diff --git a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/EndpointServiceClient.java b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/EndpointServiceClient.java
index eabdac3e9afd..cad647897055 100644
--- a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/EndpointServiceClient.java
+++ b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/EndpointServiceClient.java
@@ -240,7 +240,7 @@
  *    </tr>
  *    <tr>
  *      <td><p> MutateDeployedModel</td>
- *      <td><p> Updates an existing deployed model. Updatable fields include `min_replica_count`, `max_replica_count`, `autoscaling_metric_specs`, `disable_container_logging` (v1 only), and `enable_container_logging` (v1beta1 only).</td>
+ *      <td><p> Updates an existing deployed model. Updatable fields include `min_replica_count`, `max_replica_count`, `required_replica_count`, `autoscaling_metric_specs`, `disable_container_logging` (v1 only), and `enable_container_logging` (v1beta1 only).</td>
  *      <td>
  *      <p>Request object method variants only take one parameter, a request object, which must be constructed before the call.</p>
  *      <ul>
@@ -1773,8 +1773,8 @@ public final UnaryCallable<UndeployModelRequest, Operation> undeployModelCallabl
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
    * Updates an existing deployed model. Updatable fields include `min_replica_count`,
-   * `max_replica_count`, `autoscaling_metric_specs`, `disable_container_logging` (v1 only), and
-   * `enable_container_logging` (v1beta1 only).
+   * `max_replica_count`, `required_replica_count`, `autoscaling_metric_specs`,
+   * `disable_container_logging` (v1 only), and `enable_container_logging` (v1beta1 only).
    *
    * <p>Sample code:
    *
@@ -1805,6 +1805,8 @@ public final UnaryCallable<UndeployModelRequest, Operation> undeployModelCallabl
    *       <li>`max_replica_count` in either
    *           [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
    *           [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+   *       <li>`required_replica_count` in
+   *           [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
    *       <li>[autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
    *       <li>`disable_container_logging` (v1 only)
    *       <li>`enable_container_logging` (v1beta1 only)
@@ -1829,8 +1831,8 @@ public final UnaryCallable<UndeployModelRequest, Operation> undeployModelCallabl
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
    * Updates an existing deployed model. Updatable fields include `min_replica_count`,
-   * `max_replica_count`, `autoscaling_metric_specs`, `disable_container_logging` (v1 only), and
-   * `enable_container_logging` (v1beta1 only).
+   * `max_replica_count`, `required_replica_count`, `autoscaling_metric_specs`,
+   * `disable_container_logging` (v1 only), and `enable_container_logging` (v1beta1 only).
    *
    * <p>Sample code:
    *
@@ -1862,6 +1864,8 @@ public final UnaryCallable<UndeployModelRequest, Operation> undeployModelCallabl
    *       <li>`max_replica_count` in either
    *           [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
    *           [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+   *       <li>`required_replica_count` in
+   *           [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
    *       <li>[autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
    *       <li>`disable_container_logging` (v1 only)
    *       <li>`enable_container_logging` (v1beta1 only)
@@ -1885,8 +1889,8 @@ public final UnaryCallable<UndeployModelRequest, Operation> undeployModelCallabl
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
    * Updates an existing deployed model. Updatable fields include `min_replica_count`,
-   * `max_replica_count`, `autoscaling_metric_specs`, `disable_container_logging` (v1 only), and
-   * `enable_container_logging` (v1beta1 only).
+   * `max_replica_count`, `required_replica_count`, `autoscaling_metric_specs`,
+   * `disable_container_logging` (v1 only), and `enable_container_logging` (v1beta1 only).
    *
    * <p>Sample code:
    *
@@ -1922,8 +1926,8 @@ public final UnaryCallable<UndeployModelRequest, Operation> undeployModelCallabl
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
    * Updates an existing deployed model. Updatable fields include `min_replica_count`,
-   * `max_replica_count`, `autoscaling_metric_specs`, `disable_container_logging` (v1 only), and
-   * `enable_container_logging` (v1beta1 only).
+   * `max_replica_count`, `required_replica_count`, `autoscaling_metric_specs`,
+   * `disable_container_logging` (v1 only), and `enable_container_logging` (v1beta1 only).
    *
    * <p>Sample code:
    *
@@ -1961,8 +1965,8 @@ public final UnaryCallable<UndeployModelRequest, Operation> undeployModelCallabl
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
    * Updates an existing deployed model. Updatable fields include `min_replica_count`,
-   * `max_replica_count`, `autoscaling_metric_specs`, `disable_container_logging` (v1 only), and
-   * `enable_container_logging` (v1beta1 only).
+   * `max_replica_count`, `required_replica_count`, `autoscaling_metric_specs`,
+   * `disable_container_logging` (v1 only), and `enable_container_logging` (v1beta1 only).
    *
    * <p>Sample code:
    *
diff --git a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/PredictionServiceClient.java b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/PredictionServiceClient.java
index 8082fa2cf565..9dae2ab091d8 100644
--- a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/PredictionServiceClient.java
+++ b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/PredictionServiceClient.java
@@ -260,6 +260,25 @@
  *       </td>
  *    </tr>
  *    <tr>
+ *      <td><p> EmbedContent</td>
+ *      <td><p> Embed content with multimodal inputs.</td>
+ *      <td>
+ *      <p>Request object method variants only take one parameter, a request object, which must be constructed before the call.</p>
+ *      <ul>
+ *           <li><p> embedContent(EmbedContentRequest request)
+ *      </ul>
+ *      <p>"Flattened" method variants have converted the fields of the request object into function parameters to enable multiple ways to call the same method.</p>
+ *      <ul>
+ *           <li><p> embedContent(EndpointName model, Content content)
+ *           <li><p> embedContent(String model, Content content)
+ *      </ul>
+ *      <p>Callable method variants take no parameters and return an immutable API callable object, which can be used to initiate calls to the service.</p>
+ *      <ul>
+ *           <li><p> embedContentCallable()
+ *      </ul>
+ *       </td>
+ *    </tr>
+ *    <tr>
  *      <td><p> ListLocations</td>
  *      <td><p> Lists information about the supported locations for this service.</td>
  *      <td>
@@ -559,6 +578,7 @@ public final PredictResponse predict(String endpoint, List<Value> instances, Val
    *                   .toString())
    *           .addAllInstances(new ArrayList<Value>())
    *           .setParameters(Value.newBuilder().setBoolValue(true).build())
+   *           .putAllLabels(new HashMap<String, String>())
    *           .build();
    *   PredictResponse response = predictionServiceClient.predict(request);
    * }
@@ -592,6 +612,7 @@ public final PredictResponse predict(PredictRequest request) {
    *                   .toString())
    *           .addAllInstances(new ArrayList<Value>())
    *           .setParameters(Value.newBuilder().setBoolValue(true).build())
+   *           .putAllLabels(new HashMap<String, String>())
    *           .build();
    *   ApiFuture<PredictResponse> future =
    *       predictionServiceClient.predictCallable().futureCall(request);
@@ -1419,6 +1440,7 @@ public final GenerateContentResponse generateContent(String model, List<Content>
    *           .setToolConfig(ToolConfig.newBuilder().build())
    *           .putAllLabels(new HashMap<String, String>())
    *           .addAllSafetySettings(new ArrayList<SafetySetting>())
+   *           .setModelArmorConfig(ModelArmorConfig.newBuilder().build())
    *           .setGenerationConfig(GenerationConfig.newBuilder().build())
    *           .build();
    *   GenerateContentResponse response = predictionServiceClient.generateContent(request);
@@ -1456,6 +1478,7 @@ public final GenerateContentResponse generateContent(GenerateContentRequest requ
    *           .setToolConfig(ToolConfig.newBuilder().build())
    *           .putAllLabels(new HashMap<String, String>())
    *           .addAllSafetySettings(new ArrayList<SafetySetting>())
+   *           .setModelArmorConfig(ModelArmorConfig.newBuilder().build())
    *           .setGenerationConfig(GenerationConfig.newBuilder().build())
    *           .build();
    *   ApiFuture<GenerateContentResponse> future =
@@ -1494,6 +1517,7 @@ public final GenerateContentResponse generateContent(GenerateContentRequest requ
    *           .setToolConfig(ToolConfig.newBuilder().build())
    *           .putAllLabels(new HashMap<String, String>())
    *           .addAllSafetySettings(new ArrayList<SafetySetting>())
+   *           .setModelArmorConfig(ModelArmorConfig.newBuilder().build())
    *           .setGenerationConfig(GenerationConfig.newBuilder().build())
    *           .build();
    *   ServerStream<GenerateContentResponse> stream =
@@ -1509,6 +1533,143 @@ public final GenerateContentResponse generateContent(GenerateContentRequest requ
     return stub.streamGenerateContentCallable();
   }
 
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Embed content with multimodal inputs.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (PredictionServiceClient predictionServiceClient = PredictionServiceClient.create()) {
+   *   EndpointName model =
+   *       EndpointName.ofProjectLocationPublisherModelName(
+   *           "[PROJECT]", "[LOCATION]", "[PUBLISHER]", "[MODEL]");
+   *   Content content = Content.newBuilder().build();
+   *   EmbedContentResponse response = predictionServiceClient.embedContent(model, content);
+   * }
+   * }</pre>
+   *
+   * @param model Required. The name of the publisher model requested to serve the prediction.
+   *     Format: `projects/{project}/locations/{location}/publishers/&#42;/models/&#42;`
+   * @param content Required. Input content to be embedded. Required.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final EmbedContentResponse embedContent(EndpointName model, Content content) {
+    EmbedContentRequest request =
+        EmbedContentRequest.newBuilder()
+            .setModel(model == null ? null : model.toString())
+            .setContent(content)
+            .build();
+    return embedContent(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Embed content with multimodal inputs.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (PredictionServiceClient predictionServiceClient = PredictionServiceClient.create()) {
+   *   String model =
+   *       EndpointName.ofProjectLocationEndpointName("[PROJECT]", "[LOCATION]", "[ENDPOINT]")
+   *           .toString();
+   *   Content content = Content.newBuilder().build();
+   *   EmbedContentResponse response = predictionServiceClient.embedContent(model, content);
+   * }
+   * }</pre>
+   *
+   * @param model Required. The name of the publisher model requested to serve the prediction.
+   *     Format: `projects/{project}/locations/{location}/publishers/&#42;/models/&#42;`
+   * @param content Required. Input content to be embedded. Required.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final EmbedContentResponse embedContent(String model, Content content) {
+    EmbedContentRequest request =
+        EmbedContentRequest.newBuilder().setModel(model).setContent(content).build();
+    return embedContent(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Embed content with multimodal inputs.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (PredictionServiceClient predictionServiceClient = PredictionServiceClient.create()) {
+   *   EmbedContentRequest request =
+   *       EmbedContentRequest.newBuilder()
+   *           .setModel(
+   *               EndpointName.ofProjectLocationPublisherModelName(
+   *                       "[PROJECT]", "[LOCATION]", "[PUBLISHER]", "[MODEL]")
+   *                   .toString())
+   *           .setContent(Content.newBuilder().build())
+   *           .setTitle("title110371416")
+   *           .setOutputDimensionality(-495931909)
+   *           .setAutoTruncate(true)
+   *           .build();
+   *   EmbedContentResponse response = predictionServiceClient.embedContent(request);
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final EmbedContentResponse embedContent(EmbedContentRequest request) {
+    return embedContentCallable().call(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Embed content with multimodal inputs.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
+   * try (PredictionServiceClient predictionServiceClient = PredictionServiceClient.create()) {
+   *   EmbedContentRequest request =
+   *       EmbedContentRequest.newBuilder()
+   *           .setModel(
+   *               EndpointName.ofProjectLocationPublisherModelName(
+   *                       "[PROJECT]", "[LOCATION]", "[PUBLISHER]", "[MODEL]")
+   *                   .toString())
+   *           .setContent(Content.newBuilder().build())
+   *           .setTitle("title110371416")
+   *           .setOutputDimensionality(-495931909)
+   *           .setAutoTruncate(true)
+   *           .build();
+   *   ApiFuture<EmbedContentResponse> future =
+   *       predictionServiceClient.embedContentCallable().futureCall(request);
+   *   // Do something.
+   *   EmbedContentResponse response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<EmbedContentRequest, EmbedContentResponse> embedContentCallable() {
+    return stub.embedContentCallable();
+  }
+
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
    * Lists information about the supported locations for this service.
diff --git a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/PredictionServiceSettings.java b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/PredictionServiceSettings.java
index 978cc44ce932..640ebaef24a9 100644
--- a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/PredictionServiceSettings.java
+++ b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/PredictionServiceSettings.java
@@ -173,6 +173,11 @@ public UnaryCallSettings<ExplainRequest, ExplainResponse> explainSettings() {
     return ((PredictionServiceStubSettings) getStubSettings()).streamGenerateContentSettings();
   }
 
+  /** Returns the object with the settings used for calls to embedContent. */
+  public UnaryCallSettings<EmbedContentRequest, EmbedContentResponse> embedContentSettings() {
+    return ((PredictionServiceStubSettings) getStubSettings()).embedContentSettings();
+  }
+
   /** Returns the object with the settings used for calls to listLocations. */
   public PagedCallSettings<ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
       listLocationsSettings() {
@@ -388,6 +393,12 @@ public UnaryCallSettings.Builder<ExplainRequest, ExplainResponse> explainSetting
       return getStubSettingsBuilder().streamGenerateContentSettings();
     }
 
+    /** Returns the builder for the settings used for calls to embedContent. */
+    public UnaryCallSettings.Builder<EmbedContentRequest, EmbedContentResponse>
+        embedContentSettings() {
+      return getStubSettingsBuilder().embedContentSettings();
+    }
+
     /** Returns the builder for the settings used for calls to listLocations. */
     public PagedCallSettings.Builder<
             ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
diff --git a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/gapic_metadata.json b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/gapic_metadata.json
index 3a83ddbcef29..c0b048e837bd 100644
--- a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/gapic_metadata.json
+++ b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/gapic_metadata.json
@@ -97,6 +97,9 @@
             "DirectRawPredict": {
               "methods": ["directRawPredict", "directRawPredictCallable"]
             },
+            "EmbedContent": {
+              "methods": ["embedContent", "embedContent", "embedContent", "embedContentCallable"]
+            },
             "Explain": {
               "methods": ["explain", "explain", "explain", "explainCallable"]
             },
diff --git a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/GrpcEndpointServiceStub.java b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/GrpcEndpointServiceStub.java
index 6029cffb049b..4eb231bd5130 100644
--- a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/GrpcEndpointServiceStub.java
+++ b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/GrpcEndpointServiceStub.java
@@ -81,6 +81,7 @@ public class GrpcEndpointServiceStub extends EndpointServiceStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(CreateEndpointRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<GetEndpointRequest, Endpoint> getEndpointMethodDescriptor =
@@ -89,6 +90,7 @@ public class GrpcEndpointServiceStub extends EndpointServiceStub {
           .setFullMethodName("google.cloud.aiplatform.v1.EndpointService/GetEndpoint")
           .setRequestMarshaller(ProtoUtils.marshaller(GetEndpointRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Endpoint.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<ListEndpointsRequest, ListEndpointsResponse>
@@ -100,6 +102,7 @@ public class GrpcEndpointServiceStub extends EndpointServiceStub {
                   ProtoUtils.marshaller(ListEndpointsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListEndpointsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<UpdateEndpointRequest, Endpoint>
@@ -110,6 +113,7 @@ public class GrpcEndpointServiceStub extends EndpointServiceStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(UpdateEndpointRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Endpoint.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<UpdateEndpointLongRunningRequest, Operation>
@@ -121,6 +125,7 @@ public class GrpcEndpointServiceStub extends EndpointServiceStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(UpdateEndpointLongRunningRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<DeleteEndpointRequest, Operation>
@@ -131,6 +136,7 @@ public class GrpcEndpointServiceStub extends EndpointServiceStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(DeleteEndpointRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<DeployModelRequest, Operation> deployModelMethodDescriptor =
@@ -139,6 +145,7 @@ public class GrpcEndpointServiceStub extends EndpointServiceStub {
           .setFullMethodName("google.cloud.aiplatform.v1.EndpointService/DeployModel")
           .setRequestMarshaller(ProtoUtils.marshaller(DeployModelRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<UndeployModelRequest, Operation>
@@ -149,6 +156,7 @@ public class GrpcEndpointServiceStub extends EndpointServiceStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(UndeployModelRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<MutateDeployedModelRequest, Operation>
@@ -159,6 +167,7 @@ public class GrpcEndpointServiceStub extends EndpointServiceStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(MutateDeployedModelRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<ListLocationsRequest, ListLocationsResponse>
@@ -170,6 +179,7 @@ public class GrpcEndpointServiceStub extends EndpointServiceStub {
                   ProtoUtils.marshaller(ListLocationsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListLocationsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<GetLocationRequest, Location> getLocationMethodDescriptor =
@@ -178,6 +188,7 @@ public class GrpcEndpointServiceStub extends EndpointServiceStub {
           .setFullMethodName("google.cloud.location.Locations/GetLocation")
           .setRequestMarshaller(ProtoUtils.marshaller(GetLocationRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Location.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<SetIamPolicyRequest, Policy> setIamPolicyMethodDescriptor =
@@ -186,6 +197,7 @@ public class GrpcEndpointServiceStub extends EndpointServiceStub {
           .setFullMethodName("google.iam.v1.IAMPolicy/SetIamPolicy")
           .setRequestMarshaller(ProtoUtils.marshaller(SetIamPolicyRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Policy.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<GetIamPolicyRequest, Policy> getIamPolicyMethodDescriptor =
@@ -194,6 +206,7 @@ public class GrpcEndpointServiceStub extends EndpointServiceStub {
           .setFullMethodName("google.iam.v1.IAMPolicy/GetIamPolicy")
           .setRequestMarshaller(ProtoUtils.marshaller(GetIamPolicyRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Policy.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<TestIamPermissionsRequest, TestIamPermissionsResponse>
@@ -205,6 +218,7 @@ public class GrpcEndpointServiceStub extends EndpointServiceStub {
                   ProtoUtils.marshaller(TestIamPermissionsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(TestIamPermissionsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private final UnaryCallable<CreateEndpointRequest, Operation> createEndpointCallable;
diff --git a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/GrpcLlmUtilityServiceStub.java b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/GrpcLlmUtilityServiceStub.java
index aba2c36859f2..83eb96ba022d 100644
--- a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/GrpcLlmUtilityServiceStub.java
+++ b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/GrpcLlmUtilityServiceStub.java
@@ -61,6 +61,7 @@ public class GrpcLlmUtilityServiceStub extends LlmUtilityServiceStub {
               .setRequestMarshaller(ProtoUtils.marshaller(CountTokensRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(CountTokensResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<ComputeTokensRequest, ComputeTokensResponse>
@@ -72,6 +73,7 @@ public class GrpcLlmUtilityServiceStub extends LlmUtilityServiceStub {
                   ProtoUtils.marshaller(ComputeTokensRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ComputeTokensResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<ListLocationsRequest, ListLocationsResponse>
@@ -83,6 +85,7 @@ public class GrpcLlmUtilityServiceStub extends LlmUtilityServiceStub {
                   ProtoUtils.marshaller(ListLocationsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListLocationsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<GetLocationRequest, Location> getLocationMethodDescriptor =
@@ -91,6 +94,7 @@ public class GrpcLlmUtilityServiceStub extends LlmUtilityServiceStub {
           .setFullMethodName("google.cloud.location.Locations/GetLocation")
           .setRequestMarshaller(ProtoUtils.marshaller(GetLocationRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Location.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<SetIamPolicyRequest, Policy> setIamPolicyMethodDescriptor =
@@ -99,6 +103,7 @@ public class GrpcLlmUtilityServiceStub extends LlmUtilityServiceStub {
           .setFullMethodName("google.iam.v1.IAMPolicy/SetIamPolicy")
           .setRequestMarshaller(ProtoUtils.marshaller(SetIamPolicyRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Policy.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<GetIamPolicyRequest, Policy> getIamPolicyMethodDescriptor =
@@ -107,6 +112,7 @@ public class GrpcLlmUtilityServiceStub extends LlmUtilityServiceStub {
           .setFullMethodName("google.iam.v1.IAMPolicy/GetIamPolicy")
           .setRequestMarshaller(ProtoUtils.marshaller(GetIamPolicyRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Policy.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<TestIamPermissionsRequest, TestIamPermissionsResponse>
@@ -118,6 +124,7 @@ public class GrpcLlmUtilityServiceStub extends LlmUtilityServiceStub {
                   ProtoUtils.marshaller(TestIamPermissionsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(TestIamPermissionsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private final UnaryCallable<CountTokensRequest, CountTokensResponse> countTokensCallable;
diff --git a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/GrpcPredictionServiceStub.java b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/GrpcPredictionServiceStub.java
index facf5d1aa90e..bb8c6bc32231 100644
--- a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/GrpcPredictionServiceStub.java
+++ b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/GrpcPredictionServiceStub.java
@@ -36,6 +36,8 @@
 import com.google.cloud.vertexai.api.DirectPredictResponse;
 import com.google.cloud.vertexai.api.DirectRawPredictRequest;
 import com.google.cloud.vertexai.api.DirectRawPredictResponse;
+import com.google.cloud.vertexai.api.EmbedContentRequest;
+import com.google.cloud.vertexai.api.EmbedContentResponse;
 import com.google.cloud.vertexai.api.ExplainRequest;
 import com.google.cloud.vertexai.api.ExplainResponse;
 import com.google.cloud.vertexai.api.GenerateContentRequest;
@@ -78,6 +80,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
           .setFullMethodName("google.cloud.aiplatform.v1.PredictionService/Predict")
           .setRequestMarshaller(ProtoUtils.marshaller(PredictRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(PredictResponse.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<RawPredictRequest, HttpBody> rawPredictMethodDescriptor =
@@ -86,6 +89,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
           .setFullMethodName("google.cloud.aiplatform.v1.PredictionService/RawPredict")
           .setRequestMarshaller(ProtoUtils.marshaller(RawPredictRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(HttpBody.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<StreamRawPredictRequest, HttpBody>
@@ -96,6 +100,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(StreamRawPredictRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(HttpBody.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<DirectPredictRequest, DirectPredictResponse>
@@ -107,6 +112,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
                   ProtoUtils.marshaller(DirectPredictRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(DirectPredictResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<DirectRawPredictRequest, DirectRawPredictResponse>
@@ -118,6 +124,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
                   ProtoUtils.marshaller(DirectRawPredictRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(DirectRawPredictResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<StreamDirectPredictRequest, StreamDirectPredictResponse>
@@ -129,6 +136,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
                   ProtoUtils.marshaller(StreamDirectPredictRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(StreamDirectPredictResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<
@@ -143,6 +151,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
                   ProtoUtils.marshaller(StreamDirectRawPredictRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(StreamDirectRawPredictResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<StreamingPredictRequest, StreamingPredictResponse>
@@ -154,6 +163,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
                   ProtoUtils.marshaller(StreamingPredictRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(StreamingPredictResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<StreamingPredictRequest, StreamingPredictResponse>
@@ -166,6 +176,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
                   ProtoUtils.marshaller(StreamingPredictRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(StreamingPredictResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<StreamingRawPredictRequest, StreamingRawPredictResponse>
@@ -177,6 +188,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
                   ProtoUtils.marshaller(StreamingRawPredictRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(StreamingRawPredictResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<ExplainRequest, ExplainResponse> explainMethodDescriptor =
@@ -185,6 +197,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
           .setFullMethodName("google.cloud.aiplatform.v1.PredictionService/Explain")
           .setRequestMarshaller(ProtoUtils.marshaller(ExplainRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(ExplainResponse.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<GenerateContentRequest, GenerateContentResponse>
@@ -196,6 +209,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
                   ProtoUtils.marshaller(GenerateContentRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(GenerateContentResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<GenerateContentRequest, GenerateContentResponse>
@@ -208,6 +222,18 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
                   ProtoUtils.marshaller(GenerateContentRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(GenerateContentResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
+              .build();
+
+  private static final MethodDescriptor<EmbedContentRequest, EmbedContentResponse>
+      embedContentMethodDescriptor =
+          MethodDescriptor.<EmbedContentRequest, EmbedContentResponse>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName("google.cloud.aiplatform.v1.PredictionService/EmbedContent")
+              .setRequestMarshaller(ProtoUtils.marshaller(EmbedContentRequest.getDefaultInstance()))
+              .setResponseMarshaller(
+                  ProtoUtils.marshaller(EmbedContentResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<ListLocationsRequest, ListLocationsResponse>
@@ -219,6 +245,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
                   ProtoUtils.marshaller(ListLocationsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListLocationsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<GetLocationRequest, Location> getLocationMethodDescriptor =
@@ -227,6 +254,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
           .setFullMethodName("google.cloud.location.Locations/GetLocation")
           .setRequestMarshaller(ProtoUtils.marshaller(GetLocationRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Location.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<SetIamPolicyRequest, Policy> setIamPolicyMethodDescriptor =
@@ -235,6 +263,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
           .setFullMethodName("google.iam.v1.IAMPolicy/SetIamPolicy")
           .setRequestMarshaller(ProtoUtils.marshaller(SetIamPolicyRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Policy.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<GetIamPolicyRequest, Policy> getIamPolicyMethodDescriptor =
@@ -243,6 +272,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
           .setFullMethodName("google.iam.v1.IAMPolicy/GetIamPolicy")
           .setRequestMarshaller(ProtoUtils.marshaller(GetIamPolicyRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Policy.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<TestIamPermissionsRequest, TestIamPermissionsResponse>
@@ -254,6 +284,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
                   ProtoUtils.marshaller(TestIamPermissionsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(TestIamPermissionsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private final UnaryCallable<PredictRequest, PredictResponse> predictCallable;
@@ -277,6 +308,7 @@ public class GrpcPredictionServiceStub extends PredictionServiceStub {
       generateContentCallable;
   private final ServerStreamingCallable<GenerateContentRequest, GenerateContentResponse>
       streamGenerateContentCallable;
+  private final UnaryCallable<EmbedContentRequest, EmbedContentResponse> embedContentCallable;
   private final UnaryCallable<ListLocationsRequest, ListLocationsResponse> listLocationsCallable;
   private final UnaryCallable<ListLocationsRequest, ListLocationsPagedResponse>
       listLocationsPagedCallable;
@@ -445,6 +477,16 @@ protected GrpcPredictionServiceStub(
                       return builder.build();
                     })
                 .build();
+    GrpcCallSettings<EmbedContentRequest, EmbedContentResponse> embedContentTransportSettings =
+        GrpcCallSettings.<EmbedContentRequest, EmbedContentResponse>newBuilder()
+            .setMethodDescriptor(embedContentMethodDescriptor)
+            .setParamsExtractor(
+                request -> {
+                  RequestParamsBuilder builder = RequestParamsBuilder.create();
+                  builder.add("model", String.valueOf(request.getModel()));
+                  return builder.build();
+                })
+            .build();
     GrpcCallSettings<ListLocationsRequest, ListLocationsResponse> listLocationsTransportSettings =
         GrpcCallSettings.<ListLocationsRequest, ListLocationsResponse>newBuilder()
             .setMethodDescriptor(listLocationsMethodDescriptor)
@@ -546,6 +588,9 @@ protected GrpcPredictionServiceStub(
             streamGenerateContentTransportSettings,
             settings.streamGenerateContentSettings(),
             clientContext);
+    this.embedContentCallable =
+        callableFactory.createUnaryCallable(
+            embedContentTransportSettings, settings.embedContentSettings(), clientContext);
     this.listLocationsCallable =
         callableFactory.createUnaryCallable(
             listLocationsTransportSettings, settings.listLocationsSettings(), clientContext);
@@ -647,6 +692,11 @@ public UnaryCallable<GenerateContentRequest, GenerateContentResponse> generateCo
     return streamGenerateContentCallable;
   }
 
+  @Override
+  public UnaryCallable<EmbedContentRequest, EmbedContentResponse> embedContentCallable() {
+    return embedContentCallable;
+  }
+
   @Override
   public UnaryCallable<ListLocationsRequest, ListLocationsResponse> listLocationsCallable() {
     return listLocationsCallable;
diff --git a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/HttpJsonEndpointServiceStub.java b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/HttpJsonEndpointServiceStub.java
index 31cafaedf05d..89e93a2cc619 100644
--- a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/HttpJsonEndpointServiceStub.java
+++ b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/HttpJsonEndpointServiceStub.java
@@ -955,6 +955,11 @@ protected HttpJsonEndpointServiceStub(
                                 .setPost(
                                     "/ui/{name=projects/*/locations/*/schedules/*/operations/*}:cancel")
                                 .build())
+                        .addAdditionalBindings(
+                            HttpRule.newBuilder()
+                                .setPost(
+                                    "/ui/{name=projects/*/locations/*/ragEngineConfig/operations/*}:cancel")
+                                .build())
                         .addAdditionalBindings(
                             HttpRule.newBuilder()
                                 .setPost(
@@ -1124,6 +1129,11 @@ protected HttpJsonEndpointServiceStub(
                                 .setPost(
                                     "/v1/{name=projects/*/locations/*/persistentResources/*/operations/*}:cancel")
                                 .build())
+                        .addAdditionalBindings(
+                            HttpRule.newBuilder()
+                                .setPost(
+                                    "/v1/{name=projects/*/locations/*/ragEngineConfig/operations/*}:cancel")
+                                .build())
                         .addAdditionalBindings(
                             HttpRule.newBuilder()
                                 .setPost(
@@ -1388,6 +1398,11 @@ protected HttpJsonEndpointServiceStub(
                                 .setDelete(
                                     "/ui/{name=projects/*/locations/*/specialistPools/*/operations/*}")
                                 .build())
+                        .addAdditionalBindings(
+                            HttpRule.newBuilder()
+                                .setDelete(
+                                    "/ui/{name=projects/*/locations/*/ragEngineConfig/operations/*}")
+                                .build())
                         .addAdditionalBindings(
                             HttpRule.newBuilder()
                                 .setDelete(
@@ -1567,6 +1582,11 @@ protected HttpJsonEndpointServiceStub(
                                 .setDelete(
                                     "/v1/{name=projects/*/locations/*/notebookRuntimeTemplates/*/operations/*}")
                                 .build())
+                        .addAdditionalBindings(
+                            HttpRule.newBuilder()
+                                .setDelete(
+                                    "/v1/{name=projects/*/locations/*/ragEngineConfig/operations/*}")
+                                .build())
                         .addAdditionalBindings(
                             HttpRule.newBuilder()
                                 .setDelete(
@@ -1851,6 +1871,11 @@ protected HttpJsonEndpointServiceStub(
                                 .setGet(
                                     "/ui/{name=projects/*/locations/*/pipelineJobs/*/operations/*}")
                                 .build())
+                        .addAdditionalBindings(
+                            HttpRule.newBuilder()
+                                .setGet(
+                                    "/ui/{name=projects/*/locations/*/ragEngineConfig/operations/*}")
+                                .build())
                         .addAdditionalBindings(
                             HttpRule.newBuilder()
                                 .setGet(
@@ -2042,6 +2067,11 @@ protected HttpJsonEndpointServiceStub(
                                 .setGet(
                                     "/v1/{name=projects/*/locations/*/notebookRuntimeTemplates/*/operations/*}")
                                 .build())
+                        .addAdditionalBindings(
+                            HttpRule.newBuilder()
+                                .setGet(
+                                    "/v1/{name=projects/*/locations/*/ragEngineConfig/operations/*}")
+                                .build())
                         .addAdditionalBindings(
                             HttpRule.newBuilder()
                                 .setGet(
@@ -2316,6 +2346,11 @@ protected HttpJsonEndpointServiceStub(
                                 .setGet(
                                     "/ui/{name=projects/*/locations/*/pipelineJobs/*}/operations")
                                 .build())
+                        .addAdditionalBindings(
+                            HttpRule.newBuilder()
+                                .setGet(
+                                    "/ui/{name=projects/*/locations/*/ragEngineConfig}/operations")
+                                .build())
                         .addAdditionalBindings(
                             HttpRule.newBuilder()
                                 .setGet("/ui/{name=projects/*/locations/*/schedules/*}/operations")
@@ -2532,6 +2567,11 @@ protected HttpJsonEndpointServiceStub(
                                 .setGet(
                                     "/v1/{name=projects/*/locations/*/pipelineJobs/*}/operations")
                                 .build())
+                        .addAdditionalBindings(
+                            HttpRule.newBuilder()
+                                .setGet(
+                                    "/v1/{name=projects/*/locations/*/ragEngineConfig}/operations")
+                                .build())
                         .addAdditionalBindings(
                             HttpRule.newBuilder()
                                 .setGet("/v1/{name=projects/*/locations/*/ragCorpora/*}/operations")
@@ -2795,6 +2835,11 @@ protected HttpJsonEndpointServiceStub(
                                 .setPost(
                                     "/ui/{name=projects/*/locations/*/specialistPools/*/operations/*}:wait")
                                 .build())
+                        .addAdditionalBindings(
+                            HttpRule.newBuilder()
+                                .setPost(
+                                    "/ui/{name=projects/*/locations/*/ragEngineConfig/operations/*}:wait")
+                                .build())
                         .addAdditionalBindings(
                             HttpRule.newBuilder()
                                 .setPost(
@@ -2974,6 +3019,11 @@ protected HttpJsonEndpointServiceStub(
                                 .setPost(
                                     "/v1/{name=projects/*/locations/*/notebookRuntimeTemplates/*/operations/*}:wait")
                                 .build())
+                        .addAdditionalBindings(
+                            HttpRule.newBuilder()
+                                .setPost(
+                                    "/v1/{name=projects/*/locations/*/ragEngineConfig/operations/*}:wait")
+                                .build())
                         .addAdditionalBindings(
                             HttpRule.newBuilder()
                                 .setPost(
diff --git a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/HttpJsonPredictionServiceStub.java b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/HttpJsonPredictionServiceStub.java
index a834a35b9629..ad3eb27e88f1 100644
--- a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/HttpJsonPredictionServiceStub.java
+++ b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/HttpJsonPredictionServiceStub.java
@@ -41,6 +41,8 @@
 import com.google.cloud.vertexai.api.DirectPredictResponse;
 import com.google.cloud.vertexai.api.DirectRawPredictRequest;
 import com.google.cloud.vertexai.api.DirectRawPredictResponse;
+import com.google.cloud.vertexai.api.EmbedContentRequest;
+import com.google.cloud.vertexai.api.EmbedContentResponse;
 import com.google.cloud.vertexai.api.ExplainRequest;
 import com.google.cloud.vertexai.api.ExplainResponse;
 import com.google.cloud.vertexai.api.GenerateContentRequest;
@@ -431,6 +433,45 @@ public class HttpJsonPredictionServiceStub extends PredictionServiceStub {
                       .build())
               .build();
 
+  private static final ApiMethodDescriptor<EmbedContentRequest, EmbedContentResponse>
+      embedContentMethodDescriptor =
+          ApiMethodDescriptor.<EmbedContentRequest, EmbedContentResponse>newBuilder()
+              .setFullMethodName("google.cloud.aiplatform.v1.PredictionService/EmbedContent")
+              .setHttpMethod("POST")
+              .setType(ApiMethodDescriptor.MethodType.UNARY)
+              .setRequestFormatter(
+                  ProtoMessageRequestFormatter.<EmbedContentRequest>newBuilder()
+                      .setPath(
+                          "/v1/{model=projects/*/locations/*/publishers/*/models/*}:embedContent",
+                          request -> {
+                            Map<String, String> fields = new HashMap<>();
+                            ProtoRestSerializer<EmbedContentRequest> serializer =
+                                ProtoRestSerializer.create();
+                            if (request.hasModel()) {
+                              serializer.putPathParam(fields, "model", request.getModel());
+                            }
+                            return fields;
+                          })
+                      .setQueryParamsExtractor(
+                          request -> {
+                            Map<String, List<String>> fields = new HashMap<>();
+                            ProtoRestSerializer<EmbedContentRequest> serializer =
+                                ProtoRestSerializer.create();
+                            serializer.putQueryParam(fields, "$alt", "json;enum-encoding=int");
+                            return fields;
+                          })
+                      .setRequestBodyExtractor(
+                          request ->
+                              ProtoRestSerializer.create()
+                                  .toBody("*", request.toBuilder().clearModel().build(), true))
+                      .build())
+              .setResponseParser(
+                  ProtoMessageResponseParser.<EmbedContentResponse>newBuilder()
+                      .setDefaultInstance(EmbedContentResponse.getDefaultInstance())
+                      .setDefaultTypeRegistry(typeRegistry)
+                      .build())
+              .build();
+
   private static final ApiMethodDescriptor<ListLocationsRequest, ListLocationsResponse>
       listLocationsMethodDescriptor =
           ApiMethodDescriptor.<ListLocationsRequest, ListLocationsResponse>newBuilder()
@@ -662,6 +703,7 @@ public class HttpJsonPredictionServiceStub extends PredictionServiceStub {
       generateContentCallable;
   private final ServerStreamingCallable<GenerateContentRequest, GenerateContentResponse>
       streamGenerateContentCallable;
+  private final UnaryCallable<EmbedContentRequest, EmbedContentResponse> embedContentCallable;
   private final UnaryCallable<ListLocationsRequest, ListLocationsResponse> listLocationsCallable;
   private final UnaryCallable<ListLocationsRequest, ListLocationsPagedResponse>
       listLocationsPagedCallable;
@@ -817,6 +859,17 @@ protected HttpJsonPredictionServiceStub(
                       return builder.build();
                     })
                 .build();
+    HttpJsonCallSettings<EmbedContentRequest, EmbedContentResponse> embedContentTransportSettings =
+        HttpJsonCallSettings.<EmbedContentRequest, EmbedContentResponse>newBuilder()
+            .setMethodDescriptor(embedContentMethodDescriptor)
+            .setTypeRegistry(typeRegistry)
+            .setParamsExtractor(
+                request -> {
+                  RequestParamsBuilder builder = RequestParamsBuilder.create();
+                  builder.add("model", String.valueOf(request.getModel()));
+                  return builder.build();
+                })
+            .build();
     HttpJsonCallSettings<ListLocationsRequest, ListLocationsResponse>
         listLocationsTransportSettings =
             HttpJsonCallSettings.<ListLocationsRequest, ListLocationsResponse>newBuilder()
@@ -906,6 +959,9 @@ protected HttpJsonPredictionServiceStub(
             streamGenerateContentTransportSettings,
             settings.streamGenerateContentSettings(),
             clientContext);
+    this.embedContentCallable =
+        callableFactory.createUnaryCallable(
+            embedContentTransportSettings, settings.embedContentSettings(), clientContext);
     this.listLocationsCallable =
         callableFactory.createUnaryCallable(
             listLocationsTransportSettings, settings.listLocationsSettings(), clientContext);
@@ -943,6 +999,7 @@ public static List<ApiMethodDescriptor> getMethodDescriptors() {
     methodDescriptors.add(explainMethodDescriptor);
     methodDescriptors.add(generateContentMethodDescriptor);
     methodDescriptors.add(streamGenerateContentMethodDescriptor);
+    methodDescriptors.add(embedContentMethodDescriptor);
     methodDescriptors.add(listLocationsMethodDescriptor);
     methodDescriptors.add(getLocationMethodDescriptor);
     methodDescriptors.add(setIamPolicyMethodDescriptor);
@@ -999,6 +1056,11 @@ public UnaryCallable<GenerateContentRequest, GenerateContentResponse> generateCo
     return streamGenerateContentCallable;
   }
 
+  @Override
+  public UnaryCallable<EmbedContentRequest, EmbedContentResponse> embedContentCallable() {
+    return embedContentCallable;
+  }
+
   @Override
   public UnaryCallable<ListLocationsRequest, ListLocationsResponse> listLocationsCallable() {
     return listLocationsCallable;
@@ -1035,28 +1097,32 @@ public UnaryCallable<GetIamPolicyRequest, Policy> getIamPolicyCallable() {
   public BidiStreamingCallable<StreamDirectPredictRequest, StreamDirectPredictResponse>
       streamDirectPredictCallable() {
     throw new UnsupportedOperationException(
-        "Not implemented: streamDirectPredictCallable(). REST transport is not implemented for this method yet.");
+        "Not implemented: streamDirectPredictCallable(). REST transport is not implemented for this"
+            + " method yet.");
   }
 
   @Override
   public BidiStreamingCallable<StreamDirectRawPredictRequest, StreamDirectRawPredictResponse>
       streamDirectRawPredictCallable() {
     throw new UnsupportedOperationException(
-        "Not implemented: streamDirectRawPredictCallable(). REST transport is not implemented for this method yet.");
+        "Not implemented: streamDirectRawPredictCallable(). REST transport is not implemented for"
+            + " this method yet.");
   }
 
   @Override
   public BidiStreamingCallable<StreamingPredictRequest, StreamingPredictResponse>
       streamingPredictCallable() {
     throw new UnsupportedOperationException(
-        "Not implemented: streamingPredictCallable(). REST transport is not implemented for this method yet.");
+        "Not implemented: streamingPredictCallable(). REST transport is not implemented for this"
+            + " method yet.");
   }
 
   @Override
   public BidiStreamingCallable<StreamingRawPredictRequest, StreamingRawPredictResponse>
       streamingRawPredictCallable() {
     throw new UnsupportedOperationException(
-        "Not implemented: streamingRawPredictCallable(). REST transport is not implemented for this method yet.");
+        "Not implemented: streamingRawPredictCallable(). REST transport is not implemented for this"
+            + " method yet.");
   }
 
   @Override
diff --git a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/PredictionServiceStub.java b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/PredictionServiceStub.java
index 23d5692523fb..a9f380a300ff 100644
--- a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/PredictionServiceStub.java
+++ b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/PredictionServiceStub.java
@@ -31,6 +31,8 @@
 import com.google.cloud.vertexai.api.DirectPredictResponse;
 import com.google.cloud.vertexai.api.DirectRawPredictRequest;
 import com.google.cloud.vertexai.api.DirectRawPredictResponse;
+import com.google.cloud.vertexai.api.EmbedContentRequest;
+import com.google.cloud.vertexai.api.EmbedContentResponse;
 import com.google.cloud.vertexai.api.ExplainRequest;
 import com.google.cloud.vertexai.api.ExplainResponse;
 import com.google.cloud.vertexai.api.GenerateContentRequest;
@@ -122,6 +124,10 @@ public UnaryCallable<GenerateContentRequest, GenerateContentResponse> generateCo
     throw new UnsupportedOperationException("Not implemented: streamGenerateContentCallable()");
   }
 
+  public UnaryCallable<EmbedContentRequest, EmbedContentResponse> embedContentCallable() {
+    throw new UnsupportedOperationException("Not implemented: embedContentCallable()");
+  }
+
   public UnaryCallable<ListLocationsRequest, ListLocationsPagedResponse>
       listLocationsPagedCallable() {
     throw new UnsupportedOperationException("Not implemented: listLocationsPagedCallable()");
diff --git a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/PredictionServiceStubSettings.java b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/PredictionServiceStubSettings.java
index 0012b7dc52bc..aefcadc2000e 100644
--- a/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/PredictionServiceStubSettings.java
+++ b/java-vertexai/google-cloud-vertexai/src/main/java/com/google/cloud/vertexai/api/stub/PredictionServiceStubSettings.java
@@ -55,6 +55,8 @@
 import com.google.cloud.vertexai.api.DirectPredictResponse;
 import com.google.cloud.vertexai.api.DirectRawPredictRequest;
 import com.google.cloud.vertexai.api.DirectRawPredictResponse;
+import com.google.cloud.vertexai.api.EmbedContentRequest;
+import com.google.cloud.vertexai.api.EmbedContentResponse;
 import com.google.cloud.vertexai.api.ExplainRequest;
 import com.google.cloud.vertexai.api.ExplainResponse;
 import com.google.cloud.vertexai.api.GenerateContentRequest;
@@ -167,6 +169,7 @@ public class PredictionServiceStubSettings extends StubSettings<PredictionServic
       generateContentSettings;
   private final ServerStreamingCallSettings<GenerateContentRequest, GenerateContentResponse>
       streamGenerateContentSettings;
+  private final UnaryCallSettings<EmbedContentRequest, EmbedContentResponse> embedContentSettings;
   private final PagedCallSettings<
           ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
       listLocationsSettings;
@@ -300,6 +303,11 @@ public UnaryCallSettings<ExplainRequest, ExplainResponse> explainSettings() {
     return streamGenerateContentSettings;
   }
 
+  /** Returns the object with the settings used for calls to embedContent. */
+  public UnaryCallSettings<EmbedContentRequest, EmbedContentResponse> embedContentSettings() {
+    return embedContentSettings;
+  }
+
   /** Returns the object with the settings used for calls to listLocations. */
   public PagedCallSettings<ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
       listLocationsSettings() {
@@ -451,6 +459,7 @@ protected PredictionServiceStubSettings(Builder settingsBuilder) throws IOExcept
     explainSettings = settingsBuilder.explainSettings().build();
     generateContentSettings = settingsBuilder.generateContentSettings().build();
     streamGenerateContentSettings = settingsBuilder.streamGenerateContentSettings().build();
+    embedContentSettings = settingsBuilder.embedContentSettings().build();
     listLocationsSettings = settingsBuilder.listLocationsSettings().build();
     getLocationSettings = settingsBuilder.getLocationSettings().build();
     setIamPolicySettings = settingsBuilder.setIamPolicySettings().build();
@@ -489,6 +498,8 @@ public static class Builder extends StubSettings.Builder<PredictionServiceStubSe
     private final ServerStreamingCallSettings.Builder<
             GenerateContentRequest, GenerateContentResponse>
         streamGenerateContentSettings;
+    private final UnaryCallSettings.Builder<EmbedContentRequest, EmbedContentResponse>
+        embedContentSettings;
     private final PagedCallSettings.Builder<
             ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
         listLocationsSettings;
@@ -537,6 +548,7 @@ protected Builder(ClientContext clientContext) {
       explainSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       generateContentSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       streamGenerateContentSettings = ServerStreamingCallSettings.newBuilder();
+      embedContentSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       listLocationsSettings = PagedCallSettings.newBuilder(LIST_LOCATIONS_PAGE_STR_FACT);
       getLocationSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       setIamPolicySettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
@@ -551,6 +563,7 @@ protected Builder(ClientContext clientContext) {
               directRawPredictSettings,
               explainSettings,
               generateContentSettings,
+              embedContentSettings,
               listLocationsSettings,
               getLocationSettings,
               setIamPolicySettings,
@@ -575,6 +588,7 @@ protected Builder(PredictionServiceStubSettings settings) {
       explainSettings = settings.explainSettings.toBuilder();
       generateContentSettings = settings.generateContentSettings.toBuilder();
       streamGenerateContentSettings = settings.streamGenerateContentSettings.toBuilder();
+      embedContentSettings = settings.embedContentSettings.toBuilder();
       listLocationsSettings = settings.listLocationsSettings.toBuilder();
       getLocationSettings = settings.getLocationSettings.toBuilder();
       setIamPolicySettings = settings.setIamPolicySettings.toBuilder();
@@ -589,6 +603,7 @@ protected Builder(PredictionServiceStubSettings settings) {
               directRawPredictSettings,
               explainSettings,
               generateContentSettings,
+              embedContentSettings,
               listLocationsSettings,
               getLocationSettings,
               setIamPolicySettings,
@@ -666,6 +681,11 @@ private static Builder initDefaults(Builder builder) {
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
           .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_params"));
 
+      builder
+          .embedContentSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_params"));
+
       builder
           .listLocationsSettings()
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
@@ -785,6 +805,12 @@ public UnaryCallSettings.Builder<ExplainRequest, ExplainResponse> explainSetting
       return streamGenerateContentSettings;
     }
 
+    /** Returns the builder for the settings used for calls to embedContent. */
+    public UnaryCallSettings.Builder<EmbedContentRequest, EmbedContentResponse>
+        embedContentSettings() {
+      return embedContentSettings;
+    }
+
     /** Returns the builder for the settings used for calls to listLocations. */
     public PagedCallSettings.Builder<
             ListLocationsRequest, ListLocationsResponse, ListLocationsPagedResponse>
diff --git a/java-vertexai/google-cloud-vertexai/src/main/resources/META-INF/native-image/com.google.cloud.vertexai.api/reflect-config.json b/java-vertexai/google-cloud-vertexai/src/main/resources/META-INF/native-image/com.google.cloud.vertexai.api/reflect-config.json
index 57be35854d06..7debb8eff662 100644
--- a/java-vertexai/google-cloud-vertexai/src/main/resources/META-INF/native-image/com.google.cloud.vertexai.api/reflect-config.json
+++ b/java-vertexai/google-cloud-vertexai/src/main/resources/META-INF/native-image/com.google.cloud.vertexai.api/reflect-config.json
@@ -944,6 +944,33 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.vertexai.api.CorpusStatus",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.CorpusStatus$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.CorpusStatus$State",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.vertexai.api.CountTokensRequest",
     "queryAllDeclaredConstructors": true,
@@ -1196,6 +1223,15 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.vertexai.api.DeploymentStage",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.vertexai.api.DirectPredictRequest",
     "queryAllDeclaredConstructors": true,
@@ -1304,6 +1340,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.vertexai.api.DnsPeeringConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.DnsPeeringConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.vertexai.api.DoubleArray",
     "queryAllDeclaredConstructors": true,
@@ -1349,6 +1403,69 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.cloud.vertexai.api.EmbedContentRequest",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.EmbedContentRequest$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.EmbedContentRequest$EmbeddingTaskType",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.EmbedContentResponse",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.EmbedContentResponse$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.EmbedContentResponse$Embedding",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.EmbedContentResponse$Embedding$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.cloud.vertexai.api.EncryptionSpec",
     "queryAllDeclaredConstructors": true,
@@ -1872,7 +1989,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.FunctionCall",
+    "name": "com.google.cloud.vertexai.api.FileStatus",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -1881,7 +1998,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.FunctionCall$Builder",
+    "name": "com.google.cloud.vertexai.api.FileStatus$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -1890,7 +2007,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.FunctionCallingConfig",
+    "name": "com.google.cloud.vertexai.api.FileStatus$State",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -1899,7 +2016,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.FunctionCallingConfig$Builder",
+    "name": "com.google.cloud.vertexai.api.FunctionCall",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -1908,7 +2025,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.FunctionCallingConfig$Mode",
+    "name": "com.google.cloud.vertexai.api.FunctionCall$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -1917,7 +2034,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.FunctionDeclaration",
+    "name": "com.google.cloud.vertexai.api.FunctionCallingConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -1926,7 +2043,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.FunctionDeclaration$Builder",
+    "name": "com.google.cloud.vertexai.api.FunctionCallingConfig$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -1935,7 +2052,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.FunctionResponse",
+    "name": "com.google.cloud.vertexai.api.FunctionCallingConfig$Mode",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -1944,7 +2061,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.FunctionResponse$Builder",
+    "name": "com.google.cloud.vertexai.api.FunctionDeclaration",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -1953,7 +2070,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GcsDestination",
+    "name": "com.google.cloud.vertexai.api.FunctionDeclaration$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -1962,7 +2079,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GcsDestination$Builder",
+    "name": "com.google.cloud.vertexai.api.FunctionResponse",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -1971,7 +2088,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GcsSource",
+    "name": "com.google.cloud.vertexai.api.FunctionResponse$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -1980,7 +2097,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GcsSource$Builder",
+    "name": "com.google.cloud.vertexai.api.FunctionResponseBlob",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -1989,7 +2106,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerateContentRequest",
+    "name": "com.google.cloud.vertexai.api.FunctionResponseBlob$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -1998,7 +2115,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerateContentRequest$Builder",
+    "name": "com.google.cloud.vertexai.api.FunctionResponseFileData",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2007,7 +2124,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerateContentResponse",
+    "name": "com.google.cloud.vertexai.api.FunctionResponseFileData$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2016,7 +2133,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerateContentResponse$Builder",
+    "name": "com.google.cloud.vertexai.api.FunctionResponsePart",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2025,7 +2142,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerateContentResponse$PromptFeedback",
+    "name": "com.google.cloud.vertexai.api.FunctionResponsePart$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2034,7 +2151,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerateContentResponse$PromptFeedback$BlockedReason",
+    "name": "com.google.cloud.vertexai.api.GcsDestination",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2043,7 +2160,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerateContentResponse$PromptFeedback$Builder",
+    "name": "com.google.cloud.vertexai.api.GcsDestination$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2052,7 +2169,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerateContentResponse$UsageMetadata",
+    "name": "com.google.cloud.vertexai.api.GcsSource",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2061,7 +2178,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerateContentResponse$UsageMetadata$Builder",
+    "name": "com.google.cloud.vertexai.api.GcsSource$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2070,7 +2187,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerationConfig",
+    "name": "com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2079,7 +2196,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerationConfig$Builder",
+    "name": "com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2088,7 +2205,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerationConfig$RoutingConfig",
+    "name": "com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig$RagConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2097,7 +2214,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerationConfig$RoutingConfig$AutoRoutingMode",
+    "name": "com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig$RagConfig$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2106,7 +2223,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerationConfig$RoutingConfig$AutoRoutingMode$Builder",
+    "name": "com.google.cloud.vertexai.api.GenerateContentRequest",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2115,7 +2232,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerationConfig$RoutingConfig$AutoRoutingMode$ModelRoutingPreference",
+    "name": "com.google.cloud.vertexai.api.GenerateContentRequest$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2124,7 +2241,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerationConfig$RoutingConfig$Builder",
+    "name": "com.google.cloud.vertexai.api.GenerateContentResponse",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2133,7 +2250,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerationConfig$RoutingConfig$ManualRoutingMode",
+    "name": "com.google.cloud.vertexai.api.GenerateContentResponse$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2142,7 +2259,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenerationConfig$RoutingConfig$ManualRoutingMode$Builder",
+    "name": "com.google.cloud.vertexai.api.GenerateContentResponse$PromptFeedback",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2151,7 +2268,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenericOperationMetadata",
+    "name": "com.google.cloud.vertexai.api.GenerateContentResponse$PromptFeedback$BlockedReason",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2160,7 +2277,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GenericOperationMetadata$Builder",
+    "name": "com.google.cloud.vertexai.api.GenerateContentResponse$PromptFeedback$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2169,7 +2286,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GetEndpointRequest",
+    "name": "com.google.cloud.vertexai.api.GenerateContentResponse$UsageMetadata",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2178,7 +2295,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GetEndpointRequest$Builder",
+    "name": "com.google.cloud.vertexai.api.GenerateContentResponse$UsageMetadata$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2187,7 +2304,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GoogleDriveSource",
+    "name": "com.google.cloud.vertexai.api.GenerationConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2196,7 +2313,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GoogleDriveSource$Builder",
+    "name": "com.google.cloud.vertexai.api.GenerationConfig$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2205,7 +2322,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GoogleDriveSource$ResourceId",
+    "name": "com.google.cloud.vertexai.api.GenerationConfig$RoutingConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2214,7 +2331,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GoogleDriveSource$ResourceId$Builder",
+    "name": "com.google.cloud.vertexai.api.GenerationConfig$RoutingConfig$AutoRoutingMode",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2223,7 +2340,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GoogleDriveSource$ResourceId$ResourceType",
+    "name": "com.google.cloud.vertexai.api.GenerationConfig$RoutingConfig$AutoRoutingMode$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2232,7 +2349,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GoogleSearchRetrieval",
+    "name": "com.google.cloud.vertexai.api.GenerationConfig$RoutingConfig$AutoRoutingMode$ModelRoutingPreference",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2241,7 +2358,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GoogleSearchRetrieval$Builder",
+    "name": "com.google.cloud.vertexai.api.GenerationConfig$RoutingConfig$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2250,7 +2367,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GroundingChunk",
+    "name": "com.google.cloud.vertexai.api.GenerationConfig$RoutingConfig$ManualRoutingMode",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2259,7 +2376,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GroundingChunk$Builder",
+    "name": "com.google.cloud.vertexai.api.GenerationConfig$RoutingConfig$ManualRoutingMode$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2268,7 +2385,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GroundingChunk$RetrievedContext",
+    "name": "com.google.cloud.vertexai.api.GenerationConfig$ThinkingConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2277,7 +2394,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GroundingChunk$RetrievedContext$Builder",
+    "name": "com.google.cloud.vertexai.api.GenerationConfig$ThinkingConfig$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2286,7 +2403,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GroundingChunk$Web",
+    "name": "com.google.cloud.vertexai.api.GenericOperationMetadata",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2295,7 +2412,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GroundingChunk$Web$Builder",
+    "name": "com.google.cloud.vertexai.api.GenericOperationMetadata$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2304,7 +2421,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GroundingMetadata",
+    "name": "com.google.cloud.vertexai.api.GetEndpointRequest",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2313,7 +2430,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GroundingMetadata$Builder",
+    "name": "com.google.cloud.vertexai.api.GetEndpointRequest$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2322,7 +2439,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GroundingSupport",
+    "name": "com.google.cloud.vertexai.api.GoogleDriveSource",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2331,7 +2448,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.GroundingSupport$Builder",
+    "name": "com.google.cloud.vertexai.api.GoogleDriveSource$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2340,7 +2457,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.HarmCategory",
+    "name": "com.google.cloud.vertexai.api.GoogleDriveSource$ResourceId",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2349,7 +2466,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Int64Array",
+    "name": "com.google.cloud.vertexai.api.GoogleDriveSource$ResourceId$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2358,7 +2475,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Int64Array$Builder",
+    "name": "com.google.cloud.vertexai.api.GoogleDriveSource$ResourceId$ResourceType",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2367,7 +2484,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.IntegratedGradientsAttribution",
+    "name": "com.google.cloud.vertexai.api.GoogleMaps",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2376,7 +2493,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.IntegratedGradientsAttribution$Builder",
+    "name": "com.google.cloud.vertexai.api.GoogleMaps$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2385,7 +2502,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.JiraSource",
+    "name": "com.google.cloud.vertexai.api.GoogleSearchRetrieval",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2394,7 +2511,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.JiraSource$Builder",
+    "name": "com.google.cloud.vertexai.api.GoogleSearchRetrieval$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2403,7 +2520,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.JiraSource$JiraQueries",
+    "name": "com.google.cloud.vertexai.api.GroundingChunk",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2412,7 +2529,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.JiraSource$JiraQueries$Builder",
+    "name": "com.google.cloud.vertexai.api.GroundingChunk$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2421,7 +2538,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ListEndpointsRequest",
+    "name": "com.google.cloud.vertexai.api.GroundingChunk$Maps",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2430,7 +2547,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ListEndpointsRequest$Builder",
+    "name": "com.google.cloud.vertexai.api.GroundingChunk$Maps$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2439,7 +2556,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ListEndpointsResponse",
+    "name": "com.google.cloud.vertexai.api.GroundingChunk$Maps$PlaceAnswerSources",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2448,7 +2565,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ListEndpointsResponse$Builder",
+    "name": "com.google.cloud.vertexai.api.GroundingChunk$Maps$PlaceAnswerSources$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2457,7 +2574,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.LogprobsResult",
+    "name": "com.google.cloud.vertexai.api.GroundingChunk$Maps$PlaceAnswerSources$ReviewSnippet",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2466,7 +2583,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.LogprobsResult$Builder",
+    "name": "com.google.cloud.vertexai.api.GroundingChunk$Maps$PlaceAnswerSources$ReviewSnippet$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2475,7 +2592,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.LogprobsResult$Candidate",
+    "name": "com.google.cloud.vertexai.api.GroundingChunk$RetrievedContext",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2484,7 +2601,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.LogprobsResult$Candidate$Builder",
+    "name": "com.google.cloud.vertexai.api.GroundingChunk$RetrievedContext$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2493,7 +2610,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.LogprobsResult$TopCandidates",
+    "name": "com.google.cloud.vertexai.api.GroundingChunk$Web",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2502,7 +2619,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.LogprobsResult$TopCandidates$Builder",
+    "name": "com.google.cloud.vertexai.api.GroundingChunk$Web$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2511,7 +2628,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.MachineSpec",
+    "name": "com.google.cloud.vertexai.api.GroundingMetadata",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2520,7 +2637,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.MachineSpec$Builder",
+    "name": "com.google.cloud.vertexai.api.GroundingMetadata$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2529,7 +2646,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Modality",
+    "name": "com.google.cloud.vertexai.api.GroundingMetadata$SourceFlaggingUri",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2538,7 +2655,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ModalityTokenCount",
+    "name": "com.google.cloud.vertexai.api.GroundingMetadata$SourceFlaggingUri$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2547,7 +2664,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ModalityTokenCount$Builder",
+    "name": "com.google.cloud.vertexai.api.GroundingSupport",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2556,7 +2673,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ModelExplanation",
+    "name": "com.google.cloud.vertexai.api.GroundingSupport$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2565,7 +2682,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ModelExplanation$Builder",
+    "name": "com.google.cloud.vertexai.api.HarmCategory",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2574,7 +2691,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.MutateDeployedModelOperationMetadata",
+    "name": "com.google.cloud.vertexai.api.ImageConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2583,7 +2700,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.MutateDeployedModelOperationMetadata$Builder",
+    "name": "com.google.cloud.vertexai.api.ImageConfig$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2592,7 +2709,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.MutateDeployedModelRequest",
+    "name": "com.google.cloud.vertexai.api.ImportRagFilesConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2601,7 +2718,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.MutateDeployedModelRequest$Builder",
+    "name": "com.google.cloud.vertexai.api.ImportRagFilesConfig$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2610,7 +2727,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.MutateDeployedModelResponse",
+    "name": "com.google.cloud.vertexai.api.Int64Array",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2619,7 +2736,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.MutateDeployedModelResponse$Builder",
+    "name": "com.google.cloud.vertexai.api.Int64Array$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2628,7 +2745,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Neighbor",
+    "name": "com.google.cloud.vertexai.api.IntegratedGradientsAttribution",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2637,7 +2754,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Neighbor$Builder",
+    "name": "com.google.cloud.vertexai.api.IntegratedGradientsAttribution$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2646,7 +2763,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.NfsMount",
+    "name": "com.google.cloud.vertexai.api.JiraSource",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2655,7 +2772,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.NfsMount$Builder",
+    "name": "com.google.cloud.vertexai.api.JiraSource$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2664,7 +2781,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PSCAutomationConfig",
+    "name": "com.google.cloud.vertexai.api.JiraSource$JiraQueries",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2673,7 +2790,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PSCAutomationConfig$Builder",
+    "name": "com.google.cloud.vertexai.api.JiraSource$JiraQueries$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2682,7 +2799,808 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Part",
+    "name": "com.google.cloud.vertexai.api.ListEndpointsRequest",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.ListEndpointsRequest$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.ListEndpointsResponse",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.ListEndpointsResponse$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.LogprobsResult",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.LogprobsResult$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.LogprobsResult$Candidate",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
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+    "name": "com.google.cloud.vertexai.api.RagFileParsingConfig$LlmParser",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RagFileParsingConfig$LlmParser$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RagFileTransformationConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RagFileTransformationConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RagManagedDbConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RagManagedDbConfig$Basic",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RagManagedDbConfig$Basic$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RagManagedDbConfig$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2691,7 +3609,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Part$Builder",
+    "name": "com.google.cloud.vertexai.api.RagManagedDbConfig$Scaled",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2700,7 +3618,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PersistentDiskSpec",
+    "name": "com.google.cloud.vertexai.api.RagManagedDbConfig$Scaled$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2709,7 +3627,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PersistentDiskSpec$Builder",
+    "name": "com.google.cloud.vertexai.api.RagManagedDbConfig$Unprovisioned",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2718,7 +3636,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PredictRequest",
+    "name": "com.google.cloud.vertexai.api.RagManagedDbConfig$Unprovisioned$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2727,7 +3645,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PredictRequest$Builder",
+    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2736,7 +3654,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig",
+    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2745,7 +3663,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig$Builder",
+    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Filter",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2754,7 +3672,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PredictResponse",
+    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Filter$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2763,7 +3681,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PredictResponse$Builder",
+    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Ranking",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2772,7 +3690,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Presets",
+    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Ranking$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2781,7 +3699,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Presets$Builder",
+    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Ranking$LlmRanker",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2790,7 +3708,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Presets$Modality",
+    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Ranking$LlmRanker$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2799,7 +3717,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Presets$Query",
+    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Ranking$RankService",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2808,7 +3726,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PrivateEndpoints",
+    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Ranking$RankService$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2817,7 +3735,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PrivateEndpoints$Builder",
+    "name": "com.google.cloud.vertexai.api.RagVectorDbConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2826,7 +3744,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PrivateServiceConnectConfig",
+    "name": "com.google.cloud.vertexai.api.RagVectorDbConfig$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2835,7 +3753,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PrivateServiceConnectConfig$Builder",
+    "name": "com.google.cloud.vertexai.api.RagVectorDbConfig$Pinecone",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2844,7 +3762,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PscAutomatedEndpoints",
+    "name": "com.google.cloud.vertexai.api.RagVectorDbConfig$Pinecone$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2853,7 +3771,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.PscAutomatedEndpoints$Builder",
+    "name": "com.google.cloud.vertexai.api.RagVectorDbConfig$RagManagedDb",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2862,7 +3780,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig",
+    "name": "com.google.cloud.vertexai.api.RagVectorDbConfig$RagManagedDb$ANN",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2871,7 +3789,232 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Builder",
+    "name": "com.google.cloud.vertexai.api.RagVectorDbConfig$RagManagedDb$ANN$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RagVectorDbConfig$RagManagedDb$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RagVectorDbConfig$RagManagedDb$KNN",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RagVectorDbConfig$RagManagedDb$KNN$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RagVectorDbConfig$VertexVectorSearch",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RagVectorDbConfig$VertexVectorSearch$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RawPredictRequest",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RawPredictRequest$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.ReplicatedVoiceConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.ReplicatedVoiceConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.ReservationAffinity",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.ReservationAffinity$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.ReservationAffinity$Type",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.ResourcesConsumed",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.ResourcesConsumed$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.Retrieval",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.Retrieval$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RetrievalConfig",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RetrievalConfig$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RetrievalMetadata",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.RetrievalMetadata$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.SafetyRating",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.SafetyRating$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.SafetyRating$HarmProbability",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.SafetyRating$HarmSeverity",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.cloud.vertexai.api.SafetySetting",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2880,7 +4023,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Filter",
+    "name": "com.google.cloud.vertexai.api.SafetySetting$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2889,7 +4032,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Filter$Builder",
+    "name": "com.google.cloud.vertexai.api.SafetySetting$HarmBlockMethod",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2898,7 +4041,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Ranking",
+    "name": "com.google.cloud.vertexai.api.SafetySetting$HarmBlockThreshold",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2907,7 +4050,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Ranking$Builder",
+    "name": "com.google.cloud.vertexai.api.SampledShapleyAttribution",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2916,7 +4059,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Ranking$LlmRanker",
+    "name": "com.google.cloud.vertexai.api.SampledShapleyAttribution$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2925,7 +4068,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Ranking$LlmRanker$Builder",
+    "name": "com.google.cloud.vertexai.api.Schema",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2934,7 +4077,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Ranking$RankService",
+    "name": "com.google.cloud.vertexai.api.Schema$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2943,7 +4086,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.RagRetrievalConfig$Ranking$RankService$Builder",
+    "name": "com.google.cloud.vertexai.api.SearchEntryPoint",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2952,7 +4095,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.RawPredictRequest",
+    "name": "com.google.cloud.vertexai.api.SearchEntryPoint$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2961,7 +4104,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.RawPredictRequest$Builder",
+    "name": "com.google.cloud.vertexai.api.Segment",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2970,7 +4113,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ReservationAffinity",
+    "name": "com.google.cloud.vertexai.api.Segment$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2979,7 +4122,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ReservationAffinity$Builder",
+    "name": "com.google.cloud.vertexai.api.SharePointSources",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2988,7 +4131,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ReservationAffinity$Type",
+    "name": "com.google.cloud.vertexai.api.SharePointSources$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -2997,7 +4140,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ResourcesConsumed",
+    "name": "com.google.cloud.vertexai.api.SharePointSources$SharePointSource",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3006,7 +4149,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ResourcesConsumed$Builder",
+    "name": "com.google.cloud.vertexai.api.SharePointSources$SharePointSource$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3015,7 +4158,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Retrieval",
+    "name": "com.google.cloud.vertexai.api.ShieldedVmConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3024,7 +4167,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Retrieval$Builder",
+    "name": "com.google.cloud.vertexai.api.ShieldedVmConfig$Builder",
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@@ -3033,7 +4176,7 @@
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   },
   {
-    "name": "com.google.cloud.vertexai.api.RetrievalConfig",
+    "name": "com.google.cloud.vertexai.api.SlackSource",
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@@ -3042,7 +4185,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.RetrievalConfig$Builder",
+    "name": "com.google.cloud.vertexai.api.SlackSource$Builder",
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@@ -3051,7 +4194,7 @@
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   },
   {
-    "name": "com.google.cloud.vertexai.api.RetrievalMetadata",
+    "name": "com.google.cloud.vertexai.api.SlackSource$SlackChannels",
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@@ -3060,7 +4203,7 @@
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   },
   {
-    "name": "com.google.cloud.vertexai.api.RetrievalMetadata$Builder",
+    "name": "com.google.cloud.vertexai.api.SlackSource$SlackChannels$Builder",
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     "queryAllPublicConstructors": true,
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@@ -3069,7 +4212,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.SafetyRating",
+    "name": "com.google.cloud.vertexai.api.SlackSource$SlackChannels$SlackChannel",
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     "queryAllPublicConstructors": true,
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@@ -3078,7 +4221,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.SafetyRating$Builder",
+    "name": "com.google.cloud.vertexai.api.SlackSource$SlackChannels$SlackChannel$Builder",
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     "queryAllPublicConstructors": true,
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@@ -3087,7 +4230,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.SafetyRating$HarmProbability",
+    "name": "com.google.cloud.vertexai.api.SmoothGradConfig",
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@@ -3096,7 +4239,7 @@
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   },
   {
-    "name": "com.google.cloud.vertexai.api.SafetyRating$HarmSeverity",
+    "name": "com.google.cloud.vertexai.api.SmoothGradConfig$Builder",
     "queryAllDeclaredConstructors": true,
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@@ -3105,7 +4248,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.SafetySetting",
+    "name": "com.google.cloud.vertexai.api.SpeakerVoiceConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3114,7 +4257,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.SafetySetting$Builder",
+    "name": "com.google.cloud.vertexai.api.SpeakerVoiceConfig$Builder",
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@@ -3123,7 +4266,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.SafetySetting$HarmBlockMethod",
+    "name": "com.google.cloud.vertexai.api.SpeculativeDecodingSpec",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3132,7 +4275,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.SafetySetting$HarmBlockThreshold",
+    "name": "com.google.cloud.vertexai.api.SpeculativeDecodingSpec$Builder",
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     "queryAllPublicConstructors": true,
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@@ -3141,7 +4284,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.SampledShapleyAttribution",
+    "name": "com.google.cloud.vertexai.api.SpeculativeDecodingSpec$DraftModelSpeculation",
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     "queryAllPublicConstructors": true,
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@@ -3150,7 +4293,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.SampledShapleyAttribution$Builder",
+    "name": "com.google.cloud.vertexai.api.SpeculativeDecodingSpec$DraftModelSpeculation$Builder",
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     "queryAllPublicConstructors": true,
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@@ -3159,7 +4302,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Schema",
+    "name": "com.google.cloud.vertexai.api.SpeculativeDecodingSpec$NgramSpeculation",
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     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3168,7 +4311,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Schema$Builder",
+    "name": "com.google.cloud.vertexai.api.SpeculativeDecodingSpec$NgramSpeculation$Builder",
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     "queryAllPublicConstructors": true,
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@@ -3177,7 +4320,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.SearchEntryPoint",
+    "name": "com.google.cloud.vertexai.api.SpeechConfig",
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     "queryAllPublicConstructors": true,
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@@ -3186,7 +4329,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.SearchEntryPoint$Builder",
+    "name": "com.google.cloud.vertexai.api.SpeechConfig$Builder",
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@@ -3195,7 +4338,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Segment",
+    "name": "com.google.cloud.vertexai.api.StreamDirectPredictRequest",
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     "queryAllDeclaredMethods": true,
@@ -3204,7 +4347,7 @@
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   },
   {
-    "name": "com.google.cloud.vertexai.api.Segment$Builder",
+    "name": "com.google.cloud.vertexai.api.StreamDirectPredictRequest$Builder",
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     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3213,7 +4356,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.SharePointSources",
+    "name": "com.google.cloud.vertexai.api.StreamDirectPredictResponse",
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     "queryAllDeclaredMethods": true,
@@ -3222,7 +4365,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.SharePointSources$Builder",
+    "name": "com.google.cloud.vertexai.api.StreamDirectPredictResponse$Builder",
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@@ -3231,7 +4374,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.SharePointSources$SharePointSource",
+    "name": "com.google.cloud.vertexai.api.StreamDirectRawPredictRequest",
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@@ -3240,7 +4383,7 @@
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   },
   {
-    "name": "com.google.cloud.vertexai.api.SharePointSources$SharePointSource$Builder",
+    "name": "com.google.cloud.vertexai.api.StreamDirectRawPredictRequest$Builder",
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@@ -3249,7 +4392,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ShieldedVmConfig",
+    "name": "com.google.cloud.vertexai.api.StreamDirectRawPredictResponse",
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@@ -3258,7 +4401,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.ShieldedVmConfig$Builder",
+    "name": "com.google.cloud.vertexai.api.StreamDirectRawPredictResponse$Builder",
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@@ -3267,7 +4410,7 @@
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   },
   {
-    "name": "com.google.cloud.vertexai.api.SlackSource",
+    "name": "com.google.cloud.vertexai.api.StreamRawPredictRequest",
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@@ -3276,7 +4419,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.SlackSource$Builder",
+    "name": "com.google.cloud.vertexai.api.StreamRawPredictRequest$Builder",
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@@ -3285,7 +4428,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.SlackSource$SlackChannels",
+    "name": "com.google.cloud.vertexai.api.StreamingPredictRequest",
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@@ -3294,7 +4437,7 @@
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-    "name": "com.google.cloud.vertexai.api.SlackSource$SlackChannels$Builder",
+    "name": "com.google.cloud.vertexai.api.StreamingPredictRequest$Builder",
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@@ -3303,7 +4446,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.SlackSource$SlackChannels$SlackChannel",
+    "name": "com.google.cloud.vertexai.api.StreamingPredictResponse",
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@@ -3312,7 +4455,7 @@
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-    "name": "com.google.cloud.vertexai.api.SlackSource$SlackChannels$SlackChannel$Builder",
+    "name": "com.google.cloud.vertexai.api.StreamingPredictResponse$Builder",
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@@ -3321,7 +4464,7 @@
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   },
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-    "name": "com.google.cloud.vertexai.api.SmoothGradConfig",
+    "name": "com.google.cloud.vertexai.api.StreamingRawPredictRequest",
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@@ -3330,7 +4473,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.SmoothGradConfig$Builder",
+    "name": "com.google.cloud.vertexai.api.StreamingRawPredictRequest$Builder",
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@@ -3339,7 +4482,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.SpeculativeDecodingSpec",
+    "name": "com.google.cloud.vertexai.api.StreamingRawPredictResponse",
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@@ -3348,7 +4491,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.SpeculativeDecodingSpec$Builder",
+    "name": "com.google.cloud.vertexai.api.StreamingRawPredictResponse$Builder",
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@@ -3357,7 +4500,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.SpeculativeDecodingSpec$DraftModelSpeculation",
+    "name": "com.google.cloud.vertexai.api.StringArray",
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@@ -3366,7 +4509,7 @@
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-    "name": "com.google.cloud.vertexai.api.SpeculativeDecodingSpec$DraftModelSpeculation$Builder",
+    "name": "com.google.cloud.vertexai.api.StringArray$Builder",
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@@ -3375,7 +4518,7 @@
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-    "name": "com.google.cloud.vertexai.api.SpeculativeDecodingSpec$NgramSpeculation",
+    "name": "com.google.cloud.vertexai.api.TFRecordDestination",
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@@ -3384,7 +4527,7 @@
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-    "name": "com.google.cloud.vertexai.api.SpeculativeDecodingSpec$NgramSpeculation$Builder",
+    "name": "com.google.cloud.vertexai.api.TFRecordDestination$Builder",
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@@ -3393,7 +4536,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamDirectPredictRequest",
+    "name": "com.google.cloud.vertexai.api.Tensor",
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@@ -3402,7 +4545,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamDirectPredictRequest$Builder",
+    "name": "com.google.cloud.vertexai.api.Tensor$Builder",
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@@ -3411,7 +4554,7 @@
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   },
   {
-    "name": "com.google.cloud.vertexai.api.StreamDirectPredictResponse",
+    "name": "com.google.cloud.vertexai.api.Tensor$DataType",
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@@ -3420,7 +4563,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamDirectPredictResponse$Builder",
+    "name": "com.google.cloud.vertexai.api.TokensInfo",
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@@ -3429,7 +4572,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamDirectRawPredictRequest",
+    "name": "com.google.cloud.vertexai.api.TokensInfo$Builder",
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@@ -3438,7 +4581,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamDirectRawPredictRequest$Builder",
+    "name": "com.google.cloud.vertexai.api.Tool",
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@@ -3447,7 +4590,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamDirectRawPredictResponse",
+    "name": "com.google.cloud.vertexai.api.Tool$Builder",
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@@ -3456,7 +4599,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamDirectRawPredictResponse$Builder",
+    "name": "com.google.cloud.vertexai.api.Tool$CodeExecution",
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@@ -3465,7 +4608,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamRawPredictRequest",
+    "name": "com.google.cloud.vertexai.api.Tool$CodeExecution$Builder",
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@@ -3474,7 +4617,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamRawPredictRequest$Builder",
+    "name": "com.google.cloud.vertexai.api.Tool$ComputerUse",
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@@ -3483,7 +4626,7 @@
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   },
   {
-    "name": "com.google.cloud.vertexai.api.StreamingPredictRequest",
+    "name": "com.google.cloud.vertexai.api.Tool$ComputerUse$Builder",
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@@ -3492,7 +4635,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamingPredictRequest$Builder",
+    "name": "com.google.cloud.vertexai.api.Tool$ComputerUse$Environment",
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@@ -3501,7 +4644,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamingPredictResponse",
+    "name": "com.google.cloud.vertexai.api.Tool$GoogleSearch",
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@@ -3510,7 +4653,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamingPredictResponse$Builder",
+    "name": "com.google.cloud.vertexai.api.Tool$GoogleSearch$Builder",
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@@ -3519,7 +4662,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamingRawPredictRequest",
+    "name": "com.google.cloud.vertexai.api.Tool$PhishBlockThreshold",
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@@ -3528,7 +4671,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamingRawPredictRequest$Builder",
+    "name": "com.google.cloud.vertexai.api.ToolConfig",
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@@ -3537,7 +4680,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamingRawPredictResponse",
+    "name": "com.google.cloud.vertexai.api.ToolConfig$Builder",
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@@ -3546,7 +4689,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StreamingRawPredictResponse$Builder",
+    "name": "com.google.cloud.vertexai.api.Type",
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@@ -3555,7 +4698,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.StringArray",
+    "name": "com.google.cloud.vertexai.api.UndeployModelOperationMetadata",
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@@ -3564,7 +4707,7 @@
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-    "name": "com.google.cloud.vertexai.api.StringArray$Builder",
+    "name": "com.google.cloud.vertexai.api.UndeployModelOperationMetadata$Builder",
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@@ -3573,7 +4716,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.TFRecordDestination",
+    "name": "com.google.cloud.vertexai.api.UndeployModelRequest",
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@@ -3582,7 +4725,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.TFRecordDestination$Builder",
+    "name": "com.google.cloud.vertexai.api.UndeployModelRequest$Builder",
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@@ -3591,7 +4734,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.Tensor",
+    "name": "com.google.cloud.vertexai.api.UndeployModelResponse",
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@@ -3600,7 +4743,7 @@
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-    "name": "com.google.cloud.vertexai.api.Tensor$Builder",
+    "name": "com.google.cloud.vertexai.api.UndeployModelResponse$Builder",
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@@ -3609,7 +4752,7 @@
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-    "name": "com.google.cloud.vertexai.api.Tensor$DataType",
+    "name": "com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequest",
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@@ -3618,7 +4761,7 @@
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-    "name": "com.google.cloud.vertexai.api.TokensInfo",
+    "name": "com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequest$Builder",
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@@ -3627,7 +4770,7 @@
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-    "name": "com.google.cloud.vertexai.api.TokensInfo$Builder",
+    "name": "com.google.cloud.vertexai.api.UpdateEndpointOperationMetadata",
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@@ -3636,7 +4779,7 @@
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   {
-    "name": "com.google.cloud.vertexai.api.Tool",
+    "name": "com.google.cloud.vertexai.api.UpdateEndpointOperationMetadata$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3645,7 +4788,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Tool$Builder",
+    "name": "com.google.cloud.vertexai.api.UpdateEndpointRequest",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3654,7 +4797,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Tool$CodeExecution",
+    "name": "com.google.cloud.vertexai.api.UpdateEndpointRequest$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3663,7 +4806,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Tool$CodeExecution$Builder",
+    "name": "com.google.cloud.vertexai.api.UploadRagFileConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3672,7 +4815,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Tool$GoogleSearch",
+    "name": "com.google.cloud.vertexai.api.UploadRagFileConfig$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3681,7 +4824,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Tool$GoogleSearch$Builder",
+    "name": "com.google.cloud.vertexai.api.UrlContext",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3690,7 +4833,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ToolConfig",
+    "name": "com.google.cloud.vertexai.api.UrlContext$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3699,7 +4842,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.ToolConfig$Builder",
+    "name": "com.google.cloud.vertexai.api.UrlContextMetadata",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3708,7 +4851,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.Type",
+    "name": "com.google.cloud.vertexai.api.UrlContextMetadata$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3717,7 +4860,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.UndeployModelOperationMetadata",
+    "name": "com.google.cloud.vertexai.api.UrlMetadata",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3726,7 +4869,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.UndeployModelOperationMetadata$Builder",
+    "name": "com.google.cloud.vertexai.api.UrlMetadata$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3735,7 +4878,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.UndeployModelRequest",
+    "name": "com.google.cloud.vertexai.api.UrlMetadata$UrlRetrievalStatus",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3744,7 +4887,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.UndeployModelRequest$Builder",
+    "name": "com.google.cloud.vertexai.api.UsageMetadata",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3753,7 +4896,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.UndeployModelResponse",
+    "name": "com.google.cloud.vertexai.api.UsageMetadata$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3762,7 +4905,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.UndeployModelResponse$Builder",
+    "name": "com.google.cloud.vertexai.api.UsageMetadata$TrafficType",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3771,7 +4914,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequest",
+    "name": "com.google.cloud.vertexai.api.VertexAISearch",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3780,7 +4923,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequest$Builder",
+    "name": "com.google.cloud.vertexai.api.VertexAISearch$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3789,7 +4932,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.UpdateEndpointOperationMetadata",
+    "name": "com.google.cloud.vertexai.api.VertexAISearch$DataStoreSpec",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3798,7 +4941,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.UpdateEndpointOperationMetadata$Builder",
+    "name": "com.google.cloud.vertexai.api.VertexAISearch$DataStoreSpec$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3807,7 +4950,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.UpdateEndpointRequest",
+    "name": "com.google.cloud.vertexai.api.VertexAiSearchConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3816,7 +4959,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.UpdateEndpointRequest$Builder",
+    "name": "com.google.cloud.vertexai.api.VertexAiSearchConfig$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3825,7 +4968,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.VertexAISearch",
+    "name": "com.google.cloud.vertexai.api.VertexRagStore",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3834,7 +4977,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.VertexAISearch$Builder",
+    "name": "com.google.cloud.vertexai.api.VertexRagStore$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3843,7 +4986,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.VertexRagStore",
+    "name": "com.google.cloud.vertexai.api.VertexRagStore$RagResource",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3852,7 +4995,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.VertexRagStore$Builder",
+    "name": "com.google.cloud.vertexai.api.VertexRagStore$RagResource$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3861,7 +5004,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.VertexRagStore$RagResource",
+    "name": "com.google.cloud.vertexai.api.VideoMetadata",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3870,7 +5013,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.VertexRagStore$RagResource$Builder",
+    "name": "com.google.cloud.vertexai.api.VideoMetadata$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3879,7 +5022,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.VideoMetadata",
+    "name": "com.google.cloud.vertexai.api.VoiceConfig",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -3888,7 +5031,7 @@
     "allPublicClasses": true
   },
   {
-    "name": "com.google.cloud.vertexai.api.VideoMetadata$Builder",
+    "name": "com.google.cloud.vertexai.api.VoiceConfig$Builder",
     "queryAllDeclaredConstructors": true,
     "queryAllPublicConstructors": true,
     "queryAllDeclaredMethods": true,
@@ -4535,6 +5678,15 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.protobuf.DescriptorProtos$FeatureSet$EnforceNamingStyle",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.protobuf.DescriptorProtos$FeatureSet$EnumType",
     "queryAllDeclaredConstructors": true,
@@ -4589,6 +5741,33 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.protobuf.DescriptorProtos$FeatureSet$VisibilityFeature",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.protobuf.DescriptorProtos$FeatureSet$VisibilityFeature$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.protobuf.DescriptorProtos$FeatureSet$VisibilityFeature$DefaultSymbolVisibility",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.protobuf.DescriptorProtos$FeatureSetDefaults",
     "queryAllDeclaredConstructors": true,
@@ -4706,6 +5885,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.protobuf.DescriptorProtos$FieldOptions$FeatureSupport",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.protobuf.DescriptorProtos$FieldOptions$FeatureSupport$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.protobuf.DescriptorProtos$FieldOptions$JSType",
     "queryAllDeclaredConstructors": true,
@@ -5012,6 +6209,15 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.protobuf.DescriptorProtos$SymbolVisibility",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.protobuf.DescriptorProtos$UninterpretedOption",
     "queryAllDeclaredConstructors": true,
diff --git a/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/EndpointServiceClientHttpJsonTest.java b/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/EndpointServiceClientHttpJsonTest.java
index ec81cd0cd8ce..72b1b67d93f9 100644
--- a/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/EndpointServiceClientHttpJsonTest.java
+++ b/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/EndpointServiceClientHttpJsonTest.java
@@ -125,6 +125,8 @@ public void createEndpointTest() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -198,6 +200,8 @@ public void createEndpointTest2() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -271,6 +275,8 @@ public void createEndpointTest3() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -346,6 +352,8 @@ public void createEndpointTest4() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -421,6 +429,8 @@ public void getEndpointTest() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     mockService.addResponse(expectedResponse);
 
@@ -489,6 +499,8 @@ public void getEndpointTest2() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     mockService.addResponse(expectedResponse);
 
@@ -655,6 +667,8 @@ public void updateEndpointTest() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     mockService.addResponse(expectedResponse);
 
@@ -683,6 +697,8 @@ public void updateEndpointTest() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     FieldMask updateMask = FieldMask.newBuilder().build();
 
@@ -738,6 +754,8 @@ public void updateEndpointExceptionTest() throws Exception {
               .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
               .setSatisfiesPzs(true)
               .setSatisfiesPzi(true)
+              .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+              .setPrivateModelServerEnabled(true)
               .build();
       FieldMask updateMask = FieldMask.newBuilder().build();
       client.updateEndpoint(endpoint, updateMask);
@@ -774,6 +792,8 @@ public void updateEndpointLongRunningTest() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -808,6 +828,8 @@ public void updateEndpointLongRunningTest() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
 
     Endpoint actualResponse = client.updateEndpointLongRunningAsync(endpoint).get();
@@ -862,6 +884,8 @@ public void updateEndpointLongRunningExceptionTest() throws Exception {
               .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
               .setSatisfiesPzs(true)
               .setSatisfiesPzi(true)
+              .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+              .setPrivateModelServerEnabled(true)
               .build();
       client.updateEndpointLongRunningAsync(endpoint).get();
       Assert.fail("No exception raised");
diff --git a/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/EndpointServiceClientTest.java b/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/EndpointServiceClientTest.java
index 7c69e5aec99b..cdf6c483fbd3 100644
--- a/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/EndpointServiceClientTest.java
+++ b/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/EndpointServiceClientTest.java
@@ -62,6 +62,7 @@
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.BeforeClass;
+import org.junit.Ignore;
 import org.junit.Test;
 
 @Generated("by gapic-generator-java")
@@ -134,6 +135,8 @@ public void createEndpointTest() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -205,6 +208,8 @@ public void createEndpointTest2() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -276,6 +281,8 @@ public void createEndpointTest3() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -350,6 +357,8 @@ public void createEndpointTest4() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     Operation resultOperation =
         Operation.newBuilder()
@@ -424,6 +433,8 @@ public void getEndpointTest() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     mockEndpointService.addResponse(expectedResponse);
 
@@ -486,6 +497,8 @@ public void getEndpointTest2() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     mockEndpointService.addResponse(expectedResponse);
 
@@ -634,6 +647,8 @@ public void updateEndpointTest() throws Exception {
             .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
             .setSatisfiesPzs(true)
             .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
             .build();
     mockEndpointService.addResponse(expectedResponse);
 
@@ -670,6 +685,79 @@ public void updateEndpointExceptionTest() throws Exception {
     }
   }
 
+  @Test
+  @Ignore
+  public void updateEndpointLongRunningTest() throws Exception {
+    Endpoint expectedResponse =
+        Endpoint.newBuilder()
+            .setName(
+                EndpointName.ofProjectLocationEndpointName("[PROJECT]", "[LOCATION]", "[ENDPOINT]")
+                    .toString())
+            .setDisplayName("displayName1714148973")
+            .setDescription("description-1724546052")
+            .addAllDeployedModels(new ArrayList<DeployedModel>())
+            .putAllTrafficSplit(new HashMap<String, Integer>())
+            .setEtag("etag3123477")
+            .putAllLabels(new HashMap<String, String>())
+            .setCreateTime(Timestamp.newBuilder().build())
+            .setUpdateTime(Timestamp.newBuilder().build())
+            .setEncryptionSpec(EncryptionSpec.newBuilder().build())
+            .setNetwork("network1843485230")
+            .setEnablePrivateServiceConnect(true)
+            .setPrivateServiceConnectConfig(PrivateServiceConnectConfig.newBuilder().build())
+            .setModelDeploymentMonitoringJob("modelDeploymentMonitoringJob-1178077657")
+            .setPredictRequestResponseLoggingConfig(
+                PredictRequestResponseLoggingConfig.newBuilder().build())
+            .setDedicatedEndpointEnabled(true)
+            .setDedicatedEndpointDns("dedicatedEndpointDns1492154853")
+            .setClientConnectionConfig(ClientConnectionConfig.newBuilder().build())
+            .setSatisfiesPzs(true)
+            .setSatisfiesPzi(true)
+            .setGenAiAdvancedFeaturesConfig(GenAiAdvancedFeaturesConfig.newBuilder().build())
+            .setPrivateModelServerEnabled(true)
+            .build();
+    Operation resultOperation =
+        Operation.newBuilder()
+            .setName("updateEndpointLongRunningTest")
+            .setDone(true)
+            .setResponse(Any.pack(expectedResponse))
+            .build();
+    mockEndpointService.addResponse(resultOperation);
+
+    Endpoint endpoint = Endpoint.newBuilder().build();
+
+    Endpoint actualResponse = client.updateEndpointLongRunningAsync(endpoint).get();
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockEndpointService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    UpdateEndpointLongRunningRequest actualRequest =
+        ((UpdateEndpointLongRunningRequest) actualRequests.get(0));
+
+    Assert.assertEquals(endpoint, actualRequest.getEndpoint());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  @Ignore
+  public void updateEndpointLongRunningExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockEndpointService.addException(exception);
+
+    try {
+      Endpoint endpoint = Endpoint.newBuilder().build();
+      client.updateEndpointLongRunningAsync(endpoint).get();
+      Assert.fail("No exception raised");
+    } catch (ExecutionException e) {
+      Assert.assertEquals(InvalidArgumentException.class, e.getCause().getClass());
+      InvalidArgumentException apiException = ((InvalidArgumentException) e.getCause());
+      Assert.assertEquals(StatusCode.Code.INVALID_ARGUMENT, apiException.getStatusCode().getCode());
+    }
+  }
+
   @Test
   public void deleteEndpointTest() throws Exception {
     Empty expectedResponse = Empty.newBuilder().build();
diff --git a/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/MockEndpointServiceImpl.java b/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/MockEndpointServiceImpl.java
index 2715ef759b87..5f2bbb418c2f 100644
--- a/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/MockEndpointServiceImpl.java
+++ b/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/MockEndpointServiceImpl.java
@@ -156,7 +156,8 @@ public void updateEndpointLongRunning(
       responseObserver.onError(
           new IllegalArgumentException(
               String.format(
-                  "Unrecognized response type %s for method UpdateEndpointLongRunning, expected %s or %s",
+                  "Unrecognized response type %s for method UpdateEndpointLongRunning, expected %s"
+                      + " or %s",
                   response == null ? "null" : response.getClass().getName(),
                   Operation.class.getName(),
                   Exception.class.getName())));
diff --git a/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/MockPredictionServiceImpl.java b/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/MockPredictionServiceImpl.java
index 6c16ad578d2d..5f3592f4379d 100644
--- a/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/MockPredictionServiceImpl.java
+++ b/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/MockPredictionServiceImpl.java
@@ -179,7 +179,8 @@ public void onNext(StreamDirectPredictRequest value) {
               responseObserver.onError(
                   new IllegalArgumentException(
                       String.format(
-                          "Unrecognized response type %s for method StreamDirectPredict, expected %s or %s",
+                          "Unrecognized response type %s for method StreamDirectPredict, expected"
+                              + " %s or %s",
                           response == null ? "null" : response.getClass().getName(),
                           StreamDirectPredictResponse.class.getName(),
                           Exception.class.getName())));
@@ -216,7 +217,8 @@ public void onNext(StreamDirectRawPredictRequest value) {
               responseObserver.onError(
                   new IllegalArgumentException(
                       String.format(
-                          "Unrecognized response type %s for method StreamDirectRawPredict, expected %s or %s",
+                          "Unrecognized response type %s for method StreamDirectRawPredict,"
+                              + " expected %s or %s",
                           response == null ? "null" : response.getClass().getName(),
                           StreamDirectRawPredictResponse.class.getName(),
                           Exception.class.getName())));
@@ -253,7 +255,8 @@ public void onNext(StreamingPredictRequest value) {
               responseObserver.onError(
                   new IllegalArgumentException(
                       String.format(
-                          "Unrecognized response type %s for method StreamingPredict, expected %s or %s",
+                          "Unrecognized response type %s for method StreamingPredict, expected %s"
+                              + " or %s",
                           response == null ? "null" : response.getClass().getName(),
                           StreamingPredictResponse.class.getName(),
                           Exception.class.getName())));
@@ -287,7 +290,8 @@ public void serverStreamingPredict(
       responseObserver.onError(
           new IllegalArgumentException(
               String.format(
-                  "Unrecognized response type %s for method ServerStreamingPredict, expected %s or %s",
+                  "Unrecognized response type %s for method ServerStreamingPredict, expected %s or"
+                      + " %s",
                   response == null ? "null" : response.getClass().getName(),
                   StreamingPredictResponse.class.getName(),
                   Exception.class.getName())));
@@ -311,7 +315,8 @@ public void onNext(StreamingRawPredictRequest value) {
               responseObserver.onError(
                   new IllegalArgumentException(
                       String.format(
-                          "Unrecognized response type %s for method StreamingRawPredict, expected %s or %s",
+                          "Unrecognized response type %s for method StreamingRawPredict, expected"
+                              + " %s or %s",
                           response == null ? "null" : response.getClass().getName(),
                           StreamingRawPredictResponse.class.getName(),
                           Exception.class.getName())));
@@ -386,10 +391,32 @@ public void streamGenerateContent(
       responseObserver.onError(
           new IllegalArgumentException(
               String.format(
-                  "Unrecognized response type %s for method StreamGenerateContent, expected %s or %s",
+                  "Unrecognized response type %s for method StreamGenerateContent, expected %s or"
+                      + " %s",
                   response == null ? "null" : response.getClass().getName(),
                   GenerateContentResponse.class.getName(),
                   Exception.class.getName())));
     }
   }
+
+  @Override
+  public void embedContent(
+      EmbedContentRequest request, StreamObserver<EmbedContentResponse> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof EmbedContentResponse) {
+      requests.add(request);
+      responseObserver.onNext(((EmbedContentResponse) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method EmbedContent, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  EmbedContentResponse.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
 }
diff --git a/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/PredictionServiceClientHttpJsonTest.java b/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/PredictionServiceClientHttpJsonTest.java
index 17bc73787a57..0bcb05dec931 100644
--- a/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/PredictionServiceClientHttpJsonTest.java
+++ b/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/PredictionServiceClientHttpJsonTest.java
@@ -634,6 +634,108 @@ public void streamGenerateContentExceptionTest() throws Exception {
     mockService.addException(exception);
   }
 
+  @Test
+  public void embedContentTest() throws Exception {
+    EmbedContentResponse expectedResponse =
+        EmbedContentResponse.newBuilder()
+            .setEmbedding(EmbedContentResponse.Embedding.newBuilder().build())
+            .setUsageMetadata(UsageMetadata.newBuilder().build())
+            .setTruncated(true)
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    EndpointName model =
+        EndpointName.ofProjectLocationPublisherModelName(
+            "[PROJECT]", "[LOCATION]", "[PUBLISHER]", "[MODEL]");
+    Content content = Content.newBuilder().build();
+
+    EmbedContentResponse actualResponse = client.embedContent(model, content);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void embedContentExceptionTest() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      EndpointName model =
+          EndpointName.ofProjectLocationPublisherModelName(
+              "[PROJECT]", "[LOCATION]", "[PUBLISHER]", "[MODEL]");
+      Content content = Content.newBuilder().build();
+      client.embedContent(model, content);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void embedContentTest2() throws Exception {
+    EmbedContentResponse expectedResponse =
+        EmbedContentResponse.newBuilder()
+            .setEmbedding(EmbedContentResponse.Embedding.newBuilder().build())
+            .setUsageMetadata(UsageMetadata.newBuilder().build())
+            .setTruncated(true)
+            .build();
+    mockService.addResponse(expectedResponse);
+
+    String model =
+        "projects/project-3045/locations/location-3045/publishers/publisher-3045/models/model-3045";
+    Content content = Content.newBuilder().build();
+
+    EmbedContentResponse actualResponse = client.embedContent(model, content);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<String> actualRequests = mockService.getRequestPaths();
+    Assert.assertEquals(1, actualRequests.size());
+
+    String apiClientHeaderKey =
+        mockService
+            .getRequestHeaders()
+            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
+            .iterator()
+            .next();
+    Assert.assertTrue(
+        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
+            .matcher(apiClientHeaderKey)
+            .matches());
+  }
+
+  @Test
+  public void embedContentExceptionTest2() throws Exception {
+    ApiException exception =
+        ApiExceptionFactory.createException(
+            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
+    mockService.addException(exception);
+
+    try {
+      String model =
+          "projects/project-3045/locations/location-3045/publishers/publisher-3045/models/model-3045";
+      Content content = Content.newBuilder().build();
+      client.embedContent(model, content);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
   @Test
   public void listLocationsTest() throws Exception {
     Location responsesElement = Location.newBuilder().build();
diff --git a/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/PredictionServiceClientTest.java b/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/PredictionServiceClientTest.java
index b2ecc40032f4..0456cdf635d0 100644
--- a/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/PredictionServiceClientTest.java
+++ b/java-vertexai/google-cloud-vertexai/src/test/java/com/google/cloud/vertexai/api/PredictionServiceClientTest.java
@@ -942,6 +942,7 @@ public void streamGenerateContentTest() throws Exception {
             .setToolConfig(ToolConfig.newBuilder().build())
             .putAllLabels(new HashMap<String, String>())
             .addAllSafetySettings(new ArrayList<SafetySetting>())
+            .setModelArmorConfig(ModelArmorConfig.newBuilder().build())
             .setGenerationConfig(GenerationConfig.newBuilder().build())
             .build();
 
@@ -971,6 +972,7 @@ public void streamGenerateContentExceptionTest() throws Exception {
             .setToolConfig(ToolConfig.newBuilder().build())
             .putAllLabels(new HashMap<String, String>())
             .addAllSafetySettings(new ArrayList<SafetySetting>())
+            .setModelArmorConfig(ModelArmorConfig.newBuilder().build())
             .setGenerationConfig(GenerationConfig.newBuilder().build())
             .build();
 
@@ -990,6 +992,96 @@ public void streamGenerateContentExceptionTest() throws Exception {
     }
   }
 
+  @Test
+  public void embedContentTest() throws Exception {
+    EmbedContentResponse expectedResponse =
+        EmbedContentResponse.newBuilder()
+            .setEmbedding(EmbedContentResponse.Embedding.newBuilder().build())
+            .setUsageMetadata(UsageMetadata.newBuilder().build())
+            .setTruncated(true)
+            .build();
+    mockPredictionService.addResponse(expectedResponse);
+
+    EndpointName model =
+        EndpointName.ofProjectLocationPublisherModelName(
+            "[PROJECT]", "[LOCATION]", "[PUBLISHER]", "[MODEL]");
+    Content content = Content.newBuilder().build();
+
+    EmbedContentResponse actualResponse = client.embedContent(model, content);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockPredictionService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    EmbedContentRequest actualRequest = ((EmbedContentRequest) actualRequests.get(0));
+
+    Assert.assertEquals(model.toString(), actualRequest.getModel());
+    Assert.assertEquals(content, actualRequest.getContent());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void embedContentExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockPredictionService.addException(exception);
+
+    try {
+      EndpointName model =
+          EndpointName.ofProjectLocationPublisherModelName(
+              "[PROJECT]", "[LOCATION]", "[PUBLISHER]", "[MODEL]");
+      Content content = Content.newBuilder().build();
+      client.embedContent(model, content);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void embedContentTest2() throws Exception {
+    EmbedContentResponse expectedResponse =
+        EmbedContentResponse.newBuilder()
+            .setEmbedding(EmbedContentResponse.Embedding.newBuilder().build())
+            .setUsageMetadata(UsageMetadata.newBuilder().build())
+            .setTruncated(true)
+            .build();
+    mockPredictionService.addResponse(expectedResponse);
+
+    String model = "model104069929";
+    Content content = Content.newBuilder().build();
+
+    EmbedContentResponse actualResponse = client.embedContent(model, content);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockPredictionService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    EmbedContentRequest actualRequest = ((EmbedContentRequest) actualRequests.get(0));
+
+    Assert.assertEquals(model, actualRequest.getModel());
+    Assert.assertEquals(content, actualRequest.getContent());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void embedContentExceptionTest2() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockPredictionService.addException(exception);
+
+    try {
+      String model = "model104069929";
+      Content content = Content.newBuilder().build();
+      client.embedContent(model, content);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
   @Test
   public void listLocationsTest() throws Exception {
     Location responsesElement = Location.newBuilder().build();
diff --git a/java-vertexai/grpc-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointServiceGrpc.java b/java-vertexai/grpc-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointServiceGrpc.java
index 551bc3fa9393..7c23d692fd38 100644
--- a/java-vertexai/grpc-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointServiceGrpc.java
+++ b/java-vertexai/grpc-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointServiceGrpc.java
@@ -24,9 +24,6 @@
  * A service for managing Vertex AI's Endpoints.
  * </pre>
  */
-@javax.annotation.Generated(
-    value = "by gRPC proto compiler",
-    comments = "Source: google/cloud/vertexai/v1/endpoint_service.proto")
 @io.grpc.stub.annotations.GrpcGenerated
 public final class EndpointServiceGrpc {
 
@@ -625,9 +622,9 @@ default void undeployModel(
      *
      * <pre>
      * Updates an existing deployed model. Updatable fields include
-     * `min_replica_count`, `max_replica_count`, `autoscaling_metric_specs`,
-     * `disable_container_logging` (v1 only), and `enable_container_logging`
-     * (v1beta1 only).
+     * `min_replica_count`, `max_replica_count`, `required_replica_count`,
+     * `autoscaling_metric_specs`, `disable_container_logging` (v1 only), and
+     * `enable_container_logging` (v1beta1 only).
      * </pre>
      */
     default void mutateDeployedModel(
@@ -807,9 +804,9 @@ public void undeployModel(
      *
      * <pre>
      * Updates an existing deployed model. Updatable fields include
-     * `min_replica_count`, `max_replica_count`, `autoscaling_metric_specs`,
-     * `disable_container_logging` (v1 only), and `enable_container_logging`
-     * (v1beta1 only).
+     * `min_replica_count`, `max_replica_count`, `required_replica_count`,
+     * `autoscaling_metric_specs`, `disable_container_logging` (v1 only), and
+     * `enable_container_logging` (v1beta1 only).
      * </pre>
      */
     public void mutateDeployedModel(
@@ -850,8 +847,9 @@ protected EndpointServiceBlockingV2Stub build(
      * </pre>
      */
     public com.google.longrunning.Operation createEndpoint(
-        com.google.cloud.vertexai.api.CreateEndpointRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.CreateEndpointRequest request)
+        throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getCreateEndpointMethod(), getCallOptions(), request);
     }
 
@@ -863,8 +861,8 @@ public com.google.longrunning.Operation createEndpoint(
      * </pre>
      */
     public com.google.cloud.vertexai.api.Endpoint getEndpoint(
-        com.google.cloud.vertexai.api.GetEndpointRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.GetEndpointRequest request) throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getGetEndpointMethod(), getCallOptions(), request);
     }
 
@@ -876,8 +874,8 @@ public com.google.cloud.vertexai.api.Endpoint getEndpoint(
      * </pre>
      */
     public com.google.cloud.vertexai.api.ListEndpointsResponse listEndpoints(
-        com.google.cloud.vertexai.api.ListEndpointsRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.ListEndpointsRequest request) throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getListEndpointsMethod(), getCallOptions(), request);
     }
 
@@ -889,8 +887,9 @@ public com.google.cloud.vertexai.api.ListEndpointsResponse listEndpoints(
      * </pre>
      */
     public com.google.cloud.vertexai.api.Endpoint updateEndpoint(
-        com.google.cloud.vertexai.api.UpdateEndpointRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.UpdateEndpointRequest request)
+        throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getUpdateEndpointMethod(), getCallOptions(), request);
     }
 
@@ -902,8 +901,9 @@ public com.google.cloud.vertexai.api.Endpoint updateEndpoint(
      * </pre>
      */
     public com.google.longrunning.Operation updateEndpointLongRunning(
-        com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequest request)
+        throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getUpdateEndpointLongRunningMethod(), getCallOptions(), request);
     }
 
@@ -915,8 +915,9 @@ public com.google.longrunning.Operation updateEndpointLongRunning(
      * </pre>
      */
     public com.google.longrunning.Operation deleteEndpoint(
-        com.google.cloud.vertexai.api.DeleteEndpointRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.DeleteEndpointRequest request)
+        throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getDeleteEndpointMethod(), getCallOptions(), request);
     }
 
@@ -928,8 +929,8 @@ public com.google.longrunning.Operation deleteEndpoint(
      * </pre>
      */
     public com.google.longrunning.Operation deployModel(
-        com.google.cloud.vertexai.api.DeployModelRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.DeployModelRequest request) throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getDeployModelMethod(), getCallOptions(), request);
     }
 
@@ -942,8 +943,8 @@ public com.google.longrunning.Operation deployModel(
      * </pre>
      */
     public com.google.longrunning.Operation undeployModel(
-        com.google.cloud.vertexai.api.UndeployModelRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.UndeployModelRequest request) throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getUndeployModelMethod(), getCallOptions(), request);
     }
 
@@ -952,14 +953,15 @@ public com.google.longrunning.Operation undeployModel(
      *
      * <pre>
      * Updates an existing deployed model. Updatable fields include
-     * `min_replica_count`, `max_replica_count`, `autoscaling_metric_specs`,
-     * `disable_container_logging` (v1 only), and `enable_container_logging`
-     * (v1beta1 only).
+     * `min_replica_count`, `max_replica_count`, `required_replica_count`,
+     * `autoscaling_metric_specs`, `disable_container_logging` (v1 only), and
+     * `enable_container_logging` (v1beta1 only).
      * </pre>
      */
     public com.google.longrunning.Operation mutateDeployedModel(
-        com.google.cloud.vertexai.api.MutateDeployedModelRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.MutateDeployedModelRequest request)
+        throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getMutateDeployedModelMethod(), getCallOptions(), request);
     }
   }
@@ -1093,9 +1095,9 @@ public com.google.longrunning.Operation undeployModel(
      *
      * <pre>
      * Updates an existing deployed model. Updatable fields include
-     * `min_replica_count`, `max_replica_count`, `autoscaling_metric_specs`,
-     * `disable_container_logging` (v1 only), and `enable_container_logging`
-     * (v1beta1 only).
+     * `min_replica_count`, `max_replica_count`, `required_replica_count`,
+     * `autoscaling_metric_specs`, `disable_container_logging` (v1 only), and
+     * `enable_container_logging` (v1beta1 only).
      * </pre>
      */
     public com.google.longrunning.Operation mutateDeployedModel(
@@ -1238,9 +1240,9 @@ protected EndpointServiceFutureStub build(
      *
      * <pre>
      * Updates an existing deployed model. Updatable fields include
-     * `min_replica_count`, `max_replica_count`, `autoscaling_metric_specs`,
-     * `disable_container_logging` (v1 only), and `enable_container_logging`
-     * (v1beta1 only).
+     * `min_replica_count`, `max_replica_count`, `required_replica_count`,
+     * `autoscaling_metric_specs`, `disable_container_logging` (v1 only), and
+     * `enable_container_logging` (v1beta1 only).
      * </pre>
      */
     public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
diff --git a/java-vertexai/grpc-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LlmUtilityServiceGrpc.java b/java-vertexai/grpc-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LlmUtilityServiceGrpc.java
index 6a683544e839..247c54ba5574 100644
--- a/java-vertexai/grpc-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LlmUtilityServiceGrpc.java
+++ b/java-vertexai/grpc-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LlmUtilityServiceGrpc.java
@@ -24,9 +24,6 @@
  * Service for LLM related utility functions.
  * </pre>
  */
-@javax.annotation.Generated(
-    value = "by gRPC proto compiler",
-    comments = "Source: google/cloud/vertexai/v1/llm_utility_service.proto")
 @io.grpc.stub.annotations.GrpcGenerated
 public final class LlmUtilityServiceGrpc {
 
@@ -322,8 +319,8 @@ protected LlmUtilityServiceBlockingV2Stub build(
      * </pre>
      */
     public com.google.cloud.vertexai.api.CountTokensResponse countTokens(
-        com.google.cloud.vertexai.api.CountTokensRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.CountTokensRequest request) throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getCountTokensMethod(), getCallOptions(), request);
     }
 
@@ -335,8 +332,8 @@ public com.google.cloud.vertexai.api.CountTokensResponse countTokens(
      * </pre>
      */
     public com.google.cloud.vertexai.api.ComputeTokensResponse computeTokens(
-        com.google.cloud.vertexai.api.ComputeTokensRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.ComputeTokensRequest request) throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getComputeTokensMethod(), getCallOptions(), request);
     }
   }
diff --git a/java-vertexai/grpc-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictionServiceGrpc.java b/java-vertexai/grpc-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictionServiceGrpc.java
index 88151fbcb00f..4c8dc8c0700b 100644
--- a/java-vertexai/grpc-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictionServiceGrpc.java
+++ b/java-vertexai/grpc-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictionServiceGrpc.java
@@ -24,9 +24,6 @@
  * A service for online predictions and explanations.
  * </pre>
  */
-@javax.annotation.Generated(
-    value = "by gRPC proto compiler",
-    comments = "Source: google/cloud/vertexai/v1/prediction_service.proto")
 @io.grpc.stub.annotations.GrpcGenerated
 public final class PredictionServiceGrpc {
 
@@ -648,6 +645,53 @@ private PredictionServiceGrpc() {}
     return getStreamGenerateContentMethod;
   }
 
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloud.vertexai.api.EmbedContentRequest,
+          com.google.cloud.vertexai.api.EmbedContentResponse>
+      getEmbedContentMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "EmbedContent",
+      requestType = com.google.cloud.vertexai.api.EmbedContentRequest.class,
+      responseType = com.google.cloud.vertexai.api.EmbedContentResponse.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloud.vertexai.api.EmbedContentRequest,
+          com.google.cloud.vertexai.api.EmbedContentResponse>
+      getEmbedContentMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloud.vertexai.api.EmbedContentRequest,
+            com.google.cloud.vertexai.api.EmbedContentResponse>
+        getEmbedContentMethod;
+    if ((getEmbedContentMethod = PredictionServiceGrpc.getEmbedContentMethod) == null) {
+      synchronized (PredictionServiceGrpc.class) {
+        if ((getEmbedContentMethod = PredictionServiceGrpc.getEmbedContentMethod) == null) {
+          PredictionServiceGrpc.getEmbedContentMethod =
+              getEmbedContentMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloud.vertexai.api.EmbedContentRequest,
+                          com.google.cloud.vertexai.api.EmbedContentResponse>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "EmbedContent"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.vertexai.api.EmbedContentRequest
+                                  .getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.vertexai.api.EmbedContentResponse
+                                  .getDefaultInstance()))
+                      .setSchemaDescriptor(
+                          new PredictionServiceMethodDescriptorSupplier("EmbedContent"))
+                      .build();
+        }
+      }
+    }
+    return getEmbedContentMethod;
+  }
+
   /** Creates a new async stub that supports all call types for the service */
   public static PredictionServiceStub newStub(io.grpc.Channel channel) {
     io.grpc.stub.AbstractStub.StubFactory<PredictionServiceStub> factory =
@@ -923,6 +967,21 @@ default void streamGenerateContent(
       io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
           getStreamGenerateContentMethod(), responseObserver);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Embed content with multimodal inputs.
+     * </pre>
+     */
+    default void embedContent(
+        com.google.cloud.vertexai.api.EmbedContentRequest request,
+        io.grpc.stub.StreamObserver<com.google.cloud.vertexai.api.EmbedContentResponse>
+            responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getEmbedContentMethod(), responseObserver);
+    }
   }
 
   /**
@@ -1188,6 +1247,23 @@ public void streamGenerateContent(
           request,
           responseObserver);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Embed content with multimodal inputs.
+     * </pre>
+     */
+    public void embedContent(
+        com.google.cloud.vertexai.api.EmbedContentRequest request,
+        io.grpc.stub.StreamObserver<com.google.cloud.vertexai.api.EmbedContentResponse>
+            responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getEmbedContentMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
   }
 
   /**
@@ -1218,8 +1294,8 @@ protected PredictionServiceBlockingV2Stub build(
      * </pre>
      */
     public com.google.cloud.vertexai.api.PredictResponse predict(
-        com.google.cloud.vertexai.api.PredictRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.PredictRequest request) throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getPredictMethod(), getCallOptions(), request);
     }
 
@@ -1238,8 +1314,8 @@ public com.google.cloud.vertexai.api.PredictResponse predict(
      * </pre>
      */
     public com.google.api.HttpBody rawPredict(
-        com.google.cloud.vertexai.api.RawPredictRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.RawPredictRequest request) throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getRawPredictMethod(), getCallOptions(), request);
     }
 
@@ -1266,8 +1342,8 @@ public io.grpc.stub.BlockingClientCall<?, com.google.api.HttpBody> streamRawPred
      * </pre>
      */
     public com.google.cloud.vertexai.api.DirectPredictResponse directPredict(
-        com.google.cloud.vertexai.api.DirectPredictRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.DirectPredictRequest request) throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getDirectPredictMethod(), getCallOptions(), request);
     }
 
@@ -1280,8 +1356,9 @@ public com.google.cloud.vertexai.api.DirectPredictResponse directPredict(
      * </pre>
      */
     public com.google.cloud.vertexai.api.DirectRawPredictResponse directRawPredict(
-        com.google.cloud.vertexai.api.DirectRawPredictRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.DirectRawPredictRequest request)
+        throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getDirectRawPredictMethod(), getCallOptions(), request);
     }
 
@@ -1385,8 +1462,8 @@ public com.google.cloud.vertexai.api.DirectRawPredictResponse directRawPredict(
      * </pre>
      */
     public com.google.cloud.vertexai.api.ExplainResponse explain(
-        com.google.cloud.vertexai.api.ExplainRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.ExplainRequest request) throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getExplainMethod(), getCallOptions(), request);
     }
 
@@ -1398,8 +1475,9 @@ public com.google.cloud.vertexai.api.ExplainResponse explain(
      * </pre>
      */
     public com.google.cloud.vertexai.api.GenerateContentResponse generateContent(
-        com.google.cloud.vertexai.api.GenerateContentRequest request) {
-      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+        com.google.cloud.vertexai.api.GenerateContentRequest request)
+        throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
           getChannel(), getGenerateContentMethod(), getCallOptions(), request);
     }
 
@@ -1416,6 +1494,19 @@ public com.google.cloud.vertexai.api.GenerateContentResponse generateContent(
       return io.grpc.stub.ClientCalls.blockingV2ServerStreamingCall(
           getChannel(), getStreamGenerateContentMethod(), getCallOptions(), request);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Embed content with multimodal inputs.
+     * </pre>
+     */
+    public com.google.cloud.vertexai.api.EmbedContentResponse embedContent(
+        com.google.cloud.vertexai.api.EmbedContentRequest request) throws io.grpc.StatusException {
+      return io.grpc.stub.ClientCalls.blockingV2UnaryCall(
+          getChannel(), getEmbedContentMethod(), getCallOptions(), request);
+    }
   }
 
   /**
@@ -1573,6 +1664,19 @@ public com.google.cloud.vertexai.api.GenerateContentResponse generateContent(
       return io.grpc.stub.ClientCalls.blockingServerStreamingCall(
           getChannel(), getStreamGenerateContentMethod(), getCallOptions(), request);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Embed content with multimodal inputs.
+     * </pre>
+     */
+    public com.google.cloud.vertexai.api.EmbedContentResponse embedContent(
+        com.google.cloud.vertexai.api.EmbedContentRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getEmbedContentMethod(), getCallOptions(), request);
+    }
   }
 
   /**
@@ -1694,6 +1798,20 @@ public com.google.common.util.concurrent.ListenableFuture<com.google.api.HttpBod
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getGenerateContentMethod(), getCallOptions()), request);
     }
+
+    /**
+     *
+     *
+     * <pre>
+     * Embed content with multimodal inputs.
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<
+            com.google.cloud.vertexai.api.EmbedContentResponse>
+        embedContent(com.google.cloud.vertexai.api.EmbedContentRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getEmbedContentMethod(), getCallOptions()), request);
+    }
   }
 
   private static final int METHODID_PREDICT = 0;
@@ -1705,10 +1823,11 @@ public com.google.common.util.concurrent.ListenableFuture<com.google.api.HttpBod
   private static final int METHODID_EXPLAIN = 6;
   private static final int METHODID_GENERATE_CONTENT = 7;
   private static final int METHODID_STREAM_GENERATE_CONTENT = 8;
-  private static final int METHODID_STREAM_DIRECT_PREDICT = 9;
-  private static final int METHODID_STREAM_DIRECT_RAW_PREDICT = 10;
-  private static final int METHODID_STREAMING_PREDICT = 11;
-  private static final int METHODID_STREAMING_RAW_PREDICT = 12;
+  private static final int METHODID_EMBED_CONTENT = 9;
+  private static final int METHODID_STREAM_DIRECT_PREDICT = 10;
+  private static final int METHODID_STREAM_DIRECT_RAW_PREDICT = 11;
+  private static final int METHODID_STREAMING_PREDICT = 12;
+  private static final int METHODID_STREAMING_RAW_PREDICT = 13;
 
   private static final class MethodHandlers<Req, Resp>
       implements io.grpc.stub.ServerCalls.UnaryMethod<Req, Resp>,
@@ -1779,6 +1898,12 @@ public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserv
               (io.grpc.stub.StreamObserver<com.google.cloud.vertexai.api.GenerateContentResponse>)
                   responseObserver);
           break;
+        case METHODID_EMBED_CONTENT:
+          serviceImpl.embedContent(
+              (com.google.cloud.vertexai.api.EmbedContentRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.cloud.vertexai.api.EmbedContentResponse>)
+                  responseObserver);
+          break;
         default:
           throw new AssertionError();
       }
@@ -1908,6 +2033,13 @@ public static final io.grpc.ServerServiceDefinition bindService(AsyncService ser
                     com.google.cloud.vertexai.api.GenerateContentRequest,
                     com.google.cloud.vertexai.api.GenerateContentResponse>(
                     service, METHODID_STREAM_GENERATE_CONTENT)))
+        .addMethod(
+            getEmbedContentMethod(),
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
+                new MethodHandlers<
+                    com.google.cloud.vertexai.api.EmbedContentRequest,
+                    com.google.cloud.vertexai.api.EmbedContentResponse>(
+                    service, METHODID_EMBED_CONTENT)))
         .build();
   }
 
@@ -1972,6 +2104,7 @@ public static io.grpc.ServiceDescriptor getServiceDescriptor() {
                       .addMethod(getExplainMethod())
                       .addMethod(getGenerateContentMethod())
                       .addMethod(getStreamGenerateContentMethod())
+                      .addMethod(getEmbedContentMethod())
                       .build();
         }
       }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/clirr-ignored-differences.xml b/java-vertexai/proto-google-cloud-vertexai-v1/clirr-ignored-differences.xml
index 17ef7c05db84..9bc463583767 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/clirr-ignored-differences.xml
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/clirr-ignored-differences.xml
@@ -16,7 +16,8 @@
     <className>com/google/cloud/vertexai/api/*OrBuilder</className>
     <method>boolean has*(*)</method>
   </difference>
-  <!-- The following 7006 exemptions are related to Protobuf 4.27.4 upgrade -->
+
+  <!-- The following 7006 exemptions are related to Protobuf 4.27.4+ runtime upgrade -->
   <difference>
     <differenceType>7006</differenceType>
     <className>com/google/cloud/vertexai/api/**</className>
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AcceleratorType.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AcceleratorType.java
index 6a16eb734f2c..a76203acbd48 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AcceleratorType.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AcceleratorType.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/accelerator_type.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,6 +29,7 @@
  *
  * Protobuf enum {@code google.cloud.vertexai.v1.AcceleratorType}
  */
+@com.google.protobuf.Generated
 public enum AcceleratorType implements com.google.protobuf.ProtocolMessageEnum {
   /**
    *
@@ -141,6 +143,46 @@ public enum AcceleratorType implements com.google.protobuf.ProtocolMessageEnum {
    * <code>NVIDIA_H100_MEGA_80GB = 14;</code>
    */
   NVIDIA_H100_MEGA_80GB(14),
+  /**
+   *
+   *
+   * <pre>
+   * Nvidia H200 141Gb GPU.
+   * </pre>
+   *
+   * <code>NVIDIA_H200_141GB = 15;</code>
+   */
+  NVIDIA_H200_141GB(15),
+  /**
+   *
+   *
+   * <pre>
+   * Nvidia B200 GPU.
+   * </pre>
+   *
+   * <code>NVIDIA_B200 = 16;</code>
+   */
+  NVIDIA_B200(16),
+  /**
+   *
+   *
+   * <pre>
+   * Nvidia GB200 GPU.
+   * </pre>
+   *
+   * <code>NVIDIA_GB200 = 17;</code>
+   */
+  NVIDIA_GB200(17),
+  /**
+   *
+   *
+   * <pre>
+   * Nvidia RTX Pro 6000 GPU.
+   * </pre>
+   *
+   * <code>NVIDIA_RTX_PRO_6000 = 18;</code>
+   */
+  NVIDIA_RTX_PRO_6000(18),
   /**
    *
    *
@@ -184,6 +226,16 @@ public enum AcceleratorType implements com.google.protobuf.ProtocolMessageEnum {
   UNRECOGNIZED(-1),
   ;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "AcceleratorType");
+  }
+
   /**
    *
    *
@@ -306,6 +358,50 @@ public enum AcceleratorType implements com.google.protobuf.ProtocolMessageEnum {
    */
   public static final int NVIDIA_H100_MEGA_80GB_VALUE = 14;
 
+  /**
+   *
+   *
+   * <pre>
+   * Nvidia H200 141Gb GPU.
+   * </pre>
+   *
+   * <code>NVIDIA_H200_141GB = 15;</code>
+   */
+  public static final int NVIDIA_H200_141GB_VALUE = 15;
+
+  /**
+   *
+   *
+   * <pre>
+   * Nvidia B200 GPU.
+   * </pre>
+   *
+   * <code>NVIDIA_B200 = 16;</code>
+   */
+  public static final int NVIDIA_B200_VALUE = 16;
+
+  /**
+   *
+   *
+   * <pre>
+   * Nvidia GB200 GPU.
+   * </pre>
+   *
+   * <code>NVIDIA_GB200 = 17;</code>
+   */
+  public static final int NVIDIA_GB200_VALUE = 17;
+
+  /**
+   *
+   *
+   * <pre>
+   * Nvidia RTX Pro 6000 GPU.
+   * </pre>
+   *
+   * <code>NVIDIA_RTX_PRO_6000 = 18;</code>
+   */
+  public static final int NVIDIA_RTX_PRO_6000_VALUE = 18;
+
   /**
    *
    *
@@ -396,6 +492,14 @@ public static AcceleratorType forNumber(int value) {
         return NVIDIA_H100_80GB;
       case 14:
         return NVIDIA_H100_MEGA_80GB;
+      case 15:
+        return NVIDIA_H200_141GB;
+      case 16:
+        return NVIDIA_B200;
+      case 17:
+        return NVIDIA_GB200;
+      case 18:
+        return NVIDIA_RTX_PRO_6000;
       case 6:
         return TPU_V2;
       case 7:
@@ -432,7 +536,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
     return getDescriptor();
   }
 
-  public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+  public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
     return com.google.cloud.vertexai.api.AcceleratorTypeProto.getDescriptor().getEnumTypes().get(0);
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AcceleratorTypeProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AcceleratorTypeProto.java
index e394cfda14de..dd505188a108 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AcceleratorTypeProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AcceleratorTypeProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/accelerator_type.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class AcceleratorTypeProto {
+@com.google.protobuf.Generated
+public final class AcceleratorTypeProto extends com.google.protobuf.GeneratedFile {
   private AcceleratorTypeProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "AcceleratorTypeProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -37,25 +49,28 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
   static {
     java.lang.String[] descriptorData = {
       "\n/google/cloud/vertexai/v1/accelerator_t"
-          + "ype.proto\022\030google.cloud.vertexai.v1*\316\002\n\017"
+          + "ype.proto\022\030google.cloud.vertexai.v1*\241\003\n\017"
           + "AcceleratorType\022 \n\034ACCELERATOR_TYPE_UNSP"
           + "ECIFIED\020\000\022\030\n\020NVIDIA_TESLA_K80\020\001\032\002\010\001\022\025\n\021N"
           + "VIDIA_TESLA_P100\020\002\022\025\n\021NVIDIA_TESLA_V100\020"
           + "\003\022\023\n\017NVIDIA_TESLA_P4\020\004\022\023\n\017NVIDIA_TESLA_T"
           + "4\020\005\022\025\n\021NVIDIA_TESLA_A100\020\010\022\024\n\020NVIDIA_A10"
           + "0_80GB\020\t\022\r\n\tNVIDIA_L4\020\013\022\024\n\020NVIDIA_H100_8"
-          + "0GB\020\r\022\031\n\025NVIDIA_H100_MEGA_80GB\020\016\022\n\n\006TPU_"
-          + "V2\020\006\022\n\n\006TPU_V3\020\007\022\016\n\nTPU_V4_POD\020\n\022\022\n\016TPU_"
-          + "V5_LITEPOD\020\014B\321\001\n\035com.google.cloud.vertex"
-          + "ai.apiB\024AcceleratorTypeProtoP\001Z>cloud.go"
-          + "ogle.com/go/aiplatform/apiv1/aiplatformp"
-          + "b;aiplatformpb\252\002\032Google.Cloud.AIPlatform"
-          + ".V1\312\002\032Google\\Cloud\\AIPlatform\\V1\352\002\035Googl"
-          + "e::Cloud::AIPlatform::V1b\006proto3"
+          + "0GB\020\r\022\031\n\025NVIDIA_H100_MEGA_80GB\020\016\022\025\n\021NVID"
+          + "IA_H200_141GB\020\017\022\017\n\013NVIDIA_B200\020\020\022\020\n\014NVID"
+          + "IA_GB200\020\021\022\027\n\023NVIDIA_RTX_PRO_6000\020\022\022\n\n\006T"
+          + "PU_V2\020\006\022\n\n\006TPU_V3\020\007\022\016\n\nTPU_V4_POD\020\n\022\022\n\016T"
+          + "PU_V5_LITEPOD\020\014B\321\001\n\035com.google.cloud.ver"
+          + "texai.apiB\024AcceleratorTypeProtoP\001Z>cloud"
+          + ".google.com/go/aiplatform/apiv1/aiplatfo"
+          + "rmpb;aiplatformpb\252\002\032Google.Cloud.AIPlatf"
+          + "orm.V1\312\002\032Google\\Cloud\\AIPlatform\\V1\352\002\035Go"
+          + "ogle::Cloud::AIPlatform::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
             descriptorData, new com.google.protobuf.Descriptors.FileDescriptor[] {});
+    descriptor.resolveAllFeaturesImmutable();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ApiAuth.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ApiAuth.java
index db63f9f8e0af..8541389c85ba 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ApiAuth.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ApiAuth.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/api_auth.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ApiAuth}
  */
-public final class ApiAuth extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ApiAuth extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ApiAuth)
     ApiAuthOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ApiAuth");
+  }
+
   // Use ApiAuth.newBuilder() to construct.
-  private ApiAuth(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ApiAuth(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private ApiAuth() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ApiAuth();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ApiAuthProto
         .internal_static_google_cloud_vertexai_v1_ApiAuth_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ApiAuthProto
         .internal_static_google_cloud_vertexai_v1_ApiAuth_fieldAccessorTable
@@ -109,14 +115,24 @@ public interface ApiKeyConfigOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ApiAuth.ApiKeyConfig}
    */
-  public static final class ApiKeyConfig extends com.google.protobuf.GeneratedMessageV3
+  public static final class ApiKeyConfig extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ApiAuth.ApiKeyConfig)
       ApiKeyConfigOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "ApiKeyConfig");
+    }
+
     // Use ApiKeyConfig.newBuilder() to construct.
-    private ApiKeyConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private ApiKeyConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -124,19 +140,13 @@ private ApiKeyConfig() {
       apiKeySecretVersion_ = "";
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new ApiKeyConfig();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ApiAuthProto
           .internal_static_google_cloud_vertexai_v1_ApiAuth_ApiKeyConfig_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ApiAuthProto
           .internal_static_google_cloud_vertexai_v1_ApiAuth_ApiKeyConfig_fieldAccessorTable
@@ -218,8 +228,8 @@ public final boolean isInitialized() {
 
     @java.lang.Override
     public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(apiKeySecretVersion_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, apiKeySecretVersion_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(apiKeySecretVersion_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, apiKeySecretVersion_);
       }
       getUnknownFields().writeTo(output);
     }
@@ -230,8 +240,8 @@ public int getSerializedSize() {
       if (size != -1) return size;
 
       size = 0;
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(apiKeySecretVersion_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, apiKeySecretVersion_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(apiKeySecretVersion_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, apiKeySecretVersion_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSize = size;
@@ -305,38 +315,38 @@ public static com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig parseFrom(
 
     public static com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -359,8 +369,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -374,8 +383,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.ApiAuth.ApiKeyConfig}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ApiAuth.ApiKeyConfig)
         com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder {
@@ -385,7 +393,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ApiAuthProto
             .internal_static_google_cloud_vertexai_v1_ApiAuth_ApiKeyConfig_fieldAccessorTable
@@ -397,7 +405,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // Construct using com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -447,41 +455,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig re
         }
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig) {
@@ -677,18 +650,6 @@ public Builder setApiKeySecretVersionBytes(com.google.protobuf.ByteString value)
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ApiAuth.ApiKeyConfig)
     }
 
@@ -956,38 +917,38 @@ public static com.google.cloud.vertexai.api.ApiAuth parseFrom(
 
   public static com.google.cloud.vertexai.api.ApiAuth parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ApiAuth parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ApiAuth parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ApiAuth parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ApiAuth parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ApiAuth parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -1010,7 +971,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -1024,7 +985,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ApiAuth}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ApiAuth)
       com.google.cloud.vertexai.api.ApiAuthOrBuilder {
@@ -1034,7 +995,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ApiAuthProto
           .internal_static_google_cloud_vertexai_v1_ApiAuth_fieldAccessorTable
@@ -1046,7 +1007,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.ApiAuth.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -1106,39 +1067,6 @@ private void buildPartialOneofs(com.google.cloud.vertexai.api.ApiAuth result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ApiAuth) {
@@ -1190,7 +1118,8 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getApiKeyConfigFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetApiKeyConfigFieldBuilder().getBuilder(), extensionRegistry);
                 authConfigCase_ = 1;
                 break;
               } // case 10
@@ -1227,7 +1156,7 @@ public Builder clearAuthConfig() {
 
     private int bitField0_;
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig,
             com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder,
             com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder>
@@ -1389,7 +1318,7 @@ public Builder clearApiKeyConfig() {
      * <code>.google.cloud.vertexai.v1.ApiAuth.ApiKeyConfig api_key_config = 1;</code>
      */
     public com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder getApiKeyConfigBuilder() {
-      return getApiKeyConfigFieldBuilder().getBuilder();
+      return internalGetApiKeyConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -1422,17 +1351,17 @@ public com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder getApiKeyConf
      *
      * <code>.google.cloud.vertexai.v1.ApiAuth.ApiKeyConfig api_key_config = 1;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig,
             com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder,
             com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder>
-        getApiKeyConfigFieldBuilder() {
+        internalGetApiKeyConfigFieldBuilder() {
       if (apiKeyConfigBuilder_ == null) {
         if (!(authConfigCase_ == 1)) {
           authConfig_ = com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.getDefaultInstance();
         }
         apiKeyConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig,
                 com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder,
                 com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder>(
@@ -1446,17 +1375,6 @@ public com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder getApiKeyConf
       return apiKeyConfigBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ApiAuth)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ApiAuthOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ApiAuthOrBuilder.java
index 7263667f693e..94b7bb69ce16 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ApiAuthOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ApiAuthOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/api_auth.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ApiAuthOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ApiAuth)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ApiAuthProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ApiAuthProto.java
index d522be67c5a7..c8a956c257d6 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ApiAuthProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ApiAuthProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/api_auth.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class ApiAuthProto {
+@com.google.protobuf.Generated
+public final class ApiAuthProto extends com.google.protobuf.GeneratedFile {
   private ApiAuthProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ApiAuthProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,11 +42,11 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ApiAuth_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ApiAuth_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ApiAuth_ApiKeyConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ApiAuth_ApiKeyConfig_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -70,22 +82,24 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.api.FieldBehaviorProto.getDescriptor(),
               com.google.api.ResourceProto.getDescriptor(),
             });
-    internal_static_google_cloud_vertexai_v1_ApiAuth_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+    internal_static_google_cloud_vertexai_v1_ApiAuth_descriptor = getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_ApiAuth_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ApiAuth_descriptor,
             new java.lang.String[] {
               "ApiKeyConfig", "AuthConfig",
             });
     internal_static_google_cloud_vertexai_v1_ApiAuth_ApiKeyConfig_descriptor =
-        internal_static_google_cloud_vertexai_v1_ApiAuth_descriptor.getNestedTypes().get(0);
+        internal_static_google_cloud_vertexai_v1_ApiAuth_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_ApiAuth_ApiKeyConfig_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ApiAuth_ApiKeyConfig_descriptor,
             new java.lang.String[] {
               "ApiKeySecretVersion",
             });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
@@ -93,8 +107,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     registry.add(com.google.api.ResourceProto.resourceReference);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.api.ResourceProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Attribution.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Attribution.java
index 45c6a07cb87f..bd1207c92770 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Attribution.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Attribution.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Attribution}
  */
-public final class Attribution extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Attribution extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Attribution)
     AttributionOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Attribution");
+  }
+
   // Use Attribution.newBuilder() to construct.
-  private Attribution(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Attribution(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,13 @@ private Attribution() {
     outputName_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Attribution();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_Attribution_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_Attribution_fieldAccessorTable
@@ -142,17 +148,17 @@ public double getInstanceOutputValue() {
    *
    * The format of the value is determined by the feature's input format:
    *
-   *   * If the feature is a scalar value, the attribution value is a
-   *     [floating number][google.protobuf.Value.number_value].
+   * * If the feature is a scalar value, the attribution value is a
+   * [floating number][google.protobuf.Value.number_value].
    *
-   *   * If the feature is an array of scalar values, the attribution value is
-   *     an [array][google.protobuf.Value.list_value].
+   * * If the feature is an array of scalar values, the attribution value is
+   * an [array][google.protobuf.Value.list_value].
    *
-   *   * If the feature is a struct, the attribution value is a
-   *     [struct][google.protobuf.Value.struct_value]. The keys in the
-   *     attribution value struct are the same as the keys in the feature
-   *     struct. The formats of the values in the attribution struct are
-   *     determined by the formats of the values in the feature struct.
+   * * If the feature is a struct, the attribution value is a
+   * [struct][google.protobuf.Value.struct_value]. The keys in the
+   * attribution value struct are the same as the keys in the feature
+   * struct. The formats of the values in the attribution struct are
+   * determined by the formats of the values in the feature struct.
    *
    * The
    * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
@@ -191,17 +197,17 @@ public boolean hasFeatureAttributions() {
    *
    * The format of the value is determined by the feature's input format:
    *
-   *   * If the feature is a scalar value, the attribution value is a
-   *     [floating number][google.protobuf.Value.number_value].
+   * * If the feature is a scalar value, the attribution value is a
+   * [floating number][google.protobuf.Value.number_value].
    *
-   *   * If the feature is an array of scalar values, the attribution value is
-   *     an [array][google.protobuf.Value.list_value].
+   * * If the feature is an array of scalar values, the attribution value is
+   * an [array][google.protobuf.Value.list_value].
    *
-   *   * If the feature is a struct, the attribution value is a
-   *     [struct][google.protobuf.Value.struct_value]. The keys in the
-   *     attribution value struct are the same as the keys in the feature
-   *     struct. The formats of the values in the attribution struct are
-   *     determined by the formats of the values in the feature struct.
+   * * If the feature is a struct, the attribution value is a
+   * [struct][google.protobuf.Value.struct_value]. The keys in the
+   * attribution value struct are the same as the keys in the feature
+   * struct. The formats of the values in the attribution struct are
+   * determined by the formats of the values in the feature struct.
    *
    * The
    * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
@@ -242,17 +248,17 @@ public com.google.protobuf.Value getFeatureAttributions() {
    *
    * The format of the value is determined by the feature's input format:
    *
-   *   * If the feature is a scalar value, the attribution value is a
-   *     [floating number][google.protobuf.Value.number_value].
+   * * If the feature is a scalar value, the attribution value is a
+   * [floating number][google.protobuf.Value.number_value].
    *
-   *   * If the feature is an array of scalar values, the attribution value is
-   *     an [array][google.protobuf.Value.list_value].
+   * * If the feature is an array of scalar values, the attribution value is
+   * an [array][google.protobuf.Value.list_value].
    *
-   *   * If the feature is a struct, the attribution value is a
-   *     [struct][google.protobuf.Value.struct_value]. The keys in the
-   *     attribution value struct are the same as the keys in the feature
-   *     struct. The formats of the values in the attribution struct are
-   *     determined by the formats of the values in the feature struct.
+   * * If the feature is a struct, the attribution value is a
+   * [struct][google.protobuf.Value.struct_value]. The keys in the
+   * attribution value struct are the same as the keys in the feature
+   * struct. The formats of the values in the attribution struct are
+   * determined by the formats of the values in the feature struct.
    *
    * The
    * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
@@ -540,14 +546,14 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     for (int i = 0; i < outputIndex_.size(); i++) {
       output.writeInt32NoTag(outputIndex_.getInt(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputDisplayName_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, outputDisplayName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(outputDisplayName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 5, outputDisplayName_);
     }
     if (java.lang.Double.doubleToRawLongBits(approximationError_) != 0) {
       output.writeDouble(6, approximationError_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputName_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 7, outputName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(outputName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 7, outputName_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -580,14 +586,14 @@ public int getSerializedSize() {
       }
       outputIndexMemoizedSerializedSize = dataSize;
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputDisplayName_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, outputDisplayName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(outputDisplayName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(5, outputDisplayName_);
     }
     if (java.lang.Double.doubleToRawLongBits(approximationError_) != 0) {
       size += com.google.protobuf.CodedOutputStream.computeDoubleSize(6, approximationError_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputName_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(7, outputName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(outputName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(7, outputName_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -698,38 +704,38 @@ public static com.google.cloud.vertexai.api.Attribution parseFrom(
 
   public static com.google.cloud.vertexai.api.Attribution parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Attribution parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Attribution parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Attribution parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Attribution parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Attribution parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -752,7 +758,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -766,7 +772,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Attribution}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Attribution)
       com.google.cloud.vertexai.api.AttributionOrBuilder {
@@ -776,7 +782,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_Attribution_fieldAccessorTable
@@ -790,14 +796,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getFeatureAttributionsFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetFeatureAttributionsFieldBuilder();
       }
     }
 
@@ -882,39 +888,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.Attribution result) {
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Attribution) {
@@ -927,10 +900,10 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
 
     public Builder mergeFrom(com.google.cloud.vertexai.api.Attribution other) {
       if (other == com.google.cloud.vertexai.api.Attribution.getDefaultInstance()) return this;
-      if (other.getBaselineOutputValue() != 0D) {
+      if (java.lang.Double.doubleToRawLongBits(other.getBaselineOutputValue()) != 0) {
         setBaselineOutputValue(other.getBaselineOutputValue());
       }
-      if (other.getInstanceOutputValue() != 0D) {
+      if (java.lang.Double.doubleToRawLongBits(other.getInstanceOutputValue()) != 0) {
         setInstanceOutputValue(other.getInstanceOutputValue());
       }
       if (other.hasFeatureAttributions()) {
@@ -952,7 +925,7 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Attribution other) {
         bitField0_ |= 0x00000010;
         onChanged();
       }
-      if (other.getApproximationError() != 0D) {
+      if (java.lang.Double.doubleToRawLongBits(other.getApproximationError()) != 0) {
         setApproximationError(other.getApproximationError());
       }
       if (!other.getOutputName().isEmpty()) {
@@ -1001,7 +974,7 @@ public Builder mergeFrom(
             case 26:
               {
                 input.readMessage(
-                    getFeatureAttributionsFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetFeatureAttributionsFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 26
@@ -1224,7 +1197,7 @@ public Builder clearInstanceOutputValue() {
     }
 
     private com.google.protobuf.Value featureAttributions_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
@@ -1247,17 +1220,17 @@ public Builder clearInstanceOutputValue() {
      *
      * The format of the value is determined by the feature's input format:
      *
-     *   * If the feature is a scalar value, the attribution value is a
-     *     [floating number][google.protobuf.Value.number_value].
+     * * If the feature is a scalar value, the attribution value is a
+     * [floating number][google.protobuf.Value.number_value].
      *
-     *   * If the feature is an array of scalar values, the attribution value is
-     *     an [array][google.protobuf.Value.list_value].
+     * * If the feature is an array of scalar values, the attribution value is
+     * an [array][google.protobuf.Value.list_value].
      *
-     *   * If the feature is a struct, the attribution value is a
-     *     [struct][google.protobuf.Value.struct_value]. The keys in the
-     *     attribution value struct are the same as the keys in the feature
-     *     struct. The formats of the values in the attribution struct are
-     *     determined by the formats of the values in the feature struct.
+     * * If the feature is a struct, the attribution value is a
+     * [struct][google.protobuf.Value.struct_value]. The keys in the
+     * attribution value struct are the same as the keys in the feature
+     * struct. The formats of the values in the attribution struct are
+     * determined by the formats of the values in the feature struct.
      *
      * The
      * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
@@ -1295,17 +1268,17 @@ public boolean hasFeatureAttributions() {
      *
      * The format of the value is determined by the feature's input format:
      *
-     *   * If the feature is a scalar value, the attribution value is a
-     *     [floating number][google.protobuf.Value.number_value].
+     * * If the feature is a scalar value, the attribution value is a
+     * [floating number][google.protobuf.Value.number_value].
      *
-     *   * If the feature is an array of scalar values, the attribution value is
-     *     an [array][google.protobuf.Value.list_value].
+     * * If the feature is an array of scalar values, the attribution value is
+     * an [array][google.protobuf.Value.list_value].
      *
-     *   * If the feature is a struct, the attribution value is a
-     *     [struct][google.protobuf.Value.struct_value]. The keys in the
-     *     attribution value struct are the same as the keys in the feature
-     *     struct. The formats of the values in the attribution struct are
-     *     determined by the formats of the values in the feature struct.
+     * * If the feature is a struct, the attribution value is a
+     * [struct][google.protobuf.Value.struct_value]. The keys in the
+     * attribution value struct are the same as the keys in the feature
+     * struct. The formats of the values in the attribution struct are
+     * determined by the formats of the values in the feature struct.
      *
      * The
      * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
@@ -1349,17 +1322,17 @@ public com.google.protobuf.Value getFeatureAttributions() {
      *
      * The format of the value is determined by the feature's input format:
      *
-     *   * If the feature is a scalar value, the attribution value is a
-     *     [floating number][google.protobuf.Value.number_value].
+     * * If the feature is a scalar value, the attribution value is a
+     * [floating number][google.protobuf.Value.number_value].
      *
-     *   * If the feature is an array of scalar values, the attribution value is
-     *     an [array][google.protobuf.Value.list_value].
+     * * If the feature is an array of scalar values, the attribution value is
+     * an [array][google.protobuf.Value.list_value].
      *
-     *   * If the feature is a struct, the attribution value is a
-     *     [struct][google.protobuf.Value.struct_value]. The keys in the
-     *     attribution value struct are the same as the keys in the feature
-     *     struct. The formats of the values in the attribution struct are
-     *     determined by the formats of the values in the feature struct.
+     * * If the feature is a struct, the attribution value is a
+     * [struct][google.protobuf.Value.struct_value]. The keys in the
+     * attribution value struct are the same as the keys in the feature
+     * struct. The formats of the values in the attribution struct are
+     * determined by the formats of the values in the feature struct.
      *
      * The
      * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
@@ -1405,17 +1378,17 @@ public Builder setFeatureAttributions(com.google.protobuf.Value value) {
      *
      * The format of the value is determined by the feature's input format:
      *
-     *   * If the feature is a scalar value, the attribution value is a
-     *     [floating number][google.protobuf.Value.number_value].
+     * * If the feature is a scalar value, the attribution value is a
+     * [floating number][google.protobuf.Value.number_value].
      *
-     *   * If the feature is an array of scalar values, the attribution value is
-     *     an [array][google.protobuf.Value.list_value].
+     * * If the feature is an array of scalar values, the attribution value is
+     * an [array][google.protobuf.Value.list_value].
      *
-     *   * If the feature is a struct, the attribution value is a
-     *     [struct][google.protobuf.Value.struct_value]. The keys in the
-     *     attribution value struct are the same as the keys in the feature
-     *     struct. The formats of the values in the attribution struct are
-     *     determined by the formats of the values in the feature struct.
+     * * If the feature is a struct, the attribution value is a
+     * [struct][google.protobuf.Value.struct_value]. The keys in the
+     * attribution value struct are the same as the keys in the feature
+     * struct. The formats of the values in the attribution struct are
+     * determined by the formats of the values in the feature struct.
      *
      * The
      * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
@@ -1458,17 +1431,17 @@ public Builder setFeatureAttributions(com.google.protobuf.Value.Builder builderF
      *
      * The format of the value is determined by the feature's input format:
      *
-     *   * If the feature is a scalar value, the attribution value is a
-     *     [floating number][google.protobuf.Value.number_value].
+     * * If the feature is a scalar value, the attribution value is a
+     * [floating number][google.protobuf.Value.number_value].
      *
-     *   * If the feature is an array of scalar values, the attribution value is
-     *     an [array][google.protobuf.Value.list_value].
+     * * If the feature is an array of scalar values, the attribution value is
+     * an [array][google.protobuf.Value.list_value].
      *
-     *   * If the feature is a struct, the attribution value is a
-     *     [struct][google.protobuf.Value.struct_value]. The keys in the
-     *     attribution value struct are the same as the keys in the feature
-     *     struct. The formats of the values in the attribution struct are
-     *     determined by the formats of the values in the feature struct.
+     * * If the feature is a struct, the attribution value is a
+     * [struct][google.protobuf.Value.struct_value]. The keys in the
+     * attribution value struct are the same as the keys in the feature
+     * struct. The formats of the values in the attribution struct are
+     * determined by the formats of the values in the feature struct.
      *
      * The
      * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
@@ -1519,17 +1492,17 @@ public Builder mergeFeatureAttributions(com.google.protobuf.Value value) {
      *
      * The format of the value is determined by the feature's input format:
      *
-     *   * If the feature is a scalar value, the attribution value is a
-     *     [floating number][google.protobuf.Value.number_value].
+     * * If the feature is a scalar value, the attribution value is a
+     * [floating number][google.protobuf.Value.number_value].
      *
-     *   * If the feature is an array of scalar values, the attribution value is
-     *     an [array][google.protobuf.Value.list_value].
+     * * If the feature is an array of scalar values, the attribution value is
+     * an [array][google.protobuf.Value.list_value].
      *
-     *   * If the feature is a struct, the attribution value is a
-     *     [struct][google.protobuf.Value.struct_value]. The keys in the
-     *     attribution value struct are the same as the keys in the feature
-     *     struct. The formats of the values in the attribution struct are
-     *     determined by the formats of the values in the feature struct.
+     * * If the feature is a struct, the attribution value is a
+     * [struct][google.protobuf.Value.struct_value]. The keys in the
+     * attribution value struct are the same as the keys in the feature
+     * struct. The formats of the values in the attribution struct are
+     * determined by the formats of the values in the feature struct.
      *
      * The
      * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
@@ -1572,17 +1545,17 @@ public Builder clearFeatureAttributions() {
      *
      * The format of the value is determined by the feature's input format:
      *
-     *   * If the feature is a scalar value, the attribution value is a
-     *     [floating number][google.protobuf.Value.number_value].
+     * * If the feature is a scalar value, the attribution value is a
+     * [floating number][google.protobuf.Value.number_value].
      *
-     *   * If the feature is an array of scalar values, the attribution value is
-     *     an [array][google.protobuf.Value.list_value].
+     * * If the feature is an array of scalar values, the attribution value is
+     * an [array][google.protobuf.Value.list_value].
      *
-     *   * If the feature is a struct, the attribution value is a
-     *     [struct][google.protobuf.Value.struct_value]. The keys in the
-     *     attribution value struct are the same as the keys in the feature
-     *     struct. The formats of the values in the attribution struct are
-     *     determined by the formats of the values in the feature struct.
+     * * If the feature is a struct, the attribution value is a
+     * [struct][google.protobuf.Value.struct_value]. The keys in the
+     * attribution value struct are the same as the keys in the feature
+     * struct. The formats of the values in the attribution struct are
+     * determined by the formats of the values in the feature struct.
      *
      * The
      * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
@@ -1600,7 +1573,7 @@ public Builder clearFeatureAttributions() {
     public com.google.protobuf.Value.Builder getFeatureAttributionsBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getFeatureAttributionsFieldBuilder().getBuilder();
+      return internalGetFeatureAttributionsFieldBuilder().getBuilder();
     }
 
     /**
@@ -1620,17 +1593,17 @@ public com.google.protobuf.Value.Builder getFeatureAttributionsBuilder() {
      *
      * The format of the value is determined by the feature's input format:
      *
-     *   * If the feature is a scalar value, the attribution value is a
-     *     [floating number][google.protobuf.Value.number_value].
+     * * If the feature is a scalar value, the attribution value is a
+     * [floating number][google.protobuf.Value.number_value].
      *
-     *   * If the feature is an array of scalar values, the attribution value is
-     *     an [array][google.protobuf.Value.list_value].
+     * * If the feature is an array of scalar values, the attribution value is
+     * an [array][google.protobuf.Value.list_value].
      *
-     *   * If the feature is a struct, the attribution value is a
-     *     [struct][google.protobuf.Value.struct_value]. The keys in the
-     *     attribution value struct are the same as the keys in the feature
-     *     struct. The formats of the values in the attribution struct are
-     *     determined by the formats of the values in the feature struct.
+     * * If the feature is a struct, the attribution value is a
+     * [struct][google.protobuf.Value.struct_value]. The keys in the
+     * attribution value struct are the same as the keys in the feature
+     * struct. The formats of the values in the attribution struct are
+     * determined by the formats of the values in the feature struct.
      *
      * The
      * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
@@ -1672,17 +1645,17 @@ public com.google.protobuf.ValueOrBuilder getFeatureAttributionsOrBuilder() {
      *
      * The format of the value is determined by the feature's input format:
      *
-     *   * If the feature is a scalar value, the attribution value is a
-     *     [floating number][google.protobuf.Value.number_value].
+     * * If the feature is a scalar value, the attribution value is a
+     * [floating number][google.protobuf.Value.number_value].
      *
-     *   * If the feature is an array of scalar values, the attribution value is
-     *     an [array][google.protobuf.Value.list_value].
+     * * If the feature is an array of scalar values, the attribution value is
+     * an [array][google.protobuf.Value.list_value].
      *
-     *   * If the feature is a struct, the attribution value is a
-     *     [struct][google.protobuf.Value.struct_value]. The keys in the
-     *     attribution value struct are the same as the keys in the feature
-     *     struct. The formats of the values in the attribution struct are
-     *     determined by the formats of the values in the feature struct.
+     * * If the feature is a struct, the attribution value is a
+     * [struct][google.protobuf.Value.struct_value]. The keys in the
+     * attribution value struct are the same as the keys in the feature
+     * struct. The formats of the values in the attribution struct are
+     * determined by the formats of the values in the feature struct.
      *
      * The
      * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
@@ -1697,14 +1670,14 @@ public com.google.protobuf.ValueOrBuilder getFeatureAttributionsOrBuilder() {
      * .google.protobuf.Value feature_attributions = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
-        getFeatureAttributionsFieldBuilder() {
+        internalGetFeatureAttributionsFieldBuilder() {
       if (featureAttributionsBuilder_ == null) {
         featureAttributionsBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Value,
                 com.google.protobuf.Value.Builder,
                 com.google.protobuf.ValueOrBuilder>(
@@ -2277,17 +2250,6 @@ public Builder setOutputNameBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Attribution)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AttributionOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AttributionOrBuilder.java
index da1213364f69..561ada7d704d 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AttributionOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AttributionOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface AttributionOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Attribution)
@@ -84,17 +86,17 @@ public interface AttributionOrBuilder
    *
    * The format of the value is determined by the feature's input format:
    *
-   *   * If the feature is a scalar value, the attribution value is a
-   *     [floating number][google.protobuf.Value.number_value].
+   * * If the feature is a scalar value, the attribution value is a
+   * [floating number][google.protobuf.Value.number_value].
    *
-   *   * If the feature is an array of scalar values, the attribution value is
-   *     an [array][google.protobuf.Value.list_value].
+   * * If the feature is an array of scalar values, the attribution value is
+   * an [array][google.protobuf.Value.list_value].
    *
-   *   * If the feature is a struct, the attribution value is a
-   *     [struct][google.protobuf.Value.struct_value]. The keys in the
-   *     attribution value struct are the same as the keys in the feature
-   *     struct. The formats of the values in the attribution struct are
-   *     determined by the formats of the values in the feature struct.
+   * * If the feature is a struct, the attribution value is a
+   * [struct][google.protobuf.Value.struct_value]. The keys in the
+   * attribution value struct are the same as the keys in the feature
+   * struct. The formats of the values in the attribution struct are
+   * determined by the formats of the values in the feature struct.
    *
    * The
    * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
@@ -130,17 +132,17 @@ public interface AttributionOrBuilder
    *
    * The format of the value is determined by the feature's input format:
    *
-   *   * If the feature is a scalar value, the attribution value is a
-   *     [floating number][google.protobuf.Value.number_value].
+   * * If the feature is a scalar value, the attribution value is a
+   * [floating number][google.protobuf.Value.number_value].
    *
-   *   * If the feature is an array of scalar values, the attribution value is
-   *     an [array][google.protobuf.Value.list_value].
+   * * If the feature is an array of scalar values, the attribution value is
+   * an [array][google.protobuf.Value.list_value].
    *
-   *   * If the feature is a struct, the attribution value is a
-   *     [struct][google.protobuf.Value.struct_value]. The keys in the
-   *     attribution value struct are the same as the keys in the feature
-   *     struct. The formats of the values in the attribution struct are
-   *     determined by the formats of the values in the feature struct.
+   * * If the feature is a struct, the attribution value is a
+   * [struct][google.protobuf.Value.struct_value]. The keys in the
+   * attribution value struct are the same as the keys in the feature
+   * struct. The formats of the values in the attribution struct are
+   * determined by the formats of the values in the feature struct.
    *
    * The
    * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
@@ -176,17 +178,17 @@ public interface AttributionOrBuilder
    *
    * The format of the value is determined by the feature's input format:
    *
-   *   * If the feature is a scalar value, the attribution value is a
-   *     [floating number][google.protobuf.Value.number_value].
+   * * If the feature is a scalar value, the attribution value is a
+   * [floating number][google.protobuf.Value.number_value].
    *
-   *   * If the feature is an array of scalar values, the attribution value is
-   *     an [array][google.protobuf.Value.list_value].
+   * * If the feature is an array of scalar values, the attribution value is
+   * an [array][google.protobuf.Value.list_value].
    *
-   *   * If the feature is a struct, the attribution value is a
-   *     [struct][google.protobuf.Value.struct_value]. The keys in the
-   *     attribution value struct are the same as the keys in the feature
-   *     struct. The formats of the values in the attribution struct are
-   *     determined by the formats of the values in the feature struct.
+   * * If the feature is a struct, the attribution value is a
+   * [struct][google.protobuf.Value.struct_value]. The keys in the
+   * attribution value struct are the same as the keys in the feature
+   * struct. The formats of the values in the attribution struct are
+   * determined by the formats of the values in the feature struct.
    *
    * The
    * [ExplanationMetadata.feature_attributions_schema_uri][google.cloud.aiplatform.v1.ExplanationMetadata.feature_attributions_schema_uri]
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutomaticResources.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutomaticResources.java
index 774ffcd9d508..61bea43ab084 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutomaticResources.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutomaticResources.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -30,32 +31,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.AutomaticResources}
  */
-public final class AutomaticResources extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class AutomaticResources extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.AutomaticResources)
     AutomaticResourcesOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "AutomaticResources");
+  }
+
   // Use AutomaticResources.newBuilder() to construct.
-  private AutomaticResources(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private AutomaticResources(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private AutomaticResources() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new AutomaticResources();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_AutomaticResources_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_AutomaticResources_fieldAccessorTable
@@ -225,38 +231,38 @@ public static com.google.cloud.vertexai.api.AutomaticResources parseFrom(
 
   public static com.google.cloud.vertexai.api.AutomaticResources parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.AutomaticResources parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.AutomaticResources parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.AutomaticResources parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.AutomaticResources parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.AutomaticResources parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -279,7 +285,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -295,7 +301,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.AutomaticResources}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.AutomaticResources)
       com.google.cloud.vertexai.api.AutomaticResourcesOrBuilder {
@@ -305,7 +311,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.MachineResourcesProto
           .internal_static_google_cloud_vertexai_v1_AutomaticResources_fieldAccessorTable
@@ -317,7 +323,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.AutomaticResources.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -371,39 +377,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.AutomaticResources resu
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.AutomaticResources) {
@@ -631,17 +604,6 @@ public Builder clearMaxReplicaCount() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.AutomaticResources)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutomaticResourcesOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutomaticResourcesOrBuilder.java
index 3dfbc366aa9c..00aadc1c3fe3 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutomaticResourcesOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutomaticResourcesOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface AutomaticResourcesOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.AutomaticResources)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutoscalingMetricSpec.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutoscalingMetricSpec.java
index 859e6ff9283f..f834cf0e6f23 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutoscalingMetricSpec.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutoscalingMetricSpec.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -30,14 +31,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.AutoscalingMetricSpec}
  */
-public final class AutoscalingMetricSpec extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class AutoscalingMetricSpec extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.AutoscalingMetricSpec)
     AutoscalingMetricSpecOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "AutoscalingMetricSpec");
+  }
+
   // Use AutoscalingMetricSpec.newBuilder() to construct.
-  private AutoscalingMetricSpec(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private AutoscalingMetricSpec(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,13 @@ private AutoscalingMetricSpec() {
     metricName_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new AutoscalingMetricSpec();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_AutoscalingMetricSpec_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_AutoscalingMetricSpec_fieldAccessorTable
@@ -165,8 +171,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(metricName_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, metricName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(metricName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, metricName_);
     }
     if (target_ != 0) {
       output.writeInt32(2, target_);
@@ -180,8 +186,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(metricName_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, metricName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(metricName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, metricName_);
     }
     if (target_ != 0) {
       size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, target_);
@@ -261,38 +267,38 @@ public static com.google.cloud.vertexai.api.AutoscalingMetricSpec parseFrom(
 
   public static com.google.cloud.vertexai.api.AutoscalingMetricSpec parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.AutoscalingMetricSpec parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.AutoscalingMetricSpec parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.AutoscalingMetricSpec parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.AutoscalingMetricSpec parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.AutoscalingMetricSpec parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -315,7 +321,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -331,7 +337,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.AutoscalingMetricSpec}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.AutoscalingMetricSpec)
       com.google.cloud.vertexai.api.AutoscalingMetricSpecOrBuilder {
@@ -341,7 +347,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.MachineResourcesProto
           .internal_static_google_cloud_vertexai_v1_AutoscalingMetricSpec_fieldAccessorTable
@@ -353,7 +359,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.AutoscalingMetricSpec.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -407,39 +413,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.AutoscalingMetricSpec r
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.AutoscalingMetricSpec) {
@@ -719,17 +692,6 @@ public Builder clearTarget() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.AutoscalingMetricSpec)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutoscalingMetricSpecOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutoscalingMetricSpecOrBuilder.java
index a9cb19171aaa..68cf50d9dcd2 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutoscalingMetricSpecOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AutoscalingMetricSpecOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface AutoscalingMetricSpecOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.AutoscalingMetricSpec)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AvroSource.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AvroSource.java
index 722747245220..4652287f3664 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AvroSource.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AvroSource.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.AvroSource}
  */
-public final class AvroSource extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class AvroSource extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.AvroSource)
     AvroSourceOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "AvroSource");
+  }
+
   // Use AvroSource.newBuilder() to construct.
-  private AvroSource(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private AvroSource(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private AvroSource() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new AvroSource();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_AvroSource_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_AvroSource_fieldAccessorTable
@@ -227,38 +233,38 @@ public static com.google.cloud.vertexai.api.AvroSource parseFrom(
 
   public static com.google.cloud.vertexai.api.AvroSource parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.AvroSource parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.AvroSource parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.AvroSource parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.AvroSource parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.AvroSource parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -281,7 +287,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -295,7 +301,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.AvroSource}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.AvroSource)
       com.google.cloud.vertexai.api.AvroSourceOrBuilder {
@@ -305,7 +311,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_AvroSource_fieldAccessorTable
@@ -319,14 +325,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getGcsSourceFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetGcsSourceFieldBuilder();
       }
     }
 
@@ -383,39 +389,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.AvroSource result) {
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.AvroSource) {
@@ -459,7 +432,8 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getGcsSourceFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetGcsSourceFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -483,7 +457,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.GcsSource gcsSource_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GcsSource,
             com.google.cloud.vertexai.api.GcsSource.Builder,
             com.google.cloud.vertexai.api.GcsSourceOrBuilder>
@@ -642,7 +616,7 @@ public Builder clearGcsSource() {
     public com.google.cloud.vertexai.api.GcsSource.Builder getGcsSourceBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getGcsSourceFieldBuilder().getBuilder();
+      return internalGetGcsSourceFieldBuilder().getBuilder();
     }
 
     /**
@@ -677,14 +651,14 @@ public com.google.cloud.vertexai.api.GcsSourceOrBuilder getGcsSourceOrBuilder()
      * .google.cloud.vertexai.v1.GcsSource gcs_source = 1 [(.google.api.field_behavior) = REQUIRED];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GcsSource,
             com.google.cloud.vertexai.api.GcsSource.Builder,
             com.google.cloud.vertexai.api.GcsSourceOrBuilder>
-        getGcsSourceFieldBuilder() {
+        internalGetGcsSourceFieldBuilder() {
       if (gcsSourceBuilder_ == null) {
         gcsSourceBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GcsSource,
                 com.google.cloud.vertexai.api.GcsSource.Builder,
                 com.google.cloud.vertexai.api.GcsSourceOrBuilder>(
@@ -694,17 +668,6 @@ public com.google.cloud.vertexai.api.GcsSourceOrBuilder getGcsSourceOrBuilder()
       return gcsSourceBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.AvroSource)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AvroSourceOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AvroSourceOrBuilder.java
index fb9506405342..2c804b4ff7a2 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AvroSourceOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AvroSourceOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface AvroSourceOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.AvroSource)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BatchDedicatedResources.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BatchDedicatedResources.java
index af5788e29f33..b645388586fc 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BatchDedicatedResources.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BatchDedicatedResources.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,32 +30,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.BatchDedicatedResources}
  */
-public final class BatchDedicatedResources extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class BatchDedicatedResources extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.BatchDedicatedResources)
     BatchDedicatedResourcesOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "BatchDedicatedResources");
+  }
+
   // Use BatchDedicatedResources.newBuilder() to construct.
-  private BatchDedicatedResources(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private BatchDedicatedResources(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private BatchDedicatedResources() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new BatchDedicatedResources();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_BatchDedicatedResources_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_BatchDedicatedResources_fieldAccessorTable
@@ -288,38 +294,38 @@ public static com.google.cloud.vertexai.api.BatchDedicatedResources parseFrom(
 
   public static com.google.cloud.vertexai.api.BatchDedicatedResources parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BatchDedicatedResources parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.BatchDedicatedResources parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BatchDedicatedResources parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.BatchDedicatedResources parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BatchDedicatedResources parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -343,7 +349,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -358,7 +364,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.BatchDedicatedResources}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.BatchDedicatedResources)
       com.google.cloud.vertexai.api.BatchDedicatedResourcesOrBuilder {
@@ -368,7 +374,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.MachineResourcesProto
           .internal_static_google_cloud_vertexai_v1_BatchDedicatedResources_fieldAccessorTable
@@ -382,14 +388,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getMachineSpecFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetMachineSpecFieldBuilder();
       }
     }
 
@@ -455,39 +461,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.BatchDedicatedResources
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.BatchDedicatedResources) {
@@ -538,7 +511,8 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getMachineSpecFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetMachineSpecFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -574,7 +548,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.MachineSpec machineSpec_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.MachineSpec,
             com.google.cloud.vertexai.api.MachineSpec.Builder,
             com.google.cloud.vertexai.api.MachineSpecOrBuilder>
@@ -734,7 +708,7 @@ public Builder clearMachineSpec() {
     public com.google.cloud.vertexai.api.MachineSpec.Builder getMachineSpecBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getMachineSpecFieldBuilder().getBuilder();
+      return internalGetMachineSpecFieldBuilder().getBuilder();
     }
 
     /**
@@ -769,14 +743,14 @@ public com.google.cloud.vertexai.api.MachineSpecOrBuilder getMachineSpecOrBuilde
      * .google.cloud.vertexai.v1.MachineSpec machine_spec = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.field_behavior) = IMMUTABLE];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.MachineSpec,
             com.google.cloud.vertexai.api.MachineSpec.Builder,
             com.google.cloud.vertexai.api.MachineSpecOrBuilder>
-        getMachineSpecFieldBuilder() {
+        internalGetMachineSpecFieldBuilder() {
       if (machineSpecBuilder_ == null) {
         machineSpecBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.MachineSpec,
                 com.google.cloud.vertexai.api.MachineSpec.Builder,
                 com.google.cloud.vertexai.api.MachineSpecOrBuilder>(
@@ -907,17 +881,6 @@ public Builder clearMaxReplicaCount() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.BatchDedicatedResources)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BatchDedicatedResourcesOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BatchDedicatedResourcesOrBuilder.java
index af4a08be1d72..0f42eb3d870a 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BatchDedicatedResourcesOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BatchDedicatedResourcesOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface BatchDedicatedResourcesOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.BatchDedicatedResources)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQueryDestination.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQueryDestination.java
index 1e942822c1d4..85d29fe5743b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQueryDestination.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQueryDestination.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.BigQueryDestination}
  */
-public final class BigQueryDestination extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class BigQueryDestination extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.BigQueryDestination)
     BigQueryDestinationOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "BigQueryDestination");
+  }
+
   // Use BigQueryDestination.newBuilder() to construct.
-  private BigQueryDestination(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private BigQueryDestination(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private BigQueryDestination() {
     outputUri_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new BigQueryDestination();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_BigQueryDestination_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_BigQueryDestination_fieldAccessorTable
@@ -151,8 +157,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputUri_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, outputUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(outputUri_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, outputUri_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -163,8 +169,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputUri_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, outputUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(outputUri_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, outputUri_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -238,38 +244,38 @@ public static com.google.cloud.vertexai.api.BigQueryDestination parseFrom(
 
   public static com.google.cloud.vertexai.api.BigQueryDestination parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BigQueryDestination parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.BigQueryDestination parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BigQueryDestination parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.BigQueryDestination parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BigQueryDestination parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -292,7 +298,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -306,7 +312,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.BigQueryDestination}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.BigQueryDestination)
       com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder {
@@ -316,7 +322,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_BigQueryDestination_fieldAccessorTable
@@ -328,7 +334,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.BigQueryDestination.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -378,39 +384,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.BigQueryDestination res
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.BigQueryDestination) {
@@ -641,17 +614,6 @@ public Builder setOutputUriBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.BigQueryDestination)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQueryDestinationOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQueryDestinationOrBuilder.java
index d1203a78603e..e2d3f2b24856 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQueryDestinationOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQueryDestinationOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface BigQueryDestinationOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.BigQueryDestination)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQuerySource.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQuerySource.java
index eb91a8e6245f..95519f3d6197 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQuerySource.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQuerySource.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.BigQuerySource}
  */
-public final class BigQuerySource extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class BigQuerySource extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.BigQuerySource)
     BigQuerySourceOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "BigQuerySource");
+  }
+
   // Use BigQuerySource.newBuilder() to construct.
-  private BigQuerySource(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private BigQuerySource(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private BigQuerySource() {
     inputUri_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new BigQuerySource();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_BigQuerySource_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_BigQuerySource_fieldAccessorTable
@@ -137,8 +143,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(inputUri_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, inputUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(inputUri_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, inputUri_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -149,8 +155,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(inputUri_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, inputUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(inputUri_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, inputUri_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -224,38 +230,38 @@ public static com.google.cloud.vertexai.api.BigQuerySource parseFrom(
 
   public static com.google.cloud.vertexai.api.BigQuerySource parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BigQuerySource parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.BigQuerySource parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BigQuerySource parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.BigQuerySource parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BigQuerySource parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -278,7 +284,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -292,7 +298,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.BigQuerySource}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.BigQuerySource)
       com.google.cloud.vertexai.api.BigQuerySourceOrBuilder {
@@ -302,7 +308,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_BigQuerySource_fieldAccessorTable
@@ -314,7 +320,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.BigQuerySource.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -364,39 +370,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.BigQuerySource result)
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.BigQuerySource) {
@@ -591,17 +564,6 @@ public Builder setInputUriBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.BigQuerySource)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQuerySourceOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQuerySourceOrBuilder.java
index ef72edd4c3e7..db2e98de9b03 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQuerySourceOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BigQuerySourceOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface BigQuerySourceOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.BigQuerySource)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Blob.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Blob.java
index e0e850f05604..2b776576d891 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Blob.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Blob.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -31,14 +32,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Blob}
  */
-public final class Blob extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Blob extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Blob)
     BlobOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Blob");
+  }
+
   // Use Blob.newBuilder() to construct.
-  private Blob(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Blob(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -47,19 +59,13 @@ private Blob() {
     data_ = com.google.protobuf.ByteString.EMPTY;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Blob();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_Blob_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_Blob_fieldAccessorTable
@@ -154,8 +160,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(mimeType_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, mimeType_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mimeType_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, mimeType_);
     }
     if (!data_.isEmpty()) {
       output.writeBytes(2, data_);
@@ -169,8 +175,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(mimeType_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, mimeType_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mimeType_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, mimeType_);
     }
     if (!data_.isEmpty()) {
       size += com.google.protobuf.CodedOutputStream.computeBytesSize(2, data_);
@@ -248,38 +254,38 @@ public static com.google.cloud.vertexai.api.Blob parseFrom(
 
   public static com.google.cloud.vertexai.api.Blob parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Blob parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Blob parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Blob parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Blob parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Blob parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -302,7 +308,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -319,7 +325,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Blob}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Blob)
       com.google.cloud.vertexai.api.BlobOrBuilder {
@@ -329,7 +335,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_Blob_fieldAccessorTable
@@ -341,7 +347,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.Blob.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -394,39 +400,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.Blob result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Blob) {
@@ -444,7 +417,7 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Blob other) {
         bitField0_ |= 0x00000001;
         onChanged();
       }
-      if (other.getData() != com.google.protobuf.ByteString.EMPTY) {
+      if (!other.getData().isEmpty()) {
         setData(other.getData());
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -673,17 +646,6 @@ public Builder clearData() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Blob)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BlobOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BlobOrBuilder.java
index 405f9484119b..94034ed910f6 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BlobOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BlobOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface BlobOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Blob)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BlurBaselineConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BlurBaselineConfig.java
index f5264ceca197..f0cc336f8a8e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BlurBaselineConfig.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BlurBaselineConfig.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -33,32 +34,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.BlurBaselineConfig}
  */
-public final class BlurBaselineConfig extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class BlurBaselineConfig extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.BlurBaselineConfig)
     BlurBaselineConfigOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "BlurBaselineConfig");
+  }
+
   // Use BlurBaselineConfig.newBuilder() to construct.
-  private BlurBaselineConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private BlurBaselineConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private BlurBaselineConfig() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new BlurBaselineConfig();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_BlurBaselineConfig_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_BlurBaselineConfig_fieldAccessorTable
@@ -191,38 +197,38 @@ public static com.google.cloud.vertexai.api.BlurBaselineConfig parseFrom(
 
   public static com.google.cloud.vertexai.api.BlurBaselineConfig parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BlurBaselineConfig parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.BlurBaselineConfig parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BlurBaselineConfig parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.BlurBaselineConfig parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BlurBaselineConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -245,7 +251,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -264,7 +270,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.BlurBaselineConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.BlurBaselineConfig)
       com.google.cloud.vertexai.api.BlurBaselineConfigOrBuilder {
@@ -274,7 +280,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_BlurBaselineConfig_fieldAccessorTable
@@ -286,7 +292,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.BlurBaselineConfig.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -336,39 +342,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.BlurBaselineConfig resu
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.BlurBaselineConfig) {
@@ -382,7 +355,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     public Builder mergeFrom(com.google.cloud.vertexai.api.BlurBaselineConfig other) {
       if (other == com.google.cloud.vertexai.api.BlurBaselineConfig.getDefaultInstance())
         return this;
-      if (other.getMaxBlurSigma() != 0F) {
+      if (java.lang.Float.floatToRawIntBits(other.getMaxBlurSigma()) != 0) {
         setMaxBlurSigma(other.getMaxBlurSigma());
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -501,17 +474,6 @@ public Builder clearMaxBlurSigma() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.BlurBaselineConfig)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BlurBaselineConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BlurBaselineConfigOrBuilder.java
index 0676b8e1f580..0b39faa8e08f 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BlurBaselineConfigOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BlurBaselineConfigOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface BlurBaselineConfigOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.BlurBaselineConfig)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BoolArray.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BoolArray.java
index e991e793cf18..522c4b510017 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BoolArray.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BoolArray.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/types.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.BoolArray}
  */
-public final class BoolArray extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class BoolArray extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.BoolArray)
     BoolArrayOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "BoolArray");
+  }
+
   // Use BoolArray.newBuilder() to construct.
-  private BoolArray(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private BoolArray(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private BoolArray() {
     values_ = emptyBooleanList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new BoolArray();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.TypesProto
         .internal_static_google_cloud_vertexai_v1_BoolArray_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.TypesProto
         .internal_static_google_cloud_vertexai_v1_BoolArray_fieldAccessorTable
@@ -232,38 +238,38 @@ public static com.google.cloud.vertexai.api.BoolArray parseFrom(
 
   public static com.google.cloud.vertexai.api.BoolArray parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BoolArray parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.BoolArray parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BoolArray parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.BoolArray parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.BoolArray parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -286,7 +292,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -300,7 +306,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.BoolArray}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.BoolArray)
       com.google.cloud.vertexai.api.BoolArrayOrBuilder {
@@ -310,7 +316,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.TypesProto
           .internal_static_google_cloud_vertexai_v1_BoolArray_fieldAccessorTable
@@ -322,7 +328,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.BoolArray.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -373,39 +379,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.BoolArray result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.BoolArray) {
@@ -637,17 +610,6 @@ public Builder clearValues() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.BoolArray)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BoolArrayOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BoolArrayOrBuilder.java
index e336b2533d34..b143ac3b6aea 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BoolArrayOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/BoolArrayOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/types.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface BoolArrayOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.BoolArray)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContent.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContent.java
index b5b90a188058..acbbe20909a4 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContent.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContent.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/cached_content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.CachedContent}
  */
-public final class CachedContent extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class CachedContent extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.CachedContent)
     CachedContentOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "CachedContent");
+  }
+
   // Use CachedContent.newBuilder() to construct.
-  private CachedContent(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private CachedContent(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -48,19 +60,13 @@ private CachedContent() {
     tools_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new CachedContent();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.CachedContentProto
         .internal_static_google_cloud_vertexai_v1_CachedContent_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.CachedContentProto
         .internal_static_google_cloud_vertexai_v1_CachedContent_fieldAccessorTable
@@ -149,32 +155,36 @@ public interface UsageMetadataOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.CachedContent.UsageMetadata}
    */
-  public static final class UsageMetadata extends com.google.protobuf.GeneratedMessageV3
+  public static final class UsageMetadata extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.CachedContent.UsageMetadata)
       UsageMetadataOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "UsageMetadata");
+    }
+
     // Use UsageMetadata.newBuilder() to construct.
-    private UsageMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private UsageMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
     private UsageMetadata() {}
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new UsageMetadata();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.CachedContentProto
           .internal_static_google_cloud_vertexai_v1_CachedContent_UsageMetadata_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.CachedContentProto
           .internal_static_google_cloud_vertexai_v1_CachedContent_UsageMetadata_fieldAccessorTable
@@ -415,38 +425,38 @@ public static com.google.cloud.vertexai.api.CachedContent.UsageMetadata parseFro
 
     public static com.google.cloud.vertexai.api.CachedContent.UsageMetadata parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.CachedContent.UsageMetadata parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.CachedContent.UsageMetadata parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.CachedContent.UsageMetadata parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.CachedContent.UsageMetadata parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.CachedContent.UsageMetadata parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -470,8 +480,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -485,8 +494,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.CachedContent.UsageMetadata}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.CachedContent.UsageMetadata)
         com.google.cloud.vertexai.api.CachedContent.UsageMetadataOrBuilder {
@@ -496,7 +504,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.CachedContentProto
             .internal_static_google_cloud_vertexai_v1_CachedContent_UsageMetadata_fieldAccessorTable
@@ -508,7 +516,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // Construct using com.google.cloud.vertexai.api.CachedContent.UsageMetadata.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -574,41 +582,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.CachedContent.UsageMeta
         }
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.CachedContent.UsageMetadata) {
@@ -992,18 +965,6 @@ public Builder clearAudioDurationSeconds() {
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.CachedContent.UsageMetadata)
     }
 
@@ -1353,9 +1314,9 @@ public com.google.protobuf.ByteString getDisplayNameBytes() {
    *
    *
    * <pre>
-   * Immutable. The name of the publisher model to use for cached content.
-   * Format:
-   * projects/{project}/locations/{location}/publishers/{publisher}/models/{model}
+   * Immutable. The name of the `Model` to use for cached content. Currently,
+   * only the published Gemini base models are supported, in form of
+   * projects/{PROJECT}/locations/{LOCATION}/publishers/google/models/{MODEL}
    * </pre>
    *
    * <code>string model = 2 [(.google.api.field_behavior) = IMMUTABLE];</code>
@@ -1379,9 +1340,9 @@ public java.lang.String getModel() {
    *
    *
    * <pre>
-   * Immutable. The name of the publisher model to use for cached content.
-   * Format:
-   * projects/{project}/locations/{location}/publishers/{publisher}/models/{model}
+   * Immutable. The name of the `Model` to use for cached content. Currently,
+   * only the published Gemini base models are supported, in form of
+   * projects/{PROJECT}/locations/{LOCATION}/publishers/google/models/{MODEL}
    * </pre>
    *
    * <code>string model = 2 [(.google.api.field_behavior) = IMMUTABLE];</code>
@@ -1709,7 +1670,7 @@ public com.google.cloud.vertexai.api.ToolConfigOrBuilder getToolConfigOrBuilder(
    *
    *
    * <pre>
-   * Output only. Creatation time of the cache entry.
+   * Output only. Creation time of the cache entry.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp create_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -1726,7 +1687,7 @@ public boolean hasCreateTime() {
    *
    *
    * <pre>
-   * Output only. Creatation time of the cache entry.
+   * Output only. Creation time of the cache entry.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp create_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -1743,7 +1704,7 @@ public com.google.protobuf.Timestamp getCreateTime() {
    *
    *
    * <pre>
-   * Output only. Creatation time of the cache entry.
+   * Output only. Creation time of the cache entry.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp create_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -1866,6 +1827,71 @@ public com.google.cloud.vertexai.api.CachedContent.UsageMetadata getUsageMetadat
         : usageMetadata_;
   }
 
+  public static final int ENCRYPTION_SPEC_FIELD_NUMBER = 13;
+  private com.google.cloud.vertexai.api.EncryptionSpec encryptionSpec_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Input only. Immutable. Customer-managed encryption key spec for a
+   * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+   * will be secured by this key.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return Whether the encryptionSpec field is set.
+   */
+  @java.lang.Override
+  public boolean hasEncryptionSpec() {
+    return ((bitField0_ & 0x00000020) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Input only. Immutable. Customer-managed encryption key spec for a
+   * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+   * will be secured by this key.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The encryptionSpec.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.EncryptionSpec getEncryptionSpec() {
+    return encryptionSpec_ == null
+        ? com.google.cloud.vertexai.api.EncryptionSpec.getDefaultInstance()
+        : encryptionSpec_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Input only. Immutable. Customer-managed encryption key spec for a
+   * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+   * will be secured by this key.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.EncryptionSpecOrBuilder getEncryptionSpecOrBuilder() {
+    return encryptionSpec_ == null
+        ? com.google.cloud.vertexai.api.EncryptionSpec.getDefaultInstance()
+        : encryptionSpec_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -1880,11 +1906,11 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(model_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, model_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(model_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, model_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(3, getSystemInstruction());
@@ -1910,12 +1936,15 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (expirationCase_ == 10) {
       output.writeMessage(10, (com.google.protobuf.Duration) expiration_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(displayName_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 11, displayName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(displayName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 11, displayName_);
     }
     if (((bitField0_ & 0x00000010) != 0)) {
       output.writeMessage(12, getUsageMetadata());
     }
+    if (((bitField0_ & 0x00000020) != 0)) {
+      output.writeMessage(13, getEncryptionSpec());
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -1925,11 +1954,11 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(model_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, model_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(model_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, model_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getSystemInstruction());
@@ -1959,12 +1988,15 @@ public int getSerializedSize() {
           com.google.protobuf.CodedOutputStream.computeMessageSize(
               10, (com.google.protobuf.Duration) expiration_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(displayName_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(11, displayName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(displayName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(11, displayName_);
     }
     if (((bitField0_ & 0x00000010) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(12, getUsageMetadata());
     }
+    if (((bitField0_ & 0x00000020) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(13, getEncryptionSpec());
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -2006,6 +2038,10 @@ public boolean equals(final java.lang.Object obj) {
     if (hasUsageMetadata()) {
       if (!getUsageMetadata().equals(other.getUsageMetadata())) return false;
     }
+    if (hasEncryptionSpec() != other.hasEncryptionSpec()) return false;
+    if (hasEncryptionSpec()) {
+      if (!getEncryptionSpec().equals(other.getEncryptionSpec())) return false;
+    }
     if (!getExpirationCase().equals(other.getExpirationCase())) return false;
     switch (expirationCase_) {
       case 9:
@@ -2062,6 +2098,10 @@ public int hashCode() {
       hash = (37 * hash) + USAGE_METADATA_FIELD_NUMBER;
       hash = (53 * hash) + getUsageMetadata().hashCode();
     }
+    if (hasEncryptionSpec()) {
+      hash = (37 * hash) + ENCRYPTION_SPEC_FIELD_NUMBER;
+      hash = (53 * hash) + getEncryptionSpec().hashCode();
+    }
     switch (expirationCase_) {
       case 9:
         hash = (37 * hash) + EXPIRE_TIME_FIELD_NUMBER;
@@ -2116,38 +2156,38 @@ public static com.google.cloud.vertexai.api.CachedContent parseFrom(
 
   public static com.google.cloud.vertexai.api.CachedContent parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CachedContent parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CachedContent parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CachedContent parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CachedContent parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CachedContent parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -2170,7 +2210,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -2185,7 +2225,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.CachedContent}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.CachedContent)
       com.google.cloud.vertexai.api.CachedContentOrBuilder {
@@ -2195,7 +2235,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.CachedContentProto
           .internal_static_google_cloud_vertexai_v1_CachedContent_fieldAccessorTable
@@ -2209,20 +2249,21 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getSystemInstructionFieldBuilder();
-        getContentsFieldBuilder();
-        getToolsFieldBuilder();
-        getToolConfigFieldBuilder();
-        getCreateTimeFieldBuilder();
-        getUpdateTimeFieldBuilder();
-        getUsageMetadataFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetSystemInstructionFieldBuilder();
+        internalGetContentsFieldBuilder();
+        internalGetToolsFieldBuilder();
+        internalGetToolConfigFieldBuilder();
+        internalGetCreateTimeFieldBuilder();
+        internalGetUpdateTimeFieldBuilder();
+        internalGetUsageMetadataFieldBuilder();
+        internalGetEncryptionSpecFieldBuilder();
       }
     }
 
@@ -2278,6 +2319,11 @@ public Builder clear() {
         usageMetadataBuilder_.dispose();
         usageMetadataBuilder_ = null;
       }
+      encryptionSpec_ = null;
+      if (encryptionSpecBuilder_ != null) {
+        encryptionSpecBuilder_.dispose();
+        encryptionSpecBuilder_ = null;
+      }
       expirationCase_ = 0;
       expiration_ = null;
       return this;
@@ -2373,6 +2419,11 @@ private void buildPartial0(com.google.cloud.vertexai.api.CachedContent result) {
             usageMetadataBuilder_ == null ? usageMetadata_ : usageMetadataBuilder_.build();
         to_bitField0_ |= 0x00000010;
       }
+      if (((from_bitField0_ & 0x00001000) != 0)) {
+        result.encryptionSpec_ =
+            encryptionSpecBuilder_ == null ? encryptionSpec_ : encryptionSpecBuilder_.build();
+        to_bitField0_ |= 0x00000020;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
@@ -2387,39 +2438,6 @@ private void buildPartialOneofs(com.google.cloud.vertexai.api.CachedContent resu
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.CachedContent) {
@@ -2469,8 +2487,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.CachedContent other) {
             contents_ = other.contents_;
             bitField0_ = (bitField0_ & ~0x00000040);
             contentsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getContentsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetContentsFieldBuilder()
                     : null;
           } else {
             contentsBuilder_.addAllMessages(other.contents_);
@@ -2496,8 +2514,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.CachedContent other) {
             tools_ = other.tools_;
             bitField0_ = (bitField0_ & ~0x00000080);
             toolsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getToolsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetToolsFieldBuilder()
                     : null;
           } else {
             toolsBuilder_.addAllMessages(other.tools_);
@@ -2516,6 +2534,9 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.CachedContent other) {
       if (other.hasUsageMetadata()) {
         mergeUsageMetadata(other.getUsageMetadata());
       }
+      if (other.hasEncryptionSpec()) {
+        mergeEncryptionSpec(other.getEncryptionSpec());
+      }
       switch (other.getExpirationCase()) {
         case EXPIRE_TIME:
           {
@@ -2573,7 +2594,7 @@ public Builder mergeFrom(
             case 26:
               {
                 input.readMessage(
-                    getSystemInstructionFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetSystemInstructionFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000020;
                 break;
               } // case 26
@@ -2605,31 +2626,35 @@ public Builder mergeFrom(
               } // case 42
             case 50:
               {
-                input.readMessage(getToolConfigFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetToolConfigFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000100;
                 break;
               } // case 50
             case 58:
               {
-                input.readMessage(getCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000200;
                 break;
               } // case 58
             case 66:
               {
-                input.readMessage(getUpdateTimeFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetUpdateTimeFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000400;
                 break;
               } // case 66
             case 74:
               {
-                input.readMessage(getExpireTimeFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetExpireTimeFieldBuilder().getBuilder(), extensionRegistry);
                 expirationCase_ = 9;
                 break;
               } // case 74
             case 82:
               {
-                input.readMessage(getTtlFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(internalGetTtlFieldBuilder().getBuilder(), extensionRegistry);
                 expirationCase_ = 10;
                 break;
               } // case 82
@@ -2641,10 +2666,18 @@ public Builder mergeFrom(
               } // case 90
             case 98:
               {
-                input.readMessage(getUsageMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetUsageMetadataFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000800;
                 break;
               } // case 98
+            case 106:
+              {
+                input.readMessage(
+                    internalGetEncryptionSpecFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00001000;
+                break;
+              } // case 106
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -2678,7 +2711,7 @@ public Builder clearExpiration() {
 
     private int bitField0_;
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
@@ -2851,7 +2884,7 @@ public Builder clearExpireTime() {
      * <code>.google.protobuf.Timestamp expire_time = 9;</code>
      */
     public com.google.protobuf.Timestamp.Builder getExpireTimeBuilder() {
-      return getExpireTimeFieldBuilder().getBuilder();
+      return internalGetExpireTimeFieldBuilder().getBuilder();
     }
 
     /**
@@ -2888,17 +2921,17 @@ public com.google.protobuf.TimestampOrBuilder getExpireTimeOrBuilder() {
      *
      * <code>.google.protobuf.Timestamp expire_time = 9;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
-        getExpireTimeFieldBuilder() {
+        internalGetExpireTimeFieldBuilder() {
       if (expireTimeBuilder_ == null) {
         if (!(expirationCase_ == 9)) {
           expiration_ = com.google.protobuf.Timestamp.getDefaultInstance();
         }
         expireTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Timestamp,
                 com.google.protobuf.Timestamp.Builder,
                 com.google.protobuf.TimestampOrBuilder>(
@@ -2910,7 +2943,7 @@ public com.google.protobuf.TimestampOrBuilder getExpireTimeOrBuilder() {
       return expireTimeBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Duration,
             com.google.protobuf.Duration.Builder,
             com.google.protobuf.DurationOrBuilder>
@@ -3076,7 +3109,7 @@ public Builder clearTtl() {
      * <code>.google.protobuf.Duration ttl = 10 [(.google.api.field_behavior) = INPUT_ONLY];</code>
      */
     public com.google.protobuf.Duration.Builder getTtlBuilder() {
-      return getTtlFieldBuilder().getBuilder();
+      return internalGetTtlFieldBuilder().getBuilder();
     }
 
     /**
@@ -3111,17 +3144,17 @@ public com.google.protobuf.DurationOrBuilder getTtlOrBuilder() {
      *
      * <code>.google.protobuf.Duration ttl = 10 [(.google.api.field_behavior) = INPUT_ONLY];</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Duration,
             com.google.protobuf.Duration.Builder,
             com.google.protobuf.DurationOrBuilder>
-        getTtlFieldBuilder() {
+        internalGetTtlFieldBuilder() {
       if (ttlBuilder_ == null) {
         if (!(expirationCase_ == 10)) {
           expiration_ = com.google.protobuf.Duration.getDefaultInstance();
         }
         ttlBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Duration,
                 com.google.protobuf.Duration.Builder,
                 com.google.protobuf.DurationOrBuilder>(
@@ -3396,9 +3429,9 @@ public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Immutable. The name of the publisher model to use for cached content.
-     * Format:
-     * projects/{project}/locations/{location}/publishers/{publisher}/models/{model}
+     * Immutable. The name of the `Model` to use for cached content. Currently,
+     * only the published Gemini base models are supported, in form of
+     * projects/{PROJECT}/locations/{LOCATION}/publishers/google/models/{MODEL}
      * </pre>
      *
      * <code>string model = 2 [(.google.api.field_behavior) = IMMUTABLE];</code>
@@ -3421,9 +3454,9 @@ public java.lang.String getModel() {
      *
      *
      * <pre>
-     * Immutable. The name of the publisher model to use for cached content.
-     * Format:
-     * projects/{project}/locations/{location}/publishers/{publisher}/models/{model}
+     * Immutable. The name of the `Model` to use for cached content. Currently,
+     * only the published Gemini base models are supported, in form of
+     * projects/{PROJECT}/locations/{LOCATION}/publishers/google/models/{MODEL}
      * </pre>
      *
      * <code>string model = 2 [(.google.api.field_behavior) = IMMUTABLE];</code>
@@ -3446,9 +3479,9 @@ public com.google.protobuf.ByteString getModelBytes() {
      *
      *
      * <pre>
-     * Immutable. The name of the publisher model to use for cached content.
-     * Format:
-     * projects/{project}/locations/{location}/publishers/{publisher}/models/{model}
+     * Immutable. The name of the `Model` to use for cached content. Currently,
+     * only the published Gemini base models are supported, in form of
+     * projects/{PROJECT}/locations/{LOCATION}/publishers/google/models/{MODEL}
      * </pre>
      *
      * <code>string model = 2 [(.google.api.field_behavior) = IMMUTABLE];</code>
@@ -3470,9 +3503,9 @@ public Builder setModel(java.lang.String value) {
      *
      *
      * <pre>
-     * Immutable. The name of the publisher model to use for cached content.
-     * Format:
-     * projects/{project}/locations/{location}/publishers/{publisher}/models/{model}
+     * Immutable. The name of the `Model` to use for cached content. Currently,
+     * only the published Gemini base models are supported, in form of
+     * projects/{PROJECT}/locations/{LOCATION}/publishers/google/models/{MODEL}
      * </pre>
      *
      * <code>string model = 2 [(.google.api.field_behavior) = IMMUTABLE];</code>
@@ -3490,9 +3523,9 @@ public Builder clearModel() {
      *
      *
      * <pre>
-     * Immutable. The name of the publisher model to use for cached content.
-     * Format:
-     * projects/{project}/locations/{location}/publishers/{publisher}/models/{model}
+     * Immutable. The name of the `Model` to use for cached content. Currently,
+     * only the published Gemini base models are supported, in form of
+     * projects/{PROJECT}/locations/{LOCATION}/publishers/google/models/{MODEL}
      * </pre>
      *
      * <code>string model = 2 [(.google.api.field_behavior) = IMMUTABLE];</code>
@@ -3512,7 +3545,7 @@ public Builder setModelBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.cloud.vertexai.api.Content systemInstruction_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
@@ -3679,7 +3712,7 @@ public Builder clearSystemInstruction() {
     public com.google.cloud.vertexai.api.Content.Builder getSystemInstructionBuilder() {
       bitField0_ |= 0x00000020;
       onChanged();
-      return getSystemInstructionFieldBuilder().getBuilder();
+      return internalGetSystemInstructionFieldBuilder().getBuilder();
     }
 
     /**
@@ -3716,14 +3749,14 @@ public com.google.cloud.vertexai.api.ContentOrBuilder getSystemInstructionOrBuil
      * .google.cloud.vertexai.v1.Content system_instruction = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = INPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
-        getSystemInstructionFieldBuilder() {
+        internalGetSystemInstructionFieldBuilder() {
       if (systemInstructionBuilder_ == null) {
         systemInstructionBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Content,
                 com.google.cloud.vertexai.api.Content.Builder,
                 com.google.cloud.vertexai.api.ContentOrBuilder>(
@@ -3743,7 +3776,7 @@ private void ensureContentsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
@@ -4028,7 +4061,7 @@ public Builder removeContents(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Content.Builder getContentsBuilder(int index) {
-      return getContentsFieldBuilder().getBuilder(index);
+      return internalGetContentsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -4082,7 +4115,7 @@ public com.google.cloud.vertexai.api.ContentOrBuilder getContentsOrBuilder(int i
      * </code>
      */
     public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder() {
-      return getContentsFieldBuilder()
+      return internalGetContentsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Content.getDefaultInstance());
     }
 
@@ -4098,7 +4131,7 @@ public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder(int index) {
-      return getContentsFieldBuilder()
+      return internalGetContentsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Content.getDefaultInstance());
     }
 
@@ -4114,17 +4147,17 @@ public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder(int inde
      * </code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Content.Builder> getContentsBuilderList() {
-      return getContentsFieldBuilder().getBuilderList();
+      return internalGetContentsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
-        getContentsFieldBuilder() {
+        internalGetContentsFieldBuilder() {
       if (contentsBuilder_ == null) {
         contentsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Content,
                 com.google.cloud.vertexai.api.Content.Builder,
                 com.google.cloud.vertexai.api.ContentOrBuilder>(
@@ -4144,7 +4177,7 @@ private void ensureToolsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tool,
             com.google.cloud.vertexai.api.Tool.Builder,
             com.google.cloud.vertexai.api.ToolOrBuilder>
@@ -4440,7 +4473,7 @@ public Builder removeTools(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Tool.Builder getToolsBuilder(int index) {
-      return getToolsFieldBuilder().getBuilder(index);
+      return internalGetToolsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -4497,7 +4530,7 @@ public com.google.cloud.vertexai.api.ToolOrBuilder getToolsOrBuilder(int index)
      * </code>
      */
     public com.google.cloud.vertexai.api.Tool.Builder addToolsBuilder() {
-      return getToolsFieldBuilder()
+      return internalGetToolsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Tool.getDefaultInstance());
     }
 
@@ -4514,7 +4547,7 @@ public com.google.cloud.vertexai.api.Tool.Builder addToolsBuilder() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Tool.Builder addToolsBuilder(int index) {
-      return getToolsFieldBuilder()
+      return internalGetToolsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Tool.getDefaultInstance());
     }
 
@@ -4531,17 +4564,17 @@ public com.google.cloud.vertexai.api.Tool.Builder addToolsBuilder(int index) {
      * </code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Tool.Builder> getToolsBuilderList() {
-      return getToolsFieldBuilder().getBuilderList();
+      return internalGetToolsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tool,
             com.google.cloud.vertexai.api.Tool.Builder,
             com.google.cloud.vertexai.api.ToolOrBuilder>
-        getToolsFieldBuilder() {
+        internalGetToolsFieldBuilder() {
       if (toolsBuilder_ == null) {
         toolsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Tool,
                 com.google.cloud.vertexai.api.Tool.Builder,
                 com.google.cloud.vertexai.api.ToolOrBuilder>(
@@ -4552,7 +4585,7 @@ public java.util.List<com.google.cloud.vertexai.api.Tool.Builder> getToolsBuilde
     }
 
     private com.google.cloud.vertexai.api.ToolConfig toolConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ToolConfig,
             com.google.cloud.vertexai.api.ToolConfig.Builder,
             com.google.cloud.vertexai.api.ToolConfigOrBuilder>
@@ -4718,7 +4751,7 @@ public Builder clearToolConfig() {
     public com.google.cloud.vertexai.api.ToolConfig.Builder getToolConfigBuilder() {
       bitField0_ |= 0x00000100;
       onChanged();
-      return getToolConfigFieldBuilder().getBuilder();
+      return internalGetToolConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -4755,14 +4788,14 @@ public com.google.cloud.vertexai.api.ToolConfigOrBuilder getToolConfigOrBuilder(
      * .google.cloud.vertexai.v1.ToolConfig tool_config = 6 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = INPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ToolConfig,
             com.google.cloud.vertexai.api.ToolConfig.Builder,
             com.google.cloud.vertexai.api.ToolConfigOrBuilder>
-        getToolConfigFieldBuilder() {
+        internalGetToolConfigFieldBuilder() {
       if (toolConfigBuilder_ == null) {
         toolConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.ToolConfig,
                 com.google.cloud.vertexai.api.ToolConfig.Builder,
                 com.google.cloud.vertexai.api.ToolConfigOrBuilder>(
@@ -4773,7 +4806,7 @@ public com.google.cloud.vertexai.api.ToolConfigOrBuilder getToolConfigOrBuilder(
     }
 
     private com.google.protobuf.Timestamp createTime_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
@@ -4783,7 +4816,7 @@ public com.google.cloud.vertexai.api.ToolConfigOrBuilder getToolConfigOrBuilder(
      *
      *
      * <pre>
-     * Output only. Creatation time of the cache entry.
+     * Output only. Creation time of the cache entry.
      * </pre>
      *
      * <code>
@@ -4800,7 +4833,7 @@ public boolean hasCreateTime() {
      *
      *
      * <pre>
-     * Output only. Creatation time of the cache entry.
+     * Output only. Creation time of the cache entry.
      * </pre>
      *
      * <code>
@@ -4823,7 +4856,7 @@ public com.google.protobuf.Timestamp getCreateTime() {
      *
      *
      * <pre>
-     * Output only. Creatation time of the cache entry.
+     * Output only. Creation time of the cache entry.
      * </pre>
      *
      * <code>
@@ -4848,7 +4881,7 @@ public Builder setCreateTime(com.google.protobuf.Timestamp value) {
      *
      *
      * <pre>
-     * Output only. Creatation time of the cache entry.
+     * Output only. Creation time of the cache entry.
      * </pre>
      *
      * <code>
@@ -4870,7 +4903,7 @@ public Builder setCreateTime(com.google.protobuf.Timestamp.Builder builderForVal
      *
      *
      * <pre>
-     * Output only. Creatation time of the cache entry.
+     * Output only. Creation time of the cache entry.
      * </pre>
      *
      * <code>
@@ -4900,7 +4933,7 @@ public Builder mergeCreateTime(com.google.protobuf.Timestamp value) {
      *
      *
      * <pre>
-     * Output only. Creatation time of the cache entry.
+     * Output only. Creation time of the cache entry.
      * </pre>
      *
      * <code>
@@ -4922,7 +4955,7 @@ public Builder clearCreateTime() {
      *
      *
      * <pre>
-     * Output only. Creatation time of the cache entry.
+     * Output only. Creation time of the cache entry.
      * </pre>
      *
      * <code>
@@ -4932,14 +4965,14 @@ public Builder clearCreateTime() {
     public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
       bitField0_ |= 0x00000200;
       onChanged();
-      return getCreateTimeFieldBuilder().getBuilder();
+      return internalGetCreateTimeFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Output only. Creatation time of the cache entry.
+     * Output only. Creation time of the cache entry.
      * </pre>
      *
      * <code>
@@ -4960,21 +4993,21 @@ public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
      *
      *
      * <pre>
-     * Output only. Creatation time of the cache entry.
+     * Output only. Creation time of the cache entry.
      * </pre>
      *
      * <code>
      * .google.protobuf.Timestamp create_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
-        getCreateTimeFieldBuilder() {
+        internalGetCreateTimeFieldBuilder() {
       if (createTimeBuilder_ == null) {
         createTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Timestamp,
                 com.google.protobuf.Timestamp.Builder,
                 com.google.protobuf.TimestampOrBuilder>(
@@ -4985,7 +5018,7 @@ public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
     }
 
     private com.google.protobuf.Timestamp updateTime_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
@@ -5144,7 +5177,7 @@ public Builder clearUpdateTime() {
     public com.google.protobuf.Timestamp.Builder getUpdateTimeBuilder() {
       bitField0_ |= 0x00000400;
       onChanged();
-      return getUpdateTimeFieldBuilder().getBuilder();
+      return internalGetUpdateTimeFieldBuilder().getBuilder();
     }
 
     /**
@@ -5179,14 +5212,14 @@ public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
      * .google.protobuf.Timestamp update_time = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
-        getUpdateTimeFieldBuilder() {
+        internalGetUpdateTimeFieldBuilder() {
       if (updateTimeBuilder_ == null) {
         updateTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Timestamp,
                 com.google.protobuf.Timestamp.Builder,
                 com.google.protobuf.TimestampOrBuilder>(
@@ -5197,7 +5230,7 @@ public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
     }
 
     private com.google.cloud.vertexai.api.CachedContent.UsageMetadata usageMetadata_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.CachedContent.UsageMetadata,
             com.google.cloud.vertexai.api.CachedContent.UsageMetadata.Builder,
             com.google.cloud.vertexai.api.CachedContent.UsageMetadataOrBuilder>
@@ -5361,7 +5394,7 @@ public Builder clearUsageMetadata() {
         getUsageMetadataBuilder() {
       bitField0_ |= 0x00000800;
       onChanged();
-      return getUsageMetadataFieldBuilder().getBuilder();
+      return internalGetUsageMetadataFieldBuilder().getBuilder();
     }
 
     /**
@@ -5397,14 +5430,14 @@ public Builder clearUsageMetadata() {
      * .google.cloud.vertexai.v1.CachedContent.UsageMetadata usage_metadata = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.CachedContent.UsageMetadata,
             com.google.cloud.vertexai.api.CachedContent.UsageMetadata.Builder,
             com.google.cloud.vertexai.api.CachedContent.UsageMetadataOrBuilder>
-        getUsageMetadataFieldBuilder() {
+        internalGetUsageMetadataFieldBuilder() {
       if (usageMetadataBuilder_ == null) {
         usageMetadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.CachedContent.UsageMetadata,
                 com.google.cloud.vertexai.api.CachedContent.UsageMetadata.Builder,
                 com.google.cloud.vertexai.api.CachedContent.UsageMetadataOrBuilder>(
@@ -5414,15 +5447,236 @@ public Builder clearUsageMetadata() {
       return usageMetadataBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    private com.google.cloud.vertexai.api.EncryptionSpec encryptionSpec_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.EncryptionSpec,
+            com.google.cloud.vertexai.api.EncryptionSpec.Builder,
+            com.google.cloud.vertexai.api.EncryptionSpecOrBuilder>
+        encryptionSpecBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Input only. Immutable. Customer-managed encryption key spec for a
+     * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+     * will be secured by this key.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return Whether the encryptionSpec field is set.
+     */
+    public boolean hasEncryptionSpec() {
+      return ((bitField0_ & 0x00001000) != 0);
     }
 
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    /**
+     *
+     *
+     * <pre>
+     * Input only. Immutable. Customer-managed encryption key spec for a
+     * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+     * will be secured by this key.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return The encryptionSpec.
+     */
+    public com.google.cloud.vertexai.api.EncryptionSpec getEncryptionSpec() {
+      if (encryptionSpecBuilder_ == null) {
+        return encryptionSpec_ == null
+            ? com.google.cloud.vertexai.api.EncryptionSpec.getDefaultInstance()
+            : encryptionSpec_;
+      } else {
+        return encryptionSpecBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Input only. Immutable. Customer-managed encryption key spec for a
+     * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+     * will be secured by this key.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder setEncryptionSpec(com.google.cloud.vertexai.api.EncryptionSpec value) {
+      if (encryptionSpecBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        encryptionSpec_ = value;
+      } else {
+        encryptionSpecBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00001000;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Input only. Immutable. Customer-managed encryption key spec for a
+     * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+     * will be secured by this key.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder setEncryptionSpec(
+        com.google.cloud.vertexai.api.EncryptionSpec.Builder builderForValue) {
+      if (encryptionSpecBuilder_ == null) {
+        encryptionSpec_ = builderForValue.build();
+      } else {
+        encryptionSpecBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00001000;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Input only. Immutable. Customer-managed encryption key spec for a
+     * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+     * will be secured by this key.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder mergeEncryptionSpec(com.google.cloud.vertexai.api.EncryptionSpec value) {
+      if (encryptionSpecBuilder_ == null) {
+        if (((bitField0_ & 0x00001000) != 0)
+            && encryptionSpec_ != null
+            && encryptionSpec_
+                != com.google.cloud.vertexai.api.EncryptionSpec.getDefaultInstance()) {
+          getEncryptionSpecBuilder().mergeFrom(value);
+        } else {
+          encryptionSpec_ = value;
+        }
+      } else {
+        encryptionSpecBuilder_.mergeFrom(value);
+      }
+      if (encryptionSpec_ != null) {
+        bitField0_ |= 0x00001000;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Input only. Immutable. Customer-managed encryption key spec for a
+     * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+     * will be secured by this key.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder clearEncryptionSpec() {
+      bitField0_ = (bitField0_ & ~0x00001000);
+      encryptionSpec_ = null;
+      if (encryptionSpecBuilder_ != null) {
+        encryptionSpecBuilder_.dispose();
+        encryptionSpecBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Input only. Immutable. Customer-managed encryption key spec for a
+     * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+     * will be secured by this key.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.EncryptionSpec.Builder getEncryptionSpecBuilder() {
+      bitField0_ |= 0x00001000;
+      onChanged();
+      return internalGetEncryptionSpecFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Input only. Immutable. Customer-managed encryption key spec for a
+     * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+     * will be secured by this key.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.EncryptionSpecOrBuilder getEncryptionSpecOrBuilder() {
+      if (encryptionSpecBuilder_ != null) {
+        return encryptionSpecBuilder_.getMessageOrBuilder();
+      } else {
+        return encryptionSpec_ == null
+            ? com.google.cloud.vertexai.api.EncryptionSpec.getDefaultInstance()
+            : encryptionSpec_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Input only. Immutable. Customer-managed encryption key spec for a
+     * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+     * will be secured by this key.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.EncryptionSpec,
+            com.google.cloud.vertexai.api.EncryptionSpec.Builder,
+            com.google.cloud.vertexai.api.EncryptionSpecOrBuilder>
+        internalGetEncryptionSpecFieldBuilder() {
+      if (encryptionSpecBuilder_ == null) {
+        encryptionSpecBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.EncryptionSpec,
+                com.google.cloud.vertexai.api.EncryptionSpec.Builder,
+                com.google.cloud.vertexai.api.EncryptionSpecOrBuilder>(
+                getEncryptionSpec(), getParentForChildren(), isClean());
+        encryptionSpec_ = null;
+      }
+      return encryptionSpecBuilder_;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.CachedContent)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContentOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContentOrBuilder.java
index 181389ca84a4..e0b478d247a9 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContentOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContentOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/cached_content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface CachedContentOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.CachedContent)
@@ -177,9 +179,9 @@ public interface CachedContentOrBuilder
    *
    *
    * <pre>
-   * Immutable. The name of the publisher model to use for cached content.
-   * Format:
-   * projects/{project}/locations/{location}/publishers/{publisher}/models/{model}
+   * Immutable. The name of the `Model` to use for cached content. Currently,
+   * only the published Gemini base models are supported, in form of
+   * projects/{PROJECT}/locations/{LOCATION}/publishers/google/models/{MODEL}
    * </pre>
    *
    * <code>string model = 2 [(.google.api.field_behavior) = IMMUTABLE];</code>
@@ -192,9 +194,9 @@ public interface CachedContentOrBuilder
    *
    *
    * <pre>
-   * Immutable. The name of the publisher model to use for cached content.
-   * Format:
-   * projects/{project}/locations/{location}/publishers/{publisher}/models/{model}
+   * Immutable. The name of the `Model` to use for cached content. Currently,
+   * only the published Gemini base models are supported, in form of
+   * projects/{PROJECT}/locations/{LOCATION}/publishers/google/models/{MODEL}
    * </pre>
    *
    * <code>string model = 2 [(.google.api.field_behavior) = IMMUTABLE];</code>
@@ -435,7 +437,7 @@ public interface CachedContentOrBuilder
    *
    *
    * <pre>
-   * Output only. Creatation time of the cache entry.
+   * Output only. Creation time of the cache entry.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp create_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -449,7 +451,7 @@ public interface CachedContentOrBuilder
    *
    *
    * <pre>
-   * Output only. Creatation time of the cache entry.
+   * Output only. Creation time of the cache entry.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp create_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -463,7 +465,7 @@ public interface CachedContentOrBuilder
    *
    *
    * <pre>
-   * Output only. Creatation time of the cache entry.
+   * Output only. Creation time of the cache entry.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp create_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
@@ -554,5 +556,54 @@ public interface CachedContentOrBuilder
    */
   com.google.cloud.vertexai.api.CachedContent.UsageMetadataOrBuilder getUsageMetadataOrBuilder();
 
+  /**
+   *
+   *
+   * <pre>
+   * Input only. Immutable. Customer-managed encryption key spec for a
+   * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+   * will be secured by this key.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return Whether the encryptionSpec field is set.
+   */
+  boolean hasEncryptionSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Input only. Immutable. Customer-managed encryption key spec for a
+   * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+   * will be secured by this key.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The encryptionSpec.
+   */
+  com.google.cloud.vertexai.api.EncryptionSpec getEncryptionSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Input only. Immutable. Customer-managed encryption key spec for a
+   * `CachedContent`. If set, this `CachedContent` and all its sub-resources
+   * will be secured by this key.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 13 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.EncryptionSpecOrBuilder getEncryptionSpecOrBuilder();
+
   com.google.cloud.vertexai.api.CachedContent.ExpirationCase getExpirationCase();
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContentProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContentProto.java
index 21bdc848df23..2c1c08765533 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContentProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContentProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/cached_content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class CachedContentProto {
+@com.google.protobuf.Generated
+public final class CachedContentProto extends com.google.protobuf.GeneratedFile {
   private CachedContentProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "CachedContentProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,11 +42,11 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_CachedContent_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_CachedContent_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_CachedContent_UsageMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_CachedContent_UsageMetadata_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -45,43 +57,50 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
 
   static {
     java.lang.String[] descriptorData = {
-      "\n-google/cloud/vertexai/v1/cached_conten"
+      "\n"
+          + "-google/cloud/vertexai/v1/cached_conten"
           + "t.proto\022\030google.cloud.vertexai.v1\032\037googl"
           + "e/api/field_behavior.proto\032\031google/api/r"
-          + "esource.proto\032&google/cloud/vertexai/v1/"
-          + "content.proto\032#google/cloud/vertexai/v1/"
-          + "tool.proto\032\036google/protobuf/duration.pro"
-          + "to\032\037google/protobuf/timestamp.proto\"\277\007\n\r"
-          + "CachedContent\0221\n\013expire_time\030\t \001(\0132\032.goo"
-          + "gle.protobuf.TimestampH\000\022-\n\003ttl\030\n \001(\0132\031."
-          + "google.protobuf.DurationB\003\340A\004H\000\022\024\n\004name\030"
-          + "\001 \001(\tB\006\340A\010\340A\005\022\034\n\014display_name\030\013 \001(\tB\006\340A\001"
-          + "\340A\005\022\022\n\005model\030\002 \001(\tB\003\340A\005\022H\n\022system_instru"
-          + "ction\030\003 \001(\0132!.google.cloud.vertexai.v1.C"
-          + "ontentB\t\340A\001\340A\005\340A\004\022>\n\010contents\030\004 \003(\0132!.go"
-          + "ogle.cloud.vertexai.v1.ContentB\t\340A\001\340A\005\340A"
-          + "\004\0228\n\005tools\030\005 \003(\0132\036.google.cloud.vertexai"
-          + ".v1.ToolB\t\340A\001\340A\005\340A\004\022D\n\013tool_config\030\006 \001(\013"
-          + "2$.google.cloud.vertexai.v1.ToolConfigB\t"
-          + "\340A\001\340A\005\340A\004\0224\n\013create_time\030\007 \001(\0132\032.google."
-          + "protobuf.TimestampB\003\340A\003\0224\n\013update_time\030\010"
-          + " \001(\0132\032.google.protobuf.TimestampB\003\340A\003\022R\n"
-          + "\016usage_metadata\030\014 \001(\01325.google.cloud.ver"
-          + "texai.v1.CachedContent.UsageMetadataB\003\340A"
-          + "\003\032\223\001\n\rUsageMetadata\022\031\n\021total_token_count"
-          + "\030\001 \001(\005\022\022\n\ntext_count\030\002 \001(\005\022\023\n\013image_coun"
-          + "t\030\003 \001(\005\022\036\n\026video_duration_seconds\030\004 \001(\005\022"
-          + "\036\n\026audio_duration_seconds\030\005 \001(\005:\225\001\352A\221\001\n\'"
-          + "aiplatform.googleapis.com/CachedContent\022"
-          + "Gprojects/{project}/locations/{location}"
-          + "/cachedContents/{cached_content}*\016cached"
-          + "Contents2\rcachedContentB\014\n\nexpirationB\317\001"
-          + "\n\035com.google.cloud.vertexai.apiB\022CachedC"
-          + "ontentProtoP\001Z>cloud.google.com/go/aipla"
-          + "tform/apiv1/aiplatformpb;aiplatformpb\252\002\032"
-          + "Google.Cloud.AIPlatform.V1\312\002\032Google\\Clou"
-          + "d\\AIPlatform\\V1\352\002\035Google::Cloud::AIPlatf"
-          + "orm::V1b\006proto3"
+          + "esource.proto\032&google/cloud/vertexai/v1/content.proto\032.google/cloud/vertexai/v1/"
+          + "encryption_spec.proto\032#google/cloud/vert"
+          + "exai/v1/tool.proto\032\036google/protobuf/dura"
+          + "tion.proto\032\037google/protobuf/timestamp.proto\"\212\010\n\r"
+          + "CachedContent\0221\n"
+          + "\013expire_time\030\t \001(\0132\032.google.protobuf.TimestampH\000\022-\n"
+          + "\003ttl\030\n"
+          + " \001(\0132\031.google.protobuf.DurationB\003\340A\004H\000\022\024\n"
+          + "\004name\030\001 \001(\tB\006\340A\010\340A\005\022\034\n"
+          + "\014display_name\030\013 \001(\tB\006\340A\001\340A\005\022\022\n"
+          + "\005model\030\002 \001(\tB\003\340A\005\022H\n"
+          + "\022system_instruction\030\003 \001(\0132!.google.cloud.vertexai.v1.ContentB"
+          + "\t\340A\001\340A\005\340A\004\022>\n"
+          + "\010contents\030\004 \003(\0132!.google.cloud.vertexai.v1.ContentB"
+          + "\t\340A\001\340A\005\340A\004\0228\n"
+          + "\005tools\030\005 \003(\0132\036.google.cloud.vertexai.v1.ToolB"
+          + "\t\340A\001\340A\005\340A\004\022D\n"
+          + "\013tool_config\030\006 \001(\0132$.google.cloud.vertexai.v1.ToolConfigB"
+          + "\t\340A\001\340A\005\340A\004\0224\n"
+          + "\013create_time\030\007 \001(\0132\032.google.protobuf.TimestampB\003\340A\003\0224\n"
+          + "\013update_time\030\010 \001(\0132\032.google.protobuf.TimestampB\003\340A\003\022R\n"
+          + "\016usage_metadata\030\014 \001(\01325.google.c"
+          + "loud.vertexai.v1.CachedContent.UsageMetadataB\003\340A\003\022I\n"
+          + "\017encryption_spec\030\r"
+          + " \001(\0132(.goo"
+          + "gle.cloud.vertexai.v1.EncryptionSpecB\006\340A\004\340A\005\032\223\001\n\r"
+          + "UsageMetadata\022\031\n"
+          + "\021total_token_count\030\001 \001(\005\022\022\n\n"
+          + "text_count\030\002 \001(\005\022\023\n"
+          + "\013image_count\030\003 \001(\005\022\036\n"
+          + "\026video_duration_seconds\030\004 \001(\005\022\036\n"
+          + "\026audio_duration_seconds\030\005 \001(\005:\225\001\352A\221\001\n"
+          + "\'aiplatform.googleapis.com/CachedContent\022Gprojects/{project}/locations/{locati"
+          + "on}/cachedContents/{cached_content}*\016cachedContents2\r"
+          + "cachedContentB\014\n\n"
+          + "expirationB\317\001\n"
+          + "\035com.google.cloud.vertexai.apiB\022CachedContentProtoP\001Z>cloud.google.com/go/ai"
+          + "platform/apiv1/aiplatformpb;aiplatformpb"
+          + "\252\002\032Google.Cloud.AIPlatform.V1\312\002\032Google\\C"
+          + "loud\\AIPlatform\\V1\352\002\035Google::Cloud::AIPlatform::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -90,14 +109,15 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.api.FieldBehaviorProto.getDescriptor(),
               com.google.api.ResourceProto.getDescriptor(),
               com.google.cloud.vertexai.api.ContentProto.getDescriptor(),
+              com.google.cloud.vertexai.api.EncryptionSpecProto.getDescriptor(),
               com.google.cloud.vertexai.api.ToolProto.getDescriptor(),
               com.google.protobuf.DurationProto.getDescriptor(),
               com.google.protobuf.TimestampProto.getDescriptor(),
             });
     internal_static_google_cloud_vertexai_v1_CachedContent_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+        getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_CachedContent_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_CachedContent_descriptor,
             new java.lang.String[] {
               "ExpireTime",
@@ -112,12 +132,13 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "CreateTime",
               "UpdateTime",
               "UsageMetadata",
+              "EncryptionSpec",
               "Expiration",
             });
     internal_static_google_cloud_vertexai_v1_CachedContent_UsageMetadata_descriptor =
-        internal_static_google_cloud_vertexai_v1_CachedContent_descriptor.getNestedTypes().get(0);
+        internal_static_google_cloud_vertexai_v1_CachedContent_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_CachedContent_UsageMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_CachedContent_UsageMetadata_descriptor,
             new java.lang.String[] {
               "TotalTokenCount",
@@ -126,18 +147,20 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "VideoDurationSeconds",
               "AudioDurationSeconds",
             });
-    com.google.protobuf.ExtensionRegistry registry =
-        com.google.protobuf.ExtensionRegistry.newInstance();
-    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
-    registry.add(com.google.api.ResourceProto.resource);
-    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
-        descriptor, registry);
+    descriptor.resolveAllFeaturesImmutable();
     com.google.api.FieldBehaviorProto.getDescriptor();
     com.google.api.ResourceProto.getDescriptor();
     com.google.cloud.vertexai.api.ContentProto.getDescriptor();
+    com.google.cloud.vertexai.api.EncryptionSpecProto.getDescriptor();
     com.google.cloud.vertexai.api.ToolProto.getDescriptor();
     com.google.protobuf.DurationProto.getDescriptor();
     com.google.protobuf.TimestampProto.getDescriptor();
+    com.google.protobuf.ExtensionRegistry registry =
+        com.google.protobuf.ExtensionRegistry.newInstance();
+    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
+    registry.add(com.google.api.ResourceProto.resource);
+    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
+        descriptor, registry);
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Candidate.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Candidate.java
index fed0e0804aa8..ea9c0a49f8fc 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Candidate.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Candidate.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Candidate}
  */
-public final class Candidate extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Candidate extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Candidate)
     CandidateOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Candidate");
+  }
+
   // Use Candidate.newBuilder() to construct.
-  private Candidate(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Candidate(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,13 @@ private Candidate() {
     finishMessage_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Candidate();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_Candidate_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_Candidate_fieldAccessorTable
@@ -183,9 +189,29 @@ public enum FinishReason implements com.google.protobuf.ProtocolMessageEnum {
      * <code>MALFORMED_FUNCTION_CALL = 9;</code>
      */
     MALFORMED_FUNCTION_CALL(9),
+    /**
+     *
+     *
+     * <pre>
+     * The model response was blocked by Model Armor.
+     * </pre>
+     *
+     * <code>MODEL_ARMOR = 10;</code>
+     */
+    MODEL_ARMOR(10),
     UNRECOGNIZED(-1),
     ;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "FinishReason");
+    }
+
     /**
      *
      *
@@ -302,6 +328,17 @@ public enum FinishReason implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int MALFORMED_FUNCTION_CALL_VALUE = 9;
 
+    /**
+     *
+     *
+     * <pre>
+     * The model response was blocked by Model Armor.
+     * </pre>
+     *
+     * <code>MODEL_ARMOR = 10;</code>
+     */
+    public static final int MODEL_ARMOR_VALUE = 10;
+
     public final int getNumber() {
       if (this == UNRECOGNIZED) {
         throw new java.lang.IllegalArgumentException(
@@ -346,6 +383,8 @@ public static FinishReason forNumber(int value) {
           return SPII;
         case 9:
           return MALFORMED_FUNCTION_CALL;
+        case 10:
+          return MODEL_ARMOR;
         default:
           return null;
       }
@@ -374,7 +413,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
       return getDescriptor();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
       return com.google.cloud.vertexai.api.Candidate.getDescriptor().getEnumTypes().get(0);
     }
 
@@ -902,6 +941,66 @@ public com.google.cloud.vertexai.api.GroundingMetadataOrBuilder getGroundingMeta
         : groundingMetadata_;
   }
 
+  public static final int URL_CONTEXT_METADATA_FIELD_NUMBER = 11;
+  private com.google.cloud.vertexai.api.UrlContextMetadata urlContextMetadata_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Metadata related to url context retrieval tool.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the urlContextMetadata field is set.
+   */
+  @java.lang.Override
+  public boolean hasUrlContextMetadata() {
+    return ((bitField0_ & 0x00000020) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Metadata related to url context retrieval tool.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The urlContextMetadata.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.UrlContextMetadata getUrlContextMetadata() {
+    return urlContextMetadata_ == null
+        ? com.google.cloud.vertexai.api.UrlContextMetadata.getDefaultInstance()
+        : urlContextMetadata_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Metadata related to url context retrieval tool.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.UrlContextMetadataOrBuilder
+      getUrlContextMetadataOrBuilder() {
+    return urlContextMetadata_ == null
+        ? com.google.cloud.vertexai.api.UrlContextMetadata.getDefaultInstance()
+        : urlContextMetadata_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -931,7 +1030,7 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
       output.writeMessage(4, safetyRatings_.get(i));
     }
     if (((bitField0_ & 0x00000004) != 0)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, finishMessage_);
+      com.google.protobuf.GeneratedMessage.writeString(output, 5, finishMessage_);
     }
     if (((bitField0_ & 0x00000008) != 0)) {
       output.writeMessage(6, getCitationMetadata());
@@ -948,6 +1047,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000002) != 0)) {
       output.writeMessage(10, getLogprobsResult());
     }
+    if (((bitField0_ & 0x00000020) != 0)) {
+      output.writeMessage(11, getUrlContextMetadata());
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -972,7 +1074,7 @@ public int getSerializedSize() {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, safetyRatings_.get(i));
     }
     if (((bitField0_ & 0x00000004) != 0)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, finishMessage_);
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(5, finishMessage_);
     }
     if (((bitField0_ & 0x00000008) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getCitationMetadata());
@@ -989,6 +1091,9 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000002) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(10, getLogprobsResult());
     }
+    if (((bitField0_ & 0x00000020) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(11, getUrlContextMetadata());
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -1031,6 +1136,10 @@ public boolean equals(final java.lang.Object obj) {
     if (hasGroundingMetadata()) {
       if (!getGroundingMetadata().equals(other.getGroundingMetadata())) return false;
     }
+    if (hasUrlContextMetadata() != other.hasUrlContextMetadata()) return false;
+    if (hasUrlContextMetadata()) {
+      if (!getUrlContextMetadata().equals(other.getUrlContextMetadata())) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -1079,6 +1188,10 @@ public int hashCode() {
       hash = (37 * hash) + GROUNDING_METADATA_FIELD_NUMBER;
       hash = (53 * hash) + getGroundingMetadata().hashCode();
     }
+    if (hasUrlContextMetadata()) {
+      hash = (37 * hash) + URL_CONTEXT_METADATA_FIELD_NUMBER;
+      hash = (53 * hash) + getUrlContextMetadata().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -1121,38 +1234,38 @@ public static com.google.cloud.vertexai.api.Candidate parseFrom(
 
   public static com.google.cloud.vertexai.api.Candidate parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Candidate parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Candidate parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Candidate parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Candidate parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Candidate parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -1175,7 +1288,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -1189,7 +1302,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Candidate}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Candidate)
       com.google.cloud.vertexai.api.CandidateOrBuilder {
@@ -1199,7 +1312,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_Candidate_fieldAccessorTable
@@ -1213,18 +1326,19 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getContentFieldBuilder();
-        getLogprobsResultFieldBuilder();
-        getSafetyRatingsFieldBuilder();
-        getCitationMetadataFieldBuilder();
-        getGroundingMetadataFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetContentFieldBuilder();
+        internalGetLogprobsResultFieldBuilder();
+        internalGetSafetyRatingsFieldBuilder();
+        internalGetCitationMetadataFieldBuilder();
+        internalGetGroundingMetadataFieldBuilder();
+        internalGetUrlContextMetadataFieldBuilder();
       }
     }
 
@@ -1264,6 +1378,11 @@ public Builder clear() {
         groundingMetadataBuilder_.dispose();
         groundingMetadataBuilder_ = null;
       }
+      urlContextMetadata_ = null;
+      if (urlContextMetadataBuilder_ != null) {
+        urlContextMetadataBuilder_.dispose();
+        urlContextMetadataBuilder_ = null;
+      }
       return this;
     }
 
@@ -1351,42 +1470,16 @@ private void buildPartial0(com.google.cloud.vertexai.api.Candidate result) {
                 : groundingMetadataBuilder_.build();
         to_bitField0_ |= 0x00000010;
       }
+      if (((from_bitField0_ & 0x00000400) != 0)) {
+        result.urlContextMetadata_ =
+            urlContextMetadataBuilder_ == null
+                ? urlContextMetadata_
+                : urlContextMetadataBuilder_.build();
+        to_bitField0_ |= 0x00000020;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Candidate) {
@@ -1405,10 +1498,10 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Candidate other) {
       if (other.hasContent()) {
         mergeContent(other.getContent());
       }
-      if (other.getScore() != 0D) {
+      if (java.lang.Double.doubleToRawLongBits(other.getScore()) != 0) {
         setScore(other.getScore());
       }
-      if (other.getAvgLogprobs() != 0D) {
+      if (java.lang.Double.doubleToRawLongBits(other.getAvgLogprobs()) != 0) {
         setAvgLogprobs(other.getAvgLogprobs());
       }
       if (other.hasLogprobsResult()) {
@@ -1436,8 +1529,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Candidate other) {
             safetyRatings_ = other.safetyRatings_;
             bitField0_ = (bitField0_ & ~0x00000040);
             safetyRatingsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getSafetyRatingsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetSafetyRatingsFieldBuilder()
                     : null;
           } else {
             safetyRatingsBuilder_.addAllMessages(other.safetyRatings_);
@@ -1455,6 +1548,9 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Candidate other) {
       if (other.hasGroundingMetadata()) {
         mergeGroundingMetadata(other.getGroundingMetadata());
       }
+      if (other.hasUrlContextMetadata()) {
+        mergeUrlContextMetadata(other.getUrlContextMetadata());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -1489,7 +1585,7 @@ public Builder mergeFrom(
               } // case 8
             case 18:
               {
-                input.readMessage(getContentFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(internalGetContentFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
@@ -1521,14 +1617,14 @@ public Builder mergeFrom(
             case 50:
               {
                 input.readMessage(
-                    getCitationMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetCitationMetadataFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000100;
                 break;
               } // case 50
             case 58:
               {
                 input.readMessage(
-                    getGroundingMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetGroundingMetadataFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000200;
                 break;
               } // case 58
@@ -1546,10 +1642,18 @@ public Builder mergeFrom(
               } // case 73
             case 82:
               {
-                input.readMessage(getLogprobsResultFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetLogprobsResultFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000010;
                 break;
               } // case 82
+            case 90:
+              {
+                input.readMessage(
+                    internalGetUrlContextMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000400;
+                break;
+              } // case 90
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -1626,7 +1730,7 @@ public Builder clearIndex() {
     }
 
     private com.google.cloud.vertexai.api.Content content_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
@@ -1785,7 +1889,7 @@ public Builder clearContent() {
     public com.google.cloud.vertexai.api.Content.Builder getContentBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getContentFieldBuilder().getBuilder();
+      return internalGetContentFieldBuilder().getBuilder();
     }
 
     /**
@@ -1820,14 +1924,14 @@ public com.google.cloud.vertexai.api.ContentOrBuilder getContentOrBuilder() {
      * .google.cloud.vertexai.v1.Content content = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
-        getContentFieldBuilder() {
+        internalGetContentFieldBuilder() {
       if (contentBuilder_ == null) {
         contentBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Content,
                 com.google.cloud.vertexai.api.Content.Builder,
                 com.google.cloud.vertexai.api.ContentOrBuilder>(
@@ -1950,7 +2054,7 @@ public Builder clearAvgLogprobs() {
     }
 
     private com.google.cloud.vertexai.api.LogprobsResult logprobsResult_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.LogprobsResult,
             com.google.cloud.vertexai.api.LogprobsResult.Builder,
             com.google.cloud.vertexai.api.LogprobsResultOrBuilder>
@@ -2111,7 +2215,7 @@ public Builder clearLogprobsResult() {
     public com.google.cloud.vertexai.api.LogprobsResult.Builder getLogprobsResultBuilder() {
       bitField0_ |= 0x00000010;
       onChanged();
-      return getLogprobsResultFieldBuilder().getBuilder();
+      return internalGetLogprobsResultFieldBuilder().getBuilder();
     }
 
     /**
@@ -2146,14 +2250,14 @@ public com.google.cloud.vertexai.api.LogprobsResultOrBuilder getLogprobsResultOr
      * .google.cloud.vertexai.v1.LogprobsResult logprobs_result = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.LogprobsResult,
             com.google.cloud.vertexai.api.LogprobsResult.Builder,
             com.google.cloud.vertexai.api.LogprobsResultOrBuilder>
-        getLogprobsResultFieldBuilder() {
+        internalGetLogprobsResultFieldBuilder() {
       if (logprobsResultBuilder_ == null) {
         logprobsResultBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.LogprobsResult,
                 com.google.cloud.vertexai.api.LogprobsResult.Builder,
                 com.google.cloud.vertexai.api.LogprobsResultOrBuilder>(
@@ -2286,7 +2390,7 @@ private void ensureSafetyRatingsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.SafetyRating,
             com.google.cloud.vertexai.api.SafetyRating.Builder,
             com.google.cloud.vertexai.api.SafetyRatingOrBuilder>
@@ -2598,7 +2702,7 @@ public Builder removeSafetyRatings(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.SafetyRating.Builder getSafetyRatingsBuilder(int index) {
-      return getSafetyRatingsFieldBuilder().getBuilder(index);
+      return internalGetSafetyRatingsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -2659,7 +2763,7 @@ public com.google.cloud.vertexai.api.SafetyRatingOrBuilder getSafetyRatingsOrBui
      * </code>
      */
     public com.google.cloud.vertexai.api.SafetyRating.Builder addSafetyRatingsBuilder() {
-      return getSafetyRatingsFieldBuilder()
+      return internalGetSafetyRatingsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.SafetyRating.getDefaultInstance());
     }
 
@@ -2677,7 +2781,7 @@ public com.google.cloud.vertexai.api.SafetyRating.Builder addSafetyRatingsBuilde
      * </code>
      */
     public com.google.cloud.vertexai.api.SafetyRating.Builder addSafetyRatingsBuilder(int index) {
-      return getSafetyRatingsFieldBuilder()
+      return internalGetSafetyRatingsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.SafetyRating.getDefaultInstance());
     }
 
@@ -2696,17 +2800,17 @@ public com.google.cloud.vertexai.api.SafetyRating.Builder addSafetyRatingsBuilde
      */
     public java.util.List<com.google.cloud.vertexai.api.SafetyRating.Builder>
         getSafetyRatingsBuilderList() {
-      return getSafetyRatingsFieldBuilder().getBuilderList();
+      return internalGetSafetyRatingsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.SafetyRating,
             com.google.cloud.vertexai.api.SafetyRating.Builder,
             com.google.cloud.vertexai.api.SafetyRatingOrBuilder>
-        getSafetyRatingsFieldBuilder() {
+        internalGetSafetyRatingsFieldBuilder() {
       if (safetyRatingsBuilder_ == null) {
         safetyRatingsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.SafetyRating,
                 com.google.cloud.vertexai.api.SafetyRating.Builder,
                 com.google.cloud.vertexai.api.SafetyRatingOrBuilder>(
@@ -2852,7 +2956,7 @@ public Builder setFinishMessageBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.cloud.vertexai.api.CitationMetadata citationMetadata_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.CitationMetadata,
             com.google.cloud.vertexai.api.CitationMetadata.Builder,
             com.google.cloud.vertexai.api.CitationMetadataOrBuilder>
@@ -3013,7 +3117,7 @@ public Builder clearCitationMetadata() {
     public com.google.cloud.vertexai.api.CitationMetadata.Builder getCitationMetadataBuilder() {
       bitField0_ |= 0x00000100;
       onChanged();
-      return getCitationMetadataFieldBuilder().getBuilder();
+      return internalGetCitationMetadataFieldBuilder().getBuilder();
     }
 
     /**
@@ -3048,14 +3152,14 @@ public com.google.cloud.vertexai.api.CitationMetadataOrBuilder getCitationMetada
      * .google.cloud.vertexai.v1.CitationMetadata citation_metadata = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.CitationMetadata,
             com.google.cloud.vertexai.api.CitationMetadata.Builder,
             com.google.cloud.vertexai.api.CitationMetadataOrBuilder>
-        getCitationMetadataFieldBuilder() {
+        internalGetCitationMetadataFieldBuilder() {
       if (citationMetadataBuilder_ == null) {
         citationMetadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.CitationMetadata,
                 com.google.cloud.vertexai.api.CitationMetadata.Builder,
                 com.google.cloud.vertexai.api.CitationMetadataOrBuilder>(
@@ -3066,7 +3170,7 @@ public com.google.cloud.vertexai.api.CitationMetadataOrBuilder getCitationMetada
     }
 
     private com.google.cloud.vertexai.api.GroundingMetadata groundingMetadata_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GroundingMetadata,
             com.google.cloud.vertexai.api.GroundingMetadata.Builder,
             com.google.cloud.vertexai.api.GroundingMetadataOrBuilder>
@@ -3227,7 +3331,7 @@ public Builder clearGroundingMetadata() {
     public com.google.cloud.vertexai.api.GroundingMetadata.Builder getGroundingMetadataBuilder() {
       bitField0_ |= 0x00000200;
       onChanged();
-      return getGroundingMetadataFieldBuilder().getBuilder();
+      return internalGetGroundingMetadataFieldBuilder().getBuilder();
     }
 
     /**
@@ -3263,14 +3367,14 @@ public com.google.cloud.vertexai.api.GroundingMetadata.Builder getGroundingMetad
      * .google.cloud.vertexai.v1.GroundingMetadata grounding_metadata = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GroundingMetadata,
             com.google.cloud.vertexai.api.GroundingMetadata.Builder,
             com.google.cloud.vertexai.api.GroundingMetadataOrBuilder>
-        getGroundingMetadataFieldBuilder() {
+        internalGetGroundingMetadataFieldBuilder() {
       if (groundingMetadataBuilder_ == null) {
         groundingMetadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GroundingMetadata,
                 com.google.cloud.vertexai.api.GroundingMetadata.Builder,
                 com.google.cloud.vertexai.api.GroundingMetadataOrBuilder>(
@@ -3280,15 +3384,219 @@ public com.google.cloud.vertexai.api.GroundingMetadata.Builder getGroundingMetad
       return groundingMetadataBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    private com.google.cloud.vertexai.api.UrlContextMetadata urlContextMetadata_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.UrlContextMetadata,
+            com.google.cloud.vertexai.api.UrlContextMetadata.Builder,
+            com.google.cloud.vertexai.api.UrlContextMetadataOrBuilder>
+        urlContextMetadataBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Metadata related to url context retrieval tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the urlContextMetadata field is set.
+     */
+    public boolean hasUrlContextMetadata() {
+      return ((bitField0_ & 0x00000400) != 0);
     }
 
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Metadata related to url context retrieval tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The urlContextMetadata.
+     */
+    public com.google.cloud.vertexai.api.UrlContextMetadata getUrlContextMetadata() {
+      if (urlContextMetadataBuilder_ == null) {
+        return urlContextMetadata_ == null
+            ? com.google.cloud.vertexai.api.UrlContextMetadata.getDefaultInstance()
+            : urlContextMetadata_;
+      } else {
+        return urlContextMetadataBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Metadata related to url context retrieval tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setUrlContextMetadata(com.google.cloud.vertexai.api.UrlContextMetadata value) {
+      if (urlContextMetadataBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        urlContextMetadata_ = value;
+      } else {
+        urlContextMetadataBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000400;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Metadata related to url context retrieval tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setUrlContextMetadata(
+        com.google.cloud.vertexai.api.UrlContextMetadata.Builder builderForValue) {
+      if (urlContextMetadataBuilder_ == null) {
+        urlContextMetadata_ = builderForValue.build();
+      } else {
+        urlContextMetadataBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000400;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Metadata related to url context retrieval tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeUrlContextMetadata(com.google.cloud.vertexai.api.UrlContextMetadata value) {
+      if (urlContextMetadataBuilder_ == null) {
+        if (((bitField0_ & 0x00000400) != 0)
+            && urlContextMetadata_ != null
+            && urlContextMetadata_
+                != com.google.cloud.vertexai.api.UrlContextMetadata.getDefaultInstance()) {
+          getUrlContextMetadataBuilder().mergeFrom(value);
+        } else {
+          urlContextMetadata_ = value;
+        }
+      } else {
+        urlContextMetadataBuilder_.mergeFrom(value);
+      }
+      if (urlContextMetadata_ != null) {
+        bitField0_ |= 0x00000400;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Metadata related to url context retrieval tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearUrlContextMetadata() {
+      bitField0_ = (bitField0_ & ~0x00000400);
+      urlContextMetadata_ = null;
+      if (urlContextMetadataBuilder_ != null) {
+        urlContextMetadataBuilder_.dispose();
+        urlContextMetadataBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Metadata related to url context retrieval tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.UrlContextMetadata.Builder getUrlContextMetadataBuilder() {
+      bitField0_ |= 0x00000400;
+      onChanged();
+      return internalGetUrlContextMetadataFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Metadata related to url context retrieval tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.UrlContextMetadataOrBuilder
+        getUrlContextMetadataOrBuilder() {
+      if (urlContextMetadataBuilder_ != null) {
+        return urlContextMetadataBuilder_.getMessageOrBuilder();
+      } else {
+        return urlContextMetadata_ == null
+            ? com.google.cloud.vertexai.api.UrlContextMetadata.getDefaultInstance()
+            : urlContextMetadata_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Metadata related to url context retrieval tool.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.UrlContextMetadata,
+            com.google.cloud.vertexai.api.UrlContextMetadata.Builder,
+            com.google.cloud.vertexai.api.UrlContextMetadataOrBuilder>
+        internalGetUrlContextMetadataFieldBuilder() {
+      if (urlContextMetadataBuilder_ == null) {
+        urlContextMetadataBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.UrlContextMetadata,
+                com.google.cloud.vertexai.api.UrlContextMetadata.Builder,
+                com.google.cloud.vertexai.api.UrlContextMetadataOrBuilder>(
+                getUrlContextMetadata(), getParentForChildren(), isClean());
+        urlContextMetadata_ = null;
+      }
+      return urlContextMetadataBuilder_;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Candidate)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CandidateOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CandidateOrBuilder.java
index 9ae329dd9306..71b7e56f4688 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CandidateOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CandidateOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface CandidateOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Candidate)
@@ -384,4 +386,47 @@ public interface CandidateOrBuilder
    * </code>
    */
   com.google.cloud.vertexai.api.GroundingMetadataOrBuilder getGroundingMetadataOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Metadata related to url context retrieval tool.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the urlContextMetadata field is set.
+   */
+  boolean hasUrlContextMetadata();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Metadata related to url context retrieval tool.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The urlContextMetadata.
+   */
+  com.google.cloud.vertexai.api.UrlContextMetadata getUrlContextMetadata();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Metadata related to url context retrieval tool.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UrlContextMetadata url_context_metadata = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.UrlContextMetadataOrBuilder getUrlContextMetadataOrBuilder();
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Citation.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Citation.java
index 5d5bff0c82ee..20b5b8e3196b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Citation.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Citation.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Citation}
  */
-public final class Citation extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Citation extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Citation)
     CitationOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Citation");
+  }
+
   // Use Citation.newBuilder() to construct.
-  private Citation(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Citation(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,13 @@ private Citation() {
     license_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Citation();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_Citation_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_Citation_fieldAccessorTable
@@ -336,14 +342,14 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (endIndex_ != 0) {
       output.writeInt32(2, endIndex_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(uri_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, uri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(uri_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, uri_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(title_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, title_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(title_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 4, title_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(license_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, license_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(license_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 5, license_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(6, getPublicationDate());
@@ -363,14 +369,14 @@ public int getSerializedSize() {
     if (endIndex_ != 0) {
       size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, endIndex_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(uri_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, uri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(uri_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, uri_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(title_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, title_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(title_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(4, title_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(license_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, license_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(license_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(5, license_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getPublicationDate());
@@ -466,38 +472,38 @@ public static com.google.cloud.vertexai.api.Citation parseFrom(
 
   public static com.google.cloud.vertexai.api.Citation parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Citation parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Citation parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Citation parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Citation parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Citation parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -520,7 +526,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -534,7 +540,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Citation}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Citation)
       com.google.cloud.vertexai.api.CitationOrBuilder {
@@ -544,7 +550,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_Citation_fieldAccessorTable
@@ -558,14 +564,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getPublicationDateFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetPublicationDateFieldBuilder();
       }
     }
 
@@ -643,39 +649,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.Citation result) {
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Citation) {
@@ -770,7 +743,8 @@ public Builder mergeFrom(
               } // case 42
             case 50:
               {
-                input.readMessage(getPublicationDateFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetPublicationDateFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000020;
                 break;
               } // case 50
@@ -1239,7 +1213,7 @@ public Builder setLicenseBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.type.Date publicationDate_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.type.Date, com.google.type.Date.Builder, com.google.type.DateOrBuilder>
         publicationDateBuilder_;
 
@@ -1389,7 +1363,7 @@ public Builder clearPublicationDate() {
     public com.google.type.Date.Builder getPublicationDateBuilder() {
       bitField0_ |= 0x00000020;
       onChanged();
-      return getPublicationDateFieldBuilder().getBuilder();
+      return internalGetPublicationDateFieldBuilder().getBuilder();
     }
 
     /**
@@ -1422,12 +1396,12 @@ public com.google.type.DateOrBuilder getPublicationDateOrBuilder() {
      * <code>.google.type.Date publication_date = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.type.Date, com.google.type.Date.Builder, com.google.type.DateOrBuilder>
-        getPublicationDateFieldBuilder() {
+        internalGetPublicationDateFieldBuilder() {
       if (publicationDateBuilder_ == null) {
         publicationDateBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.type.Date, com.google.type.Date.Builder, com.google.type.DateOrBuilder>(
                 getPublicationDate(), getParentForChildren(), isClean());
         publicationDate_ = null;
@@ -1435,17 +1409,6 @@ public com.google.type.DateOrBuilder getPublicationDateOrBuilder() {
       return publicationDateBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Citation)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CitationMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CitationMetadata.java
index 74fa4e7f49ab..ef93ea5b92d7 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CitationMetadata.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CitationMetadata.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.CitationMetadata}
  */
-public final class CitationMetadata extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class CitationMetadata extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.CitationMetadata)
     CitationMetadataOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "CitationMetadata");
+  }
+
   // Use CitationMetadata.newBuilder() to construct.
-  private CitationMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private CitationMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private CitationMetadata() {
     citations_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new CitationMetadata();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_CitationMetadata_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_CitationMetadata_fieldAccessorTable
@@ -253,38 +259,38 @@ public static com.google.cloud.vertexai.api.CitationMetadata parseFrom(
 
   public static com.google.cloud.vertexai.api.CitationMetadata parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CitationMetadata parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CitationMetadata parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CitationMetadata parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CitationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CitationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -307,7 +313,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -321,7 +327,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.CitationMetadata}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.CitationMetadata)
       com.google.cloud.vertexai.api.CitationMetadataOrBuilder {
@@ -331,7 +337,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_CitationMetadata_fieldAccessorTable
@@ -343,7 +349,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.CitationMetadata.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -409,39 +415,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.CitationMetadata result
       int from_bitField0_ = bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.CitationMetadata) {
@@ -473,8 +446,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.CitationMetadata other) {
             citations_ = other.citations_;
             bitField0_ = (bitField0_ & ~0x00000001);
             citationsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getCitationsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetCitationsFieldBuilder()
                     : null;
           } else {
             citationsBuilder_.addAllMessages(other.citations_);
@@ -549,7 +522,7 @@ private void ensureCitationsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Citation,
             com.google.cloud.vertexai.api.Citation.Builder,
             com.google.cloud.vertexai.api.CitationOrBuilder>
@@ -834,7 +807,7 @@ public Builder removeCitations(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Citation.Builder getCitationsBuilder(int index) {
-      return getCitationsFieldBuilder().getBuilder(index);
+      return internalGetCitationsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -888,7 +861,7 @@ public com.google.cloud.vertexai.api.CitationOrBuilder getCitationsOrBuilder(int
      * </code>
      */
     public com.google.cloud.vertexai.api.Citation.Builder addCitationsBuilder() {
-      return getCitationsFieldBuilder()
+      return internalGetCitationsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Citation.getDefaultInstance());
     }
 
@@ -904,7 +877,7 @@ public com.google.cloud.vertexai.api.Citation.Builder addCitationsBuilder() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Citation.Builder addCitationsBuilder(int index) {
-      return getCitationsFieldBuilder()
+      return internalGetCitationsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Citation.getDefaultInstance());
     }
 
@@ -921,17 +894,17 @@ public com.google.cloud.vertexai.api.Citation.Builder addCitationsBuilder(int in
      */
     public java.util.List<com.google.cloud.vertexai.api.Citation.Builder>
         getCitationsBuilderList() {
-      return getCitationsFieldBuilder().getBuilderList();
+      return internalGetCitationsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Citation,
             com.google.cloud.vertexai.api.Citation.Builder,
             com.google.cloud.vertexai.api.CitationOrBuilder>
-        getCitationsFieldBuilder() {
+        internalGetCitationsFieldBuilder() {
       if (citationsBuilder_ == null) {
         citationsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Citation,
                 com.google.cloud.vertexai.api.Citation.Builder,
                 com.google.cloud.vertexai.api.CitationOrBuilder>(
@@ -941,17 +914,6 @@ public com.google.cloud.vertexai.api.Citation.Builder addCitationsBuilder(int in
       return citationsBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.CitationMetadata)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CitationMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CitationMetadataOrBuilder.java
index a4a142d15673..a98456c14b82 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CitationMetadataOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CitationMetadataOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface CitationMetadataOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.CitationMetadata)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CitationOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CitationOrBuilder.java
index 0ce8c58a0b37..960708cddc40 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CitationOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CitationOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface CitationOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Citation)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ClientConnectionConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ClientConnectionConfig.java
index 9416a12be0b6..4333fa6e22a7 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ClientConnectionConfig.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ClientConnectionConfig.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ClientConnectionConfig}
  */
-public final class ClientConnectionConfig extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ClientConnectionConfig extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ClientConnectionConfig)
     ClientConnectionConfigOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ClientConnectionConfig");
+  }
+
   // Use ClientConnectionConfig.newBuilder() to construct.
-  private ClientConnectionConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ClientConnectionConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private ClientConnectionConfig() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ClientConnectionConfig();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointProto
         .internal_static_google_cloud_vertexai_v1_ClientConnectionConfig_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointProto
         .internal_static_google_cloud_vertexai_v1_ClientConnectionConfig_fieldAccessorTable
@@ -222,38 +228,38 @@ public static com.google.cloud.vertexai.api.ClientConnectionConfig parseFrom(
 
   public static com.google.cloud.vertexai.api.ClientConnectionConfig parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ClientConnectionConfig parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ClientConnectionConfig parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ClientConnectionConfig parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ClientConnectionConfig parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ClientConnectionConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -276,7 +282,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -290,7 +296,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ClientConnectionConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ClientConnectionConfig)
       com.google.cloud.vertexai.api.ClientConnectionConfigOrBuilder {
@@ -300,7 +306,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointProto
           .internal_static_google_cloud_vertexai_v1_ClientConnectionConfig_fieldAccessorTable
@@ -314,14 +320,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getInferenceTimeoutFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetInferenceTimeoutFieldBuilder();
       }
     }
 
@@ -379,39 +385,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ClientConnectionConfig
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ClientConnectionConfig) {
@@ -457,7 +430,7 @@ public Builder mergeFrom(
             case 10:
               {
                 input.readMessage(
-                    getInferenceTimeoutFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetInferenceTimeoutFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -481,7 +454,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.protobuf.Duration inferenceTimeout_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Duration,
             com.google.protobuf.Duration.Builder,
             com.google.protobuf.DurationOrBuilder>
@@ -626,7 +599,7 @@ public Builder clearInferenceTimeout() {
     public com.google.protobuf.Duration.Builder getInferenceTimeoutBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getInferenceTimeoutFieldBuilder().getBuilder();
+      return internalGetInferenceTimeoutFieldBuilder().getBuilder();
     }
 
     /**
@@ -657,14 +630,14 @@ public com.google.protobuf.DurationOrBuilder getInferenceTimeoutOrBuilder() {
      *
      * <code>.google.protobuf.Duration inference_timeout = 1;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Duration,
             com.google.protobuf.Duration.Builder,
             com.google.protobuf.DurationOrBuilder>
-        getInferenceTimeoutFieldBuilder() {
+        internalGetInferenceTimeoutFieldBuilder() {
       if (inferenceTimeoutBuilder_ == null) {
         inferenceTimeoutBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Duration,
                 com.google.protobuf.Duration.Builder,
                 com.google.protobuf.DurationOrBuilder>(
@@ -674,17 +647,6 @@ public com.google.protobuf.DurationOrBuilder getInferenceTimeoutOrBuilder() {
       return inferenceTimeoutBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ClientConnectionConfig)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ClientConnectionConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ClientConnectionConfigOrBuilder.java
index 5997418a678e..34f7bcb6529f 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ClientConnectionConfigOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ClientConnectionConfigOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ClientConnectionConfigOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ClientConnectionConfig)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CodeExecutionResult.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CodeExecutionResult.java
index fd6f3f6720b0..7d26a8b2cd89 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CodeExecutionResult.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CodeExecutionResult.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -30,14 +31,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.CodeExecutionResult}
  */
-public final class CodeExecutionResult extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class CodeExecutionResult extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.CodeExecutionResult)
     CodeExecutionResultOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "CodeExecutionResult");
+  }
+
   // Use CodeExecutionResult.newBuilder() to construct.
-  private CodeExecutionResult(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private CodeExecutionResult(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -46,19 +58,13 @@ private CodeExecutionResult() {
     output_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new CodeExecutionResult();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_CodeExecutionResult_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_CodeExecutionResult_fieldAccessorTable
@@ -122,6 +128,16 @@ public enum Outcome implements com.google.protobuf.ProtocolMessageEnum {
     UNRECOGNIZED(-1),
     ;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "Outcome");
+    }
+
     /**
      *
      *
@@ -228,7 +244,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
       return getDescriptor();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
       return com.google.cloud.vertexai.api.CodeExecutionResult.getDescriptor()
           .getEnumTypes()
           .get(0);
@@ -372,8 +388,8 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
             .getNumber()) {
       output.writeEnum(1, outcome_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(output_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, output_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(output_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, output_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -389,8 +405,8 @@ public int getSerializedSize() {
             .getNumber()) {
       size += com.google.protobuf.CodedOutputStream.computeEnumSize(1, outcome_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(output_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, output_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(output_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, output_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -467,38 +483,38 @@ public static com.google.cloud.vertexai.api.CodeExecutionResult parseFrom(
 
   public static com.google.cloud.vertexai.api.CodeExecutionResult parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CodeExecutionResult parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CodeExecutionResult parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CodeExecutionResult parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CodeExecutionResult parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CodeExecutionResult parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -521,7 +537,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -537,7 +553,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.CodeExecutionResult}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.CodeExecutionResult)
       com.google.cloud.vertexai.api.CodeExecutionResultOrBuilder {
@@ -547,7 +563,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_CodeExecutionResult_fieldAccessorTable
@@ -559,7 +575,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.CodeExecutionResult.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -613,39 +629,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.CodeExecutionResult res
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.CodeExecutionResult) {
@@ -947,17 +930,6 @@ public Builder setOutputBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.CodeExecutionResult)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CodeExecutionResultOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CodeExecutionResultOrBuilder.java
index 4a91ab1fe917..c4882f5f9d44 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CodeExecutionResultOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CodeExecutionResultOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface CodeExecutionResultOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.CodeExecutionResult)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensRequest.java
index e06ff3b7f82d..f75b59a07893 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/llm_utility_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ComputeTokensRequest}
  */
-public final class ComputeTokensRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ComputeTokensRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ComputeTokensRequest)
     ComputeTokensRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ComputeTokensRequest");
+  }
+
   // Use ComputeTokensRequest.newBuilder() to construct.
-  private ComputeTokensRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ComputeTokensRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -46,19 +58,13 @@ private ComputeTokensRequest() {
     contents_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ComputeTokensRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.LlmUtilityServiceProto
         .internal_static_google_cloud_vertexai_v1_ComputeTokensRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.LlmUtilityServiceProto
         .internal_static_google_cloud_vertexai_v1_ComputeTokensRequest_fieldAccessorTable
@@ -373,14 +379,14 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
     for (int i = 0; i < instances_.size(); i++) {
       output.writeMessage(2, instances_.get(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(model_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, model_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(model_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, model_);
     }
     for (int i = 0; i < contents_.size(); i++) {
       output.writeMessage(4, contents_.get(i));
@@ -394,14 +400,14 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
     for (int i = 0; i < instances_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, instances_.get(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(model_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, model_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(model_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, model_);
     }
     for (int i = 0; i < contents_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, contents_.get(i));
@@ -491,38 +497,38 @@ public static com.google.cloud.vertexai.api.ComputeTokensRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.ComputeTokensRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ComputeTokensRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ComputeTokensRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ComputeTokensRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ComputeTokensRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ComputeTokensRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -545,7 +551,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -559,7 +565,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ComputeTokensRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ComputeTokensRequest)
       com.google.cloud.vertexai.api.ComputeTokensRequestOrBuilder {
@@ -569,7 +575,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.LlmUtilityServiceProto
           .internal_static_google_cloud_vertexai_v1_ComputeTokensRequest_fieldAccessorTable
@@ -581,7 +587,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.ComputeTokensRequest.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -672,39 +678,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ComputeTokensRequest re
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ComputeTokensRequest) {
@@ -742,8 +715,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.ComputeTokensRequest othe
             instances_ = other.instances_;
             bitField0_ = (bitField0_ & ~0x00000002);
             instancesBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getInstancesFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetInstancesFieldBuilder()
                     : null;
           } else {
             instancesBuilder_.addAllMessages(other.instances_);
@@ -774,8 +747,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.ComputeTokensRequest othe
             contents_ = other.contents_;
             bitField0_ = (bitField0_ & ~0x00000008);
             contentsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getContentsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetContentsFieldBuilder()
                     : null;
           } else {
             contentsBuilder_.addAllMessages(other.contents_);
@@ -1000,7 +973,7 @@ private void ensureInstancesIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
@@ -1308,7 +1281,7 @@ public Builder removeInstances(int index) {
      * </code>
      */
     public com.google.protobuf.Value.Builder getInstancesBuilder(int index) {
-      return getInstancesFieldBuilder().getBuilder(index);
+      return internalGetInstancesFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1368,7 +1341,8 @@ public com.google.protobuf.ValueOrBuilder getInstancesOrBuilder(int index) {
      * </code>
      */
     public com.google.protobuf.Value.Builder addInstancesBuilder() {
-      return getInstancesFieldBuilder().addBuilder(com.google.protobuf.Value.getDefaultInstance());
+      return internalGetInstancesFieldBuilder()
+          .addBuilder(com.google.protobuf.Value.getDefaultInstance());
     }
 
     /**
@@ -1385,7 +1359,7 @@ public com.google.protobuf.Value.Builder addInstancesBuilder() {
      * </code>
      */
     public com.google.protobuf.Value.Builder addInstancesBuilder(int index) {
-      return getInstancesFieldBuilder()
+      return internalGetInstancesFieldBuilder()
           .addBuilder(index, com.google.protobuf.Value.getDefaultInstance());
     }
 
@@ -1403,17 +1377,17 @@ public com.google.protobuf.Value.Builder addInstancesBuilder(int index) {
      * </code>
      */
     public java.util.List<com.google.protobuf.Value.Builder> getInstancesBuilderList() {
-      return getInstancesFieldBuilder().getBuilderList();
+      return internalGetInstancesFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
-        getInstancesFieldBuilder() {
+        internalGetInstancesFieldBuilder() {
       if (instancesBuilder_ == null) {
         instancesBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.protobuf.Value,
                 com.google.protobuf.Value.Builder,
                 com.google.protobuf.ValueOrBuilder>(
@@ -1554,7 +1528,7 @@ private void ensureContentsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
@@ -1839,7 +1813,7 @@ public Builder removeContents(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Content.Builder getContentsBuilder(int index) {
-      return getContentsFieldBuilder().getBuilder(index);
+      return internalGetContentsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1893,7 +1867,7 @@ public com.google.cloud.vertexai.api.ContentOrBuilder getContentsOrBuilder(int i
      * </code>
      */
     public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder() {
-      return getContentsFieldBuilder()
+      return internalGetContentsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Content.getDefaultInstance());
     }
 
@@ -1909,7 +1883,7 @@ public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder(int index) {
-      return getContentsFieldBuilder()
+      return internalGetContentsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Content.getDefaultInstance());
     }
 
@@ -1925,17 +1899,17 @@ public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder(int inde
      * </code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Content.Builder> getContentsBuilderList() {
-      return getContentsFieldBuilder().getBuilderList();
+      return internalGetContentsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
-        getContentsFieldBuilder() {
+        internalGetContentsFieldBuilder() {
       if (contentsBuilder_ == null) {
         contentsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Content,
                 com.google.cloud.vertexai.api.Content.Builder,
                 com.google.cloud.vertexai.api.ContentOrBuilder>(
@@ -1945,17 +1919,6 @@ public java.util.List<com.google.cloud.vertexai.api.Content.Builder> getContents
       return contentsBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ComputeTokensRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensRequestOrBuilder.java
index fef09c536022..6bb283c8f816 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/llm_utility_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ComputeTokensRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ComputeTokensRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensResponse.java
index 637b45c6bdb6..a47c2ff0838b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/llm_utility_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ComputeTokensResponse}
  */
-public final class ComputeTokensResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ComputeTokensResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ComputeTokensResponse)
     ComputeTokensResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ComputeTokensResponse");
+  }
+
   // Use ComputeTokensResponse.newBuilder() to construct.
-  private ComputeTokensResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ComputeTokensResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private ComputeTokensResponse() {
     tokensInfo_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ComputeTokensResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.LlmUtilityServiceProto
         .internal_static_google_cloud_vertexai_v1_ComputeTokensResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.LlmUtilityServiceProto
         .internal_static_google_cloud_vertexai_v1_ComputeTokensResponse_fieldAccessorTable
@@ -253,38 +259,38 @@ public static com.google.cloud.vertexai.api.ComputeTokensResponse parseFrom(
 
   public static com.google.cloud.vertexai.api.ComputeTokensResponse parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ComputeTokensResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ComputeTokensResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ComputeTokensResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ComputeTokensResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ComputeTokensResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -307,7 +313,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -321,7 +327,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ComputeTokensResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ComputeTokensResponse)
       com.google.cloud.vertexai.api.ComputeTokensResponseOrBuilder {
@@ -331,7 +337,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.LlmUtilityServiceProto
           .internal_static_google_cloud_vertexai_v1_ComputeTokensResponse_fieldAccessorTable
@@ -343,7 +349,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.ComputeTokensResponse.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -410,39 +416,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ComputeTokensResponse r
       int from_bitField0_ = bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ComputeTokensResponse) {
@@ -475,8 +448,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.ComputeTokensResponse oth
             tokensInfo_ = other.tokensInfo_;
             bitField0_ = (bitField0_ & ~0x00000001);
             tokensInfoBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getTokensInfoFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetTokensInfoFieldBuilder()
                     : null;
           } else {
             tokensInfoBuilder_.addAllMessages(other.tokensInfo_);
@@ -552,7 +525,7 @@ private void ensureTokensInfoIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.TokensInfo,
             com.google.cloud.vertexai.api.TokensInfo.Builder,
             com.google.cloud.vertexai.api.TokensInfoOrBuilder>
@@ -837,7 +810,7 @@ public Builder removeTokensInfo(int index) {
      * <code>repeated .google.cloud.vertexai.v1.TokensInfo tokens_info = 1;</code>
      */
     public com.google.cloud.vertexai.api.TokensInfo.Builder getTokensInfoBuilder(int index) {
-      return getTokensInfoFieldBuilder().getBuilder(index);
+      return internalGetTokensInfoFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -891,7 +864,7 @@ public com.google.cloud.vertexai.api.TokensInfoOrBuilder getTokensInfoOrBuilder(
      * <code>repeated .google.cloud.vertexai.v1.TokensInfo tokens_info = 1;</code>
      */
     public com.google.cloud.vertexai.api.TokensInfo.Builder addTokensInfoBuilder() {
-      return getTokensInfoFieldBuilder()
+      return internalGetTokensInfoFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.TokensInfo.getDefaultInstance());
     }
 
@@ -907,7 +880,7 @@ public com.google.cloud.vertexai.api.TokensInfo.Builder addTokensInfoBuilder() {
      * <code>repeated .google.cloud.vertexai.v1.TokensInfo tokens_info = 1;</code>
      */
     public com.google.cloud.vertexai.api.TokensInfo.Builder addTokensInfoBuilder(int index) {
-      return getTokensInfoFieldBuilder()
+      return internalGetTokensInfoFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.TokensInfo.getDefaultInstance());
     }
 
@@ -924,17 +897,17 @@ public com.google.cloud.vertexai.api.TokensInfo.Builder addTokensInfoBuilder(int
      */
     public java.util.List<com.google.cloud.vertexai.api.TokensInfo.Builder>
         getTokensInfoBuilderList() {
-      return getTokensInfoFieldBuilder().getBuilderList();
+      return internalGetTokensInfoFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.TokensInfo,
             com.google.cloud.vertexai.api.TokensInfo.Builder,
             com.google.cloud.vertexai.api.TokensInfoOrBuilder>
-        getTokensInfoFieldBuilder() {
+        internalGetTokensInfoFieldBuilder() {
       if (tokensInfoBuilder_ == null) {
         tokensInfoBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.TokensInfo,
                 com.google.cloud.vertexai.api.TokensInfo.Builder,
                 com.google.cloud.vertexai.api.TokensInfoOrBuilder>(
@@ -944,17 +917,6 @@ public com.google.cloud.vertexai.api.TokensInfo.Builder addTokensInfoBuilder(int
       return tokensInfoBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ComputeTokensResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensResponseOrBuilder.java
index 974c05360b1f..672ceeaed747 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/llm_utility_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ComputeTokensResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ComputeTokensResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContainerRegistryDestination.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContainerRegistryDestination.java
index 635ff4f537cb..cadaf0e9d630 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContainerRegistryDestination.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContainerRegistryDestination.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ContainerRegistryDestination}
  */
-public final class ContainerRegistryDestination extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ContainerRegistryDestination extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ContainerRegistryDestination)
     ContainerRegistryDestinationOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ContainerRegistryDestination");
+  }
+
   // Use ContainerRegistryDestination.newBuilder() to construct.
-  private ContainerRegistryDestination(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ContainerRegistryDestination(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private ContainerRegistryDestination() {
     outputUri_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ContainerRegistryDestination();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_ContainerRegistryDestination_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_ContainerRegistryDestination_fieldAccessorTable
@@ -78,10 +84,10 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    * Accepted forms:
    *
    * *  Google Container Registry path. For example:
-   *    `gcr.io/projectId/imageName:tag`.
+   * `gcr.io/projectId/imageName:tag`.
    *
    * *  Artifact Registry path. For example:
-   *    `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
+   * `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
    *
    * If a tag is not specified, "latest" will be used as the default tag.
    * </pre>
@@ -112,10 +118,10 @@ public java.lang.String getOutputUri() {
    * Accepted forms:
    *
    * *  Google Container Registry path. For example:
-   *    `gcr.io/projectId/imageName:tag`.
+   * `gcr.io/projectId/imageName:tag`.
    *
    * *  Artifact Registry path. For example:
-   *    `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
+   * `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
    *
    * If a tag is not specified, "latest" will be used as the default tag.
    * </pre>
@@ -151,8 +157,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputUri_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, outputUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(outputUri_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, outputUri_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -163,8 +169,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputUri_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, outputUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(outputUri_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, outputUri_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -238,38 +244,38 @@ public static com.google.cloud.vertexai.api.ContainerRegistryDestination parseFr
 
   public static com.google.cloud.vertexai.api.ContainerRegistryDestination parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ContainerRegistryDestination parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ContainerRegistryDestination parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ContainerRegistryDestination parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ContainerRegistryDestination parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ContainerRegistryDestination parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -293,7 +299,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -307,7 +313,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ContainerRegistryDestination}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ContainerRegistryDestination)
       com.google.cloud.vertexai.api.ContainerRegistryDestinationOrBuilder {
@@ -317,7 +323,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_ContainerRegistryDestination_fieldAccessorTable
@@ -329,7 +335,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.ContainerRegistryDestination.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -379,39 +385,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ContainerRegistryDestin
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ContainerRegistryDestination) {
@@ -492,10 +465,10 @@ public Builder mergeFrom(
      * Accepted forms:
      *
      * *  Google Container Registry path. For example:
-     *    `gcr.io/projectId/imageName:tag`.
+     * `gcr.io/projectId/imageName:tag`.
      *
      * *  Artifact Registry path. For example:
-     *    `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
+     * `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
      *
      * If a tag is not specified, "latest" will be used as the default tag.
      * </pre>
@@ -525,10 +498,10 @@ public java.lang.String getOutputUri() {
      * Accepted forms:
      *
      * *  Google Container Registry path. For example:
-     *    `gcr.io/projectId/imageName:tag`.
+     * `gcr.io/projectId/imageName:tag`.
      *
      * *  Artifact Registry path. For example:
-     *    `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
+     * `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
      *
      * If a tag is not specified, "latest" will be used as the default tag.
      * </pre>
@@ -558,10 +531,10 @@ public com.google.protobuf.ByteString getOutputUriBytes() {
      * Accepted forms:
      *
      * *  Google Container Registry path. For example:
-     *    `gcr.io/projectId/imageName:tag`.
+     * `gcr.io/projectId/imageName:tag`.
      *
      * *  Artifact Registry path. For example:
-     *    `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
+     * `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
      *
      * If a tag is not specified, "latest" will be used as the default tag.
      * </pre>
@@ -590,10 +563,10 @@ public Builder setOutputUri(java.lang.String value) {
      * Accepted forms:
      *
      * *  Google Container Registry path. For example:
-     *    `gcr.io/projectId/imageName:tag`.
+     * `gcr.io/projectId/imageName:tag`.
      *
      * *  Artifact Registry path. For example:
-     *    `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
+     * `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
      *
      * If a tag is not specified, "latest" will be used as the default tag.
      * </pre>
@@ -618,10 +591,10 @@ public Builder clearOutputUri() {
      * Accepted forms:
      *
      * *  Google Container Registry path. For example:
-     *    `gcr.io/projectId/imageName:tag`.
+     * `gcr.io/projectId/imageName:tag`.
      *
      * *  Artifact Registry path. For example:
-     *    `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
+     * `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
      *
      * If a tag is not specified, "latest" will be used as the default tag.
      * </pre>
@@ -642,17 +615,6 @@ public Builder setOutputUriBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ContainerRegistryDestination)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContainerRegistryDestinationOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContainerRegistryDestinationOrBuilder.java
index 24ea756ef481..0d72b4b83d1d 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContainerRegistryDestinationOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContainerRegistryDestinationOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ContainerRegistryDestinationOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ContainerRegistryDestination)
@@ -33,10 +35,10 @@ public interface ContainerRegistryDestinationOrBuilder
    * Accepted forms:
    *
    * *  Google Container Registry path. For example:
-   *    `gcr.io/projectId/imageName:tag`.
+   * `gcr.io/projectId/imageName:tag`.
    *
    * *  Artifact Registry path. For example:
-   *    `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
+   * `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
    *
    * If a tag is not specified, "latest" will be used as the default tag.
    * </pre>
@@ -56,10 +58,10 @@ public interface ContainerRegistryDestinationOrBuilder
    * Accepted forms:
    *
    * *  Google Container Registry path. For example:
-   *    `gcr.io/projectId/imageName:tag`.
+   * `gcr.io/projectId/imageName:tag`.
    *
    * *  Artifact Registry path. For example:
-   *    `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
+   * `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.
    *
    * If a tag is not specified, "latest" will be used as the default tag.
    * </pre>
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Content.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Content.java
index 18f7babfeda8..9935a3e98e56 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Content.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Content.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -32,14 +33,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Content}
  */
-public final class Content extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Content extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Content)
     ContentOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Content");
+  }
+
   // Use Content.newBuilder() to construct.
-  private Content(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Content(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -48,19 +60,13 @@ private Content() {
     parts_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Content();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_Content_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_Content_fieldAccessorTable
@@ -233,8 +239,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(role_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, role_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(role_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, role_);
     }
     for (int i = 0; i < parts_.size(); i++) {
       output.writeMessage(2, parts_.get(i));
@@ -248,8 +254,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(role_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, role_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(role_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, role_);
     }
     for (int i = 0; i < parts_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, parts_.get(i));
@@ -329,38 +335,38 @@ public static com.google.cloud.vertexai.api.Content parseFrom(
 
   public static com.google.cloud.vertexai.api.Content parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Content parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Content parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Content parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Content parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Content parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -383,7 +389,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -401,7 +407,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Content}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Content)
       com.google.cloud.vertexai.api.ContentOrBuilder {
@@ -411,7 +417,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_Content_fieldAccessorTable
@@ -423,7 +429,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.Content.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -493,39 +499,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.Content result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Content) {
@@ -562,8 +535,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Content other) {
             parts_ = other.parts_;
             bitField0_ = (bitField0_ & ~0x00000002);
             partsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getPartsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetPartsFieldBuilder()
                     : null;
           } else {
             partsBuilder_.addAllMessages(other.parts_);
@@ -770,7 +743,7 @@ private void ensurePartsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Part,
             com.google.cloud.vertexai.api.Part.Builder,
             com.google.cloud.vertexai.api.PartOrBuilder>
@@ -1066,7 +1039,7 @@ public Builder removeParts(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Part.Builder getPartsBuilder(int index) {
-      return getPartsFieldBuilder().getBuilder(index);
+      return internalGetPartsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1123,7 +1096,7 @@ public com.google.cloud.vertexai.api.PartOrBuilder getPartsOrBuilder(int index)
      * </code>
      */
     public com.google.cloud.vertexai.api.Part.Builder addPartsBuilder() {
-      return getPartsFieldBuilder()
+      return internalGetPartsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Part.getDefaultInstance());
     }
 
@@ -1140,7 +1113,7 @@ public com.google.cloud.vertexai.api.Part.Builder addPartsBuilder() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Part.Builder addPartsBuilder(int index) {
-      return getPartsFieldBuilder()
+      return internalGetPartsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Part.getDefaultInstance());
     }
 
@@ -1157,17 +1130,17 @@ public com.google.cloud.vertexai.api.Part.Builder addPartsBuilder(int index) {
      * </code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Part.Builder> getPartsBuilderList() {
-      return getPartsFieldBuilder().getBuilderList();
+      return internalGetPartsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Part,
             com.google.cloud.vertexai.api.Part.Builder,
             com.google.cloud.vertexai.api.PartOrBuilder>
-        getPartsFieldBuilder() {
+        internalGetPartsFieldBuilder() {
       if (partsBuilder_ == null) {
         partsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Part,
                 com.google.cloud.vertexai.api.Part.Builder,
                 com.google.cloud.vertexai.api.PartOrBuilder>(
@@ -1177,17 +1150,6 @@ public java.util.List<com.google.cloud.vertexai.api.Part.Builder> getPartsBuilde
       return partsBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Content)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContentOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContentOrBuilder.java
index 8887c9d49441..808ecebb8458 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContentOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContentOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ContentOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Content)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContentProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContentProto.java
index 40954ca0cb14..f93dafe0364b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContentProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContentProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class ContentProto {
+@com.google.protobuf.Generated
+public final class ContentProto extends com.google.protobuf.GeneratedFile {
   private ContentProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ContentProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,107 +42,167 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Content_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Content_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Part_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Part_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Blob_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Blob_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_FileData_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_FileData_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_VideoMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_VideoMetadata_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_PrebuiltVoiceConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_PrebuiltVoiceConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_ReplicatedVoiceConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_ReplicatedVoiceConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_VoiceConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_VoiceConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_SpeakerVoiceConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_SpeakerVoiceConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_MultiSpeakerVoiceConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_MultiSpeakerVoiceConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_SpeechConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_SpeechConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_ImageConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_ImageConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GenerationConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GenerationConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_AutoRoutingMode_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_AutoRoutingMode_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_ManualRoutingMode_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_ManualRoutingMode_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_GenerationConfig_ThinkingConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_GenerationConfig_ThinkingConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_SafetySetting_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_SafetySetting_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_SafetyRating_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_SafetyRating_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_CitationMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_CitationMetadata_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Citation_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Citation_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Candidate_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Candidate_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_UrlContextMetadata_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_UrlContextMetadata_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_UrlMetadata_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_UrlMetadata_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_LogprobsResult_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
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   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_LogprobsResult_Candidate_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_LogprobsResult_Candidate_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_LogprobsResult_TopCandidates_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
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   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Segment_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Segment_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GroundingChunk_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
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   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GroundingChunk_Web_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
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   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GroundingChunk_RetrievedContext_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GroundingChunk_RetrievedContext_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_ReviewSnippet_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_ReviewSnippet_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GroundingSupport_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GroundingSupport_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GroundingMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GroundingMetadata_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_GroundingMetadata_SourceFlaggingUri_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_GroundingMetadata_SourceFlaggingUri_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_SearchEntryPoint_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_SearchEntryPoint_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_RetrievalMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_RetrievalMetadata_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_ModelArmorConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_ModelArmorConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ModalityTokenCount_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ModalityTokenCount_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -141,197 +213,380 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
 
   static {
     java.lang.String[] descriptorData = {
-      "\n&google/cloud/vertexai/v1/content.proto"
+      "\n"
+          + "&google/cloud/vertexai/v1/content.proto"
           + "\022\030google.cloud.vertexai.v1\032\037google/api/f"
-          + "ield_behavior.proto\032&google/cloud/vertex"
-          + "ai/v1/openapi.proto\032#google/cloud/vertex"
-          + "ai/v1/tool.proto\032\036google/protobuf/durati"
-          + "on.proto\032\026google/type/date.proto\"P\n\007Cont"
-          + "ent\022\021\n\004role\030\001 \001(\tB\003\340A\001\0222\n\005parts\030\002 \003(\0132\036."
-          + "google.cloud.vertexai.v1.PartB\003\340A\002\"\244\004\n\004P"
-          + "art\022\023\n\004text\030\001 \001(\tB\003\340A\001H\000\022:\n\013inline_data\030"
-          + "\002 \001(\0132\036.google.cloud.vertexai.v1.BlobB\003\340"
-          + "A\001H\000\022<\n\tfile_data\030\003 \001(\0132\".google.cloud.v"
-          + "ertexai.v1.FileDataB\003\340A\001H\000\022D\n\rfunction_c"
-          + "all\030\005 \001(\0132&.google.cloud.vertexai.v1.Fun"
-          + "ctionCallB\003\340A\001H\000\022L\n\021function_response\030\006 "
-          + "\001(\0132*.google.cloud.vertexai.v1.FunctionR"
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+          + " \001(\0132%.google.cloud.vertexai.v1.ImageConfigB\003\340A\001H\016\210\001\001\032\274\004\n\r"
+          + "RoutingConfig\022]\n"
+          + "\tauto_mode\030\001 \001(\0132H.google.cloud.vertexai.v1."
+          + "GenerationConfig.RoutingConfig.AutoRoutingModeH\000\022a\n"
+          + "\013manual_mode\030\002 \001(\0132J.google.c"
+          + "loud.vertexai.v1.GenerationConfig.RoutingConfig.ManualRoutingModeH\000\032\231\002\n"
+          + "\017AutoRoutingMode\022\206\001\n"
+          + "\030model_routing_preference\030\001 \001(\0162_.google.cloud.vertexai.v1.Generation"
+          + "Config.RoutingConfig.AutoRoutingMode.ModelRoutingPreferenceH\000\210\001\001\"`\n"
+          + "\026ModelRoutingPreference\022\013\n"
+          + "\007UNKNOWN\020\000\022\026\n"
+          + "\022PRIORITIZE_QUALITY\020\001\022\014\n"
+          + "\010BALANCED\020\002\022\023\n"
+          + "\017PRIORITIZE_COST\020\003B\033\n"
+          + "\031_model_routing_preference\032;\n"
+          + "\021ManualRoutingMode\022\027\n\n"
+          + "model_name\030\001 \001(\tH\000\210\001\001B\r\n"
+          + "\013_model_nameB\020\n"
+          + "\016routing_config\032\200\001\n"
+          + "\016ThinkingConfig\022\"\n"
+          + "\020include_thoughts\030\001 \001(\010B\003\340A\001H\000\210\001\001\022!\n"
+          + "\017thinking_budget\030\003 \001(\005B\003\340A\001H\001\210\001\001B\023\n"
+          + "\021_include_thoughtsB\022\n"
+          + "\020_thinking_budgetB\016\n"
+          + "\014_temperatureB\010\n"
+          + "\006_top_pB\010\n"
+          + "\006_top_kB\022\n"
+          + "\020_candidate_countB\024\n"
+          + "\022_max_output_tokensB\024\n"
+          + "\022_response_logprobsB\013\n"
+          + "\t_logprobsB\023\n"
+          + "\021_presence_penaltyB\024\n"
+          + "\022_frequency_penaltyB\007\n"
+          + "\005_seedB\022\n"
+          + "\020_response_schemaB\027\n"
+          + "\025_response_json_schemaB\021\n"
+          + "\017_routing_configB\020\n"
+          + "\016_speech_configB\017\n\r"
+          + "_image_config\"\345\003\n\r"
+          + "SafetySetting\022=\n"
+          + "\010category\030\001"
+          + " \001(\0162&.google.cloud.vertexai.v1.HarmCategoryB\003\340A\002\022R\n"
+          + "\tthreshold\030\002"
+          + " \001(\0162:.google.cloud.vertexai.v1.SafetySetting.HarmBlockThresholdB\003\340A\002\022L\n"
+          + "\006method\030\004"
+          + " \001(\01627.google.cloud.vertexai.v1.SafetySetting.HarmBlockMethodB\003\340A\001\"\235\001\n"
+          + "\022HarmBlockThreshold\022$\n"
+          + " HARM_BLOCK_THRESHOLD_UNSPECIFIED\020\000\022\027\n"
+          + "\023BLOCK_LOW_AND_ABOVE\020\001\022\032\n"
+          + "\026BLOCK_MEDIUM_AND_ABOVE\020\002\022\023\n"
+          + "\017BLOCK_ONLY_HIGH\020\003\022\016\n\n"
+          + "BLOCK_NONE\020\004\022\007\n"
+          + "\003OFF\020\005\"S\n"
+          + "\017HarmBlockMethod\022!\n"
+          + "\035HARM_BLOCK_METHOD_UNSPECIFIED\020\000\022\014\n"
+          + "\010SEVERITY\020\001\022\017\n"
+          + "\013PROBABILITY\020\002\"\271\004\n"
+          + "\014SafetyRating\022=\n"
+          + "\010category\030\001"
+          + " \001(\0162&.google.cloud.vertexai.v1.HarmCategoryB\003\340A\003\022P\n"
+          + "\013probability\030\002"
+          + " \001(\01626.google.cloud.vertexai.v1.SafetyRating.HarmProbabilityB\003\340A\003\022\036\n"
+          + "\021probability_score\030\005 \001(\002B\003\340A\003\022J\n"
+          + "\010severity\030\006"
+          + " \001(\01623.google.cloud.vertexai.v1.SafetyRating.HarmSeverityB\003\340A\003\022\033\n"
+          + "\016severity_score\030\007 \001(\002B\003\340A\003\022\024\n"
+          + "\007blocked\030\003 \001(\010B\003\340A\003\"b\n"
+          + "\017HarmProbability\022 \n"
+          + "\034HARM_PROBABILITY_UNSPECIFIED\020\000\022\016\n\n"
+          + "NEGLIGIBLE\020\001\022\007\n"
+          + "\003LOW\020\002\022\n\n"
+          + "\006MEDIUM\020\003\022\010\n"
+          + "\004HIGH\020\004\"\224\001\n"
+          + "\014HarmSeverity\022\035\n"
+          + "\031HARM_SEVERITY_UNSPECIFIED\020\000\022\034\n"
+          + "\030HARM_SEVERITY_NEGLIGIBLE\020\001\022\025\n"
+          + "\021HARM_SEVERITY_LOW\020\002\022\030\n"
+          + "\024HARM_SEVERITY_MEDIUM\020\003\022\026\n"
+          + "\022HARM_SEVERITY_HIGH\020\004\"N\n"
+          + "\020CitationMetadata\022:\n"
+          + "\tcitations\030\001"
+          + " \003(\0132\".google.cloud.vertexai.v1.CitationB\003\340A\003\"\252\001\n"
+          + "\010Citation\022\030\n"
+          + "\013start_index\030\001 \001(\005B\003\340A\003\022\026\n"
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+          + "\003uri\030\003 \001(\tB\003\340A\003\022\022\n"
+          + "\005title\030\004 \001(\tB\003\340A\003\022\024\n"
+          + "\007license\030\005 \001(\tB\003\340A\003\0220\n"
+          + "\020publication_date\030\006 \001(\0132\021.google.type.DateB\003\340A\003\"\322\006\n"
+          + "\tCandidate\022\022\n"
+          + "\005index\030\001 \001(\005B\003\340A\003\0227\n"
+          + "\007content\030\002"
+          + " \001(\0132!.google.cloud.vertexai.v1.ContentB\003\340A\003\022\022\n"
+          + "\005score\030\010 \001(\001B\003\340A\003\022\031\n"
+          + "\014avg_logprobs\030\t \001(\001B\003\340A\003\022F\n"
+          + "\017logprobs_result\030\n"
+          + " \001(\0132(.google.cloud.vertexai.v1.LogprobsResultB\003\340A\003\022L\n\r"
+          + "finish_reason\030\003"
+          + " \001(\01620.google.cloud.vertexai.v1.Candidate.FinishReasonB\003\340A\003\022C\n"
+          + "\016safety_ratings\030\004"
+          + " \003(\0132&.google.cloud.vertexai.v1.SafetyRatingB\003\340A\003\022 \n"
+          + "\016finish_message\030\005 \001(\tB\003\340A\003H\000\210\001\001\022J\n"
+          + "\021citation_metadata\030\006 \001(\0132*.g"
+          + "oogle.cloud.vertexai.v1.CitationMetadataB\003\340A\003\022L\n"
+          + "\022grounding_metadata\030\007 \001(\0132+.goog"
+          + "le.cloud.vertexai.v1.GroundingMetadataB\003\340A\003\022O\n"
+          + "\024url_context_metadata\030\013 \001(\0132,.goog"
+          + "le.cloud.vertexai.v1.UrlContextMetadataB\003\340A\003\"\315\001\n"
+          + "\014FinishReason\022\035\n"
+          + "\031FINISH_REASON_UNSPECIFIED\020\000\022\010\n"
+          + "\004STOP\020\001\022\016\n\n"
+          + "MAX_TOKENS\020\002\022\n"
+          + "\n"
+          + "\006SAFETY\020\003\022\016\n\n"
+          + "RECITATION\020\004\022\t\n"
+          + "\005OTHER\020\005\022\r\n"
+          + "\tBLOCKLIST\020\006\022\026\n"
+          + "\022PROHIBITED_CONTENT\020\007\022\010\n"
+          + "\004SPII\020\010\022\033\n"
+          + "\027MALFORMED_FUNCTION_CALL\020\t\022\017\n"
+          + "\013MODEL_ARMOR\020\n"
+          + "B\021\n"
+          + "\017_finish_message\"V\n"
+          + "\022UrlContextMetadata\022@\n"
+          + "\014url_metadata\030\001 \003(\0132%.go"
+          + "ogle.cloud.vertexai.v1.UrlMetadataB\003\340A\003\"\372\001\n"
+          + "\013UrlMetadata\022\025\n\r"
+          + "retrieved_url\030\001 \001(\t\022V\n"
+          + "\024url_retrieval_status\030\002 \001(\01628.google.cl"
+          + "oud.vertexai.v1.UrlMetadata.UrlRetrievalStatus\"|\n"
+          + "\022UrlRetrievalStatus\022$\n"
+          + " URL_RETRIEVAL_STATUS_UNSPECIFIED\020\000\022 \n"
+          + "\034URL_RETRIEVAL_STATUS_SUCCESS\020\001\022\036\n"
+          + "\032URL_RETRIEVAL_STATUS_ERROR\020\002\"\211\003\n"
+          + "\016LogprobsResult\022N\n"
+          + "\016top_candidates\030\001"
+          + " \003(\01326.google.cloud.vertexai.v1.LogprobsResult.TopCandidates\022M\n"
+          + "\021chosen_candidates\030\002"
+          + " \003(\01322.google.cloud.vertexai.v1.LogprobsResult.Candidate\032\177\n"
+          + "\tCandidate\022\022\n"
+          + "\005token\030\001 \001(\tH\000\210\001\001\022\025\n"
+          + "\010token_id\030\003 \001(\005H\001\210\001\001\022\034\n"
+          + "\017log_probability\030\002 \001(\002H\002\210\001\001B\010\n"
+          + "\006_tokenB\013\n"
+          + "\t_token_idB\022\n"
+          + "\020_log_probability\032W\n\r"
+          + "TopCandidates\022F\n\n"
+          + "candidates\030\001 \003(\01322.google.cloud.vertexai.v1.LogprobsResult.Candidate\"g\n"
+          + "\007Segment\022\027\n\n"
+          + "part_index\030\001 \001(\005B\003\340A\003\022\030\n"
+          + "\013start_index\030\002 \001(\005B\003\340A\003\022\026\n"
+          + "\tend_index\030\003 \001(\005B\003\340A\003\022\021\n"
+          + "\004text\030\004 \001(\tB\003\340A\003\"\306\007\n"
+          + "\016GroundingChunk\022;\n"
+          + "\003web\030\001 \001(\0132,.google.cloud.vertexai.v1.GroundingChunk.WebH\000\022V\n"
+          + "\021retrieved_context\030\002 \001(\01329.google.cloud.vert"
+          + "exai.v1.GroundingChunk.RetrievedContextH\000\022=\n"
+          + "\004maps\030\003 \001(\0132-.google.cloud.vertexai.v1.GroundingChunk.MapsH\000\032=\n"
+          + "\003Web\022\020\n"
+          + "\003uri\030\001 \001(\tH\000\210\001\001\022\022\n"
+          + "\005title\030\002 \001(\tH\001\210\001\001B\006\n"
+          + "\004_uriB\010\n"
+          + "\006_title\032\345\001\n"
+          + "\020RetrievedContext\0227\n"
+          + "\trag_chunk\030\004 \001(\0132\".google.cloud.vertexai.v1.RagChunkH\000\022\020\n"
+          + "\003uri\030\001 \001(\tH\001\210\001\001\022\022\n"
+          + "\005title\030\002 \001(\tH\002\210\001\001\022\021\n"
+          + "\004text\030\003 \001(\tH\003\210\001\001\022\037\n\r"
+          + "document_name\030\006 \001(\tB\003\340A\003H\004\210\001\001B\021\n"
+          + "\017context_detailsB\006\n"
+          + "\004_uriB\010\n"
+          + "\006_titleB\007\n"
+          + "\005_textB\020\n"
+          + "\016_document_name\032\252\003\n"
+          + "\004Maps\022\020\n"
+          + "\003uri\030\001 \001(\tH\000\210\001\001\022\022\n"
+          + "\005title\030\002 \001(\tH\001\210\001\001\022\021\n"
+          + "\004text\030\003 \001(\tH\002\210\001\001\022\025\n"
+          + "\010place_id\030\004 \001(\tH\003\210\001\001\022^\n"
+          + "\024place_answer_sources\030\005 \001(\0132@"
+          + ".google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources\032\311\001\n"
+          + "\022PlaceAnswerSources\022g\n"
+          + "\017review_snippets\030\001 \003(\0132N.googl"
+          + "e.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet\032J\n\r"
+          + "ReviewSnippet\022\021\n"
+          + "\treview_id\030\001 \001(\t\022\027\n"
+          + "\017google_maps_uri\030\002 \001(\t\022\r\n"
+          + "\005title\030\003 \001(\tB\006\n"
+          + "\004_uriB\010\n"
+          + "\006_titleB\007\n"
+          + "\005_textB\013\n"
+          + "\t_place_idB\014\n\n"
+          + "chunk_type\"\223\001\n"
+          + "\020GroundingSupport\0227\n"
+          + "\007segment\030\001 \001(\013"
+          + "2!.google.cloud.vertexai.v1.SegmentH\000\210\001\001\022\037\n"
+          + "\027grounding_chunk_indices\030\002 \003(\005\022\031\n"
+          + "\021confidence_scores\030\003 \003(\002B\n\n"
+          + "\010_segment\"\226\005\n"
+          + "\021GroundingMetadata\022\037\n"
+          + "\022web_search_queries\030\001 \003(\tB\003\340A\001\022P\n"
+          + "\022search_entry_point\030\004 \001(\0132*.go"
+          + "ogle.cloud.vertexai.v1.SearchEntryPointB\003\340A\001H\000\210\001\001\022B\n"
+          + "\020grounding_chunks\030\005"
+          + " \003(\0132(.google.cloud.vertexai.v1.GroundingChunk\022K\n"
+          + "\022grounding_supports\030\006"
+          + " \003(\0132*.google.cloud.vertexai.v1.GroundingSupportB\003\340A\001\022T\n"
+          + "\022retrieval_metadata\030\007 \001(\0132+.google.cloud.ve"
+          + "rtexai.v1.RetrievalMetadataB\006\340A\001\340A\003H\001\210\001\001\0225\n"
+          + " google_maps_widget_context_token\030\010 \001("
+          + "\tB\006\340A\001\340A\003H\002\210\001\001\022[\n"
+          + "\024source_flagging_uris\030\t"
+          + " \003(\0132=.google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri\032@\n"
+          + "\021SourceFlaggingUri\022\021\n"
+          + "\tsource_id\030\001 \001(\t\022\030\n"
+          + "\020flag_content_uri\030\002 \001(\tB\025\n"
+          + "\023_search_entry_pointB\025\n"
+          + "\023_retrieval_metadataB#\n"
+          + "!_google_maps_widget_context_token\"H\n"
+          + "\020SearchEntryPoint\022\035\n"
+          + "\020rendered_content\030\001 \001(\tB\003\340A\001\022\025\n"
+          + "\010sdk_blob\030\002 \001(\014B\003\340A\001\"G\n"
+          + "\021RetrievalMetadata\0222\n"
+          + "%google_search_dynamic_retrieval_score\030\002 \001(\002B\003\340A\001\"\250\001\n"
+          + "\020ModelArmorConfig\022H\n"
+          + "\024prompt_template_name\030\001 \001(\tB*\340A\001\372A$\n"
+          + "\"modelarmor.googleapis.com/Template\022J\n"
+          + "\026response_template_name\030\002 \001(\tB*\340A\001\372A$\n"
+          + "\"modelarmor.googleapis.com/Template\"_\n"
+          + "\022ModalityTokenCount\0224\n"
+          + "\010modality\030\001 \001(\0162\".google.cloud.vertexai.v1.Modality\022\023\n"
+          + "\013token_count\030\002 \001(\005*\370\001\n"
+          + "\014HarmCategory\022\035\n"
+          + "\031HARM_CATEGORY_UNSPECIFIED\020\000\022\035\n"
+          + "\031HARM_CATEGORY_HATE_SPEECH\020\001\022#\n"
+          + "\037HARM_CATEGORY_DANGEROUS_CONTENT\020\002\022\034\n"
+          + "\030HARM_CATEGORY_HARASSMENT\020\003\022#\n"
+          + "\037HARM_CATEGORY_SEXUALLY_EXPLICIT\020\004\022%\n"
+          + "\035HARM_CATEGORY_CIVIC_INTEGRITY\020\005\032\002\010\001\022\033\n"
+          + "\027HARM_CATEGORY_JAILBREAK\020\006*]\n"
+          + "\010Modality\022\030\n"
+          + "\024MODALITY_UNSPECIFIED\020\000\022\010\n"
+          + "\004TEXT\020\001\022\t\n"
+          + "\005IMAGE\020\002\022\t\n"
+          + "\005VIDEO\020\003\022\t\n"
+          + "\005AUDIO\020\004\022\014\n"
+          + "\010DOCUMENT\020\005B\256\002\n"
+          + "\035com.google.cloud.vertexai.apiB\014ContentProtoP\001Z>cloud.goog"
+          + "le.com/go/aiplatform/apiv1/aiplatformpb;"
+          + "aiplatformpb\252\002\032Google.Cloud.AIPlatform.V"
+          + "1\312\002\032Google\\Cloud\\AIPlatform\\V1\352\002\035Google::Cloud::AIPlatform::V1\352Ab\n"
+          + "\"modelarmor.googleapis.com/Template\022<projects/{project"
+          + "}/locations/{location}/templates/{template}b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
             descriptorData,
             new com.google.protobuf.Descriptors.FileDescriptor[] {
               com.google.api.FieldBehaviorProto.getDescriptor(),
+              com.google.api.ResourceProto.getDescriptor(),
               com.google.cloud.vertexai.api.OpenApiProto.getDescriptor(),
               com.google.cloud.vertexai.api.ToolProto.getDescriptor(),
+              com.google.cloud.vertexai.api.VertexRagDataProto.getDescriptor(),
               com.google.protobuf.DurationProto.getDescriptor(),
+              com.google.protobuf.StructProto.getDescriptor(),
               com.google.type.DateProto.getDescriptor(),
             });
-    internal_static_google_cloud_vertexai_v1_Content_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+    internal_static_google_cloud_vertexai_v1_Content_descriptor = getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_Content_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Content_descriptor,
             new java.lang.String[] {
               "Role", "Parts",
             });
-    internal_static_google_cloud_vertexai_v1_Part_descriptor =
-        getDescriptor().getMessageTypes().get(1);
+    internal_static_google_cloud_vertexai_v1_Part_descriptor = getDescriptor().getMessageType(1);
     internal_static_google_cloud_vertexai_v1_Part_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Part_descriptor,
             new java.lang.String[] {
               "Text",
@@ -341,38 +596,95 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "FunctionResponse",
               "ExecutableCode",
               "CodeExecutionResult",
+              "Thought",
+              "ThoughtSignature",
               "VideoMetadata",
               "Data",
               "Metadata",
             });
-    internal_static_google_cloud_vertexai_v1_Blob_descriptor =
-        getDescriptor().getMessageTypes().get(2);
+    internal_static_google_cloud_vertexai_v1_Blob_descriptor = getDescriptor().getMessageType(2);
     internal_static_google_cloud_vertexai_v1_Blob_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Blob_descriptor,
             new java.lang.String[] {
               "MimeType", "Data",
             });
     internal_static_google_cloud_vertexai_v1_FileData_descriptor =
-        getDescriptor().getMessageTypes().get(3);
+        getDescriptor().getMessageType(3);
     internal_static_google_cloud_vertexai_v1_FileData_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_FileData_descriptor,
             new java.lang.String[] {
               "MimeType", "FileUri",
             });
     internal_static_google_cloud_vertexai_v1_VideoMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(4);
+        getDescriptor().getMessageType(4);
     internal_static_google_cloud_vertexai_v1_VideoMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_VideoMetadata_descriptor,
             new java.lang.String[] {
               "StartOffset", "EndOffset",
             });
+    internal_static_google_cloud_vertexai_v1_PrebuiltVoiceConfig_descriptor =
+        getDescriptor().getMessageType(5);
+    internal_static_google_cloud_vertexai_v1_PrebuiltVoiceConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_PrebuiltVoiceConfig_descriptor,
+            new java.lang.String[] {
+              "VoiceName",
+            });
+    internal_static_google_cloud_vertexai_v1_ReplicatedVoiceConfig_descriptor =
+        getDescriptor().getMessageType(6);
+    internal_static_google_cloud_vertexai_v1_ReplicatedVoiceConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_ReplicatedVoiceConfig_descriptor,
+            new java.lang.String[] {
+              "MimeType", "VoiceSampleAudio",
+            });
+    internal_static_google_cloud_vertexai_v1_VoiceConfig_descriptor =
+        getDescriptor().getMessageType(7);
+    internal_static_google_cloud_vertexai_v1_VoiceConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_VoiceConfig_descriptor,
+            new java.lang.String[] {
+              "PrebuiltVoiceConfig", "ReplicatedVoiceConfig", "VoiceConfig",
+            });
+    internal_static_google_cloud_vertexai_v1_SpeakerVoiceConfig_descriptor =
+        getDescriptor().getMessageType(8);
+    internal_static_google_cloud_vertexai_v1_SpeakerVoiceConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_SpeakerVoiceConfig_descriptor,
+            new java.lang.String[] {
+              "Speaker", "VoiceConfig",
+            });
+    internal_static_google_cloud_vertexai_v1_MultiSpeakerVoiceConfig_descriptor =
+        getDescriptor().getMessageType(9);
+    internal_static_google_cloud_vertexai_v1_MultiSpeakerVoiceConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_MultiSpeakerVoiceConfig_descriptor,
+            new java.lang.String[] {
+              "SpeakerVoiceConfigs",
+            });
+    internal_static_google_cloud_vertexai_v1_SpeechConfig_descriptor =
+        getDescriptor().getMessageType(10);
+    internal_static_google_cloud_vertexai_v1_SpeechConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_SpeechConfig_descriptor,
+            new java.lang.String[] {
+              "VoiceConfig", "LanguageCode", "MultiSpeakerVoiceConfig",
+            });
+    internal_static_google_cloud_vertexai_v1_ImageConfig_descriptor =
+        getDescriptor().getMessageType(11);
+    internal_static_google_cloud_vertexai_v1_ImageConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_ImageConfig_descriptor,
+            new java.lang.String[] {
+              "AspectRatio",
+            });
     internal_static_google_cloud_vertexai_v1_GenerationConfig_descriptor =
-        getDescriptor().getMessageTypes().get(5);
+        getDescriptor().getMessageType(12);
     internal_static_google_cloud_vertexai_v1_GenerationConfig_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GenerationConfig_descriptor,
             new java.lang.String[] {
               "Temperature",
@@ -388,74 +700,82 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Seed",
               "ResponseMimeType",
               "ResponseSchema",
+              "ResponseJsonSchema",
               "RoutingConfig",
+              "SpeechConfig",
+              "ThinkingConfig",
+              "ImageConfig",
             });
     internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_descriptor =
-        internal_static_google_cloud_vertexai_v1_GenerationConfig_descriptor
-            .getNestedTypes()
-            .get(0);
+        internal_static_google_cloud_vertexai_v1_GenerationConfig_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_descriptor,
             new java.lang.String[] {
               "AutoMode", "ManualMode", "RoutingConfig",
             });
     internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_AutoRoutingMode_descriptor =
         internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_descriptor
-            .getNestedTypes()
-            .get(0);
+            .getNestedType(0);
     internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_AutoRoutingMode_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_AutoRoutingMode_descriptor,
             new java.lang.String[] {
               "ModelRoutingPreference",
             });
     internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_ManualRoutingMode_descriptor =
         internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_descriptor
-            .getNestedTypes()
-            .get(1);
+            .getNestedType(1);
     internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_ManualRoutingMode_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_ManualRoutingMode_descriptor,
             new java.lang.String[] {
               "ModelName",
             });
+    internal_static_google_cloud_vertexai_v1_GenerationConfig_ThinkingConfig_descriptor =
+        internal_static_google_cloud_vertexai_v1_GenerationConfig_descriptor.getNestedType(1);
+    internal_static_google_cloud_vertexai_v1_GenerationConfig_ThinkingConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_GenerationConfig_ThinkingConfig_descriptor,
+            new java.lang.String[] {
+              "IncludeThoughts", "ThinkingBudget",
+            });
     internal_static_google_cloud_vertexai_v1_SafetySetting_descriptor =
-        getDescriptor().getMessageTypes().get(6);
+        getDescriptor().getMessageType(13);
     internal_static_google_cloud_vertexai_v1_SafetySetting_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_SafetySetting_descriptor,
             new java.lang.String[] {
               "Category", "Threshold", "Method",
             });
     internal_static_google_cloud_vertexai_v1_SafetyRating_descriptor =
-        getDescriptor().getMessageTypes().get(7);
+        getDescriptor().getMessageType(14);
     internal_static_google_cloud_vertexai_v1_SafetyRating_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_SafetyRating_descriptor,
             new java.lang.String[] {
               "Category", "Probability", "ProbabilityScore", "Severity", "SeverityScore", "Blocked",
             });
     internal_static_google_cloud_vertexai_v1_CitationMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(8);
+        getDescriptor().getMessageType(15);
     internal_static_google_cloud_vertexai_v1_CitationMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_CitationMetadata_descriptor,
             new java.lang.String[] {
               "Citations",
             });
     internal_static_google_cloud_vertexai_v1_Citation_descriptor =
-        getDescriptor().getMessageTypes().get(9);
+        getDescriptor().getMessageType(16);
     internal_static_google_cloud_vertexai_v1_Citation_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Citation_descriptor,
             new java.lang.String[] {
               "StartIndex", "EndIndex", "Uri", "Title", "License", "PublicationDate",
             });
     internal_static_google_cloud_vertexai_v1_Candidate_descriptor =
-        getDescriptor().getMessageTypes().get(10);
+        getDescriptor().getMessageType(17);
     internal_static_google_cloud_vertexai_v1_Candidate_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Candidate_descriptor,
             new java.lang.String[] {
               "Index",
@@ -468,75 +788,117 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "FinishMessage",
               "CitationMetadata",
               "GroundingMetadata",
+              "UrlContextMetadata",
+            });
+    internal_static_google_cloud_vertexai_v1_UrlContextMetadata_descriptor =
+        getDescriptor().getMessageType(18);
+    internal_static_google_cloud_vertexai_v1_UrlContextMetadata_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_UrlContextMetadata_descriptor,
+            new java.lang.String[] {
+              "UrlMetadata",
+            });
+    internal_static_google_cloud_vertexai_v1_UrlMetadata_descriptor =
+        getDescriptor().getMessageType(19);
+    internal_static_google_cloud_vertexai_v1_UrlMetadata_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_UrlMetadata_descriptor,
+            new java.lang.String[] {
+              "RetrievedUrl", "UrlRetrievalStatus",
             });
     internal_static_google_cloud_vertexai_v1_LogprobsResult_descriptor =
-        getDescriptor().getMessageTypes().get(11);
+        getDescriptor().getMessageType(20);
     internal_static_google_cloud_vertexai_v1_LogprobsResult_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_LogprobsResult_descriptor,
             new java.lang.String[] {
               "TopCandidates", "ChosenCandidates",
             });
     internal_static_google_cloud_vertexai_v1_LogprobsResult_Candidate_descriptor =
-        internal_static_google_cloud_vertexai_v1_LogprobsResult_descriptor.getNestedTypes().get(0);
+        internal_static_google_cloud_vertexai_v1_LogprobsResult_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_LogprobsResult_Candidate_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_LogprobsResult_Candidate_descriptor,
             new java.lang.String[] {
               "Token", "TokenId", "LogProbability",
             });
     internal_static_google_cloud_vertexai_v1_LogprobsResult_TopCandidates_descriptor =
-        internal_static_google_cloud_vertexai_v1_LogprobsResult_descriptor.getNestedTypes().get(1);
+        internal_static_google_cloud_vertexai_v1_LogprobsResult_descriptor.getNestedType(1);
     internal_static_google_cloud_vertexai_v1_LogprobsResult_TopCandidates_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_LogprobsResult_TopCandidates_descriptor,
             new java.lang.String[] {
               "Candidates",
             });
     internal_static_google_cloud_vertexai_v1_Segment_descriptor =
-        getDescriptor().getMessageTypes().get(12);
+        getDescriptor().getMessageType(21);
     internal_static_google_cloud_vertexai_v1_Segment_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Segment_descriptor,
             new java.lang.String[] {
               "PartIndex", "StartIndex", "EndIndex", "Text",
             });
     internal_static_google_cloud_vertexai_v1_GroundingChunk_descriptor =
-        getDescriptor().getMessageTypes().get(13);
+        getDescriptor().getMessageType(22);
     internal_static_google_cloud_vertexai_v1_GroundingChunk_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GroundingChunk_descriptor,
             new java.lang.String[] {
-              "Web", "RetrievedContext", "ChunkType",
+              "Web", "RetrievedContext", "Maps", "ChunkType",
             });
     internal_static_google_cloud_vertexai_v1_GroundingChunk_Web_descriptor =
-        internal_static_google_cloud_vertexai_v1_GroundingChunk_descriptor.getNestedTypes().get(0);
+        internal_static_google_cloud_vertexai_v1_GroundingChunk_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_GroundingChunk_Web_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GroundingChunk_Web_descriptor,
             new java.lang.String[] {
               "Uri", "Title",
             });
     internal_static_google_cloud_vertexai_v1_GroundingChunk_RetrievedContext_descriptor =
-        internal_static_google_cloud_vertexai_v1_GroundingChunk_descriptor.getNestedTypes().get(1);
+        internal_static_google_cloud_vertexai_v1_GroundingChunk_descriptor.getNestedType(1);
     internal_static_google_cloud_vertexai_v1_GroundingChunk_RetrievedContext_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GroundingChunk_RetrievedContext_descriptor,
             new java.lang.String[] {
-              "Uri", "Title", "Text",
+              "RagChunk", "Uri", "Title", "Text", "DocumentName", "ContextDetails",
+            });
+    internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_descriptor =
+        internal_static_google_cloud_vertexai_v1_GroundingChunk_descriptor.getNestedType(2);
+    internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_descriptor,
+            new java.lang.String[] {
+              "Uri", "Title", "Text", "PlaceId", "PlaceAnswerSources",
+            });
+    internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_descriptor =
+        internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_descriptor.getNestedType(0);
+    internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_descriptor,
+            new java.lang.String[] {
+              "ReviewSnippets",
+            });
+    internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_ReviewSnippet_descriptor =
+        internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_descriptor
+            .getNestedType(0);
+    internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_ReviewSnippet_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_ReviewSnippet_descriptor,
+            new java.lang.String[] {
+              "ReviewId", "GoogleMapsUri", "Title",
             });
     internal_static_google_cloud_vertexai_v1_GroundingSupport_descriptor =
-        getDescriptor().getMessageTypes().get(14);
+        getDescriptor().getMessageType(23);
     internal_static_google_cloud_vertexai_v1_GroundingSupport_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GroundingSupport_descriptor,
             new java.lang.String[] {
               "Segment", "GroundingChunkIndices", "ConfidenceScores",
             });
     internal_static_google_cloud_vertexai_v1_GroundingMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(15);
+        getDescriptor().getMessageType(24);
     internal_static_google_cloud_vertexai_v1_GroundingMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GroundingMetadata_descriptor,
             new java.lang.String[] {
               "WebSearchQueries",
@@ -544,41 +906,65 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "GroundingChunks",
               "GroundingSupports",
               "RetrievalMetadata",
+              "GoogleMapsWidgetContextToken",
+              "SourceFlaggingUris",
+            });
+    internal_static_google_cloud_vertexai_v1_GroundingMetadata_SourceFlaggingUri_descriptor =
+        internal_static_google_cloud_vertexai_v1_GroundingMetadata_descriptor.getNestedType(0);
+    internal_static_google_cloud_vertexai_v1_GroundingMetadata_SourceFlaggingUri_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_GroundingMetadata_SourceFlaggingUri_descriptor,
+            new java.lang.String[] {
+              "SourceId", "FlagContentUri",
             });
     internal_static_google_cloud_vertexai_v1_SearchEntryPoint_descriptor =
-        getDescriptor().getMessageTypes().get(16);
+        getDescriptor().getMessageType(25);
     internal_static_google_cloud_vertexai_v1_SearchEntryPoint_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_SearchEntryPoint_descriptor,
             new java.lang.String[] {
               "RenderedContent", "SdkBlob",
             });
     internal_static_google_cloud_vertexai_v1_RetrievalMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(17);
+        getDescriptor().getMessageType(26);
     internal_static_google_cloud_vertexai_v1_RetrievalMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_RetrievalMetadata_descriptor,
             new java.lang.String[] {
               "GoogleSearchDynamicRetrievalScore",
             });
+    internal_static_google_cloud_vertexai_v1_ModelArmorConfig_descriptor =
+        getDescriptor().getMessageType(27);
+    internal_static_google_cloud_vertexai_v1_ModelArmorConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_ModelArmorConfig_descriptor,
+            new java.lang.String[] {
+              "PromptTemplateName", "ResponseTemplateName",
+            });
     internal_static_google_cloud_vertexai_v1_ModalityTokenCount_descriptor =
-        getDescriptor().getMessageTypes().get(18);
+        getDescriptor().getMessageType(28);
     internal_static_google_cloud_vertexai_v1_ModalityTokenCount_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ModalityTokenCount_descriptor,
             new java.lang.String[] {
               "Modality", "TokenCount",
             });
-    com.google.protobuf.ExtensionRegistry registry =
-        com.google.protobuf.ExtensionRegistry.newInstance();
-    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
-    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
-        descriptor, registry);
+    descriptor.resolveAllFeaturesImmutable();
     com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
     com.google.cloud.vertexai.api.OpenApiProto.getDescriptor();
     com.google.cloud.vertexai.api.ToolProto.getDescriptor();
+    com.google.cloud.vertexai.api.VertexRagDataProto.getDescriptor();
     com.google.protobuf.DurationProto.getDescriptor();
+    com.google.protobuf.StructProto.getDescriptor();
     com.google.type.DateProto.getDescriptor();
+    com.google.protobuf.ExtensionRegistry registry =
+        com.google.protobuf.ExtensionRegistry.newInstance();
+    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
+    registry.add(com.google.api.ResourceProto.resourceDefinition);
+    registry.add(com.google.api.ResourceProto.resourceReference);
+    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
+        descriptor, registry);
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CorpusStatus.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CorpusStatus.java
new file mode 100644
index 000000000000..3482a555febd
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CorpusStatus.java
@@ -0,0 +1,960 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * RagCorpus status.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.CorpusStatus}
+ */
+@com.google.protobuf.Generated
+public final class CorpusStatus extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.CorpusStatus)
+    CorpusStatusOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "CorpusStatus");
+  }
+
+  // Use CorpusStatus.newBuilder() to construct.
+  private CorpusStatus(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private CorpusStatus() {
+    state_ = 0;
+    errorStatus_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_CorpusStatus_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_CorpusStatus_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.CorpusStatus.class,
+            com.google.cloud.vertexai.api.CorpusStatus.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * RagCorpus life state.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.vertexai.v1.CorpusStatus.State}
+   */
+  public enum State implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * This state is not supposed to happen.
+     * </pre>
+     *
+     * <code>UNKNOWN = 0;</code>
+     */
+    UNKNOWN(0),
+    /**
+     *
+     *
+     * <pre>
+     * RagCorpus resource entry is initialized, but hasn't done validation.
+     * </pre>
+     *
+     * <code>INITIALIZED = 1;</code>
+     */
+    INITIALIZED(1),
+    /**
+     *
+     *
+     * <pre>
+     * RagCorpus is provisioned successfully and is ready to serve.
+     * </pre>
+     *
+     * <code>ACTIVE = 2;</code>
+     */
+    ACTIVE(2),
+    /**
+     *
+     *
+     * <pre>
+     * RagCorpus is in a problematic situation.
+     * See `error_message` field for details.
+     * </pre>
+     *
+     * <code>ERROR = 3;</code>
+     */
+    ERROR(3),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "State");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * This state is not supposed to happen.
+     * </pre>
+     *
+     * <code>UNKNOWN = 0;</code>
+     */
+    public static final int UNKNOWN_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * RagCorpus resource entry is initialized, but hasn't done validation.
+     * </pre>
+     *
+     * <code>INITIALIZED = 1;</code>
+     */
+    public static final int INITIALIZED_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * RagCorpus is provisioned successfully and is ready to serve.
+     * </pre>
+     *
+     * <code>ACTIVE = 2;</code>
+     */
+    public static final int ACTIVE_VALUE = 2;
+
+    /**
+     *
+     *
+     * <pre>
+     * RagCorpus is in a problematic situation.
+     * See `error_message` field for details.
+     * </pre>
+     *
+     * <code>ERROR = 3;</code>
+     */
+    public static final int ERROR_VALUE = 3;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static State valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static State forNumber(int value) {
+      switch (value) {
+        case 0:
+          return UNKNOWN;
+        case 1:
+          return INITIALIZED;
+        case 2:
+          return ACTIVE;
+        case 3:
+          return ERROR;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<State> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<State> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<State>() {
+          public State findValueByNumber(int number) {
+            return State.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.CorpusStatus.getDescriptor().getEnumTypes().get(0);
+    }
+
+    private static final State[] VALUES = values();
+
+    public static State valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private State(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.vertexai.v1.CorpusStatus.State)
+  }
+
+  public static final int STATE_FIELD_NUMBER = 1;
+  private int state_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. RagCorpus life state.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.CorpusStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for state.
+   */
+  @java.lang.Override
+  public int getStateValue() {
+    return state_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. RagCorpus life state.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.CorpusStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The state.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.CorpusStatus.State getState() {
+    com.google.cloud.vertexai.api.CorpusStatus.State result =
+        com.google.cloud.vertexai.api.CorpusStatus.State.forNumber(state_);
+    return result == null ? com.google.cloud.vertexai.api.CorpusStatus.State.UNRECOGNIZED : result;
+  }
+
+  public static final int ERROR_STATUS_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object errorStatus_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Only when the `state` field is ERROR.
+   * </pre>
+   *
+   * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The errorStatus.
+   */
+  @java.lang.Override
+  public java.lang.String getErrorStatus() {
+    java.lang.Object ref = errorStatus_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      errorStatus_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Only when the `state` field is ERROR.
+   * </pre>
+   *
+   * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for errorStatus.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getErrorStatusBytes() {
+    java.lang.Object ref = errorStatus_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      errorStatus_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (state_ != com.google.cloud.vertexai.api.CorpusStatus.State.UNKNOWN.getNumber()) {
+      output.writeEnum(1, state_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(errorStatus_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, errorStatus_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (state_ != com.google.cloud.vertexai.api.CorpusStatus.State.UNKNOWN.getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(1, state_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(errorStatus_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, errorStatus_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.CorpusStatus)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.CorpusStatus other =
+        (com.google.cloud.vertexai.api.CorpusStatus) obj;
+
+    if (state_ != other.state_) return false;
+    if (!getErrorStatus().equals(other.getErrorStatus())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + STATE_FIELD_NUMBER;
+    hash = (53 * hash) + state_;
+    hash = (37 * hash) + ERROR_STATUS_FIELD_NUMBER;
+    hash = (53 * hash) + getErrorStatus().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.CorpusStatus parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.CorpusStatus parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.CorpusStatus parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.CorpusStatus parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.CorpusStatus parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.CorpusStatus parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.CorpusStatus parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.CorpusStatus parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.CorpusStatus parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.CorpusStatus parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.CorpusStatus parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.CorpusStatus parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.CorpusStatus prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * RagCorpus status.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.CorpusStatus}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.CorpusStatus)
+      com.google.cloud.vertexai.api.CorpusStatusOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_CorpusStatus_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_CorpusStatus_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.CorpusStatus.class,
+              com.google.cloud.vertexai.api.CorpusStatus.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.CorpusStatus.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      state_ = 0;
+      errorStatus_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_CorpusStatus_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.CorpusStatus getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.CorpusStatus.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.CorpusStatus build() {
+      com.google.cloud.vertexai.api.CorpusStatus result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.CorpusStatus buildPartial() {
+      com.google.cloud.vertexai.api.CorpusStatus result =
+          new com.google.cloud.vertexai.api.CorpusStatus(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.CorpusStatus result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.state_ = state_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.errorStatus_ = errorStatus_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.CorpusStatus) {
+        return mergeFrom((com.google.cloud.vertexai.api.CorpusStatus) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.CorpusStatus other) {
+      if (other == com.google.cloud.vertexai.api.CorpusStatus.getDefaultInstance()) return this;
+      if (other.state_ != 0) {
+        setStateValue(other.getStateValue());
+      }
+      if (!other.getErrorStatus().isEmpty()) {
+        errorStatus_ = other.errorStatus_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 8:
+              {
+                state_ = input.readEnum();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 8
+            case 18:
+              {
+                errorStatus_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private int state_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagCorpus life state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.CorpusStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for state.
+     */
+    @java.lang.Override
+    public int getStateValue() {
+      return state_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagCorpus life state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.CorpusStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for state to set.
+     * @return This builder for chaining.
+     */
+    public Builder setStateValue(int value) {
+      state_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagCorpus life state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.CorpusStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The state.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.CorpusStatus.State getState() {
+      com.google.cloud.vertexai.api.CorpusStatus.State result =
+          com.google.cloud.vertexai.api.CorpusStatus.State.forNumber(state_);
+      return result == null
+          ? com.google.cloud.vertexai.api.CorpusStatus.State.UNRECOGNIZED
+          : result;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagCorpus life state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.CorpusStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The state to set.
+     * @return This builder for chaining.
+     */
+    public Builder setState(com.google.cloud.vertexai.api.CorpusStatus.State value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00000001;
+      state_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagCorpus life state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.CorpusStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearState() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      state_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object errorStatus_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Only when the `state` field is ERROR.
+     * </pre>
+     *
+     * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The errorStatus.
+     */
+    public java.lang.String getErrorStatus() {
+      java.lang.Object ref = errorStatus_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        errorStatus_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Only when the `state` field is ERROR.
+     * </pre>
+     *
+     * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for errorStatus.
+     */
+    public com.google.protobuf.ByteString getErrorStatusBytes() {
+      java.lang.Object ref = errorStatus_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        errorStatus_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Only when the `state` field is ERROR.
+     * </pre>
+     *
+     * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The errorStatus to set.
+     * @return This builder for chaining.
+     */
+    public Builder setErrorStatus(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      errorStatus_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Only when the `state` field is ERROR.
+     * </pre>
+     *
+     * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearErrorStatus() {
+      errorStatus_ = getDefaultInstance().getErrorStatus();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Only when the `state` field is ERROR.
+     * </pre>
+     *
+     * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for errorStatus to set.
+     * @return This builder for chaining.
+     */
+    public Builder setErrorStatusBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      errorStatus_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.CorpusStatus)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.CorpusStatus)
+  private static final com.google.cloud.vertexai.api.CorpusStatus DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.CorpusStatus();
+  }
+
+  public static com.google.cloud.vertexai.api.CorpusStatus getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<CorpusStatus> PARSER =
+      new com.google.protobuf.AbstractParser<CorpusStatus>() {
+        @java.lang.Override
+        public CorpusStatus parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<CorpusStatus> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<CorpusStatus> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.CorpusStatus getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CorpusStatusOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CorpusStatusOrBuilder.java
new file mode 100644
index 000000000000..b33083fc207b
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CorpusStatusOrBuilder.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface CorpusStatusOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.CorpusStatus)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. RagCorpus life state.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.CorpusStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for state.
+   */
+  int getStateValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. RagCorpus life state.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.CorpusStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The state.
+   */
+  com.google.cloud.vertexai.api.CorpusStatus.State getState();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Only when the `state` field is ERROR.
+   * </pre>
+   *
+   * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The errorStatus.
+   */
+  java.lang.String getErrorStatus();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Only when the `state` field is ERROR.
+   * </pre>
+   *
+   * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for errorStatus.
+   */
+  com.google.protobuf.ByteString getErrorStatusBytes();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensRequest.java
index 1b49e6a3383e..2ef435fbb9e9 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.CountTokensRequest}
  */
-public final class CountTokensRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class CountTokensRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.CountTokensRequest)
     CountTokensRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "CountTokensRequest");
+  }
+
   // Use CountTokensRequest.newBuilder() to construct.
-  private CountTokensRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private CountTokensRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -47,19 +59,13 @@ private CountTokensRequest() {
     tools_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new CountTokensRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_CountTokensRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_CountTokensRequest_fieldAccessorTable
@@ -610,14 +616,14 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
     for (int i = 0; i < instances_.size(); i++) {
       output.writeMessage(2, instances_.get(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(model_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, model_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(model_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, model_);
     }
     for (int i = 0; i < contents_.size(); i++) {
       output.writeMessage(4, contents_.get(i));
@@ -640,14 +646,14 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
     for (int i = 0; i < instances_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, instances_.get(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(model_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, model_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(model_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, model_);
     }
     for (int i = 0; i < contents_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, contents_.get(i));
@@ -767,38 +773,38 @@ public static com.google.cloud.vertexai.api.CountTokensRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.CountTokensRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CountTokensRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CountTokensRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CountTokensRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CountTokensRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CountTokensRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -821,7 +827,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -835,7 +841,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.CountTokensRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.CountTokensRequest)
       com.google.cloud.vertexai.api.CountTokensRequestOrBuilder {
@@ -845,7 +851,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_CountTokensRequest_fieldAccessorTable
@@ -859,18 +865,18 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getInstancesFieldBuilder();
-        getContentsFieldBuilder();
-        getSystemInstructionFieldBuilder();
-        getToolsFieldBuilder();
-        getGenerationConfigFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetInstancesFieldBuilder();
+        internalGetContentsFieldBuilder();
+        internalGetSystemInstructionFieldBuilder();
+        internalGetToolsFieldBuilder();
+        internalGetGenerationConfigFieldBuilder();
       }
     }
 
@@ -1001,39 +1007,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.CountTokensRequest resu
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.CountTokensRequest) {
@@ -1076,8 +1049,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.CountTokensRequest other)
             instances_ = other.instances_;
             bitField0_ = (bitField0_ & ~0x00000004);
             instancesBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getInstancesFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetInstancesFieldBuilder()
                     : null;
           } else {
             instancesBuilder_.addAllMessages(other.instances_);
@@ -1103,8 +1076,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.CountTokensRequest other)
             contents_ = other.contents_;
             bitField0_ = (bitField0_ & ~0x00000008);
             contentsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getContentsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetContentsFieldBuilder()
                     : null;
           } else {
             contentsBuilder_.addAllMessages(other.contents_);
@@ -1133,8 +1106,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.CountTokensRequest other)
             tools_ = other.tools_;
             bitField0_ = (bitField0_ & ~0x00000020);
             toolsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getToolsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetToolsFieldBuilder()
                     : null;
           } else {
             toolsBuilder_.addAllMessages(other.tools_);
@@ -1210,7 +1183,7 @@ public Builder mergeFrom(
             case 42:
               {
                 input.readMessage(
-                    getSystemInstructionFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetSystemInstructionFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000010;
                 break;
               } // case 42
@@ -1230,7 +1203,7 @@ public Builder mergeFrom(
             case 58:
               {
                 input.readMessage(
-                    getGenerationConfigFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetGenerationConfigFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000040;
                 break;
               } // case 58
@@ -1515,7 +1488,7 @@ private void ensureInstancesIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
@@ -1810,7 +1783,7 @@ public Builder removeInstances(int index) {
      * </code>
      */
     public com.google.protobuf.Value.Builder getInstancesBuilder(int index) {
-      return getInstancesFieldBuilder().getBuilder(index);
+      return internalGetInstancesFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1867,7 +1840,8 @@ public com.google.protobuf.ValueOrBuilder getInstancesOrBuilder(int index) {
      * </code>
      */
     public com.google.protobuf.Value.Builder addInstancesBuilder() {
-      return getInstancesFieldBuilder().addBuilder(com.google.protobuf.Value.getDefaultInstance());
+      return internalGetInstancesFieldBuilder()
+          .addBuilder(com.google.protobuf.Value.getDefaultInstance());
     }
 
     /**
@@ -1883,7 +1857,7 @@ public com.google.protobuf.Value.Builder addInstancesBuilder() {
      * </code>
      */
     public com.google.protobuf.Value.Builder addInstancesBuilder(int index) {
-      return getInstancesFieldBuilder()
+      return internalGetInstancesFieldBuilder()
           .addBuilder(index, com.google.protobuf.Value.getDefaultInstance());
     }
 
@@ -1900,17 +1874,17 @@ public com.google.protobuf.Value.Builder addInstancesBuilder(int index) {
      * </code>
      */
     public java.util.List<com.google.protobuf.Value.Builder> getInstancesBuilderList() {
-      return getInstancesFieldBuilder().getBuilderList();
+      return internalGetInstancesFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
-        getInstancesFieldBuilder() {
+        internalGetInstancesFieldBuilder() {
       if (instancesBuilder_ == null) {
         instancesBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.protobuf.Value,
                 com.google.protobuf.Value.Builder,
                 com.google.protobuf.ValueOrBuilder>(
@@ -1930,7 +1904,7 @@ private void ensureContentsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
@@ -2215,7 +2189,7 @@ public Builder removeContents(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Content.Builder getContentsBuilder(int index) {
-      return getContentsFieldBuilder().getBuilder(index);
+      return internalGetContentsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -2269,7 +2243,7 @@ public com.google.cloud.vertexai.api.ContentOrBuilder getContentsOrBuilder(int i
      * </code>
      */
     public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder() {
-      return getContentsFieldBuilder()
+      return internalGetContentsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Content.getDefaultInstance());
     }
 
@@ -2285,7 +2259,7 @@ public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder(int index) {
-      return getContentsFieldBuilder()
+      return internalGetContentsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Content.getDefaultInstance());
     }
 
@@ -2301,17 +2275,17 @@ public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder(int inde
      * </code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Content.Builder> getContentsBuilderList() {
-      return getContentsFieldBuilder().getBuilderList();
+      return internalGetContentsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
-        getContentsFieldBuilder() {
+        internalGetContentsFieldBuilder() {
       if (contentsBuilder_ == null) {
         contentsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Content,
                 com.google.cloud.vertexai.api.Content.Builder,
                 com.google.cloud.vertexai.api.ContentOrBuilder>(
@@ -2322,7 +2296,7 @@ public java.util.List<com.google.cloud.vertexai.api.Content.Builder> getContents
     }
 
     private com.google.cloud.vertexai.api.Content systemInstruction_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
@@ -2496,7 +2470,7 @@ public Builder clearSystemInstruction() {
     public com.google.cloud.vertexai.api.Content.Builder getSystemInstructionBuilder() {
       bitField0_ |= 0x00000010;
       onChanged();
-      return getSystemInstructionFieldBuilder().getBuilder();
+      return internalGetSystemInstructionFieldBuilder().getBuilder();
     }
 
     /**
@@ -2535,14 +2509,14 @@ public com.google.cloud.vertexai.api.ContentOrBuilder getSystemInstructionOrBuil
      * optional .google.cloud.vertexai.v1.Content system_instruction = 5 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
-        getSystemInstructionFieldBuilder() {
+        internalGetSystemInstructionFieldBuilder() {
       if (systemInstructionBuilder_ == null) {
         systemInstructionBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Content,
                 com.google.cloud.vertexai.api.Content.Builder,
                 com.google.cloud.vertexai.api.ContentOrBuilder>(
@@ -2562,7 +2536,7 @@ private void ensureToolsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tool,
             com.google.cloud.vertexai.api.Tool.Builder,
             com.google.cloud.vertexai.api.ToolOrBuilder>
@@ -2910,7 +2884,7 @@ public Builder removeTools(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Tool.Builder getToolsBuilder(int index) {
-      return getToolsFieldBuilder().getBuilder(index);
+      return internalGetToolsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -2979,7 +2953,7 @@ public com.google.cloud.vertexai.api.ToolOrBuilder getToolsOrBuilder(int index)
      * </code>
      */
     public com.google.cloud.vertexai.api.Tool.Builder addToolsBuilder() {
-      return getToolsFieldBuilder()
+      return internalGetToolsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Tool.getDefaultInstance());
     }
 
@@ -3000,7 +2974,7 @@ public com.google.cloud.vertexai.api.Tool.Builder addToolsBuilder() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Tool.Builder addToolsBuilder(int index) {
-      return getToolsFieldBuilder()
+      return internalGetToolsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Tool.getDefaultInstance());
     }
 
@@ -3021,17 +2995,17 @@ public com.google.cloud.vertexai.api.Tool.Builder addToolsBuilder(int index) {
      * </code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Tool.Builder> getToolsBuilderList() {
-      return getToolsFieldBuilder().getBuilderList();
+      return internalGetToolsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tool,
             com.google.cloud.vertexai.api.Tool.Builder,
             com.google.cloud.vertexai.api.ToolOrBuilder>
-        getToolsFieldBuilder() {
+        internalGetToolsFieldBuilder() {
       if (toolsBuilder_ == null) {
         toolsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Tool,
                 com.google.cloud.vertexai.api.Tool.Builder,
                 com.google.cloud.vertexai.api.ToolOrBuilder>(
@@ -3042,7 +3016,7 @@ public java.util.List<com.google.cloud.vertexai.api.Tool.Builder> getToolsBuilde
     }
 
     private com.google.cloud.vertexai.api.GenerationConfig generationConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenerationConfig,
             com.google.cloud.vertexai.api.GenerationConfig.Builder,
             com.google.cloud.vertexai.api.GenerationConfigOrBuilder>
@@ -3210,7 +3184,7 @@ public Builder clearGenerationConfig() {
     public com.google.cloud.vertexai.api.GenerationConfig.Builder getGenerationConfigBuilder() {
       bitField0_ |= 0x00000040;
       onChanged();
-      return getGenerationConfigFieldBuilder().getBuilder();
+      return internalGetGenerationConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -3247,14 +3221,14 @@ public com.google.cloud.vertexai.api.GenerationConfigOrBuilder getGenerationConf
      * optional .google.cloud.vertexai.v1.GenerationConfig generation_config = 7 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenerationConfig,
             com.google.cloud.vertexai.api.GenerationConfig.Builder,
             com.google.cloud.vertexai.api.GenerationConfigOrBuilder>
-        getGenerationConfigFieldBuilder() {
+        internalGetGenerationConfigFieldBuilder() {
       if (generationConfigBuilder_ == null) {
         generationConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GenerationConfig,
                 com.google.cloud.vertexai.api.GenerationConfig.Builder,
                 com.google.cloud.vertexai.api.GenerationConfigOrBuilder>(
@@ -3264,17 +3238,6 @@ public com.google.cloud.vertexai.api.GenerationConfigOrBuilder getGenerationConf
       return generationConfigBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.CountTokensRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensRequestOrBuilder.java
index 65af5d958792..eb5b68d84158 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface CountTokensRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.CountTokensRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensResponse.java
index 2facfa9042d0..873aee87b277 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.CountTokensResponse}
  */
-public final class CountTokensResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class CountTokensResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.CountTokensResponse)
     CountTokensResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "CountTokensResponse");
+  }
+
   // Use CountTokensResponse.newBuilder() to construct.
-  private CountTokensResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private CountTokensResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private CountTokensResponse() {
     promptTokensDetails_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new CountTokensResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_CountTokensResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_CountTokensResponse_fieldAccessorTable
@@ -313,38 +319,38 @@ public static com.google.cloud.vertexai.api.CountTokensResponse parseFrom(
 
   public static com.google.cloud.vertexai.api.CountTokensResponse parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CountTokensResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CountTokensResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CountTokensResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CountTokensResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CountTokensResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -367,7 +373,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -381,7 +387,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.CountTokensResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.CountTokensResponse)
       com.google.cloud.vertexai.api.CountTokensResponseOrBuilder {
@@ -391,7 +397,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_CountTokensResponse_fieldAccessorTable
@@ -403,7 +409,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.CountTokensResponse.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -478,39 +484,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.CountTokensResponse res
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.CountTokensResponse) {
@@ -549,8 +522,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.CountTokensResponse other
             promptTokensDetails_ = other.promptTokensDetails_;
             bitField0_ = (bitField0_ & ~0x00000004);
             promptTokensDetailsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getPromptTokensDetailsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetPromptTokensDetailsFieldBuilder()
                     : null;
           } else {
             promptTokensDetailsBuilder_.addAllMessages(other.promptTokensDetails_);
@@ -755,7 +728,7 @@ private void ensurePromptTokensDetailsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.ModalityTokenCount,
             com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
             com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
@@ -1045,7 +1018,7 @@ public Builder removePromptTokensDetails(int index) {
      */
     public com.google.cloud.vertexai.api.ModalityTokenCount.Builder getPromptTokensDetailsBuilder(
         int index) {
-      return getPromptTokensDetailsFieldBuilder().getBuilder(index);
+      return internalGetPromptTokensDetailsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1101,7 +1074,7 @@ public com.google.cloud.vertexai.api.ModalityTokenCount.Builder getPromptTokensD
      */
     public com.google.cloud.vertexai.api.ModalityTokenCount.Builder
         addPromptTokensDetailsBuilder() {
-      return getPromptTokensDetailsFieldBuilder()
+      return internalGetPromptTokensDetailsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
     }
 
@@ -1118,7 +1091,7 @@ public com.google.cloud.vertexai.api.ModalityTokenCount.Builder getPromptTokensD
      */
     public com.google.cloud.vertexai.api.ModalityTokenCount.Builder addPromptTokensDetailsBuilder(
         int index) {
-      return getPromptTokensDetailsFieldBuilder()
+      return internalGetPromptTokensDetailsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
     }
 
@@ -1135,17 +1108,17 @@ public com.google.cloud.vertexai.api.ModalityTokenCount.Builder addPromptTokensD
      */
     public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount.Builder>
         getPromptTokensDetailsBuilderList() {
-      return getPromptTokensDetailsFieldBuilder().getBuilderList();
+      return internalGetPromptTokensDetailsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.ModalityTokenCount,
             com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
             com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
-        getPromptTokensDetailsFieldBuilder() {
+        internalGetPromptTokensDetailsFieldBuilder() {
       if (promptTokensDetailsBuilder_ == null) {
         promptTokensDetailsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.ModalityTokenCount,
                 com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
                 com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>(
@@ -1158,17 +1131,6 @@ public com.google.cloud.vertexai.api.ModalityTokenCount.Builder addPromptTokensD
       return promptTokensDetailsBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.CountTokensResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensResponseOrBuilder.java
index 57fae0b0454b..5b4f415ee1a3 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CountTokensResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface CountTokensResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.CountTokensResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointOperationMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointOperationMetadata.java
index 9435f484d370..4a303897e91e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointOperationMetadata.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointOperationMetadata.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,24 +30,30 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.CreateEndpointOperationMetadata}
  */
-public final class CreateEndpointOperationMetadata extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class CreateEndpointOperationMetadata extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.CreateEndpointOperationMetadata)
     CreateEndpointOperationMetadataOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "CreateEndpointOperationMetadata");
+  }
+
   // Use CreateEndpointOperationMetadata.newBuilder() to construct.
-  private CreateEndpointOperationMetadata(
-      com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private CreateEndpointOperationMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
-  private CreateEndpointOperationMetadata() {}
-
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new CreateEndpointOperationMetadata();
+  private CreateEndpointOperationMetadata() {
+    deploymentStage_ = 0;
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -55,7 +62,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_CreateEndpointOperationMetadata_fieldAccessorTable
@@ -119,6 +126,49 @@ public com.google.cloud.vertexai.api.GenericOperationMetadata getGenericMetadata
         : genericMetadata_;
   }
 
+  public static final int DEPLOYMENT_STAGE_FIELD_NUMBER = 2;
+  private int deploymentStage_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The deployment stage of the model. Only populated if this
+   * CreateEndpoint request deploys a model at the same time.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for deploymentStage.
+   */
+  @java.lang.Override
+  public int getDeploymentStageValue() {
+    return deploymentStage_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The deployment stage of the model. Only populated if this
+   * CreateEndpoint request deploys a model at the same time.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The deploymentStage.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.DeploymentStage getDeploymentStage() {
+    com.google.cloud.vertexai.api.DeploymentStage result =
+        com.google.cloud.vertexai.api.DeploymentStage.forNumber(deploymentStage_);
+    return result == null ? com.google.cloud.vertexai.api.DeploymentStage.UNRECOGNIZED : result;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -136,6 +186,10 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(1, getGenericMetadata());
     }
+    if (deploymentStage_
+        != com.google.cloud.vertexai.api.DeploymentStage.DEPLOYMENT_STAGE_UNSPECIFIED.getNumber()) {
+      output.writeEnum(2, deploymentStage_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -148,6 +202,10 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getGenericMetadata());
     }
+    if (deploymentStage_
+        != com.google.cloud.vertexai.api.DeploymentStage.DEPLOYMENT_STAGE_UNSPECIFIED.getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(2, deploymentStage_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -168,6 +226,7 @@ public boolean equals(final java.lang.Object obj) {
     if (hasGenericMetadata()) {
       if (!getGenericMetadata().equals(other.getGenericMetadata())) return false;
     }
+    if (deploymentStage_ != other.deploymentStage_) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -183,6 +242,8 @@ public int hashCode() {
       hash = (37 * hash) + GENERIC_METADATA_FIELD_NUMBER;
       hash = (53 * hash) + getGenericMetadata().hashCode();
     }
+    hash = (37 * hash) + DEPLOYMENT_STAGE_FIELD_NUMBER;
+    hash = (53 * hash) + deploymentStage_;
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -225,38 +286,38 @@ public static com.google.cloud.vertexai.api.CreateEndpointOperationMetadata pars
 
   public static com.google.cloud.vertexai.api.CreateEndpointOperationMetadata parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CreateEndpointOperationMetadata parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CreateEndpointOperationMetadata parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CreateEndpointOperationMetadata parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CreateEndpointOperationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CreateEndpointOperationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -280,7 +341,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -295,7 +356,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.CreateEndpointOperationMetadata}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.CreateEndpointOperationMetadata)
       com.google.cloud.vertexai.api.CreateEndpointOperationMetadataOrBuilder {
@@ -305,7 +366,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_CreateEndpointOperationMetadata_fieldAccessorTable
@@ -319,14 +380,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getGenericMetadataFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetGenericMetadataFieldBuilder();
       }
     }
 
@@ -339,6 +400,7 @@ public Builder clear() {
         genericMetadataBuilder_.dispose();
         genericMetadataBuilder_ = null;
       }
+      deploymentStage_ = 0;
       return this;
     }
 
@@ -383,42 +445,12 @@ private void buildPartial0(
             genericMetadataBuilder_ == null ? genericMetadata_ : genericMetadataBuilder_.build();
         to_bitField0_ |= 0x00000001;
       }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.deploymentStage_ = deploymentStage_;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.CreateEndpointOperationMetadata) {
@@ -436,6 +468,9 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.CreateEndpointOperationMe
       if (other.hasGenericMetadata()) {
         mergeGenericMetadata(other.getGenericMetadata());
       }
+      if (other.deploymentStage_ != 0) {
+        setDeploymentStageValue(other.getDeploymentStageValue());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -464,10 +499,17 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getGenericMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetGenericMetadataFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
+            case 16:
+              {
+                deploymentStage_ = input.readEnum();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 16
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -488,7 +530,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.GenericOperationMetadata genericMetadata_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenericOperationMetadata,
             com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
             com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>
@@ -638,7 +680,7 @@ public Builder clearGenericMetadata() {
         getGenericMetadataBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getGenericMetadataFieldBuilder().getBuilder();
+      return internalGetGenericMetadataFieldBuilder().getBuilder();
     }
 
     /**
@@ -670,14 +712,14 @@ public Builder clearGenericMetadata() {
      *
      * <code>.google.cloud.vertexai.v1.GenericOperationMetadata generic_metadata = 1;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenericOperationMetadata,
             com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
             com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>
-        getGenericMetadataFieldBuilder() {
+        internalGetGenericMetadataFieldBuilder() {
       if (genericMetadataBuilder_ == null) {
         genericMetadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GenericOperationMetadata,
                 com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
                 com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>(
@@ -687,15 +729,114 @@ public Builder clearGenericMetadata() {
       return genericMetadataBuilder_;
     }
 
+    private int deploymentStage_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The deployment stage of the model. Only populated if this
+     * CreateEndpoint request deploys a model at the same time.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for deploymentStage.
+     */
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    public int getDeploymentStageValue() {
+      return deploymentStage_;
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The deployment stage of the model. Only populated if this
+     * CreateEndpoint request deploys a model at the same time.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for deploymentStage to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDeploymentStageValue(int value) {
+      deploymentStage_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The deployment stage of the model. Only populated if this
+     * CreateEndpoint request deploys a model at the same time.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The deploymentStage.
+     */
     @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    public com.google.cloud.vertexai.api.DeploymentStage getDeploymentStage() {
+      com.google.cloud.vertexai.api.DeploymentStage result =
+          com.google.cloud.vertexai.api.DeploymentStage.forNumber(deploymentStage_);
+      return result == null ? com.google.cloud.vertexai.api.DeploymentStage.UNRECOGNIZED : result;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The deployment stage of the model. Only populated if this
+     * CreateEndpoint request deploys a model at the same time.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The deploymentStage to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDeploymentStage(com.google.cloud.vertexai.api.DeploymentStage value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00000002;
+      deploymentStage_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The deployment stage of the model. Only populated if this
+     * CreateEndpoint request deploys a model at the same time.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDeploymentStage() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      deploymentStage_ = 0;
+      onChanged();
+      return this;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.CreateEndpointOperationMetadata)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointOperationMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointOperationMetadataOrBuilder.java
index 2c398a8be770..a33ca41b8394 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointOperationMetadataOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointOperationMetadataOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface CreateEndpointOperationMetadataOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.CreateEndpointOperationMetadata)
@@ -60,4 +62,36 @@ public interface CreateEndpointOperationMetadataOrBuilder
    * <code>.google.cloud.vertexai.v1.GenericOperationMetadata generic_metadata = 1;</code>
    */
   com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder getGenericMetadataOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The deployment stage of the model. Only populated if this
+   * CreateEndpoint request deploys a model at the same time.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for deploymentStage.
+   */
+  int getDeploymentStageValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The deployment stage of the model. Only populated if this
+   * CreateEndpoint request deploys a model at the same time.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The deploymentStage.
+   */
+  com.google.cloud.vertexai.api.DeploymentStage getDeploymentStage();
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointRequest.java
index 22070cc3ec04..8b820debfc2c 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.CreateEndpointRequest}
  */
-public final class CreateEndpointRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class CreateEndpointRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.CreateEndpointRequest)
     CreateEndpointRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "CreateEndpointRequest");
+  }
+
   // Use CreateEndpointRequest.newBuilder() to construct.
-  private CreateEndpointRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private CreateEndpointRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,13 @@ private CreateEndpointRequest() {
     endpointId_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new CreateEndpointRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_CreateEndpointRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_CreateEndpointRequest_fieldAccessorTable
@@ -278,14 +284,14 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(parent_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, parent_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(parent_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, parent_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(2, getEndpoint());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpointId_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, endpointId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpointId_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 4, endpointId_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -296,14 +302,14 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(parent_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, parent_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(parent_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, parent_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getEndpoint());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpointId_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, endpointId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpointId_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(4, endpointId_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -388,38 +394,38 @@ public static com.google.cloud.vertexai.api.CreateEndpointRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.CreateEndpointRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CreateEndpointRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CreateEndpointRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CreateEndpointRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CreateEndpointRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CreateEndpointRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -442,7 +448,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -457,7 +463,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.CreateEndpointRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.CreateEndpointRequest)
       com.google.cloud.vertexai.api.CreateEndpointRequestOrBuilder {
@@ -467,7 +473,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_CreateEndpointRequest_fieldAccessorTable
@@ -481,14 +487,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getEndpointFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetEndpointFieldBuilder();
       }
     }
 
@@ -553,39 +559,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.CreateEndpointRequest r
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.CreateEndpointRequest) {
@@ -646,7 +619,8 @@ public Builder mergeFrom(
               } // case 10
             case 18:
               {
-                input.readMessage(getEndpointFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetEndpointFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
@@ -802,7 +776,7 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.cloud.vertexai.api.Endpoint endpoint_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Endpoint,
             com.google.cloud.vertexai.api.Endpoint.Builder,
             com.google.cloud.vertexai.api.EndpointOrBuilder>
@@ -961,7 +935,7 @@ public Builder clearEndpoint() {
     public com.google.cloud.vertexai.api.Endpoint.Builder getEndpointBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getEndpointFieldBuilder().getBuilder();
+      return internalGetEndpointFieldBuilder().getBuilder();
     }
 
     /**
@@ -996,14 +970,14 @@ public com.google.cloud.vertexai.api.EndpointOrBuilder getEndpointOrBuilder() {
      * .google.cloud.vertexai.v1.Endpoint endpoint = 2 [(.google.api.field_behavior) = REQUIRED];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Endpoint,
             com.google.cloud.vertexai.api.Endpoint.Builder,
             com.google.cloud.vertexai.api.EndpointOrBuilder>
-        getEndpointFieldBuilder() {
+        internalGetEndpointFieldBuilder() {
       if (endpointBuilder_ == null) {
         endpointBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Endpoint,
                 com.google.cloud.vertexai.api.Endpoint.Builder,
                 com.google.cloud.vertexai.api.EndpointOrBuilder>(
@@ -1189,17 +1163,6 @@ public Builder setEndpointIdBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.CreateEndpointRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointRequestOrBuilder.java
index 51a202e14e6a..7baffb50db0e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CreateEndpointRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface CreateEndpointRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.CreateEndpointRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvDestination.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvDestination.java
index 5deef9a84dea..f0dcfd835a7d 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvDestination.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvDestination.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.CsvDestination}
  */
-public final class CsvDestination extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class CsvDestination extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.CsvDestination)
     CsvDestinationOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "CsvDestination");
+  }
+
   // Use CsvDestination.newBuilder() to construct.
-  private CsvDestination(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private CsvDestination(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private CsvDestination() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new CsvDestination();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_CsvDestination_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_CsvDestination_fieldAccessorTable
@@ -228,38 +234,38 @@ public static com.google.cloud.vertexai.api.CsvDestination parseFrom(
 
   public static com.google.cloud.vertexai.api.CsvDestination parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CsvDestination parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CsvDestination parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CsvDestination parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CsvDestination parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CsvDestination parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -282,7 +288,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -296,7 +302,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.CsvDestination}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.CsvDestination)
       com.google.cloud.vertexai.api.CsvDestinationOrBuilder {
@@ -306,7 +312,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_CsvDestination_fieldAccessorTable
@@ -320,14 +326,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getGcsDestinationFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetGcsDestinationFieldBuilder();
       }
     }
 
@@ -385,39 +391,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.CsvDestination result)
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.CsvDestination) {
@@ -461,7 +434,8 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getGcsDestinationFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetGcsDestinationFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -485,7 +459,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.GcsDestination gcsDestination_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GcsDestination,
             com.google.cloud.vertexai.api.GcsDestination.Builder,
             com.google.cloud.vertexai.api.GcsDestinationOrBuilder>
@@ -646,7 +620,7 @@ public Builder clearGcsDestination() {
     public com.google.cloud.vertexai.api.GcsDestination.Builder getGcsDestinationBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getGcsDestinationFieldBuilder().getBuilder();
+      return internalGetGcsDestinationFieldBuilder().getBuilder();
     }
 
     /**
@@ -681,14 +655,14 @@ public com.google.cloud.vertexai.api.GcsDestinationOrBuilder getGcsDestinationOr
      * .google.cloud.vertexai.v1.GcsDestination gcs_destination = 1 [(.google.api.field_behavior) = REQUIRED];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GcsDestination,
             com.google.cloud.vertexai.api.GcsDestination.Builder,
             com.google.cloud.vertexai.api.GcsDestinationOrBuilder>
-        getGcsDestinationFieldBuilder() {
+        internalGetGcsDestinationFieldBuilder() {
       if (gcsDestinationBuilder_ == null) {
         gcsDestinationBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GcsDestination,
                 com.google.cloud.vertexai.api.GcsDestination.Builder,
                 com.google.cloud.vertexai.api.GcsDestinationOrBuilder>(
@@ -698,17 +672,6 @@ public com.google.cloud.vertexai.api.GcsDestinationOrBuilder getGcsDestinationOr
       return gcsDestinationBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.CsvDestination)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvDestinationOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvDestinationOrBuilder.java
index eeb34526d9be..3b99deeeee55 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvDestinationOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvDestinationOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface CsvDestinationOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.CsvDestination)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvSource.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvSource.java
index 53ab6744191e..7df3dd46e212 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvSource.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvSource.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.CsvSource}
  */
-public final class CsvSource extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class CsvSource extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.CsvSource)
     CsvSourceOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "CsvSource");
+  }
+
   // Use CsvSource.newBuilder() to construct.
-  private CsvSource(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private CsvSource(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private CsvSource() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new CsvSource();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_CsvSource_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_CsvSource_fieldAccessorTable
@@ -227,38 +233,38 @@ public static com.google.cloud.vertexai.api.CsvSource parseFrom(
 
   public static com.google.cloud.vertexai.api.CsvSource parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CsvSource parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CsvSource parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CsvSource parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.CsvSource parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.CsvSource parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -281,7 +287,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -295,7 +301,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.CsvSource}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.CsvSource)
       com.google.cloud.vertexai.api.CsvSourceOrBuilder {
@@ -305,7 +311,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_CsvSource_fieldAccessorTable
@@ -319,14 +325,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getGcsSourceFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetGcsSourceFieldBuilder();
       }
     }
 
@@ -383,39 +389,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.CsvSource result) {
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.CsvSource) {
@@ -459,7 +432,8 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getGcsSourceFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetGcsSourceFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -483,7 +457,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.GcsSource gcsSource_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GcsSource,
             com.google.cloud.vertexai.api.GcsSource.Builder,
             com.google.cloud.vertexai.api.GcsSourceOrBuilder>
@@ -642,7 +616,7 @@ public Builder clearGcsSource() {
     public com.google.cloud.vertexai.api.GcsSource.Builder getGcsSourceBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getGcsSourceFieldBuilder().getBuilder();
+      return internalGetGcsSourceFieldBuilder().getBuilder();
     }
 
     /**
@@ -677,14 +651,14 @@ public com.google.cloud.vertexai.api.GcsSourceOrBuilder getGcsSourceOrBuilder()
      * .google.cloud.vertexai.v1.GcsSource gcs_source = 1 [(.google.api.field_behavior) = REQUIRED];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GcsSource,
             com.google.cloud.vertexai.api.GcsSource.Builder,
             com.google.cloud.vertexai.api.GcsSourceOrBuilder>
-        getGcsSourceFieldBuilder() {
+        internalGetGcsSourceFieldBuilder() {
       if (gcsSourceBuilder_ == null) {
         gcsSourceBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GcsSource,
                 com.google.cloud.vertexai.api.GcsSource.Builder,
                 com.google.cloud.vertexai.api.GcsSourceOrBuilder>(
@@ -694,17 +668,6 @@ public com.google.cloud.vertexai.api.GcsSourceOrBuilder getGcsSourceOrBuilder()
       return gcsSourceBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.CsvSource)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvSourceOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvSourceOrBuilder.java
index 27abdbb8b4b6..a3b661845d5d 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvSourceOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CsvSourceOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface CsvSourceOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.CsvSource)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DedicatedResources.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DedicatedResources.java
index 75d2a90b4569..d75302bcd85b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DedicatedResources.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DedicatedResources.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DedicatedResources}
  */
-public final class DedicatedResources extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DedicatedResources extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DedicatedResources)
     DedicatedResourcesOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DedicatedResources");
+  }
+
   // Use DedicatedResources.newBuilder() to construct.
-  private DedicatedResources(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DedicatedResources(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private DedicatedResources() {
     autoscalingMetricSpecs_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DedicatedResources();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_DedicatedResources_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_DedicatedResources_fieldAccessorTable
@@ -586,38 +592,38 @@ public static com.google.cloud.vertexai.api.DedicatedResources parseFrom(
 
   public static com.google.cloud.vertexai.api.DedicatedResources parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DedicatedResources parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DedicatedResources parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DedicatedResources parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DedicatedResources parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DedicatedResources parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -640,7 +646,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -655,7 +661,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DedicatedResources}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DedicatedResources)
       com.google.cloud.vertexai.api.DedicatedResourcesOrBuilder {
@@ -665,7 +671,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.MachineResourcesProto
           .internal_static_google_cloud_vertexai_v1_DedicatedResources_fieldAccessorTable
@@ -679,15 +685,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getMachineSpecFieldBuilder();
-        getAutoscalingMetricSpecsFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetMachineSpecFieldBuilder();
+        internalGetAutoscalingMetricSpecsFieldBuilder();
       }
     }
 
@@ -782,39 +788,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.DedicatedResources resu
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DedicatedResources) {
@@ -859,8 +832,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.DedicatedResources other)
             autoscalingMetricSpecs_ = other.autoscalingMetricSpecs_;
             bitField0_ = (bitField0_ & ~0x00000010);
             autoscalingMetricSpecsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getAutoscalingMetricSpecsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetAutoscalingMetricSpecsFieldBuilder()
                     : null;
           } else {
             autoscalingMetricSpecsBuilder_.addAllMessages(other.autoscalingMetricSpecs_);
@@ -898,7 +871,8 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getMachineSpecFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetMachineSpecFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -960,7 +934,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.MachineSpec machineSpec_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.MachineSpec,
             com.google.cloud.vertexai.api.MachineSpec.Builder,
             com.google.cloud.vertexai.api.MachineSpecOrBuilder>
@@ -1127,7 +1101,7 @@ public Builder clearMachineSpec() {
     public com.google.cloud.vertexai.api.MachineSpec.Builder getMachineSpecBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getMachineSpecFieldBuilder().getBuilder();
+      return internalGetMachineSpecFieldBuilder().getBuilder();
     }
 
     /**
@@ -1164,14 +1138,14 @@ public com.google.cloud.vertexai.api.MachineSpecOrBuilder getMachineSpecOrBuilde
      * .google.cloud.vertexai.v1.MachineSpec machine_spec = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.field_behavior) = IMMUTABLE];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.MachineSpec,
             com.google.cloud.vertexai.api.MachineSpec.Builder,
             com.google.cloud.vertexai.api.MachineSpecOrBuilder>
-        getMachineSpecFieldBuilder() {
+        internalGetMachineSpecFieldBuilder() {
       if (machineSpecBuilder_ == null) {
         machineSpecBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.MachineSpec,
                 com.google.cloud.vertexai.api.MachineSpec.Builder,
                 com.google.cloud.vertexai.api.MachineSpecOrBuilder>(
@@ -1439,7 +1413,7 @@ private void ensureAutoscalingMetricSpecsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.AutoscalingMetricSpec,
             com.google.cloud.vertexai.api.AutoscalingMetricSpec.Builder,
             com.google.cloud.vertexai.api.AutoscalingMetricSpecOrBuilder>
@@ -2017,7 +1991,7 @@ public Builder removeAutoscalingMetricSpecs(int index) {
      */
     public com.google.cloud.vertexai.api.AutoscalingMetricSpec.Builder
         getAutoscalingMetricSpecsBuilder(int index) {
-      return getAutoscalingMetricSpecsFieldBuilder().getBuilder(index);
+      return internalGetAutoscalingMetricSpecsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -2139,7 +2113,7 @@ public Builder removeAutoscalingMetricSpecs(int index) {
      */
     public com.google.cloud.vertexai.api.AutoscalingMetricSpec.Builder
         addAutoscalingMetricSpecsBuilder() {
-      return getAutoscalingMetricSpecsFieldBuilder()
+      return internalGetAutoscalingMetricSpecsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.AutoscalingMetricSpec.getDefaultInstance());
     }
 
@@ -2178,7 +2152,7 @@ public Builder removeAutoscalingMetricSpecs(int index) {
      */
     public com.google.cloud.vertexai.api.AutoscalingMetricSpec.Builder
         addAutoscalingMetricSpecsBuilder(int index) {
-      return getAutoscalingMetricSpecsFieldBuilder()
+      return internalGetAutoscalingMetricSpecsFieldBuilder()
           .addBuilder(
               index, com.google.cloud.vertexai.api.AutoscalingMetricSpec.getDefaultInstance());
     }
@@ -2218,17 +2192,17 @@ public Builder removeAutoscalingMetricSpecs(int index) {
      */
     public java.util.List<com.google.cloud.vertexai.api.AutoscalingMetricSpec.Builder>
         getAutoscalingMetricSpecsBuilderList() {
-      return getAutoscalingMetricSpecsFieldBuilder().getBuilderList();
+      return internalGetAutoscalingMetricSpecsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.AutoscalingMetricSpec,
             com.google.cloud.vertexai.api.AutoscalingMetricSpec.Builder,
             com.google.cloud.vertexai.api.AutoscalingMetricSpecOrBuilder>
-        getAutoscalingMetricSpecsFieldBuilder() {
+        internalGetAutoscalingMetricSpecsFieldBuilder() {
       if (autoscalingMetricSpecsBuilder_ == null) {
         autoscalingMetricSpecsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.AutoscalingMetricSpec,
                 com.google.cloud.vertexai.api.AutoscalingMetricSpec.Builder,
                 com.google.cloud.vertexai.api.AutoscalingMetricSpecOrBuilder>(
@@ -2300,17 +2274,6 @@ public Builder clearSpot() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DedicatedResources)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DedicatedResourcesOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DedicatedResourcesOrBuilder.java
index b03c4935133e..42fa9073963e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DedicatedResourcesOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DedicatedResourcesOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DedicatedResourcesOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DedicatedResources)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteEndpointRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteEndpointRequest.java
index 63db66dce1e4..554493a95e88 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteEndpointRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteEndpointRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DeleteEndpointRequest}
  */
-public final class DeleteEndpointRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DeleteEndpointRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DeleteEndpointRequest)
     DeleteEndpointRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DeleteEndpointRequest");
+  }
+
   // Use DeleteEndpointRequest.newBuilder() to construct.
-  private DeleteEndpointRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DeleteEndpointRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private DeleteEndpointRequest() {
     name_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DeleteEndpointRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_DeleteEndpointRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_DeleteEndpointRequest_fieldAccessorTable
@@ -140,8 +146,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -152,8 +158,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -227,38 +233,38 @@ public static com.google.cloud.vertexai.api.DeleteEndpointRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.DeleteEndpointRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeleteEndpointRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DeleteEndpointRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeleteEndpointRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DeleteEndpointRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeleteEndpointRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -281,7 +287,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -296,7 +302,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DeleteEndpointRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DeleteEndpointRequest)
       com.google.cloud.vertexai.api.DeleteEndpointRequestOrBuilder {
@@ -306,7 +312,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_DeleteEndpointRequest_fieldAccessorTable
@@ -318,7 +324,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.DeleteEndpointRequest.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -368,39 +374,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.DeleteEndpointRequest r
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DeleteEndpointRequest) {
@@ -601,17 +574,6 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DeleteEndpointRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteEndpointRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteEndpointRequestOrBuilder.java
index ffc8a6dbcc97..6de9fd9d5a88 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteEndpointRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteEndpointRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DeleteEndpointRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DeleteEndpointRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteOperationMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteOperationMetadata.java
index 9461c97a3208..01c89f8d8e01 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteOperationMetadata.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteOperationMetadata.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/operation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DeleteOperationMetadata}
  */
-public final class DeleteOperationMetadata extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DeleteOperationMetadata extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DeleteOperationMetadata)
     DeleteOperationMetadataOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DeleteOperationMetadata");
+  }
+
   // Use DeleteOperationMetadata.newBuilder() to construct.
-  private DeleteOperationMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DeleteOperationMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private DeleteOperationMetadata() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DeleteOperationMetadata();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.OperationProto
         .internal_static_google_cloud_vertexai_v1_DeleteOperationMetadata_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.OperationProto
         .internal_static_google_cloud_vertexai_v1_DeleteOperationMetadata_fieldAccessorTable
@@ -223,38 +229,38 @@ public static com.google.cloud.vertexai.api.DeleteOperationMetadata parseFrom(
 
   public static com.google.cloud.vertexai.api.DeleteOperationMetadata parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeleteOperationMetadata parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DeleteOperationMetadata parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeleteOperationMetadata parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DeleteOperationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeleteOperationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -278,7 +284,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -292,7 +298,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DeleteOperationMetadata}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DeleteOperationMetadata)
       com.google.cloud.vertexai.api.DeleteOperationMetadataOrBuilder {
@@ -302,7 +308,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.OperationProto
           .internal_static_google_cloud_vertexai_v1_DeleteOperationMetadata_fieldAccessorTable
@@ -316,14 +322,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getGenericMetadataFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetGenericMetadataFieldBuilder();
       }
     }
 
@@ -381,39 +387,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.DeleteOperationMetadata
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DeleteOperationMetadata) {
@@ -458,7 +431,8 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getGenericMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetGenericMetadataFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -482,7 +456,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.GenericOperationMetadata genericMetadata_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenericOperationMetadata,
             com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
             com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>
@@ -632,7 +606,7 @@ public Builder clearGenericMetadata() {
         getGenericMetadataBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getGenericMetadataFieldBuilder().getBuilder();
+      return internalGetGenericMetadataFieldBuilder().getBuilder();
     }
 
     /**
@@ -664,14 +638,14 @@ public Builder clearGenericMetadata() {
      *
      * <code>.google.cloud.vertexai.v1.GenericOperationMetadata generic_metadata = 1;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenericOperationMetadata,
             com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
             com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>
-        getGenericMetadataFieldBuilder() {
+        internalGetGenericMetadataFieldBuilder() {
       if (genericMetadataBuilder_ == null) {
         genericMetadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GenericOperationMetadata,
                 com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
                 com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>(
@@ -681,17 +655,6 @@ public Builder clearGenericMetadata() {
       return genericMetadataBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DeleteOperationMetadata)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteOperationMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteOperationMetadataOrBuilder.java
index 4d5c238a3aa4..469a2c60d6fe 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteOperationMetadataOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeleteOperationMetadataOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/operation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DeleteOperationMetadataOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DeleteOperationMetadata)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelOperationMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelOperationMetadata.java
index b739572cbf38..c8d536798aba 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelOperationMetadata.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelOperationMetadata.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,23 +30,30 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DeployModelOperationMetadata}
  */
-public final class DeployModelOperationMetadata extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DeployModelOperationMetadata extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DeployModelOperationMetadata)
     DeployModelOperationMetadataOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DeployModelOperationMetadata");
+  }
+
   // Use DeployModelOperationMetadata.newBuilder() to construct.
-  private DeployModelOperationMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DeployModelOperationMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
-  private DeployModelOperationMetadata() {}
-
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DeployModelOperationMetadata();
+  private DeployModelOperationMetadata() {
+    deploymentStage_ = 0;
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -54,7 +62,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_DeployModelOperationMetadata_fieldAccessorTable
@@ -118,6 +126,47 @@ public com.google.cloud.vertexai.api.GenericOperationMetadata getGenericMetadata
         : genericMetadata_;
   }
 
+  public static final int DEPLOYMENT_STAGE_FIELD_NUMBER = 2;
+  private int deploymentStage_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The deployment stage of the model.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for deploymentStage.
+   */
+  @java.lang.Override
+  public int getDeploymentStageValue() {
+    return deploymentStage_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The deployment stage of the model.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The deploymentStage.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.DeploymentStage getDeploymentStage() {
+    com.google.cloud.vertexai.api.DeploymentStage result =
+        com.google.cloud.vertexai.api.DeploymentStage.forNumber(deploymentStage_);
+    return result == null ? com.google.cloud.vertexai.api.DeploymentStage.UNRECOGNIZED : result;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -135,6 +184,10 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(1, getGenericMetadata());
     }
+    if (deploymentStage_
+        != com.google.cloud.vertexai.api.DeploymentStage.DEPLOYMENT_STAGE_UNSPECIFIED.getNumber()) {
+      output.writeEnum(2, deploymentStage_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -147,6 +200,10 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getGenericMetadata());
     }
+    if (deploymentStage_
+        != com.google.cloud.vertexai.api.DeploymentStage.DEPLOYMENT_STAGE_UNSPECIFIED.getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(2, deploymentStage_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -167,6 +224,7 @@ public boolean equals(final java.lang.Object obj) {
     if (hasGenericMetadata()) {
       if (!getGenericMetadata().equals(other.getGenericMetadata())) return false;
     }
+    if (deploymentStage_ != other.deploymentStage_) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -182,6 +240,8 @@ public int hashCode() {
       hash = (37 * hash) + GENERIC_METADATA_FIELD_NUMBER;
       hash = (53 * hash) + getGenericMetadata().hashCode();
     }
+    hash = (37 * hash) + DEPLOYMENT_STAGE_FIELD_NUMBER;
+    hash = (53 * hash) + deploymentStage_;
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -224,38 +284,38 @@ public static com.google.cloud.vertexai.api.DeployModelOperationMetadata parseFr
 
   public static com.google.cloud.vertexai.api.DeployModelOperationMetadata parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelOperationMetadata parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelOperationMetadata parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelOperationMetadata parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelOperationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelOperationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -279,7 +339,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -294,7 +354,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DeployModelOperationMetadata}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DeployModelOperationMetadata)
       com.google.cloud.vertexai.api.DeployModelOperationMetadataOrBuilder {
@@ -304,7 +364,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_DeployModelOperationMetadata_fieldAccessorTable
@@ -318,14 +378,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getGenericMetadataFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetGenericMetadataFieldBuilder();
       }
     }
 
@@ -338,6 +398,7 @@ public Builder clear() {
         genericMetadataBuilder_.dispose();
         genericMetadataBuilder_ = null;
       }
+      deploymentStage_ = 0;
       return this;
     }
 
@@ -380,42 +441,12 @@ private void buildPartial0(com.google.cloud.vertexai.api.DeployModelOperationMet
             genericMetadataBuilder_ == null ? genericMetadata_ : genericMetadataBuilder_.build();
         to_bitField0_ |= 0x00000001;
       }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.deploymentStage_ = deploymentStage_;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DeployModelOperationMetadata) {
@@ -432,6 +463,9 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.DeployModelOperationMetad
       if (other.hasGenericMetadata()) {
         mergeGenericMetadata(other.getGenericMetadata());
       }
+      if (other.deploymentStage_ != 0) {
+        setDeploymentStageValue(other.getDeploymentStageValue());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -460,10 +494,17 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getGenericMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetGenericMetadataFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
+            case 16:
+              {
+                deploymentStage_ = input.readEnum();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 16
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -484,7 +525,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.GenericOperationMetadata genericMetadata_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenericOperationMetadata,
             com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
             com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>
@@ -634,7 +675,7 @@ public Builder clearGenericMetadata() {
         getGenericMetadataBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getGenericMetadataFieldBuilder().getBuilder();
+      return internalGetGenericMetadataFieldBuilder().getBuilder();
     }
 
     /**
@@ -666,14 +707,14 @@ public Builder clearGenericMetadata() {
      *
      * <code>.google.cloud.vertexai.v1.GenericOperationMetadata generic_metadata = 1;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenericOperationMetadata,
             com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
             com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>
-        getGenericMetadataFieldBuilder() {
+        internalGetGenericMetadataFieldBuilder() {
       if (genericMetadataBuilder_ == null) {
         genericMetadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GenericOperationMetadata,
                 com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
                 com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>(
@@ -683,15 +724,109 @@ public Builder clearGenericMetadata() {
       return genericMetadataBuilder_;
     }
 
+    private int deploymentStage_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The deployment stage of the model.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for deploymentStage.
+     */
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    public int getDeploymentStageValue() {
+      return deploymentStage_;
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The deployment stage of the model.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for deploymentStage to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDeploymentStageValue(int value) {
+      deploymentStage_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The deployment stage of the model.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The deploymentStage.
+     */
     @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    public com.google.cloud.vertexai.api.DeploymentStage getDeploymentStage() {
+      com.google.cloud.vertexai.api.DeploymentStage result =
+          com.google.cloud.vertexai.api.DeploymentStage.forNumber(deploymentStage_);
+      return result == null ? com.google.cloud.vertexai.api.DeploymentStage.UNRECOGNIZED : result;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The deployment stage of the model.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The deploymentStage to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDeploymentStage(com.google.cloud.vertexai.api.DeploymentStage value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00000002;
+      deploymentStage_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The deployment stage of the model.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDeploymentStage() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      deploymentStage_ = 0;
+      onChanged();
+      return this;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DeployModelOperationMetadata)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelOperationMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelOperationMetadataOrBuilder.java
index 359324041374..812307fe102b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelOperationMetadataOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelOperationMetadataOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DeployModelOperationMetadataOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DeployModelOperationMetadata)
@@ -60,4 +62,34 @@ public interface DeployModelOperationMetadataOrBuilder
    * <code>.google.cloud.vertexai.v1.GenericOperationMetadata generic_metadata = 1;</code>
    */
   com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder getGenericMetadataOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The deployment stage of the model.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for deploymentStage.
+   */
+  int getDeploymentStageValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The deployment stage of the model.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.DeploymentStage deployment_stage = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The deploymentStage.
+   */
+  com.google.cloud.vertexai.api.DeploymentStage getDeploymentStage();
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelRequest.java
index 91761a0b8a80..abd604beb961 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DeployModelRequest}
  */
-public final class DeployModelRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DeployModelRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DeployModelRequest)
     DeployModelRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DeployModelRequest");
+  }
+
   // Use DeployModelRequest.newBuilder() to construct.
-  private DeployModelRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DeployModelRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,12 +56,6 @@ private DeployModelRequest() {
     endpoint_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DeployModelRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_DeployModelRequest_descriptor;
@@ -68,7 +74,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldRefl
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_DeployModelRequest_fieldAccessorTable
@@ -378,13 +384,13 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(2, getDeployedModel());
     }
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
+    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
         output, internalGetTrafficSplit(), TrafficSplitDefaultEntryHolder.defaultEntry, 3);
     getUnknownFields().writeTo(output);
   }
@@ -395,8 +401,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getDeployedModel());
@@ -496,38 +502,38 @@ public static com.google.cloud.vertexai.api.DeployModelRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.DeployModelRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -550,7 +556,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -565,7 +571,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DeployModelRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DeployModelRequest)
       com.google.cloud.vertexai.api.DeployModelRequestOrBuilder {
@@ -597,7 +603,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFi
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_DeployModelRequest_fieldAccessorTable
@@ -611,14 +617,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getDeployedModelFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetDeployedModelFieldBuilder();
       }
     }
 
@@ -685,39 +691,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.DeployModelRequest resu
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DeployModelRequest) {
@@ -775,7 +748,8 @@ public Builder mergeFrom(
               } // case 10
             case 18:
               {
-                input.readMessage(getDeployedModelFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetDeployedModelFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
@@ -942,7 +916,7 @@ public Builder setEndpointBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.cloud.vertexai.api.DeployedModel deployedModel_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.DeployedModel,
             com.google.cloud.vertexai.api.DeployedModel.Builder,
             com.google.cloud.vertexai.api.DeployedModelOrBuilder>
@@ -1130,7 +1104,7 @@ public Builder clearDeployedModel() {
     public com.google.cloud.vertexai.api.DeployedModel.Builder getDeployedModelBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getDeployedModelFieldBuilder().getBuilder();
+      return internalGetDeployedModelFieldBuilder().getBuilder();
     }
 
     /**
@@ -1173,14 +1147,14 @@ public com.google.cloud.vertexai.api.DeployedModelOrBuilder getDeployedModelOrBu
      * .google.cloud.vertexai.v1.DeployedModel deployed_model = 2 [(.google.api.field_behavior) = REQUIRED];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.DeployedModel,
             com.google.cloud.vertexai.api.DeployedModel.Builder,
             com.google.cloud.vertexai.api.DeployedModelOrBuilder>
-        getDeployedModelFieldBuilder() {
+        internalGetDeployedModelFieldBuilder() {
       if (deployedModelBuilder_ == null) {
         deployedModelBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.DeployedModel,
                 com.google.cloud.vertexai.api.DeployedModel.Builder,
                 com.google.cloud.vertexai.api.DeployedModelOrBuilder>(
@@ -1444,17 +1418,6 @@ public Builder putAllTrafficSplit(java.util.Map<java.lang.String, java.lang.Inte
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DeployModelRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelRequestOrBuilder.java
index 969edb2b459e..9eeaf36f8f4a 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DeployModelRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DeployModelRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelResponse.java
index 933348cc4bb8..45f04f79375e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,32 +30,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DeployModelResponse}
  */
-public final class DeployModelResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DeployModelResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DeployModelResponse)
     DeployModelResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DeployModelResponse");
+  }
+
   // Use DeployModelResponse.newBuilder() to construct.
-  private DeployModelResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DeployModelResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private DeployModelResponse() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DeployModelResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_DeployModelResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_DeployModelResponse_fieldAccessorTable
@@ -223,38 +229,38 @@ public static com.google.cloud.vertexai.api.DeployModelResponse parseFrom(
 
   public static com.google.cloud.vertexai.api.DeployModelResponse parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeployModelResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -277,7 +283,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -292,7 +298,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DeployModelResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DeployModelResponse)
       com.google.cloud.vertexai.api.DeployModelResponseOrBuilder {
@@ -302,7 +308,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_DeployModelResponse_fieldAccessorTable
@@ -316,14 +322,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getDeployedModelFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetDeployedModelFieldBuilder();
       }
     }
 
@@ -381,39 +387,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.DeployModelResponse res
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DeployModelResponse) {
@@ -458,7 +431,8 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getDeployedModelFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetDeployedModelFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -482,7 +456,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.DeployedModel deployedModel_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.DeployedModel,
             com.google.cloud.vertexai.api.DeployedModel.Builder,
             com.google.cloud.vertexai.api.DeployedModelOrBuilder>
@@ -628,7 +602,7 @@ public Builder clearDeployedModel() {
     public com.google.cloud.vertexai.api.DeployedModel.Builder getDeployedModelBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getDeployedModelFieldBuilder().getBuilder();
+      return internalGetDeployedModelFieldBuilder().getBuilder();
     }
 
     /**
@@ -659,14 +633,14 @@ public com.google.cloud.vertexai.api.DeployedModelOrBuilder getDeployedModelOrBu
      *
      * <code>.google.cloud.vertexai.v1.DeployedModel deployed_model = 1;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.DeployedModel,
             com.google.cloud.vertexai.api.DeployedModel.Builder,
             com.google.cloud.vertexai.api.DeployedModelOrBuilder>
-        getDeployedModelFieldBuilder() {
+        internalGetDeployedModelFieldBuilder() {
       if (deployedModelBuilder_ == null) {
         deployedModelBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.DeployedModel,
                 com.google.cloud.vertexai.api.DeployedModel.Builder,
                 com.google.cloud.vertexai.api.DeployedModelOrBuilder>(
@@ -676,17 +650,6 @@ public com.google.cloud.vertexai.api.DeployedModelOrBuilder getDeployedModelOrBu
       return deployedModelBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DeployModelResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelResponseOrBuilder.java
index e7a2dd2057e4..1cd84f7e91de 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployModelResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DeployModelResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DeployModelResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployedModel.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployedModel.java
index a3a310fd0b5d..0ad102fc8b57 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployedModel.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployedModel.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DeployedModel}
  */
-public final class DeployedModel extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DeployedModel extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DeployedModel)
     DeployedModelOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DeployedModel");
+  }
+
   // Use DeployedModel.newBuilder() to construct.
-  private DeployedModel(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DeployedModel(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,12 +57,7 @@ private DeployedModel() {
     modelVersionId_ = "";
     displayName_ = "";
     serviceAccount_ = "";
-  }
-
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DeployedModel();
+    checkpointId_ = "";
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -71,7 +78,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldRefl
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointProto
         .internal_static_google_cloud_vertexai_v1_DeployedModel_fieldAccessorTable
@@ -177,14 +184,24 @@ public interface StatusOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DeployedModel.Status}
    */
-  public static final class Status extends com.google.protobuf.GeneratedMessageV3
+  public static final class Status extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DeployedModel.Status)
       StatusOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "Status");
+    }
+
     // Use Status.newBuilder() to construct.
-    private Status(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private Status(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -192,19 +209,13 @@ private Status() {
       message_ = "";
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new Status();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.EndpointProto
           .internal_static_google_cloud_vertexai_v1_DeployedModel_Status_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointProto
           .internal_static_google_cloud_vertexai_v1_DeployedModel_Status_fieldAccessorTable
@@ -359,8 +370,8 @@ public final boolean isInitialized() {
 
     @java.lang.Override
     public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(message_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, message_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(message_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, message_);
       }
       if (((bitField0_ & 0x00000001) != 0)) {
         output.writeMessage(2, getLastUpdateTime());
@@ -377,8 +388,8 @@ public int getSerializedSize() {
       if (size != -1) return size;
 
       size = 0;
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(message_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, message_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(message_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, message_);
       }
       if (((bitField0_ & 0x00000001) != 0)) {
         size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getLastUpdateTime());
@@ -469,38 +480,38 @@ public static com.google.cloud.vertexai.api.DeployedModel.Status parseFrom(
 
     public static com.google.cloud.vertexai.api.DeployedModel.Status parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.DeployedModel.Status parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.DeployedModel.Status parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.DeployedModel.Status parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.DeployedModel.Status parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.DeployedModel.Status parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -523,8 +534,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -538,8 +548,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.DeployedModel.Status}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DeployedModel.Status)
         com.google.cloud.vertexai.api.DeployedModel.StatusOrBuilder {
@@ -549,7 +558,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.EndpointProto
             .internal_static_google_cloud_vertexai_v1_DeployedModel_Status_fieldAccessorTable
@@ -563,14 +572,14 @@ private Builder() {
         maybeForceBuilderInitialization();
       }
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
         maybeForceBuilderInitialization();
       }
 
       private void maybeForceBuilderInitialization() {
-        if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-          getLastUpdateTimeFieldBuilder();
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+          internalGetLastUpdateTimeFieldBuilder();
         }
       }
 
@@ -636,41 +645,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.DeployedModel.Status re
         result.bitField0_ |= to_bitField0_;
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.DeployedModel.Status) {
@@ -730,7 +704,7 @@ public Builder mergeFrom(
               case 18:
                 {
                   input.readMessage(
-                      getLastUpdateTimeFieldBuilder().getBuilder(), extensionRegistry);
+                      internalGetLastUpdateTimeFieldBuilder().getBuilder(), extensionRegistry);
                   bitField0_ |= 0x00000002;
                   break;
                 } // case 18
@@ -871,7 +845,7 @@ public Builder setMessageBytes(com.google.protobuf.ByteString value) {
       }
 
       private com.google.protobuf.Timestamp lastUpdateTime_;
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.protobuf.Timestamp,
               com.google.protobuf.Timestamp.Builder,
               com.google.protobuf.TimestampOrBuilder>
@@ -1030,7 +1004,7 @@ public Builder clearLastUpdateTime() {
       public com.google.protobuf.Timestamp.Builder getLastUpdateTimeBuilder() {
         bitField0_ |= 0x00000002;
         onChanged();
-        return getLastUpdateTimeFieldBuilder().getBuilder();
+        return internalGetLastUpdateTimeFieldBuilder().getBuilder();
       }
 
       /**
@@ -1065,14 +1039,14 @@ public com.google.protobuf.TimestampOrBuilder getLastUpdateTimeOrBuilder() {
        * .google.protobuf.Timestamp last_update_time = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
        * </code>
        */
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.protobuf.Timestamp,
               com.google.protobuf.Timestamp.Builder,
               com.google.protobuf.TimestampOrBuilder>
-          getLastUpdateTimeFieldBuilder() {
+          internalGetLastUpdateTimeFieldBuilder() {
         if (lastUpdateTimeBuilder_ == null) {
           lastUpdateTimeBuilder_ =
-              new com.google.protobuf.SingleFieldBuilderV3<
+              new com.google.protobuf.SingleFieldBuilder<
                   com.google.protobuf.Timestamp,
                   com.google.protobuf.Timestamp.Builder,
                   com.google.protobuf.TimestampOrBuilder>(
@@ -1141,18 +1115,6 @@ public Builder clearAvailableReplicaCount() {
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DeployedModel.Status)
     }
 
@@ -1522,21 +1484,18 @@ public com.google.protobuf.ByteString getIdBytes() {
    *
    *
    * <pre>
-   * Required. The resource name of the Model that this is the deployment of.
-   * Note that the Model may be in a different location than the DeployedModel's
-   * Endpoint.
+   * The resource name of the Model that this is the deployment of. Note that
+   * the Model may be in a different location than the DeployedModel's Endpoint.
    *
    * The resource name may contain version id or version alias to specify the
    * version.
-   *  Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
-   *              or
-   *            `projects/{project}/locations/{location}/models/{model}&#64;golden`
+   * Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
+   * or
+   * `projects/{project}/locations/{location}/models/{model}&#64;golden`
    * if no version is specified, the default version will be deployed.
    * </pre>
    *
-   * <code>
-   * string model = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * </code>
+   * <code>string model = 2 [(.google.api.resource_reference) = { ... }</code>
    *
    * @return The model.
    */
@@ -1557,21 +1516,18 @@ public java.lang.String getModel() {
    *
    *
    * <pre>
-   * Required. The resource name of the Model that this is the deployment of.
-   * Note that the Model may be in a different location than the DeployedModel's
-   * Endpoint.
+   * The resource name of the Model that this is the deployment of. Note that
+   * the Model may be in a different location than the DeployedModel's Endpoint.
    *
    * The resource name may contain version id or version alias to specify the
    * version.
-   *  Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
-   *              or
-   *            `projects/{project}/locations/{location}/models/{model}&#64;golden`
+   * Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
+   * or
+   * `projects/{project}/locations/{location}/models/{model}&#64;golden`
    * if no version is specified, the default version will be deployed.
    * </pre>
    *
-   * <code>
-   * string model = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * </code>
+   * <code>string model = 2 [(.google.api.resource_reference) = { ... }</code>
    *
    * @return The bytes for model.
    */
@@ -2282,6 +2238,59 @@ public java.lang.String getSystemLabelsOrThrow(java.lang.String key) {
     return map.get(key);
   }
 
+  public static final int CHECKPOINT_ID_FIELD_NUMBER = 29;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object checkpointId_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * The checkpoint id of the model.
+   * </pre>
+   *
+   * <code>string checkpoint_id = 29;</code>
+   *
+   * @return The checkpointId.
+   */
+  @java.lang.Override
+  public java.lang.String getCheckpointId() {
+    java.lang.Object ref = checkpointId_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      checkpointId_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The checkpoint id of the model.
+   * </pre>
+   *
+   * <code>string checkpoint_id = 29;</code>
+   *
+   * @return The bytes for checkpointId.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getCheckpointIdBytes() {
+    java.lang.Object ref = checkpointId_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      checkpointId_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
   public static final int SPECULATIVE_DECODING_SPEC_FIELD_NUMBER = 30;
   private com.google.cloud.vertexai.api.SpeculativeDecodingSpec speculativeDecodingSpec_;
 
@@ -2356,14 +2365,14 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(id_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, id_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(id_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, id_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(model_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, model_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(model_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, model_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(displayName_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, displayName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(displayName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, displayName_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(6, getCreateTime());
@@ -2379,8 +2388,8 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000002) != 0)) {
       output.writeMessage(9, getExplanationSpec());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(serviceAccount_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 11, serviceAccount_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(serviceAccount_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 11, serviceAccount_);
     }
     if (enableAccessLogging_ != false) {
       output.writeBool(13, enableAccessLogging_);
@@ -2392,10 +2401,10 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
       output.writeBool(15, disableContainerLogging_);
     }
     if (predictionResourcesCase_ == 17) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 17, predictionResources_);
+      com.google.protobuf.GeneratedMessage.writeString(output, 17, predictionResources_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(modelVersionId_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 18, modelVersionId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modelVersionId_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 18, modelVersionId_);
     }
     if (disableExplanations_ != false) {
       output.writeBool(19, disableExplanations_);
@@ -2406,8 +2415,11 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000010) != 0)) {
       output.writeMessage(26, getStatus());
     }
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
+    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
         output, internalGetSystemLabels(), SystemLabelsDefaultEntryHolder.defaultEntry, 28);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(checkpointId_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 29, checkpointId_);
+    }
     if (((bitField0_ & 0x00000020) != 0)) {
       output.writeMessage(30, getSpeculativeDecodingSpec());
     }
@@ -2420,14 +2432,14 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(id_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, id_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(id_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, id_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(model_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, model_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(model_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, model_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(displayName_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, displayName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(displayName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, displayName_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getCreateTime());
@@ -2445,8 +2457,8 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000002) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(9, getExplanationSpec());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(serviceAccount_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(11, serviceAccount_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(serviceAccount_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(11, serviceAccount_);
     }
     if (enableAccessLogging_ != false) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(13, enableAccessLogging_);
@@ -2458,10 +2470,10 @@ public int getSerializedSize() {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(15, disableContainerLogging_);
     }
     if (predictionResourcesCase_ == 17) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(17, predictionResources_);
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(17, predictionResources_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(modelVersionId_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(18, modelVersionId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modelVersionId_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(18, modelVersionId_);
     }
     if (disableExplanations_ != false) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(19, disableExplanations_);
@@ -2483,6 +2495,9 @@ public int getSerializedSize() {
               .build();
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(28, systemLabels__);
     }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(checkpointId_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(29, checkpointId_);
+    }
     if (((bitField0_ & 0x00000020) != 0)) {
       size +=
           com.google.protobuf.CodedOutputStream.computeMessageSize(
@@ -2533,6 +2548,7 @@ public boolean equals(final java.lang.Object obj) {
       if (!getStatus().equals(other.getStatus())) return false;
     }
     if (!internalGetSystemLabels().equals(other.internalGetSystemLabels())) return false;
+    if (!getCheckpointId().equals(other.getCheckpointId())) return false;
     if (hasSpeculativeDecodingSpec() != other.hasSpeculativeDecodingSpec()) return false;
     if (hasSpeculativeDecodingSpec()) {
       if (!getSpeculativeDecodingSpec().equals(other.getSpeculativeDecodingSpec())) return false;
@@ -2602,6 +2618,8 @@ public int hashCode() {
       hash = (37 * hash) + SYSTEM_LABELS_FIELD_NUMBER;
       hash = (53 * hash) + internalGetSystemLabels().hashCode();
     }
+    hash = (37 * hash) + CHECKPOINT_ID_FIELD_NUMBER;
+    hash = (53 * hash) + getCheckpointId().hashCode();
     if (hasSpeculativeDecodingSpec()) {
       hash = (37 * hash) + SPECULATIVE_DECODING_SPEC_FIELD_NUMBER;
       hash = (53 * hash) + getSpeculativeDecodingSpec().hashCode();
@@ -2664,38 +2682,38 @@ public static com.google.cloud.vertexai.api.DeployedModel parseFrom(
 
   public static com.google.cloud.vertexai.api.DeployedModel parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeployedModel parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DeployedModel parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeployedModel parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DeployedModel parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DeployedModel parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -2718,7 +2736,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -2732,7 +2750,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DeployedModel}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DeployedModel)
       com.google.cloud.vertexai.api.DeployedModelOrBuilder {
@@ -2764,7 +2782,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFi
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointProto
           .internal_static_google_cloud_vertexai_v1_DeployedModel_fieldAccessorTable
@@ -2778,19 +2796,19 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getCreateTimeFieldBuilder();
-        getExplanationSpecFieldBuilder();
-        getPrivateEndpointsFieldBuilder();
-        getFasterDeploymentConfigFieldBuilder();
-        getStatusFieldBuilder();
-        getSpeculativeDecodingSpecFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetCreateTimeFieldBuilder();
+        internalGetExplanationSpecFieldBuilder();
+        internalGetPrivateEndpointsFieldBuilder();
+        internalGetFasterDeploymentConfigFieldBuilder();
+        internalGetStatusFieldBuilder();
+        internalGetSpeculativeDecodingSpecFieldBuilder();
       }
     }
 
@@ -2838,6 +2856,7 @@ public Builder clear() {
         statusBuilder_ = null;
       }
       internalGetMutableSystemLabels().clear();
+      checkpointId_ = "";
       speculativeDecodingSpec_ = null;
       if (speculativeDecodingSpecBuilder_ != null) {
         speculativeDecodingSpecBuilder_.dispose();
@@ -2937,6 +2956,9 @@ private void buildPartial0(com.google.cloud.vertexai.api.DeployedModel result) {
         result.systemLabels_.makeImmutable();
       }
       if (((from_bitField0_ & 0x00020000) != 0)) {
+        result.checkpointId_ = checkpointId_;
+      }
+      if (((from_bitField0_ & 0x00040000) != 0)) {
         result.speculativeDecodingSpec_ =
             speculativeDecodingSpecBuilder_ == null
                 ? speculativeDecodingSpec_
@@ -2957,39 +2979,6 @@ private void buildPartialOneofs(com.google.cloud.vertexai.api.DeployedModel resu
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DeployedModel) {
@@ -3053,6 +3042,11 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.DeployedModel other) {
       }
       internalGetMutableSystemLabels().mergeFrom(other.internalGetSystemLabels());
       bitField0_ |= 0x00010000;
+      if (!other.getCheckpointId().isEmpty()) {
+        checkpointId_ = other.checkpointId_;
+        bitField0_ |= 0x00020000;
+        onChanged();
+      }
       if (other.hasSpeculativeDecodingSpec()) {
         mergeSpeculativeDecodingSpec(other.getSpeculativeDecodingSpec());
       }
@@ -3125,27 +3119,29 @@ public Builder mergeFrom(
               } // case 26
             case 50:
               {
-                input.readMessage(getCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000080;
                 break;
               } // case 50
             case 58:
               {
                 input.readMessage(
-                    getDedicatedResourcesFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetDedicatedResourcesFieldBuilder().getBuilder(), extensionRegistry);
                 predictionResourcesCase_ = 7;
                 break;
               } // case 58
             case 66:
               {
                 input.readMessage(
-                    getAutomaticResourcesFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetAutomaticResourcesFieldBuilder().getBuilder(), extensionRegistry);
                 predictionResourcesCase_ = 8;
                 break;
               } // case 66
             case 74:
               {
-                input.readMessage(getExplanationSpecFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetExplanationSpecFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000100;
                 break;
               } // case 74
@@ -3164,7 +3160,7 @@ public Builder mergeFrom(
             case 114:
               {
                 input.readMessage(
-                    getPrivateEndpointsFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetPrivateEndpointsFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00002000;
                 break;
               } // case 114
@@ -3196,13 +3192,14 @@ public Builder mergeFrom(
             case 186:
               {
                 input.readMessage(
-                    getFasterDeploymentConfigFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetFasterDeploymentConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
                 bitField0_ |= 0x00004000;
                 break;
               } // case 186
             case 210:
               {
-                input.readMessage(getStatusFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(internalGetStatusFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00008000;
                 break;
               } // case 210
@@ -3218,11 +3215,18 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00010000;
                 break;
               } // case 226
+            case 234:
+              {
+                checkpointId_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00020000;
+                break;
+              } // case 234
             case 242:
               {
                 input.readMessage(
-                    getSpeculativeDecodingSpecFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00020000;
+                    internalGetSpeculativeDecodingSpecFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                bitField0_ |= 0x00040000;
                 break;
               } // case 242
             default:
@@ -3258,7 +3262,7 @@ public Builder clearPredictionResources() {
 
     private int bitField0_;
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.DedicatedResources,
             com.google.cloud.vertexai.api.DedicatedResources.Builder,
             com.google.cloud.vertexai.api.DedicatedResourcesOrBuilder>
@@ -3427,7 +3431,7 @@ public Builder clearDedicatedResources() {
      * <code>.google.cloud.vertexai.v1.DedicatedResources dedicated_resources = 7;</code>
      */
     public com.google.cloud.vertexai.api.DedicatedResources.Builder getDedicatedResourcesBuilder() {
-      return getDedicatedResourcesFieldBuilder().getBuilder();
+      return internalGetDedicatedResourcesFieldBuilder().getBuilder();
     }
 
     /**
@@ -3463,18 +3467,18 @@ public com.google.cloud.vertexai.api.DedicatedResources.Builder getDedicatedReso
      *
      * <code>.google.cloud.vertexai.v1.DedicatedResources dedicated_resources = 7;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.DedicatedResources,
             com.google.cloud.vertexai.api.DedicatedResources.Builder,
             com.google.cloud.vertexai.api.DedicatedResourcesOrBuilder>
-        getDedicatedResourcesFieldBuilder() {
+        internalGetDedicatedResourcesFieldBuilder() {
       if (dedicatedResourcesBuilder_ == null) {
         if (!(predictionResourcesCase_ == 7)) {
           predictionResources_ =
               com.google.cloud.vertexai.api.DedicatedResources.getDefaultInstance();
         }
         dedicatedResourcesBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.DedicatedResources,
                 com.google.cloud.vertexai.api.DedicatedResources.Builder,
                 com.google.cloud.vertexai.api.DedicatedResourcesOrBuilder>(
@@ -3488,7 +3492,7 @@ public com.google.cloud.vertexai.api.DedicatedResources.Builder getDedicatedReso
       return dedicatedResourcesBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.AutomaticResources,
             com.google.cloud.vertexai.api.AutomaticResources.Builder,
             com.google.cloud.vertexai.api.AutomaticResourcesOrBuilder>
@@ -3657,7 +3661,7 @@ public Builder clearAutomaticResources() {
      * <code>.google.cloud.vertexai.v1.AutomaticResources automatic_resources = 8;</code>
      */
     public com.google.cloud.vertexai.api.AutomaticResources.Builder getAutomaticResourcesBuilder() {
-      return getAutomaticResourcesFieldBuilder().getBuilder();
+      return internalGetAutomaticResourcesFieldBuilder().getBuilder();
     }
 
     /**
@@ -3693,18 +3697,18 @@ public com.google.cloud.vertexai.api.AutomaticResources.Builder getAutomaticReso
      *
      * <code>.google.cloud.vertexai.v1.AutomaticResources automatic_resources = 8;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.AutomaticResources,
             com.google.cloud.vertexai.api.AutomaticResources.Builder,
             com.google.cloud.vertexai.api.AutomaticResourcesOrBuilder>
-        getAutomaticResourcesFieldBuilder() {
+        internalGetAutomaticResourcesFieldBuilder() {
       if (automaticResourcesBuilder_ == null) {
         if (!(predictionResourcesCase_ == 8)) {
           predictionResources_ =
               com.google.cloud.vertexai.api.AutomaticResources.getDefaultInstance();
         }
         automaticResourcesBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.AutomaticResources,
                 com.google.cloud.vertexai.api.AutomaticResources.Builder,
                 com.google.cloud.vertexai.api.AutomaticResourcesOrBuilder>(
@@ -4001,21 +4005,18 @@ public Builder setIdBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Required. The resource name of the Model that this is the deployment of.
-     * Note that the Model may be in a different location than the DeployedModel's
-     * Endpoint.
+     * The resource name of the Model that this is the deployment of. Note that
+     * the Model may be in a different location than the DeployedModel's Endpoint.
      *
      * The resource name may contain version id or version alias to specify the
      * version.
-     *  Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
-     *              or
-     *            `projects/{project}/locations/{location}/models/{model}&#64;golden`
+     * Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
+     * or
+     * `projects/{project}/locations/{location}/models/{model}&#64;golden`
      * if no version is specified, the default version will be deployed.
      * </pre>
      *
-     * <code>
-     * string model = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * </code>
+     * <code>string model = 2 [(.google.api.resource_reference) = { ... }</code>
      *
      * @return The model.
      */
@@ -4035,21 +4036,18 @@ public java.lang.String getModel() {
      *
      *
      * <pre>
-     * Required. The resource name of the Model that this is the deployment of.
-     * Note that the Model may be in a different location than the DeployedModel's
-     * Endpoint.
+     * The resource name of the Model that this is the deployment of. Note that
+     * the Model may be in a different location than the DeployedModel's Endpoint.
      *
      * The resource name may contain version id or version alias to specify the
      * version.
-     *  Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
-     *              or
-     *            `projects/{project}/locations/{location}/models/{model}&#64;golden`
+     * Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
+     * or
+     * `projects/{project}/locations/{location}/models/{model}&#64;golden`
      * if no version is specified, the default version will be deployed.
      * </pre>
      *
-     * <code>
-     * string model = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * </code>
+     * <code>string model = 2 [(.google.api.resource_reference) = { ... }</code>
      *
      * @return The bytes for model.
      */
@@ -4069,21 +4067,18 @@ public com.google.protobuf.ByteString getModelBytes() {
      *
      *
      * <pre>
-     * Required. The resource name of the Model that this is the deployment of.
-     * Note that the Model may be in a different location than the DeployedModel's
-     * Endpoint.
+     * The resource name of the Model that this is the deployment of. Note that
+     * the Model may be in a different location than the DeployedModel's Endpoint.
      *
      * The resource name may contain version id or version alias to specify the
      * version.
-     *  Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
-     *              or
-     *            `projects/{project}/locations/{location}/models/{model}&#64;golden`
+     * Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
+     * or
+     * `projects/{project}/locations/{location}/models/{model}&#64;golden`
      * if no version is specified, the default version will be deployed.
      * </pre>
      *
-     * <code>
-     * string model = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * </code>
+     * <code>string model = 2 [(.google.api.resource_reference) = { ... }</code>
      *
      * @param value The model to set.
      * @return This builder for chaining.
@@ -4102,21 +4097,18 @@ public Builder setModel(java.lang.String value) {
      *
      *
      * <pre>
-     * Required. The resource name of the Model that this is the deployment of.
-     * Note that the Model may be in a different location than the DeployedModel's
-     * Endpoint.
+     * The resource name of the Model that this is the deployment of. Note that
+     * the Model may be in a different location than the DeployedModel's Endpoint.
      *
      * The resource name may contain version id or version alias to specify the
      * version.
-     *  Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
-     *              or
-     *            `projects/{project}/locations/{location}/models/{model}&#64;golden`
+     * Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
+     * or
+     * `projects/{project}/locations/{location}/models/{model}&#64;golden`
      * if no version is specified, the default version will be deployed.
      * </pre>
      *
-     * <code>
-     * string model = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * </code>
+     * <code>string model = 2 [(.google.api.resource_reference) = { ... }</code>
      *
      * @return This builder for chaining.
      */
@@ -4131,21 +4123,18 @@ public Builder clearModel() {
      *
      *
      * <pre>
-     * Required. The resource name of the Model that this is the deployment of.
-     * Note that the Model may be in a different location than the DeployedModel's
-     * Endpoint.
+     * The resource name of the Model that this is the deployment of. Note that
+     * the Model may be in a different location than the DeployedModel's Endpoint.
      *
      * The resource name may contain version id or version alias to specify the
      * version.
-     *  Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
-     *              or
-     *            `projects/{project}/locations/{location}/models/{model}&#64;golden`
+     * Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
+     * or
+     * `projects/{project}/locations/{location}/models/{model}&#64;golden`
      * if no version is specified, the default version will be deployed.
      * </pre>
      *
-     * <code>
-     * string model = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * </code>
+     * <code>string model = 2 [(.google.api.resource_reference) = { ... }</code>
      *
      * @param value The bytes for model to set.
      * @return This builder for chaining.
@@ -4389,7 +4378,7 @@ public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.protobuf.Timestamp createTime_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
@@ -4548,7 +4537,7 @@ public Builder clearCreateTime() {
     public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
       bitField0_ |= 0x00000080;
       onChanged();
-      return getCreateTimeFieldBuilder().getBuilder();
+      return internalGetCreateTimeFieldBuilder().getBuilder();
     }
 
     /**
@@ -4583,14 +4572,14 @@ public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
      * .google.protobuf.Timestamp create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
-        getCreateTimeFieldBuilder() {
+        internalGetCreateTimeFieldBuilder() {
       if (createTimeBuilder_ == null) {
         createTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Timestamp,
                 com.google.protobuf.Timestamp.Builder,
                 com.google.protobuf.TimestampOrBuilder>(
@@ -4601,7 +4590,7 @@ public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
     }
 
     private com.google.cloud.vertexai.api.ExplanationSpec explanationSpec_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExplanationSpec,
             com.google.cloud.vertexai.api.ExplanationSpec.Builder,
             com.google.cloud.vertexai.api.ExplanationSpecOrBuilder>
@@ -4860,7 +4849,7 @@ public Builder clearExplanationSpec() {
     public com.google.cloud.vertexai.api.ExplanationSpec.Builder getExplanationSpecBuilder() {
       bitField0_ |= 0x00000100;
       onChanged();
-      return getExplanationSpecFieldBuilder().getBuilder();
+      return internalGetExplanationSpecFieldBuilder().getBuilder();
     }
 
     /**
@@ -4923,14 +4912,14 @@ public com.google.cloud.vertexai.api.ExplanationSpecOrBuilder getExplanationSpec
      *
      * <code>.google.cloud.vertexai.v1.ExplanationSpec explanation_spec = 9;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExplanationSpec,
             com.google.cloud.vertexai.api.ExplanationSpec.Builder,
             com.google.cloud.vertexai.api.ExplanationSpecOrBuilder>
-        getExplanationSpecFieldBuilder() {
+        internalGetExplanationSpecFieldBuilder() {
       if (explanationSpecBuilder_ == null) {
         explanationSpecBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.ExplanationSpec,
                 com.google.cloud.vertexai.api.ExplanationSpec.Builder,
                 com.google.cloud.vertexai.api.ExplanationSpecOrBuilder>(
@@ -5301,7 +5290,7 @@ public Builder clearEnableAccessLogging() {
     }
 
     private com.google.cloud.vertexai.api.PrivateEndpoints privateEndpoints_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.PrivateEndpoints,
             com.google.cloud.vertexai.api.PrivateEndpoints.Builder,
             com.google.cloud.vertexai.api.PrivateEndpointsOrBuilder>
@@ -5483,7 +5472,7 @@ public Builder clearPrivateEndpoints() {
     public com.google.cloud.vertexai.api.PrivateEndpoints.Builder getPrivateEndpointsBuilder() {
       bitField0_ |= 0x00002000;
       onChanged();
-      return getPrivateEndpointsFieldBuilder().getBuilder();
+      return internalGetPrivateEndpointsFieldBuilder().getBuilder();
     }
 
     /**
@@ -5524,14 +5513,14 @@ public com.google.cloud.vertexai.api.PrivateEndpointsOrBuilder getPrivateEndpoin
      * .google.cloud.vertexai.v1.PrivateEndpoints private_endpoints = 14 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.PrivateEndpoints,
             com.google.cloud.vertexai.api.PrivateEndpoints.Builder,
             com.google.cloud.vertexai.api.PrivateEndpointsOrBuilder>
-        getPrivateEndpointsFieldBuilder() {
+        internalGetPrivateEndpointsFieldBuilder() {
       if (privateEndpointsBuilder_ == null) {
         privateEndpointsBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.PrivateEndpoints,
                 com.google.cloud.vertexai.api.PrivateEndpoints.Builder,
                 com.google.cloud.vertexai.api.PrivateEndpointsOrBuilder>(
@@ -5542,7 +5531,7 @@ public com.google.cloud.vertexai.api.PrivateEndpointsOrBuilder getPrivateEndpoin
     }
 
     private com.google.cloud.vertexai.api.FasterDeploymentConfig fasterDeploymentConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.FasterDeploymentConfig,
             com.google.cloud.vertexai.api.FasterDeploymentConfig.Builder,
             com.google.cloud.vertexai.api.FasterDeploymentConfigOrBuilder>
@@ -5692,7 +5681,7 @@ public Builder clearFasterDeploymentConfig() {
         getFasterDeploymentConfigBuilder() {
       bitField0_ |= 0x00004000;
       onChanged();
-      return getFasterDeploymentConfigFieldBuilder().getBuilder();
+      return internalGetFasterDeploymentConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -5724,14 +5713,14 @@ public Builder clearFasterDeploymentConfig() {
      *
      * <code>.google.cloud.vertexai.v1.FasterDeploymentConfig faster_deployment_config = 23;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.FasterDeploymentConfig,
             com.google.cloud.vertexai.api.FasterDeploymentConfig.Builder,
             com.google.cloud.vertexai.api.FasterDeploymentConfigOrBuilder>
-        getFasterDeploymentConfigFieldBuilder() {
+        internalGetFasterDeploymentConfigFieldBuilder() {
       if (fasterDeploymentConfigBuilder_ == null) {
         fasterDeploymentConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.FasterDeploymentConfig,
                 com.google.cloud.vertexai.api.FasterDeploymentConfig.Builder,
                 com.google.cloud.vertexai.api.FasterDeploymentConfigOrBuilder>(
@@ -5742,7 +5731,7 @@ public Builder clearFasterDeploymentConfig() {
     }
 
     private com.google.cloud.vertexai.api.DeployedModel.Status status_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.DeployedModel.Status,
             com.google.cloud.vertexai.api.DeployedModel.Status.Builder,
             com.google.cloud.vertexai.api.DeployedModel.StatusOrBuilder>
@@ -5902,7 +5891,7 @@ public Builder clearStatus() {
     public com.google.cloud.vertexai.api.DeployedModel.Status.Builder getStatusBuilder() {
       bitField0_ |= 0x00008000;
       onChanged();
-      return getStatusFieldBuilder().getBuilder();
+      return internalGetStatusFieldBuilder().getBuilder();
     }
 
     /**
@@ -5937,14 +5926,14 @@ public com.google.cloud.vertexai.api.DeployedModel.StatusOrBuilder getStatusOrBu
      * .google.cloud.vertexai.v1.DeployedModel.Status status = 26 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.DeployedModel.Status,
             com.google.cloud.vertexai.api.DeployedModel.Status.Builder,
             com.google.cloud.vertexai.api.DeployedModel.StatusOrBuilder>
-        getStatusFieldBuilder() {
+        internalGetStatusFieldBuilder() {
       if (statusBuilder_ == null) {
         statusBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.DeployedModel.Status,
                 com.google.cloud.vertexai.api.DeployedModel.Status.Builder,
                 com.google.cloud.vertexai.api.DeployedModel.StatusOrBuilder>(
@@ -6136,8 +6125,119 @@ public Builder putAllSystemLabels(java.util.Map<java.lang.String, java.lang.Stri
       return this;
     }
 
+    private java.lang.Object checkpointId_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * The checkpoint id of the model.
+     * </pre>
+     *
+     * <code>string checkpoint_id = 29;</code>
+     *
+     * @return The checkpointId.
+     */
+    public java.lang.String getCheckpointId() {
+      java.lang.Object ref = checkpointId_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        checkpointId_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The checkpoint id of the model.
+     * </pre>
+     *
+     * <code>string checkpoint_id = 29;</code>
+     *
+     * @return The bytes for checkpointId.
+     */
+    public com.google.protobuf.ByteString getCheckpointIdBytes() {
+      java.lang.Object ref = checkpointId_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        checkpointId_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The checkpoint id of the model.
+     * </pre>
+     *
+     * <code>string checkpoint_id = 29;</code>
+     *
+     * @param value The checkpointId to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCheckpointId(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkpointId_ = value;
+      bitField0_ |= 0x00020000;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The checkpoint id of the model.
+     * </pre>
+     *
+     * <code>string checkpoint_id = 29;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearCheckpointId() {
+      checkpointId_ = getDefaultInstance().getCheckpointId();
+      bitField0_ = (bitField0_ & ~0x00020000);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The checkpoint id of the model.
+     * </pre>
+     *
+     * <code>string checkpoint_id = 29;</code>
+     *
+     * @param value The bytes for checkpointId to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCheckpointIdBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      checkpointId_ = value;
+      bitField0_ |= 0x00020000;
+      onChanged();
+      return this;
+    }
+
     private com.google.cloud.vertexai.api.SpeculativeDecodingSpec speculativeDecodingSpec_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec,
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec.Builder,
             com.google.cloud.vertexai.api.SpeculativeDecodingSpecOrBuilder>
@@ -6157,7 +6257,7 @@ public Builder putAllSystemLabels(java.util.Map<java.lang.String, java.lang.Stri
      * @return Whether the speculativeDecodingSpec field is set.
      */
     public boolean hasSpeculativeDecodingSpec() {
-      return ((bitField0_ & 0x00020000) != 0);
+      return ((bitField0_ & 0x00040000) != 0);
     }
 
     /**
@@ -6204,7 +6304,7 @@ public Builder setSpeculativeDecodingSpec(
       } else {
         speculativeDecodingSpecBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00020000;
+      bitField0_ |= 0x00040000;
       onChanged();
       return this;
     }
@@ -6227,7 +6327,7 @@ public Builder setSpeculativeDecodingSpec(
       } else {
         speculativeDecodingSpecBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00020000;
+      bitField0_ |= 0x00040000;
       onChanged();
       return this;
     }
@@ -6246,7 +6346,7 @@ public Builder setSpeculativeDecodingSpec(
     public Builder mergeSpeculativeDecodingSpec(
         com.google.cloud.vertexai.api.SpeculativeDecodingSpec value) {
       if (speculativeDecodingSpecBuilder_ == null) {
-        if (((bitField0_ & 0x00020000) != 0)
+        if (((bitField0_ & 0x00040000) != 0)
             && speculativeDecodingSpec_ != null
             && speculativeDecodingSpec_
                 != com.google.cloud.vertexai.api.SpeculativeDecodingSpec.getDefaultInstance()) {
@@ -6258,7 +6358,7 @@ public Builder mergeSpeculativeDecodingSpec(
         speculativeDecodingSpecBuilder_.mergeFrom(value);
       }
       if (speculativeDecodingSpec_ != null) {
-        bitField0_ |= 0x00020000;
+        bitField0_ |= 0x00040000;
         onChanged();
       }
       return this;
@@ -6276,7 +6376,7 @@ public Builder mergeSpeculativeDecodingSpec(
      * </code>
      */
     public Builder clearSpeculativeDecodingSpec() {
-      bitField0_ = (bitField0_ & ~0x00020000);
+      bitField0_ = (bitField0_ & ~0x00040000);
       speculativeDecodingSpec_ = null;
       if (speculativeDecodingSpecBuilder_ != null) {
         speculativeDecodingSpecBuilder_.dispose();
@@ -6299,9 +6399,9 @@ public Builder clearSpeculativeDecodingSpec() {
      */
     public com.google.cloud.vertexai.api.SpeculativeDecodingSpec.Builder
         getSpeculativeDecodingSpecBuilder() {
-      bitField0_ |= 0x00020000;
+      bitField0_ |= 0x00040000;
       onChanged();
-      return getSpeculativeDecodingSpecFieldBuilder().getBuilder();
+      return internalGetSpeculativeDecodingSpecFieldBuilder().getBuilder();
     }
 
     /**
@@ -6337,14 +6437,14 @@ public Builder clearSpeculativeDecodingSpec() {
      * .google.cloud.vertexai.v1.SpeculativeDecodingSpec speculative_decoding_spec = 30 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec,
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec.Builder,
             com.google.cloud.vertexai.api.SpeculativeDecodingSpecOrBuilder>
-        getSpeculativeDecodingSpecFieldBuilder() {
+        internalGetSpeculativeDecodingSpecFieldBuilder() {
       if (speculativeDecodingSpecBuilder_ == null) {
         speculativeDecodingSpecBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.SpeculativeDecodingSpec,
                 com.google.cloud.vertexai.api.SpeculativeDecodingSpec.Builder,
                 com.google.cloud.vertexai.api.SpeculativeDecodingSpecOrBuilder>(
@@ -6354,17 +6454,6 @@ public Builder clearSpeculativeDecodingSpec() {
       return speculativeDecodingSpecBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DeployedModel)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployedModelOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployedModelOrBuilder.java
index f56a9af4c5f0..96cb96520140 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployedModelOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployedModelOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DeployedModelOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DeployedModel)
@@ -185,21 +187,18 @@ public interface DeployedModelOrBuilder
    *
    *
    * <pre>
-   * Required. The resource name of the Model that this is the deployment of.
-   * Note that the Model may be in a different location than the DeployedModel's
-   * Endpoint.
+   * The resource name of the Model that this is the deployment of. Note that
+   * the Model may be in a different location than the DeployedModel's Endpoint.
    *
    * The resource name may contain version id or version alias to specify the
    * version.
-   *  Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
-   *              or
-   *            `projects/{project}/locations/{location}/models/{model}&#64;golden`
+   * Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
+   * or
+   * `projects/{project}/locations/{location}/models/{model}&#64;golden`
    * if no version is specified, the default version will be deployed.
    * </pre>
    *
-   * <code>
-   * string model = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * </code>
+   * <code>string model = 2 [(.google.api.resource_reference) = { ... }</code>
    *
    * @return The model.
    */
@@ -209,21 +208,18 @@ public interface DeployedModelOrBuilder
    *
    *
    * <pre>
-   * Required. The resource name of the Model that this is the deployment of.
-   * Note that the Model may be in a different location than the DeployedModel's
-   * Endpoint.
+   * The resource name of the Model that this is the deployment of. Note that
+   * the Model may be in a different location than the DeployedModel's Endpoint.
    *
    * The resource name may contain version id or version alias to specify the
    * version.
-   *  Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
-   *              or
-   *            `projects/{project}/locations/{location}/models/{model}&#64;golden`
+   * Example: `projects/{project}/locations/{location}/models/{model}&#64;2`
+   * or
+   * `projects/{project}/locations/{location}/models/{model}&#64;golden`
    * if no version is specified, the default version will be deployed.
    * </pre>
    *
-   * <code>
-   * string model = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * </code>
+   * <code>string model = 2 [(.google.api.resource_reference) = { ... }</code>
    *
    * @return The bytes for model.
    */
@@ -703,6 +699,32 @@ java.lang.String getSystemLabelsOrDefault(
    */
   java.lang.String getSystemLabelsOrThrow(java.lang.String key);
 
+  /**
+   *
+   *
+   * <pre>
+   * The checkpoint id of the model.
+   * </pre>
+   *
+   * <code>string checkpoint_id = 29;</code>
+   *
+   * @return The checkpointId.
+   */
+  java.lang.String getCheckpointId();
+
+  /**
+   *
+   *
+   * <pre>
+   * The checkpoint id of the model.
+   * </pre>
+   *
+   * <code>string checkpoint_id = 29;</code>
+   *
+   * @return The bytes for checkpointId.
+   */
+  com.google.protobuf.ByteString getCheckpointIdBytes();
+
   /**
    *
    *
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeploymentStage.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeploymentStage.java
new file mode 100644
index 000000000000..9cdc4560b471
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeploymentStage.java
@@ -0,0 +1,375 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/deployment_stage.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Stage field indicating the current progress of a deployment.
+ * </pre>
+ *
+ * Protobuf enum {@code google.cloud.vertexai.v1.DeploymentStage}
+ */
+@com.google.protobuf.Generated
+public enum DeploymentStage implements com.google.protobuf.ProtocolMessageEnum {
+  /**
+   *
+   *
+   * <pre>
+   * Default value. This value is unused.
+   * </pre>
+   *
+   * <code>DEPLOYMENT_STAGE_UNSPECIFIED = 0;</code>
+   */
+  DEPLOYMENT_STAGE_UNSPECIFIED(0),
+  /**
+   *
+   *
+   * <pre>
+   * The deployment is initializing and setting up the environment.
+   * </pre>
+   *
+   * <code>STARTING_DEPLOYMENT = 5;</code>
+   */
+  STARTING_DEPLOYMENT(5),
+  /**
+   *
+   *
+   * <pre>
+   * The deployment is preparing the model assets.
+   * </pre>
+   *
+   * <code>PREPARING_MODEL = 6;</code>
+   */
+  PREPARING_MODEL(6),
+  /**
+   *
+   *
+   * <pre>
+   * The deployment is creating the underlying serving cluster.
+   * </pre>
+   *
+   * <code>CREATING_SERVING_CLUSTER = 7;</code>
+   */
+  CREATING_SERVING_CLUSTER(7),
+  /**
+   *
+   *
+   * <pre>
+   * The deployment is adding nodes to the serving cluster.
+   * </pre>
+   *
+   * <code>ADDING_NODES_TO_CLUSTER = 8;</code>
+   */
+  ADDING_NODES_TO_CLUSTER(8),
+  /**
+   *
+   *
+   * <pre>
+   * The deployment is getting the container image for the model server.
+   * </pre>
+   *
+   * <code>GETTING_CONTAINER_IMAGE = 9;</code>
+   */
+  GETTING_CONTAINER_IMAGE(9),
+  /**
+   *
+   *
+   * <pre>
+   * The deployment is starting the model server.
+   * </pre>
+   *
+   * <code>STARTING_MODEL_SERVER = 3;</code>
+   */
+  STARTING_MODEL_SERVER(3),
+  /**
+   *
+   *
+   * <pre>
+   * The deployment is performing finalization steps.
+   * </pre>
+   *
+   * <code>FINISHING_UP = 4;</code>
+   */
+  FINISHING_UP(4),
+  /**
+   *
+   *
+   * <pre>
+   * The deployment has terminated.
+   * </pre>
+   *
+   * <code>DEPLOYMENT_TERMINATED = 10;</code>
+   */
+  DEPLOYMENT_TERMINATED(10),
+  /**
+   *
+   *
+   * <pre>
+   * The deployment has succeeded.
+   * </pre>
+   *
+   * <code>SUCCESSFULLY_DEPLOYED = 11;</code>
+   */
+  SUCCESSFULLY_DEPLOYED(11),
+  /**
+   *
+   *
+   * <pre>
+   * The deployment has failed.
+   * </pre>
+   *
+   * <code>FAILED_TO_DEPLOY = 12;</code>
+   */
+  FAILED_TO_DEPLOY(12),
+  UNRECOGNIZED(-1),
+  ;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DeploymentStage");
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Default value. This value is unused.
+   * </pre>
+   *
+   * <code>DEPLOYMENT_STAGE_UNSPECIFIED = 0;</code>
+   */
+  public static final int DEPLOYMENT_STAGE_UNSPECIFIED_VALUE = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * The deployment is initializing and setting up the environment.
+   * </pre>
+   *
+   * <code>STARTING_DEPLOYMENT = 5;</code>
+   */
+  public static final int STARTING_DEPLOYMENT_VALUE = 5;
+
+  /**
+   *
+   *
+   * <pre>
+   * The deployment is preparing the model assets.
+   * </pre>
+   *
+   * <code>PREPARING_MODEL = 6;</code>
+   */
+  public static final int PREPARING_MODEL_VALUE = 6;
+
+  /**
+   *
+   *
+   * <pre>
+   * The deployment is creating the underlying serving cluster.
+   * </pre>
+   *
+   * <code>CREATING_SERVING_CLUSTER = 7;</code>
+   */
+  public static final int CREATING_SERVING_CLUSTER_VALUE = 7;
+
+  /**
+   *
+   *
+   * <pre>
+   * The deployment is adding nodes to the serving cluster.
+   * </pre>
+   *
+   * <code>ADDING_NODES_TO_CLUSTER = 8;</code>
+   */
+  public static final int ADDING_NODES_TO_CLUSTER_VALUE = 8;
+
+  /**
+   *
+   *
+   * <pre>
+   * The deployment is getting the container image for the model server.
+   * </pre>
+   *
+   * <code>GETTING_CONTAINER_IMAGE = 9;</code>
+   */
+  public static final int GETTING_CONTAINER_IMAGE_VALUE = 9;
+
+  /**
+   *
+   *
+   * <pre>
+   * The deployment is starting the model server.
+   * </pre>
+   *
+   * <code>STARTING_MODEL_SERVER = 3;</code>
+   */
+  public static final int STARTING_MODEL_SERVER_VALUE = 3;
+
+  /**
+   *
+   *
+   * <pre>
+   * The deployment is performing finalization steps.
+   * </pre>
+   *
+   * <code>FINISHING_UP = 4;</code>
+   */
+  public static final int FINISHING_UP_VALUE = 4;
+
+  /**
+   *
+   *
+   * <pre>
+   * The deployment has terminated.
+   * </pre>
+   *
+   * <code>DEPLOYMENT_TERMINATED = 10;</code>
+   */
+  public static final int DEPLOYMENT_TERMINATED_VALUE = 10;
+
+  /**
+   *
+   *
+   * <pre>
+   * The deployment has succeeded.
+   * </pre>
+   *
+   * <code>SUCCESSFULLY_DEPLOYED = 11;</code>
+   */
+  public static final int SUCCESSFULLY_DEPLOYED_VALUE = 11;
+
+  /**
+   *
+   *
+   * <pre>
+   * The deployment has failed.
+   * </pre>
+   *
+   * <code>FAILED_TO_DEPLOY = 12;</code>
+   */
+  public static final int FAILED_TO_DEPLOY_VALUE = 12;
+
+  public final int getNumber() {
+    if (this == UNRECOGNIZED) {
+      throw new java.lang.IllegalArgumentException(
+          "Can't get the number of an unknown enum value.");
+    }
+    return value;
+  }
+
+  /**
+   * @param value The numeric wire value of the corresponding enum entry.
+   * @return The enum associated with the given numeric wire value.
+   * @deprecated Use {@link #forNumber(int)} instead.
+   */
+  @java.lang.Deprecated
+  public static DeploymentStage valueOf(int value) {
+    return forNumber(value);
+  }
+
+  /**
+   * @param value The numeric wire value of the corresponding enum entry.
+   * @return The enum associated with the given numeric wire value.
+   */
+  public static DeploymentStage forNumber(int value) {
+    switch (value) {
+      case 0:
+        return DEPLOYMENT_STAGE_UNSPECIFIED;
+      case 5:
+        return STARTING_DEPLOYMENT;
+      case 6:
+        return PREPARING_MODEL;
+      case 7:
+        return CREATING_SERVING_CLUSTER;
+      case 8:
+        return ADDING_NODES_TO_CLUSTER;
+      case 9:
+        return GETTING_CONTAINER_IMAGE;
+      case 3:
+        return STARTING_MODEL_SERVER;
+      case 4:
+        return FINISHING_UP;
+      case 10:
+        return DEPLOYMENT_TERMINATED;
+      case 11:
+        return SUCCESSFULLY_DEPLOYED;
+      case 12:
+        return FAILED_TO_DEPLOY;
+      default:
+        return null;
+    }
+  }
+
+  public static com.google.protobuf.Internal.EnumLiteMap<DeploymentStage> internalGetValueMap() {
+    return internalValueMap;
+  }
+
+  private static final com.google.protobuf.Internal.EnumLiteMap<DeploymentStage> internalValueMap =
+      new com.google.protobuf.Internal.EnumLiteMap<DeploymentStage>() {
+        public DeploymentStage findValueByNumber(int number) {
+          return DeploymentStage.forNumber(number);
+        }
+      };
+
+  public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+    if (this == UNRECOGNIZED) {
+      throw new java.lang.IllegalStateException(
+          "Can't get the descriptor of an unrecognized enum value.");
+    }
+    return getDescriptor().getValues().get(ordinal());
+  }
+
+  public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+    return getDescriptor();
+  }
+
+  public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.DeploymentStageProto.getDescriptor().getEnumTypes().get(0);
+  }
+
+  private static final DeploymentStage[] VALUES = values();
+
+  public static DeploymentStage valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+    if (desc.getType() != getDescriptor()) {
+      throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+    }
+    if (desc.getIndex() == -1) {
+      return UNRECOGNIZED;
+    }
+    return VALUES[desc.getIndex()];
+  }
+
+  private final int value;
+
+  private DeploymentStage(int value) {
+    this.value = value;
+  }
+
+  // @@protoc_insertion_point(enum_scope:google.cloud.vertexai.v1.DeploymentStage)
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeploymentStageProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeploymentStageProto.java
new file mode 100644
index 000000000000..39de820a6b99
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeploymentStageProto.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/deployment_stage.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public final class DeploymentStageProto extends com.google.protobuf.GeneratedFile {
+  private DeploymentStageProto() {}
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DeploymentStageProto");
+  }
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions((com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+
+  public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
+    return descriptor;
+  }
+
+  private static com.google.protobuf.Descriptors.FileDescriptor descriptor;
+
+  static {
+    java.lang.String[] descriptorData = {
+      "\n/google/cloud/vertexai/v1/deployment_st"
+          + "age.proto\022\030google.cloud.vertexai.v1*\262\002\n\017"
+          + "DeploymentStage\022 \n\034DEPLOYMENT_STAGE_UNSP"
+          + "ECIFIED\020\000\022\027\n\023STARTING_DEPLOYMENT\020\005\022\023\n\017PR"
+          + "EPARING_MODEL\020\006\022\034\n\030CREATING_SERVING_CLUS"
+          + "TER\020\007\022\033\n\027ADDING_NODES_TO_CLUSTER\020\010\022\033\n\027GE"
+          + "TTING_CONTAINER_IMAGE\020\t\022\031\n\025STARTING_MODE"
+          + "L_SERVER\020\003\022\020\n\014FINISHING_UP\020\004\022\031\n\025DEPLOYME"
+          + "NT_TERMINATED\020\n\022\031\n\025SUCCESSFULLY_DEPLOYED"
+          + "\020\013\022\024\n\020FAILED_TO_DEPLOY\020\014B\321\001\n\035com.google."
+          + "cloud.vertexai.apiB\024DeploymentStageProto"
+          + "P\001Z>cloud.google.com/go/aiplatform/apiv1"
+          + "/aiplatformpb;aiplatformpb\252\002\032Google.Clou"
+          + "d.AIPlatform.V1\312\002\032Google\\Cloud\\AIPlatfor"
+          + "m\\V1\352\002\035Google::Cloud::AIPlatform::V1b\006pr"
+          + "oto3"
+    };
+    descriptor =
+        com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
+            descriptorData, new com.google.protobuf.Descriptors.FileDescriptor[] {});
+    descriptor.resolveAllFeaturesImmutable();
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictRequest.java
index c6b7cd1aa07e..be9dc3dc6429 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DirectPredictRequest}
  */
-public final class DirectPredictRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DirectPredictRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DirectPredictRequest)
     DirectPredictRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DirectPredictRequest");
+  }
+
   // Use DirectPredictRequest.newBuilder() to construct.
-  private DirectPredictRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DirectPredictRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,13 @@ private DirectPredictRequest() {
     inputs_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DirectPredictRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_DirectPredictRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_DirectPredictRequest_fieldAccessorTable
@@ -271,8 +277,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
     for (int i = 0; i < inputs_.size(); i++) {
       output.writeMessage(2, inputs_.get(i));
@@ -289,8 +295,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
     for (int i = 0; i < inputs_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, inputs_.get(i));
@@ -383,38 +389,38 @@ public static com.google.cloud.vertexai.api.DirectPredictRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.DirectPredictRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectPredictRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DirectPredictRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectPredictRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DirectPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -437,7 +443,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -452,7 +458,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DirectPredictRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DirectPredictRequest)
       com.google.cloud.vertexai.api.DirectPredictRequestOrBuilder {
@@ -462,7 +468,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_DirectPredictRequest_fieldAccessorTable
@@ -476,15 +482,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getInputsFieldBuilder();
-        getParametersFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetInputsFieldBuilder();
+        internalGetParametersFieldBuilder();
       }
     }
 
@@ -566,39 +572,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.DirectPredictRequest re
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DirectPredictRequest) {
@@ -636,8 +609,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.DirectPredictRequest othe
             inputs_ = other.inputs_;
             bitField0_ = (bitField0_ & ~0x00000002);
             inputsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getInputsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetInputsFieldBuilder()
                     : null;
           } else {
             inputsBuilder_.addAllMessages(other.inputs_);
@@ -694,7 +667,8 @@ public Builder mergeFrom(
               } // case 18
             case 26:
               {
-                input.readMessage(getParametersFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetParametersFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 26
@@ -858,7 +832,7 @@ private void ensureInputsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
@@ -1117,7 +1091,7 @@ public Builder removeInputs(int index) {
      * <code>repeated .google.cloud.vertexai.v1.Tensor inputs = 2;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder getInputsBuilder(int index) {
-      return getInputsFieldBuilder().getBuilder(index);
+      return internalGetInputsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1165,7 +1139,7 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getInputsOrBuilder(int inde
      * <code>repeated .google.cloud.vertexai.v1.Tensor inputs = 2;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder addInputsBuilder() {
-      return getInputsFieldBuilder()
+      return internalGetInputsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Tensor.getDefaultInstance());
     }
 
@@ -1179,7 +1153,7 @@ public com.google.cloud.vertexai.api.Tensor.Builder addInputsBuilder() {
      * <code>repeated .google.cloud.vertexai.v1.Tensor inputs = 2;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder addInputsBuilder(int index) {
-      return getInputsFieldBuilder()
+      return internalGetInputsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Tensor.getDefaultInstance());
     }
 
@@ -1193,17 +1167,17 @@ public com.google.cloud.vertexai.api.Tensor.Builder addInputsBuilder(int index)
      * <code>repeated .google.cloud.vertexai.v1.Tensor inputs = 2;</code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Tensor.Builder> getInputsBuilderList() {
-      return getInputsFieldBuilder().getBuilderList();
+      return internalGetInputsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
-        getInputsFieldBuilder() {
+        internalGetInputsFieldBuilder() {
       if (inputsBuilder_ == null) {
         inputsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Tensor,
                 com.google.cloud.vertexai.api.Tensor.Builder,
                 com.google.cloud.vertexai.api.TensorOrBuilder>(
@@ -1214,7 +1188,7 @@ public java.util.List<com.google.cloud.vertexai.api.Tensor.Builder> getInputsBui
     }
 
     private com.google.cloud.vertexai.api.Tensor parameters_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
@@ -1359,7 +1333,7 @@ public Builder clearParameters() {
     public com.google.cloud.vertexai.api.Tensor.Builder getParametersBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getParametersFieldBuilder().getBuilder();
+      return internalGetParametersFieldBuilder().getBuilder();
     }
 
     /**
@@ -1390,14 +1364,14 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getParametersOrBuilder() {
      *
      * <code>.google.cloud.vertexai.v1.Tensor parameters = 3;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
-        getParametersFieldBuilder() {
+        internalGetParametersFieldBuilder() {
       if (parametersBuilder_ == null) {
         parametersBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Tensor,
                 com.google.cloud.vertexai.api.Tensor.Builder,
                 com.google.cloud.vertexai.api.TensorOrBuilder>(
@@ -1407,17 +1381,6 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getParametersOrBuilder() {
       return parametersBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DirectPredictRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictRequestOrBuilder.java
index 21919f84070e..074216683229 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DirectPredictRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DirectPredictRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictResponse.java
index bb44e9733967..a90d4e6bf220 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DirectPredictResponse}
  */
-public final class DirectPredictResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DirectPredictResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DirectPredictResponse)
     DirectPredictResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DirectPredictResponse");
+  }
+
   // Use DirectPredictResponse.newBuilder() to construct.
-  private DirectPredictResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DirectPredictResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private DirectPredictResponse() {
     outputs_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DirectPredictResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_DirectPredictResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_DirectPredictResponse_fieldAccessorTable
@@ -312,38 +318,38 @@ public static com.google.cloud.vertexai.api.DirectPredictResponse parseFrom(
 
   public static com.google.cloud.vertexai.api.DirectPredictResponse parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectPredictResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DirectPredictResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectPredictResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DirectPredictResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectPredictResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -366,7 +372,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -381,7 +387,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DirectPredictResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DirectPredictResponse)
       com.google.cloud.vertexai.api.DirectPredictResponseOrBuilder {
@@ -391,7 +397,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_DirectPredictResponse_fieldAccessorTable
@@ -405,15 +411,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getOutputsFieldBuilder();
-        getParametersFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetOutputsFieldBuilder();
+        internalGetParametersFieldBuilder();
       }
     }
 
@@ -491,39 +497,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.DirectPredictResponse r
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DirectPredictResponse) {
@@ -556,8 +529,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.DirectPredictResponse oth
             outputs_ = other.outputs_;
             bitField0_ = (bitField0_ & ~0x00000001);
             outputsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getOutputsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetOutputsFieldBuilder()
                     : null;
           } else {
             outputsBuilder_.addAllMessages(other.outputs_);
@@ -608,7 +581,8 @@ public Builder mergeFrom(
               } // case 10
             case 18:
               {
-                input.readMessage(getParametersFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetParametersFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
@@ -641,7 +615,7 @@ private void ensureOutputsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
@@ -900,7 +874,7 @@ public Builder removeOutputs(int index) {
      * <code>repeated .google.cloud.vertexai.v1.Tensor outputs = 1;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder getOutputsBuilder(int index) {
-      return getOutputsFieldBuilder().getBuilder(index);
+      return internalGetOutputsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -948,7 +922,7 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getOutputsOrBuilder(int ind
      * <code>repeated .google.cloud.vertexai.v1.Tensor outputs = 1;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder addOutputsBuilder() {
-      return getOutputsFieldBuilder()
+      return internalGetOutputsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Tensor.getDefaultInstance());
     }
 
@@ -962,7 +936,7 @@ public com.google.cloud.vertexai.api.Tensor.Builder addOutputsBuilder() {
      * <code>repeated .google.cloud.vertexai.v1.Tensor outputs = 1;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder addOutputsBuilder(int index) {
-      return getOutputsFieldBuilder()
+      return internalGetOutputsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Tensor.getDefaultInstance());
     }
 
@@ -976,17 +950,17 @@ public com.google.cloud.vertexai.api.Tensor.Builder addOutputsBuilder(int index)
      * <code>repeated .google.cloud.vertexai.v1.Tensor outputs = 1;</code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Tensor.Builder> getOutputsBuilderList() {
-      return getOutputsFieldBuilder().getBuilderList();
+      return internalGetOutputsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
-        getOutputsFieldBuilder() {
+        internalGetOutputsFieldBuilder() {
       if (outputsBuilder_ == null) {
         outputsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Tensor,
                 com.google.cloud.vertexai.api.Tensor.Builder,
                 com.google.cloud.vertexai.api.TensorOrBuilder>(
@@ -997,7 +971,7 @@ public java.util.List<com.google.cloud.vertexai.api.Tensor.Builder> getOutputsBu
     }
 
     private com.google.cloud.vertexai.api.Tensor parameters_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
@@ -1142,7 +1116,7 @@ public Builder clearParameters() {
     public com.google.cloud.vertexai.api.Tensor.Builder getParametersBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getParametersFieldBuilder().getBuilder();
+      return internalGetParametersFieldBuilder().getBuilder();
     }
 
     /**
@@ -1173,14 +1147,14 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getParametersOrBuilder() {
      *
      * <code>.google.cloud.vertexai.v1.Tensor parameters = 2;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
-        getParametersFieldBuilder() {
+        internalGetParametersFieldBuilder() {
       if (parametersBuilder_ == null) {
         parametersBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Tensor,
                 com.google.cloud.vertexai.api.Tensor.Builder,
                 com.google.cloud.vertexai.api.TensorOrBuilder>(
@@ -1190,17 +1164,6 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getParametersOrBuilder() {
       return parametersBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DirectPredictResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictResponseOrBuilder.java
index ba9e4773617d..852cf9f091c7 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectPredictResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DirectPredictResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DirectPredictResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictRequest.java
index e61efd8f8da0..3a08baf9a5a7 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DirectRawPredictRequest}
  */
-public final class DirectRawPredictRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DirectRawPredictRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DirectRawPredictRequest)
     DirectRawPredictRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DirectRawPredictRequest");
+  }
+
   // Use DirectRawPredictRequest.newBuilder() to construct.
-  private DirectRawPredictRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DirectRawPredictRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -46,19 +58,13 @@ private DirectRawPredictRequest() {
     input_ = com.google.protobuf.ByteString.EMPTY;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DirectRawPredictRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_DirectRawPredictRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_DirectRawPredictRequest_fieldAccessorTable
@@ -226,11 +232,11 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(methodName_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, methodName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(methodName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, methodName_);
     }
     if (!input_.isEmpty()) {
       output.writeBytes(3, input_);
@@ -244,11 +250,11 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(methodName_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, methodName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(methodName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, methodName_);
     }
     if (!input_.isEmpty()) {
       size += com.google.protobuf.CodedOutputStream.computeBytesSize(3, input_);
@@ -331,38 +337,38 @@ public static com.google.cloud.vertexai.api.DirectRawPredictRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.DirectRawPredictRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectRawPredictRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DirectRawPredictRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectRawPredictRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DirectRawPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectRawPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -386,7 +392,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -401,7 +407,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DirectRawPredictRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DirectRawPredictRequest)
       com.google.cloud.vertexai.api.DirectRawPredictRequestOrBuilder {
@@ -411,7 +417,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_DirectRawPredictRequest_fieldAccessorTable
@@ -423,7 +429,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.DirectRawPredictRequest.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -481,39 +487,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.DirectRawPredictRequest
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DirectRawPredictRequest) {
@@ -537,7 +510,7 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.DirectRawPredictRequest o
         bitField0_ |= 0x00000002;
         onChanged();
       }
-      if (other.getInput() != com.google.protobuf.ByteString.EMPTY) {
+      if (!other.getInput().isEmpty()) {
         setInput(other.getInput());
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -933,17 +906,6 @@ public Builder clearInput() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DirectRawPredictRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictRequestOrBuilder.java
index 332657467a1d..ab2466256a8e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DirectRawPredictRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DirectRawPredictRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictResponse.java
index 13ec042f6967..4e27dcc16e29 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DirectRawPredictResponse}
  */
-public final class DirectRawPredictResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DirectRawPredictResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DirectRawPredictResponse)
     DirectRawPredictResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DirectRawPredictResponse");
+  }
+
   // Use DirectRawPredictResponse.newBuilder() to construct.
-  private DirectRawPredictResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DirectRawPredictResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private DirectRawPredictResponse() {
     output_ = com.google.protobuf.ByteString.EMPTY;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DirectRawPredictResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_DirectRawPredictResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_DirectRawPredictResponse_fieldAccessorTable
@@ -185,38 +191,38 @@ public static com.google.cloud.vertexai.api.DirectRawPredictResponse parseFrom(
 
   public static com.google.cloud.vertexai.api.DirectRawPredictResponse parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectRawPredictResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DirectRawPredictResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectRawPredictResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DirectRawPredictResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectRawPredictResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -240,7 +246,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -255,7 +261,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DirectRawPredictResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DirectRawPredictResponse)
       com.google.cloud.vertexai.api.DirectRawPredictResponseOrBuilder {
@@ -265,7 +271,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_DirectRawPredictResponse_fieldAccessorTable
@@ -277,7 +283,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.DirectRawPredictResponse.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -327,39 +333,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.DirectRawPredictRespons
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DirectRawPredictResponse) {
@@ -373,7 +346,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     public Builder mergeFrom(com.google.cloud.vertexai.api.DirectRawPredictResponse other) {
       if (other == com.google.cloud.vertexai.api.DirectRawPredictResponse.getDefaultInstance())
         return this;
-      if (other.getOutput() != com.google.protobuf.ByteString.EMPTY) {
+      if (!other.getOutput().isEmpty()) {
         setOutput(other.getOutput());
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -485,17 +458,6 @@ public Builder clearOutput() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DirectRawPredictResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictResponseOrBuilder.java
index f119b19f7881..71009e9e3bbe 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DirectRawPredictResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DirectRawPredictResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectUploadSource.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectUploadSource.java
index 36277f03cfec..95f860bb3b03 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectUploadSource.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectUploadSource.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DirectUploadSource}
  */
-public final class DirectUploadSource extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DirectUploadSource extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DirectUploadSource)
     DirectUploadSourceOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DirectUploadSource");
+  }
+
   // Use DirectUploadSource.newBuilder() to construct.
-  private DirectUploadSource(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DirectUploadSource(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private DirectUploadSource() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DirectUploadSource();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_DirectUploadSource_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_DirectUploadSource_fieldAccessorTable
@@ -154,38 +160,38 @@ public static com.google.cloud.vertexai.api.DirectUploadSource parseFrom(
 
   public static com.google.cloud.vertexai.api.DirectUploadSource parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectUploadSource parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DirectUploadSource parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectUploadSource parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DirectUploadSource parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DirectUploadSource parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -208,7 +214,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -222,7 +228,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DirectUploadSource}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DirectUploadSource)
       com.google.cloud.vertexai.api.DirectUploadSourceOrBuilder {
@@ -232,7 +238,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_DirectUploadSource_fieldAccessorTable
@@ -244,7 +250,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.DirectUploadSource.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -282,39 +288,6 @@ public com.google.cloud.vertexai.api.DirectUploadSource buildPartial() {
       return result;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DirectUploadSource) {
@@ -371,17 +344,6 @@ public Builder mergeFrom(
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DirectUploadSource)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectUploadSourceOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectUploadSourceOrBuilder.java
index 8a92fefc99b0..545fba53c153 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectUploadSourceOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectUploadSourceOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DirectUploadSourceOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DirectUploadSource)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DiskSpec.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DiskSpec.java
index f0755aaacb27..bc112cdc293c 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DiskSpec.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DiskSpec.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DiskSpec}
  */
-public final class DiskSpec extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DiskSpec extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DiskSpec)
     DiskSpecOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DiskSpec");
+  }
+
   // Use DiskSpec.newBuilder() to construct.
-  private DiskSpec(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DiskSpec(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private DiskSpec() {
     bootDiskType_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DiskSpec();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_DiskSpec_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_DiskSpec_fieldAccessorTable
@@ -154,8 +160,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(bootDiskType_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, bootDiskType_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(bootDiskType_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, bootDiskType_);
     }
     if (bootDiskSizeGb_ != 0) {
       output.writeInt32(2, bootDiskSizeGb_);
@@ -169,8 +175,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(bootDiskType_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, bootDiskType_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(bootDiskType_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, bootDiskType_);
     }
     if (bootDiskSizeGb_ != 0) {
       size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, bootDiskSizeGb_);
@@ -249,38 +255,38 @@ public static com.google.cloud.vertexai.api.DiskSpec parseFrom(
 
   public static com.google.cloud.vertexai.api.DiskSpec parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DiskSpec parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DiskSpec parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DiskSpec parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DiskSpec parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DiskSpec parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -303,7 +309,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -317,7 +323,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DiskSpec}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DiskSpec)
       com.google.cloud.vertexai.api.DiskSpecOrBuilder {
@@ -327,7 +333,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.MachineResourcesProto
           .internal_static_google_cloud_vertexai_v1_DiskSpec_fieldAccessorTable
@@ -339,7 +345,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.DiskSpec.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -393,39 +399,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.DiskSpec result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DiskSpec) {
@@ -680,17 +653,6 @@ public Builder clearBootDiskSizeGb() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DiskSpec)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DiskSpecOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DiskSpecOrBuilder.java
index bc82c29b3337..503d052f5179 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DiskSpecOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DiskSpecOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DiskSpecOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DiskSpec)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DnsPeeringConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DnsPeeringConfig.java
new file mode 100644
index 000000000000..ff6ff80e621c
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DnsPeeringConfig.java
@@ -0,0 +1,1014 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/service_networking.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * DNS peering configuration. These configurations are used to create
+ * DNS peering zones in the Vertex tenant project VPC, enabling resolution
+ * of records within the specified domain hosted in the target network's
+ * Cloud DNS.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.DnsPeeringConfig}
+ */
+@com.google.protobuf.Generated
+public final class DnsPeeringConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DnsPeeringConfig)
+    DnsPeeringConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DnsPeeringConfig");
+  }
+
+  // Use DnsPeeringConfig.newBuilder() to construct.
+  private DnsPeeringConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private DnsPeeringConfig() {
+    domain_ = "";
+    targetProject_ = "";
+    targetNetwork_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ServiceNetworkingProto
+        .internal_static_google_cloud_vertexai_v1_DnsPeeringConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ServiceNetworkingProto
+        .internal_static_google_cloud_vertexai_v1_DnsPeeringConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.DnsPeeringConfig.class,
+            com.google.cloud.vertexai.api.DnsPeeringConfig.Builder.class);
+  }
+
+  public static final int DOMAIN_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object domain_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The DNS name suffix of the zone being peered to, e.g.,
+   * "my-internal-domain.corp.". Must end with a dot.
+   * </pre>
+   *
+   * <code>string domain = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The domain.
+   */
+  @java.lang.Override
+  public java.lang.String getDomain() {
+    java.lang.Object ref = domain_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      domain_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The DNS name suffix of the zone being peered to, e.g.,
+   * "my-internal-domain.corp.". Must end with a dot.
+   * </pre>
+   *
+   * <code>string domain = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for domain.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getDomainBytes() {
+    java.lang.Object ref = domain_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      domain_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int TARGET_PROJECT_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object targetProject_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The project ID hosting the Cloud DNS managed zone that
+   * contains the 'domain'. The Vertex AI Service Agent requires the
+   * dns.peer role on this project.
+   * </pre>
+   *
+   * <code>string target_project = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The targetProject.
+   */
+  @java.lang.Override
+  public java.lang.String getTargetProject() {
+    java.lang.Object ref = targetProject_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      targetProject_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The project ID hosting the Cloud DNS managed zone that
+   * contains the 'domain'. The Vertex AI Service Agent requires the
+   * dns.peer role on this project.
+   * </pre>
+   *
+   * <code>string target_project = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for targetProject.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getTargetProjectBytes() {
+    java.lang.Object ref = targetProject_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      targetProject_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int TARGET_NETWORK_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object targetNetwork_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The VPC network name
+   * in the target_project where the DNS zone specified by 'domain' is
+   * visible.
+   * </pre>
+   *
+   * <code>string target_network = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The targetNetwork.
+   */
+  @java.lang.Override
+  public java.lang.String getTargetNetwork() {
+    java.lang.Object ref = targetNetwork_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      targetNetwork_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The VPC network name
+   * in the target_project where the DNS zone specified by 'domain' is
+   * visible.
+   * </pre>
+   *
+   * <code>string target_network = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for targetNetwork.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getTargetNetworkBytes() {
+    java.lang.Object ref = targetNetwork_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      targetNetwork_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(domain_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, domain_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(targetProject_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, targetProject_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(targetNetwork_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, targetNetwork_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(domain_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, domain_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(targetProject_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, targetProject_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(targetNetwork_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, targetNetwork_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.DnsPeeringConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.DnsPeeringConfig other =
+        (com.google.cloud.vertexai.api.DnsPeeringConfig) obj;
+
+    if (!getDomain().equals(other.getDomain())) return false;
+    if (!getTargetProject().equals(other.getTargetProject())) return false;
+    if (!getTargetNetwork().equals(other.getTargetNetwork())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + DOMAIN_FIELD_NUMBER;
+    hash = (53 * hash) + getDomain().hashCode();
+    hash = (37 * hash) + TARGET_PROJECT_FIELD_NUMBER;
+    hash = (53 * hash) + getTargetProject().hashCode();
+    hash = (37 * hash) + TARGET_NETWORK_FIELD_NUMBER;
+    hash = (53 * hash) + getTargetNetwork().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.DnsPeeringConfig parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.DnsPeeringConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.DnsPeeringConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.DnsPeeringConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.DnsPeeringConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.DnsPeeringConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.DnsPeeringConfig parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.DnsPeeringConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.DnsPeeringConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.DnsPeeringConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.DnsPeeringConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.DnsPeeringConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.DnsPeeringConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * DNS peering configuration. These configurations are used to create
+   * DNS peering zones in the Vertex tenant project VPC, enabling resolution
+   * of records within the specified domain hosted in the target network's
+   * Cloud DNS.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.DnsPeeringConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DnsPeeringConfig)
+      com.google.cloud.vertexai.api.DnsPeeringConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ServiceNetworkingProto
+          .internal_static_google_cloud_vertexai_v1_DnsPeeringConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ServiceNetworkingProto
+          .internal_static_google_cloud_vertexai_v1_DnsPeeringConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.DnsPeeringConfig.class,
+              com.google.cloud.vertexai.api.DnsPeeringConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.DnsPeeringConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      domain_ = "";
+      targetProject_ = "";
+      targetNetwork_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ServiceNetworkingProto
+          .internal_static_google_cloud_vertexai_v1_DnsPeeringConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.DnsPeeringConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.DnsPeeringConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.DnsPeeringConfig build() {
+      com.google.cloud.vertexai.api.DnsPeeringConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.DnsPeeringConfig buildPartial() {
+      com.google.cloud.vertexai.api.DnsPeeringConfig result =
+          new com.google.cloud.vertexai.api.DnsPeeringConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.DnsPeeringConfig result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.domain_ = domain_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.targetProject_ = targetProject_;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.targetNetwork_ = targetNetwork_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.DnsPeeringConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.DnsPeeringConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.DnsPeeringConfig other) {
+      if (other == com.google.cloud.vertexai.api.DnsPeeringConfig.getDefaultInstance()) return this;
+      if (!other.getDomain().isEmpty()) {
+        domain_ = other.domain_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      if (!other.getTargetProject().isEmpty()) {
+        targetProject_ = other.targetProject_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      if (!other.getTargetNetwork().isEmpty()) {
+        targetNetwork_ = other.targetNetwork_;
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                domain_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                targetProject_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            case 26:
+              {
+                targetNetwork_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object domain_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The DNS name suffix of the zone being peered to, e.g.,
+     * "my-internal-domain.corp.". Must end with a dot.
+     * </pre>
+     *
+     * <code>string domain = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The domain.
+     */
+    public java.lang.String getDomain() {
+      java.lang.Object ref = domain_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        domain_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The DNS name suffix of the zone being peered to, e.g.,
+     * "my-internal-domain.corp.". Must end with a dot.
+     * </pre>
+     *
+     * <code>string domain = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for domain.
+     */
+    public com.google.protobuf.ByteString getDomainBytes() {
+      java.lang.Object ref = domain_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        domain_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The DNS name suffix of the zone being peered to, e.g.,
+     * "my-internal-domain.corp.". Must end with a dot.
+     * </pre>
+     *
+     * <code>string domain = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The domain to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDomain(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      domain_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The DNS name suffix of the zone being peered to, e.g.,
+     * "my-internal-domain.corp.". Must end with a dot.
+     * </pre>
+     *
+     * <code>string domain = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDomain() {
+      domain_ = getDefaultInstance().getDomain();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The DNS name suffix of the zone being peered to, e.g.,
+     * "my-internal-domain.corp.". Must end with a dot.
+     * </pre>
+     *
+     * <code>string domain = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The bytes for domain to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDomainBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      domain_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object targetProject_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The project ID hosting the Cloud DNS managed zone that
+     * contains the 'domain'. The Vertex AI Service Agent requires the
+     * dns.peer role on this project.
+     * </pre>
+     *
+     * <code>string target_project = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The targetProject.
+     */
+    public java.lang.String getTargetProject() {
+      java.lang.Object ref = targetProject_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        targetProject_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The project ID hosting the Cloud DNS managed zone that
+     * contains the 'domain'. The Vertex AI Service Agent requires the
+     * dns.peer role on this project.
+     * </pre>
+     *
+     * <code>string target_project = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for targetProject.
+     */
+    public com.google.protobuf.ByteString getTargetProjectBytes() {
+      java.lang.Object ref = targetProject_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        targetProject_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The project ID hosting the Cloud DNS managed zone that
+     * contains the 'domain'. The Vertex AI Service Agent requires the
+     * dns.peer role on this project.
+     * </pre>
+     *
+     * <code>string target_project = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The targetProject to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTargetProject(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      targetProject_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The project ID hosting the Cloud DNS managed zone that
+     * contains the 'domain'. The Vertex AI Service Agent requires the
+     * dns.peer role on this project.
+     * </pre>
+     *
+     * <code>string target_project = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearTargetProject() {
+      targetProject_ = getDefaultInstance().getTargetProject();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The project ID hosting the Cloud DNS managed zone that
+     * contains the 'domain'. The Vertex AI Service Agent requires the
+     * dns.peer role on this project.
+     * </pre>
+     *
+     * <code>string target_project = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The bytes for targetProject to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTargetProjectBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      targetProject_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object targetNetwork_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The VPC network name
+     * in the target_project where the DNS zone specified by 'domain' is
+     * visible.
+     * </pre>
+     *
+     * <code>string target_network = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The targetNetwork.
+     */
+    public java.lang.String getTargetNetwork() {
+      java.lang.Object ref = targetNetwork_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        targetNetwork_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The VPC network name
+     * in the target_project where the DNS zone specified by 'domain' is
+     * visible.
+     * </pre>
+     *
+     * <code>string target_network = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for targetNetwork.
+     */
+    public com.google.protobuf.ByteString getTargetNetworkBytes() {
+      java.lang.Object ref = targetNetwork_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        targetNetwork_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The VPC network name
+     * in the target_project where the DNS zone specified by 'domain' is
+     * visible.
+     * </pre>
+     *
+     * <code>string target_network = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The targetNetwork to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTargetNetwork(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      targetNetwork_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The VPC network name
+     * in the target_project where the DNS zone specified by 'domain' is
+     * visible.
+     * </pre>
+     *
+     * <code>string target_network = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearTargetNetwork() {
+      targetNetwork_ = getDefaultInstance().getTargetNetwork();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The VPC network name
+     * in the target_project where the DNS zone specified by 'domain' is
+     * visible.
+     * </pre>
+     *
+     * <code>string target_network = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The bytes for targetNetwork to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTargetNetworkBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      targetNetwork_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DnsPeeringConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.DnsPeeringConfig)
+  private static final com.google.cloud.vertexai.api.DnsPeeringConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.DnsPeeringConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.DnsPeeringConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<DnsPeeringConfig> PARSER =
+      new com.google.protobuf.AbstractParser<DnsPeeringConfig>() {
+        @java.lang.Override
+        public DnsPeeringConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<DnsPeeringConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<DnsPeeringConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.DnsPeeringConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DnsPeeringConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DnsPeeringConfigOrBuilder.java
new file mode 100644
index 000000000000..83234c294eda
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DnsPeeringConfigOrBuilder.java
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/service_networking.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface DnsPeeringConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DnsPeeringConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The DNS name suffix of the zone being peered to, e.g.,
+   * "my-internal-domain.corp.". Must end with a dot.
+   * </pre>
+   *
+   * <code>string domain = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The domain.
+   */
+  java.lang.String getDomain();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The DNS name suffix of the zone being peered to, e.g.,
+   * "my-internal-domain.corp.". Must end with a dot.
+   * </pre>
+   *
+   * <code>string domain = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for domain.
+   */
+  com.google.protobuf.ByteString getDomainBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The project ID hosting the Cloud DNS managed zone that
+   * contains the 'domain'. The Vertex AI Service Agent requires the
+   * dns.peer role on this project.
+   * </pre>
+   *
+   * <code>string target_project = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The targetProject.
+   */
+  java.lang.String getTargetProject();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The project ID hosting the Cloud DNS managed zone that
+   * contains the 'domain'. The Vertex AI Service Agent requires the
+   * dns.peer role on this project.
+   * </pre>
+   *
+   * <code>string target_project = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for targetProject.
+   */
+  com.google.protobuf.ByteString getTargetProjectBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The VPC network name
+   * in the target_project where the DNS zone specified by 'domain' is
+   * visible.
+   * </pre>
+   *
+   * <code>string target_network = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The targetNetwork.
+   */
+  java.lang.String getTargetNetwork();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The VPC network name
+   * in the target_project where the DNS zone specified by 'domain' is
+   * visible.
+   * </pre>
+   *
+   * <code>string target_network = 3 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for targetNetwork.
+   */
+  com.google.protobuf.ByteString getTargetNetworkBytes();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DoubleArray.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DoubleArray.java
index 7f8c6e31bede..e150f35304ac 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DoubleArray.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DoubleArray.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/types.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DoubleArray}
  */
-public final class DoubleArray extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DoubleArray extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DoubleArray)
     DoubleArrayOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DoubleArray");
+  }
+
   // Use DoubleArray.newBuilder() to construct.
-  private DoubleArray(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DoubleArray(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private DoubleArray() {
     values_ = emptyDoubleList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DoubleArray();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.TypesProto
         .internal_static_google_cloud_vertexai_v1_DoubleArray_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.TypesProto
         .internal_static_google_cloud_vertexai_v1_DoubleArray_fieldAccessorTable
@@ -233,38 +239,38 @@ public static com.google.cloud.vertexai.api.DoubleArray parseFrom(
 
   public static com.google.cloud.vertexai.api.DoubleArray parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DoubleArray parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DoubleArray parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DoubleArray parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DoubleArray parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DoubleArray parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -287,7 +293,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -301,7 +307,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DoubleArray}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DoubleArray)
       com.google.cloud.vertexai.api.DoubleArrayOrBuilder {
@@ -311,7 +317,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.TypesProto
           .internal_static_google_cloud_vertexai_v1_DoubleArray_fieldAccessorTable
@@ -323,7 +329,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.DoubleArray.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -374,39 +380,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.DoubleArray result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DoubleArray) {
@@ -638,17 +611,6 @@ public Builder clearValues() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DoubleArray)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DoubleArrayOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DoubleArrayOrBuilder.java
index e73dbde3b031..4b73d457f1b9 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DoubleArrayOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DoubleArrayOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/types.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DoubleArrayOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DoubleArray)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DynamicRetrievalConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DynamicRetrievalConfig.java
index 709aaf08b477..a7eb20132bee 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DynamicRetrievalConfig.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DynamicRetrievalConfig.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.DynamicRetrievalConfig}
  */
-public final class DynamicRetrievalConfig extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class DynamicRetrievalConfig extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.DynamicRetrievalConfig)
     DynamicRetrievalConfigOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "DynamicRetrievalConfig");
+  }
+
   // Use DynamicRetrievalConfig.newBuilder() to construct.
-  private DynamicRetrievalConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private DynamicRetrievalConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private DynamicRetrievalConfig() {
     mode_ = 0;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new DynamicRetrievalConfig();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_DynamicRetrievalConfig_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_DynamicRetrievalConfig_fieldAccessorTable
@@ -97,6 +103,16 @@ public enum Mode implements com.google.protobuf.ProtocolMessageEnum {
     UNRECOGNIZED(-1),
     ;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "Mode");
+    }
+
     /**
      *
      *
@@ -175,7 +191,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
       return getDescriptor();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
       return com.google.cloud.vertexai.api.DynamicRetrievalConfig.getDescriptor()
           .getEnumTypes()
           .get(0);
@@ -397,38 +413,38 @@ public static com.google.cloud.vertexai.api.DynamicRetrievalConfig parseFrom(
 
   public static com.google.cloud.vertexai.api.DynamicRetrievalConfig parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DynamicRetrievalConfig parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DynamicRetrievalConfig parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DynamicRetrievalConfig parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.DynamicRetrievalConfig parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.DynamicRetrievalConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -451,7 +467,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -465,7 +481,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.DynamicRetrievalConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.DynamicRetrievalConfig)
       com.google.cloud.vertexai.api.DynamicRetrievalConfigOrBuilder {
@@ -475,7 +491,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_DynamicRetrievalConfig_fieldAccessorTable
@@ -487,7 +503,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.DynamicRetrievalConfig.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -544,39 +560,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.DynamicRetrievalConfig
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.DynamicRetrievalConfig) {
@@ -826,17 +809,6 @@ public Builder clearDynamicThreshold() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.DynamicRetrievalConfig)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DynamicRetrievalConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DynamicRetrievalConfigOrBuilder.java
index 90b71766d621..9f69ce5d3b4a 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DynamicRetrievalConfigOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DynamicRetrievalConfigOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface DynamicRetrievalConfigOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.DynamicRetrievalConfig)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EmbedContentRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EmbedContentRequest.java
new file mode 100644
index 000000000000..32530dd78ffb
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EmbedContentRequest.java
@@ -0,0 +1,1982 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for
+ * [PredictionService.EmbedContent][google.cloud.aiplatform.v1.PredictionService.EmbedContent].
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.EmbedContentRequest}
+ */
+@com.google.protobuf.Generated
+public final class EmbedContentRequest extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.EmbedContentRequest)
+    EmbedContentRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "EmbedContentRequest");
+  }
+
+  // Use EmbedContentRequest.newBuilder() to construct.
+  private EmbedContentRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private EmbedContentRequest() {
+    model_ = "";
+    title_ = "";
+    taskType_ = 0;
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.PredictionServiceProto
+        .internal_static_google_cloud_vertexai_v1_EmbedContentRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.PredictionServiceProto
+        .internal_static_google_cloud_vertexai_v1_EmbedContentRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.EmbedContentRequest.class,
+            com.google.cloud.vertexai.api.EmbedContentRequest.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Represents a downstream task the embeddings will be used for.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.vertexai.v1.EmbedContentRequest.EmbeddingTaskType}
+   */
+  public enum EmbeddingTaskType implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Unset value, which will default to one of the other enum values.
+     * </pre>
+     *
+     * <code>UNSPECIFIED = 0;</code>
+     */
+    UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the given text is a query in a search/retrieval setting.
+     * </pre>
+     *
+     * <code>RETRIEVAL_QUERY = 2;</code>
+     */
+    RETRIEVAL_QUERY(2),
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the given text is a document from the corpus being searched.
+     * </pre>
+     *
+     * <code>RETRIEVAL_DOCUMENT = 3;</code>
+     */
+    RETRIEVAL_DOCUMENT(3),
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the given text will be used for STS.
+     * </pre>
+     *
+     * <code>SEMANTIC_SIMILARITY = 4;</code>
+     */
+    SEMANTIC_SIMILARITY(4),
+    /**
+     *
+     *
+     * <pre>
+     * Specifies that the given text will be classified.
+     * </pre>
+     *
+     * <code>CLASSIFICATION = 5;</code>
+     */
+    CLASSIFICATION(5),
+    /**
+     *
+     *
+     * <pre>
+     * Specifies that the embeddings will be used for clustering.
+     * </pre>
+     *
+     * <code>CLUSTERING = 6;</code>
+     */
+    CLUSTERING(6),
+    /**
+     *
+     *
+     * <pre>
+     * Specifies that the embeddings will be used for question answering.
+     * </pre>
+     *
+     * <code>QUESTION_ANSWERING = 7;</code>
+     */
+    QUESTION_ANSWERING(7),
+    /**
+     *
+     *
+     * <pre>
+     * Specifies that the embeddings will be used for fact verification.
+     * </pre>
+     *
+     * <code>FACT_VERIFICATION = 8;</code>
+     */
+    FACT_VERIFICATION(8),
+    /**
+     *
+     *
+     * <pre>
+     * Specifies that the embeddings will be used for code retrieval.
+     * </pre>
+     *
+     * <code>CODE_RETRIEVAL_QUERY = 9;</code>
+     */
+    CODE_RETRIEVAL_QUERY(9),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "EmbeddingTaskType");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Unset value, which will default to one of the other enum values.
+     * </pre>
+     *
+     * <code>UNSPECIFIED = 0;</code>
+     */
+    public static final int UNSPECIFIED_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the given text is a query in a search/retrieval setting.
+     * </pre>
+     *
+     * <code>RETRIEVAL_QUERY = 2;</code>
+     */
+    public static final int RETRIEVAL_QUERY_VALUE = 2;
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the given text is a document from the corpus being searched.
+     * </pre>
+     *
+     * <code>RETRIEVAL_DOCUMENT = 3;</code>
+     */
+    public static final int RETRIEVAL_DOCUMENT_VALUE = 3;
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the given text will be used for STS.
+     * </pre>
+     *
+     * <code>SEMANTIC_SIMILARITY = 4;</code>
+     */
+    public static final int SEMANTIC_SIMILARITY_VALUE = 4;
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies that the given text will be classified.
+     * </pre>
+     *
+     * <code>CLASSIFICATION = 5;</code>
+     */
+    public static final int CLASSIFICATION_VALUE = 5;
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies that the embeddings will be used for clustering.
+     * </pre>
+     *
+     * <code>CLUSTERING = 6;</code>
+     */
+    public static final int CLUSTERING_VALUE = 6;
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies that the embeddings will be used for question answering.
+     * </pre>
+     *
+     * <code>QUESTION_ANSWERING = 7;</code>
+     */
+    public static final int QUESTION_ANSWERING_VALUE = 7;
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies that the embeddings will be used for fact verification.
+     * </pre>
+     *
+     * <code>FACT_VERIFICATION = 8;</code>
+     */
+    public static final int FACT_VERIFICATION_VALUE = 8;
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies that the embeddings will be used for code retrieval.
+     * </pre>
+     *
+     * <code>CODE_RETRIEVAL_QUERY = 9;</code>
+     */
+    public static final int CODE_RETRIEVAL_QUERY_VALUE = 9;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static EmbeddingTaskType valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static EmbeddingTaskType forNumber(int value) {
+      switch (value) {
+        case 0:
+          return UNSPECIFIED;
+        case 2:
+          return RETRIEVAL_QUERY;
+        case 3:
+          return RETRIEVAL_DOCUMENT;
+        case 4:
+          return SEMANTIC_SIMILARITY;
+        case 5:
+          return CLASSIFICATION;
+        case 6:
+          return CLUSTERING;
+        case 7:
+          return QUESTION_ANSWERING;
+        case 8:
+          return FACT_VERIFICATION;
+        case 9:
+          return CODE_RETRIEVAL_QUERY;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<EmbeddingTaskType>
+        internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<EmbeddingTaskType>
+        internalValueMap =
+            new com.google.protobuf.Internal.EnumLiteMap<EmbeddingTaskType>() {
+              public EmbeddingTaskType findValueByNumber(int number) {
+                return EmbeddingTaskType.forNumber(number);
+              }
+            };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.EmbedContentRequest.getDescriptor()
+          .getEnumTypes()
+          .get(0);
+    }
+
+    private static final EmbeddingTaskType[] VALUES = values();
+
+    public static EmbeddingTaskType valueOf(
+        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private EmbeddingTaskType(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.vertexai.v1.EmbedContentRequest.EmbeddingTaskType)
+  }
+
+  private int bitField0_;
+  public static final int MODEL_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object model_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the publisher model requested to serve the
+   * prediction. Format:
+   * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+   * </pre>
+   *
+   * <code>optional string model = 1 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return Whether the model field is set.
+   */
+  @java.lang.Override
+  public boolean hasModel() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the publisher model requested to serve the
+   * prediction. Format:
+   * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+   * </pre>
+   *
+   * <code>optional string model = 1 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The model.
+   */
+  @java.lang.Override
+  public java.lang.String getModel() {
+    java.lang.Object ref = model_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      model_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the publisher model requested to serve the
+   * prediction. Format:
+   * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+   * </pre>
+   *
+   * <code>optional string model = 1 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The bytes for model.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getModelBytes() {
+    java.lang.Object ref = model_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      model_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int CONTENT_FIELD_NUMBER = 2;
+  private com.google.cloud.vertexai.api.Content content_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Input content to be embedded. Required.
+   * </pre>
+   *
+   * <code>optional .google.cloud.vertexai.v1.Content content = 2;</code>
+   *
+   * @return Whether the content field is set.
+   */
+  @java.lang.Override
+  public boolean hasContent() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Input content to be embedded. Required.
+   * </pre>
+   *
+   * <code>optional .google.cloud.vertexai.v1.Content content = 2;</code>
+   *
+   * @return The content.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.Content getContent() {
+    return content_ == null ? com.google.cloud.vertexai.api.Content.getDefaultInstance() : content_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Input content to be embedded. Required.
+   * </pre>
+   *
+   * <code>optional .google.cloud.vertexai.v1.Content content = 2;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ContentOrBuilder getContentOrBuilder() {
+    return content_ == null ? com.google.cloud.vertexai.api.Content.getDefaultInstance() : content_;
+  }
+
+  public static final int TITLE_FIELD_NUMBER = 4;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object title_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. An optional title for the text.
+   * </pre>
+   *
+   * <code>optional string title = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the title field is set.
+   */
+  @java.lang.Override
+  public boolean hasTitle() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. An optional title for the text.
+   * </pre>
+   *
+   * <code>optional string title = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The title.
+   */
+  @java.lang.Override
+  public java.lang.String getTitle() {
+    java.lang.Object ref = title_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      title_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. An optional title for the text.
+   * </pre>
+   *
+   * <code>optional string title = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for title.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getTitleBytes() {
+    java.lang.Object ref = title_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      title_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int TASK_TYPE_FIELD_NUMBER = 5;
+  private int taskType_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The task type of the embedding.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.EmbedContentRequest.EmbeddingTaskType task_type = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the taskType field is set.
+   */
+  @java.lang.Override
+  public boolean hasTaskType() {
+    return ((bitField0_ & 0x00000008) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The task type of the embedding.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.EmbedContentRequest.EmbeddingTaskType task_type = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for taskType.
+   */
+  @java.lang.Override
+  public int getTaskTypeValue() {
+    return taskType_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The task type of the embedding.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.EmbedContentRequest.EmbeddingTaskType task_type = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The taskType.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.EmbedContentRequest.EmbeddingTaskType getTaskType() {
+    com.google.cloud.vertexai.api.EmbedContentRequest.EmbeddingTaskType result =
+        com.google.cloud.vertexai.api.EmbedContentRequest.EmbeddingTaskType.forNumber(taskType_);
+    return result == null
+        ? com.google.cloud.vertexai.api.EmbedContentRequest.EmbeddingTaskType.UNRECOGNIZED
+        : result;
+  }
+
+  public static final int OUTPUT_DIMENSIONALITY_FIELD_NUMBER = 6;
+  private int outputDimensionality_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Optional reduced dimension for the output embedding. If set,
+   * excessive values in the output embedding are truncated from the end.
+   * </pre>
+   *
+   * <code>optional int32 output_dimensionality = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the outputDimensionality field is set.
+   */
+  @java.lang.Override
+  public boolean hasOutputDimensionality() {
+    return ((bitField0_ & 0x00000010) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Optional reduced dimension for the output embedding. If set,
+   * excessive values in the output embedding are truncated from the end.
+   * </pre>
+   *
+   * <code>optional int32 output_dimensionality = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The outputDimensionality.
+   */
+  @java.lang.Override
+  public int getOutputDimensionality() {
+    return outputDimensionality_;
+  }
+
+  public static final int AUTO_TRUNCATE_FIELD_NUMBER = 7;
+  private boolean autoTruncate_ = false;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether to silently truncate the input content if it's longer
+   * than the maximum sequence length.
+   * </pre>
+   *
+   * <code>optional bool auto_truncate = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the autoTruncate field is set.
+   */
+  @java.lang.Override
+  public boolean hasAutoTruncate() {
+    return ((bitField0_ & 0x00000020) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether to silently truncate the input content if it's longer
+   * than the maximum sequence length.
+   * </pre>
+   *
+   * <code>optional bool auto_truncate = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The autoTruncate.
+   */
+  @java.lang.Override
+  public boolean getAutoTruncate() {
+    return autoTruncate_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, model_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(2, getContent());
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 4, title_);
+    }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      output.writeEnum(5, taskType_);
+    }
+    if (((bitField0_ & 0x00000010) != 0)) {
+      output.writeInt32(6, outputDimensionality_);
+    }
+    if (((bitField0_ & 0x00000020) != 0)) {
+      output.writeBool(7, autoTruncate_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, model_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getContent());
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(4, title_);
+    }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(5, taskType_);
+    }
+    if (((bitField0_ & 0x00000010) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeInt32Size(6, outputDimensionality_);
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+     * </pre>
+     *
+     * <code>optional .google.cloud.vertexai.v1.Content content = 2;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.Content,
+            com.google.cloud.vertexai.api.Content.Builder,
+            com.google.cloud.vertexai.api.ContentOrBuilder>
+        internalGetContentFieldBuilder() {
+      if (contentBuilder_ == null) {
+        contentBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.Content,
+                com.google.cloud.vertexai.api.Content.Builder,
+                com.google.cloud.vertexai.api.ContentOrBuilder>(
+                getContent(), getParentForChildren(), isClean());
+        content_ = null;
+      }
+      return contentBuilder_;
+    }
+
+    private java.lang.Object title_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional title for the text.
+     * </pre>
+     *
+     * <code>optional string title = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the title field is set.
+     */
+    public boolean hasTitle() {
+      return ((bitField0_ & 0x00000004) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional title for the text.
+     * </pre>
+     *
+     * <code>optional string title = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The title.
+     */
+    public java.lang.String getTitle() {
+      java.lang.Object ref = title_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        title_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional title for the text.
+     * </pre>
+     *
+     * <code>optional string title = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for title.
+     */
+    public com.google.protobuf.ByteString getTitleBytes() {
+      java.lang.Object ref = title_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        title_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional title for the text.
+     * </pre>
+     *
+     * <code>optional string title = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The title to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTitle(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      title_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional title for the text.
+     * </pre>
+     *
+     * <code>optional string title = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearTitle() {
+      title_ = getDefaultInstance().getTitle();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. An optional title for the text.
+     * </pre>
+     *
+     * <code>optional string title = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for title to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTitleBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      title_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    private int taskType_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The task type of the embedding.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.EmbedContentRequest.EmbeddingTaskType task_type = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the taskType field is set.
+     */
+    @java.lang.Override
+    public boolean hasTaskType() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The task type of the embedding.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.EmbedContentRequest.EmbeddingTaskType task_type = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for taskType.
+     */
+    @java.lang.Override
+    public int getTaskTypeValue() {
+      return taskType_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The task type of the embedding.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.EmbedContentRequest.EmbeddingTaskType task_type = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for taskType to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTaskTypeValue(int value) {
+      taskType_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The task type of the embedding.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.EmbedContentRequest.EmbeddingTaskType task_type = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The taskType.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.EmbedContentRequest.EmbeddingTaskType getTaskType() {
+      com.google.cloud.vertexai.api.EmbedContentRequest.EmbeddingTaskType result =
+          com.google.cloud.vertexai.api.EmbedContentRequest.EmbeddingTaskType.forNumber(taskType_);
+      return result == null
+          ? com.google.cloud.vertexai.api.EmbedContentRequest.EmbeddingTaskType.UNRECOGNIZED
+          : result;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The task type of the embedding.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.EmbedContentRequest.EmbeddingTaskType task_type = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The taskType to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTaskType(
+        com.google.cloud.vertexai.api.EmbedContentRequest.EmbeddingTaskType value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00000008;
+      taskType_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The task type of the embedding.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.EmbedContentRequest.EmbeddingTaskType task_type = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearTaskType() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      taskType_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private int outputDimensionality_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional reduced dimension for the output embedding. If set,
+     * excessive values in the output embedding are truncated from the end.
+     * </pre>
+     *
+     * <code>optional int32 output_dimensionality = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the outputDimensionality field is set.
+     */
+    @java.lang.Override
+    public boolean hasOutputDimensionality() {
+      return ((bitField0_ & 0x00000010) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional reduced dimension for the output embedding. If set,
+     * excessive values in the output embedding are truncated from the end.
+     * </pre>
+     *
+     * <code>optional int32 output_dimensionality = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The outputDimensionality.
+     */
+    @java.lang.Override
+    public int getOutputDimensionality() {
+      return outputDimensionality_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional reduced dimension for the output embedding. If set,
+     * excessive values in the output embedding are truncated from the end.
+     * </pre>
+     *
+     * <code>optional int32 output_dimensionality = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The outputDimensionality to set.
+     * @return This builder for chaining.
+     */
+    public Builder setOutputDimensionality(int value) {
+
+      outputDimensionality_ = value;
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Optional reduced dimension for the output embedding. If set,
+     * excessive values in the output embedding are truncated from the end.
+     * </pre>
+     *
+     * <code>optional int32 output_dimensionality = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearOutputDimensionality() {
+      bitField0_ = (bitField0_ & ~0x00000010);
+      outputDimensionality_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private boolean autoTruncate_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to silently truncate the input content if it's longer
+     * than the maximum sequence length.
+     * </pre>
+     *
+     * <code>optional bool auto_truncate = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the autoTruncate field is set.
+     */
+    @java.lang.Override
+    public boolean hasAutoTruncate() {
+      return ((bitField0_ & 0x00000020) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to silently truncate the input content if it's longer
+     * than the maximum sequence length.
+     * </pre>
+     *
+     * <code>optional bool auto_truncate = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The autoTruncate.
+     */
+    @java.lang.Override
+    public boolean getAutoTruncate() {
+      return autoTruncate_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to silently truncate the input content if it's longer
+     * than the maximum sequence length.
+     * </pre>
+     *
+     * <code>optional bool auto_truncate = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The autoTruncate to set.
+     * @return This builder for chaining.
+     */
+    public Builder setAutoTruncate(boolean value) {
+
+      autoTruncate_ = value;
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether to silently truncate the input content if it's longer
+     * than the maximum sequence length.
+     * </pre>
+     *
+     * <code>optional bool auto_truncate = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearAutoTruncate() {
+      bitField0_ = (bitField0_ & ~0x00000020);
+      autoTruncate_ = false;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.EmbedContentRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.EmbedContentRequest)
+  private static final com.google.cloud.vertexai.api.EmbedContentRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.EmbedContentRequest();
+  }
+
+  public static com.google.cloud.vertexai.api.EmbedContentRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<EmbedContentRequest> PARSER =
+      new com.google.protobuf.AbstractParser<EmbedContentRequest>() {
+        @java.lang.Override
+        public EmbedContentRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<EmbedContentRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<EmbedContentRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.EmbedContentRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EmbedContentRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EmbedContentRequestOrBuilder.java
new file mode 100644
index 000000000000..0e89d93e6a88
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EmbedContentRequestOrBuilder.java
@@ -0,0 +1,252 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface EmbedContentRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.EmbedContentRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the publisher model requested to serve the
+   * prediction. Format:
+   * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+   * </pre>
+   *
+   * <code>optional string model = 1 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return Whether the model field is set.
+   */
+  boolean hasModel();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the publisher model requested to serve the
+   * prediction. Format:
+   * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+   * </pre>
+   *
+   * <code>optional string model = 1 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The model.
+   */
+  java.lang.String getModel();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the publisher model requested to serve the
+   * prediction. Format:
+   * `projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;`
+   * </pre>
+   *
+   * <code>optional string model = 1 [(.google.api.resource_reference) = { ... }</code>
+   *
+   * @return The bytes for model.
+   */
+  com.google.protobuf.ByteString getModelBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Input content to be embedded. Required.
+   * </pre>
+   *
+   * <code>optional .google.cloud.vertexai.v1.Content content = 2;</code>
+   *
+   * @return Whether the content field is set.
+   */
+  boolean hasContent();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Input content to be embedded. Required.
+   * </pre>
+   *
+   * <code>optional .google.cloud.vertexai.v1.Content content = 2;</code>
+   *
+   * @return The content.
+   */
+  com.google.cloud.vertexai.api.Content getContent();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Input content to be embedded. Required.
+   * </pre>
+   *
+   * <code>optional .google.cloud.vertexai.v1.Content content = 2;</code>
+   */
+  com.google.cloud.vertexai.api.ContentOrBuilder getContentOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. An optional title for the text.
+   * </pre>
+   *
+   * <code>optional string title = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the title field is set.
+   */
+  boolean hasTitle();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. An optional title for the text.
+   * </pre>
+   *
+   * <code>optional string title = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The title.
+   */
+  java.lang.String getTitle();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. An optional title for the text.
+   * </pre>
+   *
+   * <code>optional string title = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for title.
+   */
+  com.google.protobuf.ByteString getTitleBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The task type of the embedding.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.EmbedContentRequest.EmbeddingTaskType task_type = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the taskType field is set.
+   */
+  boolean hasTaskType();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The task type of the embedding.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.EmbedContentRequest.EmbeddingTaskType task_type = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for taskType.
+   */
+  int getTaskTypeValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The task type of the embedding.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.EmbedContentRequest.EmbeddingTaskType task_type = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The taskType.
+   */
+  com.google.cloud.vertexai.api.EmbedContentRequest.EmbeddingTaskType getTaskType();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Optional reduced dimension for the output embedding. If set,
+   * excessive values in the output embedding are truncated from the end.
+   * </pre>
+   *
+   * <code>optional int32 output_dimensionality = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the outputDimensionality field is set.
+   */
+  boolean hasOutputDimensionality();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Optional reduced dimension for the output embedding. If set,
+   * excessive values in the output embedding are truncated from the end.
+   * </pre>
+   *
+   * <code>optional int32 output_dimensionality = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The outputDimensionality.
+   */
+  int getOutputDimensionality();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether to silently truncate the input content if it's longer
+   * than the maximum sequence length.
+   * </pre>
+   *
+   * <code>optional bool auto_truncate = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the autoTruncate field is set.
+   */
+  boolean hasAutoTruncate();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether to silently truncate the input content if it's longer
+   * than the maximum sequence length.
+   * </pre>
+   *
+   * <code>optional bool auto_truncate = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The autoTruncate.
+   */
+  boolean getAutoTruncate();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EmbedContentResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EmbedContentResponse.java
new file mode 100644
index 000000000000..1e6357d836f3
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EmbedContentResponse.java
@@ -0,0 +1,1784 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Response message for
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+     * Metadata about the response(s).
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.UsageMetadata usage_metadata = 2;</code>
+     *
+     * @return The usageMetadata.
+     */
+    public com.google.cloud.vertexai.api.UsageMetadata getUsageMetadata() {
+      if (usageMetadataBuilder_ == null) {
+        return usageMetadata_ == null
+            ? com.google.cloud.vertexai.api.UsageMetadata.getDefaultInstance()
+            : usageMetadata_;
+      } else {
+        return usageMetadataBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metadata about the response(s).
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.UsageMetadata usage_metadata = 2;</code>
+     */
+    public Builder setUsageMetadata(com.google.cloud.vertexai.api.UsageMetadata value) {
+      if (usageMetadataBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        usageMetadata_ = value;
+      } else {
+        usageMetadataBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metadata about the response(s).
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.UsageMetadata usage_metadata = 2;</code>
+     */
+    public Builder setUsageMetadata(
+        com.google.cloud.vertexai.api.UsageMetadata.Builder builderForValue) {
+      if (usageMetadataBuilder_ == null) {
+        usageMetadata_ = builderForValue.build();
+      } else {
+        usageMetadataBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metadata about the response(s).
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.UsageMetadata usage_metadata = 2;</code>
+     */
+    public Builder mergeUsageMetadata(com.google.cloud.vertexai.api.UsageMetadata value) {
+      if (usageMetadataBuilder_ == null) {
+        if (((bitField0_ & 0x00000002) != 0)
+            && usageMetadata_ != null
+            && usageMetadata_ != com.google.cloud.vertexai.api.UsageMetadata.getDefaultInstance()) {
+          getUsageMetadataBuilder().mergeFrom(value);
+        } else {
+          usageMetadata_ = value;
+        }
+      } else {
+        usageMetadataBuilder_.mergeFrom(value);
+      }
+      if (usageMetadata_ != null) {
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metadata about the response(s).
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.UsageMetadata usage_metadata = 2;</code>
+     */
+    public Builder clearUsageMetadata() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      usageMetadata_ = null;
+      if (usageMetadataBuilder_ != null) {
+        usageMetadataBuilder_.dispose();
+        usageMetadataBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metadata about the response(s).
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.UsageMetadata usage_metadata = 2;</code>
+     */
+    public com.google.cloud.vertexai.api.UsageMetadata.Builder getUsageMetadataBuilder() {
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return internalGetUsageMetadataFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metadata about the response(s).
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.UsageMetadata usage_metadata = 2;</code>
+     */
+    public com.google.cloud.vertexai.api.UsageMetadataOrBuilder getUsageMetadataOrBuilder() {
+      if (usageMetadataBuilder_ != null) {
+        return usageMetadataBuilder_.getMessageOrBuilder();
+      } else {
+        return usageMetadata_ == null
+            ? com.google.cloud.vertexai.api.UsageMetadata.getDefaultInstance()
+            : usageMetadata_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Metadata about the response(s).
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.UsageMetadata usage_metadata = 2;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.UsageMetadata,
+            com.google.cloud.vertexai.api.UsageMetadata.Builder,
+            com.google.cloud.vertexai.api.UsageMetadataOrBuilder>
+        internalGetUsageMetadataFieldBuilder() {
+      if (usageMetadataBuilder_ == null) {
+        usageMetadataBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.UsageMetadata,
+                com.google.cloud.vertexai.api.UsageMetadata.Builder,
+                com.google.cloud.vertexai.api.UsageMetadataOrBuilder>(
+                getUsageMetadata(), getParentForChildren(), isClean());
+        usageMetadata_ = null;
+      }
+      return usageMetadataBuilder_;
+    }
+
+    private boolean truncated_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Whether the input content was truncated before generating the embedding.
+     * </pre>
+     *
+     * <code>bool truncated = 4;</code>
+     *
+     * @return The truncated.
+     */
+    @java.lang.Override
+    public boolean getTruncated() {
+      return truncated_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Whether the input content was truncated before generating the embedding.
+     * </pre>
+     *
+     * <code>bool truncated = 4;</code>
+     *
+     * @param value The truncated to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTruncated(boolean value) {
+
+      truncated_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Whether the input content was truncated before generating the embedding.
+     * </pre>
+     *
+     * <code>bool truncated = 4;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearTruncated() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      truncated_ = false;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.EmbedContentResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.EmbedContentResponse)
+  private static final com.google.cloud.vertexai.api.EmbedContentResponse DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.EmbedContentResponse();
+  }
+
+  public static com.google.cloud.vertexai.api.EmbedContentResponse getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<EmbedContentResponse> PARSER =
+      new com.google.protobuf.AbstractParser<EmbedContentResponse>() {
+        @java.lang.Override
+        public EmbedContentResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<EmbedContentResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<EmbedContentResponse> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.EmbedContentResponse getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EmbedContentResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EmbedContentResponseOrBuilder.java
new file mode 100644
index 000000000000..9ba5901d6b62
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EmbedContentResponseOrBuilder.java
@@ -0,0 +1,115 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface EmbedContentResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.EmbedContentResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The embedding generated from the input content.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.EmbedContentResponse.Embedding embedding = 1;</code>
+   *
+   * @return Whether the embedding field is set.
+   */
+  boolean hasEmbedding();
+
+  /**
+   *
+   *
+   * <pre>
+   * The embedding generated from the input content.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.EmbedContentResponse.Embedding embedding = 1;</code>
+   *
+   * @return The embedding.
+   */
+  com.google.cloud.vertexai.api.EmbedContentResponse.Embedding getEmbedding();
+
+  /**
+   *
+   *
+   * <pre>
+   * The embedding generated from the input content.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.EmbedContentResponse.Embedding embedding = 1;</code>
+   */
+  com.google.cloud.vertexai.api.EmbedContentResponse.EmbeddingOrBuilder getEmbeddingOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Metadata about the response(s).
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.UsageMetadata usage_metadata = 2;</code>
+   *
+   * @return Whether the usageMetadata field is set.
+   */
+  boolean hasUsageMetadata();
+
+  /**
+   *
+   *
+   * <pre>
+   * Metadata about the response(s).
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.UsageMetadata usage_metadata = 2;</code>
+   *
+   * @return The usageMetadata.
+   */
+  com.google.cloud.vertexai.api.UsageMetadata getUsageMetadata();
+
+  /**
+   *
+   *
+   * <pre>
+   * Metadata about the response(s).
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.UsageMetadata usage_metadata = 2;</code>
+   */
+  com.google.cloud.vertexai.api.UsageMetadataOrBuilder getUsageMetadataOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Whether the input content was truncated before generating the embedding.
+   * </pre>
+   *
+   * <code>bool truncated = 4;</code>
+   *
+   * @return The truncated.
+   */
+  boolean getTruncated();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EncryptionSpec.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EncryptionSpec.java
index 425284de7dcf..5dadc4dd87f2 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EncryptionSpec.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EncryptionSpec.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/encryption_spec.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.EncryptionSpec}
  */
-public final class EncryptionSpec extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class EncryptionSpec extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.EncryptionSpec)
     EncryptionSpecOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "EncryptionSpec");
+  }
+
   // Use EncryptionSpec.newBuilder() to construct.
-  private EncryptionSpec(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private EncryptionSpec(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private EncryptionSpec() {
     kmsKeyName_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new EncryptionSpec();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EncryptionSpecProto
         .internal_static_google_cloud_vertexai_v1_EncryptionSpec_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EncryptionSpecProto
         .internal_static_google_cloud_vertexai_v1_EncryptionSpec_fieldAccessorTable
@@ -140,8 +146,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(kmsKeyName_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, kmsKeyName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(kmsKeyName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, kmsKeyName_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -152,8 +158,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(kmsKeyName_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, kmsKeyName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(kmsKeyName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, kmsKeyName_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -227,38 +233,38 @@ public static com.google.cloud.vertexai.api.EncryptionSpec parseFrom(
 
   public static com.google.cloud.vertexai.api.EncryptionSpec parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.EncryptionSpec parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.EncryptionSpec parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.EncryptionSpec parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.EncryptionSpec parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.EncryptionSpec parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -281,7 +287,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -296,7 +302,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.EncryptionSpec}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.EncryptionSpec)
       com.google.cloud.vertexai.api.EncryptionSpecOrBuilder {
@@ -306,7 +312,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EncryptionSpecProto
           .internal_static_google_cloud_vertexai_v1_EncryptionSpec_fieldAccessorTable
@@ -318,7 +324,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.EncryptionSpec.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -368,39 +374,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.EncryptionSpec result)
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.EncryptionSpec) {
@@ -600,17 +573,6 @@ public Builder setKmsKeyNameBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.EncryptionSpec)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EncryptionSpecOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EncryptionSpecOrBuilder.java
index a0aac5729a3c..240b3dba6c26 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EncryptionSpecOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EncryptionSpecOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/encryption_spec.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface EncryptionSpecOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.EncryptionSpec)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EncryptionSpecProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EncryptionSpecProto.java
index cad906f10ff3..7e5edf887be7 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EncryptionSpecProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EncryptionSpecProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/encryption_spec.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class EncryptionSpecProto {
+@com.google.protobuf.Generated
+public final class EncryptionSpecProto extends com.google.protobuf.GeneratedFile {
   private EncryptionSpecProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "EncryptionSpecProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,7 +42,7 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_EncryptionSpec_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_EncryptionSpec_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -59,19 +71,20 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.api.FieldBehaviorProto.getDescriptor(),
             });
     internal_static_google_cloud_vertexai_v1_EncryptionSpec_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+        getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_EncryptionSpec_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_EncryptionSpec_descriptor,
             new java.lang.String[] {
               "KmsKeyName",
             });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
-    com.google.api.FieldBehaviorProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Endpoint.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Endpoint.java
index ce31c2cc6a92..b77e2ea3befd 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Endpoint.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Endpoint.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Endpoint}
  */
-public final class Endpoint extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Endpoint extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Endpoint)
     EndpointOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Endpoint");
+  }
+
   // Use Endpoint.newBuilder() to construct.
-  private Endpoint(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Endpoint(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -51,12 +63,6 @@ private Endpoint() {
     dedicatedEndpointDns_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Endpoint();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointProto
         .internal_static_google_cloud_vertexai_v1_Endpoint_descriptor;
@@ -77,7 +83,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldRefl
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointProto
         .internal_static_google_cloud_vertexai_v1_Endpoint_fieldAccessorTable
@@ -1194,9 +1200,10 @@ public boolean getDedicatedEndpointEnabled() {
    *
    * <pre>
    * Output only. DNS of the dedicated endpoint. Will only be populated if
-   * dedicated_endpoint_enabled is true.
-   * Format:
-   * `https://{endpoint_id}.{region}-{project_number}.prediction.vertexai.goog`.
+   * dedicated_endpoint_enabled is true. Depending on the features enabled, uid
+   * might be a random number or a string. For example, if fast_tryout is
+   * enabled, uid will be fasttryout. Format:
+   * `https://{endpoint_id}.{region}-{uid}.prediction.vertexai.goog`.
    * </pre>
    *
    * <code>string dedicated_endpoint_dns = 25 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -1221,9 +1228,10 @@ public java.lang.String getDedicatedEndpointDns() {
    *
    * <pre>
    * Output only. DNS of the dedicated endpoint. Will only be populated if
-   * dedicated_endpoint_enabled is true.
-   * Format:
-   * `https://{endpoint_id}.{region}-{project_number}.prediction.vertexai.goog`.
+   * dedicated_endpoint_enabled is true. Depending on the features enabled, uid
+   * might be a random number or a string. For example, if fast_tryout is
+   * enabled, uid will be fasttryout. Format:
+   * `https://{endpoint_id}.{region}-{uid}.prediction.vertexai.goog`.
    * </pre>
    *
    * <code>string dedicated_endpoint_dns = 25 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -1335,6 +1343,92 @@ public boolean getSatisfiesPzi() {
     return satisfiesPzi_;
   }
 
+  public static final int GEN_AI_ADVANCED_FEATURES_CONFIG_FIELD_NUMBER = 29;
+  private com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig genAiAdvancedFeaturesConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+   * serving GenAI models, advanced features like native RAG integration can be
+   * configured. Currently, only Model Garden models are supported.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the genAiAdvancedFeaturesConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasGenAiAdvancedFeaturesConfig() {
+    return ((bitField0_ & 0x00000040) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+   * serving GenAI models, advanced features like native RAG integration can be
+   * configured. Currently, only Model Garden models are supported.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The genAiAdvancedFeaturesConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig
+      getGenAiAdvancedFeaturesConfig() {
+    return genAiAdvancedFeaturesConfig_ == null
+        ? com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.getDefaultInstance()
+        : genAiAdvancedFeaturesConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+   * serving GenAI models, advanced features like native RAG integration can be
+   * configured. Currently, only Model Garden models are supported.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfigOrBuilder
+      getGenAiAdvancedFeaturesConfigOrBuilder() {
+    return genAiAdvancedFeaturesConfig_ == null
+        ? com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.getDefaultInstance()
+        : genAiAdvancedFeaturesConfig_;
+  }
+
+  public static final int PRIVATE_MODEL_SERVER_ENABLED_FIELD_NUMBER = 30;
+  private boolean privateModelServerEnabled_ = false;
+
+  /**
+   *
+   *
+   * <pre>
+   * If true, the model server will be isolated from the external internet.
+   * </pre>
+   *
+   * <code>bool private_model_server_enabled = 30;</code>
+   *
+   * @return The privateModelServerEnabled.
+   */
+  @java.lang.Override
+  public boolean getPrivateModelServerEnabled() {
+    return privateModelServerEnabled_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -1349,24 +1443,24 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(displayName_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, displayName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(displayName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, displayName_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(description_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, description_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(description_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, description_);
     }
     for (int i = 0; i < deployedModels_.size(); i++) {
       output.writeMessage(4, deployedModels_.get(i));
     }
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
+    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
         output, internalGetTrafficSplit(), TrafficSplitDefaultEntryHolder.defaultEntry, 5);
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(etag_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 6, etag_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(etag_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 6, etag_);
     }
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
+    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
         output, internalGetLabels(), LabelsDefaultEntryHolder.defaultEntry, 7);
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(8, getCreateTime());
@@ -1377,11 +1471,11 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000004) != 0)) {
       output.writeMessage(10, getEncryptionSpec());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(network_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 13, network_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(network_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 13, network_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(modelDeploymentMonitoringJob_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 14, modelDeploymentMonitoringJob_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modelDeploymentMonitoringJob_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 14, modelDeploymentMonitoringJob_);
     }
     if (enablePrivateServiceConnect_ != false) {
       output.writeBool(17, enablePrivateServiceConnect_);
@@ -1398,8 +1492,8 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (dedicatedEndpointEnabled_ != false) {
       output.writeBool(24, dedicatedEndpointEnabled_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(dedicatedEndpointDns_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 25, dedicatedEndpointDns_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(dedicatedEndpointDns_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 25, dedicatedEndpointDns_);
     }
     if (satisfiesPzs_ != false) {
       output.writeBool(27, satisfiesPzs_);
@@ -1407,6 +1501,12 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (satisfiesPzi_ != false) {
       output.writeBool(28, satisfiesPzi_);
     }
+    if (((bitField0_ & 0x00000040) != 0)) {
+      output.writeMessage(29, getGenAiAdvancedFeaturesConfig());
+    }
+    if (privateModelServerEnabled_ != false) {
+      output.writeBool(30, privateModelServerEnabled_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -1416,14 +1516,14 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(displayName_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, displayName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(displayName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, displayName_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(description_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, description_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(description_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, description_);
     }
     for (int i = 0; i < deployedModels_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, deployedModels_.get(i));
@@ -1438,8 +1538,8 @@ public int getSerializedSize() {
               .build();
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(5, trafficSplit__);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(etag_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(6, etag_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(etag_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(6, etag_);
     }
     for (java.util.Map.Entry<java.lang.String, java.lang.String> entry :
         internalGetLabels().getMap().entrySet()) {
@@ -1460,13 +1560,12 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000004) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(10, getEncryptionSpec());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(network_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(13, network_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(network_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(13, network_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(modelDeploymentMonitoringJob_)) {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modelDeploymentMonitoringJob_)) {
       size +=
-          com.google.protobuf.GeneratedMessageV3.computeStringSize(
-              14, modelDeploymentMonitoringJob_);
+          com.google.protobuf.GeneratedMessage.computeStringSize(14, modelDeploymentMonitoringJob_);
     }
     if (enablePrivateServiceConnect_ != false) {
       size +=
@@ -1489,8 +1588,8 @@ public int getSerializedSize() {
     if (dedicatedEndpointEnabled_ != false) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(24, dedicatedEndpointEnabled_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(dedicatedEndpointDns_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(25, dedicatedEndpointDns_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(dedicatedEndpointDns_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(25, dedicatedEndpointDns_);
     }
     if (satisfiesPzs_ != false) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(27, satisfiesPzs_);
@@ -1498,6 +1597,14 @@ public int getSerializedSize() {
     if (satisfiesPzi_ != false) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(28, satisfiesPzi_);
     }
+    if (((bitField0_ & 0x00000040) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              29, getGenAiAdvancedFeaturesConfig());
+    }
+    if (privateModelServerEnabled_ != false) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(30, privateModelServerEnabled_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -1555,6 +1662,12 @@ public boolean equals(final java.lang.Object obj) {
     }
     if (getSatisfiesPzs() != other.getSatisfiesPzs()) return false;
     if (getSatisfiesPzi() != other.getSatisfiesPzi()) return false;
+    if (hasGenAiAdvancedFeaturesConfig() != other.hasGenAiAdvancedFeaturesConfig()) return false;
+    if (hasGenAiAdvancedFeaturesConfig()) {
+      if (!getGenAiAdvancedFeaturesConfig().equals(other.getGenAiAdvancedFeaturesConfig()))
+        return false;
+    }
+    if (getPrivateModelServerEnabled() != other.getPrivateModelServerEnabled()) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -1624,6 +1737,12 @@ public int hashCode() {
     hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getSatisfiesPzs());
     hash = (37 * hash) + SATISFIES_PZI_FIELD_NUMBER;
     hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getSatisfiesPzi());
+    if (hasGenAiAdvancedFeaturesConfig()) {
+      hash = (37 * hash) + GEN_AI_ADVANCED_FEATURES_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getGenAiAdvancedFeaturesConfig().hashCode();
+    }
+    hash = (37 * hash) + PRIVATE_MODEL_SERVER_ENABLED_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getPrivateModelServerEnabled());
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -1666,38 +1785,38 @@ public static com.google.cloud.vertexai.api.Endpoint parseFrom(
 
   public static com.google.cloud.vertexai.api.Endpoint parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Endpoint parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Endpoint parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Endpoint parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Endpoint parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Endpoint parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -1720,7 +1839,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -1735,7 +1854,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Endpoint}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Endpoint)
       com.google.cloud.vertexai.api.EndpointOrBuilder {
@@ -1771,7 +1890,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFi
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointProto
           .internal_static_google_cloud_vertexai_v1_Endpoint_fieldAccessorTable
@@ -1785,20 +1904,21 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getDeployedModelsFieldBuilder();
-        getCreateTimeFieldBuilder();
-        getUpdateTimeFieldBuilder();
-        getEncryptionSpecFieldBuilder();
-        getPrivateServiceConnectConfigFieldBuilder();
-        getPredictRequestResponseLoggingConfigFieldBuilder();
-        getClientConnectionConfigFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetDeployedModelsFieldBuilder();
+        internalGetCreateTimeFieldBuilder();
+        internalGetUpdateTimeFieldBuilder();
+        internalGetEncryptionSpecFieldBuilder();
+        internalGetPrivateServiceConnectConfigFieldBuilder();
+        internalGetPredictRequestResponseLoggingConfigFieldBuilder();
+        internalGetClientConnectionConfigFieldBuilder();
+        internalGetGenAiAdvancedFeaturesConfigFieldBuilder();
       }
     }
 
@@ -1856,6 +1976,12 @@ public Builder clear() {
       }
       satisfiesPzs_ = false;
       satisfiesPzi_ = false;
+      genAiAdvancedFeaturesConfig_ = null;
+      if (genAiAdvancedFeaturesConfigBuilder_ != null) {
+        genAiAdvancedFeaturesConfigBuilder_.dispose();
+        genAiAdvancedFeaturesConfigBuilder_ = null;
+      }
+      privateModelServerEnabled_ = false;
       return this;
     }
 
@@ -1981,42 +2107,19 @@ private void buildPartial0(com.google.cloud.vertexai.api.Endpoint result) {
       if (((from_bitField0_ & 0x00080000) != 0)) {
         result.satisfiesPzi_ = satisfiesPzi_;
       }
+      if (((from_bitField0_ & 0x00100000) != 0)) {
+        result.genAiAdvancedFeaturesConfig_ =
+            genAiAdvancedFeaturesConfigBuilder_ == null
+                ? genAiAdvancedFeaturesConfig_
+                : genAiAdvancedFeaturesConfigBuilder_.build();
+        to_bitField0_ |= 0x00000040;
+      }
+      if (((from_bitField0_ & 0x00200000) != 0)) {
+        result.privateModelServerEnabled_ = privateModelServerEnabled_;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Endpoint) {
@@ -2063,8 +2166,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Endpoint other) {
             deployedModels_ = other.deployedModels_;
             bitField0_ = (bitField0_ & ~0x00000008);
             deployedModelsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getDeployedModelsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetDeployedModelsFieldBuilder()
                     : null;
           } else {
             deployedModelsBuilder_.addAllMessages(other.deployedModels_);
@@ -2125,6 +2228,12 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Endpoint other) {
       if (other.getSatisfiesPzi() != false) {
         setSatisfiesPzi(other.getSatisfiesPzi());
       }
+      if (other.hasGenAiAdvancedFeaturesConfig()) {
+        mergeGenAiAdvancedFeaturesConfig(other.getGenAiAdvancedFeaturesConfig());
+      }
+      if (other.getPrivateModelServerEnabled() != false) {
+        setPrivateModelServerEnabled(other.getPrivateModelServerEnabled());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -2214,19 +2323,22 @@ public Builder mergeFrom(
               } // case 58
             case 66:
               {
-                input.readMessage(getCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000080;
                 break;
               } // case 66
             case 74:
               {
-                input.readMessage(getUpdateTimeFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetUpdateTimeFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000100;
                 break;
               } // case 74
             case 82:
               {
-                input.readMessage(getEncryptionSpecFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetEncryptionSpecFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000200;
                 break;
               } // case 82
@@ -2251,7 +2363,7 @@ public Builder mergeFrom(
             case 146:
               {
                 input.readMessage(
-                    getPredictRequestResponseLoggingConfigFieldBuilder().getBuilder(),
+                    internalGetPredictRequestResponseLoggingConfigFieldBuilder().getBuilder(),
                     extensionRegistry);
                 bitField0_ |= 0x00004000;
                 break;
@@ -2259,14 +2371,16 @@ public Builder mergeFrom(
             case 170:
               {
                 input.readMessage(
-                    getPrivateServiceConnectConfigFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetPrivateServiceConnectConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
                 bitField0_ |= 0x00001000;
                 break;
               } // case 170
             case 186:
               {
                 input.readMessage(
-                    getClientConnectionConfigFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetClientConnectionConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
                 bitField0_ |= 0x00020000;
                 break;
               } // case 186
@@ -2294,6 +2408,20 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00080000;
                 break;
               } // case 224
+            case 234:
+              {
+                input.readMessage(
+                    internalGetGenAiAdvancedFeaturesConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                bitField0_ |= 0x00100000;
+                break;
+              } // case 234
+            case 240:
+              {
+                privateModelServerEnabled_ = input.readBool();
+                bitField0_ |= 0x00200000;
+                break;
+              } // case 240
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -2667,7 +2795,7 @@ private void ensureDeployedModelsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.DeployedModel,
             com.google.cloud.vertexai.api.DeployedModel.Builder,
             com.google.cloud.vertexai.api.DeployedModelOrBuilder>
@@ -3018,7 +3146,7 @@ public Builder removeDeployedModels(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.DeployedModel.Builder getDeployedModelsBuilder(int index) {
-      return getDeployedModelsFieldBuilder().getBuilder(index);
+      return internalGetDeployedModelsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -3088,7 +3216,7 @@ public com.google.cloud.vertexai.api.DeployedModelOrBuilder getDeployedModelsOrB
      * </code>
      */
     public com.google.cloud.vertexai.api.DeployedModel.Builder addDeployedModelsBuilder() {
-      return getDeployedModelsFieldBuilder()
+      return internalGetDeployedModelsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.DeployedModel.getDefaultInstance());
     }
 
@@ -3109,7 +3237,7 @@ public com.google.cloud.vertexai.api.DeployedModel.Builder addDeployedModelsBuil
      * </code>
      */
     public com.google.cloud.vertexai.api.DeployedModel.Builder addDeployedModelsBuilder(int index) {
-      return getDeployedModelsFieldBuilder()
+      return internalGetDeployedModelsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.DeployedModel.getDefaultInstance());
     }
 
@@ -3131,17 +3259,17 @@ public com.google.cloud.vertexai.api.DeployedModel.Builder addDeployedModelsBuil
      */
     public java.util.List<com.google.cloud.vertexai.api.DeployedModel.Builder>
         getDeployedModelsBuilderList() {
-      return getDeployedModelsFieldBuilder().getBuilderList();
+      return internalGetDeployedModelsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.DeployedModel,
             com.google.cloud.vertexai.api.DeployedModel.Builder,
             com.google.cloud.vertexai.api.DeployedModelOrBuilder>
-        getDeployedModelsFieldBuilder() {
+        internalGetDeployedModelsFieldBuilder() {
       if (deployedModelsBuilder_ == null) {
         deployedModelsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.DeployedModel,
                 com.google.cloud.vertexai.api.DeployedModel.Builder,
                 com.google.cloud.vertexai.api.DeployedModelOrBuilder>(
@@ -3704,7 +3832,7 @@ public Builder putAllLabels(java.util.Map<java.lang.String, java.lang.String> va
     }
 
     private com.google.protobuf.Timestamp createTime_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
@@ -3863,7 +3991,7 @@ public Builder clearCreateTime() {
     public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
       bitField0_ |= 0x00000080;
       onChanged();
-      return getCreateTimeFieldBuilder().getBuilder();
+      return internalGetCreateTimeFieldBuilder().getBuilder();
     }
 
     /**
@@ -3898,14 +4026,14 @@ public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
      * .google.protobuf.Timestamp create_time = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
-        getCreateTimeFieldBuilder() {
+        internalGetCreateTimeFieldBuilder() {
       if (createTimeBuilder_ == null) {
         createTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Timestamp,
                 com.google.protobuf.Timestamp.Builder,
                 com.google.protobuf.TimestampOrBuilder>(
@@ -3916,7 +4044,7 @@ public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
     }
 
     private com.google.protobuf.Timestamp updateTime_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
@@ -4075,7 +4203,7 @@ public Builder clearUpdateTime() {
     public com.google.protobuf.Timestamp.Builder getUpdateTimeBuilder() {
       bitField0_ |= 0x00000100;
       onChanged();
-      return getUpdateTimeFieldBuilder().getBuilder();
+      return internalGetUpdateTimeFieldBuilder().getBuilder();
     }
 
     /**
@@ -4110,14 +4238,14 @@ public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
      * .google.protobuf.Timestamp update_time = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
-        getUpdateTimeFieldBuilder() {
+        internalGetUpdateTimeFieldBuilder() {
       if (updateTimeBuilder_ == null) {
         updateTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Timestamp,
                 com.google.protobuf.Timestamp.Builder,
                 com.google.protobuf.TimestampOrBuilder>(
@@ -4128,7 +4256,7 @@ public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
     }
 
     private com.google.cloud.vertexai.api.EncryptionSpec encryptionSpec_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.EncryptionSpec,
             com.google.cloud.vertexai.api.EncryptionSpec.Builder,
             com.google.cloud.vertexai.api.EncryptionSpecOrBuilder>
@@ -4289,7 +4417,7 @@ public Builder clearEncryptionSpec() {
     public com.google.cloud.vertexai.api.EncryptionSpec.Builder getEncryptionSpecBuilder() {
       bitField0_ |= 0x00000200;
       onChanged();
-      return getEncryptionSpecFieldBuilder().getBuilder();
+      return internalGetEncryptionSpecFieldBuilder().getBuilder();
     }
 
     /**
@@ -4324,14 +4452,14 @@ public com.google.cloud.vertexai.api.EncryptionSpecOrBuilder getEncryptionSpecOr
      *
      * <code>.google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 10;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.EncryptionSpec,
             com.google.cloud.vertexai.api.EncryptionSpec.Builder,
             com.google.cloud.vertexai.api.EncryptionSpecOrBuilder>
-        getEncryptionSpecFieldBuilder() {
+        internalGetEncryptionSpecFieldBuilder() {
       if (encryptionSpecBuilder_ == null) {
         encryptionSpecBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.EncryptionSpec,
                 com.google.cloud.vertexai.api.EncryptionSpec.Builder,
                 com.google.cloud.vertexai.api.EncryptionSpecOrBuilder>(
@@ -4618,7 +4746,7 @@ public Builder clearEnablePrivateServiceConnect() {
     }
 
     private com.google.cloud.vertexai.api.PrivateServiceConnectConfig privateServiceConnectConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.PrivateServiceConnectConfig,
             com.google.cloud.vertexai.api.PrivateServiceConnectConfig.Builder,
             com.google.cloud.vertexai.api.PrivateServiceConnectConfigOrBuilder>
@@ -4811,7 +4939,7 @@ public Builder clearPrivateServiceConnectConfig() {
         getPrivateServiceConnectConfigBuilder() {
       bitField0_ |= 0x00001000;
       onChanged();
-      return getPrivateServiceConnectConfigFieldBuilder().getBuilder();
+      return internalGetPrivateServiceConnectConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -4855,14 +4983,14 @@ public Builder clearPrivateServiceConnectConfig() {
      * .google.cloud.vertexai.v1.PrivateServiceConnectConfig private_service_connect_config = 21 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.PrivateServiceConnectConfig,
             com.google.cloud.vertexai.api.PrivateServiceConnectConfig.Builder,
             com.google.cloud.vertexai.api.PrivateServiceConnectConfigOrBuilder>
-        getPrivateServiceConnectConfigFieldBuilder() {
+        internalGetPrivateServiceConnectConfigFieldBuilder() {
       if (privateServiceConnectConfigBuilder_ == null) {
         privateServiceConnectConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.PrivateServiceConnectConfig,
                 com.google.cloud.vertexai.api.PrivateServiceConnectConfig.Builder,
                 com.google.cloud.vertexai.api.PrivateServiceConnectConfigOrBuilder>(
@@ -5015,7 +5143,7 @@ public Builder setModelDeploymentMonitoringJobBytes(com.google.protobuf.ByteStri
 
     private com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig
         predictRequestResponseLoggingConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig,
             com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig.Builder,
             com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfigOrBuilder>
@@ -5181,7 +5309,7 @@ public Builder clearPredictRequestResponseLoggingConfig() {
         getPredictRequestResponseLoggingConfigBuilder() {
       bitField0_ |= 0x00004000;
       onChanged();
-      return getPredictRequestResponseLoggingConfigFieldBuilder().getBuilder();
+      return internalGetPredictRequestResponseLoggingConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -5217,14 +5345,14 @@ public Builder clearPredictRequestResponseLoggingConfig() {
      * .google.cloud.vertexai.v1.PredictRequestResponseLoggingConfig predict_request_response_logging_config = 18;
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig,
             com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig.Builder,
             com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfigOrBuilder>
-        getPredictRequestResponseLoggingConfigFieldBuilder() {
+        internalGetPredictRequestResponseLoggingConfigFieldBuilder() {
       if (predictRequestResponseLoggingConfigBuilder_ == null) {
         predictRequestResponseLoggingConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig,
                 com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig.Builder,
                 com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfigOrBuilder>(
@@ -5315,9 +5443,10 @@ public Builder clearDedicatedEndpointEnabled() {
      *
      * <pre>
      * Output only. DNS of the dedicated endpoint. Will only be populated if
-     * dedicated_endpoint_enabled is true.
-     * Format:
-     * `https://{endpoint_id}.{region}-{project_number}.prediction.vertexai.goog`.
+     * dedicated_endpoint_enabled is true. Depending on the features enabled, uid
+     * might be a random number or a string. For example, if fast_tryout is
+     * enabled, uid will be fasttryout. Format:
+     * `https://{endpoint_id}.{region}-{uid}.prediction.vertexai.goog`.
      * </pre>
      *
      * <code>string dedicated_endpoint_dns = 25 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -5341,9 +5470,10 @@ public java.lang.String getDedicatedEndpointDns() {
      *
      * <pre>
      * Output only. DNS of the dedicated endpoint. Will only be populated if
-     * dedicated_endpoint_enabled is true.
-     * Format:
-     * `https://{endpoint_id}.{region}-{project_number}.prediction.vertexai.goog`.
+     * dedicated_endpoint_enabled is true. Depending on the features enabled, uid
+     * might be a random number or a string. For example, if fast_tryout is
+     * enabled, uid will be fasttryout. Format:
+     * `https://{endpoint_id}.{region}-{uid}.prediction.vertexai.goog`.
      * </pre>
      *
      * <code>string dedicated_endpoint_dns = 25 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -5367,9 +5497,10 @@ public com.google.protobuf.ByteString getDedicatedEndpointDnsBytes() {
      *
      * <pre>
      * Output only. DNS of the dedicated endpoint. Will only be populated if
-     * dedicated_endpoint_enabled is true.
-     * Format:
-     * `https://{endpoint_id}.{region}-{project_number}.prediction.vertexai.goog`.
+     * dedicated_endpoint_enabled is true. Depending on the features enabled, uid
+     * might be a random number or a string. For example, if fast_tryout is
+     * enabled, uid will be fasttryout. Format:
+     * `https://{endpoint_id}.{region}-{uid}.prediction.vertexai.goog`.
      * </pre>
      *
      * <code>string dedicated_endpoint_dns = 25 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -5392,9 +5523,10 @@ public Builder setDedicatedEndpointDns(java.lang.String value) {
      *
      * <pre>
      * Output only. DNS of the dedicated endpoint. Will only be populated if
-     * dedicated_endpoint_enabled is true.
-     * Format:
-     * `https://{endpoint_id}.{region}-{project_number}.prediction.vertexai.goog`.
+     * dedicated_endpoint_enabled is true. Depending on the features enabled, uid
+     * might be a random number or a string. For example, if fast_tryout is
+     * enabled, uid will be fasttryout. Format:
+     * `https://{endpoint_id}.{region}-{uid}.prediction.vertexai.goog`.
      * </pre>
      *
      * <code>string dedicated_endpoint_dns = 25 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -5413,9 +5545,10 @@ public Builder clearDedicatedEndpointDns() {
      *
      * <pre>
      * Output only. DNS of the dedicated endpoint. Will only be populated if
-     * dedicated_endpoint_enabled is true.
-     * Format:
-     * `https://{endpoint_id}.{region}-{project_number}.prediction.vertexai.goog`.
+     * dedicated_endpoint_enabled is true. Depending on the features enabled, uid
+     * might be a random number or a string. For example, if fast_tryout is
+     * enabled, uid will be fasttryout. Format:
+     * `https://{endpoint_id}.{region}-{uid}.prediction.vertexai.goog`.
      * </pre>
      *
      * <code>string dedicated_endpoint_dns = 25 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -5435,7 +5568,7 @@ public Builder setDedicatedEndpointDnsBytes(com.google.protobuf.ByteString value
     }
 
     private com.google.cloud.vertexai.api.ClientConnectionConfig clientConnectionConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ClientConnectionConfig,
             com.google.cloud.vertexai.api.ClientConnectionConfig.Builder,
             com.google.cloud.vertexai.api.ClientConnectionConfigOrBuilder>
@@ -5585,7 +5718,7 @@ public Builder clearClientConnectionConfig() {
         getClientConnectionConfigBuilder() {
       bitField0_ |= 0x00020000;
       onChanged();
-      return getClientConnectionConfigFieldBuilder().getBuilder();
+      return internalGetClientConnectionConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -5617,14 +5750,14 @@ public Builder clearClientConnectionConfig() {
      *
      * <code>.google.cloud.vertexai.v1.ClientConnectionConfig client_connection_config = 23;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ClientConnectionConfig,
             com.google.cloud.vertexai.api.ClientConnectionConfig.Builder,
             com.google.cloud.vertexai.api.ClientConnectionConfigOrBuilder>
-        getClientConnectionConfigFieldBuilder() {
+        internalGetClientConnectionConfigFieldBuilder() {
       if (clientConnectionConfigBuilder_ == null) {
         clientConnectionConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.ClientConnectionConfig,
                 com.google.cloud.vertexai.api.ClientConnectionConfig.Builder,
                 com.google.cloud.vertexai.api.ClientConnectionConfigOrBuilder>(
@@ -5746,15 +5879,297 @@ public Builder clearSatisfiesPzi() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    private com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig genAiAdvancedFeaturesConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig,
+            com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.Builder,
+            com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfigOrBuilder>
+        genAiAdvancedFeaturesConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+     * serving GenAI models, advanced features like native RAG integration can be
+     * configured. Currently, only Model Garden models are supported.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the genAiAdvancedFeaturesConfig field is set.
+     */
+    public boolean hasGenAiAdvancedFeaturesConfig() {
+      return ((bitField0_ & 0x00100000) != 0);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+     * serving GenAI models, advanced features like native RAG integration can be
+     * configured. Currently, only Model Garden models are supported.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The genAiAdvancedFeaturesConfig.
+     */
+    public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig
+        getGenAiAdvancedFeaturesConfig() {
+      if (genAiAdvancedFeaturesConfigBuilder_ == null) {
+        return genAiAdvancedFeaturesConfig_ == null
+            ? com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.getDefaultInstance()
+            : genAiAdvancedFeaturesConfig_;
+      } else {
+        return genAiAdvancedFeaturesConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+     * serving GenAI models, advanced features like native RAG integration can be
+     * configured. Currently, only Model Garden models are supported.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setGenAiAdvancedFeaturesConfig(
+        com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig value) {
+      if (genAiAdvancedFeaturesConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        genAiAdvancedFeaturesConfig_ = value;
+      } else {
+        genAiAdvancedFeaturesConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00100000;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+     * serving GenAI models, advanced features like native RAG integration can be
+     * configured. Currently, only Model Garden models are supported.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setGenAiAdvancedFeaturesConfig(
+        com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.Builder builderForValue) {
+      if (genAiAdvancedFeaturesConfigBuilder_ == null) {
+        genAiAdvancedFeaturesConfig_ = builderForValue.build();
+      } else {
+        genAiAdvancedFeaturesConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00100000;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+     * serving GenAI models, advanced features like native RAG integration can be
+     * configured. Currently, only Model Garden models are supported.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeGenAiAdvancedFeaturesConfig(
+        com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig value) {
+      if (genAiAdvancedFeaturesConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00100000) != 0)
+            && genAiAdvancedFeaturesConfig_ != null
+            && genAiAdvancedFeaturesConfig_
+                != com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.getDefaultInstance()) {
+          getGenAiAdvancedFeaturesConfigBuilder().mergeFrom(value);
+        } else {
+          genAiAdvancedFeaturesConfig_ = value;
+        }
+      } else {
+        genAiAdvancedFeaturesConfigBuilder_.mergeFrom(value);
+      }
+      if (genAiAdvancedFeaturesConfig_ != null) {
+        bitField0_ |= 0x00100000;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+     * serving GenAI models, advanced features like native RAG integration can be
+     * configured. Currently, only Model Garden models are supported.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearGenAiAdvancedFeaturesConfig() {
+      bitField0_ = (bitField0_ & ~0x00100000);
+      genAiAdvancedFeaturesConfig_ = null;
+      if (genAiAdvancedFeaturesConfigBuilder_ != null) {
+        genAiAdvancedFeaturesConfigBuilder_.dispose();
+        genAiAdvancedFeaturesConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+     * serving GenAI models, advanced features like native RAG integration can be
+     * configured. Currently, only Model Garden models are supported.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.Builder
+        getGenAiAdvancedFeaturesConfigBuilder() {
+      bitField0_ |= 0x00100000;
+      onChanged();
+      return internalGetGenAiAdvancedFeaturesConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+     * serving GenAI models, advanced features like native RAG integration can be
+     * configured. Currently, only Model Garden models are supported.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfigOrBuilder
+        getGenAiAdvancedFeaturesConfigOrBuilder() {
+      if (genAiAdvancedFeaturesConfigBuilder_ != null) {
+        return genAiAdvancedFeaturesConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return genAiAdvancedFeaturesConfig_ == null
+            ? com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.getDefaultInstance()
+            : genAiAdvancedFeaturesConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+     * serving GenAI models, advanced features like native RAG integration can be
+     * configured. Currently, only Model Garden models are supported.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig,
+            com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.Builder,
+            com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfigOrBuilder>
+        internalGetGenAiAdvancedFeaturesConfigFieldBuilder() {
+      if (genAiAdvancedFeaturesConfigBuilder_ == null) {
+        genAiAdvancedFeaturesConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig,
+                com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.Builder,
+                com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfigOrBuilder>(
+                getGenAiAdvancedFeaturesConfig(), getParentForChildren(), isClean());
+        genAiAdvancedFeaturesConfig_ = null;
+      }
+      return genAiAdvancedFeaturesConfigBuilder_;
+    }
+
+    private boolean privateModelServerEnabled_;
+
+    /**
+     *
+     *
+     * <pre>
+     * If true, the model server will be isolated from the external internet.
+     * </pre>
+     *
+     * <code>bool private_model_server_enabled = 30;</code>
+     *
+     * @return The privateModelServerEnabled.
+     */
     @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    public boolean getPrivateModelServerEnabled() {
+      return privateModelServerEnabled_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * If true, the model server will be isolated from the external internet.
+     * </pre>
+     *
+     * <code>bool private_model_server_enabled = 30;</code>
+     *
+     * @param value The privateModelServerEnabled to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPrivateModelServerEnabled(boolean value) {
+
+      privateModelServerEnabled_ = value;
+      bitField0_ |= 0x00200000;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * If true, the model server will be isolated from the external internet.
+     * </pre>
+     *
+     * <code>bool private_model_server_enabled = 30;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearPrivateModelServerEnabled() {
+      bitField0_ = (bitField0_ & ~0x00200000);
+      privateModelServerEnabled_ = false;
+      onChanged();
+      return this;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Endpoint)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointName.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointName.java
index 39b8a02c33b5..f290f00e7f47 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointName.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointName.java
@@ -310,7 +310,8 @@ public Builder setEndpoint(String endpoint) {
     private Builder(EndpointName endpointName) {
       Preconditions.checkArgument(
           Objects.equals(endpointName.pathTemplate, PROJECT_LOCATION_ENDPOINT),
-          "toBuilder is only supported when EndpointName has the pattern of projects/{project}/locations/{location}/endpoints/{endpoint}");
+          "toBuilder is only supported when EndpointName has the pattern of"
+              + " projects/{project}/locations/{location}/endpoints/{endpoint}");
       this.project = endpointName.project;
       this.location = endpointName.location;
       this.endpoint = endpointName.endpoint;
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointOrBuilder.java
index ac4aec6f8f91..f02f366533e9 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface EndpointOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Endpoint)
@@ -779,9 +781,10 @@ java.lang.String getLabelsOrDefault(
    *
    * <pre>
    * Output only. DNS of the dedicated endpoint. Will only be populated if
-   * dedicated_endpoint_enabled is true.
-   * Format:
-   * `https://{endpoint_id}.{region}-{project_number}.prediction.vertexai.goog`.
+   * dedicated_endpoint_enabled is true. Depending on the features enabled, uid
+   * might be a random number or a string. For example, if fast_tryout is
+   * enabled, uid will be fasttryout. Format:
+   * `https://{endpoint_id}.{region}-{uid}.prediction.vertexai.goog`.
    * </pre>
    *
    * <code>string dedicated_endpoint_dns = 25 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -795,9 +798,10 @@ java.lang.String getLabelsOrDefault(
    *
    * <pre>
    * Output only. DNS of the dedicated endpoint. Will only be populated if
-   * dedicated_endpoint_enabled is true.
-   * Format:
-   * `https://{endpoint_id}.{region}-{project_number}.prediction.vertexai.goog`.
+   * dedicated_endpoint_enabled is true. Depending on the features enabled, uid
+   * might be a random number or a string. For example, if fast_tryout is
+   * enabled, uid will be fasttryout. Format:
+   * `https://{endpoint_id}.{region}-{uid}.prediction.vertexai.goog`.
    * </pre>
    *
    * <code>string dedicated_endpoint_dns = 25 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
@@ -869,4 +873,67 @@ java.lang.String getLabelsOrDefault(
    * @return The satisfiesPzi.
    */
   boolean getSatisfiesPzi();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+   * serving GenAI models, advanced features like native RAG integration can be
+   * configured. Currently, only Model Garden models are supported.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the genAiAdvancedFeaturesConfig field is set.
+   */
+  boolean hasGenAiAdvancedFeaturesConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+   * serving GenAI models, advanced features like native RAG integration can be
+   * configured. Currently, only Model Garden models are supported.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The genAiAdvancedFeaturesConfig.
+   */
+  com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig getGenAiAdvancedFeaturesConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+   * serving GenAI models, advanced features like native RAG integration can be
+   * configured. Currently, only Model Garden models are supported.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfigOrBuilder
+      getGenAiAdvancedFeaturesConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * If true, the model server will be isolated from the external internet.
+   * </pre>
+   *
+   * <code>bool private_model_server_enabled = 30;</code>
+   *
+   * @return The privateModelServerEnabled.
+   */
+  boolean getPrivateModelServerEnabled();
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointProto.java
index 691e6a432f95..d1cca6e281b5 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class EndpointProto {
+@com.google.protobuf.Generated
+public final class EndpointProto extends com.google.protobuf.GeneratedFile {
   private EndpointProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "EndpointProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,55 +42,63 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Endpoint_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Endpoint_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Endpoint_TrafficSplitEntry_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Endpoint_TrafficSplitEntry_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Endpoint_LabelsEntry_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Endpoint_LabelsEntry_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DeployedModel_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DeployedModel_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DeployedModel_Status_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DeployedModel_Status_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DeployedModel_SystemLabelsEntry_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DeployedModel_SystemLabelsEntry_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_PrivateEndpoints_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_PrivateEndpoints_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_PredictRequestResponseLoggingConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_PredictRequestResponseLoggingConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ClientConnectionConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ClientConnectionConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_FasterDeploymentConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_FasterDeploymentConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_RagConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_RagConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_DraftModelSpeculation_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_DraftModelSpeculation_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_NgramSpeculation_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_NgramSpeculation_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -89,109 +109,133 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
 
   static {
     java.lang.String[] descriptorData = {
-      "\n\'google/cloud/vertexai/v1/endpoint.prot"
+      "\n"
+          + "\'google/cloud/vertexai/v1/endpoint.prot"
           + "o\022\030google.cloud.vertexai.v1\032\037google/api/"
           + "field_behavior.proto\032\031google/api/resourc"
-          + "e.proto\032.google/cloud/vertexai/v1/encryp"
-          + "tion_spec.proto\032*google/cloud/vertexai/v"
-          + "1/explanation.proto\032!google/cloud/vertex"
-          + "ai/v1/io.proto\0320google/cloud/vertexai/v1"
+          + "e.proto\032.google/cloud/vertexai/v1/encryption_spec.proto\032*google/cloud/vertexai/v"
+          + "1/explanation.proto\032!google/cloud/vertexai/v1/io.proto\0320google/cloud/vertexai/v1"
           + "/machine_resources.proto\0321google/cloud/v"
           + "ertexai/v1/service_networking.proto\032\036goo"
-          + "gle/protobuf/duration.proto\032\037google/prot"
-          + "obuf/timestamp.proto\"\361\n\n\010Endpoint\022\021\n\004nam"
-          + "e\030\001 \001(\tB\003\340A\003\022\031\n\014display_name\030\002 \001(\tB\003\340A\002\022"
-          + "\023\n\013description\030\003 \001(\t\022E\n\017deployed_models\030"
-          + "\004 \003(\0132\'.google.cloud.vertexai.v1.Deploye"
-          + "dModelB\003\340A\003\022K\n\rtraffic_split\030\005 \003(\01324.goo"
-          + "gle.cloud.vertexai.v1.Endpoint.TrafficSp"
-          + "litEntry\022\014\n\004etag\030\006 \001(\t\022>\n\006labels\030\007 \003(\0132."
-          + ".google.cloud.vertexai.v1.Endpoint.Label"
-          + "sEntry\0224\n\013create_time\030\010 \001(\0132\032.google.pro"
-          + "tobuf.TimestampB\003\340A\003\0224\n\013update_time\030\t \001("
-          + "\0132\032.google.protobuf.TimestampB\003\340A\003\022A\n\017en"
-          + "cryption_spec\030\n \001(\0132(.google.cloud.verte"
-          + "xai.v1.EncryptionSpec\0227\n\007network\030\r \001(\tB&"
-          + "\340A\001\372A \n\036compute.googleapis.com/Network\022*"
-          + "\n\036enable_private_service_connect\030\021 \001(\010B\002"
-          + "\030\001\022b\n\036private_service_connect_config\030\025 \001"
-          + "(\01325.google.cloud.vertexai.v1.PrivateSer"
-          + "viceConnectConfigB\003\340A\001\022g\n\037model_deployme"
-          + "nt_monitoring_job\030\016 \001(\tB>\340A\003\372A8\n6aiplatf"
-          + "orm.googleapis.com/ModelDeploymentMonito"
-          + "ringJob\022n\n\'predict_request_response_logg"
-          + "ing_config\030\022 \001(\0132=.google.cloud.vertexai"
-          + ".v1.PredictRequestResponseLoggingConfig\022"
-          + "\"\n\032dedicated_endpoint_enabled\030\030 \001(\010\022#\n\026d"
-          + "edicated_endpoint_dns\030\031 \001(\tB\003\340A\003\022R\n\030clie"
-          + "nt_connection_config\030\027 \001(\01320.google.clou"
-          + "d.vertexai.v1.ClientConnectionConfig\022\032\n\r"
-          + "satisfies_pzs\030\033 \001(\010B\003\340A\003\022\032\n\rsatisfies_pz"
-          + "i\030\034 \001(\010B\003\340A\003\0323\n\021TrafficSplitEntry\022\013\n\003key"
-          + "\030\001 \001(\t\022\r\n\005value\030\002 \001(\005:\0028\001\032-\n\013LabelsEntry"
-          + "\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001:\265\001\352A\261\001\n"
-          + "\"aiplatform.googleapis.com/Endpoint\022<pro"
-          + "jects/{project}/locations/{location}/end"
-          + "points/{endpoint}\022Mprojects/{project}/lo"
-          + "cations/{location}/publishers/{publisher"
-          + "}/models/{model}\"\316\t\n\rDeployedModel\022K\n\023de"
-          + "dicated_resources\030\007 \001(\0132,.google.cloud.v"
-          + "ertexai.v1.DedicatedResourcesH\000\022K\n\023autom"
-          + "atic_resources\030\010 \001(\0132,.google.cloud.vert"
-          + "exai.v1.AutomaticResourcesH\000\022Q\n\020shared_r"
-          + "esources\030\021 \001(\tB5\372A2\n0aiplatform.googleap"
-          + "is.com/DeploymentResourcePoolH\000\022\017\n\002id\030\001 "
-          + "\001(\tB\003\340A\005\0226\n\005model\030\002 \001(\tB\'\340A\002\372A!\n\037aiplatf"
-          + "orm.googleapis.com/Model\022\035\n\020model_versio"
-          + "n_id\030\022 \001(\tB\003\340A\003\022\024\n\014display_name\030\003 \001(\t\0224\n"
-          + "\013create_time\030\006 \001(\0132\032.google.protobuf.Tim"
-          + "estampB\003\340A\003\022C\n\020explanation_spec\030\t \001(\0132)."
-          + "google.cloud.vertexai.v1.ExplanationSpec"
-          + "\022\034\n\024disable_explanations\030\023 \001(\010\022\027\n\017servic"
-          + "e_account\030\013 \001(\t\022!\n\031disable_container_log"
-          + "ging\030\017 \001(\010\022\035\n\025enable_access_logging\030\r \001("
-          + "\010\022J\n\021private_endpoints\030\016 \001(\0132*.google.cl"
-          + "oud.vertexai.v1.PrivateEndpointsB\003\340A\003\022R\n"
-          + "\030faster_deployment_config\030\027 \001(\01320.google"
-          + ".cloud.vertexai.v1.FasterDeploymentConfi"
-          + "g\022C\n\006status\030\032 \001(\0132..google.cloud.vertexa"
-          + "i.v1.DeployedModel.StatusB\003\340A\003\022P\n\rsystem"
-          + "_labels\030\034 \003(\01329.google.cloud.vertexai.v1"
-          + ".DeployedModel.SystemLabelsEntry\022Y\n\031spec"
-          + "ulative_decoding_spec\030\036 \001(\01321.google.clo"
-          + "ud.vertexai.v1.SpeculativeDecodingSpecB\003"
-          + "\340A\001\032\177\n\006Status\022\024\n\007message\030\001 \001(\tB\003\340A\003\0229\n\020l"
-          + "ast_update_time\030\002 \001(\0132\032.google.protobuf."
-          + "TimestampB\003\340A\003\022$\n\027available_replica_coun"
-          + "t\030\003 \001(\005B\003\340A\003\0323\n\021SystemLabelsEntry\022\013\n\003key"
-          + "\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001B\026\n\024prediction_"
-          + "resources\"\217\001\n\020PrivateEndpoints\022\035\n\020predic"
-          + "t_http_uri\030\001 \001(\tB\003\340A\003\022\035\n\020explain_http_ur"
-          + "i\030\002 \001(\tB\003\340A\003\022\034\n\017health_http_uri\030\003 \001(\tB\003\340"
-          + "A\003\022\037\n\022service_attachment\030\004 \001(\tB\003\340A\003\"\232\001\n#"
-          + "PredictRequestResponseLoggingConfig\022\017\n\007e"
-          + "nabled\030\001 \001(\010\022\025\n\rsampling_rate\030\002 \001(\001\022K\n\024b"
-          + "igquery_destination\030\003 \001(\0132-.google.cloud"
-          + ".vertexai.v1.BigQueryDestination\"N\n\026Clie"
-          + "ntConnectionConfig\0224\n\021inference_timeout\030"
-          + "\001 \001(\0132\031.google.protobuf.Duration\"5\n\026Fast"
-          + "erDeploymentConfig\022\033\n\023fast_tryout_enable"
-          + "d\030\002 \001(\010\"\225\003\n\027SpeculativeDecodingSpec\022j\n\027d"
-          + "raft_model_speculation\030\002 \001(\0132G.google.cl"
-          + "oud.vertexai.v1.SpeculativeDecodingSpec."
-          + "DraftModelSpeculationH\000\022_\n\021ngram_specula"
-          + "tion\030\003 \001(\0132B.google.cloud.vertexai.v1.Sp"
-          + "eculativeDecodingSpec.NgramSpeculationH\000"
-          + "\022\037\n\027speculative_token_count\030\001 \001(\005\032U\n\025Dra"
-          + "ftModelSpeculation\022<\n\013draft_model\030\001 \001(\tB"
-          + "\'\340A\002\372A!\n\037aiplatform.googleapis.com/Model"
-          + "\032&\n\020NgramSpeculation\022\022\n\nngram_size\030\001 \001(\005"
-          + "B\r\n\013speculationB\312\001\n\035com.google.cloud.ver"
-          + "texai.apiB\rEndpointProtoP\001Z>cloud.google"
-          + ".com/go/aiplatform/apiv1/aiplatformpb;ai"
-          + "platformpb\252\002\032Google.Cloud.AIPlatform.V1\312"
-          + "\002\032Google\\Cloud\\AIPlatform\\V1\352\002\035Google::C"
-          + "loud::AIPlatform::V1b\006proto3"
+          + "gle/protobuf/duration.proto\032\037google/protobuf/timestamp.proto\"\374\013\n"
+          + "\010Endpoint\022\021\n"
+          + "\004name\030\001 \001(\tB\003\340A\003\022\031\n"
+          + "\014display_name\030\002 \001(\tB\003\340A\002\022\023\n"
+          + "\013description\030\003 \001(\t\022E\n"
+          + "\017deployed_models\030\004"
+          + " \003(\0132\'.google.cloud.vertexai.v1.DeployedModelB\003\340A\003\022K\n\r"
+          + "traffic_split\030\005 \003(\01324.goo"
+          + "gle.cloud.vertexai.v1.Endpoint.TrafficSplitEntry\022\014\n"
+          + "\004etag\030\006 \001(\t\022>\n"
+          + "\006labels\030\007 \003(\0132..google.cloud.vertexai.v1.Endpoint.LabelsEntry\0224\n"
+          + "\013create_time\030\010 \001(\0132\032.google.protobuf.TimestampB\003\340A\003\0224\n"
+          + "\013update_time\030\t \001(\0132\032.google.protobuf.TimestampB\003\340A\003\022A\n"
+          + "\017encryption_spec\030\n"
+          + " \001(\0132(.google.cloud.vertexai.v1.EncryptionSpec\0227\n"
+          + "\007network\030\r"
+          + " \001(\tB&\340A\001\372A \n"
+          + "\036compute.googleapis.com/Network\022*\n"
+          + "\036enable_private_service_connect\030\021 \001(\010B\002\030\001\022b\n"
+          + "\036private_service_connect_config\030\025 \001"
+          + "(\01325.google.cloud.vertexai.v1.PrivateServiceConnectConfigB\003\340A\001\022g\n"
+          + "\037model_deployment_monitoring_job\030\016 \001(\tB>\340A\003\372A8\n"
+          + "6aiplatform.googleapis.com/ModelDeploymentMonitoringJob\022n\n"
+          + "\'predict_request_response_logging_config\030\022 \001(\0132=.google.cloud.vertexai"
+          + ".v1.PredictRequestResponseLoggingConfig\022\"\n"
+          + "\032dedicated_endpoint_enabled\030\030 \001(\010\022#\n"
+          + "\026dedicated_endpoint_dns\030\031 \001(\tB\003\340A\003\022R\n"
+          + "\030client_connection_config\030\027"
+          + " \001(\01320.google.cloud.vertexai.v1.ClientConnectionConfig\022\032\n\r"
+          + "satisfies_pzs\030\033 \001(\010B\003\340A\003\022\032\n\r"
+          + "satisfies_pzi\030\034 \001(\010B\003\340A\003\022c\n"
+          + "\037gen_ai_advanced_features_config\030\035"
+          + " \001(\01325.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfigB\003\340A\001\022$\n"
+          + "\034private_model_server_enabled\030\036 \001(\010\0323\n"
+          + "\021TrafficSplitEntry\022\013\n"
+          + "\003key\030\001 \001(\t\022\r\n"
+          + "\005value\030\002 \001(\005:\0028\001\032-\n"
+          + "\013LabelsEntry\022\013\n"
+          + "\003key\030\001 \001(\t\022\r\n"
+          + "\005value\030\002 \001(\t:\0028\001:\265\001\352A\261\001\n"
+          + "\"aiplatform.googleapis.com/Endpoint\022<projects/{project}/locat"
+          + "ions/{location}/endpoints/{endpoint}\022Mpr"
+          + "ojects/{project}/locations/{location}/publishers/{publisher}/models/{model}\"\342"
+          + "\t\n\r"
+          + "DeployedModel\022K\n"
+          + "\023dedicated_resources\030\007 \001"
+          + "(\0132,.google.cloud.vertexai.v1.DedicatedResourcesH\000\022K\n"
+          + "\023automatic_resources\030\010 \001(\0132"
+          + ",.google.cloud.vertexai.v1.AutomaticResourcesH\000\022Q\n"
+          + "\020shared_resources\030\021 \001(\tB5\372A2\n"
+          + "0aiplatform.googleapis.com/DeploymentResourcePoolH\000\022\017\n"
+          + "\002id\030\001 \001(\tB\003\340A\005\0223\n"
+          + "\005model\030\002 \001(\tB$\372A!\n"
+          + "\037aiplatform.googleapis.com/Model\022\035\n"
+          + "\020model_version_id\030\022 \001(\tB\003\340A\003\022\024\n"
+          + "\014display_name\030\003 \001(\t\0224\n"
+          + "\013create_time\030\006 \001(\0132\032.google.protobuf.TimestampB\003\340A\003\022C\n"
+          + "\020explanation_spec\030\t"
+          + " \001(\0132).google.cloud.vertexai.v1.ExplanationSpec\022\034\n"
+          + "\024disable_explanations\030\023 \001(\010\022\027\n"
+          + "\017service_account\030\013 \001(\t\022!\n"
+          + "\031disable_container_logging\030\017 \001(\010\022\035\n"
+          + "\025enable_access_logging\030\r"
+          + " \001(\010\022J\n"
+          + "\021private_endpoints\030\016"
+          + " \001(\0132*.google.cloud.vertexai.v1.PrivateEndpointsB\003\340A\003\022R\n"
+          + "\030faster_deployment_config\030\027"
+          + " \001(\01320.google.cloud.vertexai.v1.FasterDeploymentConfig\022C\n"
+          + "\006status\030\032 \001(\0132..goog"
+          + "le.cloud.vertexai.v1.DeployedModel.StatusB\003\340A\003\022P\n\r"
+          + "system_labels\030\034 \003(\01329.google.c"
+          + "loud.vertexai.v1.DeployedModel.SystemLabelsEntry\022\025\n\r"
+          + "checkpoint_id\030\035 \001(\t\022Y\n"
+          + "\031speculative_decoding_spec\030\036 \001(\01321.google.clou"
+          + "d.vertexai.v1.SpeculativeDecodingSpecB\003\340A\001\032\177\n"
+          + "\006Status\022\024\n"
+          + "\007message\030\001 \001(\tB\003\340A\003\0229\n"
+          + "\020last_update_time\030\002"
+          + " \001(\0132\032.google.protobuf.TimestampB\003\340A\003\022$\n"
+          + "\027available_replica_count\030\003 \001(\005B\003\340A\003\0323\n"
+          + "\021SystemLabelsEntry\022\013\n"
+          + "\003key\030\001 \001(\t\022\r\n"
+          + "\005value\030\002 \001(\t:\0028\001B\026\n"
+          + "\024prediction_resources\"\217\001\n"
+          + "\020PrivateEndpoints\022\035\n"
+          + "\020predict_http_uri\030\001 \001(\tB\003\340A\003\022\035\n"
+          + "\020explain_http_uri\030\002 \001(\tB\003\340A\003\022\034\n"
+          + "\017health_http_uri\030\003 \001(\tB\003\340A\003\022\037\n"
+          + "\022service_attachment\030\004 \001(\tB\003\340A\003\"\232\001\n"
+          + "#PredictRequestResponseLoggingConfig\022\017\n"
+          + "\007enabled\030\001 \001(\010\022\025\n\r"
+          + "sampling_rate\030\002 \001(\001\022K\n"
+          + "\024bigquery_destination\030\003"
+          + " \001(\0132-.google.cloud.vertexai.v1.BigQueryDestination\"N\n"
+          + "\026ClientConnectionConfig\0224\n"
+          + "\021inference_timeout\030\001 \001(\0132\031.google.protobuf.Duration\"5\n"
+          + "\026FasterDeploymentConfig\022\033\n"
+          + "\023fast_tryout_enabled\030\002 \001(\010\"\223\001\n"
+          + "\033GenAiAdvancedFeaturesConfig\022S\n\n"
+          + "rag_config\030\001 \001(\0132?.google.cloud.vertex"
+          + "ai.v1.GenAiAdvancedFeaturesConfig.RagConfig\032\037\n"
+          + "\tRagConfig\022\022\n\n"
+          + "enable_rag\030\001 \001(\010\"\225\003\n"
+          + "\027SpeculativeDecodingSpec\022j\n"
+          + "\027draft_model_speculation\030\002 \001(\0132G.google.cloud.vertexa"
+          + "i.v1.SpeculativeDecodingSpec.DraftModelSpeculationH\000\022_\n"
+          + "\021ngram_speculation\030\003 \001(\0132"
+          + "B.google.cloud.vertexai.v1.SpeculativeDecodingSpec.NgramSpeculationH\000\022\037\n"
+          + "\027speculative_token_count\030\001 \001(\005\032U\n"
+          + "\025DraftModelSpeculation\022<\n"
+          + "\013draft_model\030\001 \001(\tB\'\340A\002\372A!\n"
+          + "\037aiplatform.googleapis.com/Model\032&\n"
+          + "\020NgramSpeculation\022\022\n\n"
+          + "ngram_size\030\001 \001(\005B\r\n"
+          + "\013speculationB\312\001\n"
+          + "\035com.google.cloud.vertexai.apiB\r"
+          + "EndpointProtoP\001Z>cloud.google.com/go/aiplatform/apiv1/aiplatformpb;aiplatformpb\252"
+          + "\002\032Google.Cloud.AIPlatform.V1\312\002\032Google\\Cl"
+          + "oud\\AIPlatform\\V1\352\002\035Google::Cloud::AIPlatform::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -208,9 +252,9 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.protobuf.TimestampProto.getDescriptor(),
             });
     internal_static_google_cloud_vertexai_v1_Endpoint_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+        getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_Endpoint_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Endpoint_descriptor,
             new java.lang.String[] {
               "Name",
@@ -233,27 +277,29 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "ClientConnectionConfig",
               "SatisfiesPzs",
               "SatisfiesPzi",
+              "GenAiAdvancedFeaturesConfig",
+              "PrivateModelServerEnabled",
             });
     internal_static_google_cloud_vertexai_v1_Endpoint_TrafficSplitEntry_descriptor =
-        internal_static_google_cloud_vertexai_v1_Endpoint_descriptor.getNestedTypes().get(0);
+        internal_static_google_cloud_vertexai_v1_Endpoint_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_Endpoint_TrafficSplitEntry_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Endpoint_TrafficSplitEntry_descriptor,
             new java.lang.String[] {
               "Key", "Value",
             });
     internal_static_google_cloud_vertexai_v1_Endpoint_LabelsEntry_descriptor =
-        internal_static_google_cloud_vertexai_v1_Endpoint_descriptor.getNestedTypes().get(1);
+        internal_static_google_cloud_vertexai_v1_Endpoint_descriptor.getNestedType(1);
     internal_static_google_cloud_vertexai_v1_Endpoint_LabelsEntry_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Endpoint_LabelsEntry_descriptor,
             new java.lang.String[] {
               "Key", "Value",
             });
     internal_static_google_cloud_vertexai_v1_DeployedModel_descriptor =
-        getDescriptor().getMessageTypes().get(1);
+        getDescriptor().getMessageType(1);
     internal_static_google_cloud_vertexai_v1_DeployedModel_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_DeployedModel_descriptor,
             new java.lang.String[] {
               "DedicatedResources",
@@ -273,92 +319,102 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "FasterDeploymentConfig",
               "Status",
               "SystemLabels",
+              "CheckpointId",
               "SpeculativeDecodingSpec",
               "PredictionResources",
             });
     internal_static_google_cloud_vertexai_v1_DeployedModel_Status_descriptor =
-        internal_static_google_cloud_vertexai_v1_DeployedModel_descriptor.getNestedTypes().get(0);
+        internal_static_google_cloud_vertexai_v1_DeployedModel_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_DeployedModel_Status_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_DeployedModel_Status_descriptor,
             new java.lang.String[] {
               "Message", "LastUpdateTime", "AvailableReplicaCount",
             });
     internal_static_google_cloud_vertexai_v1_DeployedModel_SystemLabelsEntry_descriptor =
-        internal_static_google_cloud_vertexai_v1_DeployedModel_descriptor.getNestedTypes().get(1);
+        internal_static_google_cloud_vertexai_v1_DeployedModel_descriptor.getNestedType(1);
     internal_static_google_cloud_vertexai_v1_DeployedModel_SystemLabelsEntry_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_DeployedModel_SystemLabelsEntry_descriptor,
             new java.lang.String[] {
               "Key", "Value",
             });
     internal_static_google_cloud_vertexai_v1_PrivateEndpoints_descriptor =
-        getDescriptor().getMessageTypes().get(2);
+        getDescriptor().getMessageType(2);
     internal_static_google_cloud_vertexai_v1_PrivateEndpoints_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_PrivateEndpoints_descriptor,
             new java.lang.String[] {
               "PredictHttpUri", "ExplainHttpUri", "HealthHttpUri", "ServiceAttachment",
             });
     internal_static_google_cloud_vertexai_v1_PredictRequestResponseLoggingConfig_descriptor =
-        getDescriptor().getMessageTypes().get(3);
+        getDescriptor().getMessageType(3);
     internal_static_google_cloud_vertexai_v1_PredictRequestResponseLoggingConfig_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_PredictRequestResponseLoggingConfig_descriptor,
             new java.lang.String[] {
               "Enabled", "SamplingRate", "BigqueryDestination",
             });
     internal_static_google_cloud_vertexai_v1_ClientConnectionConfig_descriptor =
-        getDescriptor().getMessageTypes().get(4);
+        getDescriptor().getMessageType(4);
     internal_static_google_cloud_vertexai_v1_ClientConnectionConfig_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ClientConnectionConfig_descriptor,
             new java.lang.String[] {
               "InferenceTimeout",
             });
     internal_static_google_cloud_vertexai_v1_FasterDeploymentConfig_descriptor =
-        getDescriptor().getMessageTypes().get(5);
+        getDescriptor().getMessageType(5);
     internal_static_google_cloud_vertexai_v1_FasterDeploymentConfig_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_FasterDeploymentConfig_descriptor,
             new java.lang.String[] {
               "FastTryoutEnabled",
             });
+    internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_descriptor =
+        getDescriptor().getMessageType(6);
+    internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_descriptor,
+            new java.lang.String[] {
+              "RagConfig",
+            });
+    internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_RagConfig_descriptor =
+        internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_descriptor
+            .getNestedType(0);
+    internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_RagConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_RagConfig_descriptor,
+            new java.lang.String[] {
+              "EnableRag",
+            });
     internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_descriptor =
-        getDescriptor().getMessageTypes().get(6);
+        getDescriptor().getMessageType(7);
     internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_descriptor,
             new java.lang.String[] {
               "DraftModelSpeculation", "NgramSpeculation", "SpeculativeTokenCount", "Speculation",
             });
     internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_DraftModelSpeculation_descriptor =
-        internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_descriptor
-            .getNestedTypes()
-            .get(0);
+        internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_descriptor.getNestedType(
+            0);
     internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_DraftModelSpeculation_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_DraftModelSpeculation_descriptor,
             new java.lang.String[] {
               "DraftModel",
             });
     internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_NgramSpeculation_descriptor =
-        internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_descriptor
-            .getNestedTypes()
-            .get(1);
+        internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_descriptor.getNestedType(
+            1);
     internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_NgramSpeculation_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_NgramSpeculation_descriptor,
             new java.lang.String[] {
               "NgramSize",
             });
-    com.google.protobuf.ExtensionRegistry registry =
-        com.google.protobuf.ExtensionRegistry.newInstance();
-    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
-    registry.add(com.google.api.ResourceProto.resource);
-    registry.add(com.google.api.ResourceProto.resourceReference);
-    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
-        descriptor, registry);
+    descriptor.resolveAllFeaturesImmutable();
     com.google.api.FieldBehaviorProto.getDescriptor();
     com.google.api.ResourceProto.getDescriptor();
     com.google.cloud.vertexai.api.EncryptionSpecProto.getDescriptor();
@@ -368,6 +424,13 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.cloud.vertexai.api.ServiceNetworkingProto.getDescriptor();
     com.google.protobuf.DurationProto.getDescriptor();
     com.google.protobuf.TimestampProto.getDescriptor();
+    com.google.protobuf.ExtensionRegistry registry =
+        com.google.protobuf.ExtensionRegistry.newInstance();
+    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
+    registry.add(com.google.api.ResourceProto.resource);
+    registry.add(com.google.api.ResourceProto.resourceReference);
+    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
+        descriptor, registry);
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointServiceProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointServiceProto.java
index 20e52cf088ca..aba395904368 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointServiceProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EndpointServiceProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class EndpointServiceProto {
+@com.google.protobuf.Generated
+public final class EndpointServiceProto extends com.google.protobuf.GeneratedFile {
   private EndpointServiceProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "EndpointServiceProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,83 +42,83 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_CreateEndpointRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_CreateEndpointRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_CreateEndpointOperationMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_CreateEndpointOperationMetadata_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GetEndpointRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GetEndpointRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ListEndpointsRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ListEndpointsRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ListEndpointsResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ListEndpointsResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_UpdateEndpointRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_UpdateEndpointRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_UpdateEndpointLongRunningRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_UpdateEndpointLongRunningRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_UpdateEndpointOperationMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_UpdateEndpointOperationMetadata_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DeleteEndpointRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DeleteEndpointRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DeployModelRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DeployModelRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DeployModelRequest_TrafficSplitEntry_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DeployModelRequest_TrafficSplitEntry_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DeployModelResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DeployModelResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DeployModelOperationMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
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   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_UndeployModelRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_UndeployModelRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_UndeployModelRequest_TrafficSplitEntry_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_UndeployModelRequest_TrafficSplitEntry_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_UndeployModelResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_UndeployModelResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_UndeployModelOperationMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_UndeployModelOperationMetadata_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_MutateDeployedModelRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_MutateDeployedModelRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_MutateDeployedModelResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_MutateDeployedModelResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_MutateDeployedModelOperationMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
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   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -117,137 +129,146 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
 
   static {
     java.lang.String[] descriptorData = {
-      "\n/google/cloud/vertexai/v1/endpoint_serv"
+      "\n"
+          + "/google/cloud/vertexai/v1/endpoint_serv"
           + "ice.proto\022\030google.cloud.vertexai.v1\032\034goo"
           + "gle/api/annotations.proto\032\027google/api/cl"
           + "ient.proto\032\037google/api/field_behavior.pr"
-          + "oto\032\031google/api/resource.proto\032\'google/c"
-          + "loud/vertexai/v1/endpoint.proto\032(google/"
-          + "cloud/vertexai/v1/operation.proto\032#googl"
-          + "e/longrunning/operations.proto\032\033google/p"
-          + "rotobuf/empty.proto\032 google/protobuf/fie"
-          + "ld_mask.proto\"\247\001\n\025CreateEndpointRequest\022"
-          + "9\n\006parent\030\001 \001(\tB)\340A\002\372A#\n!locations.googl"
-          + "eapis.com/Location\0229\n\010endpoint\030\002 \001(\0132\".g"
-          + "oogle.cloud.vertexai.v1.EndpointB\003\340A\002\022\030\n"
-          + "\013endpoint_id\030\004 \001(\tB\003\340A\005\"o\n\037CreateEndpoin"
-          + "tOperationMetadata\022L\n\020generic_metadata\030\001"
-          + " \001(\01322.google.cloud.vertexai.v1.GenericO"
-          + "perationMetadata\"N\n\022GetEndpointRequest\0228"
-          + "\n\004name\030\001 \001(\tB*\340A\002\372A$\n\"aiplatform.googlea"
-          + "pis.com/Endpoint\"\335\001\n\024ListEndpointsReques"
-          + "t\0229\n\006parent\030\001 \001(\tB)\340A\002\372A#\n!locations.goo"
-          + "gleapis.com/Location\022\023\n\006filter\030\002 \001(\tB\003\340A"
-          + "\001\022\026\n\tpage_size\030\003 \001(\005B\003\340A\001\022\027\n\npage_token\030"
-          + "\004 \001(\tB\003\340A\001\0222\n\tread_mask\030\005 \001(\0132\032.google.p"
-          + "rotobuf.FieldMaskB\003\340A\001\022\020\n\010order_by\030\006 \001(\t"
-          + "\"g\n\025ListEndpointsResponse\0225\n\tendpoints\030\001"
-          + " \003(\0132\".google.cloud.vertexai.v1.Endpoint"
-          + "\022\027\n\017next_page_token\030\002 \001(\t\"\210\001\n\025UpdateEndp"
-          + "ointRequest\0229\n\010endpoint\030\001 \001(\0132\".google.c"
-          + "loud.vertexai.v1.EndpointB\003\340A\002\0224\n\013update"
-          + "_mask\030\002 \001(\0132\032.google.protobuf.FieldMaskB"
-          + "\003\340A\002\"]\n UpdateEndpointLongRunningRequest"
-          + "\0229\n\010endpoint\030\001 \001(\0132\".google.cloud.vertex"
-          + "ai.v1.EndpointB\003\340A\002\"o\n\037UpdateEndpointOpe"
-          + "rationMetadata\022L\n\020generic_metadata\030\001 \001(\013"
-          + "22.google.cloud.vertexai.v1.GenericOpera"
-          + "tionMetadata\"Q\n\025DeleteEndpointRequest\0228\n"
-          + "\004name\030\001 \001(\tB*\340A\002\372A$\n\"aiplatform.googleap"
-          + "is.com/Endpoint\"\244\002\n\022DeployModelRequest\022<"
-          + "\n\010endpoint\030\001 \001(\tB*\340A\002\372A$\n\"aiplatform.goo"
-          + "gleapis.com/Endpoint\022D\n\016deployed_model\030\002"
-          + " \001(\0132\'.google.cloud.vertexai.v1.Deployed"
-          + "ModelB\003\340A\002\022U\n\rtraffic_split\030\003 \003(\0132>.goog"
-          + "le.cloud.vertexai.v1.DeployModelRequest."
-          + "TrafficSplitEntry\0323\n\021TrafficSplitEntry\022\013"
-          + "\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\005:\0028\001\"V\n\023Deploy"
-          + "ModelResponse\022?\n\016deployed_model\030\001 \001(\0132\'."
-          + "google.cloud.vertexai.v1.DeployedModel\"l"
-          + "\n\034DeployModelOperationMetadata\022L\n\020generi"
-          + "c_metadata\030\001 \001(\01322.google.cloud.vertexai"
-          + ".v1.GenericOperationMetadata\"\202\002\n\024Undeplo"
-          + "yModelRequest\022<\n\010endpoint\030\001 \001(\tB*\340A\002\372A$\n"
-          + "\"aiplatform.googleapis.com/Endpoint\022\036\n\021d"
-          + "eployed_model_id\030\002 \001(\tB\003\340A\002\022W\n\rtraffic_s"
-          + "plit\030\003 \003(\0132@.google.cloud.vertexai.v1.Un"
-          + "deployModelRequest.TrafficSplitEntry\0323\n\021"
-          + "TrafficSplitEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030"
-          + "\002 \001(\005:\0028\001\"\027\n\025UndeployModelResponse\"n\n\036Un"
-          + "deployModelOperationMetadata\022L\n\020generic_"
-          + "metadata\030\001 \001(\01322.google.cloud.vertexai.v"
-          + "1.GenericOperationMetadata\"\326\001\n\032MutateDep"
-          + "loyedModelRequest\022<\n\010endpoint\030\001 \001(\tB*\340A\002"
-          + "\372A$\n\"aiplatform.googleapis.com/Endpoint\022"
-          + "D\n\016deployed_model\030\002 \001(\0132\'.google.cloud.v"
-          + "ertexai.v1.DeployedModelB\003\340A\002\0224\n\013update_"
-          + "mask\030\004 \001(\0132\032.google.protobuf.FieldMaskB\003"
-          + "\340A\002\"^\n\033MutateDeployedModelResponse\022?\n\016de"
-          + "ployed_model\030\001 \001(\0132\'.google.cloud.vertex"
-          + "ai.v1.DeployedModel\"t\n$MutateDeployedMod"
-          + "elOperationMetadata\022L\n\020generic_metadata\030"
-          + "\001 \001(\01322.google.cloud.vertexai.v1.Generic"
-          + "OperationMetadata2\225\021\n\017EndpointService\022\200\002"
-          + "\n\016CreateEndpoint\022/.google.cloud.vertexai"
-          + ".v1.CreateEndpointRequest\032\035.google.longr"
-          + "unning.Operation\"\235\001\312A+\n\010Endpoint\022\037Create"
-          + "EndpointOperationMetadata\332A\017parent,endpo"
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-          + "-/v1/{parent=projects/*/locations/*}/end"
-          + "points:\010endpoint\022\235\001\n\013GetEndpoint\022,.googl"
-          + "e.cloud.vertexai.v1.GetEndpointRequest\032\""
-          + ".google.cloud.vertexai.v1.Endpoint\"<\332A\004n"
-          + "ame\202\323\344\223\002/\022-/v1/{name=projects/*/location"
-          + "s/*/endpoints/*}\022\260\001\n\rListEndpoints\022..goo"
-          + "gle.cloud.vertexai.v1.ListEndpointsReque"
-          + "st\032/.google.cloud.vertexai.v1.ListEndpoi"
-          + "ntsResponse\">\332A\006parent\202\323\344\223\002/\022-/v1/{paren"
-          + "t=projects/*/locations/*}/endpoints\022\306\001\n\016"
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-          + "1.UpdateEndpointRequest\032\".google.cloud.v"
-          + "ertexai.v1.Endpoint\"_\332A\024endpoint,update_"
-          + "mask\202\323\344\223\002B26/v1/{endpoint.name=projects/"
-          + "*/locations/*/endpoints/*}:\010endpoint\022\372\001\n"
-          + "\031UpdateEndpointLongRunning\022:.google.clou"
-          + "d.vertexai.v1.UpdateEndpointLongRunningR"
-          + "equest\032\035.google.longrunning.Operation\"\201\001"
-          + "\312A+\n\010Endpoint\022\037UpdateEndpointOperationMe"
-          + "tadata\332A\010endpoint\202\323\344\223\002B\"=/v1/{endpoint.n"
-          + "ame=projects/*/locations/*/endpoints/*}:"
-          + "update:\001*\022\321\001\n\016DeleteEndpoint\022/.google.cl"
-          + "oud.vertexai.v1.DeleteEndpointRequest\032\035."
-          + "google.longrunning.Operation\"o\312A0\n\025googl"
-          + "e.protobuf.Empty\022\027DeleteOperationMetadat"
-          + "a\332A\004name\202\323\344\223\002/*-/v1/{name=projects/*/loc"
-          + "ations/*/endpoints/*}\022\203\002\n\013DeployModel\022,."
-          + "google.cloud.vertexai.v1.DeployModelRequ"
-          + "est\032\035.google.longrunning.Operation\"\246\001\312A3"
-          + "\n\023DeployModelResponse\022\034DeployModelOperat"
-          + "ionMetadata\332A%endpoint,deployed_model,tr"
-          + "affic_split\202\323\344\223\002B\"=/v1/{endpoint=project"
-          + "s/*/locations/*/endpoints/*}:deployModel"
-          + ":\001*\022\220\002\n\rUndeployModel\022..google.cloud.ver"
-          + "texai.v1.UndeployModelRequest\032\035.google.l"
-          + "ongrunning.Operation\"\257\001\312A7\n\025UndeployMode"
-          + "lResponse\022\036UndeployModelOperationMetadat"
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-          + "\002\n\023MutateDeployedModel\0224.google.cloud.ve"
-          + "rtexai.v1.MutateDeployedModelRequest\032\035.g"
-          + "oogle.longrunning.Operation\"\274\001\312AC\n\033Mutat"
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-          + "th/cloud-platformB\321\001\n\035com.google.cloud.v"
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-          + "Google::Cloud::AIPlatform::V1b\006proto3"
+          + "oto\032\031google/api/resource.proto\032/google/c"
+          + "loud/vertexai/v1/deployment_stage.proto\032\'google/cloud/vertexai/v1/endpoint.proto"
+          + "\032(google/cloud/vertexai/v1/operation.pro"
+          + "to\032#google/longrunning/operations.proto\032\033google/protobuf/empty.proto\032"
+          + " google/protobuf/field_mask.proto\"\247\001\n"
+          + "\025CreateEndpointRequest\0229\n"
+          + "\006parent\030\001 \001(\tB)\340A\002\372A#\n"
+          + "!locations.googleapis.com/Location\0229\n"
+          + "\010endpoint\030\002"
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+          + "\013endpoint_id\030\004 \001(\tB\003\340A\005\"\271\001\n"
+          + "\037CreateEndpointOperationMetadata\022L\n"
+          + "\020generic_metadata\030\001"
+          + " \001(\01322.google.cloud.vertexai.v1.GenericOperationMetadata\022H\n"
+          + "\020deployment_stage\030\002"
+          + " \001(\0162).google.cloud.vertexai.v1.DeploymentStageB\003\340A\003\"N\n"
+          + "\022GetEndpointRequest\0228\n"
+          + "\004name\030\001 \001(\tB*\340A\002\372A$\n"
+          + "\"aiplatform.googleapis.com/Endpoint\"\335\001\n"
+          + "\024ListEndpointsRequest\0229\n"
+          + "\006parent\030\001 \001(\tB)\340A\002\372A#\n"
+          + "!locations.googleapis.com/Location\022\023\n"
+          + "\006filter\030\002 \001(\tB\003\340A\001\022\026\n"
+          + "\tpage_size\030\003 \001(\005B\003\340A\001\022\027\n\n"
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+          + "\010order_by\030\006 \001(\t\"g\n"
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+          + "\017next_page_token\030\002 \001(\t\"\210\001\n"
+          + "\025UpdateEndpointRequest\0229\n"
+          + "\010endpoint\030\001"
+          + " \001(\0132\".google.cloud.vertexai.v1.EndpointB\003\340A\002\0224\n"
+          + "\013update_mask\030\002 \001(\0132\032.google.protobuf.FieldMaskB\003\340A\002\"]\n"
+          + " UpdateEndpointLongRunningRequest\0229\n"
+          + "\010endpoint\030\001 \001(\0132\".google.cloud.vertexai.v1.EndpointB\003\340A\002\"o\n"
+          + "\037UpdateEndpointOperationMetadata\022L\n"
+          + "\020generic_metadata\030\001"
+          + " \001(\01322.google.cloud.vertexai.v1.GenericOperationMetadata\"Q\n"
+          + "\025DeleteEndpointRequest\0228\n"
+          + "\004name\030\001 \001(\tB*\340A\002\372A$\n"
+          + "\"aiplatform.googleapis.com/Endpoint\"\244\002\n"
+          + "\022DeployModelRequest\022<\n"
+          + "\010endpoint\030\001 \001(\tB*\340A\002\372A$\n"
+          + "\"aiplatform.googleapis.com/Endpoint\022D\n"
+          + "\016deployed_model\030\002"
+          + " \001(\0132\'.google.cloud.vertexai.v1.DeployedModelB\003\340A\002\022U\n\r"
+          + "traffic_split\030\003 \003(\0132>."
+          + "google.cloud.vertexai.v1.DeployModelRequest.TrafficSplitEntry\0323\n"
+          + "\021TrafficSplitEntry\022\013\n"
+          + "\003key\030\001 \001(\t\022\r\n"
+          + "\005value\030\002 \001(\005:\0028\001\"V\n"
+          + "\023DeployModelResponse\022?\n"
+          + "\016deployed_model\030\001 \001("
+          + "\0132\'.google.cloud.vertexai.v1.DeployedModel\"\266\001\n"
+          + "\034DeployModelOperationMetadata\022L\n"
+          + "\020generic_metadata\030\001"
+          + " \001(\01322.google.cloud.vertexai.v1.GenericOperationMetadata\022H\n"
+          + "\020deployment_stage\030\002"
+          + " \001(\0162).google.cloud.vertexai.v1.DeploymentStageB\003\340A\003\"\202\002\n"
+          + "\024UndeployModelRequest\022<\n"
+          + "\010endpoint\030\001 \001(\tB*\340A\002\372A$\n"
+          + "\"aiplatform.googleapis.com/Endpoint\022\036\n"
+          + "\021deployed_model_id\030\002 \001(\tB\003\340A\002\022W\n\r"
+          + "traffic_split\030\003"
+          + " \003(\0132@.google.cloud.vertexai.v1.UndeployModelRequest.TrafficSplitEntry\0323\n"
+          + "\021TrafficSplitEntry\022\013\n"
+          + "\003key\030\001 \001(\t\022\r\n"
+          + "\005value\030\002 \001(\005:\0028\001\"\027\n"
+          + "\025UndeployModelResponse\"n\n"
+          + "\036UndeployModelOperationMetadata\022L\n"
+          + "\020generic_metadata\030\001"
+          + " \001(\01322.google.cloud.vertexai.v1.GenericOperationMetadata\"\326\001\n"
+          + "\032MutateDeployedModelRequest\022<\n"
+          + "\010endpoint\030\001 \001(\tB*\340A\002\372A$\n"
+          + "\"aiplatform.googleapis.com/Endpoint\022D\n"
+          + "\016deployed_model\030\002"
+          + " \001(\0132\'.google.cloud.vertexai.v1.DeployedModelB\003\340A\002\0224\n"
+          + "\013update_mask\030\004 \001(\0132\032.google.protobuf.FieldMaskB\003\340A\002\"^\n"
+          + "\033MutateDeployedModelResponse\022?\n"
+          + "\016deployed_model\030\001 \001(\0132\'.google.cloud.vertexai.v1.DeployedModel\"t\n"
+          + "$MutateDeployedModelOperationMetadata\022L\n"
+          + "\020generic_metadata\030\001"
+          + " \001(\01322.google.cloud.vertexai.v1.GenericOperationMetadata2\225\021\n"
+          + "\017EndpointService\022\200\002\n"
+          + "\016CreateEndpoint\022/.google.cloud.vertexai."
+          + "v1.CreateEndpointRequest\032\035.google.longrunning.Operation\"\235\001\312A+\n"
+          + "\010Endpoint\022\037CreateEndpointOperationMetadata\332A\017parent,endpoi"
+          + "nt\332A\033parent,endpoint,endpoint_id\202\323\344\223\0029\"-"
+          + "/v1/{parent=projects/*/locations/*}/endpoints:\010endpoint\022\235\001\n"
+          + "\013GetEndpoint\022,.google.cloud.vertexai.v1.GetEndpointRequest\032\"."
+          + "google.cloud.vertexai.v1.Endpoint\"<\332A\004na"
+          + "me\202\323\344\223\002/\022-/v1/{name=projects/*/locations/*/endpoints/*}\022\260\001\n\r"
+          + "ListEndpoints\022..google.cloud.vertexai.v1.ListEndpointsReques"
+          + "t\032/.google.cloud.vertexai.v1.ListEndpoin"
+          + "tsResponse\">\332A\006parent\202\323\344\223\002/\022-/v1/{parent=projects/*/locations/*}/endpoints\022\306\001\n"
+          + "\016UpdateEndpoint\022/.google.cloud.vertexai.v1"
+          + ".UpdateEndpointRequest\032\".google.cloud.ve"
+          + "rtexai.v1.Endpoint\"_\332A\024endpoint,update_m"
+          + "ask\202\323\344\223\002B26/v1/{endpoint.name=projects/*/locations/*/endpoints/*}:\010endpoint\022\372\001\n"
+          + "\031UpdateEndpointLongRunning\022:.google.cloud"
+          + ".vertexai.v1.UpdateEndpointLongRunningRe"
+          + "quest\032\035.google.longrunning.Operation\"\201\001\312A+\n"
+          + "\010Endpoint\022\037UpdateEndpointOperationMet"
+          + "adata\332A\010endpoint\202\323\344\223\002B\"=/v1/{endpoint.na"
+          + "me=projects/*/locations/*/endpoints/*}:update:\001*\022\321\001\n"
+          + "\016DeleteEndpoint\022/.google.clo"
+          + "ud.vertexai.v1.DeleteEndpointRequest\032\035.google.longrunning.Operation\"o\312A0\n"
+          + "\025google.protobuf.Empty\022\027DeleteOperationMetadata"
+          + "\332A\004name\202\323\344\223\002/*-/v1/{name=projects/*/locations/*/endpoints/*}\022\203\002\n"
+          + "\013DeployModel\022,.g"
+          + "oogle.cloud.vertexai.v1.DeployModelRequest\032\035.google.longrunning.Operation\"\246\001\312A3\n"
+          + "\023DeployModelResponse\022\034DeployModelOperati"
+          + "onMetadata\332A%endpoint,deployed_model,tra"
+          + "ffic_split\202\323\344\223\002B\"=/v1/{endpoint=projects"
+          + "/*/locations/*/endpoints/*}:deployModel:\001*\022\220\002\n\r"
+          + "UndeployModel\022..google.cloud.vert"
+          + "exai.v1.UndeployModelRequest\032\035.google.longrunning.Operation\"\257\001\312A7\n"
+          + "\025UndeployModelResponse\022\036UndeployModelOperationMetadata"
+          + "\332A(endpoint,deployed_model_id,traffic_sp"
+          + "lit\202\323\344\223\002D\"?/v1/{endpoint=projects/*/loca"
+          + "tions/*/endpoints/*}:undeployModel:\001*\022\251\002\n"
+          + "\023MutateDeployedModel\0224.google.cloud.ver"
+          + "texai.v1.MutateDeployedModelRequest\032\035.google.longrunning.Operation\"\274\001\312AC\n"
+          + "\033MutateDeployedModelResponse\022$MutateDeployedMod"
+          + "elOperationMetadata\332A#endpoint,deployed_"
+          + "model,update_mask\202\323\344\223\002J\"E/v1/{endpoint=p"
+          + "rojects/*/locations/*/endpoints/*}:mutat"
+          + "eDeployedModel:\001*\032M\312A\031aiplatform.googlea"
+          + "pis.com\322A.https://www.googleapis.com/auth/cloud-platformB\321\001\n"
+          + "\035com.google.cloud.vertexai.apiB\024EndpointServiceProtoP\001Z>clou"
+          + "d.google.com/go/aiplatform/apiv1/aiplatf"
+          + "ormpb;aiplatformpb\252\002\032Google.Cloud.AIPlat"
+          + "form.V1\312\002\032Google\\Cloud\\AIPlatform\\V1\352\002\035G"
+          + "oogle::Cloud::AIPlatform::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -257,6 +278,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.api.ClientProto.getDescriptor(),
               com.google.api.FieldBehaviorProto.getDescriptor(),
               com.google.api.ResourceProto.getDescriptor(),
+              com.google.cloud.vertexai.api.DeploymentStageProto.getDescriptor(),
               com.google.cloud.vertexai.api.EndpointProto.getDescriptor(),
               com.google.cloud.vertexai.api.OperationProto.getDescriptor(),
               com.google.longrunning.OperationsProto.getDescriptor(),
@@ -264,167 +286,174 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.protobuf.FieldMaskProto.getDescriptor(),
             });
     internal_static_google_cloud_vertexai_v1_CreateEndpointRequest_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+        getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_CreateEndpointRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_CreateEndpointRequest_descriptor,
             new java.lang.String[] {
               "Parent", "Endpoint", "EndpointId",
             });
     internal_static_google_cloud_vertexai_v1_CreateEndpointOperationMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(1);
+        getDescriptor().getMessageType(1);
     internal_static_google_cloud_vertexai_v1_CreateEndpointOperationMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_CreateEndpointOperationMetadata_descriptor,
             new java.lang.String[] {
-              "GenericMetadata",
+              "GenericMetadata", "DeploymentStage",
             });
     internal_static_google_cloud_vertexai_v1_GetEndpointRequest_descriptor =
-        getDescriptor().getMessageTypes().get(2);
+        getDescriptor().getMessageType(2);
     internal_static_google_cloud_vertexai_v1_GetEndpointRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GetEndpointRequest_descriptor,
             new java.lang.String[] {
               "Name",
             });
     internal_static_google_cloud_vertexai_v1_ListEndpointsRequest_descriptor =
-        getDescriptor().getMessageTypes().get(3);
+        getDescriptor().getMessageType(3);
     internal_static_google_cloud_vertexai_v1_ListEndpointsRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ListEndpointsRequest_descriptor,
             new java.lang.String[] {
               "Parent", "Filter", "PageSize", "PageToken", "ReadMask", "OrderBy",
             });
     internal_static_google_cloud_vertexai_v1_ListEndpointsResponse_descriptor =
-        getDescriptor().getMessageTypes().get(4);
+        getDescriptor().getMessageType(4);
     internal_static_google_cloud_vertexai_v1_ListEndpointsResponse_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ListEndpointsResponse_descriptor,
             new java.lang.String[] {
               "Endpoints", "NextPageToken",
             });
     internal_static_google_cloud_vertexai_v1_UpdateEndpointRequest_descriptor =
-        getDescriptor().getMessageTypes().get(5);
+        getDescriptor().getMessageType(5);
     internal_static_google_cloud_vertexai_v1_UpdateEndpointRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_UpdateEndpointRequest_descriptor,
             new java.lang.String[] {
               "Endpoint", "UpdateMask",
             });
     internal_static_google_cloud_vertexai_v1_UpdateEndpointLongRunningRequest_descriptor =
-        getDescriptor().getMessageTypes().get(6);
+        getDescriptor().getMessageType(6);
     internal_static_google_cloud_vertexai_v1_UpdateEndpointLongRunningRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_UpdateEndpointLongRunningRequest_descriptor,
             new java.lang.String[] {
               "Endpoint",
             });
     internal_static_google_cloud_vertexai_v1_UpdateEndpointOperationMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(7);
+        getDescriptor().getMessageType(7);
     internal_static_google_cloud_vertexai_v1_UpdateEndpointOperationMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_UpdateEndpointOperationMetadata_descriptor,
             new java.lang.String[] {
               "GenericMetadata",
             });
     internal_static_google_cloud_vertexai_v1_DeleteEndpointRequest_descriptor =
-        getDescriptor().getMessageTypes().get(8);
+        getDescriptor().getMessageType(8);
     internal_static_google_cloud_vertexai_v1_DeleteEndpointRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_DeleteEndpointRequest_descriptor,
             new java.lang.String[] {
               "Name",
             });
     internal_static_google_cloud_vertexai_v1_DeployModelRequest_descriptor =
-        getDescriptor().getMessageTypes().get(9);
+        getDescriptor().getMessageType(9);
     internal_static_google_cloud_vertexai_v1_DeployModelRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_DeployModelRequest_descriptor,
             new java.lang.String[] {
               "Endpoint", "DeployedModel", "TrafficSplit",
             });
     internal_static_google_cloud_vertexai_v1_DeployModelRequest_TrafficSplitEntry_descriptor =
-        internal_static_google_cloud_vertexai_v1_DeployModelRequest_descriptor
-            .getNestedTypes()
-            .get(0);
+        internal_static_google_cloud_vertexai_v1_DeployModelRequest_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_DeployModelRequest_TrafficSplitEntry_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_DeployModelRequest_TrafficSplitEntry_descriptor,
             new java.lang.String[] {
               "Key", "Value",
             });
     internal_static_google_cloud_vertexai_v1_DeployModelResponse_descriptor =
-        getDescriptor().getMessageTypes().get(10);
+        getDescriptor().getMessageType(10);
     internal_static_google_cloud_vertexai_v1_DeployModelResponse_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_DeployModelResponse_descriptor,
             new java.lang.String[] {
               "DeployedModel",
             });
     internal_static_google_cloud_vertexai_v1_DeployModelOperationMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(11);
+        getDescriptor().getMessageType(11);
     internal_static_google_cloud_vertexai_v1_DeployModelOperationMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_DeployModelOperationMetadata_descriptor,
             new java.lang.String[] {
-              "GenericMetadata",
+              "GenericMetadata", "DeploymentStage",
             });
     internal_static_google_cloud_vertexai_v1_UndeployModelRequest_descriptor =
-        getDescriptor().getMessageTypes().get(12);
+        getDescriptor().getMessageType(12);
     internal_static_google_cloud_vertexai_v1_UndeployModelRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_UndeployModelRequest_descriptor,
             new java.lang.String[] {
               "Endpoint", "DeployedModelId", "TrafficSplit",
             });
     internal_static_google_cloud_vertexai_v1_UndeployModelRequest_TrafficSplitEntry_descriptor =
-        internal_static_google_cloud_vertexai_v1_UndeployModelRequest_descriptor
-            .getNestedTypes()
-            .get(0);
+        internal_static_google_cloud_vertexai_v1_UndeployModelRequest_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_UndeployModelRequest_TrafficSplitEntry_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_UndeployModelRequest_TrafficSplitEntry_descriptor,
             new java.lang.String[] {
               "Key", "Value",
             });
     internal_static_google_cloud_vertexai_v1_UndeployModelResponse_descriptor =
-        getDescriptor().getMessageTypes().get(13);
+        getDescriptor().getMessageType(13);
     internal_static_google_cloud_vertexai_v1_UndeployModelResponse_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_UndeployModelResponse_descriptor,
             new java.lang.String[] {});
     internal_static_google_cloud_vertexai_v1_UndeployModelOperationMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(14);
+        getDescriptor().getMessageType(14);
     internal_static_google_cloud_vertexai_v1_UndeployModelOperationMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_UndeployModelOperationMetadata_descriptor,
             new java.lang.String[] {
               "GenericMetadata",
             });
     internal_static_google_cloud_vertexai_v1_MutateDeployedModelRequest_descriptor =
-        getDescriptor().getMessageTypes().get(15);
+        getDescriptor().getMessageType(15);
     internal_static_google_cloud_vertexai_v1_MutateDeployedModelRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_MutateDeployedModelRequest_descriptor,
             new java.lang.String[] {
               "Endpoint", "DeployedModel", "UpdateMask",
             });
     internal_static_google_cloud_vertexai_v1_MutateDeployedModelResponse_descriptor =
-        getDescriptor().getMessageTypes().get(16);
+        getDescriptor().getMessageType(16);
     internal_static_google_cloud_vertexai_v1_MutateDeployedModelResponse_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_MutateDeployedModelResponse_descriptor,
             new java.lang.String[] {
               "DeployedModel",
             });
     internal_static_google_cloud_vertexai_v1_MutateDeployedModelOperationMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(17);
+        getDescriptor().getMessageType(17);
     internal_static_google_cloud_vertexai_v1_MutateDeployedModelOperationMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_MutateDeployedModelOperationMetadata_descriptor,
             new java.lang.String[] {
               "GenericMetadata",
             });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.AnnotationsProto.getDescriptor();
+    com.google.api.ClientProto.getDescriptor();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
+    com.google.cloud.vertexai.api.DeploymentStageProto.getDescriptor();
+    com.google.cloud.vertexai.api.EndpointProto.getDescriptor();
+    com.google.cloud.vertexai.api.OperationProto.getDescriptor();
+    com.google.longrunning.OperationsProto.getDescriptor();
+    com.google.protobuf.EmptyProto.getDescriptor();
+    com.google.protobuf.FieldMaskProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.ClientProto.defaultHost);
@@ -436,15 +465,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     registry.add(com.google.longrunning.OperationsProto.operationInfo);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
-    com.google.api.AnnotationsProto.getDescriptor();
-    com.google.api.ClientProto.getDescriptor();
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.api.ResourceProto.getDescriptor();
-    com.google.cloud.vertexai.api.EndpointProto.getDescriptor();
-    com.google.cloud.vertexai.api.OperationProto.getDescriptor();
-    com.google.longrunning.OperationsProto.getDescriptor();
-    com.google.protobuf.EmptyProto.getDescriptor();
-    com.google.protobuf.FieldMaskProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EnterpriseWebSearch.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EnterpriseWebSearch.java
index 92c5f10031d6..82dd7c45da3b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EnterpriseWebSearch.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EnterpriseWebSearch.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,23 +30,31 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.EnterpriseWebSearch}
  */
-public final class EnterpriseWebSearch extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class EnterpriseWebSearch extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.EnterpriseWebSearch)
     EnterpriseWebSearchOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "EnterpriseWebSearch");
+  }
+
   // Use EnterpriseWebSearch.newBuilder() to construct.
-  private EnterpriseWebSearch(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private EnterpriseWebSearch(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
-  private EnterpriseWebSearch() {}
-
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new EnterpriseWebSearch();
+  private EnterpriseWebSearch() {
+    excludeDomains_ = com.google.protobuf.LazyStringArrayList.emptyList();
+    blockingConfidence_ = 0;
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -54,7 +63,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_EnterpriseWebSearch_fieldAccessorTable
@@ -63,6 +72,143 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
             com.google.cloud.vertexai.api.EnterpriseWebSearch.Builder.class);
   }
 
+  private int bitField0_;
+  public static final int EXCLUDE_DOMAINS_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private com.google.protobuf.LazyStringArrayList excludeDomains_ =
+      com.google.protobuf.LazyStringArrayList.emptyList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of domains to be excluded from the search results.
+   * The default limit is 2000 domains.
+   * </pre>
+   *
+   * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return A list containing the excludeDomains.
+   */
+  public com.google.protobuf.ProtocolStringList getExcludeDomainsList() {
+    return excludeDomains_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of domains to be excluded from the search results.
+   * The default limit is 2000 domains.
+   * </pre>
+   *
+   * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The count of excludeDomains.
+   */
+  public int getExcludeDomainsCount() {
+    return excludeDomains_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of domains to be excluded from the search results.
+   * The default limit is 2000 domains.
+   * </pre>
+   *
+   * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @param index The index of the element to return.
+   * @return The excludeDomains at the given index.
+   */
+  public java.lang.String getExcludeDomains(int index) {
+    return excludeDomains_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of domains to be excluded from the search results.
+   * The default limit is 2000 domains.
+   * </pre>
+   *
+   * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @param index The index of the value to return.
+   * @return The bytes of the excludeDomains at the given index.
+   */
+  public com.google.protobuf.ByteString getExcludeDomainsBytes(int index) {
+    return excludeDomains_.getByteString(index);
+  }
+
+  public static final int BLOCKING_CONFIDENCE_FIELD_NUMBER = 2;
+  private int blockingConfidence_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Sites with confidence level chosen &amp; above this value will be
+   * blocked from the search results.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the blockingConfidence field is set.
+   */
+  @java.lang.Override
+  public boolean hasBlockingConfidence() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Sites with confidence level chosen &amp; above this value will be
+   * blocked from the search results.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for blockingConfidence.
+   */
+  @java.lang.Override
+  public int getBlockingConfidenceValue() {
+    return blockingConfidence_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Sites with confidence level chosen &amp; above this value will be
+   * blocked from the search results.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The blockingConfidence.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.Tool.PhishBlockThreshold getBlockingConfidence() {
+    com.google.cloud.vertexai.api.Tool.PhishBlockThreshold result =
+        com.google.cloud.vertexai.api.Tool.PhishBlockThreshold.forNumber(blockingConfidence_);
+    return result == null
+        ? com.google.cloud.vertexai.api.Tool.PhishBlockThreshold.UNRECOGNIZED
+        : result;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -77,6 +223,12 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    for (int i = 0; i < excludeDomains_.size(); i++) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, excludeDomains_.getRaw(i));
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeEnum(2, blockingConfidence_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -86,6 +238,17 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
+    {
+      int dataSize = 0;
+      for (int i = 0; i < excludeDomains_.size(); i++) {
+        dataSize += computeStringSizeNoTag(excludeDomains_.getRaw(i));
+      }
+      size += dataSize;
+      size += 1 * getExcludeDomainsList().size();
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(2, blockingConfidence_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -102,6 +265,11 @@ public boolean equals(final java.lang.Object obj) {
     com.google.cloud.vertexai.api.EnterpriseWebSearch other =
         (com.google.cloud.vertexai.api.EnterpriseWebSearch) obj;
 
+    if (!getExcludeDomainsList().equals(other.getExcludeDomainsList())) return false;
+    if (hasBlockingConfidence() != other.hasBlockingConfidence()) return false;
+    if (hasBlockingConfidence()) {
+      if (blockingConfidence_ != other.blockingConfidence_) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -113,6 +281,14 @@ public int hashCode() {
     }
     int hash = 41;
     hash = (19 * hash) + getDescriptor().hashCode();
+    if (getExcludeDomainsCount() > 0) {
+      hash = (37 * hash) + EXCLUDE_DOMAINS_FIELD_NUMBER;
+      hash = (53 * hash) + getExcludeDomainsList().hashCode();
+    }
+    if (hasBlockingConfidence()) {
+      hash = (37 * hash) + BLOCKING_CONFIDENCE_FIELD_NUMBER;
+      hash = (53 * hash) + blockingConfidence_;
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -155,38 +331,38 @@ public static com.google.cloud.vertexai.api.EnterpriseWebSearch parseFrom(
 
   public static com.google.cloud.vertexai.api.EnterpriseWebSearch parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.EnterpriseWebSearch parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.EnterpriseWebSearch parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.EnterpriseWebSearch parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.EnterpriseWebSearch parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.EnterpriseWebSearch parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -209,7 +385,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -224,7 +400,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.EnterpriseWebSearch}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.EnterpriseWebSearch)
       com.google.cloud.vertexai.api.EnterpriseWebSearchOrBuilder {
@@ -234,7 +410,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_EnterpriseWebSearch_fieldAccessorTable
@@ -246,13 +422,16 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.EnterpriseWebSearch.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
     @java.lang.Override
     public Builder clear() {
       super.clear();
+      bitField0_ = 0;
+      excludeDomains_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      blockingConfidence_ = 0;
       return this;
     }
 
@@ -280,41 +459,25 @@ public com.google.cloud.vertexai.api.EnterpriseWebSearch build() {
     public com.google.cloud.vertexai.api.EnterpriseWebSearch buildPartial() {
       com.google.cloud.vertexai.api.EnterpriseWebSearch result =
           new com.google.cloud.vertexai.api.EnterpriseWebSearch(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
       onBuilt();
       return result;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
+    private void buildPartial0(com.google.cloud.vertexai.api.EnterpriseWebSearch result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        excludeDomains_.makeImmutable();
+        result.excludeDomains_ = excludeDomains_;
+      }
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.blockingConfidence_ = blockingConfidence_;
+        to_bitField0_ |= 0x00000001;
+      }
+      result.bitField0_ |= to_bitField0_;
     }
 
     @java.lang.Override
@@ -330,6 +493,19 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     public Builder mergeFrom(com.google.cloud.vertexai.api.EnterpriseWebSearch other) {
       if (other == com.google.cloud.vertexai.api.EnterpriseWebSearch.getDefaultInstance())
         return this;
+      if (!other.excludeDomains_.isEmpty()) {
+        if (excludeDomains_.isEmpty()) {
+          excludeDomains_ = other.excludeDomains_;
+          bitField0_ |= 0x00000001;
+        } else {
+          ensureExcludeDomainsIsMutable();
+          excludeDomains_.addAll(other.excludeDomains_);
+        }
+        onChanged();
+      }
+      if (other.hasBlockingConfidence()) {
+        setBlockingConfidenceValue(other.getBlockingConfidenceValue());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -356,6 +532,19 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
+            case 10:
+              {
+                java.lang.String s = input.readStringRequireUtf8();
+                ensureExcludeDomainsIsMutable();
+                excludeDomains_.add(s);
+                break;
+              } // case 10
+            case 16:
+              {
+                blockingConfidence_ = input.readEnum();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 16
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -373,15 +562,330 @@ public Builder mergeFrom(
       return this;
     }
 
+    private int bitField0_;
+
+    private com.google.protobuf.LazyStringArrayList excludeDomains_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+
+    private void ensureExcludeDomainsIsMutable() {
+      if (!excludeDomains_.isModifiable()) {
+        excludeDomains_ = new com.google.protobuf.LazyStringArrayList(excludeDomains_);
+      }
+      bitField0_ |= 0x00000001;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return A list containing the excludeDomains.
+     */
+    public com.google.protobuf.ProtocolStringList getExcludeDomainsList() {
+      excludeDomains_.makeImmutable();
+      return excludeDomains_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The count of excludeDomains.
+     */
+    public int getExcludeDomainsCount() {
+      return excludeDomains_.size();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param index The index of the element to return.
+     * @return The excludeDomains at the given index.
+     */
+    public java.lang.String getExcludeDomains(int index) {
+      return excludeDomains_.get(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the excludeDomains at the given index.
+     */
+    public com.google.protobuf.ByteString getExcludeDomainsBytes(int index) {
+      return excludeDomains_.getByteString(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param index The index to set the value at.
+     * @param value The excludeDomains to set.
+     * @return This builder for chaining.
+     */
+    public Builder setExcludeDomains(int index, java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      ensureExcludeDomainsIsMutable();
+      excludeDomains_.set(index, value);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The excludeDomains to add.
+     * @return This builder for chaining.
+     */
+    public Builder addExcludeDomains(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      ensureExcludeDomainsIsMutable();
+      excludeDomains_.add(value);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param values The excludeDomains to add.
+     * @return This builder for chaining.
+     */
+    public Builder addAllExcludeDomains(java.lang.Iterable<java.lang.String> values) {
+      ensureExcludeDomainsIsMutable();
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, excludeDomains_);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearExcludeDomains() {
+      excludeDomains_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      ;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes of the excludeDomains to add.
+     * @return This builder for chaining.
+     */
+    public Builder addExcludeDomainsBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      ensureExcludeDomainsIsMutable();
+      excludeDomains_.add(value);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private int blockingConfidence_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Sites with confidence level chosen &amp; above this value will be
+     * blocked from the search results.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the blockingConfidence field is set.
+     */
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    public boolean hasBlockingConfidence() {
+      return ((bitField0_ & 0x00000002) != 0);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Sites with confidence level chosen &amp; above this value will be
+     * blocked from the search results.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for blockingConfidence.
+     */
     @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    public int getBlockingConfidenceValue() {
+      return blockingConfidence_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Sites with confidence level chosen &amp; above this value will be
+     * blocked from the search results.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for blockingConfidence to set.
+     * @return This builder for chaining.
+     */
+    public Builder setBlockingConfidenceValue(int value) {
+      blockingConfidence_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Sites with confidence level chosen &amp; above this value will be
+     * blocked from the search results.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The blockingConfidence.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.Tool.PhishBlockThreshold getBlockingConfidence() {
+      com.google.cloud.vertexai.api.Tool.PhishBlockThreshold result =
+          com.google.cloud.vertexai.api.Tool.PhishBlockThreshold.forNumber(blockingConfidence_);
+      return result == null
+          ? com.google.cloud.vertexai.api.Tool.PhishBlockThreshold.UNRECOGNIZED
+          : result;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Sites with confidence level chosen &amp; above this value will be
+     * blocked from the search results.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The blockingConfidence to set.
+     * @return This builder for chaining.
+     */
+    public Builder setBlockingConfidence(
+        com.google.cloud.vertexai.api.Tool.PhishBlockThreshold value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00000002;
+      blockingConfidence_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Sites with confidence level chosen &amp; above this value will be
+     * blocked from the search results.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearBlockingConfidence() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      blockingConfidence_ = 0;
+      onChanged();
+      return this;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.EnterpriseWebSearch)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EnterpriseWebSearchOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EnterpriseWebSearchOrBuilder.java
index 09f9a2030a82..8466e0eab169 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EnterpriseWebSearchOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/EnterpriseWebSearchOrBuilder.java
@@ -14,12 +14,121 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface EnterpriseWebSearchOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.EnterpriseWebSearch)
-    com.google.protobuf.MessageOrBuilder {}
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of domains to be excluded from the search results.
+   * The default limit is 2000 domains.
+   * </pre>
+   *
+   * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return A list containing the excludeDomains.
+   */
+  java.util.List<java.lang.String> getExcludeDomainsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of domains to be excluded from the search results.
+   * The default limit is 2000 domains.
+   * </pre>
+   *
+   * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The count of excludeDomains.
+   */
+  int getExcludeDomainsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of domains to be excluded from the search results.
+   * The default limit is 2000 domains.
+   * </pre>
+   *
+   * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @param index The index of the element to return.
+   * @return The excludeDomains at the given index.
+   */
+  java.lang.String getExcludeDomains(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of domains to be excluded from the search results.
+   * The default limit is 2000 domains.
+   * </pre>
+   *
+   * <code>repeated string exclude_domains = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @param index The index of the value to return.
+   * @return The bytes of the excludeDomains at the given index.
+   */
+  com.google.protobuf.ByteString getExcludeDomainsBytes(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Sites with confidence level chosen &amp; above this value will be
+   * blocked from the search results.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the blockingConfidence field is set.
+   */
+  boolean hasBlockingConfidence();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Sites with confidence level chosen &amp; above this value will be
+   * blocked from the search results.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for blockingConfidence.
+   */
+  int getBlockingConfidenceValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Sites with confidence level chosen &amp; above this value will be
+   * blocked from the search results.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The blockingConfidence.
+   */
+  com.google.cloud.vertexai.api.Tool.PhishBlockThreshold getBlockingConfidence();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Examples.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Examples.java
index cdffbea6f40c..921aca544480 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Examples.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Examples.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,32 +30,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Examples}
  */
-public final class Examples extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Examples extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Examples)
     ExamplesOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Examples");
+  }
+
   // Use Examples.newBuilder() to construct.
-  private Examples(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Examples(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private Examples() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Examples();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_Examples_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_Examples_fieldAccessorTable
@@ -143,14 +149,24 @@ public interface ExampleGcsSourceOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Examples.ExampleGcsSource}
    */
-  public static final class ExampleGcsSource extends com.google.protobuf.GeneratedMessageV3
+  public static final class ExampleGcsSource extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Examples.ExampleGcsSource)
       ExampleGcsSourceOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "ExampleGcsSource");
+    }
+
     // Use ExampleGcsSource.newBuilder() to construct.
-    private ExampleGcsSource(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private ExampleGcsSource(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -158,19 +174,13 @@ private ExampleGcsSource() {
       dataFormat_ = 0;
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new ExampleGcsSource();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_Examples_ExampleGcsSource_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_Examples_ExampleGcsSource_fieldAccessorTable
@@ -212,6 +222,16 @@ public enum DataFormat implements com.google.protobuf.ProtocolMessageEnum {
       UNRECOGNIZED(-1),
       ;
 
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 0,
+            /* suffix= */ "",
+            "DataFormat");
+      }
+
       /**
        *
        *
@@ -290,7 +310,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
         return getDescriptor();
       }
 
-      public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
         return com.google.cloud.vertexai.api.Examples.ExampleGcsSource.getDescriptor()
             .getEnumTypes()
             .get(0);
@@ -533,38 +553,38 @@ public static com.google.cloud.vertexai.api.Examples.ExampleGcsSource parseFrom(
 
     public static com.google.cloud.vertexai.api.Examples.ExampleGcsSource parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.Examples.ExampleGcsSource parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.Examples.ExampleGcsSource parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.Examples.ExampleGcsSource parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.Examples.ExampleGcsSource parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.Examples.ExampleGcsSource parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -588,8 +608,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -603,8 +622,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.Examples.ExampleGcsSource}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Examples.ExampleGcsSource)
         com.google.cloud.vertexai.api.Examples.ExampleGcsSourceOrBuilder {
@@ -614,7 +632,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ExplanationProto
             .internal_static_google_cloud_vertexai_v1_Examples_ExampleGcsSource_fieldAccessorTable
@@ -628,14 +646,14 @@ private Builder() {
         maybeForceBuilderInitialization();
       }
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
         maybeForceBuilderInitialization();
       }
 
       private void maybeForceBuilderInitialization() {
-        if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-          getGcsSourceFieldBuilder();
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+          internalGetGcsSourceFieldBuilder();
         }
       }
 
@@ -696,41 +714,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.Examples.ExampleGcsSour
         result.bitField0_ |= to_bitField0_;
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.Examples.ExampleGcsSource) {
@@ -784,7 +767,8 @@ public Builder mergeFrom(
                 } // case 8
               case 18:
                 {
-                  input.readMessage(getGcsSourceFieldBuilder().getBuilder(), extensionRegistry);
+                  input.readMessage(
+                      internalGetGcsSourceFieldBuilder().getBuilder(), extensionRegistry);
                   bitField0_ |= 0x00000002;
                   break;
                 } // case 18
@@ -917,7 +901,7 @@ public Builder clearDataFormat() {
       }
 
       private com.google.cloud.vertexai.api.GcsSource gcsSource_;
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.GcsSource,
               com.google.cloud.vertexai.api.GcsSource.Builder,
               com.google.cloud.vertexai.api.GcsSourceOrBuilder>
@@ -1062,7 +1046,7 @@ public Builder clearGcsSource() {
       public com.google.cloud.vertexai.api.GcsSource.Builder getGcsSourceBuilder() {
         bitField0_ |= 0x00000002;
         onChanged();
-        return getGcsSourceFieldBuilder().getBuilder();
+        return internalGetGcsSourceFieldBuilder().getBuilder();
       }
 
       /**
@@ -1093,14 +1077,14 @@ public com.google.cloud.vertexai.api.GcsSourceOrBuilder getGcsSourceOrBuilder()
        *
        * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
        */
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.GcsSource,
               com.google.cloud.vertexai.api.GcsSource.Builder,
               com.google.cloud.vertexai.api.GcsSourceOrBuilder>
-          getGcsSourceFieldBuilder() {
+          internalGetGcsSourceFieldBuilder() {
         if (gcsSourceBuilder_ == null) {
           gcsSourceBuilder_ =
-              new com.google.protobuf.SingleFieldBuilderV3<
+              new com.google.protobuf.SingleFieldBuilder<
                   com.google.cloud.vertexai.api.GcsSource,
                   com.google.cloud.vertexai.api.GcsSource.Builder,
                   com.google.cloud.vertexai.api.GcsSourceOrBuilder>(
@@ -1110,18 +1094,6 @@ public com.google.cloud.vertexai.api.GcsSourceOrBuilder getGcsSourceOrBuilder()
         return gcsSourceBuilder_;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Examples.ExampleGcsSource)
     }
 
@@ -1629,38 +1601,38 @@ public static com.google.cloud.vertexai.api.Examples parseFrom(
 
   public static com.google.cloud.vertexai.api.Examples parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Examples parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Examples parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Examples parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Examples parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Examples parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -1683,7 +1655,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -1698,7 +1670,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Examples}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Examples)
       com.google.cloud.vertexai.api.ExamplesOrBuilder {
@@ -1708,7 +1680,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_Examples_fieldAccessorTable
@@ -1720,7 +1692,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.Examples.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -1800,39 +1772,6 @@ private void buildPartialOneofs(com.google.cloud.vertexai.api.Examples result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Examples) {
@@ -1904,7 +1843,8 @@ public Builder mergeFrom(
             case 18:
               {
                 input.readMessage(
-                    getNearestNeighborSearchConfigFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetNearestNeighborSearchConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
                 configCase_ = 2;
                 break;
               } // case 18
@@ -1916,14 +1856,14 @@ public Builder mergeFrom(
               } // case 24
             case 34:
               {
-                input.readMessage(getPresetsFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(internalGetPresetsFieldBuilder().getBuilder(), extensionRegistry);
                 configCase_ = 4;
                 break;
               } // case 34
             case 42:
               {
                 input.readMessage(
-                    getExampleGcsSourceFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetExampleGcsSourceFieldBuilder().getBuilder(), extensionRegistry);
                 sourceCase_ = 5;
                 break;
               } // case 42
@@ -1974,7 +1914,7 @@ public Builder clearConfig() {
 
     private int bitField0_;
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Examples.ExampleGcsSource,
             com.google.cloud.vertexai.api.Examples.ExampleGcsSource.Builder,
             com.google.cloud.vertexai.api.Examples.ExampleGcsSourceOrBuilder>
@@ -2139,7 +2079,7 @@ public Builder clearExampleGcsSource() {
      */
     public com.google.cloud.vertexai.api.Examples.ExampleGcsSource.Builder
         getExampleGcsSourceBuilder() {
-      return getExampleGcsSourceFieldBuilder().getBuilder();
+      return internalGetExampleGcsSourceFieldBuilder().getBuilder();
     }
 
     /**
@@ -2173,17 +2113,17 @@ public Builder clearExampleGcsSource() {
      *
      * <code>.google.cloud.vertexai.v1.Examples.ExampleGcsSource example_gcs_source = 5;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Examples.ExampleGcsSource,
             com.google.cloud.vertexai.api.Examples.ExampleGcsSource.Builder,
             com.google.cloud.vertexai.api.Examples.ExampleGcsSourceOrBuilder>
-        getExampleGcsSourceFieldBuilder() {
+        internalGetExampleGcsSourceFieldBuilder() {
       if (exampleGcsSourceBuilder_ == null) {
         if (!(sourceCase_ == 5)) {
           source_ = com.google.cloud.vertexai.api.Examples.ExampleGcsSource.getDefaultInstance();
         }
         exampleGcsSourceBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Examples.ExampleGcsSource,
                 com.google.cloud.vertexai.api.Examples.ExampleGcsSource.Builder,
                 com.google.cloud.vertexai.api.Examples.ExampleGcsSourceOrBuilder>(
@@ -2197,7 +2137,7 @@ public Builder clearExampleGcsSource() {
       return exampleGcsSourceBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
@@ -2377,7 +2317,7 @@ public Builder clearNearestNeighborSearchConfig() {
      * <code>.google.protobuf.Value nearest_neighbor_search_config = 2;</code>
      */
     public com.google.protobuf.Value.Builder getNearestNeighborSearchConfigBuilder() {
-      return getNearestNeighborSearchConfigFieldBuilder().getBuilder();
+      return internalGetNearestNeighborSearchConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -2416,17 +2356,17 @@ public com.google.protobuf.ValueOrBuilder getNearestNeighborSearchConfigOrBuilde
      *
      * <code>.google.protobuf.Value nearest_neighbor_search_config = 2;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
-        getNearestNeighborSearchConfigFieldBuilder() {
+        internalGetNearestNeighborSearchConfigFieldBuilder() {
       if (nearestNeighborSearchConfigBuilder_ == null) {
         if (!(configCase_ == 2)) {
           config_ = com.google.protobuf.Value.getDefaultInstance();
         }
         nearestNeighborSearchConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Value,
                 com.google.protobuf.Value.Builder,
                 com.google.protobuf.ValueOrBuilder>(
@@ -2438,7 +2378,7 @@ public com.google.protobuf.ValueOrBuilder getNearestNeighborSearchConfigOrBuilde
       return nearestNeighborSearchConfigBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Presets,
             com.google.cloud.vertexai.api.Presets.Builder,
             com.google.cloud.vertexai.api.PresetsOrBuilder>
@@ -2605,7 +2545,7 @@ public Builder clearPresets() {
      * <code>.google.cloud.vertexai.v1.Presets presets = 4;</code>
      */
     public com.google.cloud.vertexai.api.Presets.Builder getPresetsBuilder() {
-      return getPresetsFieldBuilder().getBuilder();
+      return internalGetPresetsFieldBuilder().getBuilder();
     }
 
     /**
@@ -2640,17 +2580,17 @@ public com.google.cloud.vertexai.api.PresetsOrBuilder getPresetsOrBuilder() {
      *
      * <code>.google.cloud.vertexai.v1.Presets presets = 4;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Presets,
             com.google.cloud.vertexai.api.Presets.Builder,
             com.google.cloud.vertexai.api.PresetsOrBuilder>
-        getPresetsFieldBuilder() {
+        internalGetPresetsFieldBuilder() {
       if (presetsBuilder_ == null) {
         if (!(configCase_ == 4)) {
           config_ = com.google.cloud.vertexai.api.Presets.getDefaultInstance();
         }
         presetsBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Presets,
                 com.google.cloud.vertexai.api.Presets.Builder,
                 com.google.cloud.vertexai.api.PresetsOrBuilder>(
@@ -2718,17 +2658,6 @@ public Builder clearNeighborCount() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Examples)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesOrBuilder.java
index 853a231db415..d13dbe20e9cc 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ExamplesOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Examples)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesOverride.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesOverride.java
index 40f072ff1950..b87551f1e25c 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesOverride.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesOverride.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ExamplesOverride}
  */
-public final class ExamplesOverride extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ExamplesOverride extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExamplesOverride)
     ExamplesOverrideOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ExamplesOverride");
+  }
+
   // Use ExamplesOverride.newBuilder() to construct.
-  private ExamplesOverride(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ExamplesOverride(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private ExamplesOverride() {
     dataFormat_ = 0;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ExamplesOverride();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_ExamplesOverride_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_ExamplesOverride_fieldAccessorTable
@@ -108,6 +114,16 @@ public enum DataFormat implements com.google.protobuf.ProtocolMessageEnum {
     UNRECOGNIZED(-1),
     ;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "DataFormat");
+    }
+
     /**
      *
      *
@@ -199,7 +215,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
       return getDescriptor();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ExamplesOverride.getDescriptor().getEnumTypes().get(0);
     }
 
@@ -542,38 +558,38 @@ public static com.google.cloud.vertexai.api.ExamplesOverride parseFrom(
 
   public static com.google.cloud.vertexai.api.ExamplesOverride parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExamplesOverride parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExamplesOverride parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExamplesOverride parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExamplesOverride parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExamplesOverride parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -596,7 +612,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -610,7 +626,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ExamplesOverride}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExamplesOverride)
       com.google.cloud.vertexai.api.ExamplesOverrideOrBuilder {
@@ -620,7 +636,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_ExamplesOverride_fieldAccessorTable
@@ -632,7 +648,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.ExamplesOverride.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -714,39 +730,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ExamplesOverride result
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ExamplesOverride) {
@@ -784,8 +767,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.ExamplesOverride other) {
             restrictions_ = other.restrictions_;
             bitField0_ = (bitField0_ & ~0x00000004);
             restrictionsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getRestrictionsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetRestrictionsFieldBuilder()
                     : null;
           } else {
             restrictionsBuilder_.addAllMessages(other.restrictions_);
@@ -1005,7 +988,7 @@ private void ensureRestrictionsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace,
             com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace.Builder,
             com.google.cloud.vertexai.api.ExamplesRestrictionsNamespaceOrBuilder>
@@ -1286,7 +1269,7 @@ public Builder removeRestrictions(int index) {
      */
     public com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace.Builder
         getRestrictionsBuilder(int index) {
-      return getRestrictionsFieldBuilder().getBuilder(index);
+      return internalGetRestrictionsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1340,7 +1323,7 @@ public Builder removeRestrictions(int index) {
      */
     public com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace.Builder
         addRestrictionsBuilder() {
-      return getRestrictionsFieldBuilder()
+      return internalGetRestrictionsFieldBuilder()
           .addBuilder(
               com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace.getDefaultInstance());
     }
@@ -1357,7 +1340,7 @@ public Builder removeRestrictions(int index) {
      */
     public com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace.Builder
         addRestrictionsBuilder(int index) {
-      return getRestrictionsFieldBuilder()
+      return internalGetRestrictionsFieldBuilder()
           .addBuilder(
               index,
               com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace.getDefaultInstance());
@@ -1375,17 +1358,17 @@ public Builder removeRestrictions(int index) {
      */
     public java.util.List<com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace.Builder>
         getRestrictionsBuilderList() {
-      return getRestrictionsFieldBuilder().getBuilderList();
+      return internalGetRestrictionsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace,
             com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace.Builder,
             com.google.cloud.vertexai.api.ExamplesRestrictionsNamespaceOrBuilder>
-        getRestrictionsFieldBuilder() {
+        internalGetRestrictionsFieldBuilder() {
       if (restrictionsBuilder_ == null) {
         restrictionsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace,
                 com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace.Builder,
                 com.google.cloud.vertexai.api.ExamplesRestrictionsNamespaceOrBuilder>(
@@ -1548,17 +1531,6 @@ public Builder clearDataFormat() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExamplesOverride)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesOverrideOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesOverrideOrBuilder.java
index 1f6990ce9149..a8c32622334e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesOverrideOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesOverrideOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ExamplesOverrideOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ExamplesOverride)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesRestrictionsNamespace.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesRestrictionsNamespace.java
index 4f03174a5ef8..5e4f86b0f10e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesRestrictionsNamespace.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesRestrictionsNamespace.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ExamplesRestrictionsNamespace}
  */
-public final class ExamplesRestrictionsNamespace extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ExamplesRestrictionsNamespace extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExamplesRestrictionsNamespace)
     ExamplesRestrictionsNamespaceOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ExamplesRestrictionsNamespace");
+  }
+
   // Use ExamplesRestrictionsNamespace.newBuilder() to construct.
-  private ExamplesRestrictionsNamespace(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ExamplesRestrictionsNamespace(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,13 @@ private ExamplesRestrictionsNamespace() {
     deny_ = com.google.protobuf.LazyStringArrayList.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ExamplesRestrictionsNamespace();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_ExamplesRestrictionsNamespace_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_ExamplesRestrictionsNamespace_fieldAccessorTable
@@ -269,14 +275,14 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(namespaceName_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, namespaceName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(namespaceName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, namespaceName_);
     }
     for (int i = 0; i < allow_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, allow_.getRaw(i));
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, allow_.getRaw(i));
     }
     for (int i = 0; i < deny_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, deny_.getRaw(i));
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, deny_.getRaw(i));
     }
     getUnknownFields().writeTo(output);
   }
@@ -287,8 +293,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(namespaceName_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, namespaceName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(namespaceName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, namespaceName_);
     }
     {
       int dataSize = 0;
@@ -388,38 +394,38 @@ public static com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace parseF
 
   public static com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -443,7 +449,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -457,7 +463,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ExamplesRestrictionsNamespace}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExamplesRestrictionsNamespace)
       com.google.cloud.vertexai.api.ExamplesRestrictionsNamespaceOrBuilder {
@@ -467,7 +473,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_ExamplesRestrictionsNamespace_fieldAccessorTable
@@ -479,7 +485,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -539,39 +545,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ExamplesRestrictionsNam
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ExamplesRestrictionsNamespace) {
@@ -1152,17 +1125,6 @@ public Builder addDenyBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExamplesRestrictionsNamespace)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesRestrictionsNamespaceOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesRestrictionsNamespaceOrBuilder.java
index 7db5fc4bcbcf..468fe8ec6d48 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesRestrictionsNamespaceOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExamplesRestrictionsNamespaceOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ExamplesRestrictionsNamespaceOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ExamplesRestrictionsNamespace)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExecutableCode.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExecutableCode.java
index 0d9a5cf2989e..96230f75518e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExecutableCode.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExecutableCode.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -32,14 +33,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ExecutableCode}
  */
-public final class ExecutableCode extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ExecutableCode extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExecutableCode)
     ExecutableCodeOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ExecutableCode");
+  }
+
   // Use ExecutableCode.newBuilder() to construct.
-  private ExecutableCode(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ExecutableCode(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -48,19 +60,13 @@ private ExecutableCode() {
     code_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ExecutableCode();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_ExecutableCode_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_ExecutableCode_fieldAccessorTable
@@ -102,6 +108,16 @@ public enum Language implements com.google.protobuf.ProtocolMessageEnum {
     UNRECOGNIZED(-1),
     ;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "Language");
+    }
+
     /**
      *
      *
@@ -180,7 +196,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
       return getDescriptor();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ExecutableCode.getDescriptor().getEnumTypes().get(0);
     }
 
@@ -319,8 +335,8 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
         != com.google.cloud.vertexai.api.ExecutableCode.Language.LANGUAGE_UNSPECIFIED.getNumber()) {
       output.writeEnum(1, language_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(code_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, code_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(code_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, code_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -335,8 +351,8 @@ public int getSerializedSize() {
         != com.google.cloud.vertexai.api.ExecutableCode.Language.LANGUAGE_UNSPECIFIED.getNumber()) {
       size += com.google.protobuf.CodedOutputStream.computeEnumSize(1, language_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(code_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, code_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(code_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, code_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -413,38 +429,38 @@ public static com.google.cloud.vertexai.api.ExecutableCode parseFrom(
 
   public static com.google.cloud.vertexai.api.ExecutableCode parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExecutableCode parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExecutableCode parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExecutableCode parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExecutableCode parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExecutableCode parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -467,7 +483,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -485,7 +501,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ExecutableCode}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExecutableCode)
       com.google.cloud.vertexai.api.ExecutableCodeOrBuilder {
@@ -495,7 +511,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_ExecutableCode_fieldAccessorTable
@@ -507,7 +523,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.ExecutableCode.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -561,39 +577,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ExecutableCode result)
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ExecutableCode) {
@@ -889,17 +872,6 @@ public Builder setCodeBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExecutableCode)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExecutableCodeOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExecutableCodeOrBuilder.java
index 7754327d83c0..b1f4eb134b19 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExecutableCodeOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExecutableCodeOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ExecutableCodeOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ExecutableCode)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainRequest.java
index 20c8ca3264ca..5342bf95e845 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ExplainRequest}
  */
-public final class ExplainRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ExplainRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExplainRequest)
     ExplainRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ExplainRequest");
+  }
+
   // Use ExplainRequest.newBuilder() to construct.
-  private ExplainRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ExplainRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -46,19 +58,13 @@ private ExplainRequest() {
     deployedModelId_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ExplainRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_ExplainRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_ExplainRequest_fieldAccessorTable
@@ -321,10 +327,10 @@ public com.google.protobuf.ValueOrBuilder getParametersOrBuilder() {
    * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
    * of the DeployedModel. Can be used for explaining prediction results with
    * different configurations, such as:
-   *  - Explaining top-5 predictions results as opposed to top-1;
-   *  - Increasing path count or step count of the attribution methods to reduce
-   *    approximate errors;
-   *  - Using different baselines for explaining the prediction results.
+   * - Explaining top-5 predictions results as opposed to top-1;
+   * - Increasing path count or step count of the attribution methods to reduce
+   * approximate errors;
+   * - Using different baselines for explaining the prediction results.
    * </pre>
    *
    * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
@@ -344,10 +350,10 @@ public boolean hasExplanationSpecOverride() {
    * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
    * of the DeployedModel. Can be used for explaining prediction results with
    * different configurations, such as:
-   *  - Explaining top-5 predictions results as opposed to top-1;
-   *  - Increasing path count or step count of the attribution methods to reduce
-   *    approximate errors;
-   *  - Using different baselines for explaining the prediction results.
+   * - Explaining top-5 predictions results as opposed to top-1;
+   * - Increasing path count or step count of the attribution methods to reduce
+   * approximate errors;
+   * - Using different baselines for explaining the prediction results.
    * </pre>
    *
    * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
@@ -369,10 +375,10 @@ public com.google.cloud.vertexai.api.ExplanationSpecOverride getExplanationSpecO
    * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
    * of the DeployedModel. Can be used for explaining prediction results with
    * different configurations, such as:
-   *  - Explaining top-5 predictions results as opposed to top-1;
-   *  - Increasing path count or step count of the attribution methods to reduce
-   *    approximate errors;
-   *  - Using different baselines for explaining the prediction results.
+   * - Explaining top-5 predictions results as opposed to top-1;
+   * - Increasing path count or step count of the attribution methods to reduce
+   * approximate errors;
+   * - Using different baselines for explaining the prediction results.
    * </pre>
    *
    * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
@@ -456,14 +462,14 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
     for (int i = 0; i < instances_.size(); i++) {
       output.writeMessage(2, instances_.get(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(deployedModelId_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, deployedModelId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(deployedModelId_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, deployedModelId_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(4, getParameters());
@@ -480,14 +486,14 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
     for (int i = 0; i < instances_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, instances_.get(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(deployedModelId_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, deployedModelId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(deployedModelId_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, deployedModelId_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getParameters());
@@ -592,38 +598,38 @@ public static com.google.cloud.vertexai.api.ExplainRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.ExplainRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplainRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExplainRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplainRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExplainRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplainRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -646,7 +652,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -661,7 +667,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ExplainRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExplainRequest)
       com.google.cloud.vertexai.api.ExplainRequestOrBuilder {
@@ -671,7 +677,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_ExplainRequest_fieldAccessorTable
@@ -685,16 +691,16 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getInstancesFieldBuilder();
-        getParametersFieldBuilder();
-        getExplanationSpecOverrideFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetInstancesFieldBuilder();
+        internalGetParametersFieldBuilder();
+        internalGetExplanationSpecOverrideFieldBuilder();
       }
     }
 
@@ -791,39 +797,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ExplainRequest result)
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ExplainRequest) {
@@ -860,8 +833,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.ExplainRequest other) {
             instances_ = other.instances_;
             bitField0_ = (bitField0_ & ~0x00000002);
             instancesBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getInstancesFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetInstancesFieldBuilder()
                     : null;
           } else {
             instancesBuilder_.addAllMessages(other.instances_);
@@ -931,14 +904,16 @@ public Builder mergeFrom(
               } // case 26
             case 34:
               {
-                input.readMessage(getParametersFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetParametersFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 34
             case 42:
               {
                 input.readMessage(
-                    getExplanationSpecOverrideFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetExplanationSpecOverrideFieldBuilder().getBuilder(),
+                    extensionRegistry);
                 bitField0_ |= 0x00000008;
                 break;
               } // case 42
@@ -1102,7 +1077,7 @@ private void ensureInstancesIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
@@ -1488,7 +1463,7 @@ public Builder removeInstances(int index) {
      * </code>
      */
     public com.google.protobuf.Value.Builder getInstancesBuilder(int index) {
-      return getInstancesFieldBuilder().getBuilder(index);
+      return internalGetInstancesFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1566,7 +1541,8 @@ public com.google.protobuf.ValueOrBuilder getInstancesOrBuilder(int index) {
      * </code>
      */
     public com.google.protobuf.Value.Builder addInstancesBuilder() {
-      return getInstancesFieldBuilder().addBuilder(com.google.protobuf.Value.getDefaultInstance());
+      return internalGetInstancesFieldBuilder()
+          .addBuilder(com.google.protobuf.Value.getDefaultInstance());
     }
 
     /**
@@ -1589,7 +1565,7 @@ public com.google.protobuf.Value.Builder addInstancesBuilder() {
      * </code>
      */
     public com.google.protobuf.Value.Builder addInstancesBuilder(int index) {
-      return getInstancesFieldBuilder()
+      return internalGetInstancesFieldBuilder()
           .addBuilder(index, com.google.protobuf.Value.getDefaultInstance());
     }
 
@@ -1613,17 +1589,17 @@ public com.google.protobuf.Value.Builder addInstancesBuilder(int index) {
      * </code>
      */
     public java.util.List<com.google.protobuf.Value.Builder> getInstancesBuilderList() {
-      return getInstancesFieldBuilder().getBuilderList();
+      return internalGetInstancesFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
-        getInstancesFieldBuilder() {
+        internalGetInstancesFieldBuilder() {
       if (instancesBuilder_ == null) {
         instancesBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.protobuf.Value,
                 com.google.protobuf.Value.Builder,
                 com.google.protobuf.ValueOrBuilder>(
@@ -1634,7 +1610,7 @@ public java.util.List<com.google.protobuf.Value.Builder> getInstancesBuilderList
     }
 
     private com.google.protobuf.Value parameters_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
@@ -1805,7 +1781,7 @@ public Builder clearParameters() {
     public com.google.protobuf.Value.Builder getParametersBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getParametersFieldBuilder().getBuilder();
+      return internalGetParametersFieldBuilder().getBuilder();
     }
 
     /**
@@ -1842,14 +1818,14 @@ public com.google.protobuf.ValueOrBuilder getParametersOrBuilder() {
      *
      * <code>.google.protobuf.Value parameters = 4;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
-        getParametersFieldBuilder() {
+        internalGetParametersFieldBuilder() {
       if (parametersBuilder_ == null) {
         parametersBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Value,
                 com.google.protobuf.Value.Builder,
                 com.google.protobuf.ValueOrBuilder>(
@@ -1860,7 +1836,7 @@ public com.google.protobuf.ValueOrBuilder getParametersOrBuilder() {
     }
 
     private com.google.cloud.vertexai.api.ExplanationSpecOverride explanationSpecOverride_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExplanationSpecOverride,
             com.google.cloud.vertexai.api.ExplanationSpecOverride.Builder,
             com.google.cloud.vertexai.api.ExplanationSpecOverrideOrBuilder>
@@ -1874,10 +1850,10 @@ public com.google.protobuf.ValueOrBuilder getParametersOrBuilder() {
      * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
      * of the DeployedModel. Can be used for explaining prediction results with
      * different configurations, such as:
-     *  - Explaining top-5 predictions results as opposed to top-1;
-     *  - Increasing path count or step count of the attribution methods to reduce
-     *    approximate errors;
-     *  - Using different baselines for explaining the prediction results.
+     * - Explaining top-5 predictions results as opposed to top-1;
+     * - Increasing path count or step count of the attribution methods to reduce
+     * approximate errors;
+     * - Using different baselines for explaining the prediction results.
      * </pre>
      *
      * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
@@ -1896,10 +1872,10 @@ public boolean hasExplanationSpecOverride() {
      * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
      * of the DeployedModel. Can be used for explaining prediction results with
      * different configurations, such as:
-     *  - Explaining top-5 predictions results as opposed to top-1;
-     *  - Increasing path count or step count of the attribution methods to reduce
-     *    approximate errors;
-     *  - Using different baselines for explaining the prediction results.
+     * - Explaining top-5 predictions results as opposed to top-1;
+     * - Increasing path count or step count of the attribution methods to reduce
+     * approximate errors;
+     * - Using different baselines for explaining the prediction results.
      * </pre>
      *
      * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
@@ -1924,10 +1900,10 @@ public com.google.cloud.vertexai.api.ExplanationSpecOverride getExplanationSpecO
      * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
      * of the DeployedModel. Can be used for explaining prediction results with
      * different configurations, such as:
-     *  - Explaining top-5 predictions results as opposed to top-1;
-     *  - Increasing path count or step count of the attribution methods to reduce
-     *    approximate errors;
-     *  - Using different baselines for explaining the prediction results.
+     * - Explaining top-5 predictions results as opposed to top-1;
+     * - Increasing path count or step count of the attribution methods to reduce
+     * approximate errors;
+     * - Using different baselines for explaining the prediction results.
      * </pre>
      *
      * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
@@ -1955,10 +1931,10 @@ public Builder setExplanationSpecOverride(
      * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
      * of the DeployedModel. Can be used for explaining prediction results with
      * different configurations, such as:
-     *  - Explaining top-5 predictions results as opposed to top-1;
-     *  - Increasing path count or step count of the attribution methods to reduce
-     *    approximate errors;
-     *  - Using different baselines for explaining the prediction results.
+     * - Explaining top-5 predictions results as opposed to top-1;
+     * - Increasing path count or step count of the attribution methods to reduce
+     * approximate errors;
+     * - Using different baselines for explaining the prediction results.
      * </pre>
      *
      * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
@@ -1983,10 +1959,10 @@ public Builder setExplanationSpecOverride(
      * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
      * of the DeployedModel. Can be used for explaining prediction results with
      * different configurations, such as:
-     *  - Explaining top-5 predictions results as opposed to top-1;
-     *  - Increasing path count or step count of the attribution methods to reduce
-     *    approximate errors;
-     *  - Using different baselines for explaining the prediction results.
+     * - Explaining top-5 predictions results as opposed to top-1;
+     * - Increasing path count or step count of the attribution methods to reduce
+     * approximate errors;
+     * - Using different baselines for explaining the prediction results.
      * </pre>
      *
      * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
@@ -2020,10 +1996,10 @@ public Builder mergeExplanationSpecOverride(
      * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
      * of the DeployedModel. Can be used for explaining prediction results with
      * different configurations, such as:
-     *  - Explaining top-5 predictions results as opposed to top-1;
-     *  - Increasing path count or step count of the attribution methods to reduce
-     *    approximate errors;
-     *  - Using different baselines for explaining the prediction results.
+     * - Explaining top-5 predictions results as opposed to top-1;
+     * - Increasing path count or step count of the attribution methods to reduce
+     * approximate errors;
+     * - Using different baselines for explaining the prediction results.
      * </pre>
      *
      * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
@@ -2047,10 +2023,10 @@ public Builder clearExplanationSpecOverride() {
      * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
      * of the DeployedModel. Can be used for explaining prediction results with
      * different configurations, such as:
-     *  - Explaining top-5 predictions results as opposed to top-1;
-     *  - Increasing path count or step count of the attribution methods to reduce
-     *    approximate errors;
-     *  - Using different baselines for explaining the prediction results.
+     * - Explaining top-5 predictions results as opposed to top-1;
+     * - Increasing path count or step count of the attribution methods to reduce
+     * approximate errors;
+     * - Using different baselines for explaining the prediction results.
      * </pre>
      *
      * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
@@ -2059,7 +2035,7 @@ public Builder clearExplanationSpecOverride() {
         getExplanationSpecOverrideBuilder() {
       bitField0_ |= 0x00000008;
       onChanged();
-      return getExplanationSpecOverrideFieldBuilder().getBuilder();
+      return internalGetExplanationSpecOverrideFieldBuilder().getBuilder();
     }
 
     /**
@@ -2070,10 +2046,10 @@ public Builder clearExplanationSpecOverride() {
      * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
      * of the DeployedModel. Can be used for explaining prediction results with
      * different configurations, such as:
-     *  - Explaining top-5 predictions results as opposed to top-1;
-     *  - Increasing path count or step count of the attribution methods to reduce
-     *    approximate errors;
-     *  - Using different baselines for explaining the prediction results.
+     * - Explaining top-5 predictions results as opposed to top-1;
+     * - Increasing path count or step count of the attribution methods to reduce
+     * approximate errors;
+     * - Using different baselines for explaining the prediction results.
      * </pre>
      *
      * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
@@ -2097,22 +2073,22 @@ public Builder clearExplanationSpecOverride() {
      * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
      * of the DeployedModel. Can be used for explaining prediction results with
      * different configurations, such as:
-     *  - Explaining top-5 predictions results as opposed to top-1;
-     *  - Increasing path count or step count of the attribution methods to reduce
-     *    approximate errors;
-     *  - Using different baselines for explaining the prediction results.
+     * - Explaining top-5 predictions results as opposed to top-1;
+     * - Increasing path count or step count of the attribution methods to reduce
+     * approximate errors;
+     * - Using different baselines for explaining the prediction results.
      * </pre>
      *
      * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExplanationSpecOverride,
             com.google.cloud.vertexai.api.ExplanationSpecOverride.Builder,
             com.google.cloud.vertexai.api.ExplanationSpecOverrideOrBuilder>
-        getExplanationSpecOverrideFieldBuilder() {
+        internalGetExplanationSpecOverrideFieldBuilder() {
       if (explanationSpecOverrideBuilder_ == null) {
         explanationSpecOverrideBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.ExplanationSpecOverride,
                 com.google.cloud.vertexai.api.ExplanationSpecOverride.Builder,
                 com.google.cloud.vertexai.api.ExplanationSpecOverrideOrBuilder>(
@@ -2243,17 +2219,6 @@ public Builder setDeployedModelIdBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExplainRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainRequestOrBuilder.java
index 9f743aaa5f76..0bd6bf90afc5 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ExplainRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ExplainRequest)
@@ -215,10 +217,10 @@ public interface ExplainRequestOrBuilder
    * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
    * of the DeployedModel. Can be used for explaining prediction results with
    * different configurations, such as:
-   *  - Explaining top-5 predictions results as opposed to top-1;
-   *  - Increasing path count or step count of the attribution methods to reduce
-   *    approximate errors;
-   *  - Using different baselines for explaining the prediction results.
+   * - Explaining top-5 predictions results as opposed to top-1;
+   * - Increasing path count or step count of the attribution methods to reduce
+   * approximate errors;
+   * - Using different baselines for explaining the prediction results.
    * </pre>
    *
    * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
@@ -235,10 +237,10 @@ public interface ExplainRequestOrBuilder
    * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
    * of the DeployedModel. Can be used for explaining prediction results with
    * different configurations, such as:
-   *  - Explaining top-5 predictions results as opposed to top-1;
-   *  - Increasing path count or step count of the attribution methods to reduce
-   *    approximate errors;
-   *  - Using different baselines for explaining the prediction results.
+   * - Explaining top-5 predictions results as opposed to top-1;
+   * - Increasing path count or step count of the attribution methods to reduce
+   * approximate errors;
+   * - Using different baselines for explaining the prediction results.
    * </pre>
    *
    * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
@@ -255,10 +257,10 @@ public interface ExplainRequestOrBuilder
    * [explanation_spec][google.cloud.aiplatform.v1.DeployedModel.explanation_spec]
    * of the DeployedModel. Can be used for explaining prediction results with
    * different configurations, such as:
-   *  - Explaining top-5 predictions results as opposed to top-1;
-   *  - Increasing path count or step count of the attribution methods to reduce
-   *    approximate errors;
-   *  - Using different baselines for explaining the prediction results.
+   * - Explaining top-5 predictions results as opposed to top-1;
+   * - Increasing path count or step count of the attribution methods to reduce
+   * approximate errors;
+   * - Using different baselines for explaining the prediction results.
    * </pre>
    *
    * <code>.google.cloud.vertexai.v1.ExplanationSpecOverride explanation_spec_override = 5;</code>
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainResponse.java
index bb1404f16751..0c792cfcfe7b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ExplainResponse}
  */
-public final class ExplainResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ExplainResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExplainResponse)
     ExplainResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ExplainResponse");
+  }
+
   // Use ExplainResponse.newBuilder() to construct.
-  private ExplainResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ExplainResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -46,19 +58,13 @@ private ExplainResponse() {
     predictions_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ExplainResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_ExplainResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_ExplainResponse_fieldAccessorTable
@@ -324,8 +330,8 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     for (int i = 0; i < explanations_.size(); i++) {
       output.writeMessage(1, explanations_.get(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(deployedModelId_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, deployedModelId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(deployedModelId_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, deployedModelId_);
     }
     for (int i = 0; i < predictions_.size(); i++) {
       output.writeMessage(3, predictions_.get(i));
@@ -342,8 +348,8 @@ public int getSerializedSize() {
     for (int i = 0; i < explanations_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, explanations_.get(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(deployedModelId_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, deployedModelId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(deployedModelId_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, deployedModelId_);
     }
     for (int i = 0; i < predictions_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, predictions_.get(i));
@@ -430,38 +436,38 @@ public static com.google.cloud.vertexai.api.ExplainResponse parseFrom(
 
   public static com.google.cloud.vertexai.api.ExplainResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplainResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExplainResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplainResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExplainResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplainResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -484,7 +490,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -499,7 +505,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ExplainResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExplainResponse)
       com.google.cloud.vertexai.api.ExplainResponseOrBuilder {
@@ -509,7 +515,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_ExplainResponse_fieldAccessorTable
@@ -521,7 +527,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.ExplainResponse.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -607,39 +613,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ExplainResponse result)
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ExplainResponse) {
@@ -671,8 +644,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.ExplainResponse other) {
             explanations_ = other.explanations_;
             bitField0_ = (bitField0_ & ~0x00000001);
             explanationsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getExplanationsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetExplanationsFieldBuilder()
                     : null;
           } else {
             explanationsBuilder_.addAllMessages(other.explanations_);
@@ -703,8 +676,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.ExplainResponse other) {
             predictions_ = other.predictions_;
             bitField0_ = (bitField0_ & ~0x00000004);
             predictionsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getPredictionsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetPredictionsFieldBuilder()
                     : null;
           } else {
             predictionsBuilder_.addAllMessages(other.predictions_);
@@ -798,7 +771,7 @@ private void ensureExplanationsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Explanation,
             com.google.cloud.vertexai.api.Explanation.Builder,
             com.google.cloud.vertexai.api.ExplanationOrBuilder>
@@ -1123,7 +1096,7 @@ public Builder removeExplanations(int index) {
      * <code>repeated .google.cloud.vertexai.v1.Explanation explanations = 1;</code>
      */
     public com.google.cloud.vertexai.api.Explanation.Builder getExplanationsBuilder(int index) {
-      return getExplanationsFieldBuilder().getBuilder(index);
+      return internalGetExplanationsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1186,7 +1159,7 @@ public com.google.cloud.vertexai.api.ExplanationOrBuilder getExplanationsOrBuild
      * <code>repeated .google.cloud.vertexai.v1.Explanation explanations = 1;</code>
      */
     public com.google.cloud.vertexai.api.Explanation.Builder addExplanationsBuilder() {
-      return getExplanationsFieldBuilder()
+      return internalGetExplanationsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Explanation.getDefaultInstance());
     }
 
@@ -1205,7 +1178,7 @@ public com.google.cloud.vertexai.api.Explanation.Builder addExplanationsBuilder(
      * <code>repeated .google.cloud.vertexai.v1.Explanation explanations = 1;</code>
      */
     public com.google.cloud.vertexai.api.Explanation.Builder addExplanationsBuilder(int index) {
-      return getExplanationsFieldBuilder()
+      return internalGetExplanationsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Explanation.getDefaultInstance());
     }
 
@@ -1225,17 +1198,17 @@ public com.google.cloud.vertexai.api.Explanation.Builder addExplanationsBuilder(
      */
     public java.util.List<com.google.cloud.vertexai.api.Explanation.Builder>
         getExplanationsBuilderList() {
-      return getExplanationsFieldBuilder().getBuilderList();
+      return internalGetExplanationsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Explanation,
             com.google.cloud.vertexai.api.Explanation.Builder,
             com.google.cloud.vertexai.api.ExplanationOrBuilder>
-        getExplanationsFieldBuilder() {
+        internalGetExplanationsFieldBuilder() {
       if (explanationsBuilder_ == null) {
         explanationsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Explanation,
                 com.google.cloud.vertexai.api.Explanation.Builder,
                 com.google.cloud.vertexai.api.ExplanationOrBuilder>(
@@ -1366,7 +1339,7 @@ private void ensurePredictionsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
@@ -1649,7 +1622,7 @@ public Builder removePredictions(int index) {
      * <code>repeated .google.protobuf.Value predictions = 3;</code>
      */
     public com.google.protobuf.Value.Builder getPredictionsBuilder(int index) {
-      return getPredictionsFieldBuilder().getBuilder(index);
+      return internalGetPredictionsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1703,7 +1676,7 @@ public com.google.protobuf.ValueOrBuilder getPredictionsOrBuilder(int index) {
      * <code>repeated .google.protobuf.Value predictions = 3;</code>
      */
     public com.google.protobuf.Value.Builder addPredictionsBuilder() {
-      return getPredictionsFieldBuilder()
+      return internalGetPredictionsFieldBuilder()
           .addBuilder(com.google.protobuf.Value.getDefaultInstance());
     }
 
@@ -1719,7 +1692,7 @@ public com.google.protobuf.Value.Builder addPredictionsBuilder() {
      * <code>repeated .google.protobuf.Value predictions = 3;</code>
      */
     public com.google.protobuf.Value.Builder addPredictionsBuilder(int index) {
-      return getPredictionsFieldBuilder()
+      return internalGetPredictionsFieldBuilder()
           .addBuilder(index, com.google.protobuf.Value.getDefaultInstance());
     }
 
@@ -1735,17 +1708,17 @@ public com.google.protobuf.Value.Builder addPredictionsBuilder(int index) {
      * <code>repeated .google.protobuf.Value predictions = 3;</code>
      */
     public java.util.List<com.google.protobuf.Value.Builder> getPredictionsBuilderList() {
-      return getPredictionsFieldBuilder().getBuilderList();
+      return internalGetPredictionsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
-        getPredictionsFieldBuilder() {
+        internalGetPredictionsFieldBuilder() {
       if (predictionsBuilder_ == null) {
         predictionsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.protobuf.Value,
                 com.google.protobuf.Value.Builder,
                 com.google.protobuf.ValueOrBuilder>(
@@ -1755,17 +1728,6 @@ public java.util.List<com.google.protobuf.Value.Builder> getPredictionsBuilderLi
       return predictionsBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExplainResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainResponseOrBuilder.java
index 074833444186..93aae4403237 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplainResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ExplainResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ExplainResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Explanation.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Explanation.java
index de4be16cfad1..1764b5bdfee6 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Explanation.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Explanation.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -31,14 +32,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Explanation}
  */
-public final class Explanation extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Explanation extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Explanation)
     ExplanationOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Explanation");
+  }
+
   // Use Explanation.newBuilder() to construct.
-  private Explanation(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Explanation(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -47,19 +59,13 @@ private Explanation() {
     neighbors_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Explanation();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_Explanation_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_Explanation_fieldAccessorTable
@@ -499,38 +505,38 @@ public static com.google.cloud.vertexai.api.Explanation parseFrom(
 
   public static com.google.cloud.vertexai.api.Explanation parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Explanation parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Explanation parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Explanation parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Explanation parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Explanation parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -553,7 +559,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -570,7 +576,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Explanation}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Explanation)
       com.google.cloud.vertexai.api.ExplanationOrBuilder {
@@ -580,7 +586,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_Explanation_fieldAccessorTable
@@ -592,7 +598,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.Explanation.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -674,39 +680,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.Explanation result) {
       int from_bitField0_ = bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Explanation) {
@@ -738,8 +711,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Explanation other) {
             attributions_ = other.attributions_;
             bitField0_ = (bitField0_ & ~0x00000001);
             attributionsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getAttributionsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetAttributionsFieldBuilder()
                     : null;
           } else {
             attributionsBuilder_.addAllMessages(other.attributions_);
@@ -765,8 +738,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Explanation other) {
             neighbors_ = other.neighbors_;
             bitField0_ = (bitField0_ & ~0x00000002);
             neighborsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getNeighborsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetNeighborsFieldBuilder()
                     : null;
           } else {
             neighborsBuilder_.addAllMessages(other.neighbors_);
@@ -855,7 +828,7 @@ private void ensureAttributionsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Attribution,
             com.google.cloud.vertexai.api.Attribution.Builder,
             com.google.cloud.vertexai.api.AttributionOrBuilder>
@@ -1479,7 +1452,7 @@ public Builder removeAttributions(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Attribution.Builder getAttributionsBuilder(int index) {
-      return getAttributionsFieldBuilder().getBuilder(index);
+      return internalGetAttributionsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1611,7 +1584,7 @@ public com.google.cloud.vertexai.api.AttributionOrBuilder getAttributionsOrBuild
      * </code>
      */
     public com.google.cloud.vertexai.api.Attribution.Builder addAttributionsBuilder() {
-      return getAttributionsFieldBuilder()
+      return internalGetAttributionsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Attribution.getDefaultInstance());
     }
 
@@ -1653,7 +1626,7 @@ public com.google.cloud.vertexai.api.Attribution.Builder addAttributionsBuilder(
      * </code>
      */
     public com.google.cloud.vertexai.api.Attribution.Builder addAttributionsBuilder(int index) {
-      return getAttributionsFieldBuilder()
+      return internalGetAttributionsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Attribution.getDefaultInstance());
     }
 
@@ -1696,17 +1669,17 @@ public com.google.cloud.vertexai.api.Attribution.Builder addAttributionsBuilder(
      */
     public java.util.List<com.google.cloud.vertexai.api.Attribution.Builder>
         getAttributionsBuilderList() {
-      return getAttributionsFieldBuilder().getBuilderList();
+      return internalGetAttributionsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Attribution,
             com.google.cloud.vertexai.api.Attribution.Builder,
             com.google.cloud.vertexai.api.AttributionOrBuilder>
-        getAttributionsFieldBuilder() {
+        internalGetAttributionsFieldBuilder() {
       if (attributionsBuilder_ == null) {
         attributionsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Attribution,
                 com.google.cloud.vertexai.api.Attribution.Builder,
                 com.google.cloud.vertexai.api.AttributionOrBuilder>(
@@ -1726,7 +1699,7 @@ private void ensureNeighborsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Neighbor,
             com.google.cloud.vertexai.api.Neighbor.Builder,
             com.google.cloud.vertexai.api.NeighborOrBuilder>
@@ -2050,7 +2023,7 @@ public Builder removeNeighbors(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Neighbor.Builder getNeighborsBuilder(int index) {
-      return getNeighborsFieldBuilder().getBuilder(index);
+      return internalGetNeighborsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -2113,7 +2086,7 @@ public com.google.cloud.vertexai.api.NeighborOrBuilder getNeighborsOrBuilder(int
      * </code>
      */
     public com.google.cloud.vertexai.api.Neighbor.Builder addNeighborsBuilder() {
-      return getNeighborsFieldBuilder()
+      return internalGetNeighborsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Neighbor.getDefaultInstance());
     }
 
@@ -2132,7 +2105,7 @@ public com.google.cloud.vertexai.api.Neighbor.Builder addNeighborsBuilder() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Neighbor.Builder addNeighborsBuilder(int index) {
-      return getNeighborsFieldBuilder()
+      return internalGetNeighborsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Neighbor.getDefaultInstance());
     }
 
@@ -2152,17 +2125,17 @@ public com.google.cloud.vertexai.api.Neighbor.Builder addNeighborsBuilder(int in
      */
     public java.util.List<com.google.cloud.vertexai.api.Neighbor.Builder>
         getNeighborsBuilderList() {
-      return getNeighborsFieldBuilder().getBuilderList();
+      return internalGetNeighborsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Neighbor,
             com.google.cloud.vertexai.api.Neighbor.Builder,
             com.google.cloud.vertexai.api.NeighborOrBuilder>
-        getNeighborsFieldBuilder() {
+        internalGetNeighborsFieldBuilder() {
       if (neighborsBuilder_ == null) {
         neighborsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Neighbor,
                 com.google.cloud.vertexai.api.Neighbor.Builder,
                 com.google.cloud.vertexai.api.NeighborOrBuilder>(
@@ -2172,17 +2145,6 @@ public com.google.cloud.vertexai.api.Neighbor.Builder addNeighborsBuilder(int in
       return neighborsBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Explanation)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadata.java
index b8b43514e0dc..bdd5528b9125 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadata.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadata.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation_metadata.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ExplanationMetadata}
  */
-public final class ExplanationMetadata extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ExplanationMetadata extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExplanationMetadata)
     ExplanationMetadataOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ExplanationMetadata");
+  }
+
   // Use ExplanationMetadata.newBuilder() to construct.
-  private ExplanationMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ExplanationMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,12 +56,6 @@ private ExplanationMetadata() {
     latentSpaceSource_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ExplanationMetadata();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationMetadataProto
         .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_descriptor;
@@ -70,7 +76,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldRefl
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationMetadataProto
         .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_fieldAccessorTable
@@ -701,14 +707,24 @@ public interface InputMetadataOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata}
    */
-  public static final class InputMetadata extends com.google.protobuf.GeneratedMessageV3
+  public static final class InputMetadata extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata)
       InputMetadataOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "InputMetadata");
+    }
+
     // Use InputMetadata.newBuilder() to construct.
-    private InputMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private InputMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -725,19 +741,13 @@ private InputMetadata() {
       groupName_ = "";
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new InputMetadata();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ExplanationMetadataProto
           .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationMetadataProto
           .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_fieldAccessorTable
@@ -857,10 +867,10 @@ public enum Encoding implements com.google.protobuf.ProtocolMessageEnum {
        * ```
        * input = ["This", "is", "a", "test", "."]
        * encoded = [[0.1, 0.2, 0.3, 0.4, 0.5],
-       *            [0.2, 0.1, 0.4, 0.3, 0.5],
-       *            [0.5, 0.1, 0.3, 0.5, 0.4],
-       *            [0.5, 0.3, 0.1, 0.2, 0.4],
-       *            [0.4, 0.3, 0.2, 0.5, 0.1]]
+       * [0.2, 0.1, 0.4, 0.3, 0.5],
+       * [0.5, 0.1, 0.3, 0.5, 0.4],
+       * [0.5, 0.3, 0.1, 0.2, 0.4],
+       * [0.4, 0.3, 0.2, 0.5, 0.1]]
        * ```
        * </pre>
        *
@@ -870,6 +880,16 @@ public enum Encoding implements com.google.protobuf.ProtocolMessageEnum {
       UNRECOGNIZED(-1),
       ;
 
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 0,
+            /* suffix= */ "",
+            "Encoding");
+      }
+
       /**
        *
        *
@@ -977,10 +997,10 @@ public enum Encoding implements com.google.protobuf.ProtocolMessageEnum {
        * ```
        * input = ["This", "is", "a", "test", "."]
        * encoded = [[0.1, 0.2, 0.3, 0.4, 0.5],
-       *            [0.2, 0.1, 0.4, 0.3, 0.5],
-       *            [0.5, 0.1, 0.3, 0.5, 0.4],
-       *            [0.5, 0.3, 0.1, 0.2, 0.4],
-       *            [0.4, 0.3, 0.2, 0.5, 0.1]]
+       * [0.2, 0.1, 0.4, 0.3, 0.5],
+       * [0.5, 0.1, 0.3, 0.5, 0.4],
+       * [0.5, 0.3, 0.1, 0.2, 0.4],
+       * [0.4, 0.3, 0.2, 0.5, 0.1]]
        * ```
        * </pre>
        *
@@ -1054,7 +1074,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
         return getDescriptor();
       }
 
-      public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
         return com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.getDescriptor()
             .getEnumTypes()
             .get(0);
@@ -1160,32 +1180,36 @@ public interface FeatureValueDomainOrBuilder
      * Protobuf type {@code
      * google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata.FeatureValueDomain}
      */
-    public static final class FeatureValueDomain extends com.google.protobuf.GeneratedMessageV3
+    public static final class FeatureValueDomain extends com.google.protobuf.GeneratedMessage
         implements
         // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata.FeatureValueDomain)
         FeatureValueDomainOrBuilder {
       private static final long serialVersionUID = 0L;
 
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 0,
+            /* suffix= */ "",
+            "FeatureValueDomain");
+      }
+
       // Use FeatureValueDomain.newBuilder() to construct.
-      private FeatureValueDomain(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      private FeatureValueDomain(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
         super(builder);
       }
 
       private FeatureValueDomain() {}
 
-      @java.lang.Override
-      @SuppressWarnings({"unused"})
-      protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-        return new FeatureValueDomain();
-      }
-
       public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         return com.google.cloud.vertexai.api.ExplanationMetadataProto
             .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_FeatureValueDomain_descriptor;
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ExplanationMetadataProto
             .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_FeatureValueDomain_fieldAccessorTable
@@ -1421,7 +1445,7 @@ public int hashCode() {
       public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata
               .FeatureValueDomain
           parseFrom(java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata
@@ -1430,14 +1454,14 @@ public int hashCode() {
               java.io.InputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
             PARSER, input, extensionRegistry);
       }
 
       public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata
               .FeatureValueDomain
           parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata
@@ -1446,14 +1470,14 @@ public int hashCode() {
               java.io.InputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
             PARSER, input, extensionRegistry);
       }
 
       public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata
               .FeatureValueDomain
           parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata
@@ -1462,7 +1486,7 @@ public int hashCode() {
               com.google.protobuf.CodedInputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
             PARSER, input, extensionRegistry);
       }
 
@@ -1488,7 +1512,7 @@ public Builder toBuilder() {
 
       @java.lang.Override
       protected Builder newBuilderForType(
-          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         Builder builder = new Builder(parent);
         return builder;
       }
@@ -1511,7 +1535,7 @@ protected Builder newBuilderForType(
        * google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata.FeatureValueDomain}
        */
       public static final class Builder
-          extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+          extends com.google.protobuf.GeneratedMessage.Builder<Builder>
           implements
           // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata.FeatureValueDomain)
           com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata
@@ -1522,7 +1546,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         }
 
         @java.lang.Override
-        protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
             internalGetFieldAccessorTable() {
           return com.google.cloud.vertexai.api.ExplanationMetadataProto
               .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_FeatureValueDomain_fieldAccessorTable
@@ -1537,7 +1561,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         // com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.FeatureValueDomain.newBuilder()
         private Builder() {}
 
-        private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
           super(parent);
         }
 
@@ -1608,41 +1632,6 @@ private void buildPartial0(
           }
         }
 
-        @java.lang.Override
-        public Builder clone() {
-          return super.clone();
-        }
-
-        @java.lang.Override
-        public Builder setField(
-            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-          return super.setField(field, value);
-        }
-
-        @java.lang.Override
-        public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-          return super.clearField(field);
-        }
-
-        @java.lang.Override
-        public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-          return super.clearOneof(oneof);
-        }
-
-        @java.lang.Override
-        public Builder setRepeatedField(
-            com.google.protobuf.Descriptors.FieldDescriptor field,
-            int index,
-            java.lang.Object value) {
-          return super.setRepeatedField(field, index, value);
-        }
-
-        @java.lang.Override
-        public Builder addRepeatedField(
-            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-          return super.addRepeatedField(field, value);
-        }
-
         @java.lang.Override
         public Builder mergeFrom(com.google.protobuf.Message other) {
           if (other
@@ -1663,16 +1652,16 @@ public Builder mergeFrom(
           if (other
               == com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.FeatureValueDomain
                   .getDefaultInstance()) return this;
-          if (other.getMinValue() != 0F) {
+          if (java.lang.Float.floatToRawIntBits(other.getMinValue()) != 0) {
             setMinValue(other.getMinValue());
           }
-          if (other.getMaxValue() != 0F) {
+          if (java.lang.Float.floatToRawIntBits(other.getMaxValue()) != 0) {
             setMaxValue(other.getMaxValue());
           }
-          if (other.getOriginalMean() != 0F) {
+          if (java.lang.Float.floatToRawIntBits(other.getOriginalMean()) != 0) {
             setOriginalMean(other.getOriginalMean());
           }
-          if (other.getOriginalStddev() != 0F) {
+          if (java.lang.Float.floatToRawIntBits(other.getOriginalStddev()) != 0) {
             setOriginalStddev(other.getOriginalStddev());
           }
           this.mergeUnknownFields(other.getUnknownFields());
@@ -1980,18 +1969,6 @@ public Builder clearOriginalStddev() {
           return this;
         }
 
-        @java.lang.Override
-        public final Builder setUnknownFields(
-            final com.google.protobuf.UnknownFieldSet unknownFields) {
-          return super.setUnknownFields(unknownFields);
-        }
-
-        @java.lang.Override
-        public final Builder mergeUnknownFields(
-            final com.google.protobuf.UnknownFieldSet unknownFields) {
-          return super.mergeUnknownFields(unknownFields);
-        }
-
         // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata.FeatureValueDomain)
       }
 
@@ -2257,14 +2234,24 @@ public interface VisualizationOrBuilder
      * Protobuf type {@code
      * google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata.Visualization}
      */
-    public static final class Visualization extends com.google.protobuf.GeneratedMessageV3
+    public static final class Visualization extends com.google.protobuf.GeneratedMessage
         implements
         // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata.Visualization)
         VisualizationOrBuilder {
       private static final long serialVersionUID = 0L;
 
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 0,
+            /* suffix= */ "",
+            "Visualization");
+      }
+
       // Use Visualization.newBuilder() to construct.
-      private Visualization(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      private Visualization(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
         super(builder);
       }
 
@@ -2275,19 +2262,13 @@ private Visualization() {
         overlayType_ = 0;
       }
 
-      @java.lang.Override
-      @SuppressWarnings({"unused"})
-      protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-        return new Visualization();
-      }
-
       public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         return com.google.cloud.vertexai.api.ExplanationMetadataProto
             .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_Visualization_descriptor;
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ExplanationMetadataProto
             .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_Visualization_fieldAccessorTable
@@ -2344,6 +2325,16 @@ public enum Type implements com.google.protobuf.ProtocolMessageEnum {
         UNRECOGNIZED(-1),
         ;
 
+        static {
+          com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+              com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+              /* major= */ 4,
+              /* minor= */ 33,
+              /* patch= */ 0,
+              /* suffix= */ "",
+              "Type");
+        }
+
         /**
          *
          *
@@ -2436,7 +2427,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
           return getDescriptor();
         }
 
-        public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+        public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
           return com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization
               .getDescriptor()
               .getEnumTypes()
@@ -2522,6 +2513,16 @@ public enum Polarity implements com.google.protobuf.ProtocolMessageEnum {
         UNRECOGNIZED(-1),
         ;
 
+        static {
+          com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+              com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+              /* major= */ 4,
+              /* minor= */ 33,
+              /* patch= */ 0,
+              /* suffix= */ "",
+              "Polarity");
+        }
+
         /**
          *
          *
@@ -2628,7 +2629,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
           return getDescriptor();
         }
 
-        public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+        public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
           return com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization
               .getDescriptor()
               .getEnumTypes()
@@ -2743,6 +2744,16 @@ public enum ColorMap implements com.google.protobuf.ProtocolMessageEnum {
         UNRECOGNIZED(-1),
         ;
 
+        static {
+          com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+              com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+              /* major= */ 4,
+              /* minor= */ 33,
+              /* patch= */ 0,
+              /* suffix= */ "",
+              "ColorMap");
+        }
+
         /**
          *
          *
@@ -2888,7 +2899,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
           return getDescriptor();
         }
 
-        public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+        public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
           return com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization
               .getDescriptor()
               .getEnumTypes()
@@ -2983,6 +2994,16 @@ public enum OverlayType implements com.google.protobuf.ProtocolMessageEnum {
         UNRECOGNIZED(-1),
         ;
 
+        static {
+          com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+              com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+              /* major= */ 4,
+              /* minor= */ 33,
+              /* patch= */ 0,
+              /* suffix= */ "",
+              "OverlayType");
+        }
+
         /**
          *
          *
@@ -3103,7 +3124,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
           return getDescriptor();
         }
 
-        public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+        public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
           return com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization
               .getDescriptor()
               .getEnumTypes()
@@ -3577,7 +3598,7 @@ public int hashCode() {
 
       public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization
           parseFrom(java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization
@@ -3585,13 +3606,13 @@ public int hashCode() {
               java.io.InputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
             PARSER, input, extensionRegistry);
       }
 
       public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization
           parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization
@@ -3599,13 +3620,13 @@ public int hashCode() {
               java.io.InputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
             PARSER, input, extensionRegistry);
       }
 
       public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization
           parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization
@@ -3613,7 +3634,7 @@ public int hashCode() {
               com.google.protobuf.CodedInputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
             PARSER, input, extensionRegistry);
       }
 
@@ -3638,7 +3659,7 @@ public Builder toBuilder() {
 
       @java.lang.Override
       protected Builder newBuilderForType(
-          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         Builder builder = new Builder(parent);
         return builder;
       }
@@ -3654,7 +3675,7 @@ protected Builder newBuilderForType(
        * google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata.Visualization}
        */
       public static final class Builder
-          extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+          extends com.google.protobuf.GeneratedMessage.Builder<Builder>
           implements
           // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata.Visualization)
           com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.VisualizationOrBuilder {
@@ -3664,7 +3685,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         }
 
         @java.lang.Override
-        protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
             internalGetFieldAccessorTable() {
           return com.google.cloud.vertexai.api.ExplanationMetadataProto
               .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_Visualization_fieldAccessorTable
@@ -3679,7 +3700,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         // com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization.newBuilder()
         private Builder() {}
 
-        private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
           super(parent);
         }
 
@@ -3756,41 +3777,6 @@ private void buildPartial0(
           }
         }
 
-        @java.lang.Override
-        public Builder clone() {
-          return super.clone();
-        }
-
-        @java.lang.Override
-        public Builder setField(
-            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-          return super.setField(field, value);
-        }
-
-        @java.lang.Override
-        public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-          return super.clearField(field);
-        }
-
-        @java.lang.Override
-        public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-          return super.clearOneof(oneof);
-        }
-
-        @java.lang.Override
-        public Builder setRepeatedField(
-            com.google.protobuf.Descriptors.FieldDescriptor field,
-            int index,
-            java.lang.Object value) {
-          return super.setRepeatedField(field, index, value);
-        }
-
-        @java.lang.Override
-        public Builder addRepeatedField(
-            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-          return super.addRepeatedField(field, value);
-        }
-
         @java.lang.Override
         public Builder mergeFrom(com.google.protobuf.Message other) {
           if (other
@@ -3819,10 +3805,10 @@ public Builder mergeFrom(
           if (other.colorMap_ != 0) {
             setColorMapValue(other.getColorMapValue());
           }
-          if (other.getClipPercentUpperbound() != 0F) {
+          if (java.lang.Float.floatToRawIntBits(other.getClipPercentUpperbound()) != 0) {
             setClipPercentUpperbound(other.getClipPercentUpperbound());
           }
-          if (other.getClipPercentLowerbound() != 0F) {
+          if (java.lang.Float.floatToRawIntBits(other.getClipPercentLowerbound()) != 0) {
             setClipPercentLowerbound(other.getClipPercentLowerbound());
           }
           if (other.overlayType_ != 0) {
@@ -4582,18 +4568,6 @@ public Builder clearOverlayType() {
           return this;
         }
 
-        @java.lang.Override
-        public final Builder setUnknownFields(
-            final com.google.protobuf.UnknownFieldSet unknownFields) {
-          return super.setUnknownFields(unknownFields);
-        }
-
-        @java.lang.Override
-        public final Builder mergeUnknownFields(
-            final com.google.protobuf.UnknownFieldSet unknownFields) {
-          return super.mergeUnknownFields(unknownFields);
-        }
-
         // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata.Visualization)
       }
 
@@ -5542,8 +5516,8 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
       for (int i = 0; i < inputBaselines_.size(); i++) {
         output.writeMessage(1, inputBaselines_.get(i));
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(inputTensorName_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, inputTensorName_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(inputTensorName_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 2, inputTensorName_);
       }
       if (encoding_
           != com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Encoding
@@ -5551,24 +5525,23 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
               .getNumber()) {
         output.writeEnum(3, encoding_);
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(modality_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 4, modality_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modality_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 4, modality_);
       }
       if (((bitField0_ & 0x00000001) != 0)) {
         output.writeMessage(5, getFeatureValueDomain());
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(indicesTensorName_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 6, indicesTensorName_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(indicesTensorName_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 6, indicesTensorName_);
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(denseShapeTensorName_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 7, denseShapeTensorName_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(denseShapeTensorName_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 7, denseShapeTensorName_);
       }
       for (int i = 0; i < indexFeatureMapping_.size(); i++) {
-        com.google.protobuf.GeneratedMessageV3.writeString(
-            output, 8, indexFeatureMapping_.getRaw(i));
+        com.google.protobuf.GeneratedMessage.writeString(output, 8, indexFeatureMapping_.getRaw(i));
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(encodedTensorName_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 9, encodedTensorName_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(encodedTensorName_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 9, encodedTensorName_);
       }
       for (int i = 0; i < encodedBaselines_.size(); i++) {
         output.writeMessage(10, encodedBaselines_.get(i));
@@ -5576,8 +5549,8 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
       if (((bitField0_ & 0x00000002) != 0)) {
         output.writeMessage(11, getVisualization());
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(groupName_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 12, groupName_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(groupName_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 12, groupName_);
       }
       getUnknownFields().writeTo(output);
     }
@@ -5591,8 +5564,8 @@ public int getSerializedSize() {
       for (int i = 0; i < inputBaselines_.size(); i++) {
         size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, inputBaselines_.get(i));
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(inputTensorName_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, inputTensorName_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(inputTensorName_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(2, inputTensorName_);
       }
       if (encoding_
           != com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Encoding
@@ -5600,18 +5573,18 @@ public int getSerializedSize() {
               .getNumber()) {
         size += com.google.protobuf.CodedOutputStream.computeEnumSize(3, encoding_);
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(modality_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, modality_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modality_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(4, modality_);
       }
       if (((bitField0_ & 0x00000001) != 0)) {
         size +=
             com.google.protobuf.CodedOutputStream.computeMessageSize(5, getFeatureValueDomain());
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(indicesTensorName_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(6, indicesTensorName_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(indicesTensorName_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(6, indicesTensorName_);
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(denseShapeTensorName_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(7, denseShapeTensorName_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(denseShapeTensorName_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(7, denseShapeTensorName_);
       }
       {
         int dataSize = 0;
@@ -5621,8 +5594,8 @@ public int getSerializedSize() {
         size += dataSize;
         size += 1 * getIndexFeatureMappingList().size();
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(encodedTensorName_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(9, encodedTensorName_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(encodedTensorName_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(9, encodedTensorName_);
       }
       for (int i = 0; i < encodedBaselines_.size(); i++) {
         size +=
@@ -5631,8 +5604,8 @@ public int getSerializedSize() {
       if (((bitField0_ & 0x00000002) != 0)) {
         size += com.google.protobuf.CodedOutputStream.computeMessageSize(11, getVisualization());
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(groupName_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(12, groupName_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(groupName_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(12, groupName_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSize = size;
@@ -5755,39 +5728,39 @@ public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata pa
 
     public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata
         parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata
         parseDelimitedFrom(
             java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
             throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -5811,8 +5784,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -5831,8 +5803,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata)
         com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadataOrBuilder {
@@ -5842,7 +5813,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ExplanationMetadataProto
             .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_fieldAccessorTable
@@ -5857,17 +5828,17 @@ private Builder() {
         maybeForceBuilderInitialization();
       }
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
         maybeForceBuilderInitialization();
       }
 
       private void maybeForceBuilderInitialization() {
-        if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-          getInputBaselinesFieldBuilder();
-          getFeatureValueDomainFieldBuilder();
-          getEncodedBaselinesFieldBuilder();
-          getVisualizationFieldBuilder();
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+          internalGetInputBaselinesFieldBuilder();
+          internalGetFeatureValueDomainFieldBuilder();
+          internalGetEncodedBaselinesFieldBuilder();
+          internalGetVisualizationFieldBuilder();
         }
       }
 
@@ -6009,41 +5980,6 @@ private void buildPartial0(
         result.bitField0_ |= to_bitField0_;
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata) {
@@ -6078,8 +6014,8 @@ public Builder mergeFrom(
               inputBaselines_ = other.inputBaselines_;
               bitField0_ = (bitField0_ & ~0x00000001);
               inputBaselinesBuilder_ =
-                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                      ? getInputBaselinesFieldBuilder()
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetInputBaselinesFieldBuilder()
                       : null;
             } else {
               inputBaselinesBuilder_.addAllMessages(other.inputBaselines_);
@@ -6146,8 +6082,8 @@ public Builder mergeFrom(
               encodedBaselines_ = other.encodedBaselines_;
               bitField0_ = (bitField0_ & ~0x00000200);
               encodedBaselinesBuilder_ =
-                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                      ? getEncodedBaselinesFieldBuilder()
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetEncodedBaselinesFieldBuilder()
                       : null;
             } else {
               encodedBaselinesBuilder_.addAllMessages(other.encodedBaselines_);
@@ -6221,7 +6157,7 @@ public Builder mergeFrom(
               case 42:
                 {
                   input.readMessage(
-                      getFeatureValueDomainFieldBuilder().getBuilder(), extensionRegistry);
+                      internalGetFeatureValueDomainFieldBuilder().getBuilder(), extensionRegistry);
                   bitField0_ |= 0x00000010;
                   break;
                 } // case 42
@@ -6264,7 +6200,8 @@ public Builder mergeFrom(
                 } // case 82
               case 90:
                 {
-                  input.readMessage(getVisualizationFieldBuilder().getBuilder(), extensionRegistry);
+                  input.readMessage(
+                      internalGetVisualizationFieldBuilder().getBuilder(), extensionRegistry);
                   bitField0_ |= 0x00000400;
                   break;
                 } // case 90
@@ -6303,7 +6240,7 @@ private void ensureInputBaselinesIsMutable() {
         }
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.protobuf.Value,
               com.google.protobuf.Value.Builder,
               com.google.protobuf.ValueOrBuilder>
@@ -6783,7 +6720,7 @@ public Builder removeInputBaselines(int index) {
        * <code>repeated .google.protobuf.Value input_baselines = 1;</code>
        */
       public com.google.protobuf.Value.Builder getInputBaselinesBuilder(int index) {
-        return getInputBaselinesFieldBuilder().getBuilder(index);
+        return internalGetInputBaselinesFieldBuilder().getBuilder(index);
       }
 
       /**
@@ -6882,7 +6819,7 @@ public com.google.protobuf.ValueOrBuilder getInputBaselinesOrBuilder(int index)
        * <code>repeated .google.protobuf.Value input_baselines = 1;</code>
        */
       public com.google.protobuf.Value.Builder addInputBaselinesBuilder() {
-        return getInputBaselinesFieldBuilder()
+        return internalGetInputBaselinesFieldBuilder()
             .addBuilder(com.google.protobuf.Value.getDefaultInstance());
       }
 
@@ -6913,7 +6850,7 @@ public com.google.protobuf.Value.Builder addInputBaselinesBuilder() {
        * <code>repeated .google.protobuf.Value input_baselines = 1;</code>
        */
       public com.google.protobuf.Value.Builder addInputBaselinesBuilder(int index) {
-        return getInputBaselinesFieldBuilder()
+        return internalGetInputBaselinesFieldBuilder()
             .addBuilder(index, com.google.protobuf.Value.getDefaultInstance());
       }
 
@@ -6944,17 +6881,17 @@ public com.google.protobuf.Value.Builder addInputBaselinesBuilder(int index) {
        * <code>repeated .google.protobuf.Value input_baselines = 1;</code>
        */
       public java.util.List<com.google.protobuf.Value.Builder> getInputBaselinesBuilderList() {
-        return getInputBaselinesFieldBuilder().getBuilderList();
+        return internalGetInputBaselinesFieldBuilder().getBuilderList();
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.protobuf.Value,
               com.google.protobuf.Value.Builder,
               com.google.protobuf.ValueOrBuilder>
-          getInputBaselinesFieldBuilder() {
+          internalGetInputBaselinesFieldBuilder() {
         if (inputBaselinesBuilder_ == null) {
           inputBaselinesBuilder_ =
-              new com.google.protobuf.RepeatedFieldBuilderV3<
+              new com.google.protobuf.RepeatedFieldBuilder<
                   com.google.protobuf.Value,
                   com.google.protobuf.Value.Builder,
                   com.google.protobuf.ValueOrBuilder>(
@@ -7311,7 +7248,7 @@ public Builder setModalityBytes(com.google.protobuf.ByteString value) {
 
       private com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.FeatureValueDomain
           featureValueDomain_;
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.FeatureValueDomain,
               com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.FeatureValueDomain
                   .Builder,
@@ -7491,7 +7428,7 @@ public Builder clearFeatureValueDomain() {
           getFeatureValueDomainBuilder() {
         bitField0_ |= 0x00000010;
         onChanged();
-        return getFeatureValueDomainFieldBuilder().getBuilder();
+        return internalGetFeatureValueDomainFieldBuilder().getBuilder();
       }
 
       /**
@@ -7531,16 +7468,16 @@ public Builder clearFeatureValueDomain() {
        * .google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata.FeatureValueDomain feature_value_domain = 5;
        * </code>
        */
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.FeatureValueDomain,
               com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.FeatureValueDomain
                   .Builder,
               com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata
                   .FeatureValueDomainOrBuilder>
-          getFeatureValueDomainFieldBuilder() {
+          internalGetFeatureValueDomainFieldBuilder() {
         if (featureValueDomainBuilder_ == null) {
           featureValueDomainBuilder_ =
-              new com.google.protobuf.SingleFieldBuilderV3<
+              new com.google.protobuf.SingleFieldBuilder<
                   com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata
                       .FeatureValueDomain,
                   com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.FeatureValueDomain
@@ -8176,7 +8113,7 @@ private void ensureEncodedBaselinesIsMutable() {
         }
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.protobuf.Value,
               com.google.protobuf.Value.Builder,
               com.google.protobuf.ValueOrBuilder>
@@ -8487,7 +8424,7 @@ public Builder removeEncodedBaselines(int index) {
        * <code>repeated .google.protobuf.Value encoded_baselines = 10;</code>
        */
       public com.google.protobuf.Value.Builder getEncodedBaselinesBuilder(int index) {
-        return getEncodedBaselinesFieldBuilder().getBuilder(index);
+        return internalGetEncodedBaselinesFieldBuilder().getBuilder(index);
       }
 
       /**
@@ -8547,7 +8484,7 @@ public com.google.protobuf.ValueOrBuilder getEncodedBaselinesOrBuilder(int index
        * <code>repeated .google.protobuf.Value encoded_baselines = 10;</code>
        */
       public com.google.protobuf.Value.Builder addEncodedBaselinesBuilder() {
-        return getEncodedBaselinesFieldBuilder()
+        return internalGetEncodedBaselinesFieldBuilder()
             .addBuilder(com.google.protobuf.Value.getDefaultInstance());
       }
 
@@ -8565,7 +8502,7 @@ public com.google.protobuf.Value.Builder addEncodedBaselinesBuilder() {
        * <code>repeated .google.protobuf.Value encoded_baselines = 10;</code>
        */
       public com.google.protobuf.Value.Builder addEncodedBaselinesBuilder(int index) {
-        return getEncodedBaselinesFieldBuilder()
+        return internalGetEncodedBaselinesFieldBuilder()
             .addBuilder(index, com.google.protobuf.Value.getDefaultInstance());
       }
 
@@ -8583,17 +8520,17 @@ public com.google.protobuf.Value.Builder addEncodedBaselinesBuilder(int index) {
        * <code>repeated .google.protobuf.Value encoded_baselines = 10;</code>
        */
       public java.util.List<com.google.protobuf.Value.Builder> getEncodedBaselinesBuilderList() {
-        return getEncodedBaselinesFieldBuilder().getBuilderList();
+        return internalGetEncodedBaselinesFieldBuilder().getBuilderList();
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.protobuf.Value,
               com.google.protobuf.Value.Builder,
               com.google.protobuf.ValueOrBuilder>
-          getEncodedBaselinesFieldBuilder() {
+          internalGetEncodedBaselinesFieldBuilder() {
         if (encodedBaselinesBuilder_ == null) {
           encodedBaselinesBuilder_ =
-              new com.google.protobuf.RepeatedFieldBuilderV3<
+              new com.google.protobuf.RepeatedFieldBuilder<
                   com.google.protobuf.Value,
                   com.google.protobuf.Value.Builder,
                   com.google.protobuf.ValueOrBuilder>(
@@ -8608,7 +8545,7 @@ public java.util.List<com.google.protobuf.Value.Builder> getEncodedBaselinesBuil
 
       private com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization
           visualization_;
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization,
               com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization.Builder,
               com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata
@@ -8777,7 +8714,7 @@ public Builder clearVisualization() {
           getVisualizationBuilder() {
         bitField0_ |= 0x00000400;
         onChanged();
-        return getVisualizationFieldBuilder().getBuilder();
+        return internalGetVisualizationFieldBuilder().getBuilder();
       }
 
       /**
@@ -8814,15 +8751,15 @@ public Builder clearVisualization() {
        * .google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata.Visualization visualization = 11;
        * </code>
        */
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization,
               com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization.Builder,
               com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata
                   .VisualizationOrBuilder>
-          getVisualizationFieldBuilder() {
+          internalGetVisualizationFieldBuilder() {
         if (visualizationBuilder_ == null) {
           visualizationBuilder_ =
-              new com.google.protobuf.SingleFieldBuilderV3<
+              new com.google.protobuf.SingleFieldBuilder<
                   com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization,
                   com.google.cloud.vertexai.api.ExplanationMetadata.InputMetadata.Visualization
                       .Builder,
@@ -8970,18 +8907,6 @@ public Builder setGroupNameBytes(com.google.protobuf.ByteString value) {
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata)
     }
 
@@ -9219,14 +9144,24 @@ public interface OutputMetadataOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ExplanationMetadata.OutputMetadata}
    */
-  public static final class OutputMetadata extends com.google.protobuf.GeneratedMessageV3
+  public static final class OutputMetadata extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExplanationMetadata.OutputMetadata)
       OutputMetadataOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "OutputMetadata");
+    }
+
     // Use OutputMetadata.newBuilder() to construct.
-    private OutputMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private OutputMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -9234,19 +9169,13 @@ private OutputMetadata() {
       outputTensorName_ = "";
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new OutputMetadata();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ExplanationMetadataProto
           .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_OutputMetadata_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationMetadataProto
           .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_OutputMetadata_fieldAccessorTable
@@ -9565,10 +9494,10 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
         output.writeMessage(1, (com.google.protobuf.Value) displayNameMapping_);
       }
       if (displayNameMappingCase_ == 2) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, displayNameMapping_);
+        com.google.protobuf.GeneratedMessage.writeString(output, 2, displayNameMapping_);
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputTensorName_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 3, outputTensorName_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(outputTensorName_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 3, outputTensorName_);
       }
       getUnknownFields().writeTo(output);
     }
@@ -9585,10 +9514,10 @@ public int getSerializedSize() {
                 1, (com.google.protobuf.Value) displayNameMapping_);
       }
       if (displayNameMappingCase_ == 2) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, displayNameMapping_);
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(2, displayNameMapping_);
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputTensorName_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, outputTensorName_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(outputTensorName_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(3, outputTensorName_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSize = size;
@@ -9686,39 +9615,39 @@ public static com.google.cloud.vertexai.api.ExplanationMetadata.OutputMetadata p
 
     public static com.google.cloud.vertexai.api.ExplanationMetadata.OutputMetadata parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadata.OutputMetadata parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadata.OutputMetadata
         parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadata.OutputMetadata
         parseDelimitedFrom(
             java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
             throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadata.OutputMetadata parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadata.OutputMetadata parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -9742,8 +9671,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -9757,8 +9685,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.ExplanationMetadata.OutputMetadata}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExplanationMetadata.OutputMetadata)
         com.google.cloud.vertexai.api.ExplanationMetadata.OutputMetadataOrBuilder {
@@ -9768,7 +9695,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ExplanationMetadataProto
             .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_OutputMetadata_fieldAccessorTable
@@ -9781,7 +9708,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // com.google.cloud.vertexai.api.ExplanationMetadata.OutputMetadata.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -9849,41 +9776,6 @@ private void buildPartialOneofs(
         }
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.ExplanationMetadata.OutputMetadata) {
@@ -9952,7 +9844,8 @@ public Builder mergeFrom(
               case 10:
                 {
                   input.readMessage(
-                      getIndexDisplayNameMappingFieldBuilder().getBuilder(), extensionRegistry);
+                      internalGetIndexDisplayNameMappingFieldBuilder().getBuilder(),
+                      extensionRegistry);
                   displayNameMappingCase_ = 1;
                   break;
                 } // case 10
@@ -10002,7 +9895,7 @@ public Builder clearDisplayNameMapping() {
 
       private int bitField0_;
 
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.protobuf.Value,
               com.google.protobuf.Value.Builder,
               com.google.protobuf.ValueOrBuilder>
@@ -10253,7 +10146,7 @@ public Builder clearIndexDisplayNameMapping() {
        * <code>.google.protobuf.Value index_display_name_mapping = 1;</code>
        */
       public com.google.protobuf.Value.Builder getIndexDisplayNameMappingBuilder() {
-        return getIndexDisplayNameMappingFieldBuilder().getBuilder();
+        return internalGetIndexDisplayNameMappingFieldBuilder().getBuilder();
       }
 
       /**
@@ -10312,17 +10205,17 @@ public com.google.protobuf.ValueOrBuilder getIndexDisplayNameMappingOrBuilder()
        *
        * <code>.google.protobuf.Value index_display_name_mapping = 1;</code>
        */
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.protobuf.Value,
               com.google.protobuf.Value.Builder,
               com.google.protobuf.ValueOrBuilder>
-          getIndexDisplayNameMappingFieldBuilder() {
+          internalGetIndexDisplayNameMappingFieldBuilder() {
         if (indexDisplayNameMappingBuilder_ == null) {
           if (!(displayNameMappingCase_ == 1)) {
             displayNameMapping_ = com.google.protobuf.Value.getDefaultInstance();
           }
           indexDisplayNameMappingBuilder_ =
-              new com.google.protobuf.SingleFieldBuilderV3<
+              new com.google.protobuf.SingleFieldBuilder<
                   com.google.protobuf.Value,
                   com.google.protobuf.Value.Builder,
                   com.google.protobuf.ValueOrBuilder>(
@@ -10633,18 +10526,6 @@ public Builder setOutputTensorNameBytes(com.google.protobuf.ByteString value) {
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExplanationMetadata.OutputMetadata)
     }
 
@@ -11191,15 +11072,15 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
+    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
         output, internalGetInputs(), InputsDefaultEntryHolder.defaultEntry, 1);
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
+    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
         output, internalGetOutputs(), OutputsDefaultEntryHolder.defaultEntry, 2);
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(featureAttributionsSchemaUri_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, featureAttributionsSchemaUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(featureAttributionsSchemaUri_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, featureAttributionsSchemaUri_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(latentSpaceSource_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, latentSpaceSource_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(latentSpaceSource_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 5, latentSpaceSource_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -11236,13 +11117,12 @@ public int getSerializedSize() {
                   .build();
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, outputs__);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(featureAttributionsSchemaUri_)) {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(featureAttributionsSchemaUri_)) {
       size +=
-          com.google.protobuf.GeneratedMessageV3.computeStringSize(
-              3, featureAttributionsSchemaUri_);
+          com.google.protobuf.GeneratedMessage.computeStringSize(3, featureAttributionsSchemaUri_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(latentSpaceSource_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, latentSpaceSource_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(latentSpaceSource_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(5, latentSpaceSource_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -11330,38 +11210,38 @@ public static com.google.cloud.vertexai.api.ExplanationMetadata parseFrom(
 
   public static com.google.cloud.vertexai.api.ExplanationMetadata parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationMetadata parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationMetadata parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationMetadata parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -11384,7 +11264,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -11398,7 +11278,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ExplanationMetadata}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExplanationMetadata)
       com.google.cloud.vertexai.api.ExplanationMetadataOrBuilder {
@@ -11434,7 +11314,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFi
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationMetadataProto
           .internal_static_google_cloud_vertexai_v1_ExplanationMetadata_fieldAccessorTable
@@ -11446,7 +11326,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFi
     // Construct using com.google.cloud.vertexai.api.ExplanationMetadata.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -11508,39 +11388,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ExplanationMetadata res
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ExplanationMetadata) {
@@ -12653,17 +12500,6 @@ public Builder setLatentSpaceSourceBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExplanationMetadata)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataOrBuilder.java
index f2f7c82f6f30..1e894133072b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation_metadata.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ExplanationMetadataOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ExplanationMetadata)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataOverride.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataOverride.java
index 44ff2549dbbc..81ccca6bbe0d 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataOverride.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataOverride.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -30,25 +31,30 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ExplanationMetadataOverride}
  */
-public final class ExplanationMetadataOverride extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ExplanationMetadataOverride extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExplanationMetadataOverride)
     ExplanationMetadataOverrideOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ExplanationMetadataOverride");
+  }
+
   // Use ExplanationMetadataOverride.newBuilder() to construct.
-  private ExplanationMetadataOverride(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ExplanationMetadataOverride(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private ExplanationMetadataOverride() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ExplanationMetadataOverride();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_ExplanationMetadataOverride_descriptor;
@@ -67,7 +73,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldRefl
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_ExplanationMetadataOverride_fieldAccessorTable
@@ -174,14 +180,24 @@ public interface InputMetadataOverrideOrBuilder
    * Protobuf type {@code
    * google.cloud.vertexai.v1.ExplanationMetadataOverride.InputMetadataOverride}
    */
-  public static final class InputMetadataOverride extends com.google.protobuf.GeneratedMessageV3
+  public static final class InputMetadataOverride extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExplanationMetadataOverride.InputMetadataOverride)
       InputMetadataOverrideOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "InputMetadataOverride");
+    }
+
     // Use InputMetadataOverride.newBuilder() to construct.
-    private InputMetadataOverride(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private InputMetadataOverride(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -189,19 +205,13 @@ private InputMetadataOverride() {
       inputBaselines_ = java.util.Collections.emptyList();
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new InputMetadataOverride();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_ExplanationMetadataOverride_InputMetadataOverride_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_ExplanationMetadataOverride_InputMetadataOverride_fieldAccessorTable
@@ -420,33 +430,33 @@ public int hashCode() {
 
     public static com.google.cloud.vertexai.api.ExplanationMetadataOverride.InputMetadataOverride
         parseFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadataOverride.InputMetadataOverride
         parseFrom(
             java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
             throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadataOverride.InputMetadataOverride
         parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadataOverride.InputMetadataOverride
         parseDelimitedFrom(
             java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
             throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadataOverride.InputMetadataOverride
         parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.ExplanationMetadataOverride.InputMetadataOverride
@@ -454,7 +464,7 @@ public int hashCode() {
             com.google.protobuf.CodedInputStream input,
             com.google.protobuf.ExtensionRegistryLite extensionRegistry)
             throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -478,8 +488,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -496,8 +505,7 @@ protected Builder newBuilderForType(
      * Protobuf type {@code
      * google.cloud.vertexai.v1.ExplanationMetadataOverride.InputMetadataOverride}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExplanationMetadataOverride.InputMetadataOverride)
         com.google.cloud.vertexai.api.ExplanationMetadataOverride.InputMetadataOverrideOrBuilder {
@@ -507,7 +515,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ExplanationProto
             .internal_static_google_cloud_vertexai_v1_ExplanationMetadataOverride_InputMetadataOverride_fieldAccessorTable
@@ -522,7 +530,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // com.google.cloud.vertexai.api.ExplanationMetadataOverride.InputMetadataOverride.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -596,41 +604,6 @@ private void buildPartial0(
         int from_bitField0_ = bitField0_;
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other
@@ -669,8 +642,8 @@ public Builder mergeFrom(
               inputBaselines_ = other.inputBaselines_;
               bitField0_ = (bitField0_ & ~0x00000001);
               inputBaselinesBuilder_ =
-                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                      ? getInputBaselinesFieldBuilder()
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetInputBaselinesFieldBuilder()
                       : null;
             } else {
               inputBaselinesBuilder_.addAllMessages(other.inputBaselines_);
@@ -744,7 +717,7 @@ private void ensureInputBaselinesIsMutable() {
         }
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.protobuf.Value,
               com.google.protobuf.Value.Builder,
               com.google.protobuf.ValueOrBuilder>
@@ -1068,7 +1041,7 @@ public Builder removeInputBaselines(int index) {
        * <code>repeated .google.protobuf.Value input_baselines = 1;</code>
        */
       public com.google.protobuf.Value.Builder getInputBaselinesBuilder(int index) {
-        return getInputBaselinesFieldBuilder().getBuilder(index);
+        return internalGetInputBaselinesFieldBuilder().getBuilder(index);
       }
 
       /**
@@ -1131,7 +1104,7 @@ public com.google.protobuf.ValueOrBuilder getInputBaselinesOrBuilder(int index)
        * <code>repeated .google.protobuf.Value input_baselines = 1;</code>
        */
       public com.google.protobuf.Value.Builder addInputBaselinesBuilder() {
-        return getInputBaselinesFieldBuilder()
+        return internalGetInputBaselinesFieldBuilder()
             .addBuilder(com.google.protobuf.Value.getDefaultInstance());
       }
 
@@ -1150,7 +1123,7 @@ public com.google.protobuf.Value.Builder addInputBaselinesBuilder() {
        * <code>repeated .google.protobuf.Value input_baselines = 1;</code>
        */
       public com.google.protobuf.Value.Builder addInputBaselinesBuilder(int index) {
-        return getInputBaselinesFieldBuilder()
+        return internalGetInputBaselinesFieldBuilder()
             .addBuilder(index, com.google.protobuf.Value.getDefaultInstance());
       }
 
@@ -1169,17 +1142,17 @@ public com.google.protobuf.Value.Builder addInputBaselinesBuilder(int index) {
        * <code>repeated .google.protobuf.Value input_baselines = 1;</code>
        */
       public java.util.List<com.google.protobuf.Value.Builder> getInputBaselinesBuilderList() {
-        return getInputBaselinesFieldBuilder().getBuilderList();
+        return internalGetInputBaselinesFieldBuilder().getBuilderList();
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.protobuf.Value,
               com.google.protobuf.Value.Builder,
               com.google.protobuf.ValueOrBuilder>
-          getInputBaselinesFieldBuilder() {
+          internalGetInputBaselinesFieldBuilder() {
         if (inputBaselinesBuilder_ == null) {
           inputBaselinesBuilder_ =
-              new com.google.protobuf.RepeatedFieldBuilderV3<
+              new com.google.protobuf.RepeatedFieldBuilder<
                   com.google.protobuf.Value,
                   com.google.protobuf.Value.Builder,
                   com.google.protobuf.ValueOrBuilder>(
@@ -1192,18 +1165,6 @@ public java.util.List<com.google.protobuf.Value.Builder> getInputBaselinesBuilde
         return inputBaselinesBuilder_;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExplanationMetadataOverride.InputMetadataOverride)
     }
 
@@ -1439,7 +1400,7 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
+    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
         output, internalGetInputs(), InputsDefaultEntryHolder.defaultEntry, 1);
     getUnknownFields().writeTo(output);
   }
@@ -1539,38 +1500,38 @@ public static com.google.cloud.vertexai.api.ExplanationMetadataOverride parseFro
 
   public static com.google.cloud.vertexai.api.ExplanationMetadataOverride parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationMetadataOverride parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationMetadataOverride parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationMetadataOverride parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationMetadataOverride parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationMetadataOverride parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -1594,7 +1555,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -1610,7 +1571,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ExplanationMetadataOverride}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExplanationMetadataOverride)
       com.google.cloud.vertexai.api.ExplanationMetadataOverrideOrBuilder {
@@ -1642,7 +1603,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFi
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_ExplanationMetadataOverride_fieldAccessorTable
@@ -1654,7 +1615,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFi
     // Construct using com.google.cloud.vertexai.api.ExplanationMetadataOverride.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -1704,39 +1665,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ExplanationMetadataOver
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ExplanationMetadataOverride) {
@@ -2162,17 +2090,6 @@ public Builder putAllInputs(
           entry;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExplanationMetadataOverride)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataOverrideOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataOverrideOrBuilder.java
index 67716ad5ea53..814a8efaaaf3 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataOverrideOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataOverrideOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ExplanationMetadataOverrideOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ExplanationMetadataOverride)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataProto.java
index a0320f35a8e7..f64ff392b131 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadataProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation_metadata.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class ExplanationMetadataProto {
+@com.google.protobuf.Generated
+public final class ExplanationMetadataProto extends com.google.protobuf.GeneratedFile {
   private ExplanationMetadataProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ExplanationMetadataProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,31 +42,31 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplanationMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplanationMetadata_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_FeatureValueDomain_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_FeatureValueDomain_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_Visualization_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_Visualization_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplanationMetadata_OutputMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplanationMetadata_OutputMetadata_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputsEntry_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputsEntry_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplanationMetadata_OutputsEntry_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplanationMetadata_OutputsEntry_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -65,75 +77,100 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
 
   static {
     java.lang.String[] descriptorData = {
-      "\n3google/cloud/vertexai/v1/explanation_m"
+      "\n"
+          + "3google/cloud/vertexai/v1/explanation_m"
           + "etadata.proto\022\030google.cloud.vertexai.v1\032"
-          + "\037google/api/field_behavior.proto\032\034google"
-          + "/protobuf/struct.proto\"\271\022\n\023ExplanationMe"
-          + "tadata\022N\n\006inputs\030\001 \003(\01329.google.cloud.ve"
-          + "rtexai.v1.ExplanationMetadata.InputsEntr"
-          + "yB\003\340A\002\022P\n\007outputs\030\002 \003(\0132:.google.cloud.v"
-          + "ertexai.v1.ExplanationMetadata.OutputsEn"
-          + "tryB\003\340A\002\022\'\n\037feature_attributions_schema_"
-          + "uri\030\003 \001(\t\022\033\n\023latent_space_source\030\005 \001(\t\032\266"
-          + "\r\n\rInputMetadata\022/\n\017input_baselines\030\001 \003("
-          + "\0132\026.google.protobuf.Value\022\031\n\021input_tenso"
-          + "r_name\030\002 \001(\t\022V\n\010encoding\030\003 \001(\0162D.google."
-          + "cloud.vertexai.v1.ExplanationMetadata.In"
-          + "putMetadata.Encoding\022\020\n\010modality\030\004 \001(\t\022l"
-          + "\n\024feature_value_domain\030\005 \001(\0132N.google.cl"
-          + "oud.vertexai.v1.ExplanationMetadata.Inpu"
-          + "tMetadata.FeatureValueDomain\022\033\n\023indices_"
-          + "tensor_name\030\006 \001(\t\022\037\n\027dense_shape_tensor_"
-          + "name\030\007 \001(\t\022\035\n\025index_feature_mapping\030\010 \003("
-          + "\t\022\033\n\023encoded_tensor_name\030\t \001(\t\0221\n\021encode"
-          + "d_baselines\030\n \003(\0132\026.google.protobuf.Valu"
-          + "e\022`\n\rvisualization\030\013 \001(\0132I.google.cloud."
-          + "vertexai.v1.ExplanationMetadata.InputMet"
-          + "adata.Visualization\022\022\n\ngroup_name\030\014 \001(\t\032"
-          + "j\n\022FeatureValueDomain\022\021\n\tmin_value\030\001 \001(\002"
-          + "\022\021\n\tmax_value\030\002 \001(\002\022\025\n\roriginal_mean\030\003 \001"
-          + "(\002\022\027\n\017original_stddev\030\004 \001(\002\032\316\006\n\rVisualiz"
-          + "ation\022\\\n\004type\030\001 \001(\0162N.google.cloud.verte"
-          + "xai.v1.ExplanationMetadata.InputMetadata"
-          + ".Visualization.Type\022d\n\010polarity\030\002 \001(\0162R."
-          + "google.cloud.vertexai.v1.ExplanationMeta"
-          + "data.InputMetadata.Visualization.Polarit"
-          + "y\022e\n\tcolor_map\030\003 \001(\0162R.google.cloud.vert"
-          + "exai.v1.ExplanationMetadata.InputMetadat"
-          + "a.Visualization.ColorMap\022\037\n\027clip_percent"
-          + "_upperbound\030\004 \001(\002\022\037\n\027clip_percent_lowerb"
-          + "ound\030\005 \001(\002\022k\n\014overlay_type\030\006 \001(\0162U.googl"
-          + "e.cloud.vertexai.v1.ExplanationMetadata."
-          + "InputMetadata.Visualization.OverlayType\""
-          + "6\n\004Type\022\024\n\020TYPE_UNSPECIFIED\020\000\022\n\n\006PIXELS\020"
-          + "\001\022\014\n\010OUTLINES\020\002\"J\n\010Polarity\022\030\n\024POLARITY_"
-          + "UNSPECIFIED\020\000\022\014\n\010POSITIVE\020\001\022\014\n\010NEGATIVE\020"
-          + "\002\022\010\n\004BOTH\020\003\"{\n\010ColorMap\022\031\n\025COLOR_MAP_UNS"
-          + "PECIFIED\020\000\022\016\n\nPINK_GREEN\020\001\022\013\n\007VIRIDIS\020\002\022"
-          + "\007\n\003RED\020\003\022\t\n\005GREEN\020\004\022\r\n\tRED_GREEN\020\006\022\024\n\020PI"
-          + "NK_WHITE_GREEN\020\005\"b\n\013OverlayType\022\034\n\030OVERL"
-          + "AY_TYPE_UNSPECIFIED\020\000\022\010\n\004NONE\020\001\022\014\n\010ORIGI"
-          + "NAL\020\002\022\r\n\tGRAYSCALE\020\003\022\016\n\nMASK_BLACK\020\004\"\240\001\n"
-          + "\010Encoding\022\030\n\024ENCODING_UNSPECIFIED\020\000\022\014\n\010I"
-          + "DENTITY\020\001\022\023\n\017BAG_OF_FEATURES\020\002\022\032\n\026BAG_OF"
-          + "_FEATURES_SPARSE\020\003\022\r\n\tINDICATOR\020\004\022\026\n\022COM"
-          + "BINED_EMBEDDING\020\005\022\024\n\020CONCAT_EMBEDDING\020\006\032"
-          + "\246\001\n\016OutputMetadata\022<\n\032index_display_name"
-          + "_mapping\030\001 \001(\0132\026.google.protobuf.ValueH\000"
-          + "\022\"\n\030display_name_mapping_key\030\002 \001(\tH\000\022\032\n\022"
-          + "output_tensor_name\030\003 \001(\tB\026\n\024display_name"
-          + "_mapping\032j\n\013InputsEntry\022\013\n\003key\030\001 \001(\t\022J\n\005"
-          + "value\030\002 \001(\0132;.google.cloud.vertexai.v1.E"
-          + "xplanationMetadata.InputMetadata:\0028\001\032l\n\014"
-          + "OutputsEntry\022\013\n\003key\030\001 \001(\t\022K\n\005value\030\002 \001(\013"
-          + "2<.google.cloud.vertexai.v1.ExplanationM"
-          + "etadata.OutputMetadata:\0028\001B\325\001\n\035com.googl"
-          + "e.cloud.vertexai.apiB\030ExplanationMetadat"
+          + "\037google/api/field_behavior.proto\032\034google/protobuf/struct.proto\"\271\022\n"
+          + "\023ExplanationMetadata\022N\n"
+          + "\006inputs\030\001 \003(\01329.google.cloud.ve"
+          + "rtexai.v1.ExplanationMetadata.InputsEntryB\003\340A\002\022P\n"
+          + "\007outputs\030\002 \003(\0132:.google.cloud.v"
+          + "ertexai.v1.ExplanationMetadata.OutputsEntryB\003\340A\002\022\'\n"
+          + "\037feature_attributions_schema_uri\030\003 \001(\t\022\033\n"
+          + "\023latent_space_source\030\005 \001(\t\032\266\r\n\r"
+          + "InputMetadata\022/\n"
+          + "\017input_baselines\030\001 \003(\0132\026.google.protobuf.Value\022\031\n"
+          + "\021input_tensor_name\030\002 \001(\t\022V\n"
+          + "\010encoding\030\003 \001(\0162D.google."
+          + "cloud.vertexai.v1.ExplanationMetadata.InputMetadata.Encoding\022\020\n"
+          + "\010modality\030\004 \001(\t\022l\n"
+          + "\024feature_value_domain\030\005 \001(\0132N.google.cl"
+          + "oud.vertexai.v1.ExplanationMetadata.InputMetadata.FeatureValueDomain\022\033\n"
+          + "\023indices_tensor_name\030\006 \001(\t\022\037\n"
+          + "\027dense_shape_tensor_name\030\007 \001(\t\022\035\n"
+          + "\025index_feature_mapping\030\010 \003(\t\022\033\n"
+          + "\023encoded_tensor_name\030\t \001(\t\0221\n"
+          + "\021encoded_baselines\030\n"
+          + " \003(\0132\026.google.protobuf.Value\022`\n\r"
+          + "visualization\030\013 \001(\0132I.google.cloud."
+          + "vertexai.v1.ExplanationMetadata.InputMetadata.Visualization\022\022\n\n"
+          + "group_name\030\014 \001(\t\032j\n"
+          + "\022FeatureValueDomain\022\021\n"
+          + "\tmin_value\030\001 \001(\002\022\021\n"
+          + "\tmax_value\030\002 \001(\002\022\025\n\r"
+          + "original_mean\030\003 \001(\002\022\027\n"
+          + "\017original_stddev\030\004 \001(\002\032\316\006\n\r"
+          + "Visualization\022\\\n"
+          + "\004type\030\001 \001(\0162N.google.cloud.verte"
+          + "xai.v1.ExplanationMetadata.InputMetadata.Visualization.Type\022d\n"
+          + "\010polarity\030\002 \001(\0162R.google.cloud.vertexai.v1.ExplanationMeta"
+          + "data.InputMetadata.Visualization.Polarity\022e\n"
+          + "\tcolor_map\030\003 \001(\0162R.google.cloud.vert"
+          + "exai.v1.ExplanationMetadata.InputMetadata.Visualization.ColorMap\022\037\n"
+          + "\027clip_percent_upperbound\030\004 \001(\002\022\037\n"
+          + "\027clip_percent_lowerbound\030\005 \001(\002\022k\n"
+          + "\014overlay_type\030\006 \001(\0162U.google.cloud.vertexai.v1.ExplanationMetadata."
+          + "InputMetadata.Visualization.OverlayType\"6\n"
+          + "\004Type\022\024\n"
+          + "\020TYPE_UNSPECIFIED\020\000\022\n\n"
+          + "\006PIXELS\020\001\022\014\n"
+          + "\010OUTLINES\020\002\"J\n"
+          + "\010Polarity\022\030\n"
+          + "\024POLARITY_UNSPECIFIED\020\000\022\014\n"
+          + "\010POSITIVE\020\001\022\014\n"
+          + "\010NEGATIVE\020\002\022\010\n"
+          + "\004BOTH\020\003\"{\n"
+          + "\010ColorMap\022\031\n"
+          + "\025COLOR_MAP_UNSPECIFIED\020\000\022\016\n\n"
+          + "PINK_GREEN\020\001\022\013\n"
+          + "\007VIRIDIS\020\002\022\007\n"
+          + "\003RED\020\003\022\t\n"
+          + "\005GREEN\020\004\022\r\n"
+          + "\tRED_GREEN\020\006\022\024\n"
+          + "\020PINK_WHITE_GREEN\020\005\"b\n"
+          + "\013OverlayType\022\034\n"
+          + "\030OVERLAY_TYPE_UNSPECIFIED\020\000\022\010\n"
+          + "\004NONE\020\001\022\014\n"
+          + "\010ORIGINAL\020\002\022\r\n"
+          + "\tGRAYSCALE\020\003\022\016\n\n"
+          + "MASK_BLACK\020\004\"\240\001\n"
+          + "\010Encoding\022\030\n"
+          + "\024ENCODING_UNSPECIFIED\020\000\022\014\n"
+          + "\010IDENTITY\020\001\022\023\n"
+          + "\017BAG_OF_FEATURES\020\002\022\032\n"
+          + "\026BAG_OF_FEATURES_SPARSE\020\003\022\r\n"
+          + "\tINDICATOR\020\004\022\026\n"
+          + "\022COMBINED_EMBEDDING\020\005\022\024\n"
+          + "\020CONCAT_EMBEDDING\020\006\032\246\001\n"
+          + "\016OutputMetadata\022<\n"
+          + "\032index_display_name_mapping\030\001"
+          + " \001(\0132\026.google.protobuf.ValueH\000\022\"\n"
+          + "\030display_name_mapping_key\030\002 \001(\tH\000\022\032\n"
+          + "\022output_tensor_name\030\003 \001(\tB\026\n"
+          + "\024display_name_mapping\032j\n"
+          + "\013InputsEntry\022\013\n"
+          + "\003key\030\001 \001(\t\022J\n"
+          + "\005value\030\002"
+          + " \001(\0132;.google.cloud.vertexai.v1.ExplanationMetadata.InputMetadata:\0028\001\032l\n"
+          + "\014OutputsEntry\022\013\n"
+          + "\003key\030\001 \001(\t\022K\n"
+          + "\005value\030\002 \001(\013"
+          + "2<.google.cloud.vertexai.v1.ExplanationMetadata.OutputMetadata:\0028\001B\325\001\n"
+          + "\035com.google.cloud.vertexai.apiB\030ExplanationMetadat"
           + "aProtoP\001Z>cloud.google.com/go/aiplatform"
           + "/apiv1/aiplatformpb;aiplatformpb\252\002\032Googl"
           + "e.Cloud.AIPlatform.V1\312\002\032Google\\Cloud\\AIP"
-          + "latform\\V1\352\002\035Google::Cloud::AIPlatform::"
-          + "V1b\006proto3"
+          + "latform\\V1\352\002\035Google::Cloud::AIPlatform::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -143,19 +180,17 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.protobuf.StructProto.getDescriptor(),
             });
     internal_static_google_cloud_vertexai_v1_ExplanationMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+        getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_ExplanationMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ExplanationMetadata_descriptor,
             new java.lang.String[] {
               "Inputs", "Outputs", "FeatureAttributionsSchemaUri", "LatentSpaceSource",
             });
     internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_descriptor =
-        internal_static_google_cloud_vertexai_v1_ExplanationMetadata_descriptor
-            .getNestedTypes()
-            .get(0);
+        internal_static_google_cloud_vertexai_v1_ExplanationMetadata_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_descriptor,
             new java.lang.String[] {
               "InputBaselines",
@@ -173,20 +208,18 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             });
     internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_FeatureValueDomain_descriptor =
         internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_descriptor
-            .getNestedTypes()
-            .get(0);
+            .getNestedType(0);
     internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_FeatureValueDomain_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_FeatureValueDomain_descriptor,
             new java.lang.String[] {
               "MinValue", "MaxValue", "OriginalMean", "OriginalStddev",
             });
     internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_Visualization_descriptor =
         internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_descriptor
-            .getNestedTypes()
-            .get(1);
+            .getNestedType(1);
     internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_Visualization_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputMetadata_Visualization_descriptor,
             new java.lang.String[] {
               "Type",
@@ -197,11 +230,9 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "OverlayType",
             });
     internal_static_google_cloud_vertexai_v1_ExplanationMetadata_OutputMetadata_descriptor =
-        internal_static_google_cloud_vertexai_v1_ExplanationMetadata_descriptor
-            .getNestedTypes()
-            .get(1);
+        internal_static_google_cloud_vertexai_v1_ExplanationMetadata_descriptor.getNestedType(1);
     internal_static_google_cloud_vertexai_v1_ExplanationMetadata_OutputMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ExplanationMetadata_OutputMetadata_descriptor,
             new java.lang.String[] {
               "IndexDisplayNameMapping",
@@ -210,32 +241,29 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "DisplayNameMapping",
             });
     internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputsEntry_descriptor =
-        internal_static_google_cloud_vertexai_v1_ExplanationMetadata_descriptor
-            .getNestedTypes()
-            .get(2);
+        internal_static_google_cloud_vertexai_v1_ExplanationMetadata_descriptor.getNestedType(2);
     internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputsEntry_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ExplanationMetadata_InputsEntry_descriptor,
             new java.lang.String[] {
               "Key", "Value",
             });
     internal_static_google_cloud_vertexai_v1_ExplanationMetadata_OutputsEntry_descriptor =
-        internal_static_google_cloud_vertexai_v1_ExplanationMetadata_descriptor
-            .getNestedTypes()
-            .get(3);
+        internal_static_google_cloud_vertexai_v1_ExplanationMetadata_descriptor.getNestedType(3);
     internal_static_google_cloud_vertexai_v1_ExplanationMetadata_OutputsEntry_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ExplanationMetadata_OutputsEntry_descriptor,
             new java.lang.String[] {
               "Key", "Value",
             });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.protobuf.StructProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.protobuf.StructProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationOrBuilder.java
index 027b1284e5ff..789cccbee0cd 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ExplanationOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Explanation)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationParameters.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationParameters.java
index 1bd57d67187a..1281750bdc66 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationParameters.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationParameters.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ExplanationParameters}
  */
-public final class ExplanationParameters extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ExplanationParameters extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExplanationParameters)
     ExplanationParametersOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ExplanationParameters");
+  }
+
   // Use ExplanationParameters.newBuilder() to construct.
-  private ExplanationParameters(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ExplanationParameters(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private ExplanationParameters() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ExplanationParameters();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_ExplanationParameters_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_ExplanationParameters_fieldAccessorTable
@@ -684,38 +690,38 @@ public static com.google.cloud.vertexai.api.ExplanationParameters parseFrom(
 
   public static com.google.cloud.vertexai.api.ExplanationParameters parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationParameters parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationParameters parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationParameters parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationParameters parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationParameters parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -738,7 +744,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -752,7 +758,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ExplanationParameters}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExplanationParameters)
       com.google.cloud.vertexai.api.ExplanationParametersOrBuilder {
@@ -762,7 +768,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_ExplanationParameters_fieldAccessorTable
@@ -776,14 +782,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getOutputIndicesFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetOutputIndicesFieldBuilder();
       }
     }
 
@@ -877,39 +883,6 @@ private void buildPartialOneofs(com.google.cloud.vertexai.api.ExplanationParamet
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ExplanationParameters) {
@@ -984,21 +957,23 @@ public Builder mergeFrom(
             case 10:
               {
                 input.readMessage(
-                    getSampledShapleyAttributionFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetSampledShapleyAttributionFieldBuilder().getBuilder(),
+                    extensionRegistry);
                 methodCase_ = 1;
                 break;
               } // case 10
             case 18:
               {
                 input.readMessage(
-                    getIntegratedGradientsAttributionFieldBuilder().getBuilder(),
+                    internalGetIntegratedGradientsAttributionFieldBuilder().getBuilder(),
                     extensionRegistry);
                 methodCase_ = 2;
                 break;
               } // case 18
             case 26:
               {
-                input.readMessage(getXraiAttributionFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetXraiAttributionFieldBuilder().getBuilder(), extensionRegistry);
                 methodCase_ = 3;
                 break;
               } // case 26
@@ -1010,13 +985,15 @@ public Builder mergeFrom(
               } // case 32
             case 42:
               {
-                input.readMessage(getOutputIndicesFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetOutputIndicesFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000020;
                 break;
               } // case 42
             case 58:
               {
-                input.readMessage(getExamplesFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetExamplesFieldBuilder().getBuilder(), extensionRegistry);
                 methodCase_ = 7;
                 break;
               } // case 58
@@ -1053,7 +1030,7 @@ public Builder clearMethod() {
 
     private int bitField0_;
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.SampledShapleyAttribution,
             com.google.cloud.vertexai.api.SampledShapleyAttribution.Builder,
             com.google.cloud.vertexai.api.SampledShapleyAttributionOrBuilder>
@@ -1246,7 +1223,7 @@ public Builder clearSampledShapleyAttribution() {
      */
     public com.google.cloud.vertexai.api.SampledShapleyAttribution.Builder
         getSampledShapleyAttributionBuilder() {
-      return getSampledShapleyAttributionFieldBuilder().getBuilder();
+      return internalGetSampledShapleyAttributionFieldBuilder().getBuilder();
     }
 
     /**
@@ -1288,17 +1265,17 @@ public Builder clearSampledShapleyAttribution() {
      * <code>.google.cloud.vertexai.v1.SampledShapleyAttribution sampled_shapley_attribution = 1;
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.SampledShapleyAttribution,
             com.google.cloud.vertexai.api.SampledShapleyAttribution.Builder,
             com.google.cloud.vertexai.api.SampledShapleyAttributionOrBuilder>
-        getSampledShapleyAttributionFieldBuilder() {
+        internalGetSampledShapleyAttributionFieldBuilder() {
       if (sampledShapleyAttributionBuilder_ == null) {
         if (!(methodCase_ == 1)) {
           method_ = com.google.cloud.vertexai.api.SampledShapleyAttribution.getDefaultInstance();
         }
         sampledShapleyAttributionBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.SampledShapleyAttribution,
                 com.google.cloud.vertexai.api.SampledShapleyAttribution.Builder,
                 com.google.cloud.vertexai.api.SampledShapleyAttributionOrBuilder>(
@@ -1312,7 +1289,7 @@ public Builder clearSampledShapleyAttribution() {
       return sampledShapleyAttributionBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.IntegratedGradientsAttribution,
             com.google.cloud.vertexai.api.IntegratedGradientsAttribution.Builder,
             com.google.cloud.vertexai.api.IntegratedGradientsAttributionOrBuilder>
@@ -1507,7 +1484,7 @@ public Builder clearIntegratedGradientsAttribution() {
      */
     public com.google.cloud.vertexai.api.IntegratedGradientsAttribution.Builder
         getIntegratedGradientsAttributionBuilder() {
-      return getIntegratedGradientsAttributionFieldBuilder().getBuilder();
+      return internalGetIntegratedGradientsAttributionFieldBuilder().getBuilder();
     }
 
     /**
@@ -1549,18 +1526,18 @@ public Builder clearIntegratedGradientsAttribution() {
      * .google.cloud.vertexai.v1.IntegratedGradientsAttribution integrated_gradients_attribution = 2;
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.IntegratedGradientsAttribution,
             com.google.cloud.vertexai.api.IntegratedGradientsAttribution.Builder,
             com.google.cloud.vertexai.api.IntegratedGradientsAttributionOrBuilder>
-        getIntegratedGradientsAttributionFieldBuilder() {
+        internalGetIntegratedGradientsAttributionFieldBuilder() {
       if (integratedGradientsAttributionBuilder_ == null) {
         if (!(methodCase_ == 2)) {
           method_ =
               com.google.cloud.vertexai.api.IntegratedGradientsAttribution.getDefaultInstance();
         }
         integratedGradientsAttributionBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.IntegratedGradientsAttribution,
                 com.google.cloud.vertexai.api.IntegratedGradientsAttribution.Builder,
                 com.google.cloud.vertexai.api.IntegratedGradientsAttributionOrBuilder>(
@@ -1574,7 +1551,7 @@ public Builder clearIntegratedGradientsAttribution() {
       return integratedGradientsAttributionBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.XraiAttribution,
             com.google.cloud.vertexai.api.XraiAttribution.Builder,
             com.google.cloud.vertexai.api.XraiAttributionOrBuilder>
@@ -1791,7 +1768,7 @@ public Builder clearXraiAttribution() {
      * <code>.google.cloud.vertexai.v1.XraiAttribution xrai_attribution = 3;</code>
      */
     public com.google.cloud.vertexai.api.XraiAttribution.Builder getXraiAttributionBuilder() {
-      return getXraiAttributionFieldBuilder().getBuilder();
+      return internalGetXraiAttributionFieldBuilder().getBuilder();
     }
 
     /**
@@ -1840,17 +1817,17 @@ public com.google.cloud.vertexai.api.XraiAttributionOrBuilder getXraiAttribution
      *
      * <code>.google.cloud.vertexai.v1.XraiAttribution xrai_attribution = 3;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.XraiAttribution,
             com.google.cloud.vertexai.api.XraiAttribution.Builder,
             com.google.cloud.vertexai.api.XraiAttributionOrBuilder>
-        getXraiAttributionFieldBuilder() {
+        internalGetXraiAttributionFieldBuilder() {
       if (xraiAttributionBuilder_ == null) {
         if (!(methodCase_ == 3)) {
           method_ = com.google.cloud.vertexai.api.XraiAttribution.getDefaultInstance();
         }
         xraiAttributionBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.XraiAttribution,
                 com.google.cloud.vertexai.api.XraiAttribution.Builder,
                 com.google.cloud.vertexai.api.XraiAttributionOrBuilder>(
@@ -1864,7 +1841,7 @@ public com.google.cloud.vertexai.api.XraiAttributionOrBuilder getXraiAttribution
       return xraiAttributionBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Examples,
             com.google.cloud.vertexai.api.Examples.Builder,
             com.google.cloud.vertexai.api.ExamplesOrBuilder>
@@ -2031,7 +2008,7 @@ public Builder clearExamples() {
      * <code>.google.cloud.vertexai.v1.Examples examples = 7;</code>
      */
     public com.google.cloud.vertexai.api.Examples.Builder getExamplesBuilder() {
-      return getExamplesFieldBuilder().getBuilder();
+      return internalGetExamplesFieldBuilder().getBuilder();
     }
 
     /**
@@ -2066,17 +2043,17 @@ public com.google.cloud.vertexai.api.ExamplesOrBuilder getExamplesOrBuilder() {
      *
      * <code>.google.cloud.vertexai.v1.Examples examples = 7;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Examples,
             com.google.cloud.vertexai.api.Examples.Builder,
             com.google.cloud.vertexai.api.ExamplesOrBuilder>
-        getExamplesFieldBuilder() {
+        internalGetExamplesFieldBuilder() {
       if (examplesBuilder_ == null) {
         if (!(methodCase_ == 7)) {
           method_ = com.google.cloud.vertexai.api.Examples.getDefaultInstance();
         }
         examplesBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Examples,
                 com.google.cloud.vertexai.api.Examples.Builder,
                 com.google.cloud.vertexai.api.ExamplesOrBuilder>(
@@ -2156,7 +2133,7 @@ public Builder clearTopK() {
     }
 
     private com.google.protobuf.ListValue outputIndices_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.ListValue,
             com.google.protobuf.ListValue.Builder,
             com.google.protobuf.ListValueOrBuilder>
@@ -2378,7 +2355,7 @@ public Builder clearOutputIndices() {
     public com.google.protobuf.ListValue.Builder getOutputIndicesBuilder() {
       bitField0_ |= 0x00000020;
       onChanged();
-      return getOutputIndicesFieldBuilder().getBuilder();
+      return internalGetOutputIndicesFieldBuilder().getBuilder();
     }
 
     /**
@@ -2431,14 +2408,14 @@ public com.google.protobuf.ListValueOrBuilder getOutputIndicesOrBuilder() {
      *
      * <code>.google.protobuf.ListValue output_indices = 5;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.ListValue,
             com.google.protobuf.ListValue.Builder,
             com.google.protobuf.ListValueOrBuilder>
-        getOutputIndicesFieldBuilder() {
+        internalGetOutputIndicesFieldBuilder() {
       if (outputIndicesBuilder_ == null) {
         outputIndicesBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.ListValue,
                 com.google.protobuf.ListValue.Builder,
                 com.google.protobuf.ListValueOrBuilder>(
@@ -2448,17 +2425,6 @@ public com.google.protobuf.ListValueOrBuilder getOutputIndicesOrBuilder() {
       return outputIndicesBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExplanationParameters)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationParametersOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationParametersOrBuilder.java
index 26b7a9da5dfe..770a02e09069 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationParametersOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationParametersOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ExplanationParametersOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ExplanationParameters)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationProto.java
index b6a46a3f899d..063568eadef6 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class ExplanationProto {
+@com.google.protobuf.Generated
+public final class ExplanationProto extends com.google.protobuf.GeneratedFile {
   private ExplanationProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ExplanationProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,91 +42,91 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Explanation_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Explanation_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ModelExplanation_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ModelExplanation_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Attribution_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Attribution_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Neighbor_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Neighbor_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplanationSpec_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplanationSpec_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplanationParameters_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplanationParameters_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_SampledShapleyAttribution_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_SampledShapleyAttribution_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_IntegratedGradientsAttribution_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_IntegratedGradientsAttribution_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_XraiAttribution_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_XraiAttribution_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_SmoothGradConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_SmoothGradConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_FeatureNoiseSigma_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_FeatureNoiseSigma_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_FeatureNoiseSigma_NoiseSigmaForFeature_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_FeatureNoiseSigma_NoiseSigmaForFeature_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_BlurBaselineConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_BlurBaselineConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Examples_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Examples_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Examples_ExampleGcsSource_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Examples_ExampleGcsSource_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Presets_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Presets_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplanationSpecOverride_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplanationSpecOverride_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplanationMetadataOverride_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplanationMetadataOverride_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplanationMetadataOverride_InputMetadataOverride_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplanationMetadataOverride_InputMetadataOverride_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplanationMetadataOverride_InputsEntry_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplanationMetadataOverride_InputsEntry_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExamplesOverride_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExamplesOverride_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExamplesRestrictionsNamespace_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExamplesRestrictionsNamespace_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -125,110 +137,139 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
 
   static {
     java.lang.String[] descriptorData = {
-      "\n*google/cloud/vertexai/v1/explanation.p"
+      "\n"
+          + "*google/cloud/vertexai/v1/explanation.p"
           + "roto\022\030google.cloud.vertexai.v1\032\037google/a"
-          + "pi/field_behavior.proto\0323google/cloud/ve"
-          + "rtexai/v1/explanation_metadata.proto\032!go"
-          + "ogle/cloud/vertexai/v1/io.proto\032\034google/"
-          + "protobuf/struct.proto\"\213\001\n\013Explanation\022@\n"
-          + "\014attributions\030\001 \003(\0132%.google.cloud.verte"
-          + "xai.v1.AttributionB\003\340A\003\022:\n\tneighbors\030\002 \003"
-          + "(\0132\".google.cloud.vertexai.v1.NeighborB\003"
-          + "\340A\003\"Y\n\020ModelExplanation\022E\n\021mean_attribut"
-          + "ions\030\001 \003(\0132%.google.cloud.vertexai.v1.At"
-          + "tributionB\003\340A\003\"\211\002\n\013Attribution\022\"\n\025baseli"
-          + "ne_output_value\030\001 \001(\001B\003\340A\003\022\"\n\025instance_o"
-          + "utput_value\030\002 \001(\001B\003\340A\003\0229\n\024feature_attrib"
-          + "utions\030\003 \001(\0132\026.google.protobuf.ValueB\003\340A"
-          + "\003\022\031\n\014output_index\030\004 \003(\005B\003\340A\003\022 \n\023output_d"
-          + "isplay_name\030\005 \001(\tB\003\340A\003\022 \n\023approximation_"
-          + "error\030\006 \001(\001B\003\340A\003\022\030\n\013output_name\030\007 \001(\tB\003\340"
-          + "A\003\"D\n\010Neighbor\022\030\n\013neighbor_id\030\001 \001(\tB\003\340A\003"
-          + "\022\036\n\021neighbor_distance\030\002 \001(\001B\003\340A\003\"\241\001\n\017Exp"
-          + "lanationSpec\022H\n\nparameters\030\001 \001(\0132/.googl"
-          + "e.cloud.vertexai.v1.ExplanationParameter"
-          + "sB\003\340A\002\022D\n\010metadata\030\002 \001(\0132-.google.cloud."
-          + "vertexai.v1.ExplanationMetadataB\003\340A\001\"\245\003\n"
-          + "\025ExplanationParameters\022Z\n\033sampled_shaple"
-          + "y_attribution\030\001 \001(\01323.google.cloud.verte"
-          + "xai.v1.SampledShapleyAttributionH\000\022d\n in"
-          + "tegrated_gradients_attribution\030\002 \001(\01328.g"
-          + "oogle.cloud.vertexai.v1.IntegratedGradie"
-          + "ntsAttributionH\000\022E\n\020xrai_attribution\030\003 \001"
-          + "(\0132).google.cloud.vertexai.v1.XraiAttrib"
-          + "utionH\000\0226\n\010examples\030\007 \001(\0132\".google.cloud"
-          + ".vertexai.v1.ExamplesH\000\022\r\n\005top_k\030\004 \001(\005\0222"
-          + "\n\016output_indices\030\005 \001(\0132\032.google.protobuf"
-          + ".ListValueB\010\n\006method\"4\n\031SampledShapleyAt"
-          + "tribution\022\027\n\npath_count\030\001 \001(\005B\003\340A\002\"\315\001\n\036I"
-          + "ntegratedGradientsAttribution\022\027\n\nstep_co"
-          + "unt\030\001 \001(\005B\003\340A\002\022F\n\022smooth_grad_config\030\002 \001"
-          + "(\0132*.google.cloud.vertexai.v1.SmoothGrad"
-          + "Config\022J\n\024blur_baseline_config\030\003 \001(\0132,.g"
-          + "oogle.cloud.vertexai.v1.BlurBaselineConf"
-          + "ig\"\276\001\n\017XraiAttribution\022\027\n\nstep_count\030\001 \001"
-          + "(\005B\003\340A\002\022F\n\022smooth_grad_config\030\002 \001(\0132*.go"
-          + "ogle.cloud.vertexai.v1.SmoothGradConfig\022"
-          + "J\n\024blur_baseline_config\030\003 \001(\0132,.google.c"
-          + "loud.vertexai.v1.BlurBaselineConfig\"\247\001\n\020"
-          + "SmoothGradConfig\022\025\n\013noise_sigma\030\001 \001(\002H\000\022"
-          + "J\n\023feature_noise_sigma\030\002 \001(\0132+.google.cl"
-          + "oud.vertexai.v1.FeatureNoiseSigmaH\000\022\032\n\022n"
-          + "oisy_sample_count\030\003 \001(\005B\024\n\022GradientNoise"
-          + "Sigma\"\237\001\n\021FeatureNoiseSigma\022U\n\013noise_sig"
-          + "ma\030\001 \003(\0132@.google.cloud.vertexai.v1.Feat"
-          + "ureNoiseSigma.NoiseSigmaForFeature\0323\n\024No"
-          + "iseSigmaForFeature\022\014\n\004name\030\001 \001(\t\022\r\n\005sigm"
-          + "a\030\002 \001(\002\",\n\022BlurBaselineConfig\022\026\n\016max_blu"
-          + "r_sigma\030\001 \001(\002\"\332\003\n\010Examples\022Q\n\022example_gc"
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-            .getNestedTypes()
-            .get(1);
+            .getNestedType(1);
     internal_static_google_cloud_vertexai_v1_ExplanationMetadataOverride_InputsEntry_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ExplanationMetadataOverride_InputsEntry_descriptor,
             new java.lang.String[] {
               "Key", "Value",
             });
     internal_static_google_cloud_vertexai_v1_ExamplesOverride_descriptor =
-        getDescriptor().getMessageTypes().get(16);
+        getDescriptor().getMessageType(16);
     internal_static_google_cloud_vertexai_v1_ExamplesOverride_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ExamplesOverride_descriptor,
             new java.lang.String[] {
               "NeighborCount", "CrowdingCount", "Restrictions", "ReturnEmbeddings", "DataFormat",
             });
     internal_static_google_cloud_vertexai_v1_ExamplesRestrictionsNamespace_descriptor =
-        getDescriptor().getMessageTypes().get(17);
+        getDescriptor().getMessageType(17);
     internal_static_google_cloud_vertexai_v1_ExamplesRestrictionsNamespace_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ExamplesRestrictionsNamespace_descriptor,
             new java.lang.String[] {
               "NamespaceName", "Allow", "Deny",
             });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.cloud.vertexai.api.ExplanationMetadataProto.getDescriptor();
+    com.google.cloud.vertexai.api.IoProto.getDescriptor();
+    com.google.protobuf.StructProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.cloud.vertexai.api.ExplanationMetadataProto.getDescriptor();
-    com.google.cloud.vertexai.api.IoProto.getDescriptor();
-    com.google.protobuf.StructProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpec.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpec.java
index 65b7f3eb1c25..7ac2300d7ada 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpec.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpec.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ExplanationSpec}
  */
-public final class ExplanationSpec extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ExplanationSpec extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExplanationSpec)
     ExplanationSpecOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ExplanationSpec");
+  }
+
   // Use ExplanationSpec.newBuilder() to construct.
-  private ExplanationSpec(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ExplanationSpec(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private ExplanationSpec() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ExplanationSpec();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_ExplanationSpec_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_ExplanationSpec_fieldAccessorTable
@@ -301,38 +307,38 @@ public static com.google.cloud.vertexai.api.ExplanationSpec parseFrom(
 
   public static com.google.cloud.vertexai.api.ExplanationSpec parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationSpec parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationSpec parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationSpec parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationSpec parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationSpec parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -355,7 +361,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -369,7 +375,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ExplanationSpec}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExplanationSpec)
       com.google.cloud.vertexai.api.ExplanationSpecOrBuilder {
@@ -379,7 +385,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_ExplanationSpec_fieldAccessorTable
@@ -393,15 +399,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getParametersFieldBuilder();
-        getMetadataFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetParametersFieldBuilder();
+        internalGetMetadataFieldBuilder();
       }
     }
 
@@ -467,39 +473,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ExplanationSpec result)
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ExplanationSpec) {
@@ -546,13 +519,15 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getParametersFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetParametersFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
             case 18:
               {
-                input.readMessage(getMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetMetadataFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
@@ -576,7 +551,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.ExplanationParameters parameters_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExplanationParameters,
             com.google.cloud.vertexai.api.ExplanationParameters.Builder,
             com.google.cloud.vertexai.api.ExplanationParametersOrBuilder>
@@ -737,7 +712,7 @@ public Builder clearParameters() {
     public com.google.cloud.vertexai.api.ExplanationParameters.Builder getParametersBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getParametersFieldBuilder().getBuilder();
+      return internalGetParametersFieldBuilder().getBuilder();
     }
 
     /**
@@ -772,14 +747,14 @@ public com.google.cloud.vertexai.api.ExplanationParametersOrBuilder getParameter
      * .google.cloud.vertexai.v1.ExplanationParameters parameters = 1 [(.google.api.field_behavior) = REQUIRED];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExplanationParameters,
             com.google.cloud.vertexai.api.ExplanationParameters.Builder,
             com.google.cloud.vertexai.api.ExplanationParametersOrBuilder>
-        getParametersFieldBuilder() {
+        internalGetParametersFieldBuilder() {
       if (parametersBuilder_ == null) {
         parametersBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.ExplanationParameters,
                 com.google.cloud.vertexai.api.ExplanationParameters.Builder,
                 com.google.cloud.vertexai.api.ExplanationParametersOrBuilder>(
@@ -790,7 +765,7 @@ public com.google.cloud.vertexai.api.ExplanationParametersOrBuilder getParameter
     }
 
     private com.google.cloud.vertexai.api.ExplanationMetadata metadata_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExplanationMetadata,
             com.google.cloud.vertexai.api.ExplanationMetadata.Builder,
             com.google.cloud.vertexai.api.ExplanationMetadataOrBuilder>
@@ -951,7 +926,7 @@ public Builder clearMetadata() {
     public com.google.cloud.vertexai.api.ExplanationMetadata.Builder getMetadataBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getMetadataFieldBuilder().getBuilder();
+      return internalGetMetadataFieldBuilder().getBuilder();
     }
 
     /**
@@ -986,14 +961,14 @@ public com.google.cloud.vertexai.api.ExplanationMetadataOrBuilder getMetadataOrB
      * .google.cloud.vertexai.v1.ExplanationMetadata metadata = 2 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExplanationMetadata,
             com.google.cloud.vertexai.api.ExplanationMetadata.Builder,
             com.google.cloud.vertexai.api.ExplanationMetadataOrBuilder>
-        getMetadataFieldBuilder() {
+        internalGetMetadataFieldBuilder() {
       if (metadataBuilder_ == null) {
         metadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.ExplanationMetadata,
                 com.google.cloud.vertexai.api.ExplanationMetadata.Builder,
                 com.google.cloud.vertexai.api.ExplanationMetadataOrBuilder>(
@@ -1003,17 +978,6 @@ public com.google.cloud.vertexai.api.ExplanationMetadataOrBuilder getMetadataOrB
       return metadataBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExplanationSpec)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpecOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpecOrBuilder.java
index 737352602cfa..a99b6662e56e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpecOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpecOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ExplanationSpecOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ExplanationSpec)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpecOverride.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpecOverride.java
index 7d56ba9af542..8f3a67ab3103 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpecOverride.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpecOverride.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -30,32 +31,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ExplanationSpecOverride}
  */
-public final class ExplanationSpecOverride extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ExplanationSpecOverride extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ExplanationSpecOverride)
     ExplanationSpecOverrideOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ExplanationSpecOverride");
+  }
+
   // Use ExplanationSpecOverride.newBuilder() to construct.
-  private ExplanationSpecOverride(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ExplanationSpecOverride(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private ExplanationSpecOverride() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ExplanationSpecOverride();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_ExplanationSpecOverride_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_ExplanationSpecOverride_fieldAccessorTable
@@ -364,38 +370,38 @@ public static com.google.cloud.vertexai.api.ExplanationSpecOverride parseFrom(
 
   public static com.google.cloud.vertexai.api.ExplanationSpecOverride parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationSpecOverride parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationSpecOverride parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationSpecOverride parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationSpecOverride parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ExplanationSpecOverride parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -419,7 +425,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -435,7 +441,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ExplanationSpecOverride}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ExplanationSpecOverride)
       com.google.cloud.vertexai.api.ExplanationSpecOverrideOrBuilder {
@@ -445,7 +451,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_ExplanationSpecOverride_fieldAccessorTable
@@ -459,16 +465,16 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getParametersFieldBuilder();
-        getMetadataFieldBuilder();
-        getExamplesOverrideFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetParametersFieldBuilder();
+        internalGetMetadataFieldBuilder();
+        internalGetExamplesOverrideFieldBuilder();
       }
     }
 
@@ -544,39 +550,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ExplanationSpecOverride
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ExplanationSpecOverride) {
@@ -627,20 +600,22 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getParametersFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetParametersFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
             case 18:
               {
-                input.readMessage(getMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetMetadataFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
             case 26:
               {
                 input.readMessage(
-                    getExamplesOverrideFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetExamplesOverrideFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 26
@@ -664,7 +639,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.ExplanationParameters parameters_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExplanationParameters,
             com.google.cloud.vertexai.api.ExplanationParameters.Builder,
             com.google.cloud.vertexai.api.ExplanationParametersOrBuilder>
@@ -825,7 +800,7 @@ public Builder clearParameters() {
     public com.google.cloud.vertexai.api.ExplanationParameters.Builder getParametersBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getParametersFieldBuilder().getBuilder();
+      return internalGetParametersFieldBuilder().getBuilder();
     }
 
     /**
@@ -860,14 +835,14 @@ public com.google.cloud.vertexai.api.ExplanationParametersOrBuilder getParameter
      *
      * <code>.google.cloud.vertexai.v1.ExplanationParameters parameters = 1;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExplanationParameters,
             com.google.cloud.vertexai.api.ExplanationParameters.Builder,
             com.google.cloud.vertexai.api.ExplanationParametersOrBuilder>
-        getParametersFieldBuilder() {
+        internalGetParametersFieldBuilder() {
       if (parametersBuilder_ == null) {
         parametersBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.ExplanationParameters,
                 com.google.cloud.vertexai.api.ExplanationParameters.Builder,
                 com.google.cloud.vertexai.api.ExplanationParametersOrBuilder>(
@@ -878,7 +853,7 @@ public com.google.cloud.vertexai.api.ExplanationParametersOrBuilder getParameter
     }
 
     private com.google.cloud.vertexai.api.ExplanationMetadataOverride metadata_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExplanationMetadataOverride,
             com.google.cloud.vertexai.api.ExplanationMetadataOverride.Builder,
             com.google.cloud.vertexai.api.ExplanationMetadataOverrideOrBuilder>
@@ -1025,7 +1000,7 @@ public Builder clearMetadata() {
     public com.google.cloud.vertexai.api.ExplanationMetadataOverride.Builder getMetadataBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getMetadataFieldBuilder().getBuilder();
+      return internalGetMetadataFieldBuilder().getBuilder();
     }
 
     /**
@@ -1057,14 +1032,14 @@ public com.google.cloud.vertexai.api.ExplanationMetadataOverride.Builder getMeta
      *
      * <code>.google.cloud.vertexai.v1.ExplanationMetadataOverride metadata = 2;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExplanationMetadataOverride,
             com.google.cloud.vertexai.api.ExplanationMetadataOverride.Builder,
             com.google.cloud.vertexai.api.ExplanationMetadataOverrideOrBuilder>
-        getMetadataFieldBuilder() {
+        internalGetMetadataFieldBuilder() {
       if (metadataBuilder_ == null) {
         metadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.ExplanationMetadataOverride,
                 com.google.cloud.vertexai.api.ExplanationMetadataOverride.Builder,
                 com.google.cloud.vertexai.api.ExplanationMetadataOverrideOrBuilder>(
@@ -1075,7 +1050,7 @@ public com.google.cloud.vertexai.api.ExplanationMetadataOverride.Builder getMeta
     }
 
     private com.google.cloud.vertexai.api.ExamplesOverride examplesOverride_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExamplesOverride,
             com.google.cloud.vertexai.api.ExamplesOverride.Builder,
             com.google.cloud.vertexai.api.ExamplesOverrideOrBuilder>
@@ -1222,7 +1197,7 @@ public Builder clearExamplesOverride() {
     public com.google.cloud.vertexai.api.ExamplesOverride.Builder getExamplesOverrideBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getExamplesOverrideFieldBuilder().getBuilder();
+      return internalGetExamplesOverrideFieldBuilder().getBuilder();
     }
 
     /**
@@ -1253,14 +1228,14 @@ public com.google.cloud.vertexai.api.ExamplesOverrideOrBuilder getExamplesOverri
      *
      * <code>.google.cloud.vertexai.v1.ExamplesOverride examples_override = 3;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExamplesOverride,
             com.google.cloud.vertexai.api.ExamplesOverride.Builder,
             com.google.cloud.vertexai.api.ExamplesOverrideOrBuilder>
-        getExamplesOverrideFieldBuilder() {
+        internalGetExamplesOverrideFieldBuilder() {
       if (examplesOverrideBuilder_ == null) {
         examplesOverrideBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.ExamplesOverride,
                 com.google.cloud.vertexai.api.ExamplesOverride.Builder,
                 com.google.cloud.vertexai.api.ExamplesOverrideOrBuilder>(
@@ -1270,17 +1245,6 @@ public com.google.cloud.vertexai.api.ExamplesOverrideOrBuilder getExamplesOverri
       return examplesOverrideBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ExplanationSpecOverride)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpecOverrideOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpecOverrideOrBuilder.java
index 2fe31848c6c5..05dae733d2e7 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpecOverrideOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationSpecOverrideOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ExplanationSpecOverrideOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ExplanationSpecOverride)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FasterDeploymentConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FasterDeploymentConfig.java
index ef38871a0038..5dfcf6c57e0d 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FasterDeploymentConfig.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FasterDeploymentConfig.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.FasterDeploymentConfig}
  */
-public final class FasterDeploymentConfig extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class FasterDeploymentConfig extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.FasterDeploymentConfig)
     FasterDeploymentConfigOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "FasterDeploymentConfig");
+  }
+
   // Use FasterDeploymentConfig.newBuilder() to construct.
-  private FasterDeploymentConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private FasterDeploymentConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private FasterDeploymentConfig() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new FasterDeploymentConfig();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointProto
         .internal_static_google_cloud_vertexai_v1_FasterDeploymentConfig_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointProto
         .internal_static_google_cloud_vertexai_v1_FasterDeploymentConfig_fieldAccessorTable
@@ -182,38 +188,38 @@ public static com.google.cloud.vertexai.api.FasterDeploymentConfig parseFrom(
 
   public static com.google.cloud.vertexai.api.FasterDeploymentConfig parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FasterDeploymentConfig parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.FasterDeploymentConfig parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FasterDeploymentConfig parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.FasterDeploymentConfig parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FasterDeploymentConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -236,7 +242,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -250,7 +256,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.FasterDeploymentConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.FasterDeploymentConfig)
       com.google.cloud.vertexai.api.FasterDeploymentConfigOrBuilder {
@@ -260,7 +266,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointProto
           .internal_static_google_cloud_vertexai_v1_FasterDeploymentConfig_fieldAccessorTable
@@ -272,7 +278,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.FasterDeploymentConfig.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -322,39 +328,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.FasterDeploymentConfig
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.FasterDeploymentConfig) {
@@ -478,17 +451,6 @@ public Builder clearFastTryoutEnabled() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.FasterDeploymentConfig)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FasterDeploymentConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FasterDeploymentConfigOrBuilder.java
index cbd84d77df31..5e29f3965a0f 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FasterDeploymentConfigOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FasterDeploymentConfigOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface FasterDeploymentConfigOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.FasterDeploymentConfig)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FeatureNoiseSigma.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FeatureNoiseSigma.java
index 913278f69330..544cd72617cd 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FeatureNoiseSigma.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FeatureNoiseSigma.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -30,14 +31,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.FeatureNoiseSigma}
  */
-public final class FeatureNoiseSigma extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class FeatureNoiseSigma extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.FeatureNoiseSigma)
     FeatureNoiseSigmaOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "FeatureNoiseSigma");
+  }
+
   // Use FeatureNoiseSigma.newBuilder() to construct.
-  private FeatureNoiseSigma(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private FeatureNoiseSigma(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,13 @@ private FeatureNoiseSigma() {
     noiseSigma_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new FeatureNoiseSigma();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_FeatureNoiseSigma_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_FeatureNoiseSigma_fieldAccessorTable
@@ -129,14 +135,24 @@ public interface NoiseSigmaForFeatureOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.FeatureNoiseSigma.NoiseSigmaForFeature}
    */
-  public static final class NoiseSigmaForFeature extends com.google.protobuf.GeneratedMessageV3
+  public static final class NoiseSigmaForFeature extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.FeatureNoiseSigma.NoiseSigmaForFeature)
       NoiseSigmaForFeatureOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "NoiseSigmaForFeature");
+    }
+
     // Use NoiseSigmaForFeature.newBuilder() to construct.
-    private NoiseSigmaForFeature(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private NoiseSigmaForFeature(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -144,19 +160,13 @@ private NoiseSigmaForFeature() {
       name_ = "";
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new NoiseSigmaForFeature();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_FeatureNoiseSigma_NoiseSigmaForFeature_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_FeatureNoiseSigma_NoiseSigmaForFeature_fieldAccessorTable
@@ -260,8 +270,8 @@ public final boolean isInitialized() {
 
     @java.lang.Override
     public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
       }
       if (java.lang.Float.floatToRawIntBits(sigma_) != 0) {
         output.writeFloat(2, sigma_);
@@ -275,8 +285,8 @@ public int getSerializedSize() {
       if (size != -1) return size;
 
       size = 0;
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
       }
       if (java.lang.Float.floatToRawIntBits(sigma_) != 0) {
         size += com.google.protobuf.CodedOutputStream.computeFloatSize(2, sigma_);
@@ -357,39 +367,39 @@ public static com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeatu
 
     public static com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature
         parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature
         parseDelimitedFrom(
             java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
             throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -413,8 +423,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -428,8 +437,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.FeatureNoiseSigma.NoiseSigmaForFeature}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.FeatureNoiseSigma.NoiseSigmaForFeature)
         com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeatureOrBuilder {
@@ -439,7 +447,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ExplanationProto
             .internal_static_google_cloud_vertexai_v1_FeatureNoiseSigma_NoiseSigmaForFeature_fieldAccessorTable
@@ -452,7 +460,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -510,41 +518,6 @@ private void buildPartial0(
         }
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature) {
@@ -566,7 +539,7 @@ public Builder mergeFrom(
           bitField0_ |= 0x00000001;
           onChanged();
         }
-        if (other.getSigma() != 0F) {
+        if (java.lang.Float.floatToRawIntBits(other.getSigma()) != 0) {
           setSigma(other.getSigma());
         }
         this.mergeUnknownFields(other.getUnknownFields());
@@ -817,18 +790,6 @@ public Builder clearSigma() {
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.FeatureNoiseSigma.NoiseSigmaForFeature)
     }
 
@@ -1078,38 +1039,38 @@ public static com.google.cloud.vertexai.api.FeatureNoiseSigma parseFrom(
 
   public static com.google.cloud.vertexai.api.FeatureNoiseSigma parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FeatureNoiseSigma parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.FeatureNoiseSigma parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FeatureNoiseSigma parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.FeatureNoiseSigma parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FeatureNoiseSigma parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -1132,7 +1093,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -1148,7 +1109,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.FeatureNoiseSigma}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.FeatureNoiseSigma)
       com.google.cloud.vertexai.api.FeatureNoiseSigmaOrBuilder {
@@ -1158,7 +1119,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_FeatureNoiseSigma_fieldAccessorTable
@@ -1170,7 +1131,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.FeatureNoiseSigma.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -1237,39 +1198,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.FeatureNoiseSigma resul
       int from_bitField0_ = bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.FeatureNoiseSigma) {
@@ -1302,8 +1230,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.FeatureNoiseSigma other)
             noiseSigma_ = other.noiseSigma_;
             bitField0_ = (bitField0_ & ~0x00000001);
             noiseSigmaBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getNoiseSigmaFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetNoiseSigmaFieldBuilder()
                     : null;
           } else {
             noiseSigmaBuilder_.addAllMessages(other.noiseSigma_);
@@ -1382,7 +1310,7 @@ private void ensureNoiseSigmaIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature,
             com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature.Builder,
             com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeatureOrBuilder>
@@ -1681,7 +1609,7 @@ public Builder removeNoiseSigma(int index) {
      */
     public com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature.Builder
         getNoiseSigmaBuilder(int index) {
-      return getNoiseSigmaFieldBuilder().getBuilder(index);
+      return internalGetNoiseSigmaFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1738,7 +1666,7 @@ public Builder removeNoiseSigma(int index) {
      */
     public com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature.Builder
         addNoiseSigmaBuilder() {
-      return getNoiseSigmaFieldBuilder()
+      return internalGetNoiseSigmaFieldBuilder()
           .addBuilder(
               com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature
                   .getDefaultInstance());
@@ -1757,7 +1685,7 @@ public Builder removeNoiseSigma(int index) {
      */
     public com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature.Builder
         addNoiseSigmaBuilder(int index) {
-      return getNoiseSigmaFieldBuilder()
+      return internalGetNoiseSigmaFieldBuilder()
           .addBuilder(
               index,
               com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature
@@ -1778,17 +1706,17 @@ public Builder removeNoiseSigma(int index) {
     public java.util.List<
             com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature.Builder>
         getNoiseSigmaBuilderList() {
-      return getNoiseSigmaFieldBuilder().getBuilderList();
+      return internalGetNoiseSigmaFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature,
             com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature.Builder,
             com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeatureOrBuilder>
-        getNoiseSigmaFieldBuilder() {
+        internalGetNoiseSigmaFieldBuilder() {
       if (noiseSigmaBuilder_ == null) {
         noiseSigmaBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature,
                 com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature.Builder,
                 com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeatureOrBuilder>(
@@ -1798,17 +1726,6 @@ public Builder removeNoiseSigma(int index) {
       return noiseSigmaBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.FeatureNoiseSigma)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FeatureNoiseSigmaOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FeatureNoiseSigmaOrBuilder.java
index ce7b08e3b7d9..bceaedffd94f 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FeatureNoiseSigmaOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FeatureNoiseSigmaOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface FeatureNoiseSigmaOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.FeatureNoiseSigma)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FileData.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FileData.java
index 111cccca6c77..6163668dc233 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FileData.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FileData.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.FileData}
  */
-public final class FileData extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class FileData extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.FileData)
     FileDataOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "FileData");
+  }
+
   // Use FileData.newBuilder() to construct.
-  private FileData(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private FileData(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private FileData() {
     fileUri_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new FileData();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_FileData_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_FileData_fieldAccessorTable
@@ -185,11 +191,11 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(mimeType_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, mimeType_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mimeType_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, mimeType_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(fileUri_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, fileUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(fileUri_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, fileUri_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -200,11 +206,11 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(mimeType_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, mimeType_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mimeType_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, mimeType_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(fileUri_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, fileUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(fileUri_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, fileUri_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -280,38 +286,38 @@ public static com.google.cloud.vertexai.api.FileData parseFrom(
 
   public static com.google.cloud.vertexai.api.FileData parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FileData parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.FileData parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FileData parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.FileData parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FileData parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -334,7 +340,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -348,7 +354,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.FileData}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.FileData)
       com.google.cloud.vertexai.api.FileDataOrBuilder {
@@ -358,7 +364,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_FileData_fieldAccessorTable
@@ -370,7 +376,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.FileData.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -424,39 +430,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.FileData result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.FileData) {
@@ -758,17 +731,6 @@ public Builder setFileUriBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.FileData)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FileDataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FileDataOrBuilder.java
index 7d0c6def7448..009617e15ffc 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FileDataOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FileDataOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface FileDataOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.FileData)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FileStatus.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FileStatus.java
new file mode 100644
index 000000000000..a80ad67837d5
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FileStatus.java
@@ -0,0 +1,934 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * RagFile status.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.FileStatus}
+ */
+@com.google.protobuf.Generated
+public final class FileStatus extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.FileStatus)
+    FileStatusOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "FileStatus");
+  }
+
+  // Use FileStatus.newBuilder() to construct.
+  private FileStatus(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private FileStatus() {
+    state_ = 0;
+    errorStatus_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_FileStatus_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_FileStatus_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.FileStatus.class,
+            com.google.cloud.vertexai.api.FileStatus.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * RagFile state.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.vertexai.v1.FileStatus.State}
+   */
+  public enum State implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * RagFile state is unspecified.
+     * </pre>
+     *
+     * <code>STATE_UNSPECIFIED = 0;</code>
+     */
+    STATE_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * RagFile resource has been created and indexed successfully.
+     * </pre>
+     *
+     * <code>ACTIVE = 1;</code>
+     */
+    ACTIVE(1),
+    /**
+     *
+     *
+     * <pre>
+     * RagFile resource is in a problematic state.
+     * See `error_message` field for details.
+     * </pre>
+     *
+     * <code>ERROR = 2;</code>
+     */
+    ERROR(2),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "State");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * RagFile state is unspecified.
+     * </pre>
+     *
+     * <code>STATE_UNSPECIFIED = 0;</code>
+     */
+    public static final int STATE_UNSPECIFIED_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * RagFile resource has been created and indexed successfully.
+     * </pre>
+     *
+     * <code>ACTIVE = 1;</code>
+     */
+    public static final int ACTIVE_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * RagFile resource is in a problematic state.
+     * See `error_message` field for details.
+     * </pre>
+     *
+     * <code>ERROR = 2;</code>
+     */
+    public static final int ERROR_VALUE = 2;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static State valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static State forNumber(int value) {
+      switch (value) {
+        case 0:
+          return STATE_UNSPECIFIED;
+        case 1:
+          return ACTIVE;
+        case 2:
+          return ERROR;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<State> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<State> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<State>() {
+          public State findValueByNumber(int number) {
+            return State.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.FileStatus.getDescriptor().getEnumTypes().get(0);
+    }
+
+    private static final State[] VALUES = values();
+
+    public static State valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private State(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.vertexai.v1.FileStatus.State)
+  }
+
+  public static final int STATE_FIELD_NUMBER = 1;
+  private int state_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. RagFile state.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.FileStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for state.
+   */
+  @java.lang.Override
+  public int getStateValue() {
+    return state_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. RagFile state.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.FileStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The state.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.FileStatus.State getState() {
+    com.google.cloud.vertexai.api.FileStatus.State result =
+        com.google.cloud.vertexai.api.FileStatus.State.forNumber(state_);
+    return result == null ? com.google.cloud.vertexai.api.FileStatus.State.UNRECOGNIZED : result;
+  }
+
+  public static final int ERROR_STATUS_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object errorStatus_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Only when the `state` field is ERROR.
+   * </pre>
+   *
+   * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The errorStatus.
+   */
+  @java.lang.Override
+  public java.lang.String getErrorStatus() {
+    java.lang.Object ref = errorStatus_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      errorStatus_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Only when the `state` field is ERROR.
+   * </pre>
+   *
+   * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for errorStatus.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getErrorStatusBytes() {
+    java.lang.Object ref = errorStatus_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      errorStatus_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (state_ != com.google.cloud.vertexai.api.FileStatus.State.STATE_UNSPECIFIED.getNumber()) {
+      output.writeEnum(1, state_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(errorStatus_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, errorStatus_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (state_ != com.google.cloud.vertexai.api.FileStatus.State.STATE_UNSPECIFIED.getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(1, state_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(errorStatus_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, errorStatus_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.FileStatus)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.FileStatus other = (com.google.cloud.vertexai.api.FileStatus) obj;
+
+    if (state_ != other.state_) return false;
+    if (!getErrorStatus().equals(other.getErrorStatus())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + STATE_FIELD_NUMBER;
+    hash = (53 * hash) + state_;
+    hash = (37 * hash) + ERROR_STATUS_FIELD_NUMBER;
+    hash = (53 * hash) + getErrorStatus().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.FileStatus parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.FileStatus parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.FileStatus parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.FileStatus parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.FileStatus parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.FileStatus parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.FileStatus parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.FileStatus parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.FileStatus parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.FileStatus parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.FileStatus parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.FileStatus parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.FileStatus prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * RagFile status.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.FileStatus}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.FileStatus)
+      com.google.cloud.vertexai.api.FileStatusOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_FileStatus_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_FileStatus_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.FileStatus.class,
+              com.google.cloud.vertexai.api.FileStatus.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.FileStatus.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      state_ = 0;
+      errorStatus_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_FileStatus_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.FileStatus getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.FileStatus.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.FileStatus build() {
+      com.google.cloud.vertexai.api.FileStatus result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.FileStatus buildPartial() {
+      com.google.cloud.vertexai.api.FileStatus result =
+          new com.google.cloud.vertexai.api.FileStatus(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.FileStatus result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.state_ = state_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.errorStatus_ = errorStatus_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.FileStatus) {
+        return mergeFrom((com.google.cloud.vertexai.api.FileStatus) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.FileStatus other) {
+      if (other == com.google.cloud.vertexai.api.FileStatus.getDefaultInstance()) return this;
+      if (other.state_ != 0) {
+        setStateValue(other.getStateValue());
+      }
+      if (!other.getErrorStatus().isEmpty()) {
+        errorStatus_ = other.errorStatus_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 8:
+              {
+                state_ = input.readEnum();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 8
+            case 18:
+              {
+                errorStatus_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private int state_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagFile state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.FileStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for state.
+     */
+    @java.lang.Override
+    public int getStateValue() {
+      return state_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagFile state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.FileStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for state to set.
+     * @return This builder for chaining.
+     */
+    public Builder setStateValue(int value) {
+      state_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagFile state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.FileStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The state.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.FileStatus.State getState() {
+      com.google.cloud.vertexai.api.FileStatus.State result =
+          com.google.cloud.vertexai.api.FileStatus.State.forNumber(state_);
+      return result == null ? com.google.cloud.vertexai.api.FileStatus.State.UNRECOGNIZED : result;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagFile state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.FileStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The state to set.
+     * @return This builder for chaining.
+     */
+    public Builder setState(com.google.cloud.vertexai.api.FileStatus.State value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00000001;
+      state_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagFile state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.FileStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearState() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      state_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object errorStatus_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Only when the `state` field is ERROR.
+     * </pre>
+     *
+     * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The errorStatus.
+     */
+    public java.lang.String getErrorStatus() {
+      java.lang.Object ref = errorStatus_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        errorStatus_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Only when the `state` field is ERROR.
+     * </pre>
+     *
+     * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for errorStatus.
+     */
+    public com.google.protobuf.ByteString getErrorStatusBytes() {
+      java.lang.Object ref = errorStatus_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        errorStatus_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Only when the `state` field is ERROR.
+     * </pre>
+     *
+     * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The errorStatus to set.
+     * @return This builder for chaining.
+     */
+    public Builder setErrorStatus(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      errorStatus_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Only when the `state` field is ERROR.
+     * </pre>
+     *
+     * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearErrorStatus() {
+      errorStatus_ = getDefaultInstance().getErrorStatus();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Only when the `state` field is ERROR.
+     * </pre>
+     *
+     * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for errorStatus to set.
+     * @return This builder for chaining.
+     */
+    public Builder setErrorStatusBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      errorStatus_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.FileStatus)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.FileStatus)
+  private static final com.google.cloud.vertexai.api.FileStatus DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.FileStatus();
+  }
+
+  public static com.google.cloud.vertexai.api.FileStatus getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<FileStatus> PARSER =
+      new com.google.protobuf.AbstractParser<FileStatus>() {
+        @java.lang.Override
+        public FileStatus parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<FileStatus> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<FileStatus> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.FileStatus getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FileStatusOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FileStatusOrBuilder.java
new file mode 100644
index 000000000000..380153abe63c
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FileStatusOrBuilder.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface FileStatusOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.FileStatus)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. RagFile state.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.FileStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for state.
+   */
+  int getStateValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. RagFile state.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.FileStatus.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The state.
+   */
+  com.google.cloud.vertexai.api.FileStatus.State getState();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Only when the `state` field is ERROR.
+   * </pre>
+   *
+   * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The errorStatus.
+   */
+  java.lang.String getErrorStatus();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Only when the `state` field is ERROR.
+   * </pre>
+   *
+   * <code>string error_status = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for errorStatus.
+   */
+  com.google.protobuf.ByteString getErrorStatusBytes();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCall.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCall.java
index 221ea742a1da..b7f8986439c3 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCall.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCall.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -30,25 +31,31 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.FunctionCall}
  */
-public final class FunctionCall extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class FunctionCall extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.FunctionCall)
     FunctionCallOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "FunctionCall");
+  }
+
   // Use FunctionCall.newBuilder() to construct.
-  private FunctionCall(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private FunctionCall(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private FunctionCall() {
     name_ = "";
-  }
-
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new FunctionCall();
+    partialArgs_ = java.util.Collections.emptyList();
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -57,7 +64,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_FunctionCall_fieldAccessorTable
@@ -76,11 +83,11 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Required. The name of the function to call.
+   * Optional. The name of the function to call.
    * Matches [FunctionDeclaration.name].
    * </pre>
    *
-   * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   * <code>string name = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
    *
    * @return The name.
    */
@@ -101,11 +108,11 @@ public java.lang.String getName() {
    *
    *
    * <pre>
-   * Required. The name of the function to call.
+   * Optional. The name of the function to call.
    * Matches [FunctionDeclaration.name].
    * </pre>
    *
-   * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   * <code>string name = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
    *
    * @return The bytes for name.
    */
@@ -129,8 +136,8 @@ public com.google.protobuf.ByteString getNameBytes() {
    *
    *
    * <pre>
-   * Optional. Required. The function parameters and values in JSON object
-   * format. See [FunctionDeclaration.parameters] for parameter details.
+   * Optional. The function parameters and values in JSON object format.
+   * See [FunctionDeclaration.parameters] for parameter details.
    * </pre>
    *
    * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -146,8 +153,8 @@ public boolean hasArgs() {
    *
    *
    * <pre>
-   * Optional. Required. The function parameters and values in JSON object
-   * format. See [FunctionDeclaration.parameters] for parameter details.
+   * Optional. The function parameters and values in JSON object format.
+   * See [FunctionDeclaration.parameters] for parameter details.
    * </pre>
    *
    * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -163,8 +170,8 @@ public com.google.protobuf.Struct getArgs() {
    *
    *
    * <pre>
-   * Optional. Required. The function parameters and values in JSON object
-   * format. See [FunctionDeclaration.parameters] for parameter details.
+   * Optional. The function parameters and values in JSON object format.
+   * See [FunctionDeclaration.parameters] for parameter details.
    * </pre>
    *
    * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -174,6 +181,123 @@ public com.google.protobuf.StructOrBuilder getArgsOrBuilder() {
     return args_ == null ? com.google.protobuf.Struct.getDefaultInstance() : args_;
   }
 
+  public static final int PARTIAL_ARGS_FIELD_NUMBER = 4;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.vertexai.api.PartialArg> partialArgs_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The partial argument value of the function call.
+   * If provided, represents the arguments/fields that are streamed
+   * incrementally.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.vertexai.api.PartialArg> getPartialArgsList() {
+    return partialArgs_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The partial argument value of the function call.
+   * If provided, represents the arguments/fields that are streamed
+   * incrementally.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.vertexai.api.PartialArgOrBuilder>
+      getPartialArgsOrBuilderList() {
+    return partialArgs_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The partial argument value of the function call.
+   * If provided, represents the arguments/fields that are streamed
+   * incrementally.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public int getPartialArgsCount() {
+    return partialArgs_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The partial argument value of the function call.
+   * If provided, represents the arguments/fields that are streamed
+   * incrementally.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.PartialArg getPartialArgs(int index) {
+    return partialArgs_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The partial argument value of the function call.
+   * If provided, represents the arguments/fields that are streamed
+   * incrementally.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.PartialArgOrBuilder getPartialArgsOrBuilder(int index) {
+    return partialArgs_.get(index);
+  }
+
+  public static final int WILL_CONTINUE_FIELD_NUMBER = 5;
+  private boolean willContinue_ = false;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether this is the last part of the FunctionCall.
+   * If true, another partial message for the current FunctionCall is expected
+   * to follow.
+   * </pre>
+   *
+   * <code>bool will_continue = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The willContinue.
+   */
+  @java.lang.Override
+  public boolean getWillContinue() {
+    return willContinue_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -188,12 +312,18 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(2, getArgs());
     }
+    for (int i = 0; i < partialArgs_.size(); i++) {
+      output.writeMessage(4, partialArgs_.get(i));
+    }
+    if (willContinue_ != false) {
+      output.writeBool(5, willContinue_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -203,12 +333,18 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getArgs());
     }
+    for (int i = 0; i < partialArgs_.size(); i++) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, partialArgs_.get(i));
+    }
+    if (willContinue_ != false) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(5, willContinue_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -230,6 +366,8 @@ public boolean equals(final java.lang.Object obj) {
     if (hasArgs()) {
       if (!getArgs().equals(other.getArgs())) return false;
     }
+    if (!getPartialArgsList().equals(other.getPartialArgsList())) return false;
+    if (getWillContinue() != other.getWillContinue()) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -247,6 +385,12 @@ public int hashCode() {
       hash = (37 * hash) + ARGS_FIELD_NUMBER;
       hash = (53 * hash) + getArgs().hashCode();
     }
+    if (getPartialArgsCount() > 0) {
+      hash = (37 * hash) + PARTIAL_ARGS_FIELD_NUMBER;
+      hash = (53 * hash) + getPartialArgsList().hashCode();
+    }
+    hash = (37 * hash) + WILL_CONTINUE_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getWillContinue());
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -289,38 +433,38 @@ public static com.google.cloud.vertexai.api.FunctionCall parseFrom(
 
   public static com.google.cloud.vertexai.api.FunctionCall parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FunctionCall parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.FunctionCall parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FunctionCall parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.FunctionCall parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FunctionCall parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -343,7 +487,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -359,7 +503,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.FunctionCall}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.FunctionCall)
       com.google.cloud.vertexai.api.FunctionCallOrBuilder {
@@ -369,7 +513,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_FunctionCall_fieldAccessorTable
@@ -383,14 +527,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getArgsFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetArgsFieldBuilder();
+        internalGetPartialArgsFieldBuilder();
       }
     }
 
@@ -404,6 +549,14 @@ public Builder clear() {
         argsBuilder_.dispose();
         argsBuilder_ = null;
       }
+      if (partialArgsBuilder_ == null) {
+        partialArgs_ = java.util.Collections.emptyList();
+      } else {
+        partialArgs_ = null;
+        partialArgsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000004);
+      willContinue_ = false;
       return this;
     }
 
@@ -431,6 +584,7 @@ public com.google.cloud.vertexai.api.FunctionCall build() {
     public com.google.cloud.vertexai.api.FunctionCall buildPartial() {
       com.google.cloud.vertexai.api.FunctionCall result =
           new com.google.cloud.vertexai.api.FunctionCall(this);
+      buildPartialRepeatedFields(result);
       if (bitField0_ != 0) {
         buildPartial0(result);
       }
@@ -438,6 +592,18 @@ public com.google.cloud.vertexai.api.FunctionCall buildPartial() {
       return result;
     }
 
+    private void buildPartialRepeatedFields(com.google.cloud.vertexai.api.FunctionCall result) {
+      if (partialArgsBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)) {
+          partialArgs_ = java.util.Collections.unmodifiableList(partialArgs_);
+          bitField0_ = (bitField0_ & ~0x00000004);
+        }
+        result.partialArgs_ = partialArgs_;
+      } else {
+        result.partialArgs_ = partialArgsBuilder_.build();
+      }
+    }
+
     private void buildPartial0(com.google.cloud.vertexai.api.FunctionCall result) {
       int from_bitField0_ = bitField0_;
       if (((from_bitField0_ & 0x00000001) != 0)) {
@@ -448,42 +614,12 @@ private void buildPartial0(com.google.cloud.vertexai.api.FunctionCall result) {
         result.args_ = argsBuilder_ == null ? args_ : argsBuilder_.build();
         to_bitField0_ |= 0x00000001;
       }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.willContinue_ = willContinue_;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.FunctionCall) {
@@ -504,6 +640,36 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.FunctionCall other) {
       if (other.hasArgs()) {
         mergeArgs(other.getArgs());
       }
+      if (partialArgsBuilder_ == null) {
+        if (!other.partialArgs_.isEmpty()) {
+          if (partialArgs_.isEmpty()) {
+            partialArgs_ = other.partialArgs_;
+            bitField0_ = (bitField0_ & ~0x00000004);
+          } else {
+            ensurePartialArgsIsMutable();
+            partialArgs_.addAll(other.partialArgs_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.partialArgs_.isEmpty()) {
+          if (partialArgsBuilder_.isEmpty()) {
+            partialArgsBuilder_.dispose();
+            partialArgsBuilder_ = null;
+            partialArgs_ = other.partialArgs_;
+            bitField0_ = (bitField0_ & ~0x00000004);
+            partialArgsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetPartialArgsFieldBuilder()
+                    : null;
+          } else {
+            partialArgsBuilder_.addAllMessages(other.partialArgs_);
+          }
+        }
+      }
+      if (other.getWillContinue() != false) {
+        setWillContinue(other.getWillContinue());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -538,10 +704,29 @@ public Builder mergeFrom(
               } // case 10
             case 18:
               {
-                input.readMessage(getArgsFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(internalGetArgsFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
+            case 34:
+              {
+                com.google.cloud.vertexai.api.PartialArg m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.PartialArg.parser(), extensionRegistry);
+                if (partialArgsBuilder_ == null) {
+                  ensurePartialArgsIsMutable();
+                  partialArgs_.add(m);
+                } else {
+                  partialArgsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 34
+            case 40:
+              {
+                willContinue_ = input.readBool();
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 40
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -567,11 +752,11 @@ public Builder mergeFrom(
      *
      *
      * <pre>
-     * Required. The name of the function to call.
+     * Optional. The name of the function to call.
      * Matches [FunctionDeclaration.name].
      * </pre>
      *
-     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * <code>string name = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @return The name.
      */
@@ -591,11 +776,11 @@ public java.lang.String getName() {
      *
      *
      * <pre>
-     * Required. The name of the function to call.
+     * Optional. The name of the function to call.
      * Matches [FunctionDeclaration.name].
      * </pre>
      *
-     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * <code>string name = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @return The bytes for name.
      */
@@ -615,11 +800,11 @@ public com.google.protobuf.ByteString getNameBytes() {
      *
      *
      * <pre>
-     * Required. The name of the function to call.
+     * Optional. The name of the function to call.
      * Matches [FunctionDeclaration.name].
      * </pre>
      *
-     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * <code>string name = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @param value The name to set.
      * @return This builder for chaining.
@@ -638,11 +823,11 @@ public Builder setName(java.lang.String value) {
      *
      *
      * <pre>
-     * Required. The name of the function to call.
+     * Optional. The name of the function to call.
      * Matches [FunctionDeclaration.name].
      * </pre>
      *
-     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * <code>string name = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @return This builder for chaining.
      */
@@ -657,11 +842,11 @@ public Builder clearName() {
      *
      *
      * <pre>
-     * Required. The name of the function to call.
+     * Optional. The name of the function to call.
      * Matches [FunctionDeclaration.name].
      * </pre>
      *
-     * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * <code>string name = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @param value The bytes for name to set.
      * @return This builder for chaining.
@@ -678,7 +863,7 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.protobuf.Struct args_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Struct,
             com.google.protobuf.Struct.Builder,
             com.google.protobuf.StructOrBuilder>
@@ -688,8 +873,8 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      *
      *
      * <pre>
-     * Optional. Required. The function parameters and values in JSON object
-     * format. See [FunctionDeclaration.parameters] for parameter details.
+     * Optional. The function parameters and values in JSON object format.
+     * See [FunctionDeclaration.parameters] for parameter details.
      * </pre>
      *
      * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -704,8 +889,8 @@ public boolean hasArgs() {
      *
      *
      * <pre>
-     * Optional. Required. The function parameters and values in JSON object
-     * format. See [FunctionDeclaration.parameters] for parameter details.
+     * Optional. The function parameters and values in JSON object format.
+     * See [FunctionDeclaration.parameters] for parameter details.
      * </pre>
      *
      * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -724,8 +909,8 @@ public com.google.protobuf.Struct getArgs() {
      *
      *
      * <pre>
-     * Optional. Required. The function parameters and values in JSON object
-     * format. See [FunctionDeclaration.parameters] for parameter details.
+     * Optional. The function parameters and values in JSON object format.
+     * See [FunctionDeclaration.parameters] for parameter details.
      * </pre>
      *
      * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -748,8 +933,8 @@ public Builder setArgs(com.google.protobuf.Struct value) {
      *
      *
      * <pre>
-     * Optional. Required. The function parameters and values in JSON object
-     * format. See [FunctionDeclaration.parameters] for parameter details.
+     * Optional. The function parameters and values in JSON object format.
+     * See [FunctionDeclaration.parameters] for parameter details.
      * </pre>
      *
      * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -769,8 +954,8 @@ public Builder setArgs(com.google.protobuf.Struct.Builder builderForValue) {
      *
      *
      * <pre>
-     * Optional. Required. The function parameters and values in JSON object
-     * format. See [FunctionDeclaration.parameters] for parameter details.
+     * Optional. The function parameters and values in JSON object format.
+     * See [FunctionDeclaration.parameters] for parameter details.
      * </pre>
      *
      * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -798,8 +983,8 @@ public Builder mergeArgs(com.google.protobuf.Struct value) {
      *
      *
      * <pre>
-     * Optional. Required. The function parameters and values in JSON object
-     * format. See [FunctionDeclaration.parameters] for parameter details.
+     * Optional. The function parameters and values in JSON object format.
+     * See [FunctionDeclaration.parameters] for parameter details.
      * </pre>
      *
      * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -819,8 +1004,8 @@ public Builder clearArgs() {
      *
      *
      * <pre>
-     * Optional. Required. The function parameters and values in JSON object
-     * format. See [FunctionDeclaration.parameters] for parameter details.
+     * Optional. The function parameters and values in JSON object format.
+     * See [FunctionDeclaration.parameters] for parameter details.
      * </pre>
      *
      * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -828,15 +1013,15 @@ public Builder clearArgs() {
     public com.google.protobuf.Struct.Builder getArgsBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getArgsFieldBuilder().getBuilder();
+      return internalGetArgsFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Required. The function parameters and values in JSON object
-     * format. See [FunctionDeclaration.parameters] for parameter details.
+     * Optional. The function parameters and values in JSON object format.
+     * See [FunctionDeclaration.parameters] for parameter details.
      * </pre>
      *
      * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -853,20 +1038,20 @@ public com.google.protobuf.StructOrBuilder getArgsOrBuilder() {
      *
      *
      * <pre>
-     * Optional. Required. The function parameters and values in JSON object
-     * format. See [FunctionDeclaration.parameters] for parameter details.
+     * Optional. The function parameters and values in JSON object format.
+     * See [FunctionDeclaration.parameters] for parameter details.
      * </pre>
      *
      * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Struct,
             com.google.protobuf.Struct.Builder,
             com.google.protobuf.StructOrBuilder>
-        getArgsFieldBuilder() {
+        internalGetArgsFieldBuilder() {
       if (argsBuilder_ == null) {
         argsBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Struct,
                 com.google.protobuf.Struct.Builder,
                 com.google.protobuf.StructOrBuilder>(getArgs(), getParentForChildren(), isClean());
@@ -875,15 +1060,506 @@ public com.google.protobuf.StructOrBuilder getArgsOrBuilder() {
       return argsBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    private java.util.List<com.google.cloud.vertexai.api.PartialArg> partialArgs_ =
+        java.util.Collections.emptyList();
+
+    private void ensurePartialArgsIsMutable() {
+      if (!((bitField0_ & 0x00000004) != 0)) {
+        partialArgs_ =
+            new java.util.ArrayList<com.google.cloud.vertexai.api.PartialArg>(partialArgs_);
+        bitField0_ |= 0x00000004;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.PartialArg,
+            com.google.cloud.vertexai.api.PartialArg.Builder,
+            com.google.cloud.vertexai.api.PartialArgOrBuilder>
+        partialArgsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.PartialArg> getPartialArgsList() {
+      if (partialArgsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(partialArgs_);
+      } else {
+        return partialArgsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public int getPartialArgsCount() {
+      if (partialArgsBuilder_ == null) {
+        return partialArgs_.size();
+      } else {
+        return partialArgsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.PartialArg getPartialArgs(int index) {
+      if (partialArgsBuilder_ == null) {
+        return partialArgs_.get(index);
+      } else {
+        return partialArgsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setPartialArgs(int index, com.google.cloud.vertexai.api.PartialArg value) {
+      if (partialArgsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePartialArgsIsMutable();
+        partialArgs_.set(index, value);
+        onChanged();
+      } else {
+        partialArgsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setPartialArgs(
+        int index, com.google.cloud.vertexai.api.PartialArg.Builder builderForValue) {
+      if (partialArgsBuilder_ == null) {
+        ensurePartialArgsIsMutable();
+        partialArgs_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        partialArgsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addPartialArgs(com.google.cloud.vertexai.api.PartialArg value) {
+      if (partialArgsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePartialArgsIsMutable();
+        partialArgs_.add(value);
+        onChanged();
+      } else {
+        partialArgsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addPartialArgs(int index, com.google.cloud.vertexai.api.PartialArg value) {
+      if (partialArgsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePartialArgsIsMutable();
+        partialArgs_.add(index, value);
+        onChanged();
+      } else {
+        partialArgsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addPartialArgs(
+        com.google.cloud.vertexai.api.PartialArg.Builder builderForValue) {
+      if (partialArgsBuilder_ == null) {
+        ensurePartialArgsIsMutable();
+        partialArgs_.add(builderForValue.build());
+        onChanged();
+      } else {
+        partialArgsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addPartialArgs(
+        int index, com.google.cloud.vertexai.api.PartialArg.Builder builderForValue) {
+      if (partialArgsBuilder_ == null) {
+        ensurePartialArgsIsMutable();
+        partialArgs_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        partialArgsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addAllPartialArgs(
+        java.lang.Iterable<? extends com.google.cloud.vertexai.api.PartialArg> values) {
+      if (partialArgsBuilder_ == null) {
+        ensurePartialArgsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, partialArgs_);
+        onChanged();
+      } else {
+        partialArgsBuilder_.addAllMessages(values);
+      }
+      return this;
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearPartialArgs() {
+      if (partialArgsBuilder_ == null) {
+        partialArgs_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000004);
+        onChanged();
+      } else {
+        partialArgsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder removePartialArgs(int index) {
+      if (partialArgsBuilder_ == null) {
+        ensurePartialArgsIsMutable();
+        partialArgs_.remove(index);
+        onChanged();
+      } else {
+        partialArgsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.PartialArg.Builder getPartialArgsBuilder(int index) {
+      return internalGetPartialArgsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.PartialArgOrBuilder getPartialArgsOrBuilder(int index) {
+      if (partialArgsBuilder_ == null) {
+        return partialArgs_.get(index);
+      } else {
+        return partialArgsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<? extends com.google.cloud.vertexai.api.PartialArgOrBuilder>
+        getPartialArgsOrBuilderList() {
+      if (partialArgsBuilder_ != null) {
+        return partialArgsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(partialArgs_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.PartialArg.Builder addPartialArgsBuilder() {
+      return internalGetPartialArgsFieldBuilder()
+          .addBuilder(com.google.cloud.vertexai.api.PartialArg.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.PartialArg.Builder addPartialArgsBuilder(int index) {
+      return internalGetPartialArgsFieldBuilder()
+          .addBuilder(index, com.google.cloud.vertexai.api.PartialArg.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The partial argument value of the function call.
+     * If provided, represents the arguments/fields that are streamed
+     * incrementally.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.PartialArg.Builder>
+        getPartialArgsBuilderList() {
+      return internalGetPartialArgsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.PartialArg,
+            com.google.cloud.vertexai.api.PartialArg.Builder,
+            com.google.cloud.vertexai.api.PartialArgOrBuilder>
+        internalGetPartialArgsFieldBuilder() {
+      if (partialArgsBuilder_ == null) {
+        partialArgsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.PartialArg,
+                com.google.cloud.vertexai.api.PartialArg.Builder,
+                com.google.cloud.vertexai.api.PartialArgOrBuilder>(
+                partialArgs_, ((bitField0_ & 0x00000004) != 0), getParentForChildren(), isClean());
+        partialArgs_ = null;
+      }
+      return partialArgsBuilder_;
+    }
+
+    private boolean willContinue_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether this is the last part of the FunctionCall.
+     * If true, another partial message for the current FunctionCall is expected
+     * to follow.
+     * </pre>
+     *
+     * <code>bool will_continue = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The willContinue.
+     */
     @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    public boolean getWillContinue() {
+      return willContinue_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether this is the last part of the FunctionCall.
+     * If true, another partial message for the current FunctionCall is expected
+     * to follow.
+     * </pre>
+     *
+     * <code>bool will_continue = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The willContinue to set.
+     * @return This builder for chaining.
+     */
+    public Builder setWillContinue(boolean value) {
+
+      willContinue_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether this is the last part of the FunctionCall.
+     * If true, another partial message for the current FunctionCall is expected
+     * to follow.
+     * </pre>
+     *
+     * <code>bool will_continue = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearWillContinue() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      willContinue_ = false;
+      onChanged();
+      return this;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.FunctionCall)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCallOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCallOrBuilder.java
index b0d2f9924ade..131d3ff988af 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCallOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCallOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface FunctionCallOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.FunctionCall)
@@ -28,11 +30,11 @@ public interface FunctionCallOrBuilder
    *
    *
    * <pre>
-   * Required. The name of the function to call.
+   * Optional. The name of the function to call.
    * Matches [FunctionDeclaration.name].
    * </pre>
    *
-   * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   * <code>string name = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
    *
    * @return The name.
    */
@@ -42,11 +44,11 @@ public interface FunctionCallOrBuilder
    *
    *
    * <pre>
-   * Required. The name of the function to call.
+   * Optional. The name of the function to call.
    * Matches [FunctionDeclaration.name].
    * </pre>
    *
-   * <code>string name = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   * <code>string name = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
    *
    * @return The bytes for name.
    */
@@ -56,8 +58,8 @@ public interface FunctionCallOrBuilder
    *
    *
    * <pre>
-   * Optional. Required. The function parameters and values in JSON object
-   * format. See [FunctionDeclaration.parameters] for parameter details.
+   * Optional. The function parameters and values in JSON object format.
+   * See [FunctionDeclaration.parameters] for parameter details.
    * </pre>
    *
    * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -70,8 +72,8 @@ public interface FunctionCallOrBuilder
    *
    *
    * <pre>
-   * Optional. Required. The function parameters and values in JSON object
-   * format. See [FunctionDeclaration.parameters] for parameter details.
+   * Optional. The function parameters and values in JSON object format.
+   * See [FunctionDeclaration.parameters] for parameter details.
    * </pre>
    *
    * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -84,11 +86,102 @@ public interface FunctionCallOrBuilder
    *
    *
    * <pre>
-   * Optional. Required. The function parameters and values in JSON object
-   * format. See [FunctionDeclaration.parameters] for parameter details.
+   * Optional. The function parameters and values in JSON object format.
+   * See [FunctionDeclaration.parameters] for parameter details.
    * </pre>
    *
    * <code>.google.protobuf.Struct args = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
    */
   com.google.protobuf.StructOrBuilder getArgsOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The partial argument value of the function call.
+   * If provided, represents the arguments/fields that are streamed
+   * incrementally.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  java.util.List<com.google.cloud.vertexai.api.PartialArg> getPartialArgsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The partial argument value of the function call.
+   * If provided, represents the arguments/fields that are streamed
+   * incrementally.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.PartialArg getPartialArgs(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The partial argument value of the function call.
+   * If provided, represents the arguments/fields that are streamed
+   * incrementally.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  int getPartialArgsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The partial argument value of the function call.
+   * If provided, represents the arguments/fields that are streamed
+   * incrementally.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.vertexai.api.PartialArgOrBuilder>
+      getPartialArgsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The partial argument value of the function call.
+   * If provided, represents the arguments/fields that are streamed
+   * incrementally.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PartialArg partial_args = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.PartialArgOrBuilder getPartialArgsOrBuilder(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether this is the last part of the FunctionCall.
+   * If true, another partial message for the current FunctionCall is expected
+   * to follow.
+   * </pre>
+   *
+   * <code>bool will_continue = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The willContinue.
+   */
+  boolean getWillContinue();
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCallingConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCallingConfig.java
index abfc0567a9a1..8608018d3206 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCallingConfig.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCallingConfig.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.FunctionCallingConfig}
  */
-public final class FunctionCallingConfig extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class FunctionCallingConfig extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.FunctionCallingConfig)
     FunctionCallingConfigOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "FunctionCallingConfig");
+  }
+
   // Use FunctionCallingConfig.newBuilder() to construct.
-  private FunctionCallingConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private FunctionCallingConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private FunctionCallingConfig() {
     allowedFunctionNames_ = com.google.protobuf.LazyStringArrayList.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new FunctionCallingConfig();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_FunctionCallingConfig_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_FunctionCallingConfig_fieldAccessorTable
@@ -123,6 +129,16 @@ public enum Mode implements com.google.protobuf.ProtocolMessageEnum {
     UNRECOGNIZED(-1),
     ;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "Mode");
+    }
+
     /**
      *
      *
@@ -232,7 +248,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
       return getDescriptor();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
       return com.google.cloud.vertexai.api.FunctionCallingConfig.getDescriptor()
           .getEnumTypes()
           .get(0);
@@ -382,6 +398,27 @@ public com.google.protobuf.ByteString getAllowedFunctionNamesBytes(int index) {
     return allowedFunctionNames_.getByteString(index);
   }
 
+  public static final int STREAM_FUNCTION_CALL_ARGUMENTS_FIELD_NUMBER = 4;
+  private boolean streamFunctionCallArguments_ = false;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. When set to true, arguments of a single function call will be
+   * streamed out in multiple parts/contents/responses. Partial parameter
+   * results will be returned in the [FunctionCall.partial_args] field.
+   * </pre>
+   *
+   * <code>bool stream_function_call_arguments = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The streamFunctionCallArguments.
+   */
+  @java.lang.Override
+  public boolean getStreamFunctionCallArguments() {
+    return streamFunctionCallArguments_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -401,8 +438,10 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
       output.writeEnum(1, mode_);
     }
     for (int i = 0; i < allowedFunctionNames_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(
-          output, 2, allowedFunctionNames_.getRaw(i));
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, allowedFunctionNames_.getRaw(i));
+    }
+    if (streamFunctionCallArguments_ != false) {
+      output.writeBool(4, streamFunctionCallArguments_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -425,6 +464,10 @@ public int getSerializedSize() {
       size += dataSize;
       size += 1 * getAllowedFunctionNamesList().size();
     }
+    if (streamFunctionCallArguments_ != false) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeBoolSize(4, streamFunctionCallArguments_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -443,6 +486,7 @@ public boolean equals(final java.lang.Object obj) {
 
     if (mode_ != other.mode_) return false;
     if (!getAllowedFunctionNamesList().equals(other.getAllowedFunctionNamesList())) return false;
+    if (getStreamFunctionCallArguments() != other.getStreamFunctionCallArguments()) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -460,6 +504,8 @@ public int hashCode() {
       hash = (37 * hash) + ALLOWED_FUNCTION_NAMES_FIELD_NUMBER;
       hash = (53 * hash) + getAllowedFunctionNamesList().hashCode();
     }
+    hash = (37 * hash) + STREAM_FUNCTION_CALL_ARGUMENTS_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getStreamFunctionCallArguments());
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -502,38 +548,38 @@ public static com.google.cloud.vertexai.api.FunctionCallingConfig parseFrom(
 
   public static com.google.cloud.vertexai.api.FunctionCallingConfig parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FunctionCallingConfig parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.FunctionCallingConfig parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FunctionCallingConfig parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.FunctionCallingConfig parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FunctionCallingConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -556,7 +602,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -570,7 +616,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.FunctionCallingConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.FunctionCallingConfig)
       com.google.cloud.vertexai.api.FunctionCallingConfigOrBuilder {
@@ -580,7 +626,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_FunctionCallingConfig_fieldAccessorTable
@@ -592,7 +638,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.FunctionCallingConfig.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -602,6 +648,7 @@ public Builder clear() {
       bitField0_ = 0;
       mode_ = 0;
       allowedFunctionNames_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      streamFunctionCallArguments_ = false;
       return this;
     }
 
@@ -645,39 +692,9 @@ private void buildPartial0(com.google.cloud.vertexai.api.FunctionCallingConfig r
         allowedFunctionNames_.makeImmutable();
         result.allowedFunctionNames_ = allowedFunctionNames_;
       }
-    }
-
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.streamFunctionCallArguments_ = streamFunctionCallArguments_;
+      }
     }
 
     @java.lang.Override
@@ -706,6 +723,9 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.FunctionCallingConfig oth
         }
         onChanged();
       }
+      if (other.getStreamFunctionCallArguments() != false) {
+        setStreamFunctionCallArguments(other.getStreamFunctionCallArguments());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -745,6 +765,12 @@ public Builder mergeFrom(
                 allowedFunctionNames_.add(s);
                 break;
               } // case 18
+            case 32:
+              {
+                streamFunctionCallArguments_ = input.readBool();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 32
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -1081,15 +1107,69 @@ public Builder addAllowedFunctionNamesBytes(com.google.protobuf.ByteString value
       return this;
     }
 
+    private boolean streamFunctionCallArguments_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. When set to true, arguments of a single function call will be
+     * streamed out in multiple parts/contents/responses. Partial parameter
+     * results will be returned in the [FunctionCall.partial_args] field.
+     * </pre>
+     *
+     * <code>bool stream_function_call_arguments = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The streamFunctionCallArguments.
+     */
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    public boolean getStreamFunctionCallArguments() {
+      return streamFunctionCallArguments_;
     }
 
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. When set to true, arguments of a single function call will be
+     * streamed out in multiple parts/contents/responses. Partial parameter
+     * results will be returned in the [FunctionCall.partial_args] field.
+     * </pre>
+     *
+     * <code>bool stream_function_call_arguments = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The streamFunctionCallArguments to set.
+     * @return This builder for chaining.
+     */
+    public Builder setStreamFunctionCallArguments(boolean value) {
+
+      streamFunctionCallArguments_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. When set to true, arguments of a single function call will be
+     * streamed out in multiple parts/contents/responses. Partial parameter
+     * results will be returned in the [FunctionCall.partial_args] field.
+     * </pre>
+     *
+     * <code>bool stream_function_call_arguments = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearStreamFunctionCallArguments() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      streamFunctionCallArguments_ = false;
+      onChanged();
+      return this;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.FunctionCallingConfig)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCallingConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCallingConfigOrBuilder.java
index 924fd9af1b14..3a3feb1cff66 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCallingConfigOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCallingConfigOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface FunctionCallingConfigOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.FunctionCallingConfig)
@@ -119,4 +121,19 @@ public interface FunctionCallingConfigOrBuilder
    * @return The bytes of the allowedFunctionNames at the given index.
    */
   com.google.protobuf.ByteString getAllowedFunctionNamesBytes(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. When set to true, arguments of a single function call will be
+   * streamed out in multiple parts/contents/responses. Partial parameter
+   * results will be returned in the [FunctionCall.partial_args] field.
+   * </pre>
+   *
+   * <code>bool stream_function_call_arguments = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The streamFunctionCallArguments.
+   */
+  boolean getStreamFunctionCallArguments();
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionDeclaration.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionDeclaration.java
index c42db4c64b4f..e5567f9b9b95 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionDeclaration.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionDeclaration.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -32,14 +33,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.FunctionDeclaration}
  */
-public final class FunctionDeclaration extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class FunctionDeclaration extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.FunctionDeclaration)
     FunctionDeclarationOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "FunctionDeclaration");
+  }
+
   // Use FunctionDeclaration.newBuilder() to construct.
-  private FunctionDeclaration(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private FunctionDeclaration(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -48,19 +60,13 @@ private FunctionDeclaration() {
     description_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new FunctionDeclaration();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_FunctionDeclaration_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_FunctionDeclaration_fieldAccessorTable
@@ -199,12 +205,12 @@ public com.google.protobuf.ByteString getDescriptionBytes() {
    * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
    * underscores with a maximum length of 64. Example with 1 required and 1
    * optional parameter: type: OBJECT properties:
-   *  param1:
-   *    type: STRING
-   *  param2:
-   *    type: INTEGER
+   * param1:
+   * type: STRING
+   * param2:
+   * type: INTEGER
    * required:
-   *  - param1
+   * - param1
    * </pre>
    *
    * <code>
@@ -230,12 +236,12 @@ public boolean hasParameters() {
    * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
    * underscores with a maximum length of 64. Example with 1 required and 1
    * optional parameter: type: OBJECT properties:
-   *  param1:
-   *    type: STRING
-   *  param2:
-   *    type: INTEGER
+   * param1:
+   * type: STRING
+   * param2:
+   * type: INTEGER
    * required:
-   *  - param1
+   * - param1
    * </pre>
    *
    * <code>
@@ -263,12 +269,12 @@ public com.google.cloud.vertexai.api.Schema getParameters() {
    * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
    * underscores with a maximum length of 64. Example with 1 required and 1
    * optional parameter: type: OBJECT properties:
-   *  param1:
-   *    type: STRING
-   *  param2:
-   *    type: INTEGER
+   * param1:
+   * type: STRING
+   * param2:
+   * type: INTEGER
    * required:
-   *  - param1
+   * - param1
    * </pre>
    *
    * <code>
@@ -282,6 +288,116 @@ public com.google.cloud.vertexai.api.SchemaOrBuilder getParametersOrBuilder() {
         : parameters_;
   }
 
+  public static final int PARAMETERS_JSON_SCHEMA_FIELD_NUMBER = 5;
+  private com.google.protobuf.Value parametersJsonSchema_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Describes the parameters to the function in JSON Schema format.
+   * The schema must describe an object where the properties are the parameters
+   * to the function. For example:
+   *
+   * ```
+   * {
+   * "type": "object",
+   * "properties": {
+   * "name": { "type": "string" },
+   * "age": { "type": "integer" }
+   * },
+   * "additionalProperties": false,
+   * "required": ["name", "age"],
+   * "propertyOrdering": ["name", "age"]
+   * }
+   * ```
+   *
+   * This field is mutually exclusive with `parameters`.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the parametersJsonSchema field is set.
+   */
+  @java.lang.Override
+  public boolean hasParametersJsonSchema() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Describes the parameters to the function in JSON Schema format.
+   * The schema must describe an object where the properties are the parameters
+   * to the function. For example:
+   *
+   * ```
+   * {
+   * "type": "object",
+   * "properties": {
+   * "name": { "type": "string" },
+   * "age": { "type": "integer" }
+   * },
+   * "additionalProperties": false,
+   * "required": ["name", "age"],
+   * "propertyOrdering": ["name", "age"]
+   * }
+   * ```
+   *
+   * This field is mutually exclusive with `parameters`.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The parametersJsonSchema.
+   */
+  @java.lang.Override
+  public com.google.protobuf.Value getParametersJsonSchema() {
+    return parametersJsonSchema_ == null
+        ? com.google.protobuf.Value.getDefaultInstance()
+        : parametersJsonSchema_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Describes the parameters to the function in JSON Schema format.
+   * The schema must describe an object where the properties are the parameters
+   * to the function. For example:
+   *
+   * ```
+   * {
+   * "type": "object",
+   * "properties": {
+   * "name": { "type": "string" },
+   * "age": { "type": "integer" }
+   * },
+   * "additionalProperties": false,
+   * "required": ["name", "age"],
+   * "propertyOrdering": ["name", "age"]
+   * }
+   * ```
+   *
+   * This field is mutually exclusive with `parameters`.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.protobuf.ValueOrBuilder getParametersJsonSchemaOrBuilder() {
+    return parametersJsonSchema_ == null
+        ? com.google.protobuf.Value.getDefaultInstance()
+        : parametersJsonSchema_;
+  }
+
   public static final int RESPONSE_FIELD_NUMBER = 4;
   private com.google.cloud.vertexai.api.Schema response_;
 
@@ -301,7 +417,7 @@ public com.google.cloud.vertexai.api.SchemaOrBuilder getParametersOrBuilder() {
    */
   @java.lang.Override
   public boolean hasResponse() {
-    return ((bitField0_ & 0x00000002) != 0);
+    return ((bitField0_ & 0x00000004) != 0);
   }
 
   /**
@@ -344,6 +460,74 @@ public com.google.cloud.vertexai.api.SchemaOrBuilder getResponseOrBuilder() {
         : response_;
   }
 
+  public static final int RESPONSE_JSON_SCHEMA_FIELD_NUMBER = 6;
+  private com.google.protobuf.Value responseJsonSchema_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Describes the output from this function in JSON Schema format.
+   * The value specified by the schema is the response value of the function.
+   *
+   * This field is mutually exclusive with `response`.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the responseJsonSchema field is set.
+   */
+  @java.lang.Override
+  public boolean hasResponseJsonSchema() {
+    return ((bitField0_ & 0x00000008) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Describes the output from this function in JSON Schema format.
+   * The value specified by the schema is the response value of the function.
+   *
+   * This field is mutually exclusive with `response`.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The responseJsonSchema.
+   */
+  @java.lang.Override
+  public com.google.protobuf.Value getResponseJsonSchema() {
+    return responseJsonSchema_ == null
+        ? com.google.protobuf.Value.getDefaultInstance()
+        : responseJsonSchema_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Describes the output from this function in JSON Schema format.
+   * The value specified by the schema is the response value of the function.
+   *
+   * This field is mutually exclusive with `response`.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.protobuf.ValueOrBuilder getResponseJsonSchemaOrBuilder() {
+    return responseJsonSchema_ == null
+        ? com.google.protobuf.Value.getDefaultInstance()
+        : responseJsonSchema_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -358,18 +542,24 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(description_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, description_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(description_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, description_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(3, getParameters());
     }
-    if (((bitField0_ & 0x00000002) != 0)) {
+    if (((bitField0_ & 0x00000004) != 0)) {
       output.writeMessage(4, getResponse());
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(5, getParametersJsonSchema());
+    }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      output.writeMessage(6, getResponseJsonSchema());
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -379,18 +569,25 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(description_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, description_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(description_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, description_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getParameters());
     }
-    if (((bitField0_ & 0x00000002) != 0)) {
+    if (((bitField0_ & 0x00000004) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getResponse());
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(5, getParametersJsonSchema());
+    }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getResponseJsonSchema());
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -413,10 +610,18 @@ public boolean equals(final java.lang.Object obj) {
     if (hasParameters()) {
       if (!getParameters().equals(other.getParameters())) return false;
     }
+    if (hasParametersJsonSchema() != other.hasParametersJsonSchema()) return false;
+    if (hasParametersJsonSchema()) {
+      if (!getParametersJsonSchema().equals(other.getParametersJsonSchema())) return false;
+    }
     if (hasResponse() != other.hasResponse()) return false;
     if (hasResponse()) {
       if (!getResponse().equals(other.getResponse())) return false;
     }
+    if (hasResponseJsonSchema() != other.hasResponseJsonSchema()) return false;
+    if (hasResponseJsonSchema()) {
+      if (!getResponseJsonSchema().equals(other.getResponseJsonSchema())) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -436,10 +641,18 @@ public int hashCode() {
       hash = (37 * hash) + PARAMETERS_FIELD_NUMBER;
       hash = (53 * hash) + getParameters().hashCode();
     }
+    if (hasParametersJsonSchema()) {
+      hash = (37 * hash) + PARAMETERS_JSON_SCHEMA_FIELD_NUMBER;
+      hash = (53 * hash) + getParametersJsonSchema().hashCode();
+    }
     if (hasResponse()) {
       hash = (37 * hash) + RESPONSE_FIELD_NUMBER;
       hash = (53 * hash) + getResponse().hashCode();
     }
+    if (hasResponseJsonSchema()) {
+      hash = (37 * hash) + RESPONSE_JSON_SCHEMA_FIELD_NUMBER;
+      hash = (53 * hash) + getResponseJsonSchema().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -482,38 +695,38 @@ public static com.google.cloud.vertexai.api.FunctionDeclaration parseFrom(
 
   public static com.google.cloud.vertexai.api.FunctionDeclaration parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FunctionDeclaration parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.FunctionDeclaration parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FunctionDeclaration parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.FunctionDeclaration parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FunctionDeclaration parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -536,7 +749,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -554,7 +767,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.FunctionDeclaration}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.FunctionDeclaration)
       com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder {
@@ -564,7 +777,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_FunctionDeclaration_fieldAccessorTable
@@ -578,15 +791,17 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getParametersFieldBuilder();
-        getResponseFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetParametersFieldBuilder();
+        internalGetParametersJsonSchemaFieldBuilder();
+        internalGetResponseFieldBuilder();
+        internalGetResponseJsonSchemaFieldBuilder();
       }
     }
 
@@ -601,11 +816,21 @@ public Builder clear() {
         parametersBuilder_.dispose();
         parametersBuilder_ = null;
       }
+      parametersJsonSchema_ = null;
+      if (parametersJsonSchemaBuilder_ != null) {
+        parametersJsonSchemaBuilder_.dispose();
+        parametersJsonSchemaBuilder_ = null;
+      }
       response_ = null;
       if (responseBuilder_ != null) {
         responseBuilder_.dispose();
         responseBuilder_ = null;
       }
+      responseJsonSchema_ = null;
+      if (responseJsonSchemaBuilder_ != null) {
+        responseJsonSchemaBuilder_.dispose();
+        responseJsonSchemaBuilder_ = null;
+      }
       return this;
     }
 
@@ -654,45 +879,26 @@ private void buildPartial0(com.google.cloud.vertexai.api.FunctionDeclaration res
         to_bitField0_ |= 0x00000001;
       }
       if (((from_bitField0_ & 0x00000008) != 0)) {
-        result.response_ = responseBuilder_ == null ? response_ : responseBuilder_.build();
+        result.parametersJsonSchema_ =
+            parametersJsonSchemaBuilder_ == null
+                ? parametersJsonSchema_
+                : parametersJsonSchemaBuilder_.build();
         to_bitField0_ |= 0x00000002;
       }
+      if (((from_bitField0_ & 0x00000010) != 0)) {
+        result.response_ = responseBuilder_ == null ? response_ : responseBuilder_.build();
+        to_bitField0_ |= 0x00000004;
+      }
+      if (((from_bitField0_ & 0x00000020) != 0)) {
+        result.responseJsonSchema_ =
+            responseJsonSchemaBuilder_ == null
+                ? responseJsonSchema_
+                : responseJsonSchemaBuilder_.build();
+        to_bitField0_ |= 0x00000008;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.FunctionDeclaration) {
@@ -719,9 +925,15 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.FunctionDeclaration other
       if (other.hasParameters()) {
         mergeParameters(other.getParameters());
       }
+      if (other.hasParametersJsonSchema()) {
+        mergeParametersJsonSchema(other.getParametersJsonSchema());
+      }
       if (other.hasResponse()) {
         mergeResponse(other.getResponse());
       }
+      if (other.hasResponseJsonSchema()) {
+        mergeResponseJsonSchema(other.getResponseJsonSchema());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -762,16 +974,32 @@ public Builder mergeFrom(
               } // case 18
             case 26:
               {
-                input.readMessage(getParametersFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetParametersFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 26
             case 34:
               {
-                input.readMessage(getResponseFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000008;
+                input.readMessage(
+                    internalGetResponseFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000010;
                 break;
               } // case 34
+            case 42:
+              {
+                input.readMessage(
+                    internalGetParametersJsonSchemaFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 42
+            case 50:
+              {
+                input.readMessage(
+                    internalGetResponseJsonSchemaFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000020;
+                break;
+              } // case 50
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -1034,7 +1262,7 @@ public Builder setDescriptionBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.cloud.vertexai.api.Schema parameters_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Schema,
             com.google.cloud.vertexai.api.Schema.Builder,
             com.google.cloud.vertexai.api.SchemaOrBuilder>
@@ -1052,12 +1280,12 @@ public Builder setDescriptionBytes(com.google.protobuf.ByteString value) {
      * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
      * underscores with a maximum length of 64. Example with 1 required and 1
      * optional parameter: type: OBJECT properties:
-     *  param1:
-     *    type: STRING
-     *  param2:
-     *    type: INTEGER
+     * param1:
+     * type: STRING
+     * param2:
+     * type: INTEGER
      * required:
-     *  - param1
+     * - param1
      * </pre>
      *
      * <code>
@@ -1082,12 +1310,12 @@ public boolean hasParameters() {
      * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
      * underscores with a maximum length of 64. Example with 1 required and 1
      * optional parameter: type: OBJECT properties:
-     *  param1:
-     *    type: STRING
-     *  param2:
-     *    type: INTEGER
+     * param1:
+     * type: STRING
+     * param2:
+     * type: INTEGER
      * required:
-     *  - param1
+     * - param1
      * </pre>
      *
      * <code>
@@ -1118,12 +1346,12 @@ public com.google.cloud.vertexai.api.Schema getParameters() {
      * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
      * underscores with a maximum length of 64. Example with 1 required and 1
      * optional parameter: type: OBJECT properties:
-     *  param1:
-     *    type: STRING
-     *  param2:
-     *    type: INTEGER
+     * param1:
+     * type: STRING
+     * param2:
+     * type: INTEGER
      * required:
-     *  - param1
+     * - param1
      * </pre>
      *
      * <code>
@@ -1156,12 +1384,12 @@ public Builder setParameters(com.google.cloud.vertexai.api.Schema value) {
      * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
      * underscores with a maximum length of 64. Example with 1 required and 1
      * optional parameter: type: OBJECT properties:
-     *  param1:
-     *    type: STRING
-     *  param2:
-     *    type: INTEGER
+     * param1:
+     * type: STRING
+     * param2:
+     * type: INTEGER
      * required:
-     *  - param1
+     * - param1
      * </pre>
      *
      * <code>
@@ -1191,12 +1419,12 @@ public Builder setParameters(com.google.cloud.vertexai.api.Schema.Builder builde
      * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
      * underscores with a maximum length of 64. Example with 1 required and 1
      * optional parameter: type: OBJECT properties:
-     *  param1:
-     *    type: STRING
-     *  param2:
-     *    type: INTEGER
+     * param1:
+     * type: STRING
+     * param2:
+     * type: INTEGER
      * required:
-     *  - param1
+     * - param1
      * </pre>
      *
      * <code>
@@ -1234,12 +1462,12 @@ public Builder mergeParameters(com.google.cloud.vertexai.api.Schema value) {
      * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
      * underscores with a maximum length of 64. Example with 1 required and 1
      * optional parameter: type: OBJECT properties:
-     *  param1:
-     *    type: STRING
-     *  param2:
-     *    type: INTEGER
+     * param1:
+     * type: STRING
+     * param2:
+     * type: INTEGER
      * required:
-     *  - param1
+     * - param1
      * </pre>
      *
      * <code>
@@ -1269,12 +1497,12 @@ public Builder clearParameters() {
      * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
      * underscores with a maximum length of 64. Example with 1 required and 1
      * optional parameter: type: OBJECT properties:
-     *  param1:
-     *    type: STRING
-     *  param2:
-     *    type: INTEGER
+     * param1:
+     * type: STRING
+     * param2:
+     * type: INTEGER
      * required:
-     *  - param1
+     * - param1
      * </pre>
      *
      * <code>
@@ -1284,7 +1512,7 @@ public Builder clearParameters() {
     public com.google.cloud.vertexai.api.Schema.Builder getParametersBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getParametersFieldBuilder().getBuilder();
+      return internalGetParametersFieldBuilder().getBuilder();
     }
 
     /**
@@ -1299,12 +1527,12 @@ public com.google.cloud.vertexai.api.Schema.Builder getParametersBuilder() {
      * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
      * underscores with a maximum length of 64. Example with 1 required and 1
      * optional parameter: type: OBJECT properties:
-     *  param1:
-     *    type: STRING
-     *  param2:
-     *    type: INTEGER
+     * param1:
+     * type: STRING
+     * param2:
+     * type: INTEGER
      * required:
-     *  - param1
+     * - param1
      * </pre>
      *
      * <code>
@@ -1333,26 +1561,26 @@ public com.google.cloud.vertexai.api.SchemaOrBuilder getParametersOrBuilder() {
      * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
      * underscores with a maximum length of 64. Example with 1 required and 1
      * optional parameter: type: OBJECT properties:
-     *  param1:
-     *    type: STRING
-     *  param2:
-     *    type: INTEGER
+     * param1:
+     * type: STRING
+     * param2:
+     * type: INTEGER
      * required:
-     *  - param1
+     * - param1
      * </pre>
      *
      * <code>
      * .google.cloud.vertexai.v1.Schema parameters = 3 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Schema,
             com.google.cloud.vertexai.api.Schema.Builder,
             com.google.cloud.vertexai.api.SchemaOrBuilder>
-        getParametersFieldBuilder() {
+        internalGetParametersFieldBuilder() {
       if (parametersBuilder_ == null) {
         parametersBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Schema,
                 com.google.cloud.vertexai.api.Schema.Builder,
                 com.google.cloud.vertexai.api.SchemaOrBuilder>(
@@ -1362,8 +1590,373 @@ public com.google.cloud.vertexai.api.SchemaOrBuilder getParametersOrBuilder() {
       return parametersBuilder_;
     }
 
+    private com.google.protobuf.Value parametersJsonSchema_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Value,
+            com.google.protobuf.Value.Builder,
+            com.google.protobuf.ValueOrBuilder>
+        parametersJsonSchemaBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the parameters to the function in JSON Schema format.
+     * The schema must describe an object where the properties are the parameters
+     * to the function. For example:
+     *
+     * ```
+     * {
+     * "type": "object",
+     * "properties": {
+     * "name": { "type": "string" },
+     * "age": { "type": "integer" }
+     * },
+     * "additionalProperties": false,
+     * "required": ["name", "age"],
+     * "propertyOrdering": ["name", "age"]
+     * }
+     * ```
+     *
+     * This field is mutually exclusive with `parameters`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the parametersJsonSchema field is set.
+     */
+    public boolean hasParametersJsonSchema() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the parameters to the function in JSON Schema format.
+     * The schema must describe an object where the properties are the parameters
+     * to the function. For example:
+     *
+     * ```
+     * {
+     * "type": "object",
+     * "properties": {
+     * "name": { "type": "string" },
+     * "age": { "type": "integer" }
+     * },
+     * "additionalProperties": false,
+     * "required": ["name", "age"],
+     * "propertyOrdering": ["name", "age"]
+     * }
+     * ```
+     *
+     * This field is mutually exclusive with `parameters`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The parametersJsonSchema.
+     */
+    public com.google.protobuf.Value getParametersJsonSchema() {
+      if (parametersJsonSchemaBuilder_ == null) {
+        return parametersJsonSchema_ == null
+            ? com.google.protobuf.Value.getDefaultInstance()
+            : parametersJsonSchema_;
+      } else {
+        return parametersJsonSchemaBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the parameters to the function in JSON Schema format.
+     * The schema must describe an object where the properties are the parameters
+     * to the function. For example:
+     *
+     * ```
+     * {
+     * "type": "object",
+     * "properties": {
+     * "name": { "type": "string" },
+     * "age": { "type": "integer" }
+     * },
+     * "additionalProperties": false,
+     * "required": ["name", "age"],
+     * "propertyOrdering": ["name", "age"]
+     * }
+     * ```
+     *
+     * This field is mutually exclusive with `parameters`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setParametersJsonSchema(com.google.protobuf.Value value) {
+      if (parametersJsonSchemaBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        parametersJsonSchema_ = value;
+      } else {
+        parametersJsonSchemaBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the parameters to the function in JSON Schema format.
+     * The schema must describe an object where the properties are the parameters
+     * to the function. For example:
+     *
+     * ```
+     * {
+     * "type": "object",
+     * "properties": {
+     * "name": { "type": "string" },
+     * "age": { "type": "integer" }
+     * },
+     * "additionalProperties": false,
+     * "required": ["name", "age"],
+     * "propertyOrdering": ["name", "age"]
+     * }
+     * ```
+     *
+     * This field is mutually exclusive with `parameters`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setParametersJsonSchema(com.google.protobuf.Value.Builder builderForValue) {
+      if (parametersJsonSchemaBuilder_ == null) {
+        parametersJsonSchema_ = builderForValue.build();
+      } else {
+        parametersJsonSchemaBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the parameters to the function in JSON Schema format.
+     * The schema must describe an object where the properties are the parameters
+     * to the function. For example:
+     *
+     * ```
+     * {
+     * "type": "object",
+     * "properties": {
+     * "name": { "type": "string" },
+     * "age": { "type": "integer" }
+     * },
+     * "additionalProperties": false,
+     * "required": ["name", "age"],
+     * "propertyOrdering": ["name", "age"]
+     * }
+     * ```
+     *
+     * This field is mutually exclusive with `parameters`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeParametersJsonSchema(com.google.protobuf.Value value) {
+      if (parametersJsonSchemaBuilder_ == null) {
+        if (((bitField0_ & 0x00000008) != 0)
+            && parametersJsonSchema_ != null
+            && parametersJsonSchema_ != com.google.protobuf.Value.getDefaultInstance()) {
+          getParametersJsonSchemaBuilder().mergeFrom(value);
+        } else {
+          parametersJsonSchema_ = value;
+        }
+      } else {
+        parametersJsonSchemaBuilder_.mergeFrom(value);
+      }
+      if (parametersJsonSchema_ != null) {
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the parameters to the function in JSON Schema format.
+     * The schema must describe an object where the properties are the parameters
+     * to the function. For example:
+     *
+     * ```
+     * {
+     * "type": "object",
+     * "properties": {
+     * "name": { "type": "string" },
+     * "age": { "type": "integer" }
+     * },
+     * "additionalProperties": false,
+     * "required": ["name", "age"],
+     * "propertyOrdering": ["name", "age"]
+     * }
+     * ```
+     *
+     * This field is mutually exclusive with `parameters`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearParametersJsonSchema() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      parametersJsonSchema_ = null;
+      if (parametersJsonSchemaBuilder_ != null) {
+        parametersJsonSchemaBuilder_.dispose();
+        parametersJsonSchemaBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the parameters to the function in JSON Schema format.
+     * The schema must describe an object where the properties are the parameters
+     * to the function. For example:
+     *
+     * ```
+     * {
+     * "type": "object",
+     * "properties": {
+     * "name": { "type": "string" },
+     * "age": { "type": "integer" }
+     * },
+     * "additionalProperties": false,
+     * "required": ["name", "age"],
+     * "propertyOrdering": ["name", "age"]
+     * }
+     * ```
+     *
+     * This field is mutually exclusive with `parameters`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.protobuf.Value.Builder getParametersJsonSchemaBuilder() {
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return internalGetParametersJsonSchemaFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the parameters to the function in JSON Schema format.
+     * The schema must describe an object where the properties are the parameters
+     * to the function. For example:
+     *
+     * ```
+     * {
+     * "type": "object",
+     * "properties": {
+     * "name": { "type": "string" },
+     * "age": { "type": "integer" }
+     * },
+     * "additionalProperties": false,
+     * "required": ["name", "age"],
+     * "propertyOrdering": ["name", "age"]
+     * }
+     * ```
+     *
+     * This field is mutually exclusive with `parameters`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.protobuf.ValueOrBuilder getParametersJsonSchemaOrBuilder() {
+      if (parametersJsonSchemaBuilder_ != null) {
+        return parametersJsonSchemaBuilder_.getMessageOrBuilder();
+      } else {
+        return parametersJsonSchema_ == null
+            ? com.google.protobuf.Value.getDefaultInstance()
+            : parametersJsonSchema_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the parameters to the function in JSON Schema format.
+     * The schema must describe an object where the properties are the parameters
+     * to the function. For example:
+     *
+     * ```
+     * {
+     * "type": "object",
+     * "properties": {
+     * "name": { "type": "string" },
+     * "age": { "type": "integer" }
+     * },
+     * "additionalProperties": false,
+     * "required": ["name", "age"],
+     * "propertyOrdering": ["name", "age"]
+     * }
+     * ```
+     *
+     * This field is mutually exclusive with `parameters`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Value,
+            com.google.protobuf.Value.Builder,
+            com.google.protobuf.ValueOrBuilder>
+        internalGetParametersJsonSchemaFieldBuilder() {
+      if (parametersJsonSchemaBuilder_ == null) {
+        parametersJsonSchemaBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.Value,
+                com.google.protobuf.Value.Builder,
+                com.google.protobuf.ValueOrBuilder>(
+                getParametersJsonSchema(), getParentForChildren(), isClean());
+        parametersJsonSchema_ = null;
+      }
+      return parametersJsonSchemaBuilder_;
+    }
+
     private com.google.cloud.vertexai.api.Schema response_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Schema,
             com.google.cloud.vertexai.api.Schema.Builder,
             com.google.cloud.vertexai.api.SchemaOrBuilder>
@@ -1385,7 +1978,7 @@ public com.google.cloud.vertexai.api.SchemaOrBuilder getParametersOrBuilder() {
      * @return Whether the response field is set.
      */
     public boolean hasResponse() {
-      return ((bitField0_ & 0x00000008) != 0);
+      return ((bitField0_ & 0x00000010) != 0);
     }
 
     /**
@@ -1435,7 +2028,7 @@ public Builder setResponse(com.google.cloud.vertexai.api.Schema value) {
       } else {
         responseBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000010;
       onChanged();
       return this;
     }
@@ -1459,7 +2052,7 @@ public Builder setResponse(com.google.cloud.vertexai.api.Schema.Builder builderF
       } else {
         responseBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000010;
       onChanged();
       return this;
     }
@@ -1479,7 +2072,7 @@ public Builder setResponse(com.google.cloud.vertexai.api.Schema.Builder builderF
      */
     public Builder mergeResponse(com.google.cloud.vertexai.api.Schema value) {
       if (responseBuilder_ == null) {
-        if (((bitField0_ & 0x00000008) != 0)
+        if (((bitField0_ & 0x00000010) != 0)
             && response_ != null
             && response_ != com.google.cloud.vertexai.api.Schema.getDefaultInstance()) {
           getResponseBuilder().mergeFrom(value);
@@ -1490,7 +2083,7 @@ public Builder mergeResponse(com.google.cloud.vertexai.api.Schema value) {
         responseBuilder_.mergeFrom(value);
       }
       if (response_ != null) {
-        bitField0_ |= 0x00000008;
+        bitField0_ |= 0x00000010;
         onChanged();
       }
       return this;
@@ -1510,7 +2103,7 @@ public Builder mergeResponse(com.google.cloud.vertexai.api.Schema value) {
      * </code>
      */
     public Builder clearResponse() {
-      bitField0_ = (bitField0_ & ~0x00000008);
+      bitField0_ = (bitField0_ & ~0x00000010);
       response_ = null;
       if (responseBuilder_ != null) {
         responseBuilder_.dispose();
@@ -1534,9 +2127,9 @@ public Builder clearResponse() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Schema.Builder getResponseBuilder() {
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000010;
       onChanged();
-      return getResponseFieldBuilder().getBuilder();
+      return internalGetResponseFieldBuilder().getBuilder();
     }
 
     /**
@@ -1575,14 +2168,14 @@ public com.google.cloud.vertexai.api.SchemaOrBuilder getResponseOrBuilder() {
      * .google.cloud.vertexai.v1.Schema response = 4 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Schema,
             com.google.cloud.vertexai.api.Schema.Builder,
             com.google.cloud.vertexai.api.SchemaOrBuilder>
-        getResponseFieldBuilder() {
+        internalGetResponseFieldBuilder() {
       if (responseBuilder_ == null) {
         responseBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Schema,
                 com.google.cloud.vertexai.api.Schema.Builder,
                 com.google.cloud.vertexai.api.SchemaOrBuilder>(
@@ -1592,15 +2185,243 @@ public com.google.cloud.vertexai.api.SchemaOrBuilder getResponseOrBuilder() {
       return responseBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    private com.google.protobuf.Value responseJsonSchema_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Value,
+            com.google.protobuf.Value.Builder,
+            com.google.protobuf.ValueOrBuilder>
+        responseJsonSchemaBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the output from this function in JSON Schema format.
+     * The value specified by the schema is the response value of the function.
+     *
+     * This field is mutually exclusive with `response`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the responseJsonSchema field is set.
+     */
+    public boolean hasResponseJsonSchema() {
+      return ((bitField0_ & 0x00000020) != 0);
     }
 
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the output from this function in JSON Schema format.
+     * The value specified by the schema is the response value of the function.
+     *
+     * This field is mutually exclusive with `response`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The responseJsonSchema.
+     */
+    public com.google.protobuf.Value getResponseJsonSchema() {
+      if (responseJsonSchemaBuilder_ == null) {
+        return responseJsonSchema_ == null
+            ? com.google.protobuf.Value.getDefaultInstance()
+            : responseJsonSchema_;
+      } else {
+        return responseJsonSchemaBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the output from this function in JSON Schema format.
+     * The value specified by the schema is the response value of the function.
+     *
+     * This field is mutually exclusive with `response`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setResponseJsonSchema(com.google.protobuf.Value value) {
+      if (responseJsonSchemaBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        responseJsonSchema_ = value;
+      } else {
+        responseJsonSchemaBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the output from this function in JSON Schema format.
+     * The value specified by the schema is the response value of the function.
+     *
+     * This field is mutually exclusive with `response`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setResponseJsonSchema(com.google.protobuf.Value.Builder builderForValue) {
+      if (responseJsonSchemaBuilder_ == null) {
+        responseJsonSchema_ = builderForValue.build();
+      } else {
+        responseJsonSchemaBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the output from this function in JSON Schema format.
+     * The value specified by the schema is the response value of the function.
+     *
+     * This field is mutually exclusive with `response`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeResponseJsonSchema(com.google.protobuf.Value value) {
+      if (responseJsonSchemaBuilder_ == null) {
+        if (((bitField0_ & 0x00000020) != 0)
+            && responseJsonSchema_ != null
+            && responseJsonSchema_ != com.google.protobuf.Value.getDefaultInstance()) {
+          getResponseJsonSchemaBuilder().mergeFrom(value);
+        } else {
+          responseJsonSchema_ = value;
+        }
+      } else {
+        responseJsonSchemaBuilder_.mergeFrom(value);
+      }
+      if (responseJsonSchema_ != null) {
+        bitField0_ |= 0x00000020;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the output from this function in JSON Schema format.
+     * The value specified by the schema is the response value of the function.
+     *
+     * This field is mutually exclusive with `response`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearResponseJsonSchema() {
+      bitField0_ = (bitField0_ & ~0x00000020);
+      responseJsonSchema_ = null;
+      if (responseJsonSchemaBuilder_ != null) {
+        responseJsonSchemaBuilder_.dispose();
+        responseJsonSchemaBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the output from this function in JSON Schema format.
+     * The value specified by the schema is the response value of the function.
+     *
+     * This field is mutually exclusive with `response`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.protobuf.Value.Builder getResponseJsonSchemaBuilder() {
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return internalGetResponseJsonSchemaFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the output from this function in JSON Schema format.
+     * The value specified by the schema is the response value of the function.
+     *
+     * This field is mutually exclusive with `response`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.protobuf.ValueOrBuilder getResponseJsonSchemaOrBuilder() {
+      if (responseJsonSchemaBuilder_ != null) {
+        return responseJsonSchemaBuilder_.getMessageOrBuilder();
+      } else {
+        return responseJsonSchema_ == null
+            ? com.google.protobuf.Value.getDefaultInstance()
+            : responseJsonSchema_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Describes the output from this function in JSON Schema format.
+     * The value specified by the schema is the response value of the function.
+     *
+     * This field is mutually exclusive with `response`.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Value,
+            com.google.protobuf.Value.Builder,
+            com.google.protobuf.ValueOrBuilder>
+        internalGetResponseJsonSchemaFieldBuilder() {
+      if (responseJsonSchemaBuilder_ == null) {
+        responseJsonSchemaBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.Value,
+                com.google.protobuf.Value.Builder,
+                com.google.protobuf.ValueOrBuilder>(
+                getResponseJsonSchema(), getParentForChildren(), isClean());
+        responseJsonSchema_ = null;
+      }
+      return responseJsonSchemaBuilder_;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.FunctionDeclaration)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionDeclarationOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionDeclarationOrBuilder.java
index acdada23f8a6..6ab4daebbdef 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionDeclarationOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionDeclarationOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface FunctionDeclarationOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.FunctionDeclaration)
@@ -96,12 +98,12 @@ public interface FunctionDeclarationOrBuilder
    * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
    * underscores with a maximum length of 64. Example with 1 required and 1
    * optional parameter: type: OBJECT properties:
-   *  param1:
-   *    type: STRING
-   *  param2:
-   *    type: INTEGER
+   * param1:
+   * type: STRING
+   * param2:
+   * type: INTEGER
    * required:
-   *  - param1
+   * - param1
    * </pre>
    *
    * <code>
@@ -124,12 +126,12 @@ public interface FunctionDeclarationOrBuilder
    * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
    * underscores with a maximum length of 64. Example with 1 required and 1
    * optional parameter: type: OBJECT properties:
-   *  param1:
-   *    type: STRING
-   *  param2:
-   *    type: INTEGER
+   * param1:
+   * type: STRING
+   * param2:
+   * type: INTEGER
    * required:
-   *  - param1
+   * - param1
    * </pre>
    *
    * <code>
@@ -152,12 +154,12 @@ public interface FunctionDeclarationOrBuilder
    * letter or an underscore and must only contain chars a-z, A-Z, 0-9, or
    * underscores with a maximum length of 64. Example with 1 required and 1
    * optional parameter: type: OBJECT properties:
-   *  param1:
-   *    type: STRING
-   *  param2:
-   *    type: INTEGER
+   * param1:
+   * type: STRING
+   * param2:
+   * type: INTEGER
    * required:
-   *  - param1
+   * - param1
    * </pre>
    *
    * <code>
@@ -166,6 +168,100 @@ public interface FunctionDeclarationOrBuilder
    */
   com.google.cloud.vertexai.api.SchemaOrBuilder getParametersOrBuilder();
 
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Describes the parameters to the function in JSON Schema format.
+   * The schema must describe an object where the properties are the parameters
+   * to the function. For example:
+   *
+   * ```
+   * {
+   * "type": "object",
+   * "properties": {
+   * "name": { "type": "string" },
+   * "age": { "type": "integer" }
+   * },
+   * "additionalProperties": false,
+   * "required": ["name", "age"],
+   * "propertyOrdering": ["name", "age"]
+   * }
+   * ```
+   *
+   * This field is mutually exclusive with `parameters`.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the parametersJsonSchema field is set.
+   */
+  boolean hasParametersJsonSchema();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Describes the parameters to the function in JSON Schema format.
+   * The schema must describe an object where the properties are the parameters
+   * to the function. For example:
+   *
+   * ```
+   * {
+   * "type": "object",
+   * "properties": {
+   * "name": { "type": "string" },
+   * "age": { "type": "integer" }
+   * },
+   * "additionalProperties": false,
+   * "required": ["name", "age"],
+   * "propertyOrdering": ["name", "age"]
+   * }
+   * ```
+   *
+   * This field is mutually exclusive with `parameters`.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The parametersJsonSchema.
+   */
+  com.google.protobuf.Value getParametersJsonSchema();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Describes the parameters to the function in JSON Schema format.
+   * The schema must describe an object where the properties are the parameters
+   * to the function. For example:
+   *
+   * ```
+   * {
+   * "type": "object",
+   * "properties": {
+   * "name": { "type": "string" },
+   * "age": { "type": "integer" }
+   * },
+   * "additionalProperties": false,
+   * "required": ["name", "age"],
+   * "propertyOrdering": ["name", "age"]
+   * }
+   * ```
+   *
+   * This field is mutually exclusive with `parameters`.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value parameters_json_schema = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.protobuf.ValueOrBuilder getParametersJsonSchemaOrBuilder();
+
   /**
    *
    *
@@ -211,4 +307,56 @@ public interface FunctionDeclarationOrBuilder
    * </code>
    */
   com.google.cloud.vertexai.api.SchemaOrBuilder getResponseOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Describes the output from this function in JSON Schema format.
+   * The value specified by the schema is the response value of the function.
+   *
+   * This field is mutually exclusive with `response`.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the responseJsonSchema field is set.
+   */
+  boolean hasResponseJsonSchema();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Describes the output from this function in JSON Schema format.
+   * The value specified by the schema is the response value of the function.
+   *
+   * This field is mutually exclusive with `response`.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The responseJsonSchema.
+   */
+  com.google.protobuf.Value getResponseJsonSchema();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Describes the output from this function in JSON Schema format.
+   * The value specified by the schema is the response value of the function.
+   *
+   * This field is mutually exclusive with `response`.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value response_json_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.protobuf.ValueOrBuilder getResponseJsonSchemaOrBuilder();
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponse.java
index c102cebb9b7d..5c00147aa853 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -31,25 +32,31 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.FunctionResponse}
  */
-public final class FunctionResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class FunctionResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.FunctionResponse)
     FunctionResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "FunctionResponse");
+  }
+
   // Use FunctionResponse.newBuilder() to construct.
-  private FunctionResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private FunctionResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private FunctionResponse() {
     name_ = "";
-  }
-
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new FunctionResponse();
+    parts_ = java.util.Collections.emptyList();
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -58,7 +65,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_FunctionResponse_fieldAccessorTable
@@ -181,6 +188,97 @@ public com.google.protobuf.StructOrBuilder getResponseOrBuilder() {
     return response_ == null ? com.google.protobuf.Struct.getDefaultInstance() : response_;
   }
 
+  public static final int PARTS_FIELD_NUMBER = 4;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.vertexai.api.FunctionResponsePart> parts_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Ordered `Parts` that constitute a function response. Parts may
+   * have different IANA MIME types.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.vertexai.api.FunctionResponsePart> getPartsList() {
+    return parts_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Ordered `Parts` that constitute a function response. Parts may
+   * have different IANA MIME types.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.vertexai.api.FunctionResponsePartOrBuilder>
+      getPartsOrBuilderList() {
+    return parts_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Ordered `Parts` that constitute a function response. Parts may
+   * have different IANA MIME types.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public int getPartsCount() {
+    return parts_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Ordered `Parts` that constitute a function response. Parts may
+   * have different IANA MIME types.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.FunctionResponsePart getParts(int index) {
+    return parts_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Ordered `Parts` that constitute a function response. Parts may
+   * have different IANA MIME types.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.FunctionResponsePartOrBuilder getPartsOrBuilder(int index) {
+    return parts_.get(index);
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -195,12 +293,15 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(2, getResponse());
     }
+    for (int i = 0; i < parts_.size(); i++) {
+      output.writeMessage(4, parts_.get(i));
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -210,12 +311,15 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getResponse());
     }
+    for (int i = 0; i < parts_.size(); i++) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, parts_.get(i));
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -237,6 +341,7 @@ public boolean equals(final java.lang.Object obj) {
     if (hasResponse()) {
       if (!getResponse().equals(other.getResponse())) return false;
     }
+    if (!getPartsList().equals(other.getPartsList())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -254,6 +359,10 @@ public int hashCode() {
       hash = (37 * hash) + RESPONSE_FIELD_NUMBER;
       hash = (53 * hash) + getResponse().hashCode();
     }
+    if (getPartsCount() > 0) {
+      hash = (37 * hash) + PARTS_FIELD_NUMBER;
+      hash = (53 * hash) + getPartsList().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -296,38 +405,38 @@ public static com.google.cloud.vertexai.api.FunctionResponse parseFrom(
 
   public static com.google.cloud.vertexai.api.FunctionResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FunctionResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.FunctionResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FunctionResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.FunctionResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.FunctionResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -350,7 +459,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -367,7 +476,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.FunctionResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.FunctionResponse)
       com.google.cloud.vertexai.api.FunctionResponseOrBuilder {
@@ -377,7 +486,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_FunctionResponse_fieldAccessorTable
@@ -391,14 +500,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getResponseFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetResponseFieldBuilder();
+        internalGetPartsFieldBuilder();
       }
     }
 
@@ -412,6 +522,13 @@ public Builder clear() {
         responseBuilder_.dispose();
         responseBuilder_ = null;
       }
+      if (partsBuilder_ == null) {
+        parts_ = java.util.Collections.emptyList();
+      } else {
+        parts_ = null;
+        partsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000004);
       return this;
     }
 
@@ -439,6 +556,7 @@ public com.google.cloud.vertexai.api.FunctionResponse build() {
     public com.google.cloud.vertexai.api.FunctionResponse buildPartial() {
       com.google.cloud.vertexai.api.FunctionResponse result =
           new com.google.cloud.vertexai.api.FunctionResponse(this);
+      buildPartialRepeatedFields(result);
       if (bitField0_ != 0) {
         buildPartial0(result);
       }
@@ -446,6 +564,18 @@ public com.google.cloud.vertexai.api.FunctionResponse buildPartial() {
       return result;
     }
 
+    private void buildPartialRepeatedFields(com.google.cloud.vertexai.api.FunctionResponse result) {
+      if (partsBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)) {
+          parts_ = java.util.Collections.unmodifiableList(parts_);
+          bitField0_ = (bitField0_ & ~0x00000004);
+        }
+        result.parts_ = parts_;
+      } else {
+        result.parts_ = partsBuilder_.build();
+      }
+    }
+
     private void buildPartial0(com.google.cloud.vertexai.api.FunctionResponse result) {
       int from_bitField0_ = bitField0_;
       if (((from_bitField0_ & 0x00000001) != 0)) {
@@ -459,39 +589,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.FunctionResponse result
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.FunctionResponse) {
@@ -512,6 +609,33 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.FunctionResponse other) {
       if (other.hasResponse()) {
         mergeResponse(other.getResponse());
       }
+      if (partsBuilder_ == null) {
+        if (!other.parts_.isEmpty()) {
+          if (parts_.isEmpty()) {
+            parts_ = other.parts_;
+            bitField0_ = (bitField0_ & ~0x00000004);
+          } else {
+            ensurePartsIsMutable();
+            parts_.addAll(other.parts_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.parts_.isEmpty()) {
+          if (partsBuilder_.isEmpty()) {
+            partsBuilder_.dispose();
+            partsBuilder_ = null;
+            parts_ = other.parts_;
+            bitField0_ = (bitField0_ & ~0x00000004);
+            partsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetPartsFieldBuilder()
+                    : null;
+          } else {
+            partsBuilder_.addAllMessages(other.parts_);
+          }
+        }
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -546,10 +670,25 @@ public Builder mergeFrom(
               } // case 10
             case 18:
               {
-                input.readMessage(getResponseFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetResponseFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
+            case 34:
+              {
+                com.google.cloud.vertexai.api.FunctionResponsePart m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.FunctionResponsePart.parser(),
+                        extensionRegistry);
+                if (partsBuilder_ == null) {
+                  ensurePartsIsMutable();
+                  parts_.add(m);
+                } else {
+                  partsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 34
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -686,7 +825,7 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.protobuf.Struct response_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Struct,
             com.google.protobuf.Struct.Builder,
             com.google.protobuf.StructOrBuilder>
@@ -850,7 +989,7 @@ public Builder clearResponse() {
     public com.google.protobuf.Struct.Builder getResponseBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getResponseFieldBuilder().getBuilder();
+      return internalGetResponseFieldBuilder().getBuilder();
     }
 
     /**
@@ -885,14 +1024,14 @@ public com.google.protobuf.StructOrBuilder getResponseOrBuilder() {
      *
      * <code>.google.protobuf.Struct response = 2 [(.google.api.field_behavior) = REQUIRED];</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Struct,
             com.google.protobuf.Struct.Builder,
             com.google.protobuf.StructOrBuilder>
-        getResponseFieldBuilder() {
+        internalGetResponseFieldBuilder() {
       if (responseBuilder_ == null) {
         responseBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Struct,
                 com.google.protobuf.Struct.Builder,
                 com.google.protobuf.StructOrBuilder>(
@@ -902,15 +1041,428 @@ public com.google.protobuf.StructOrBuilder getResponseOrBuilder() {
       return responseBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    private java.util.List<com.google.cloud.vertexai.api.FunctionResponsePart> parts_ =
+        java.util.Collections.emptyList();
+
+    private void ensurePartsIsMutable() {
+      if (!((bitField0_ & 0x00000004) != 0)) {
+        parts_ =
+            new java.util.ArrayList<com.google.cloud.vertexai.api.FunctionResponsePart>(parts_);
+        bitField0_ |= 0x00000004;
+      }
     }
 
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.FunctionResponsePart,
+            com.google.cloud.vertexai.api.FunctionResponsePart.Builder,
+            com.google.cloud.vertexai.api.FunctionResponsePartOrBuilder>
+        partsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.FunctionResponsePart> getPartsList() {
+      if (partsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(parts_);
+      } else {
+        return partsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public int getPartsCount() {
+      if (partsBuilder_ == null) {
+        return parts_.size();
+      } else {
+        return partsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.FunctionResponsePart getParts(int index) {
+      if (partsBuilder_ == null) {
+        return parts_.get(index);
+      } else {
+        return partsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setParts(int index, com.google.cloud.vertexai.api.FunctionResponsePart value) {
+      if (partsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePartsIsMutable();
+        parts_.set(index, value);
+        onChanged();
+      } else {
+        partsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setParts(
+        int index, com.google.cloud.vertexai.api.FunctionResponsePart.Builder builderForValue) {
+      if (partsBuilder_ == null) {
+        ensurePartsIsMutable();
+        parts_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        partsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addParts(com.google.cloud.vertexai.api.FunctionResponsePart value) {
+      if (partsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePartsIsMutable();
+        parts_.add(value);
+        onChanged();
+      } else {
+        partsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addParts(int index, com.google.cloud.vertexai.api.FunctionResponsePart value) {
+      if (partsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePartsIsMutable();
+        parts_.add(index, value);
+        onChanged();
+      } else {
+        partsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addParts(
+        com.google.cloud.vertexai.api.FunctionResponsePart.Builder builderForValue) {
+      if (partsBuilder_ == null) {
+        ensurePartsIsMutable();
+        parts_.add(builderForValue.build());
+        onChanged();
+      } else {
+        partsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addParts(
+        int index, com.google.cloud.vertexai.api.FunctionResponsePart.Builder builderForValue) {
+      if (partsBuilder_ == null) {
+        ensurePartsIsMutable();
+        parts_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        partsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addAllParts(
+        java.lang.Iterable<? extends com.google.cloud.vertexai.api.FunctionResponsePart> values) {
+      if (partsBuilder_ == null) {
+        ensurePartsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, parts_);
+        onChanged();
+      } else {
+        partsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearParts() {
+      if (partsBuilder_ == null) {
+        parts_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000004);
+        onChanged();
+      } else {
+        partsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder removeParts(int index) {
+      if (partsBuilder_ == null) {
+        ensurePartsIsMutable();
+        parts_.remove(index);
+        onChanged();
+      } else {
+        partsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.FunctionResponsePart.Builder getPartsBuilder(int index) {
+      return internalGetPartsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.FunctionResponsePartOrBuilder getPartsOrBuilder(
+        int index) {
+      if (partsBuilder_ == null) {
+        return parts_.get(index);
+      } else {
+        return partsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<? extends com.google.cloud.vertexai.api.FunctionResponsePartOrBuilder>
+        getPartsOrBuilderList() {
+      if (partsBuilder_ != null) {
+        return partsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(parts_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.FunctionResponsePart.Builder addPartsBuilder() {
+      return internalGetPartsFieldBuilder()
+          .addBuilder(com.google.cloud.vertexai.api.FunctionResponsePart.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.FunctionResponsePart.Builder addPartsBuilder(int index) {
+      return internalGetPartsFieldBuilder()
+          .addBuilder(
+              index, com.google.cloud.vertexai.api.FunctionResponsePart.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Ordered `Parts` that constitute a function response. Parts may
+     * have different IANA MIME types.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.FunctionResponsePart.Builder>
+        getPartsBuilderList() {
+      return internalGetPartsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.FunctionResponsePart,
+            com.google.cloud.vertexai.api.FunctionResponsePart.Builder,
+            com.google.cloud.vertexai.api.FunctionResponsePartOrBuilder>
+        internalGetPartsFieldBuilder() {
+      if (partsBuilder_ == null) {
+        partsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.FunctionResponsePart,
+                com.google.cloud.vertexai.api.FunctionResponsePart.Builder,
+                com.google.cloud.vertexai.api.FunctionResponsePartOrBuilder>(
+                parts_, ((bitField0_ & 0x00000004) != 0), getParentForChildren(), isClean());
+        parts_ = null;
+      }
+      return partsBuilder_;
     }
 
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diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseBlob.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseBlob.java
new file mode 100644
index 000000000000..177767f658cc
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseBlob.java
@@ -0,0 +1,931 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/tool.proto
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+
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+    /**
+     *
+     *
+     * <pre>
+     * Required. Raw bytes.
+     * </pre>
+     *
+     * <code>bytes data = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The data to set.
+     * @return This builder for chaining.
+     */
+    public Builder setData(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      data_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. Raw bytes.
+     * </pre>
+     *
+     * <code>bytes data = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearData() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      data_ = getDefaultInstance().getData();
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object displayName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Display name of the blob.
+     *
+     * Used to provide a label or filename to distinguish blobs.
+     *
+     * This field is only returned in PromptMessage for prompt management.
+     * It is currently used in the Gemini GenerateContent calls only when server
+     * side tools (code_execution, google_search, and url_context) are enabled.
+     * </pre>
+     *
+     * <code>string display_name = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The displayName.
+     */
+    public java.lang.String getDisplayName() {
+      java.lang.Object ref = displayName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        displayName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Display name of the blob.
+     *
+     * Used to provide a label or filename to distinguish blobs.
+     *
+     * This field is only returned in PromptMessage for prompt management.
+     * It is currently used in the Gemini GenerateContent calls only when server
+     * side tools (code_execution, google_search, and url_context) are enabled.
+     * </pre>
+     *
+     * <code>string display_name = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for displayName.
+     */
+    public com.google.protobuf.ByteString getDisplayNameBytes() {
+      java.lang.Object ref = displayName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        displayName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Display name of the blob.
+     *
+     * Used to provide a label or filename to distinguish blobs.
+     *
+     * This field is only returned in PromptMessage for prompt management.
+     * It is currently used in the Gemini GenerateContent calls only when server
+     * side tools (code_execution, google_search, and url_context) are enabled.
+     * </pre>
+     *
+     * <code>string display_name = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      displayName_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Display name of the blob.
+     *
+     * Used to provide a label or filename to distinguish blobs.
+     *
+     * This field is only returned in PromptMessage for prompt management.
+     * It is currently used in the Gemini GenerateContent calls only when server
+     * side tools (code_execution, google_search, and url_context) are enabled.
+     * </pre>
+     *
+     * <code>string display_name = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDisplayName() {
+      displayName_ = getDefaultInstance().getDisplayName();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Display name of the blob.
+     *
+     * Used to provide a label or filename to distinguish blobs.
+     *
+     * This field is only returned in PromptMessage for prompt management.
+     * It is currently used in the Gemini GenerateContent calls only when server
+     * side tools (code_execution, google_search, and url_context) are enabled.
+     * </pre>
+     *
+     * <code>string display_name = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      displayName_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.FunctionResponseBlob)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.FunctionResponseBlob)
+  private static final com.google.cloud.vertexai.api.FunctionResponseBlob DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.FunctionResponseBlob();
+  }
+
+  public static com.google.cloud.vertexai.api.FunctionResponseBlob getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<FunctionResponseBlob> PARSER =
+      new com.google.protobuf.AbstractParser<FunctionResponseBlob>() {
+        @java.lang.Override
+        public FunctionResponseBlob parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<FunctionResponseBlob> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<FunctionResponseBlob> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.FunctionResponseBlob getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseBlobOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseBlobOrBuilder.java
new file mode 100644
index 000000000000..dc15d0d59b58
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseBlobOrBuilder.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface FunctionResponseBlobOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.FunctionResponseBlob)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The IANA standard MIME type of the source data.
+   * </pre>
+   *
+   * <code>string mime_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The mimeType.
+   */
+  java.lang.String getMimeType();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The IANA standard MIME type of the source data.
+   * </pre>
+   *
+   * <code>string mime_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for mimeType.
+   */
+  com.google.protobuf.ByteString getMimeTypeBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. Raw bytes.
+   * </pre>
+   *
+   * <code>bytes data = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The data.
+   */
+  com.google.protobuf.ByteString getData();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Display name of the blob.
+   *
+   * Used to provide a label or filename to distinguish blobs.
+   *
+   * This field is only returned in PromptMessage for prompt management.
+   * It is currently used in the Gemini GenerateContent calls only when server
+   * side tools (code_execution, google_search, and url_context) are enabled.
+   * </pre>
+   *
+   * <code>string display_name = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The displayName.
+   */
+  java.lang.String getDisplayName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Display name of the blob.
+   *
+   * Used to provide a label or filename to distinguish blobs.
+   *
+   * This field is only returned in PromptMessage for prompt management.
+   * It is currently used in the Gemini GenerateContent calls only when server
+   * side tools (code_execution, google_search, and url_context) are enabled.
+   * </pre>
+   *
+   * <code>string display_name = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for displayName.
+   */
+  com.google.protobuf.ByteString getDisplayNameBytes();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseFileData.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseFileData.java
new file mode 100644
index 000000000000..8acf11cbadf1
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseFileData.java
@@ -0,0 +1,1017 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * URI based data for function response.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.FunctionResponseFileData}
+ */
+@com.google.protobuf.Generated
+public final class FunctionResponseFileData extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.FunctionResponseFileData)
+    FunctionResponseFileDataOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "FunctionResponseFileData");
+  }
+
+  // Use FunctionResponseFileData.newBuilder() to construct.
+  private FunctionResponseFileData(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private FunctionResponseFileData() {
+    mimeType_ = "";
+    fileUri_ = "";
+    displayName_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ToolProto
+        .internal_static_google_cloud_vertexai_v1_FunctionResponseFileData_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ToolProto
+        .internal_static_google_cloud_vertexai_v1_FunctionResponseFileData_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.FunctionResponseFileData.class,
+            com.google.cloud.vertexai.api.FunctionResponseFileData.Builder.class);
+  }
+
+  public static final int MIME_TYPE_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object mimeType_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The IANA standard MIME type of the source data.
+   * </pre>
+   *
+   * <code>string mime_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The mimeType.
+   */
+  @java.lang.Override
+  public java.lang.String getMimeType() {
+    java.lang.Object ref = mimeType_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      mimeType_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The IANA standard MIME type of the source data.
+   * </pre>
+   *
+   * <code>string mime_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for mimeType.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getMimeTypeBytes() {
+    java.lang.Object ref = mimeType_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      mimeType_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int FILE_URI_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object fileUri_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. URI.
+   * </pre>
+   *
+   * <code>string file_uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The fileUri.
+   */
+  @java.lang.Override
+  public java.lang.String getFileUri() {
+    java.lang.Object ref = fileUri_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      fileUri_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. URI.
+   * </pre>
+   *
+   * <code>string file_uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for fileUri.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFileUriBytes() {
+    java.lang.Object ref = fileUri_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      fileUri_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int DISPLAY_NAME_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object displayName_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Display name of the file data.
+   *
+   * Used to provide a label or filename to distinguish file datas.
+   *
+   * This field is only returned in PromptMessage for prompt management.
+   * It is currently used in the Gemini GenerateContent calls only when server
+   * side tools (code_execution, google_search, and url_context) are enabled.
+   * </pre>
+   *
+   * <code>string display_name = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The displayName.
+   */
+  @java.lang.Override
+  public java.lang.String getDisplayName() {
+    java.lang.Object ref = displayName_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      displayName_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Display name of the file data.
+   *
+   * Used to provide a label or filename to distinguish file datas.
+   *
+   * This field is only returned in PromptMessage for prompt management.
+   * It is currently used in the Gemini GenerateContent calls only when server
+   * side tools (code_execution, google_search, and url_context) are enabled.
+   * </pre>
+   *
+   * <code>string display_name = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for displayName.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getDisplayNameBytes() {
+    java.lang.Object ref = displayName_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      displayName_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mimeType_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, mimeType_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(fileUri_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, fileUri_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(displayName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, displayName_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mimeType_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, mimeType_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(fileUri_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, fileUri_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(displayName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, displayName_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.FunctionResponseFileData)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.FunctionResponseFileData other =
+        (com.google.cloud.vertexai.api.FunctionResponseFileData) obj;
+
+    if (!getMimeType().equals(other.getMimeType())) return false;
+    if (!getFileUri().equals(other.getFileUri())) return false;
+    if (!getDisplayName().equals(other.getDisplayName())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + MIME_TYPE_FIELD_NUMBER;
+    hash = (53 * hash) + getMimeType().hashCode();
+    hash = (37 * hash) + FILE_URI_FIELD_NUMBER;
+    hash = (53 * hash) + getFileUri().hashCode();
+    hash = (37 * hash) + DISPLAY_NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getDisplayName().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.FunctionResponseFileData parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.FunctionResponseFileData parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.FunctionResponseFileData parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.FunctionResponseFileData parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
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+  public static com.google.cloud.vertexai.api.FunctionResponseFileData parseFrom(
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+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
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+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.vertexai.api.FunctionResponseFileData prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
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+  /**
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+   *
+   * <pre>
+   * URI based data for function response.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.FunctionResponseFileData}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.FunctionResponseFileData)
+      com.google.cloud.vertexai.api.FunctionResponseFileDataOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ToolProto
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+    @java.lang.Override
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+
+    // Construct using com.google.cloud.vertexai.api.FunctionResponseFileData.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
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+    @java.lang.Override
+    public Builder clear() {
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+      mimeType_ = "";
+      fileUri_ = "";
+      displayName_ = "";
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+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_FunctionResponseFileData_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.FunctionResponseFileData getDefaultInstanceForType() {
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+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.FunctionResponseFileData build() {
+      com.google.cloud.vertexai.api.FunctionResponseFileData result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.FunctionResponseFileData buildPartial() {
+      com.google.cloud.vertexai.api.FunctionResponseFileData result =
+          new com.google.cloud.vertexai.api.FunctionResponseFileData(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.FunctionResponseFileData result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.mimeType_ = mimeType_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.fileUri_ = fileUri_;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.displayName_ = displayName_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.FunctionResponseFileData) {
+        return mergeFrom((com.google.cloud.vertexai.api.FunctionResponseFileData) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.FunctionResponseFileData other) {
+      if (other == com.google.cloud.vertexai.api.FunctionResponseFileData.getDefaultInstance())
+        return this;
+      if (!other.getMimeType().isEmpty()) {
+        mimeType_ = other.mimeType_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      if (!other.getFileUri().isEmpty()) {
+        fileUri_ = other.fileUri_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      if (!other.getDisplayName().isEmpty()) {
+        displayName_ = other.displayName_;
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                mimeType_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                fileUri_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            case 26:
+              {
+                displayName_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object mimeType_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The IANA standard MIME type of the source data.
+     * </pre>
+     *
+     * <code>string mime_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The mimeType.
+     */
+    public java.lang.String getMimeType() {
+      java.lang.Object ref = mimeType_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        mimeType_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The IANA standard MIME type of the source data.
+     * </pre>
+     *
+     * <code>string mime_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for mimeType.
+     */
+    public com.google.protobuf.ByteString getMimeTypeBytes() {
+      java.lang.Object ref = mimeType_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        mimeType_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The IANA standard MIME type of the source data.
+     * </pre>
+     *
+     * <code>string mime_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The mimeType to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMimeType(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      mimeType_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The IANA standard MIME type of the source data.
+     * </pre>
+     *
+     * <code>string mime_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearMimeType() {
+      mimeType_ = getDefaultInstance().getMimeType();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The IANA standard MIME type of the source data.
+     * </pre>
+     *
+     * <code>string mime_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The bytes for mimeType to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMimeTypeBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      mimeType_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object fileUri_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. URI.
+     * </pre>
+     *
+     * <code>string file_uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The fileUri.
+     */
+    public java.lang.String getFileUri() {
+      java.lang.Object ref = fileUri_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        fileUri_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. URI.
+     * </pre>
+     *
+     * <code>string file_uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for fileUri.
+     */
+    public com.google.protobuf.ByteString getFileUriBytes() {
+      java.lang.Object ref = fileUri_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        fileUri_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. URI.
+     * </pre>
+     *
+     * <code>string file_uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The fileUri to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFileUri(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      fileUri_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. URI.
+     * </pre>
+     *
+     * <code>string file_uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearFileUri() {
+      fileUri_ = getDefaultInstance().getFileUri();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. URI.
+     * </pre>
+     *
+     * <code>string file_uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The bytes for fileUri to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFileUriBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      fileUri_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object displayName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Display name of the file data.
+     *
+     * Used to provide a label or filename to distinguish file datas.
+     *
+     * This field is only returned in PromptMessage for prompt management.
+     * It is currently used in the Gemini GenerateContent calls only when server
+     * side tools (code_execution, google_search, and url_context) are enabled.
+     * </pre>
+     *
+     * <code>string display_name = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The displayName.
+     */
+    public java.lang.String getDisplayName() {
+      java.lang.Object ref = displayName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        displayName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Display name of the file data.
+     *
+     * Used to provide a label or filename to distinguish file datas.
+     *
+     * This field is only returned in PromptMessage for prompt management.
+     * It is currently used in the Gemini GenerateContent calls only when server
+     * side tools (code_execution, google_search, and url_context) are enabled.
+     * </pre>
+     *
+     * <code>string display_name = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for displayName.
+     */
+    public com.google.protobuf.ByteString getDisplayNameBytes() {
+      java.lang.Object ref = displayName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        displayName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Display name of the file data.
+     *
+     * Used to provide a label or filename to distinguish file datas.
+     *
+     * This field is only returned in PromptMessage for prompt management.
+     * It is currently used in the Gemini GenerateContent calls only when server
+     * side tools (code_execution, google_search, and url_context) are enabled.
+     * </pre>
+     *
+     * <code>string display_name = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      displayName_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Display name of the file data.
+     *
+     * Used to provide a label or filename to distinguish file datas.
+     *
+     * This field is only returned in PromptMessage for prompt management.
+     * It is currently used in the Gemini GenerateContent calls only when server
+     * side tools (code_execution, google_search, and url_context) are enabled.
+     * </pre>
+     *
+     * <code>string display_name = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDisplayName() {
+      displayName_ = getDefaultInstance().getDisplayName();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Display name of the file data.
+     *
+     * Used to provide a label or filename to distinguish file datas.
+     *
+     * This field is only returned in PromptMessage for prompt management.
+     * It is currently used in the Gemini GenerateContent calls only when server
+     * side tools (code_execution, google_search, and url_context) are enabled.
+     * </pre>
+     *
+     * <code>string display_name = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      displayName_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.FunctionResponseFileData)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.FunctionResponseFileData)
+  private static final com.google.cloud.vertexai.api.FunctionResponseFileData DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.FunctionResponseFileData();
+  }
+
+  public static com.google.cloud.vertexai.api.FunctionResponseFileData getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<FunctionResponseFileData> PARSER =
+      new com.google.protobuf.AbstractParser<FunctionResponseFileData>() {
+        @java.lang.Override
+        public FunctionResponseFileData parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<FunctionResponseFileData> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<FunctionResponseFileData> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.FunctionResponseFileData getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseFileDataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseFileDataOrBuilder.java
new file mode 100644
index 000000000000..b7e4aa20c316
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseFileDataOrBuilder.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface FunctionResponseFileDataOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.FunctionResponseFileData)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The IANA standard MIME type of the source data.
+   * </pre>
+   *
+   * <code>string mime_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The mimeType.
+   */
+  java.lang.String getMimeType();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The IANA standard MIME type of the source data.
+   * </pre>
+   *
+   * <code>string mime_type = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for mimeType.
+   */
+  com.google.protobuf.ByteString getMimeTypeBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. URI.
+   * </pre>
+   *
+   * <code>string file_uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The fileUri.
+   */
+  java.lang.String getFileUri();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. URI.
+   * </pre>
+   *
+   * <code>string file_uri = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for fileUri.
+   */
+  com.google.protobuf.ByteString getFileUriBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Display name of the file data.
+   *
+   * Used to provide a label or filename to distinguish file datas.
+   *
+   * This field is only returned in PromptMessage for prompt management.
+   * It is currently used in the Gemini GenerateContent calls only when server
+   * side tools (code_execution, google_search, and url_context) are enabled.
+   * </pre>
+   *
+   * <code>string display_name = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The displayName.
+   */
+  java.lang.String getDisplayName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Display name of the file data.
+   *
+   * Used to provide a label or filename to distinguish file datas.
+   *
+   * This field is only returned in PromptMessage for prompt management.
+   * It is currently used in the Gemini GenerateContent calls only when server
+   * side tools (code_execution, google_search, and url_context) are enabled.
+   * </pre>
+   *
+   * <code>string display_name = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for displayName.
+   */
+  com.google.protobuf.ByteString getDisplayNameBytes();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseOrBuilder.java
index f5b24ebd35f6..72e96aadd3db 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface FunctionResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.FunctionResponse)
@@ -97,4 +99,75 @@ public interface FunctionResponseOrBuilder
    * <code>.google.protobuf.Struct response = 2 [(.google.api.field_behavior) = REQUIRED];</code>
    */
   com.google.protobuf.StructOrBuilder getResponseOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Ordered `Parts` that constitute a function response. Parts may
+   * have different IANA MIME types.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  java.util.List<com.google.cloud.vertexai.api.FunctionResponsePart> getPartsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Ordered `Parts` that constitute a function response. Parts may
+   * have different IANA MIME types.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.FunctionResponsePart getParts(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Ordered `Parts` that constitute a function response. Parts may
+   * have different IANA MIME types.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  int getPartsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Ordered `Parts` that constitute a function response. Parts may
+   * have different IANA MIME types.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.vertexai.api.FunctionResponsePartOrBuilder>
+      getPartsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Ordered `Parts` that constitute a function response. Parts may
+   * have different IANA MIME types.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionResponsePart parts = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.FunctionResponsePartOrBuilder getPartsOrBuilder(int index);
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponsePart.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponsePart.java
new file mode 100644
index 000000000000..4cefa556a938
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponsePart.java
@@ -0,0 +1,1120 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * A datatype containing media that is part of a `FunctionResponse` message.
+ *
+ * A `FunctionResponsePart` consists of data which has an associated datatype. A
+ * `FunctionResponsePart` can only contain one of the accepted types in
+ * `FunctionResponsePart.data`.
+ *
+ * A `FunctionResponsePart` must have a fixed IANA MIME type identifying the
+ * type and subtype of the media if the `inline_data` field is filled with raw
+ * bytes.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.FunctionResponsePart}
+ */
+@com.google.protobuf.Generated
+public final class FunctionResponsePart extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.FunctionResponsePart)
+    FunctionResponsePartOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "FunctionResponsePart");
+  }
+
+  // Use FunctionResponsePart.newBuilder() to construct.
+  private FunctionResponsePart(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private FunctionResponsePart() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ToolProto
+        .internal_static_google_cloud_vertexai_v1_FunctionResponsePart_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ToolProto
+        .internal_static_google_cloud_vertexai_v1_FunctionResponsePart_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.FunctionResponsePart.class,
+            com.google.cloud.vertexai.api.FunctionResponsePart.Builder.class);
+  }
+
+  private int dataCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object data_;
+
+  public enum DataCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    INLINE_DATA(1),
+    FILE_DATA(2),
+    DATA_NOT_SET(0);
+    private final int value;
+
+    private DataCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static DataCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static DataCase forNumber(int value) {
+      switch (value) {
+        case 1:
+          return INLINE_DATA;
+        case 2:
+          return FILE_DATA;
+        case 0:
+          return DATA_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public DataCase getDataCase() {
+    return DataCase.forNumber(dataCase_);
+  }
+
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+   *
+   *
+   * <pre>
+   * Inline media bytes.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+   *
+   * @return Whether the inlineData field is set.
+   */
+  @java.lang.Override
+  public boolean hasInlineData() {
+    return dataCase_ == 1;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Inline media bytes.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+   *
+   * @return The inlineData.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.FunctionResponseBlob getInlineData() {
+    if (dataCase_ == 1) {
+      return (com.google.cloud.vertexai.api.FunctionResponseBlob) data_;
+    }
+    return com.google.cloud.vertexai.api.FunctionResponseBlob.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Inline media bytes.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.FunctionResponseBlobOrBuilder getInlineDataOrBuilder() {
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+      return (com.google.cloud.vertexai.api.FunctionResponseBlob) data_;
+    }
+    return com.google.cloud.vertexai.api.FunctionResponseBlob.getDefaultInstance();
+  }
+
+  public static final int FILE_DATA_FIELD_NUMBER = 2;
+
+  /**
+   *
+   *
+   * <pre>
+   * URI based data.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+   *
+   * @return Whether the fileData field is set.
+   */
+  @java.lang.Override
+  public boolean hasFileData() {
+    return dataCase_ == 2;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * URI based data.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+   *
+   * @return The fileData.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.FunctionResponseFileData getFileData() {
+    if (dataCase_ == 2) {
+      return (com.google.cloud.vertexai.api.FunctionResponseFileData) data_;
+    }
+    return com.google.cloud.vertexai.api.FunctionResponseFileData.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * URI based data.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.FunctionResponseFileDataOrBuilder getFileDataOrBuilder() {
+    if (dataCase_ == 2) {
+      return (com.google.cloud.vertexai.api.FunctionResponseFileData) data_;
+    }
+    return com.google.cloud.vertexai.api.FunctionResponseFileData.getDefaultInstance();
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (dataCase_ == 1) {
+      output.writeMessage(1, (com.google.cloud.vertexai.api.FunctionResponseBlob) data_);
+    }
+    if (dataCase_ == 2) {
+      output.writeMessage(2, (com.google.cloud.vertexai.api.FunctionResponseFileData) data_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (dataCase_ == 1) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              1, (com.google.cloud.vertexai.api.FunctionResponseBlob) data_);
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+    if (dataCase_ == 2) {
+      size +=
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+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.FunctionResponsePart)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.FunctionResponsePart other =
+        (com.google.cloud.vertexai.api.FunctionResponsePart) obj;
+
+    if (!getDataCase().equals(other.getDataCase())) return false;
+    switch (dataCase_) {
+      case 1:
+        if (!getInlineData().equals(other.getInlineData())) return false;
+        break;
+      case 2:
+        if (!getFileData().equals(other.getFileData())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (dataCase_) {
+      case 1:
+        hash = (37 * hash) + INLINE_DATA_FIELD_NUMBER;
+        hash = (53 * hash) + getInlineData().hashCode();
+        break;
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+        hash = (53 * hash) + getFileData().hashCode();
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+    memoizedHashCode = hash;
+    return hash;
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+    return PARSER.parseFrom(data);
+  }
+
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+    return PARSER.parseFrom(data, extensionRegistry);
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+
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+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.FunctionResponsePart parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.FunctionResponsePart parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.FunctionResponsePart parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.FunctionResponsePart parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.FunctionResponsePart parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
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+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
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+
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+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
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+
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+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
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+
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+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
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+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.FunctionResponsePart prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
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+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * A datatype containing media that is part of a `FunctionResponse` message.
+   *
+   * A `FunctionResponsePart` consists of data which has an associated datatype. A
+   * `FunctionResponsePart` can only contain one of the accepted types in
+   * `FunctionResponsePart.data`.
+   *
+   * A `FunctionResponsePart` must have a fixed IANA MIME type identifying the
+   * type and subtype of the media if the `inline_data` field is filled with raw
+   * bytes.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.FunctionResponsePart}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.FunctionResponsePart)
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+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ToolProto
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+    private Builder() {}
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+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
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+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.FunctionResponsePart) {
+        return mergeFrom((com.google.cloud.vertexai.api.FunctionResponsePart) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.FunctionResponsePart other) {
+      if (other == com.google.cloud.vertexai.api.FunctionResponsePart.getDefaultInstance())
+        return this;
+      switch (other.getDataCase()) {
+        case INLINE_DATA:
+          {
+            mergeInlineData(other.getInlineData());
+            break;
+          }
+        case FILE_DATA:
+          {
+            mergeFileData(other.getFileData());
+            break;
+          }
+        case DATA_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(
+                    internalGetInlineDataFieldBuilder().getBuilder(), extensionRegistry);
+                dataCase_ = 1;
+                break;
+              } // case 10
+            case 18:
+              {
+                input.readMessage(
+                    internalGetFileDataFieldBuilder().getBuilder(), extensionRegistry);
+                dataCase_ = 2;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int dataCase_ = 0;
+    private java.lang.Object data_;
+
+    public DataCase getDataCase() {
+      return DataCase.forNumber(dataCase_);
+    }
+
+    public Builder clearData() {
+      dataCase_ = 0;
+      data_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.FunctionResponseBlob,
+            com.google.cloud.vertexai.api.FunctionResponseBlob.Builder,
+            com.google.cloud.vertexai.api.FunctionResponseBlobOrBuilder>
+        inlineDataBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Inline media bytes.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+     *
+     * @return Whether the inlineData field is set.
+     */
+    @java.lang.Override
+    public boolean hasInlineData() {
+      return dataCase_ == 1;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Inline media bytes.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+     *
+     * @return The inlineData.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.FunctionResponseBlob getInlineData() {
+      if (inlineDataBuilder_ == null) {
+        if (dataCase_ == 1) {
+          return (com.google.cloud.vertexai.api.FunctionResponseBlob) data_;
+        }
+        return com.google.cloud.vertexai.api.FunctionResponseBlob.getDefaultInstance();
+      } else {
+        if (dataCase_ == 1) {
+          return inlineDataBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.FunctionResponseBlob.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Inline media bytes.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+     */
+    public Builder setInlineData(com.google.cloud.vertexai.api.FunctionResponseBlob value) {
+      if (inlineDataBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        data_ = value;
+        onChanged();
+      } else {
+        inlineDataBuilder_.setMessage(value);
+      }
+      dataCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Inline media bytes.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+     */
+    public Builder setInlineData(
+        com.google.cloud.vertexai.api.FunctionResponseBlob.Builder builderForValue) {
+      if (inlineDataBuilder_ == null) {
+        data_ = builderForValue.build();
+        onChanged();
+      } else {
+        inlineDataBuilder_.setMessage(builderForValue.build());
+      }
+      dataCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Inline media bytes.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+     */
+    public Builder mergeInlineData(com.google.cloud.vertexai.api.FunctionResponseBlob value) {
+      if (inlineDataBuilder_ == null) {
+        if (dataCase_ == 1
+            && data_ != com.google.cloud.vertexai.api.FunctionResponseBlob.getDefaultInstance()) {
+          data_ =
+              com.google.cloud.vertexai.api.FunctionResponseBlob.newBuilder(
+                      (com.google.cloud.vertexai.api.FunctionResponseBlob) data_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          data_ = value;
+        }
+        onChanged();
+      } else {
+        if (dataCase_ == 1) {
+          inlineDataBuilder_.mergeFrom(value);
+        } else {
+          inlineDataBuilder_.setMessage(value);
+        }
+      }
+      dataCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Inline media bytes.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+     */
+    public Builder clearInlineData() {
+      if (inlineDataBuilder_ == null) {
+        if (dataCase_ == 1) {
+          dataCase_ = 0;
+          data_ = null;
+          onChanged();
+        }
+      } else {
+        if (dataCase_ == 1) {
+          dataCase_ = 0;
+          data_ = null;
+        }
+        inlineDataBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Inline media bytes.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+     */
+    public com.google.cloud.vertexai.api.FunctionResponseBlob.Builder getInlineDataBuilder() {
+      return internalGetInlineDataFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Inline media bytes.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.FunctionResponseBlobOrBuilder getInlineDataOrBuilder() {
+      if ((dataCase_ == 1) && (inlineDataBuilder_ != null)) {
+        return inlineDataBuilder_.getMessageOrBuilder();
+      } else {
+        if (dataCase_ == 1) {
+          return (com.google.cloud.vertexai.api.FunctionResponseBlob) data_;
+        }
+        return com.google.cloud.vertexai.api.FunctionResponseBlob.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Inline media bytes.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.FunctionResponseBlob,
+            com.google.cloud.vertexai.api.FunctionResponseBlob.Builder,
+            com.google.cloud.vertexai.api.FunctionResponseBlobOrBuilder>
+        internalGetInlineDataFieldBuilder() {
+      if (inlineDataBuilder_ == null) {
+        if (!(dataCase_ == 1)) {
+          data_ = com.google.cloud.vertexai.api.FunctionResponseBlob.getDefaultInstance();
+        }
+        inlineDataBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.FunctionResponseBlob,
+                com.google.cloud.vertexai.api.FunctionResponseBlob.Builder,
+                com.google.cloud.vertexai.api.FunctionResponseBlobOrBuilder>(
+                (com.google.cloud.vertexai.api.FunctionResponseBlob) data_,
+                getParentForChildren(),
+                isClean());
+        data_ = null;
+      }
+      dataCase_ = 1;
+      onChanged();
+      return inlineDataBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.FunctionResponseFileData,
+            com.google.cloud.vertexai.api.FunctionResponseFileData.Builder,
+            com.google.cloud.vertexai.api.FunctionResponseFileDataOrBuilder>
+        fileDataBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * URI based data.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+     *
+     * @return Whether the fileData field is set.
+     */
+    @java.lang.Override
+    public boolean hasFileData() {
+      return dataCase_ == 2;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * URI based data.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+     *
+     * @return The fileData.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.FunctionResponseFileData getFileData() {
+      if (fileDataBuilder_ == null) {
+        if (dataCase_ == 2) {
+          return (com.google.cloud.vertexai.api.FunctionResponseFileData) data_;
+        }
+        return com.google.cloud.vertexai.api.FunctionResponseFileData.getDefaultInstance();
+      } else {
+        if (dataCase_ == 2) {
+          return fileDataBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.FunctionResponseFileData.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * URI based data.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+     */
+    public Builder setFileData(com.google.cloud.vertexai.api.FunctionResponseFileData value) {
+      if (fileDataBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        data_ = value;
+        onChanged();
+      } else {
+        fileDataBuilder_.setMessage(value);
+      }
+      dataCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * URI based data.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+     */
+    public Builder setFileData(
+        com.google.cloud.vertexai.api.FunctionResponseFileData.Builder builderForValue) {
+      if (fileDataBuilder_ == null) {
+        data_ = builderForValue.build();
+        onChanged();
+      } else {
+        fileDataBuilder_.setMessage(builderForValue.build());
+      }
+      dataCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * URI based data.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+     */
+    public Builder mergeFileData(com.google.cloud.vertexai.api.FunctionResponseFileData value) {
+      if (fileDataBuilder_ == null) {
+        if (dataCase_ == 2
+            && data_
+                != com.google.cloud.vertexai.api.FunctionResponseFileData.getDefaultInstance()) {
+          data_ =
+              com.google.cloud.vertexai.api.FunctionResponseFileData.newBuilder(
+                      (com.google.cloud.vertexai.api.FunctionResponseFileData) data_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          data_ = value;
+        }
+        onChanged();
+      } else {
+        if (dataCase_ == 2) {
+          fileDataBuilder_.mergeFrom(value);
+        } else {
+          fileDataBuilder_.setMessage(value);
+        }
+      }
+      dataCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * URI based data.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+     */
+    public Builder clearFileData() {
+      if (fileDataBuilder_ == null) {
+        if (dataCase_ == 2) {
+          dataCase_ = 0;
+          data_ = null;
+          onChanged();
+        }
+      } else {
+        if (dataCase_ == 2) {
+          dataCase_ = 0;
+          data_ = null;
+        }
+        fileDataBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * URI based data.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+     */
+    public com.google.cloud.vertexai.api.FunctionResponseFileData.Builder getFileDataBuilder() {
+      return internalGetFileDataFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * URI based data.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.FunctionResponseFileDataOrBuilder getFileDataOrBuilder() {
+      if ((dataCase_ == 2) && (fileDataBuilder_ != null)) {
+        return fileDataBuilder_.getMessageOrBuilder();
+      } else {
+        if (dataCase_ == 2) {
+          return (com.google.cloud.vertexai.api.FunctionResponseFileData) data_;
+        }
+        return com.google.cloud.vertexai.api.FunctionResponseFileData.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * URI based data.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.FunctionResponseFileData,
+            com.google.cloud.vertexai.api.FunctionResponseFileData.Builder,
+            com.google.cloud.vertexai.api.FunctionResponseFileDataOrBuilder>
+        internalGetFileDataFieldBuilder() {
+      if (fileDataBuilder_ == null) {
+        if (!(dataCase_ == 2)) {
+          data_ = com.google.cloud.vertexai.api.FunctionResponseFileData.getDefaultInstance();
+        }
+        fileDataBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.FunctionResponseFileData,
+                com.google.cloud.vertexai.api.FunctionResponseFileData.Builder,
+                com.google.cloud.vertexai.api.FunctionResponseFileDataOrBuilder>(
+                (com.google.cloud.vertexai.api.FunctionResponseFileData) data_,
+                getParentForChildren(),
+                isClean());
+        data_ = null;
+      }
+      dataCase_ = 2;
+      onChanged();
+      return fileDataBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.FunctionResponsePart)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.FunctionResponsePart)
+  private static final com.google.cloud.vertexai.api.FunctionResponsePart DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.FunctionResponsePart();
+  }
+
+  public static com.google.cloud.vertexai.api.FunctionResponsePart getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<FunctionResponsePart> PARSER =
+      new com.google.protobuf.AbstractParser<FunctionResponsePart>() {
+        @java.lang.Override
+        public FunctionResponsePart parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<FunctionResponsePart> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<FunctionResponsePart> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.FunctionResponsePart getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponsePartOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponsePartOrBuilder.java
new file mode 100644
index 000000000000..1df045e660d5
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionResponsePartOrBuilder.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface FunctionResponsePartOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.FunctionResponsePart)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Inline media bytes.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+   *
+   * @return Whether the inlineData field is set.
+   */
+  boolean hasInlineData();
+
+  /**
+   *
+   *
+   * <pre>
+   * Inline media bytes.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+   *
+   * @return The inlineData.
+   */
+  com.google.cloud.vertexai.api.FunctionResponseBlob getInlineData();
+
+  /**
+   *
+   *
+   * <pre>
+   * Inline media bytes.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.FunctionResponseBlob inline_data = 1;</code>
+   */
+  com.google.cloud.vertexai.api.FunctionResponseBlobOrBuilder getInlineDataOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * URI based data.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+   *
+   * @return Whether the fileData field is set.
+   */
+  boolean hasFileData();
+
+  /**
+   *
+   *
+   * <pre>
+   * URI based data.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+   *
+   * @return The fileData.
+   */
+  com.google.cloud.vertexai.api.FunctionResponseFileData getFileData();
+
+  /**
+   *
+   *
+   * <pre>
+   * URI based data.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.FunctionResponseFileData file_data = 2;</code>
+   */
+  com.google.cloud.vertexai.api.FunctionResponseFileDataOrBuilder getFileDataOrBuilder();
+
+  com.google.cloud.vertexai.api.FunctionResponsePart.DataCase getDataCase();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsDestination.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsDestination.java
index 53a504e35aa5..34277eff6abf 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsDestination.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsDestination.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.GcsDestination}
  */
-public final class GcsDestination extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class GcsDestination extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GcsDestination)
     GcsDestinationOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "GcsDestination");
+  }
+
   // Use GcsDestination.newBuilder() to construct.
-  private GcsDestination(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private GcsDestination(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private GcsDestination() {
     outputUriPrefix_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new GcsDestination();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_GcsDestination_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_GcsDestination_fieldAccessorTable
@@ -137,8 +143,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputUriPrefix_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, outputUriPrefix_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(outputUriPrefix_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, outputUriPrefix_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -149,8 +155,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputUriPrefix_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, outputUriPrefix_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(outputUriPrefix_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, outputUriPrefix_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -224,38 +230,38 @@ public static com.google.cloud.vertexai.api.GcsDestination parseFrom(
 
   public static com.google.cloud.vertexai.api.GcsDestination parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GcsDestination parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GcsDestination parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GcsDestination parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GcsDestination parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GcsDestination parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -278,7 +284,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -292,7 +298,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GcsDestination}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GcsDestination)
       com.google.cloud.vertexai.api.GcsDestinationOrBuilder {
@@ -302,7 +308,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_GcsDestination_fieldAccessorTable
@@ -314,7 +320,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.GcsDestination.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -364,39 +370,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.GcsDestination result)
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.GcsDestination) {
@@ -591,17 +564,6 @@ public Builder setOutputUriPrefixBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GcsDestination)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsDestinationOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsDestinationOrBuilder.java
index 48fa0d39ed6e..4354e4c71822 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsDestinationOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsDestinationOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface GcsDestinationOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GcsDestination)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsSource.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsSource.java
index 91e101f0e728..7ae510e015fa 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsSource.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsSource.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.GcsSource}
  */
-public final class GcsSource extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class GcsSource extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GcsSource)
     GcsSourceOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "GcsSource");
+  }
+
   // Use GcsSource.newBuilder() to construct.
-  private GcsSource(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private GcsSource(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private GcsSource() {
     uris_ = com.google.protobuf.LazyStringArrayList.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new GcsSource();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_GcsSource_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_GcsSource_fieldAccessorTable
@@ -155,7 +161,7 @@ public final boolean isInitialized() {
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
     for (int i = 0; i < uris_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, uris_.getRaw(i));
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, uris_.getRaw(i));
     }
     getUnknownFields().writeTo(output);
   }
@@ -247,38 +253,38 @@ public static com.google.cloud.vertexai.api.GcsSource parseFrom(
 
   public static com.google.cloud.vertexai.api.GcsSource parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GcsSource parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GcsSource parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GcsSource parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GcsSource parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GcsSource parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -301,7 +307,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -315,7 +321,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GcsSource}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GcsSource)
       com.google.cloud.vertexai.api.GcsSourceOrBuilder {
@@ -325,7 +331,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_GcsSource_fieldAccessorTable
@@ -337,7 +343,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.GcsSource.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -388,39 +394,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.GcsSource result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.GcsSource) {
@@ -696,17 +669,6 @@ public Builder addUrisBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GcsSource)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsSourceOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsSourceOrBuilder.java
index 3a62c3d8451e..cf40222e6bc4 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsSourceOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GcsSourceOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface GcsSourceOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GcsSource)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenAiAdvancedFeaturesConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenAiAdvancedFeaturesConfig.java
new file mode 100644
index 000000000000..ca88570e1935
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenAiAdvancedFeaturesConfig.java
@@ -0,0 +1,1233 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Configuration for GenAiAdvancedFeatures.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig}
+ */
+@com.google.protobuf.Generated
+public final class GenAiAdvancedFeaturesConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig)
+    GenAiAdvancedFeaturesConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "GenAiAdvancedFeaturesConfig");
+  }
+
+  // Use GenAiAdvancedFeaturesConfig.newBuilder() to construct.
+  private GenAiAdvancedFeaturesConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private GenAiAdvancedFeaturesConfig() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.EndpointProto
+        .internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.EndpointProto
+        .internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.class,
+            com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.Builder.class);
+  }
+
+  public interface RagConfigOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * If true, enable Retrieval Augmented Generation in ChatCompletion request.
+     * Once enabled, the endpoint will be identified as GenAI endpoint and
+     * Arthedain router will be used.
+     * </pre>
+     *
+     * <code>bool enable_rag = 1;</code>
+     *
+     * @return The enableRag.
+     */
+    boolean getEnableRag();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for Retrieval Augmented Generation feature.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig}
+   */
+  public static final class RagConfig extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig)
+      RagConfigOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "RagConfig");
+    }
+
+    // Use RagConfig.newBuilder() to construct.
+    private RagConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private RagConfig() {}
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.EndpointProto
+          .internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_RagConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.EndpointProto
+          .internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_RagConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig.class,
+              com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig.Builder.class);
+    }
+
+    public static final int ENABLE_RAG_FIELD_NUMBER = 1;
+    private boolean enableRag_ = false;
+
+    /**
+     *
+     *
+     * <pre>
+     * If true, enable Retrieval Augmented Generation in ChatCompletion request.
+     * Once enabled, the endpoint will be identified as GenAI endpoint and
+     * Arthedain router will be used.
+     * </pre>
+     *
+     * <code>bool enable_rag = 1;</code>
+     *
+     * @return The enableRag.
+     */
+    @java.lang.Override
+    public boolean getEnableRag() {
+      return enableRag_;
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (enableRag_ != false) {
+        output.writeBool(1, enableRag_);
+      }
+      getUnknownFields().writeTo(output);
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+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
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+    public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
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+    public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
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+    public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
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+    public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
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+    public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
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+    public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig parseFrom(
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+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
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+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
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+    public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig
+        parseDelimitedFrom(
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+            throws java.io.IOException {
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+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
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+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
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+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
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+    public static Builder newBuilder(
+        com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
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+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
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+    /**
+     *
+     *
+     * <pre>
+     * Configuration for Retrieval Augmented Generation feature.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig)
+        com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfigOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.EndpointProto
+            .internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_RagConfig_descriptor;
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+      @java.lang.Override
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+                com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig.Builder.class);
+      }
+
+      // Construct using
+      // com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
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+      public Builder clear() {
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+        enableRag_ = false;
+        return this;
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+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.vertexai.api.EndpointProto
+            .internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_RagConfig_descriptor;
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+      @java.lang.Override
+      public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig
+          getDefaultInstanceForType() {
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+            .getDefaultInstance();
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+      public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig build() {
+        com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
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+        return result;
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+      @java.lang.Override
+      public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig buildPartial() {
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+          buildPartial0(result);
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+        onBuilt();
+        return result;
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+      private void buildPartial0(
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+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.enableRag_ = enableRag_;
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+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig) {
+          return mergeFrom(
+              (com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
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+
+      public Builder mergeFrom(
+          com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig other) {
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+        if (other.getEnableRag() != false) {
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+        this.mergeUnknownFields(other.getUnknownFields());
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+      @java.lang.Override
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+      @java.lang.Override
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+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
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+      /**
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+       *
+       * <pre>
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+       * </pre>
+       *
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+       *
+       * @return The enableRag.
+       */
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+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * If true, enable Retrieval Augmented Generation in ChatCompletion request.
+       * Once enabled, the endpoint will be identified as GenAI endpoint and
+       * Arthedain router will be used.
+       * </pre>
+       *
+       * <code>bool enable_rag = 1;</code>
+       *
+       * @param value The enableRag to set.
+       * @return This builder for chaining.
+       */
+      public Builder setEnableRag(boolean value) {
+
+        enableRag_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * If true, enable Retrieval Augmented Generation in ChatCompletion request.
+       * Once enabled, the endpoint will be identified as GenAI endpoint and
+       * Arthedain router will be used.
+       * </pre>
+       *
+       * <code>bool enable_rag = 1;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearEnableRag() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        enableRag_ = false;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig)
+    private static final com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig();
+    }
+
+    public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<RagConfig> PARSER =
+        new com.google.protobuf.AbstractParser<RagConfig>() {
+          @java.lang.Override
+          public RagConfig parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
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+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<RagConfig> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<RagConfig> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  private int bitField0_;
+  public static final int RAG_CONFIG_FIELD_NUMBER = 1;
+  private com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig ragConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for Retrieval Augmented Generation feature.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+   *
+   * @return Whether the ragConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasRagConfig() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for Retrieval Augmented Generation feature.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+   *
+   * @return The ragConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig getRagConfig() {
+    return ragConfig_ == null
+        ? com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig.getDefaultInstance()
+        : ragConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for Retrieval Augmented Generation feature.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfigOrBuilder
+      getRagConfigOrBuilder() {
+    return ragConfig_ == null
+        ? com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig.getDefaultInstance()
+        : ragConfig_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
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+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(1, getRagConfig());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
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+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig other =
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+
+    if (hasRagConfig() != other.hasRagConfig()) return false;
+    if (hasRagConfig()) {
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+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasRagConfig()) {
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+    memoizedHashCode = hash;
+    return hash;
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+  public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for GenAiAdvancedFeatures.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig)
+      com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.EndpointProto
+          .internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.EndpointProto
+          .internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.class,
+              com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetRagConfigFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      ragConfig_ = null;
+      if (ragConfigBuilder_ != null) {
+        ragConfigBuilder_.dispose();
+        ragConfigBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.EndpointProto
+          .internal_static_google_cloud_vertexai_v1_GenAiAdvancedFeaturesConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig build() {
+      com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig buildPartial() {
+      com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig result =
+          new com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.ragConfig_ = ragConfigBuilder_ == null ? ragConfig_ : ragConfigBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig other) {
+      if (other == com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.getDefaultInstance())
+        return this;
+      if (other.hasRagConfig()) {
+        mergeRagConfig(other.getRagConfig());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(
+                    internalGetRagConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig ragConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig,
+            com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig.Builder,
+            com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfigOrBuilder>
+        ragConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Configuration for Retrieval Augmented Generation feature.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+     *
+     * @return Whether the ragConfig field is set.
+     */
+    public boolean hasRagConfig() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Configuration for Retrieval Augmented Generation feature.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+     *
+     * @return The ragConfig.
+     */
+    public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig getRagConfig() {
+      if (ragConfigBuilder_ == null) {
+        return ragConfig_ == null
+            ? com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig
+                .getDefaultInstance()
+            : ragConfig_;
+      } else {
+        return ragConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Configuration for Retrieval Augmented Generation feature.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+     */
+    public Builder setRagConfig(
+        com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig value) {
+      if (ragConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ragConfig_ = value;
+      } else {
+        ragConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Configuration for Retrieval Augmented Generation feature.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+     */
+    public Builder setRagConfig(
+        com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig.Builder
+            builderForValue) {
+      if (ragConfigBuilder_ == null) {
+        ragConfig_ = builderForValue.build();
+      } else {
+        ragConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Configuration for Retrieval Augmented Generation feature.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+     */
+    public Builder mergeRagConfig(
+        com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig value) {
+      if (ragConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)
+            && ragConfig_ != null
+            && ragConfig_
+                != com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig
+                    .getDefaultInstance()) {
+          getRagConfigBuilder().mergeFrom(value);
+        } else {
+          ragConfig_ = value;
+        }
+      } else {
+        ragConfigBuilder_.mergeFrom(value);
+      }
+      if (ragConfig_ != null) {
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Configuration for Retrieval Augmented Generation feature.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+     */
+    public Builder clearRagConfig() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      ragConfig_ = null;
+      if (ragConfigBuilder_ != null) {
+        ragConfigBuilder_.dispose();
+        ragConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Configuration for Retrieval Augmented Generation feature.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+     */
+    public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig.Builder
+        getRagConfigBuilder() {
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return internalGetRagConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Configuration for Retrieval Augmented Generation feature.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+     */
+    public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfigOrBuilder
+        getRagConfigOrBuilder() {
+      if (ragConfigBuilder_ != null) {
+        return ragConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return ragConfig_ == null
+            ? com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig
+                .getDefaultInstance()
+            : ragConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Configuration for Retrieval Augmented Generation feature.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig,
+            com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig.Builder,
+            com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfigOrBuilder>
+        internalGetRagConfigFieldBuilder() {
+      if (ragConfigBuilder_ == null) {
+        ragConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig,
+                com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig.Builder,
+                com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfigOrBuilder>(
+                getRagConfig(), getParentForChildren(), isClean());
+        ragConfig_ = null;
+      }
+      return ragConfigBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig)
+  private static final com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<GenAiAdvancedFeaturesConfig> PARSER =
+      new com.google.protobuf.AbstractParser<GenAiAdvancedFeaturesConfig>() {
+        @java.lang.Override
+        public GenAiAdvancedFeaturesConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<GenAiAdvancedFeaturesConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<GenAiAdvancedFeaturesConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenAiAdvancedFeaturesConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenAiAdvancedFeaturesConfigOrBuilder.java
new file mode 100644
index 000000000000..096c93890934
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenAiAdvancedFeaturesConfigOrBuilder.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface GenAiAdvancedFeaturesConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for Retrieval Augmented Generation feature.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+   *
+   * @return Whether the ragConfig field is set.
+   */
+  boolean hasRagConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for Retrieval Augmented Generation feature.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+   *
+   * @return The ragConfig.
+   */
+  com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfig getRagConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for Retrieval Augmented Generation feature.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GenAiAdvancedFeaturesConfig.RagConfig rag_config = 1;</code>
+   */
+  com.google.cloud.vertexai.api.GenAiAdvancedFeaturesConfig.RagConfigOrBuilder
+      getRagConfigOrBuilder();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentRequest.java
index 0efc79bd9207..8f87bd443bcd 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.GenerateContentRequest}
  */
-public final class GenerateContentRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class GenerateContentRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GenerateContentRequest)
     GenerateContentRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "GenerateContentRequest");
+  }
+
   // Use GenerateContentRequest.newBuilder() to construct.
-  private GenerateContentRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private GenerateContentRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -47,12 +59,6 @@ private GenerateContentRequest() {
     safetySettings_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new GenerateContentRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_GenerateContentRequest_descriptor;
@@ -71,7 +77,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldRefl
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_GenerateContentRequest_fieldAccessorTable
@@ -780,6 +786,68 @@ public com.google.cloud.vertexai.api.SafetySettingOrBuilder getSafetySettingsOrB
     return safetySettings_.get(index);
   }
 
+  public static final int MODEL_ARMOR_CONFIG_FIELD_NUMBER = 11;
+  private com.google.cloud.vertexai.api.ModelArmorConfig modelArmorConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Settings for prompt and response sanitization using the Model
+   * Armor service. If supplied, safety_settings must not be supplied.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the modelArmorConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasModelArmorConfig() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Settings for prompt and response sanitization using the Model
+   * Armor service. If supplied, safety_settings must not be supplied.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The modelArmorConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ModelArmorConfig getModelArmorConfig() {
+    return modelArmorConfig_ == null
+        ? com.google.cloud.vertexai.api.ModelArmorConfig.getDefaultInstance()
+        : modelArmorConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Settings for prompt and response sanitization using the Model
+   * Armor service. If supplied, safety_settings must not be supplied.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ModelArmorConfigOrBuilder getModelArmorConfigOrBuilder() {
+    return modelArmorConfig_ == null
+        ? com.google.cloud.vertexai.api.ModelArmorConfig.getDefaultInstance()
+        : modelArmorConfig_;
+  }
+
   public static final int GENERATION_CONFIG_FIELD_NUMBER = 4;
   private com.google.cloud.vertexai.api.GenerationConfig generationConfig_;
 
@@ -798,7 +866,7 @@ public com.google.cloud.vertexai.api.SafetySettingOrBuilder getSafetySettingsOrB
    */
   @java.lang.Override
   public boolean hasGenerationConfig() {
-    return ((bitField0_ & 0x00000004) != 0);
+    return ((bitField0_ & 0x00000008) != 0);
   }
 
   /**
@@ -859,11 +927,11 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     for (int i = 0; i < safetySettings_.size(); i++) {
       output.writeMessage(3, safetySettings_.get(i));
     }
-    if (((bitField0_ & 0x00000004) != 0)) {
+    if (((bitField0_ & 0x00000008) != 0)) {
       output.writeMessage(4, getGenerationConfig());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(model_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, model_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(model_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 5, model_);
     }
     for (int i = 0; i < tools_.size(); i++) {
       output.writeMessage(6, tools_.get(i));
@@ -874,11 +942,14 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(8, getSystemInstruction());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(cachedContent_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 9, cachedContent_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(cachedContent_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 9, cachedContent_);
     }
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
+    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
         output, internalGetLabels(), LabelsDefaultEntryHolder.defaultEntry, 10);
+    if (((bitField0_ & 0x00000004) != 0)) {
+      output.writeMessage(11, getModelArmorConfig());
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -894,11 +965,11 @@ public int getSerializedSize() {
     for (int i = 0; i < safetySettings_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, safetySettings_.get(i));
     }
-    if (((bitField0_ & 0x00000004) != 0)) {
+    if (((bitField0_ & 0x00000008) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getGenerationConfig());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(model_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, model_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(model_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(5, model_);
     }
     for (int i = 0; i < tools_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, tools_.get(i));
@@ -909,8 +980,8 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(8, getSystemInstruction());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(cachedContent_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(9, cachedContent_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(cachedContent_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(9, cachedContent_);
     }
     for (java.util.Map.Entry<java.lang.String, java.lang.String> entry :
         internalGetLabels().getMap().entrySet()) {
@@ -922,6 +993,9 @@ public int getSerializedSize() {
               .build();
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(10, labels__);
     }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(11, getModelArmorConfig());
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -952,6 +1026,10 @@ public boolean equals(final java.lang.Object obj) {
     }
     if (!internalGetLabels().equals(other.internalGetLabels())) return false;
     if (!getSafetySettingsList().equals(other.getSafetySettingsList())) return false;
+    if (hasModelArmorConfig() != other.hasModelArmorConfig()) return false;
+    if (hasModelArmorConfig()) {
+      if (!getModelArmorConfig().equals(other.getModelArmorConfig())) return false;
+    }
     if (hasGenerationConfig() != other.hasGenerationConfig()) return false;
     if (hasGenerationConfig()) {
       if (!getGenerationConfig().equals(other.getGenerationConfig())) return false;
@@ -995,6 +1073,10 @@ public int hashCode() {
       hash = (37 * hash) + SAFETY_SETTINGS_FIELD_NUMBER;
       hash = (53 * hash) + getSafetySettingsList().hashCode();
     }
+    if (hasModelArmorConfig()) {
+      hash = (37 * hash) + MODEL_ARMOR_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getModelArmorConfig().hashCode();
+    }
     if (hasGenerationConfig()) {
       hash = (37 * hash) + GENERATION_CONFIG_FIELD_NUMBER;
       hash = (53 * hash) + getGenerationConfig().hashCode();
@@ -1041,38 +1123,38 @@ public static com.google.cloud.vertexai.api.GenerateContentRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.GenerateContentRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GenerateContentRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GenerateContentRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GenerateContentRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GenerateContentRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GenerateContentRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -1095,7 +1177,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -1109,7 +1191,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GenerateContentRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GenerateContentRequest)
       com.google.cloud.vertexai.api.GenerateContentRequestOrBuilder {
@@ -1141,7 +1223,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFi
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_GenerateContentRequest_fieldAccessorTable
@@ -1155,19 +1237,20 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getContentsFieldBuilder();
-        getSystemInstructionFieldBuilder();
-        getToolsFieldBuilder();
-        getToolConfigFieldBuilder();
-        getSafetySettingsFieldBuilder();
-        getGenerationConfigFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetContentsFieldBuilder();
+        internalGetSystemInstructionFieldBuilder();
+        internalGetToolsFieldBuilder();
+        internalGetToolConfigFieldBuilder();
+        internalGetSafetySettingsFieldBuilder();
+        internalGetModelArmorConfigFieldBuilder();
+        internalGetGenerationConfigFieldBuilder();
       }
     }
 
@@ -1209,6 +1292,11 @@ public Builder clear() {
         safetySettingsBuilder_.clear();
       }
       bitField0_ = (bitField0_ & ~0x00000080);
+      modelArmorConfig_ = null;
+      if (modelArmorConfigBuilder_ != null) {
+        modelArmorConfigBuilder_.dispose();
+        modelArmorConfigBuilder_ = null;
+      }
       generationConfig_ = null;
       if (generationConfigBuilder_ != null) {
         generationConfigBuilder_.dispose();
@@ -1305,46 +1393,18 @@ private void buildPartial0(com.google.cloud.vertexai.api.GenerateContentRequest
         result.labels_.makeImmutable();
       }
       if (((from_bitField0_ & 0x00000100) != 0)) {
+        result.modelArmorConfig_ =
+            modelArmorConfigBuilder_ == null ? modelArmorConfig_ : modelArmorConfigBuilder_.build();
+        to_bitField0_ |= 0x00000004;
+      }
+      if (((from_bitField0_ & 0x00000200) != 0)) {
         result.generationConfig_ =
             generationConfigBuilder_ == null ? generationConfig_ : generationConfigBuilder_.build();
-        to_bitField0_ |= 0x00000004;
+        to_bitField0_ |= 0x00000008;
       }
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.GenerateContentRequest) {
@@ -1382,8 +1442,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.GenerateContentRequest ot
             contents_ = other.contents_;
             bitField0_ = (bitField0_ & ~0x00000002);
             contentsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getContentsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetContentsFieldBuilder()
                     : null;
           } else {
             contentsBuilder_.addAllMessages(other.contents_);
@@ -1417,8 +1477,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.GenerateContentRequest ot
             tools_ = other.tools_;
             bitField0_ = (bitField0_ & ~0x00000010);
             toolsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getToolsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetToolsFieldBuilder()
                     : null;
           } else {
             toolsBuilder_.addAllMessages(other.tools_);
@@ -1449,14 +1509,17 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.GenerateContentRequest ot
             safetySettings_ = other.safetySettings_;
             bitField0_ = (bitField0_ & ~0x00000080);
             safetySettingsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getSafetySettingsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetSafetySettingsFieldBuilder()
                     : null;
           } else {
             safetySettingsBuilder_.addAllMessages(other.safetySettings_);
           }
         }
       }
+      if (other.hasModelArmorConfig()) {
+        mergeModelArmorConfig(other.getModelArmorConfig());
+      }
       if (other.hasGenerationConfig()) {
         mergeGenerationConfig(other.getGenerationConfig());
       }
@@ -1515,8 +1578,8 @@ public Builder mergeFrom(
             case 34:
               {
                 input.readMessage(
-                    getGenerationConfigFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000100;
+                    internalGetGenerationConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000200;
                 break;
               } // case 34
             case 42:
@@ -1540,14 +1603,15 @@ public Builder mergeFrom(
               } // case 50
             case 58:
               {
-                input.readMessage(getToolConfigFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetToolConfigFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000020;
                 break;
               } // case 58
             case 66:
               {
                 input.readMessage(
-                    getSystemInstructionFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetSystemInstructionFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 66
@@ -1569,6 +1633,13 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000040;
                 break;
               } // case 82
+            case 90:
+              {
+                input.readMessage(
+                    internalGetModelArmorConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000100;
+                break;
+              } // case 90
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -1744,7 +1815,7 @@ private void ensureContentsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
@@ -2081,7 +2152,7 @@ public Builder removeContents(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Content.Builder getContentsBuilder(int index) {
-      return getContentsFieldBuilder().getBuilder(index);
+      return internalGetContentsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -2147,7 +2218,7 @@ public com.google.cloud.vertexai.api.ContentOrBuilder getContentsOrBuilder(int i
      * </code>
      */
     public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder() {
-      return getContentsFieldBuilder()
+      return internalGetContentsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Content.getDefaultInstance());
     }
 
@@ -2167,7 +2238,7 @@ public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder(int index) {
-      return getContentsFieldBuilder()
+      return internalGetContentsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Content.getDefaultInstance());
     }
 
@@ -2187,17 +2258,17 @@ public com.google.cloud.vertexai.api.Content.Builder addContentsBuilder(int inde
      * </code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Content.Builder> getContentsBuilderList() {
-      return getContentsFieldBuilder().getBuilderList();
+      return internalGetContentsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
-        getContentsFieldBuilder() {
+        internalGetContentsFieldBuilder() {
       if (contentsBuilder_ == null) {
         contentsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Content,
                 com.google.cloud.vertexai.api.Content.Builder,
                 com.google.cloud.vertexai.api.ContentOrBuilder>(
@@ -2208,7 +2279,7 @@ public java.util.List<com.google.cloud.vertexai.api.Content.Builder> getContents
     }
 
     private com.google.cloud.vertexai.api.Content systemInstruction_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
@@ -2382,7 +2453,7 @@ public Builder clearSystemInstruction() {
     public com.google.cloud.vertexai.api.Content.Builder getSystemInstructionBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getSystemInstructionFieldBuilder().getBuilder();
+      return internalGetSystemInstructionFieldBuilder().getBuilder();
     }
 
     /**
@@ -2421,14 +2492,14 @@ public com.google.cloud.vertexai.api.ContentOrBuilder getSystemInstructionOrBuil
      * optional .google.cloud.vertexai.v1.Content system_instruction = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Content,
             com.google.cloud.vertexai.api.Content.Builder,
             com.google.cloud.vertexai.api.ContentOrBuilder>
-        getSystemInstructionFieldBuilder() {
+        internalGetSystemInstructionFieldBuilder() {
       if (systemInstructionBuilder_ == null) {
         systemInstructionBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Content,
                 com.google.cloud.vertexai.api.Content.Builder,
                 com.google.cloud.vertexai.api.ContentOrBuilder>(
@@ -2589,7 +2660,7 @@ private void ensureToolsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tool,
             com.google.cloud.vertexai.api.Tool.Builder,
             com.google.cloud.vertexai.api.ToolOrBuilder>
@@ -2937,7 +3008,7 @@ public Builder removeTools(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Tool.Builder getToolsBuilder(int index) {
-      return getToolsFieldBuilder().getBuilder(index);
+      return internalGetToolsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -3006,7 +3077,7 @@ public com.google.cloud.vertexai.api.ToolOrBuilder getToolsOrBuilder(int index)
      * </code>
      */
     public com.google.cloud.vertexai.api.Tool.Builder addToolsBuilder() {
-      return getToolsFieldBuilder()
+      return internalGetToolsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Tool.getDefaultInstance());
     }
 
@@ -3027,7 +3098,7 @@ public com.google.cloud.vertexai.api.Tool.Builder addToolsBuilder() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Tool.Builder addToolsBuilder(int index) {
-      return getToolsFieldBuilder()
+      return internalGetToolsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Tool.getDefaultInstance());
     }
 
@@ -3048,17 +3119,17 @@ public com.google.cloud.vertexai.api.Tool.Builder addToolsBuilder(int index) {
      * </code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Tool.Builder> getToolsBuilderList() {
-      return getToolsFieldBuilder().getBuilderList();
+      return internalGetToolsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tool,
             com.google.cloud.vertexai.api.Tool.Builder,
             com.google.cloud.vertexai.api.ToolOrBuilder>
-        getToolsFieldBuilder() {
+        internalGetToolsFieldBuilder() {
       if (toolsBuilder_ == null) {
         toolsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Tool,
                 com.google.cloud.vertexai.api.Tool.Builder,
                 com.google.cloud.vertexai.api.ToolOrBuilder>(
@@ -3069,7 +3140,7 @@ public java.util.List<com.google.cloud.vertexai.api.Tool.Builder> getToolsBuilde
     }
 
     private com.google.cloud.vertexai.api.ToolConfig toolConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ToolConfig,
             com.google.cloud.vertexai.api.ToolConfig.Builder,
             com.google.cloud.vertexai.api.ToolConfigOrBuilder>
@@ -3235,7 +3306,7 @@ public Builder clearToolConfig() {
     public com.google.cloud.vertexai.api.ToolConfig.Builder getToolConfigBuilder() {
       bitField0_ |= 0x00000020;
       onChanged();
-      return getToolConfigFieldBuilder().getBuilder();
+      return internalGetToolConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -3272,14 +3343,14 @@ public com.google.cloud.vertexai.api.ToolConfigOrBuilder getToolConfigOrBuilder(
      * .google.cloud.vertexai.v1.ToolConfig tool_config = 7 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ToolConfig,
             com.google.cloud.vertexai.api.ToolConfig.Builder,
             com.google.cloud.vertexai.api.ToolConfigOrBuilder>
-        getToolConfigFieldBuilder() {
+        internalGetToolConfigFieldBuilder() {
       if (toolConfigBuilder_ == null) {
         toolConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.ToolConfig,
                 com.google.cloud.vertexai.api.ToolConfig.Builder,
                 com.google.cloud.vertexai.api.ToolConfigOrBuilder>(
@@ -3514,7 +3585,7 @@ private void ensureSafetySettingsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.SafetySetting,
             com.google.cloud.vertexai.api.SafetySetting.Builder,
             com.google.cloud.vertexai.api.SafetySettingOrBuilder>
@@ -3813,7 +3884,7 @@ public Builder removeSafetySettings(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.SafetySetting.Builder getSafetySettingsBuilder(int index) {
-      return getSafetySettingsFieldBuilder().getBuilder(index);
+      return internalGetSafetySettingsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -3871,7 +3942,7 @@ public com.google.cloud.vertexai.api.SafetySettingOrBuilder getSafetySettingsOrB
      * </code>
      */
     public com.google.cloud.vertexai.api.SafetySetting.Builder addSafetySettingsBuilder() {
-      return getSafetySettingsFieldBuilder()
+      return internalGetSafetySettingsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.SafetySetting.getDefaultInstance());
     }
 
@@ -3888,7 +3959,7 @@ public com.google.cloud.vertexai.api.SafetySetting.Builder addSafetySettingsBuil
      * </code>
      */
     public com.google.cloud.vertexai.api.SafetySetting.Builder addSafetySettingsBuilder(int index) {
-      return getSafetySettingsFieldBuilder()
+      return internalGetSafetySettingsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.SafetySetting.getDefaultInstance());
     }
 
@@ -3906,17 +3977,17 @@ public com.google.cloud.vertexai.api.SafetySetting.Builder addSafetySettingsBuil
      */
     public java.util.List<com.google.cloud.vertexai.api.SafetySetting.Builder>
         getSafetySettingsBuilderList() {
-      return getSafetySettingsFieldBuilder().getBuilderList();
+      return internalGetSafetySettingsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.SafetySetting,
             com.google.cloud.vertexai.api.SafetySetting.Builder,
             com.google.cloud.vertexai.api.SafetySettingOrBuilder>
-        getSafetySettingsFieldBuilder() {
+        internalGetSafetySettingsFieldBuilder() {
       if (safetySettingsBuilder_ == null) {
         safetySettingsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.SafetySetting,
                 com.google.cloud.vertexai.api.SafetySetting.Builder,
                 com.google.cloud.vertexai.api.SafetySettingOrBuilder>(
@@ -3929,8 +4000,231 @@ public com.google.cloud.vertexai.api.SafetySetting.Builder addSafetySettingsBuil
       return safetySettingsBuilder_;
     }
 
+    private com.google.cloud.vertexai.api.ModelArmorConfig modelArmorConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.ModelArmorConfig,
+            com.google.cloud.vertexai.api.ModelArmorConfig.Builder,
+            com.google.cloud.vertexai.api.ModelArmorConfigOrBuilder>
+        modelArmorConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Settings for prompt and response sanitization using the Model
+     * Armor service. If supplied, safety_settings must not be supplied.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the modelArmorConfig field is set.
+     */
+    public boolean hasModelArmorConfig() {
+      return ((bitField0_ & 0x00000100) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Settings for prompt and response sanitization using the Model
+     * Armor service. If supplied, safety_settings must not be supplied.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The modelArmorConfig.
+     */
+    public com.google.cloud.vertexai.api.ModelArmorConfig getModelArmorConfig() {
+      if (modelArmorConfigBuilder_ == null) {
+        return modelArmorConfig_ == null
+            ? com.google.cloud.vertexai.api.ModelArmorConfig.getDefaultInstance()
+            : modelArmorConfig_;
+      } else {
+        return modelArmorConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Settings for prompt and response sanitization using the Model
+     * Armor service. If supplied, safety_settings must not be supplied.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setModelArmorConfig(com.google.cloud.vertexai.api.ModelArmorConfig value) {
+      if (modelArmorConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        modelArmorConfig_ = value;
+      } else {
+        modelArmorConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Settings for prompt and response sanitization using the Model
+     * Armor service. If supplied, safety_settings must not be supplied.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setModelArmorConfig(
+        com.google.cloud.vertexai.api.ModelArmorConfig.Builder builderForValue) {
+      if (modelArmorConfigBuilder_ == null) {
+        modelArmorConfig_ = builderForValue.build();
+      } else {
+        modelArmorConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Settings for prompt and response sanitization using the Model
+     * Armor service. If supplied, safety_settings must not be supplied.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeModelArmorConfig(com.google.cloud.vertexai.api.ModelArmorConfig value) {
+      if (modelArmorConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000100) != 0)
+            && modelArmorConfig_ != null
+            && modelArmorConfig_
+                != com.google.cloud.vertexai.api.ModelArmorConfig.getDefaultInstance()) {
+          getModelArmorConfigBuilder().mergeFrom(value);
+        } else {
+          modelArmorConfig_ = value;
+        }
+      } else {
+        modelArmorConfigBuilder_.mergeFrom(value);
+      }
+      if (modelArmorConfig_ != null) {
+        bitField0_ |= 0x00000100;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Settings for prompt and response sanitization using the Model
+     * Armor service. If supplied, safety_settings must not be supplied.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearModelArmorConfig() {
+      bitField0_ = (bitField0_ & ~0x00000100);
+      modelArmorConfig_ = null;
+      if (modelArmorConfigBuilder_ != null) {
+        modelArmorConfigBuilder_.dispose();
+        modelArmorConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Settings for prompt and response sanitization using the Model
+     * Armor service. If supplied, safety_settings must not be supplied.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModelArmorConfig.Builder getModelArmorConfigBuilder() {
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return internalGetModelArmorConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Settings for prompt and response sanitization using the Model
+     * Armor service. If supplied, safety_settings must not be supplied.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModelArmorConfigOrBuilder getModelArmorConfigOrBuilder() {
+      if (modelArmorConfigBuilder_ != null) {
+        return modelArmorConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return modelArmorConfig_ == null
+            ? com.google.cloud.vertexai.api.ModelArmorConfig.getDefaultInstance()
+            : modelArmorConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Settings for prompt and response sanitization using the Model
+     * Armor service. If supplied, safety_settings must not be supplied.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.ModelArmorConfig,
+            com.google.cloud.vertexai.api.ModelArmorConfig.Builder,
+            com.google.cloud.vertexai.api.ModelArmorConfigOrBuilder>
+        internalGetModelArmorConfigFieldBuilder() {
+      if (modelArmorConfigBuilder_ == null) {
+        modelArmorConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.ModelArmorConfig,
+                com.google.cloud.vertexai.api.ModelArmorConfig.Builder,
+                com.google.cloud.vertexai.api.ModelArmorConfigOrBuilder>(
+                getModelArmorConfig(), getParentForChildren(), isClean());
+        modelArmorConfig_ = null;
+      }
+      return modelArmorConfigBuilder_;
+    }
+
     private com.google.cloud.vertexai.api.GenerationConfig generationConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenerationConfig,
             com.google.cloud.vertexai.api.GenerationConfig.Builder,
             com.google.cloud.vertexai.api.GenerationConfigOrBuilder>
@@ -3950,7 +4244,7 @@ public com.google.cloud.vertexai.api.SafetySetting.Builder addSafetySettingsBuil
      * @return Whether the generationConfig field is set.
      */
     public boolean hasGenerationConfig() {
-      return ((bitField0_ & 0x00000100) != 0);
+      return ((bitField0_ & 0x00000200) != 0);
     }
 
     /**
@@ -3996,7 +4290,7 @@ public Builder setGenerationConfig(com.google.cloud.vertexai.api.GenerationConfi
       } else {
         generationConfigBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00000100;
+      bitField0_ |= 0x00000200;
       onChanged();
       return this;
     }
@@ -4019,7 +4313,7 @@ public Builder setGenerationConfig(
       } else {
         generationConfigBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00000100;
+      bitField0_ |= 0x00000200;
       onChanged();
       return this;
     }
@@ -4037,7 +4331,7 @@ public Builder setGenerationConfig(
      */
     public Builder mergeGenerationConfig(com.google.cloud.vertexai.api.GenerationConfig value) {
       if (generationConfigBuilder_ == null) {
-        if (((bitField0_ & 0x00000100) != 0)
+        if (((bitField0_ & 0x00000200) != 0)
             && generationConfig_ != null
             && generationConfig_
                 != com.google.cloud.vertexai.api.GenerationConfig.getDefaultInstance()) {
@@ -4049,7 +4343,7 @@ public Builder mergeGenerationConfig(com.google.cloud.vertexai.api.GenerationCon
         generationConfigBuilder_.mergeFrom(value);
       }
       if (generationConfig_ != null) {
-        bitField0_ |= 0x00000100;
+        bitField0_ |= 0x00000200;
         onChanged();
       }
       return this;
@@ -4067,7 +4361,7 @@ public Builder mergeGenerationConfig(com.google.cloud.vertexai.api.GenerationCon
      * </code>
      */
     public Builder clearGenerationConfig() {
-      bitField0_ = (bitField0_ & ~0x00000100);
+      bitField0_ = (bitField0_ & ~0x00000200);
       generationConfig_ = null;
       if (generationConfigBuilder_ != null) {
         generationConfigBuilder_.dispose();
@@ -4089,9 +4383,9 @@ public Builder clearGenerationConfig() {
      * </code>
      */
     public com.google.cloud.vertexai.api.GenerationConfig.Builder getGenerationConfigBuilder() {
-      bitField0_ |= 0x00000100;
+      bitField0_ |= 0x00000200;
       onChanged();
-      return getGenerationConfigFieldBuilder().getBuilder();
+      return internalGetGenerationConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -4126,14 +4420,14 @@ public com.google.cloud.vertexai.api.GenerationConfigOrBuilder getGenerationConf
      * .google.cloud.vertexai.v1.GenerationConfig generation_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenerationConfig,
             com.google.cloud.vertexai.api.GenerationConfig.Builder,
             com.google.cloud.vertexai.api.GenerationConfigOrBuilder>
-        getGenerationConfigFieldBuilder() {
+        internalGetGenerationConfigFieldBuilder() {
       if (generationConfigBuilder_ == null) {
         generationConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GenerationConfig,
                 com.google.cloud.vertexai.api.GenerationConfig.Builder,
                 com.google.cloud.vertexai.api.GenerationConfigOrBuilder>(
@@ -4143,17 +4437,6 @@ public com.google.cloud.vertexai.api.GenerationConfigOrBuilder getGenerationConf
       return generationConfigBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GenerateContentRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentRequestOrBuilder.java
index 30faf7362c68..a28687ee3a94 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface GenerateContentRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GenerateContentRequest)
@@ -537,6 +539,52 @@ java.lang.String getLabelsOrDefault(
    */
   com.google.cloud.vertexai.api.SafetySettingOrBuilder getSafetySettingsOrBuilder(int index);
 
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Settings for prompt and response sanitization using the Model
+   * Armor service. If supplied, safety_settings must not be supplied.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the modelArmorConfig field is set.
+   */
+  boolean hasModelArmorConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Settings for prompt and response sanitization using the Model
+   * Armor service. If supplied, safety_settings must not be supplied.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The modelArmorConfig.
+   */
+  com.google.cloud.vertexai.api.ModelArmorConfig getModelArmorConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Settings for prompt and response sanitization using the Model
+   * Armor service. If supplied, safety_settings must not be supplied.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.ModelArmorConfig model_armor_config = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.ModelArmorConfigOrBuilder getModelArmorConfigOrBuilder();
+
   /**
    *
    *
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentResponse.java
index d0de1de1de82..52fd7485422f 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.GenerateContentResponse}
  */
-public final class GenerateContentResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class GenerateContentResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GenerateContentResponse)
     GenerateContentResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "GenerateContentResponse");
+  }
+
   // Use GenerateContentResponse.newBuilder() to construct.
-  private GenerateContentResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private GenerateContentResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,13 @@ private GenerateContentResponse() {
     responseId_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new GenerateContentResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_GenerateContentResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_GenerateContentResponse_fieldAccessorTable
@@ -204,14 +210,24 @@ public interface PromptFeedbackOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GenerateContentResponse.PromptFeedback}
    */
-  public static final class PromptFeedback extends com.google.protobuf.GeneratedMessageV3
+  public static final class PromptFeedback extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GenerateContentResponse.PromptFeedback)
       PromptFeedbackOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "PromptFeedback");
+    }
+
     // Use PromptFeedback.newBuilder() to construct.
-    private PromptFeedback(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private PromptFeedback(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -221,19 +237,13 @@ private PromptFeedback() {
       blockReasonMessage_ = "";
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new PromptFeedback();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_GenerateContentResponse_PromptFeedback_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_GenerateContentResponse_PromptFeedback_fieldAccessorTable
@@ -304,9 +314,39 @@ public enum BlockedReason implements com.google.protobuf.ProtocolMessageEnum {
        * <code>PROHIBITED_CONTENT = 4;</code>
        */
       PROHIBITED_CONTENT(4),
+      /**
+       *
+       *
+       * <pre>
+       * The user prompt was blocked by Model Armor.
+       * </pre>
+       *
+       * <code>MODEL_ARMOR = 5;</code>
+       */
+      MODEL_ARMOR(5),
+      /**
+       *
+       *
+       * <pre>
+       * The user prompt was blocked due to jailbreak.
+       * </pre>
+       *
+       * <code>JAILBREAK = 6;</code>
+       */
+      JAILBREAK(6),
       UNRECOGNIZED(-1),
       ;
 
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 0,
+            /* suffix= */ "",
+            "BlockedReason");
+      }
+
       /**
        *
        *
@@ -363,6 +403,28 @@ public enum BlockedReason implements com.google.protobuf.ProtocolMessageEnum {
        */
       public static final int PROHIBITED_CONTENT_VALUE = 4;
 
+      /**
+       *
+       *
+       * <pre>
+       * The user prompt was blocked by Model Armor.
+       * </pre>
+       *
+       * <code>MODEL_ARMOR = 5;</code>
+       */
+      public static final int MODEL_ARMOR_VALUE = 5;
+
+      /**
+       *
+       *
+       * <pre>
+       * The user prompt was blocked due to jailbreak.
+       * </pre>
+       *
+       * <code>JAILBREAK = 6;</code>
+       */
+      public static final int JAILBREAK_VALUE = 6;
+
       public final int getNumber() {
         if (this == UNRECOGNIZED) {
           throw new java.lang.IllegalArgumentException(
@@ -397,6 +459,10 @@ public static BlockedReason forNumber(int value) {
             return BLOCKLIST;
           case 4:
             return PROHIBITED_CONTENT;
+          case 5:
+            return MODEL_ARMOR;
+          case 6:
+            return JAILBREAK;
           default:
             return null;
         }
@@ -426,7 +492,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
         return getDescriptor();
       }
 
-      public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
         return com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback.getDescriptor()
             .getEnumTypes()
             .get(0);
@@ -663,8 +729,8 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
       for (int i = 0; i < safetyRatings_.size(); i++) {
         output.writeMessage(2, safetyRatings_.get(i));
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(blockReasonMessage_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 3, blockReasonMessage_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(blockReasonMessage_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 3, blockReasonMessage_);
       }
       getUnknownFields().writeTo(output);
     }
@@ -684,8 +750,8 @@ public int getSerializedSize() {
       for (int i = 0; i < safetyRatings_.size(); i++) {
         size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, safetyRatings_.get(i));
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(blockReasonMessage_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, blockReasonMessage_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(blockReasonMessage_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(3, blockReasonMessage_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSize = size;
@@ -767,39 +833,39 @@ public static com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedba
 
     public static com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback
         parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback
         parseDelimitedFrom(
             java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
             throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -823,8 +889,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -838,8 +903,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.GenerateContentResponse.PromptFeedback}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GenerateContentResponse.PromptFeedback)
         com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedbackOrBuilder {
@@ -849,7 +913,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.PredictionServiceProto
             .internal_static_google_cloud_vertexai_v1_GenerateContentResponse_PromptFeedback_fieldAccessorTable
@@ -862,7 +926,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -941,41 +1005,6 @@ private void buildPartial0(
         }
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback) {
@@ -1014,8 +1043,8 @@ public Builder mergeFrom(
               safetyRatings_ = other.safetyRatings_;
               bitField0_ = (bitField0_ & ~0x00000002);
               safetyRatingsBuilder_ =
-                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                      ? getSafetyRatingsFieldBuilder()
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetSafetyRatingsFieldBuilder()
                       : null;
             } else {
               safetyRatingsBuilder_.addAllMessages(other.safetyRatings_);
@@ -1220,7 +1249,7 @@ private void ensureSafetyRatingsIsMutable() {
         }
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.cloud.vertexai.api.SafetyRating,
               com.google.cloud.vertexai.api.SafetyRating.Builder,
               com.google.cloud.vertexai.api.SafetyRatingOrBuilder>
@@ -1506,7 +1535,7 @@ public Builder removeSafetyRatings(int index) {
        * </code>
        */
       public com.google.cloud.vertexai.api.SafetyRating.Builder getSafetyRatingsBuilder(int index) {
-        return getSafetyRatingsFieldBuilder().getBuilder(index);
+        return internalGetSafetyRatingsFieldBuilder().getBuilder(index);
       }
 
       /**
@@ -1561,7 +1590,7 @@ public com.google.cloud.vertexai.api.SafetyRatingOrBuilder getSafetyRatingsOrBui
        * </code>
        */
       public com.google.cloud.vertexai.api.SafetyRating.Builder addSafetyRatingsBuilder() {
-        return getSafetyRatingsFieldBuilder()
+        return internalGetSafetyRatingsFieldBuilder()
             .addBuilder(com.google.cloud.vertexai.api.SafetyRating.getDefaultInstance());
       }
 
@@ -1577,7 +1606,7 @@ public com.google.cloud.vertexai.api.SafetyRating.Builder addSafetyRatingsBuilde
        * </code>
        */
       public com.google.cloud.vertexai.api.SafetyRating.Builder addSafetyRatingsBuilder(int index) {
-        return getSafetyRatingsFieldBuilder()
+        return internalGetSafetyRatingsFieldBuilder()
             .addBuilder(index, com.google.cloud.vertexai.api.SafetyRating.getDefaultInstance());
       }
 
@@ -1594,17 +1623,17 @@ public com.google.cloud.vertexai.api.SafetyRating.Builder addSafetyRatingsBuilde
        */
       public java.util.List<com.google.cloud.vertexai.api.SafetyRating.Builder>
           getSafetyRatingsBuilderList() {
-        return getSafetyRatingsFieldBuilder().getBuilderList();
+        return internalGetSafetyRatingsFieldBuilder().getBuilderList();
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.cloud.vertexai.api.SafetyRating,
               com.google.cloud.vertexai.api.SafetyRating.Builder,
               com.google.cloud.vertexai.api.SafetyRatingOrBuilder>
-          getSafetyRatingsFieldBuilder() {
+          internalGetSafetyRatingsFieldBuilder() {
         if (safetyRatingsBuilder_ == null) {
           safetyRatingsBuilder_ =
-              new com.google.protobuf.RepeatedFieldBuilderV3<
+              new com.google.protobuf.RepeatedFieldBuilder<
                   com.google.cloud.vertexai.api.SafetyRating,
                   com.google.cloud.vertexai.api.SafetyRating.Builder,
                   com.google.cloud.vertexai.api.SafetyRatingOrBuilder>(
@@ -1728,18 +1757,6 @@ public Builder setBlockReasonMessageBytes(com.google.protobuf.ByteString value)
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GenerateContentResponse.PromptFeedback)
     }
 
@@ -1828,6 +1845,19 @@ public interface UsageMetadataOrBuilder
      */
     int getCandidatesTokenCount();
 
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Number of tokens present in thoughts output.
+     * </pre>
+     *
+     * <code>int32 thoughts_token_count = 14 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The thoughtsTokenCount.
+     */
+    int getThoughtsTokenCount();
+
     /**
      *
      *
@@ -2073,14 +2103,24 @@ com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder getCandidatesTokensDet
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GenerateContentResponse.UsageMetadata}
    */
-  public static final class UsageMetadata extends com.google.protobuf.GeneratedMessageV3
+  public static final class UsageMetadata extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GenerateContentResponse.UsageMetadata)
       UsageMetadataOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "UsageMetadata");
+    }
+
     // Use UsageMetadata.newBuilder() to construct.
-    private UsageMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private UsageMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -2090,19 +2130,13 @@ private UsageMetadata() {
       candidatesTokensDetails_ = java.util.Collections.emptyList();
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new UsageMetadata();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_GenerateContentResponse_UsageMetadata_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_GenerateContentResponse_UsageMetadata_fieldAccessorTable
@@ -2151,6 +2185,25 @@ public int getCandidatesTokenCount() {
       return candidatesTokenCount_;
     }
 
+    public static final int THOUGHTS_TOKEN_COUNT_FIELD_NUMBER = 14;
+    private int thoughtsTokenCount_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Number of tokens present in thoughts output.
+     * </pre>
+     *
+     * <code>int32 thoughts_token_count = 14 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The thoughtsTokenCount.
+     */
+    @java.lang.Override
+    public int getThoughtsTokenCount() {
+      return thoughtsTokenCount_;
+    }
+
     public static final int TOTAL_TOKEN_COUNT_FIELD_NUMBER = 3;
     private int totalTokenCount_ = 0;
 
@@ -2496,6 +2549,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
       for (int i = 0; i < candidatesTokensDetails_.size(); i++) {
         output.writeMessage(11, candidatesTokensDetails_.get(i));
       }
+      if (thoughtsTokenCount_ != 0) {
+        output.writeInt32(14, thoughtsTokenCount_);
+      }
       getUnknownFields().writeTo(output);
     }
 
@@ -2532,6 +2588,9 @@ public int getSerializedSize() {
             com.google.protobuf.CodedOutputStream.computeMessageSize(
                 11, candidatesTokensDetails_.get(i));
       }
+      if (thoughtsTokenCount_ != 0) {
+        size += com.google.protobuf.CodedOutputStream.computeInt32Size(14, thoughtsTokenCount_);
+      }
       size += getUnknownFields().getSerializedSize();
       memoizedSize = size;
       return size;
@@ -2550,6 +2609,7 @@ public boolean equals(final java.lang.Object obj) {
 
       if (getPromptTokenCount() != other.getPromptTokenCount()) return false;
       if (getCandidatesTokenCount() != other.getCandidatesTokenCount()) return false;
+      if (getThoughtsTokenCount() != other.getThoughtsTokenCount()) return false;
       if (getTotalTokenCount() != other.getTotalTokenCount()) return false;
       if (getCachedContentTokenCount() != other.getCachedContentTokenCount()) return false;
       if (!getPromptTokensDetailsList().equals(other.getPromptTokensDetailsList())) return false;
@@ -2571,6 +2631,8 @@ public int hashCode() {
       hash = (53 * hash) + getPromptTokenCount();
       hash = (37 * hash) + CANDIDATES_TOKEN_COUNT_FIELD_NUMBER;
       hash = (53 * hash) + getCandidatesTokenCount();
+      hash = (37 * hash) + THOUGHTS_TOKEN_COUNT_FIELD_NUMBER;
+      hash = (53 * hash) + getThoughtsTokenCount();
       hash = (37 * hash) + TOTAL_TOKEN_COUNT_FIELD_NUMBER;
       hash = (53 * hash) + getTotalTokenCount();
       hash = (37 * hash) + CACHED_CONTENT_TOKEN_COUNT_FIELD_NUMBER;
@@ -2629,39 +2691,39 @@ public static com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadat
 
     public static com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata
         parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata
         parseDelimitedFrom(
             java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
             throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -2685,8 +2747,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -2700,8 +2761,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.GenerateContentResponse.UsageMetadata}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GenerateContentResponse.UsageMetadata)
         com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadataOrBuilder {
@@ -2711,7 +2771,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.PredictionServiceProto
             .internal_static_google_cloud_vertexai_v1_GenerateContentResponse_UsageMetadata_fieldAccessorTable
@@ -2724,7 +2784,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -2734,6 +2794,7 @@ public Builder clear() {
         bitField0_ = 0;
         promptTokenCount_ = 0;
         candidatesTokenCount_ = 0;
+        thoughtsTokenCount_ = 0;
         totalTokenCount_ = 0;
         cachedContentTokenCount_ = 0;
         if (promptTokensDetailsBuilder_ == null) {
@@ -2742,21 +2803,21 @@ public Builder clear() {
           promptTokensDetails_ = null;
           promptTokensDetailsBuilder_.clear();
         }
-        bitField0_ = (bitField0_ & ~0x00000010);
+        bitField0_ = (bitField0_ & ~0x00000020);
         if (cacheTokensDetailsBuilder_ == null) {
           cacheTokensDetails_ = java.util.Collections.emptyList();
         } else {
           cacheTokensDetails_ = null;
           cacheTokensDetailsBuilder_.clear();
         }
-        bitField0_ = (bitField0_ & ~0x00000020);
+        bitField0_ = (bitField0_ & ~0x00000040);
         if (candidatesTokensDetailsBuilder_ == null) {
           candidatesTokensDetails_ = java.util.Collections.emptyList();
         } else {
           candidatesTokensDetails_ = null;
           candidatesTokensDetailsBuilder_.clear();
         }
-        bitField0_ = (bitField0_ & ~0x00000040);
+        bitField0_ = (bitField0_ & ~0x00000080);
         return this;
       }
 
@@ -2797,28 +2858,28 @@ public com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata build
       private void buildPartialRepeatedFields(
           com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata result) {
         if (promptTokensDetailsBuilder_ == null) {
-          if (((bitField0_ & 0x00000010) != 0)) {
+          if (((bitField0_ & 0x00000020) != 0)) {
             promptTokensDetails_ = java.util.Collections.unmodifiableList(promptTokensDetails_);
-            bitField0_ = (bitField0_ & ~0x00000010);
+            bitField0_ = (bitField0_ & ~0x00000020);
           }
           result.promptTokensDetails_ = promptTokensDetails_;
         } else {
           result.promptTokensDetails_ = promptTokensDetailsBuilder_.build();
         }
         if (cacheTokensDetailsBuilder_ == null) {
-          if (((bitField0_ & 0x00000020) != 0)) {
+          if (((bitField0_ & 0x00000040) != 0)) {
             cacheTokensDetails_ = java.util.Collections.unmodifiableList(cacheTokensDetails_);
-            bitField0_ = (bitField0_ & ~0x00000020);
+            bitField0_ = (bitField0_ & ~0x00000040);
           }
           result.cacheTokensDetails_ = cacheTokensDetails_;
         } else {
           result.cacheTokensDetails_ = cacheTokensDetailsBuilder_.build();
         }
         if (candidatesTokensDetailsBuilder_ == null) {
-          if (((bitField0_ & 0x00000040) != 0)) {
+          if (((bitField0_ & 0x00000080) != 0)) {
             candidatesTokensDetails_ =
                 java.util.Collections.unmodifiableList(candidatesTokensDetails_);
-            bitField0_ = (bitField0_ & ~0x00000040);
+            bitField0_ = (bitField0_ & ~0x00000080);
           }
           result.candidatesTokensDetails_ = candidatesTokensDetails_;
         } else {
@@ -2836,48 +2897,16 @@ private void buildPartial0(
           result.candidatesTokenCount_ = candidatesTokenCount_;
         }
         if (((from_bitField0_ & 0x00000004) != 0)) {
-          result.totalTokenCount_ = totalTokenCount_;
+          result.thoughtsTokenCount_ = thoughtsTokenCount_;
         }
         if (((from_bitField0_ & 0x00000008) != 0)) {
+          result.totalTokenCount_ = totalTokenCount_;
+        }
+        if (((from_bitField0_ & 0x00000010) != 0)) {
           result.cachedContentTokenCount_ = cachedContentTokenCount_;
         }
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata) {
@@ -2900,6 +2929,9 @@ public Builder mergeFrom(
         if (other.getCandidatesTokenCount() != 0) {
           setCandidatesTokenCount(other.getCandidatesTokenCount());
         }
+        if (other.getThoughtsTokenCount() != 0) {
+          setThoughtsTokenCount(other.getThoughtsTokenCount());
+        }
         if (other.getTotalTokenCount() != 0) {
           setTotalTokenCount(other.getTotalTokenCount());
         }
@@ -2910,7 +2942,7 @@ public Builder mergeFrom(
           if (!other.promptTokensDetails_.isEmpty()) {
             if (promptTokensDetails_.isEmpty()) {
               promptTokensDetails_ = other.promptTokensDetails_;
-              bitField0_ = (bitField0_ & ~0x00000010);
+              bitField0_ = (bitField0_ & ~0x00000020);
             } else {
               ensurePromptTokensDetailsIsMutable();
               promptTokensDetails_.addAll(other.promptTokensDetails_);
@@ -2923,10 +2955,10 @@ public Builder mergeFrom(
               promptTokensDetailsBuilder_.dispose();
               promptTokensDetailsBuilder_ = null;
               promptTokensDetails_ = other.promptTokensDetails_;
-              bitField0_ = (bitField0_ & ~0x00000010);
+              bitField0_ = (bitField0_ & ~0x00000020);
               promptTokensDetailsBuilder_ =
-                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                      ? getPromptTokensDetailsFieldBuilder()
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetPromptTokensDetailsFieldBuilder()
                       : null;
             } else {
               promptTokensDetailsBuilder_.addAllMessages(other.promptTokensDetails_);
@@ -2937,7 +2969,7 @@ public Builder mergeFrom(
           if (!other.cacheTokensDetails_.isEmpty()) {
             if (cacheTokensDetails_.isEmpty()) {
               cacheTokensDetails_ = other.cacheTokensDetails_;
-              bitField0_ = (bitField0_ & ~0x00000020);
+              bitField0_ = (bitField0_ & ~0x00000040);
             } else {
               ensureCacheTokensDetailsIsMutable();
               cacheTokensDetails_.addAll(other.cacheTokensDetails_);
@@ -2950,10 +2982,10 @@ public Builder mergeFrom(
               cacheTokensDetailsBuilder_.dispose();
               cacheTokensDetailsBuilder_ = null;
               cacheTokensDetails_ = other.cacheTokensDetails_;
-              bitField0_ = (bitField0_ & ~0x00000020);
+              bitField0_ = (bitField0_ & ~0x00000040);
               cacheTokensDetailsBuilder_ =
-                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                      ? getCacheTokensDetailsFieldBuilder()
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetCacheTokensDetailsFieldBuilder()
                       : null;
             } else {
               cacheTokensDetailsBuilder_.addAllMessages(other.cacheTokensDetails_);
@@ -2964,7 +2996,7 @@ public Builder mergeFrom(
           if (!other.candidatesTokensDetails_.isEmpty()) {
             if (candidatesTokensDetails_.isEmpty()) {
               candidatesTokensDetails_ = other.candidatesTokensDetails_;
-              bitField0_ = (bitField0_ & ~0x00000040);
+              bitField0_ = (bitField0_ & ~0x00000080);
             } else {
               ensureCandidatesTokensDetailsIsMutable();
               candidatesTokensDetails_.addAll(other.candidatesTokensDetails_);
@@ -2977,10 +3009,10 @@ public Builder mergeFrom(
               candidatesTokensDetailsBuilder_.dispose();
               candidatesTokensDetailsBuilder_ = null;
               candidatesTokensDetails_ = other.candidatesTokensDetails_;
-              bitField0_ = (bitField0_ & ~0x00000040);
+              bitField0_ = (bitField0_ & ~0x00000080);
               candidatesTokensDetailsBuilder_ =
-                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                      ? getCandidatesTokensDetailsFieldBuilder()
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetCandidatesTokensDetailsFieldBuilder()
                       : null;
             } else {
               candidatesTokensDetailsBuilder_.addAllMessages(other.candidatesTokensDetails_);
@@ -3028,13 +3060,13 @@ public Builder mergeFrom(
               case 24:
                 {
                   totalTokenCount_ = input.readInt32();
-                  bitField0_ |= 0x00000004;
+                  bitField0_ |= 0x00000008;
                   break;
                 } // case 24
               case 40:
                 {
                   cachedContentTokenCount_ = input.readInt32();
-                  bitField0_ |= 0x00000008;
+                  bitField0_ |= 0x00000010;
                   break;
                 } // case 40
               case 74:
@@ -3079,6 +3111,12 @@ public Builder mergeFrom(
                   }
                   break;
                 } // case 90
+              case 112:
+                {
+                  thoughtsTokenCount_ = input.readInt32();
+                  bitField0_ |= 0x00000004;
+                  break;
+                } // case 112
               default:
                 {
                   if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -3216,6 +3254,62 @@ public Builder clearCandidatesTokenCount() {
         return this;
       }
 
+      private int thoughtsTokenCount_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. Number of tokens present in thoughts output.
+       * </pre>
+       *
+       * <code>int32 thoughts_token_count = 14 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+       *
+       * @return The thoughtsTokenCount.
+       */
+      @java.lang.Override
+      public int getThoughtsTokenCount() {
+        return thoughtsTokenCount_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. Number of tokens present in thoughts output.
+       * </pre>
+       *
+       * <code>int32 thoughts_token_count = 14 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+       *
+       * @param value The thoughtsTokenCount to set.
+       * @return This builder for chaining.
+       */
+      public Builder setThoughtsTokenCount(int value) {
+
+        thoughtsTokenCount_ = value;
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. Number of tokens present in thoughts output.
+       * </pre>
+       *
+       * <code>int32 thoughts_token_count = 14 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearThoughtsTokenCount() {
+        bitField0_ = (bitField0_ & ~0x00000004);
+        thoughtsTokenCount_ = 0;
+        onChanged();
+        return this;
+      }
+
       private int totalTokenCount_;
 
       /**
@@ -3249,7 +3343,7 @@ public int getTotalTokenCount() {
       public Builder setTotalTokenCount(int value) {
 
         totalTokenCount_ = value;
-        bitField0_ |= 0x00000004;
+        bitField0_ |= 0x00000008;
         onChanged();
         return this;
       }
@@ -3266,7 +3360,7 @@ public Builder setTotalTokenCount(int value) {
        * @return This builder for chaining.
        */
       public Builder clearTotalTokenCount() {
-        bitField0_ = (bitField0_ & ~0x00000004);
+        bitField0_ = (bitField0_ & ~0x00000008);
         totalTokenCount_ = 0;
         onChanged();
         return this;
@@ -3309,7 +3403,7 @@ public int getCachedContentTokenCount() {
       public Builder setCachedContentTokenCount(int value) {
 
         cachedContentTokenCount_ = value;
-        bitField0_ |= 0x00000008;
+        bitField0_ |= 0x00000010;
         onChanged();
         return this;
       }
@@ -3328,7 +3422,7 @@ public Builder setCachedContentTokenCount(int value) {
        * @return This builder for chaining.
        */
       public Builder clearCachedContentTokenCount() {
-        bitField0_ = (bitField0_ & ~0x00000008);
+        bitField0_ = (bitField0_ & ~0x00000010);
         cachedContentTokenCount_ = 0;
         onChanged();
         return this;
@@ -3338,15 +3432,15 @@ public Builder clearCachedContentTokenCount() {
           promptTokensDetails_ = java.util.Collections.emptyList();
 
       private void ensurePromptTokensDetailsIsMutable() {
-        if (!((bitField0_ & 0x00000010) != 0)) {
+        if (!((bitField0_ & 0x00000020) != 0)) {
           promptTokensDetails_ =
               new java.util.ArrayList<com.google.cloud.vertexai.api.ModalityTokenCount>(
                   promptTokensDetails_);
-          bitField0_ |= 0x00000010;
+          bitField0_ |= 0x00000020;
         }
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.cloud.vertexai.api.ModalityTokenCount,
               com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
               com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
@@ -3594,7 +3688,7 @@ public Builder addAllPromptTokensDetails(
       public Builder clearPromptTokensDetails() {
         if (promptTokensDetailsBuilder_ == null) {
           promptTokensDetails_ = java.util.Collections.emptyList();
-          bitField0_ = (bitField0_ & ~0x00000010);
+          bitField0_ = (bitField0_ & ~0x00000020);
           onChanged();
         } else {
           promptTokensDetailsBuilder_.clear();
@@ -3637,7 +3731,7 @@ public Builder removePromptTokensDetails(int index) {
        */
       public com.google.cloud.vertexai.api.ModalityTokenCount.Builder getPromptTokensDetailsBuilder(
           int index) {
-        return getPromptTokensDetailsFieldBuilder().getBuilder(index);
+        return internalGetPromptTokensDetailsFieldBuilder().getBuilder(index);
       }
 
       /**
@@ -3693,7 +3787,7 @@ public com.google.cloud.vertexai.api.ModalityTokenCount.Builder getPromptTokensD
        */
       public com.google.cloud.vertexai.api.ModalityTokenCount.Builder
           addPromptTokensDetailsBuilder() {
-        return getPromptTokensDetailsFieldBuilder()
+        return internalGetPromptTokensDetailsFieldBuilder()
             .addBuilder(com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
       }
 
@@ -3710,7 +3804,7 @@ public com.google.cloud.vertexai.api.ModalityTokenCount.Builder getPromptTokensD
        */
       public com.google.cloud.vertexai.api.ModalityTokenCount.Builder addPromptTokensDetailsBuilder(
           int index) {
-        return getPromptTokensDetailsFieldBuilder()
+        return internalGetPromptTokensDetailsFieldBuilder()
             .addBuilder(
                 index, com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
       }
@@ -3728,22 +3822,22 @@ public com.google.cloud.vertexai.api.ModalityTokenCount.Builder addPromptTokensD
        */
       public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount.Builder>
           getPromptTokensDetailsBuilderList() {
-        return getPromptTokensDetailsFieldBuilder().getBuilderList();
+        return internalGetPromptTokensDetailsFieldBuilder().getBuilderList();
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.cloud.vertexai.api.ModalityTokenCount,
               com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
               com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
-          getPromptTokensDetailsFieldBuilder() {
+          internalGetPromptTokensDetailsFieldBuilder() {
         if (promptTokensDetailsBuilder_ == null) {
           promptTokensDetailsBuilder_ =
-              new com.google.protobuf.RepeatedFieldBuilderV3<
+              new com.google.protobuf.RepeatedFieldBuilder<
                   com.google.cloud.vertexai.api.ModalityTokenCount,
                   com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
                   com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>(
                   promptTokensDetails_,
-                  ((bitField0_ & 0x00000010) != 0),
+                  ((bitField0_ & 0x00000020) != 0),
                   getParentForChildren(),
                   isClean());
           promptTokensDetails_ = null;
@@ -3755,15 +3849,15 @@ public com.google.cloud.vertexai.api.ModalityTokenCount.Builder addPromptTokensD
           java.util.Collections.emptyList();
 
       private void ensureCacheTokensDetailsIsMutable() {
-        if (!((bitField0_ & 0x00000020) != 0)) {
+        if (!((bitField0_ & 0x00000040) != 0)) {
           cacheTokensDetails_ =
               new java.util.ArrayList<com.google.cloud.vertexai.api.ModalityTokenCount>(
                   cacheTokensDetails_);
-          bitField0_ |= 0x00000020;
+          bitField0_ |= 0x00000040;
         }
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.cloud.vertexai.api.ModalityTokenCount,
               com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
               com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
@@ -4021,7 +4115,7 @@ public Builder addAllCacheTokensDetails(
       public Builder clearCacheTokensDetails() {
         if (cacheTokensDetailsBuilder_ == null) {
           cacheTokensDetails_ = java.util.Collections.emptyList();
-          bitField0_ = (bitField0_ & ~0x00000020);
+          bitField0_ = (bitField0_ & ~0x00000040);
           onChanged();
         } else {
           cacheTokensDetailsBuilder_.clear();
@@ -4066,7 +4160,7 @@ public Builder removeCacheTokensDetails(int index) {
        */
       public com.google.cloud.vertexai.api.ModalityTokenCount.Builder getCacheTokensDetailsBuilder(
           int index) {
-        return getCacheTokensDetailsFieldBuilder().getBuilder(index);
+        return internalGetCacheTokensDetailsFieldBuilder().getBuilder(index);
       }
 
       /**
@@ -4125,7 +4219,7 @@ public com.google.cloud.vertexai.api.ModalityTokenCount.Builder getCacheTokensDe
        */
       public com.google.cloud.vertexai.api.ModalityTokenCount.Builder
           addCacheTokensDetailsBuilder() {
-        return getCacheTokensDetailsFieldBuilder()
+        return internalGetCacheTokensDetailsFieldBuilder()
             .addBuilder(com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
       }
 
@@ -4143,7 +4237,7 @@ public com.google.cloud.vertexai.api.ModalityTokenCount.Builder getCacheTokensDe
        */
       public com.google.cloud.vertexai.api.ModalityTokenCount.Builder addCacheTokensDetailsBuilder(
           int index) {
-        return getCacheTokensDetailsFieldBuilder()
+        return internalGetCacheTokensDetailsFieldBuilder()
             .addBuilder(
                 index, com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
       }
@@ -4162,22 +4256,22 @@ public com.google.cloud.vertexai.api.ModalityTokenCount.Builder addCacheTokensDe
        */
       public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount.Builder>
           getCacheTokensDetailsBuilderList() {
-        return getCacheTokensDetailsFieldBuilder().getBuilderList();
+        return internalGetCacheTokensDetailsFieldBuilder().getBuilderList();
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.cloud.vertexai.api.ModalityTokenCount,
               com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
               com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
-          getCacheTokensDetailsFieldBuilder() {
+          internalGetCacheTokensDetailsFieldBuilder() {
         if (cacheTokensDetailsBuilder_ == null) {
           cacheTokensDetailsBuilder_ =
-              new com.google.protobuf.RepeatedFieldBuilderV3<
+              new com.google.protobuf.RepeatedFieldBuilder<
                   com.google.cloud.vertexai.api.ModalityTokenCount,
                   com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
                   com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>(
                   cacheTokensDetails_,
-                  ((bitField0_ & 0x00000020) != 0),
+                  ((bitField0_ & 0x00000040) != 0),
                   getParentForChildren(),
                   isClean());
           cacheTokensDetails_ = null;
@@ -4189,15 +4283,15 @@ public com.google.cloud.vertexai.api.ModalityTokenCount.Builder addCacheTokensDe
           candidatesTokensDetails_ = java.util.Collections.emptyList();
 
       private void ensureCandidatesTokensDetailsIsMutable() {
-        if (!((bitField0_ & 0x00000040) != 0)) {
+        if (!((bitField0_ & 0x00000080) != 0)) {
           candidatesTokensDetails_ =
               new java.util.ArrayList<com.google.cloud.vertexai.api.ModalityTokenCount>(
                   candidatesTokensDetails_);
-          bitField0_ |= 0x00000040;
+          bitField0_ |= 0x00000080;
         }
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.cloud.vertexai.api.ModalityTokenCount,
               com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
               com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
@@ -4446,7 +4540,7 @@ public Builder addAllCandidatesTokensDetails(
       public Builder clearCandidatesTokensDetails() {
         if (candidatesTokensDetailsBuilder_ == null) {
           candidatesTokensDetails_ = java.util.Collections.emptyList();
-          bitField0_ = (bitField0_ & ~0x00000040);
+          bitField0_ = (bitField0_ & ~0x00000080);
           onChanged();
         } else {
           candidatesTokensDetailsBuilder_.clear();
@@ -4489,7 +4583,7 @@ public Builder removeCandidatesTokensDetails(int index) {
        */
       public com.google.cloud.vertexai.api.ModalityTokenCount.Builder
           getCandidatesTokensDetailsBuilder(int index) {
-        return getCandidatesTokensDetailsFieldBuilder().getBuilder(index);
+        return internalGetCandidatesTokensDetailsFieldBuilder().getBuilder(index);
       }
 
       /**
@@ -4545,7 +4639,7 @@ public Builder removeCandidatesTokensDetails(int index) {
        */
       public com.google.cloud.vertexai.api.ModalityTokenCount.Builder
           addCandidatesTokensDetailsBuilder() {
-        return getCandidatesTokensDetailsFieldBuilder()
+        return internalGetCandidatesTokensDetailsFieldBuilder()
             .addBuilder(com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
       }
 
@@ -4562,7 +4656,7 @@ public Builder removeCandidatesTokensDetails(int index) {
        */
       public com.google.cloud.vertexai.api.ModalityTokenCount.Builder
           addCandidatesTokensDetailsBuilder(int index) {
-        return getCandidatesTokensDetailsFieldBuilder()
+        return internalGetCandidatesTokensDetailsFieldBuilder()
             .addBuilder(
                 index, com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
       }
@@ -4580,22 +4674,22 @@ public Builder removeCandidatesTokensDetails(int index) {
        */
       public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount.Builder>
           getCandidatesTokensDetailsBuilderList() {
-        return getCandidatesTokensDetailsFieldBuilder().getBuilderList();
+        return internalGetCandidatesTokensDetailsFieldBuilder().getBuilderList();
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.cloud.vertexai.api.ModalityTokenCount,
               com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
               com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
-          getCandidatesTokensDetailsFieldBuilder() {
+          internalGetCandidatesTokensDetailsFieldBuilder() {
         if (candidatesTokensDetailsBuilder_ == null) {
           candidatesTokensDetailsBuilder_ =
-              new com.google.protobuf.RepeatedFieldBuilderV3<
+              new com.google.protobuf.RepeatedFieldBuilder<
                   com.google.cloud.vertexai.api.ModalityTokenCount,
                   com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
                   com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>(
                   candidatesTokensDetails_,
-                  ((bitField0_ & 0x00000040) != 0),
+                  ((bitField0_ & 0x00000080) != 0),
                   getParentForChildren(),
                   isClean());
           candidatesTokensDetails_ = null;
@@ -4603,18 +4697,6 @@ public Builder removeCandidatesTokensDetails(int index) {
         return candidatesTokensDetailsBuilder_;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GenerateContentResponse.UsageMetadata)
     }
 
@@ -5063,14 +5145,14 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000004) != 0)) {
       output.writeMessage(4, getUsageMetadata());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(modelVersion_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 11, modelVersion_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modelVersion_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 11, modelVersion_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(12, getCreateTime());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(responseId_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 13, responseId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(responseId_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 13, responseId_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -5090,14 +5172,14 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000004) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getUsageMetadata());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(modelVersion_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(11, modelVersion_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modelVersion_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(11, modelVersion_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(12, getCreateTime());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(responseId_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(13, responseId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(responseId_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(13, responseId_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -5203,38 +5285,38 @@ public static com.google.cloud.vertexai.api.GenerateContentResponse parseFrom(
 
   public static com.google.cloud.vertexai.api.GenerateContentResponse parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GenerateContentResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GenerateContentResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GenerateContentResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GenerateContentResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GenerateContentResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -5258,7 +5340,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -5272,7 +5354,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GenerateContentResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GenerateContentResponse)
       com.google.cloud.vertexai.api.GenerateContentResponseOrBuilder {
@@ -5282,7 +5364,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_GenerateContentResponse_fieldAccessorTable
@@ -5296,17 +5378,17 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getCandidatesFieldBuilder();
-        getCreateTimeFieldBuilder();
-        getPromptFeedbackFieldBuilder();
-        getUsageMetadataFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetCandidatesFieldBuilder();
+        internalGetCreateTimeFieldBuilder();
+        internalGetPromptFeedbackFieldBuilder();
+        internalGetUsageMetadataFieldBuilder();
       }
     }
 
@@ -5412,39 +5494,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.GenerateContentResponse
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.GenerateContentResponse) {
@@ -5477,8 +5526,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.GenerateContentResponse o
             candidates_ = other.candidates_;
             bitField0_ = (bitField0_ & ~0x00000001);
             candidatesBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getCandidatesFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetCandidatesFieldBuilder()
                     : null;
           } else {
             candidatesBuilder_.addAllMessages(other.candidates_);
@@ -5545,13 +5594,15 @@ public Builder mergeFrom(
               } // case 18
             case 26:
               {
-                input.readMessage(getPromptFeedbackFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetPromptFeedbackFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000010;
                 break;
               } // case 26
             case 34:
               {
-                input.readMessage(getUsageMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetUsageMetadataFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000020;
                 break;
               } // case 34
@@ -5563,7 +5614,8 @@ public Builder mergeFrom(
               } // case 90
             case 98:
               {
-                input.readMessage(getCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 98
@@ -5602,7 +5654,7 @@ private void ensureCandidatesIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Candidate,
             com.google.cloud.vertexai.api.Candidate.Builder,
             com.google.cloud.vertexai.api.CandidateOrBuilder>
@@ -5887,7 +5939,7 @@ public Builder removeCandidates(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Candidate.Builder getCandidatesBuilder(int index) {
-      return getCandidatesFieldBuilder().getBuilder(index);
+      return internalGetCandidatesFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -5941,7 +5993,7 @@ public com.google.cloud.vertexai.api.CandidateOrBuilder getCandidatesOrBuilder(i
      * </code>
      */
     public com.google.cloud.vertexai.api.Candidate.Builder addCandidatesBuilder() {
-      return getCandidatesFieldBuilder()
+      return internalGetCandidatesFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Candidate.getDefaultInstance());
     }
 
@@ -5957,7 +6009,7 @@ public com.google.cloud.vertexai.api.Candidate.Builder addCandidatesBuilder() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Candidate.Builder addCandidatesBuilder(int index) {
-      return getCandidatesFieldBuilder()
+      return internalGetCandidatesFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Candidate.getDefaultInstance());
     }
 
@@ -5974,17 +6026,17 @@ public com.google.cloud.vertexai.api.Candidate.Builder addCandidatesBuilder(int
      */
     public java.util.List<com.google.cloud.vertexai.api.Candidate.Builder>
         getCandidatesBuilderList() {
-      return getCandidatesFieldBuilder().getBuilderList();
+      return internalGetCandidatesFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Candidate,
             com.google.cloud.vertexai.api.Candidate.Builder,
             com.google.cloud.vertexai.api.CandidateOrBuilder>
-        getCandidatesFieldBuilder() {
+        internalGetCandidatesFieldBuilder() {
       if (candidatesBuilder_ == null) {
         candidatesBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Candidate,
                 com.google.cloud.vertexai.api.Candidate.Builder,
                 com.google.cloud.vertexai.api.CandidateOrBuilder>(
@@ -6106,7 +6158,7 @@ public Builder setModelVersionBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.protobuf.Timestamp createTime_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
@@ -6265,7 +6317,7 @@ public Builder clearCreateTime() {
     public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getCreateTimeFieldBuilder().getBuilder();
+      return internalGetCreateTimeFieldBuilder().getBuilder();
     }
 
     /**
@@ -6300,14 +6352,14 @@ public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
      * .google.protobuf.Timestamp create_time = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
-        getCreateTimeFieldBuilder() {
+        internalGetCreateTimeFieldBuilder() {
       if (createTimeBuilder_ == null) {
         createTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Timestamp,
                 com.google.protobuf.Timestamp.Builder,
                 com.google.protobuf.TimestampOrBuilder>(
@@ -6434,7 +6486,7 @@ public Builder setResponseIdBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback promptFeedback_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback,
             com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback.Builder,
             com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedbackOrBuilder>
@@ -6616,7 +6668,7 @@ public Builder clearPromptFeedback() {
         getPromptFeedbackBuilder() {
       bitField0_ |= 0x00000010;
       onChanged();
-      return getPromptFeedbackFieldBuilder().getBuilder();
+      return internalGetPromptFeedbackFieldBuilder().getBuilder();
     }
 
     /**
@@ -6657,14 +6709,14 @@ public Builder clearPromptFeedback() {
      * .google.cloud.vertexai.v1.GenerateContentResponse.PromptFeedback prompt_feedback = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback,
             com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback.Builder,
             com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedbackOrBuilder>
-        getPromptFeedbackFieldBuilder() {
+        internalGetPromptFeedbackFieldBuilder() {
       if (promptFeedbackBuilder_ == null) {
         promptFeedbackBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback,
                 com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback.Builder,
                 com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedbackOrBuilder>(
@@ -6675,7 +6727,7 @@ public Builder clearPromptFeedback() {
     }
 
     private com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata usageMetadata_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata,
             com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata.Builder,
             com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadataOrBuilder>
@@ -6835,7 +6887,7 @@ public Builder clearUsageMetadata() {
         getUsageMetadataBuilder() {
       bitField0_ |= 0x00000020;
       onChanged();
-      return getUsageMetadataFieldBuilder().getBuilder();
+      return internalGetUsageMetadataFieldBuilder().getBuilder();
     }
 
     /**
@@ -6870,14 +6922,14 @@ public Builder clearUsageMetadata() {
      * <code>.google.cloud.vertexai.v1.GenerateContentResponse.UsageMetadata usage_metadata = 4;
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata,
             com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata.Builder,
             com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadataOrBuilder>
-        getUsageMetadataFieldBuilder() {
+        internalGetUsageMetadataFieldBuilder() {
       if (usageMetadataBuilder_ == null) {
         usageMetadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata,
                 com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadata.Builder,
                 com.google.cloud.vertexai.api.GenerateContentResponse.UsageMetadataOrBuilder>(
@@ -6887,17 +6939,6 @@ public Builder clearUsageMetadata() {
       return usageMetadataBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GenerateContentResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentResponseOrBuilder.java
index d13b55900838..40e1038c6190 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface GenerateContentResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GenerateContentResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerationConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerationConfig.java
index 197a2eb05810..b0c25961bb42 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerationConfig.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerationConfig.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.GenerationConfig}
  */
-public final class GenerationConfig extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class GenerationConfig extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GenerationConfig)
     GenerationConfigOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "GenerationConfig");
+  }
+
   // Use GenerationConfig.newBuilder() to construct.
-  private GenerationConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private GenerationConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private GenerationConfig() {
     responseMimeType_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new GenerationConfig();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_GenerationConfig_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_GenerationConfig_fieldAccessorTable
@@ -168,32 +174,36 @@ public interface RoutingConfigOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GenerationConfig.RoutingConfig}
    */
-  public static final class RoutingConfig extends com.google.protobuf.GeneratedMessageV3
+  public static final class RoutingConfig extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GenerationConfig.RoutingConfig)
       RoutingConfigOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "RoutingConfig");
+    }
+
     // Use RoutingConfig.newBuilder() to construct.
-    private RoutingConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private RoutingConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
     private RoutingConfig() {}
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new RoutingConfig();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_fieldAccessorTable
@@ -266,14 +276,24 @@ public interface AutoRoutingModeOrBuilder
      *
      * Protobuf type {@code google.cloud.vertexai.v1.GenerationConfig.RoutingConfig.AutoRoutingMode}
      */
-    public static final class AutoRoutingMode extends com.google.protobuf.GeneratedMessageV3
+    public static final class AutoRoutingMode extends com.google.protobuf.GeneratedMessage
         implements
         // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GenerationConfig.RoutingConfig.AutoRoutingMode)
         AutoRoutingModeOrBuilder {
       private static final long serialVersionUID = 0L;
 
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 0,
+            /* suffix= */ "",
+            "AutoRoutingMode");
+      }
+
       // Use AutoRoutingMode.newBuilder() to construct.
-      private AutoRoutingMode(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      private AutoRoutingMode(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
         super(builder);
       }
 
@@ -281,19 +301,13 @@ private AutoRoutingMode() {
         modelRoutingPreference_ = 0;
       }
 
-      @java.lang.Override
-      @SuppressWarnings({"unused"})
-      protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-        return new AutoRoutingMode();
-      }
-
       public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         return com.google.cloud.vertexai.api.ContentProto
             .internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_AutoRoutingMode_descriptor;
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ContentProto
             .internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_AutoRoutingMode_fieldAccessorTable
@@ -357,6 +371,16 @@ public enum ModelRoutingPreference implements com.google.protobuf.ProtocolMessag
         UNRECOGNIZED(-1),
         ;
 
+        static {
+          com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+              com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+              /* major= */ 4,
+              /* minor= */ 33,
+              /* patch= */ 0,
+              /* suffix= */ "",
+              "ModelRoutingPreference");
+        }
+
         /**
          *
          *
@@ -463,7 +487,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
           return getDescriptor();
         }
 
-        public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+        public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
           return com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode
               .getDescriptor()
               .getEnumTypes()
@@ -672,7 +696,7 @@ public int hashCode() {
 
       public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode
           parseFrom(java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode
@@ -680,13 +704,13 @@ public int hashCode() {
               java.io.InputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
             PARSER, input, extensionRegistry);
       }
 
       public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode
           parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode
@@ -694,13 +718,13 @@ public int hashCode() {
               java.io.InputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
             PARSER, input, extensionRegistry);
       }
 
       public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode
           parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode
@@ -708,7 +732,7 @@ public int hashCode() {
               com.google.protobuf.CodedInputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
             PARSER, input, extensionRegistry);
       }
 
@@ -733,7 +757,7 @@ public Builder toBuilder() {
 
       @java.lang.Override
       protected Builder newBuilderForType(
-          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         Builder builder = new Builder(parent);
         return builder;
       }
@@ -751,7 +775,7 @@ protected Builder newBuilderForType(
        * google.cloud.vertexai.v1.GenerationConfig.RoutingConfig.AutoRoutingMode}
        */
       public static final class Builder
-          extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+          extends com.google.protobuf.GeneratedMessage.Builder<Builder>
           implements
           // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GenerationConfig.RoutingConfig.AutoRoutingMode)
           com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingModeOrBuilder {
@@ -761,7 +785,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         }
 
         @java.lang.Override
-        protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
             internalGetFieldAccessorTable() {
           return com.google.cloud.vertexai.api.ContentProto
               .internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_AutoRoutingMode_fieldAccessorTable
@@ -776,7 +800,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         // com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode.newBuilder()
         private Builder() {}
 
-        private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
           super(parent);
         }
 
@@ -836,41 +860,6 @@ private void buildPartial0(
           result.bitField0_ |= to_bitField0_;
         }
 
-        @java.lang.Override
-        public Builder clone() {
-          return super.clone();
-        }
-
-        @java.lang.Override
-        public Builder setField(
-            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-          return super.setField(field, value);
-        }
-
-        @java.lang.Override
-        public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-          return super.clearField(field);
-        }
-
-        @java.lang.Override
-        public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-          return super.clearOneof(oneof);
-        }
-
-        @java.lang.Override
-        public Builder setRepeatedField(
-            com.google.protobuf.Descriptors.FieldDescriptor field,
-            int index,
-            java.lang.Object value) {
-          return super.setRepeatedField(field, index, value);
-        }
-
-        @java.lang.Override
-        public Builder addRepeatedField(
-            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-          return super.addRepeatedField(field, value);
-        }
-
         @java.lang.Override
         public Builder mergeFrom(com.google.protobuf.Message other) {
           if (other
@@ -891,7 +880,7 @@ public Builder mergeFrom(
               == com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode
                   .getDefaultInstance()) return this;
           if (other.hasModelRoutingPreference()) {
-            setModelRoutingPreference(other.getModelRoutingPreference());
+            setModelRoutingPreferenceValue(other.getModelRoutingPreferenceValue());
           }
           this.mergeUnknownFields(other.getUnknownFields());
           onChanged();
@@ -1078,18 +1067,6 @@ public Builder clearModelRoutingPreference() {
           return this;
         }
 
-        @java.lang.Override
-        public final Builder setUnknownFields(
-            final com.google.protobuf.UnknownFieldSet unknownFields) {
-          return super.setUnknownFields(unknownFields);
-        }
-
-        @java.lang.Override
-        public final Builder mergeUnknownFields(
-            final com.google.protobuf.UnknownFieldSet unknownFields) {
-          return super.mergeUnknownFields(unknownFields);
-        }
-
         // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GenerationConfig.RoutingConfig.AutoRoutingMode)
       }
 
@@ -1205,14 +1182,24 @@ public interface ManualRoutingModeOrBuilder
      * Protobuf type {@code
      * google.cloud.vertexai.v1.GenerationConfig.RoutingConfig.ManualRoutingMode}
      */
-    public static final class ManualRoutingMode extends com.google.protobuf.GeneratedMessageV3
+    public static final class ManualRoutingMode extends com.google.protobuf.GeneratedMessage
         implements
         // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GenerationConfig.RoutingConfig.ManualRoutingMode)
         ManualRoutingModeOrBuilder {
       private static final long serialVersionUID = 0L;
 
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 0,
+            /* suffix= */ "",
+            "ManualRoutingMode");
+      }
+
       // Use ManualRoutingMode.newBuilder() to construct.
-      private ManualRoutingMode(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      private ManualRoutingMode(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
         super(builder);
       }
 
@@ -1220,19 +1207,13 @@ private ManualRoutingMode() {
         modelName_ = "";
       }
 
-      @java.lang.Override
-      @SuppressWarnings({"unused"})
-      protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-        return new ManualRoutingMode();
-      }
-
       public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         return com.google.cloud.vertexai.api.ContentProto
             .internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_ManualRoutingMode_descriptor;
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ContentProto
             .internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_ManualRoutingMode_fieldAccessorTable
@@ -1331,7 +1312,7 @@ public final boolean isInitialized() {
       @java.lang.Override
       public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
         if (((bitField0_ & 0x00000001) != 0)) {
-          com.google.protobuf.GeneratedMessageV3.writeString(output, 1, modelName_);
+          com.google.protobuf.GeneratedMessage.writeString(output, 1, modelName_);
         }
         getUnknownFields().writeTo(output);
       }
@@ -1343,7 +1324,7 @@ public int getSerializedSize() {
 
         size = 0;
         if (((bitField0_ & 0x00000001) != 0)) {
-          size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, modelName_);
+          size += com.google.protobuf.GeneratedMessage.computeStringSize(1, modelName_);
         }
         size += getUnknownFields().getSerializedSize();
         memoizedSize = size;
@@ -1427,7 +1408,7 @@ public int hashCode() {
 
       public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode
           parseFrom(java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode
@@ -1435,13 +1416,13 @@ public int hashCode() {
               java.io.InputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
             PARSER, input, extensionRegistry);
       }
 
       public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode
           parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode
@@ -1449,13 +1430,13 @@ public int hashCode() {
               java.io.InputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
             PARSER, input, extensionRegistry);
       }
 
       public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode
           parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode
@@ -1463,7 +1444,7 @@ public int hashCode() {
               com.google.protobuf.CodedInputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
             PARSER, input, extensionRegistry);
       }
 
@@ -1489,7 +1470,7 @@ public Builder toBuilder() {
 
       @java.lang.Override
       protected Builder newBuilderForType(
-          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         Builder builder = new Builder(parent);
         return builder;
       }
@@ -1505,7 +1486,7 @@ protected Builder newBuilderForType(
        * google.cloud.vertexai.v1.GenerationConfig.RoutingConfig.ManualRoutingMode}
        */
       public static final class Builder
-          extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+          extends com.google.protobuf.GeneratedMessage.Builder<Builder>
           implements
           // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GenerationConfig.RoutingConfig.ManualRoutingMode)
           com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingModeOrBuilder {
@@ -1515,7 +1496,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         }
 
         @java.lang.Override
-        protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
             internalGetFieldAccessorTable() {
           return com.google.cloud.vertexai.api.ContentProto
               .internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_ManualRoutingMode_fieldAccessorTable
@@ -1530,7 +1511,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         // com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode.newBuilder()
         private Builder() {}
 
-        private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
           super(parent);
         }
 
@@ -1590,41 +1571,6 @@ private void buildPartial0(
           result.bitField0_ |= to_bitField0_;
         }
 
-        @java.lang.Override
-        public Builder clone() {
-          return super.clone();
-        }
-
-        @java.lang.Override
-        public Builder setField(
-            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-          return super.setField(field, value);
-        }
-
-        @java.lang.Override
-        public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-          return super.clearField(field);
-        }
-
-        @java.lang.Override
-        public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-          return super.clearOneof(oneof);
-        }
-
-        @java.lang.Override
-        public Builder setRepeatedField(
-            com.google.protobuf.Descriptors.FieldDescriptor field,
-            int index,
-            java.lang.Object value) {
-          return super.setRepeatedField(field, index, value);
-        }
-
-        @java.lang.Override
-        public Builder addRepeatedField(
-            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-          return super.addRepeatedField(field, value);
-        }
-
         @java.lang.Override
         public Builder mergeFrom(com.google.protobuf.Message other) {
           if (other
@@ -1832,18 +1778,6 @@ public Builder setModelNameBytes(com.google.protobuf.ByteString value) {
           return this;
         }
 
-        @java.lang.Override
-        public final Builder setUnknownFields(
-            final com.google.protobuf.UnknownFieldSet unknownFields) {
-          return super.setUnknownFields(unknownFields);
-        }
-
-        @java.lang.Override
-        public final Builder mergeUnknownFields(
-            final com.google.protobuf.UnknownFieldSet unknownFields) {
-          return super.mergeUnknownFields(unknownFields);
-        }
-
         // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GenerationConfig.RoutingConfig.ManualRoutingMode)
       }
 
@@ -2221,38 +2155,38 @@ public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig parse
 
     public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -2276,8 +2210,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -2291,8 +2224,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.GenerationConfig.RoutingConfig}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GenerationConfig.RoutingConfig)
         com.google.cloud.vertexai.api.GenerationConfig.RoutingConfigOrBuilder {
@@ -2302,7 +2234,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ContentProto
             .internal_static_google_cloud_vertexai_v1_GenerationConfig_RoutingConfig_fieldAccessorTable
@@ -2314,7 +2246,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // Construct using com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -2383,41 +2315,6 @@ private void buildPartialOneofs(
         }
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig) {
@@ -2476,13 +2373,15 @@ public Builder mergeFrom(
                 break;
               case 10:
                 {
-                  input.readMessage(getAutoModeFieldBuilder().getBuilder(), extensionRegistry);
+                  input.readMessage(
+                      internalGetAutoModeFieldBuilder().getBuilder(), extensionRegistry);
                   routingConfigCase_ = 1;
                   break;
                 } // case 10
               case 18:
                 {
-                  input.readMessage(getManualModeFieldBuilder().getBuilder(), extensionRegistry);
+                  input.readMessage(
+                      internalGetManualModeFieldBuilder().getBuilder(), extensionRegistry);
                   routingConfigCase_ = 2;
                   break;
                 } // case 18
@@ -2519,7 +2418,7 @@ public Builder clearRoutingConfig() {
 
       private int bitField0_;
 
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode,
               com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode.Builder,
               com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingModeOrBuilder>
@@ -2707,7 +2606,7 @@ public Builder clearAutoMode() {
        */
       public com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode.Builder
           getAutoModeBuilder() {
-        return getAutoModeFieldBuilder().getBuilder();
+        return internalGetAutoModeFieldBuilder().getBuilder();
       }
 
       /**
@@ -2747,11 +2646,11 @@ public Builder clearAutoMode() {
        * .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig.AutoRoutingMode auto_mode = 1;
        * </code>
        */
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode,
               com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode.Builder,
               com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingModeOrBuilder>
-          getAutoModeFieldBuilder() {
+          internalGetAutoModeFieldBuilder() {
         if (autoModeBuilder_ == null) {
           if (!(routingConfigCase_ == 1)) {
             routingConfig_ =
@@ -2759,7 +2658,7 @@ public Builder clearAutoMode() {
                     .getDefaultInstance();
           }
           autoModeBuilder_ =
-              new com.google.protobuf.SingleFieldBuilderV3<
+              new com.google.protobuf.SingleFieldBuilder<
                   com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode,
                   com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.AutoRoutingMode
                       .Builder,
@@ -2776,7 +2675,7 @@ public Builder clearAutoMode() {
         return autoModeBuilder_;
       }
 
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode,
               com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode
                   .Builder,
@@ -2966,7 +2865,7 @@ public Builder clearManualMode() {
        */
       public com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode.Builder
           getManualModeBuilder() {
-        return getManualModeFieldBuilder().getBuilder();
+        return internalGetManualModeFieldBuilder().getBuilder();
       }
 
       /**
@@ -3006,13 +2905,13 @@ public Builder clearManualMode() {
        * .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig.ManualRoutingMode manual_mode = 2;
        * </code>
        */
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode,
               com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode
                   .Builder,
               com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig
                   .ManualRoutingModeOrBuilder>
-          getManualModeFieldBuilder() {
+          internalGetManualModeFieldBuilder() {
         if (manualModeBuilder_ == null) {
           if (!(routingConfigCase_ == 2)) {
             routingConfig_ =
@@ -3020,7 +2919,7 @@ public Builder clearManualMode() {
                     .getDefaultInstance();
           }
           manualModeBuilder_ =
-              new com.google.protobuf.SingleFieldBuilderV3<
+              new com.google.protobuf.SingleFieldBuilder<
                   com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode,
                   com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.ManualRoutingMode
                       .Builder,
@@ -3037,18 +2936,6 @@ public Builder clearManualMode() {
         return manualModeBuilder_;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GenerationConfig.RoutingConfig)
     }
 
@@ -3104,825 +2991,1953 @@ public com.google.protobuf.Parser<RoutingConfig> getParserForType() {
     }
   }
 
-  private int bitField0_;
-  public static final int TEMPERATURE_FIELD_NUMBER = 1;
-  private float temperature_ = 0F;
+  public interface ThinkingConfigOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig)
+      com.google.protobuf.MessageOrBuilder {
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Controls the randomness of predictions.
-   * </pre>
-   *
-   * <code>optional float temperature = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return Whether the temperature field is set.
-   */
-  @java.lang.Override
-  public boolean hasTemperature() {
-    return ((bitField0_ & 0x00000001) != 0);
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Indicates whether to include thoughts in the response.
+     * If true, thoughts are returned only when available.
+     * </pre>
+     *
+     * <code>optional bool include_thoughts = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the includeThoughts field is set.
+     */
+    boolean hasIncludeThoughts();
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Controls the randomness of predictions.
-   * </pre>
-   *
-   * <code>optional float temperature = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return The temperature.
-   */
-  @java.lang.Override
-  public float getTemperature() {
-    return temperature_;
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Indicates whether to include thoughts in the response.
+     * If true, thoughts are returned only when available.
+     * </pre>
+     *
+     * <code>optional bool include_thoughts = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The includeThoughts.
+     */
+    boolean getIncludeThoughts();
 
-  public static final int TOP_P_FIELD_NUMBER = 2;
-  private float topP_ = 0F;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Indicates the thinking budget in tokens.
+     * This is only applied when enable_thinking is true.
+     * </pre>
+     *
+     * <code>optional int32 thinking_budget = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the thinkingBudget field is set.
+     */
+    boolean hasThinkingBudget();
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. If specified, nucleus sampling will be used.
-   * </pre>
-   *
-   * <code>optional float top_p = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return Whether the topP field is set.
-   */
-  @java.lang.Override
-  public boolean hasTopP() {
-    return ((bitField0_ & 0x00000002) != 0);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Indicates the thinking budget in tokens.
+     * This is only applied when enable_thinking is true.
+     * </pre>
+     *
+     * <code>optional int32 thinking_budget = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The thinkingBudget.
+     */
+    int getThinkingBudget();
   }
 
   /**
    *
    *
    * <pre>
-   * Optional. If specified, nucleus sampling will be used.
+   * Config for thinking features.
    * </pre>
    *
-   * <code>optional float top_p = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return The topP.
+   * Protobuf type {@code google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig}
    */
-  @java.lang.Override
-  public float getTopP() {
-    return topP_;
-  }
+  public static final class ThinkingConfig extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig)
+      ThinkingConfigOrBuilder {
+    private static final long serialVersionUID = 0L;
 
-  public static final int TOP_K_FIELD_NUMBER = 3;
-  private float topK_ = 0F;
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "ThinkingConfig");
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. If specified, top-k sampling will be used.
-   * </pre>
-   *
-   * <code>optional float top_k = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return Whether the topK field is set.
-   */
-  @java.lang.Override
-  public boolean hasTopK() {
-    return ((bitField0_ & 0x00000004) != 0);
-  }
+    // Use ThinkingConfig.newBuilder() to construct.
+    private ThinkingConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. If specified, top-k sampling will be used.
-   * </pre>
-   *
-   * <code>optional float top_k = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return The topK.
-   */
-  @java.lang.Override
-  public float getTopK() {
-    return topK_;
-  }
+    private ThinkingConfig() {}
 
-  public static final int CANDIDATE_COUNT_FIELD_NUMBER = 4;
-  private int candidateCount_ = 0;
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_GenerationConfig_ThinkingConfig_descriptor;
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Number of candidates to generate.
-   * </pre>
-   *
-   * <code>optional int32 candidate_count = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return Whether the candidateCount field is set.
-   */
-  @java.lang.Override
-  public boolean hasCandidateCount() {
-    return ((bitField0_ & 0x00000008) != 0);
-  }
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_GenerationConfig_ThinkingConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.class,
+              com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.Builder.class);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Number of candidates to generate.
-   * </pre>
-   *
-   * <code>optional int32 candidate_count = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return The candidateCount.
-   */
-  @java.lang.Override
-  public int getCandidateCount() {
-    return candidateCount_;
-  }
+    private int bitField0_;
+    public static final int INCLUDE_THOUGHTS_FIELD_NUMBER = 1;
+    private boolean includeThoughts_ = false;
 
-  public static final int MAX_OUTPUT_TOKENS_FIELD_NUMBER = 5;
-  private int maxOutputTokens_ = 0;
+    /**
+     *
+     *
+     * <pre>
+     * Indicates whether to include thoughts in the response.
+     * If true, thoughts are returned only when available.
+     * </pre>
+     *
+     * <code>optional bool include_thoughts = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the includeThoughts field is set.
+     */
+    @java.lang.Override
+    public boolean hasIncludeThoughts() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. The maximum number of output tokens to generate per message.
-   * </pre>
-   *
-   * <code>optional int32 max_output_tokens = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return Whether the maxOutputTokens field is set.
-   */
-  @java.lang.Override
-  public boolean hasMaxOutputTokens() {
-    return ((bitField0_ & 0x00000010) != 0);
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Indicates whether to include thoughts in the response.
+     * If true, thoughts are returned only when available.
+     * </pre>
+     *
+     * <code>optional bool include_thoughts = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The includeThoughts.
+     */
+    @java.lang.Override
+    public boolean getIncludeThoughts() {
+      return includeThoughts_;
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. The maximum number of output tokens to generate per message.
-   * </pre>
-   *
-   * <code>optional int32 max_output_tokens = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return The maxOutputTokens.
-   */
-  @java.lang.Override
-  public int getMaxOutputTokens() {
-    return maxOutputTokens_;
-  }
+    public static final int THINKING_BUDGET_FIELD_NUMBER = 3;
+    private int thinkingBudget_ = 0;
 
-  public static final int STOP_SEQUENCES_FIELD_NUMBER = 6;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Indicates the thinking budget in tokens.
+     * This is only applied when enable_thinking is true.
+     * </pre>
+     *
+     * <code>optional int32 thinking_budget = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the thinkingBudget field is set.
+     */
+    @java.lang.Override
+    public boolean hasThinkingBudget() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
 
-  @SuppressWarnings("serial")
-  private com.google.protobuf.LazyStringArrayList stopSequences_ =
-      com.google.protobuf.LazyStringArrayList.emptyList();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Indicates the thinking budget in tokens.
+     * This is only applied when enable_thinking is true.
+     * </pre>
+     *
+     * <code>optional int32 thinking_budget = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The thinkingBudget.
+     */
+    @java.lang.Override
+    public int getThinkingBudget() {
+      return thinkingBudget_;
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Stop sequences.
-   * </pre>
-   *
-   * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return A list containing the stopSequences.
-   */
-  public com.google.protobuf.ProtocolStringList getStopSequencesList() {
-    return stopSequences_;
-  }
+    private byte memoizedIsInitialized = -1;
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Stop sequences.
-   * </pre>
-   *
-   * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return The count of stopSequences.
-   */
-  public int getStopSequencesCount() {
-    return stopSequences_.size();
-  }
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Stop sequences.
-   * </pre>
-   *
-   * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @param index The index of the element to return.
-   * @return The stopSequences at the given index.
-   */
-  public java.lang.String getStopSequences(int index) {
-    return stopSequences_.get(index);
-  }
+      memoizedIsInitialized = 1;
+      return true;
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Stop sequences.
-   * </pre>
-   *
-   * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @param index The index of the value to return.
-   * @return The bytes of the stopSequences at the given index.
-   */
-  public com.google.protobuf.ByteString getStopSequencesBytes(int index) {
-    return stopSequences_.getByteString(index);
-  }
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (((bitField0_ & 0x00000001) != 0)) {
+        output.writeBool(1, includeThoughts_);
+      }
+      if (((bitField0_ & 0x00000002) != 0)) {
+        output.writeInt32(3, thinkingBudget_);
+      }
+      getUnknownFields().writeTo(output);
+    }
 
-  public static final int RESPONSE_LOGPROBS_FIELD_NUMBER = 18;
-  private boolean responseLogprobs_ = false;
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. If true, export the logprobs results in response.
-   * </pre>
-   *
-   * <code>optional bool response_logprobs = 18 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return Whether the responseLogprobs field is set.
-   */
-  @java.lang.Override
-  public boolean hasResponseLogprobs() {
-    return ((bitField0_ & 0x00000020) != 0);
-  }
+      size = 0;
+      if (((bitField0_ & 0x00000001) != 0)) {
+        size += com.google.protobuf.CodedOutputStream.computeBoolSize(1, includeThoughts_);
+      }
+      if (((bitField0_ & 0x00000002) != 0)) {
+        size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, thinkingBudget_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. If true, export the logprobs results in response.
-   * </pre>
-   *
-   * <code>optional bool response_logprobs = 18 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return The responseLogprobs.
-   */
-  @java.lang.Override
-  public boolean getResponseLogprobs() {
-    return responseLogprobs_;
-  }
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig other =
+          (com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig) obj;
 
-  public static final int LOGPROBS_FIELD_NUMBER = 7;
-  private int logprobs_ = 0;
+      if (hasIncludeThoughts() != other.hasIncludeThoughts()) return false;
+      if (hasIncludeThoughts()) {
+        if (getIncludeThoughts() != other.getIncludeThoughts()) return false;
+      }
+      if (hasThinkingBudget() != other.hasThinkingBudget()) return false;
+      if (hasThinkingBudget()) {
+        if (getThinkingBudget() != other.getThinkingBudget()) return false;
+      }
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Logit probabilities.
-   * </pre>
-   *
-   * <code>optional int32 logprobs = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return Whether the logprobs field is set.
-   */
-  @java.lang.Override
-  public boolean hasLogprobs() {
-    return ((bitField0_ & 0x00000040) != 0);
-  }
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      if (hasIncludeThoughts()) {
+        hash = (37 * hash) + INCLUDE_THOUGHTS_FIELD_NUMBER;
+        hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getIncludeThoughts());
+      }
+      if (hasThinkingBudget()) {
+        hash = (37 * hash) + THINKING_BUDGET_FIELD_NUMBER;
+        hash = (53 * hash) + getThinkingBudget();
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Logit probabilities.
-   * </pre>
-   *
-   * <code>optional int32 logprobs = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return The logprobs.
-   */
-  @java.lang.Override
-  public int getLogprobs() {
-    return logprobs_;
-  }
+    public static com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
 
-  public static final int PRESENCE_PENALTY_FIELD_NUMBER = 8;
-  private float presencePenalty_ = 0F;
+    public static com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Positive penalties.
-   * </pre>
-   *
-   * <code>optional float presence_penalty = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return Whether the presencePenalty field is set.
-   */
-  @java.lang.Override
-  public boolean hasPresencePenalty() {
-    return ((bitField0_ & 0x00000080) != 0);
-  }
+    public static com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Positive penalties.
-   * </pre>
-   *
-   * <code>optional float presence_penalty = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return The presencePenalty.
-   */
-  @java.lang.Override
-  public float getPresencePenalty() {
-    return presencePenalty_;
-  }
+    public static com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
 
-  public static final int FREQUENCY_PENALTY_FIELD_NUMBER = 9;
-  private float frequencyPenalty_ = 0F;
+    public static com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Frequency penalties.
-   * </pre>
-   *
-   * <code>optional float frequency_penalty = 9 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return Whether the frequencyPenalty field is set.
-   */
-  @java.lang.Override
-  public boolean hasFrequencyPenalty() {
-    return ((bitField0_ & 0x00000100) != 0);
-  }
+    public static com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Frequency penalties.
-   * </pre>
-   *
-   * <code>optional float frequency_penalty = 9 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return The frequencyPenalty.
-   */
-  @java.lang.Override
-  public float getFrequencyPenalty() {
-    return frequencyPenalty_;
-  }
+    public static com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
 
-  public static final int SEED_FIELD_NUMBER = 12;
-  private int seed_ = 0;
+    public static com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Seed.
-   * </pre>
-   *
-   * <code>optional int32 seed = 12 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return Whether the seed field is set.
-   */
-  @java.lang.Override
-  public boolean hasSeed() {
-    return ((bitField0_ & 0x00000200) != 0);
-  }
+    public static com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Seed.
-   * </pre>
-   *
-   * <code>optional int32 seed = 12 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return The seed.
-   */
-  @java.lang.Override
-  public int getSeed() {
-    return seed_;
-  }
+    public static com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig parseDelimitedFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
 
-  public static final int RESPONSE_MIME_TYPE_FIELD_NUMBER = 13;
+    public static com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
 
-  @SuppressWarnings("serial")
-  private volatile java.lang.Object responseMimeType_ = "";
+    public static com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Output response mimetype of the generated candidate text.
-   * Supported mimetype:
-   * - `text/plain`: (default) Text output.
-   * - `application/json`: JSON response in the candidates.
-   * The model needs to be prompted to output the appropriate response type,
-   * otherwise the behavior is undefined.
-   * This is a preview feature.
-   * </pre>
-   *
-   * <code>string response_mime_type = 13 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return The responseMimeType.
-   */
-  @java.lang.Override
-  public java.lang.String getResponseMimeType() {
-    java.lang.Object ref = responseMimeType_;
-    if (ref instanceof java.lang.String) {
-      return (java.lang.String) ref;
-    } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-      java.lang.String s = bs.toStringUtf8();
-      responseMimeType_ = s;
-      return s;
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
     }
-  }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Output response mimetype of the generated candidate text.
-   * Supported mimetype:
-   * - `text/plain`: (default) Text output.
-   * - `application/json`: JSON response in the candidates.
-   * The model needs to be prompted to output the appropriate response type,
-   * otherwise the behavior is undefined.
-   * This is a preview feature.
-   * </pre>
-   *
-   * <code>string response_mime_type = 13 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return The bytes for responseMimeType.
-   */
-  @java.lang.Override
-  public com.google.protobuf.ByteString getResponseMimeTypeBytes() {
-    java.lang.Object ref = responseMimeType_;
-    if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-      responseMimeType_ = b;
-      return b;
-    } else {
-      return (com.google.protobuf.ByteString) ref;
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
     }
-  }
 
-  public static final int RESPONSE_SCHEMA_FIELD_NUMBER = 16;
-  private com.google.cloud.vertexai.api.Schema responseSchema_;
+    public static Builder newBuilder(
+        com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. The `Schema` object allows the definition of input and output
-   * data types. These types can be objects, but also primitives and arrays.
-   * Represents a select subset of an [OpenAPI 3.0 schema
-   * object](https://spec.openapis.org/oas/v3.0.3#schema).
-   * If set, a compatible response_mime_type must also be set.
-   * Compatible mimetypes:
-   * `application/json`: Schema for JSON response.
-   * </pre>
-   *
-   * <code>
-   * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return Whether the responseSchema field is set.
-   */
-  @java.lang.Override
-  public boolean hasResponseSchema() {
-    return ((bitField0_ & 0x00000400) != 0);
-  }
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. The `Schema` object allows the definition of input and output
-   * data types. These types can be objects, but also primitives and arrays.
-   * Represents a select subset of an [OpenAPI 3.0 schema
-   * object](https://spec.openapis.org/oas/v3.0.3#schema).
-   * If set, a compatible response_mime_type must also be set.
-   * Compatible mimetypes:
-   * `application/json`: Schema for JSON response.
-   * </pre>
-   *
-   * <code>
-   * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return The responseSchema.
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.Schema getResponseSchema() {
-    return responseSchema_ == null
-        ? com.google.cloud.vertexai.api.Schema.getDefaultInstance()
-        : responseSchema_;
-  }
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. The `Schema` object allows the definition of input and output
-   * data types. These types can be objects, but also primitives and arrays.
-   * Represents a select subset of an [OpenAPI 3.0 schema
-   * object](https://spec.openapis.org/oas/v3.0.3#schema).
-   * If set, a compatible response_mime_type must also be set.
-   * Compatible mimetypes:
-   * `application/json`: Schema for JSON response.
-   * </pre>
-   *
-   * <code>
-   * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.SchemaOrBuilder getResponseSchemaOrBuilder() {
-    return responseSchema_ == null
-        ? com.google.cloud.vertexai.api.Schema.getDefaultInstance()
-        : responseSchema_;
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Config for thinking features.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig)
+        com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfigOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.ContentProto
+            .internal_static_google_cloud_vertexai_v1_GenerationConfig_ThinkingConfig_descriptor;
+      }
 
-  public static final int ROUTING_CONFIG_FIELD_NUMBER = 17;
-  private com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig routingConfig_;
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.vertexai.api.ContentProto
+            .internal_static_google_cloud_vertexai_v1_GenerationConfig_ThinkingConfig_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.class,
+                com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.Builder.class);
+      }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Routing configuration.
-   * </pre>
-   *
-   * <code>
-   * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return Whether the routingConfig field is set.
-   */
-  @java.lang.Override
-  public boolean hasRoutingConfig() {
-    return ((bitField0_ & 0x00000800) != 0);
-  }
+      // Construct using com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.newBuilder()
+      private Builder() {}
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Routing configuration.
-   * </pre>
-   *
-   * <code>
-   * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return The routingConfig.
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig getRoutingConfig() {
-    return routingConfig_ == null
-        ? com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.getDefaultInstance()
-        : routingConfig_;
-  }
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Routing configuration.
-   * </pre>
-   *
-   * <code>
-   * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.GenerationConfig.RoutingConfigOrBuilder
-      getRoutingConfigOrBuilder() {
-    return routingConfig_ == null
-        ? com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.getDefaultInstance()
-        : routingConfig_;
-  }
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        includeThoughts_ = false;
+        thinkingBudget_ = 0;
+        return this;
+      }
 
-  private byte memoizedIsInitialized = -1;
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.vertexai.api.ContentProto
+            .internal_static_google_cloud_vertexai_v1_GenerationConfig_ThinkingConfig_descriptor;
+      }
 
-  @java.lang.Override
-  public final boolean isInitialized() {
-    byte isInitialized = memoizedIsInitialized;
-    if (isInitialized == 1) return true;
-    if (isInitialized == 0) return false;
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig
+          getDefaultInstanceForType() {
+        return com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.getDefaultInstance();
+      }
 
-    memoizedIsInitialized = 1;
-    return true;
-  }
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig build() {
+        com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
 
-  @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (((bitField0_ & 0x00000001) != 0)) {
-      output.writeFloat(1, temperature_);
-    }
-    if (((bitField0_ & 0x00000002) != 0)) {
-      output.writeFloat(2, topP_);
-    }
-    if (((bitField0_ & 0x00000004) != 0)) {
-      output.writeFloat(3, topK_);
-    }
-    if (((bitField0_ & 0x00000008) != 0)) {
-      output.writeInt32(4, candidateCount_);
-    }
-    if (((bitField0_ & 0x00000010) != 0)) {
-      output.writeInt32(5, maxOutputTokens_);
-    }
-    for (int i = 0; i < stopSequences_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 6, stopSequences_.getRaw(i));
-    }
-    if (((bitField0_ & 0x00000040) != 0)) {
-      output.writeInt32(7, logprobs_);
-    }
-    if (((bitField0_ & 0x00000080) != 0)) {
-      output.writeFloat(8, presencePenalty_);
-    }
-    if (((bitField0_ & 0x00000100) != 0)) {
-      output.writeFloat(9, frequencyPenalty_);
-    }
-    if (((bitField0_ & 0x00000200) != 0)) {
-      output.writeInt32(12, seed_);
-    }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(responseMimeType_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 13, responseMimeType_);
-    }
-    if (((bitField0_ & 0x00000400) != 0)) {
-      output.writeMessage(16, getResponseSchema());
-    }
-    if (((bitField0_ & 0x00000800) != 0)) {
-      output.writeMessage(17, getRoutingConfig());
-    }
-    if (((bitField0_ & 0x00000020) != 0)) {
-      output.writeBool(18, responseLogprobs_);
-    }
-    getUnknownFields().writeTo(output);
-  }
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig buildPartial() {
+        com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig result =
+            new com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
 
-  @java.lang.Override
-  public int getSerializedSize() {
-    int size = memoizedSize;
-    if (size != -1) return size;
+      private void buildPartial0(
+          com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig result) {
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.includeThoughts_ = includeThoughts_;
+          to_bitField0_ |= 0x00000001;
+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.thinkingBudget_ = thinkingBudget_;
+          to_bitField0_ |= 0x00000002;
+        }
+        result.bitField0_ |= to_bitField0_;
+      }
 
-    size = 0;
-    if (((bitField0_ & 0x00000001) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeFloatSize(1, temperature_);
-    }
-    if (((bitField0_ & 0x00000002) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeFloatSize(2, topP_);
-    }
-    if (((bitField0_ & 0x00000004) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeFloatSize(3, topK_);
-    }
-    if (((bitField0_ & 0x00000008) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(4, candidateCount_);
-    }
-    if (((bitField0_ & 0x00000010) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(5, maxOutputTokens_);
-    }
-    {
-      int dataSize = 0;
-      for (int i = 0; i < stopSequences_.size(); i++) {
-        dataSize += computeStringSizeNoTag(stopSequences_.getRaw(i));
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig) {
+          return mergeFrom((com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
       }
-      size += dataSize;
-      size += 1 * getStopSequencesList().size();
-    }
-    if (((bitField0_ & 0x00000040) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(7, logprobs_);
-    }
-    if (((bitField0_ & 0x00000080) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeFloatSize(8, presencePenalty_);
-    }
-    if (((bitField0_ & 0x00000100) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeFloatSize(9, frequencyPenalty_);
-    }
-    if (((bitField0_ & 0x00000200) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(12, seed_);
-    }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(responseMimeType_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(13, responseMimeType_);
-    }
-    if (((bitField0_ & 0x00000400) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(16, getResponseSchema());
-    }
-    if (((bitField0_ & 0x00000800) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(17, getRoutingConfig());
-    }
-    if (((bitField0_ & 0x00000020) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeBoolSize(18, responseLogprobs_);
-    }
-    size += getUnknownFields().getSerializedSize();
-    memoizedSize = size;
-    return size;
-  }
 
-  @java.lang.Override
-  public boolean equals(final java.lang.Object obj) {
-    if (obj == this) {
-      return true;
-    }
-    if (!(obj instanceof com.google.cloud.vertexai.api.GenerationConfig)) {
-      return super.equals(obj);
-    }
-    com.google.cloud.vertexai.api.GenerationConfig other =
-        (com.google.cloud.vertexai.api.GenerationConfig) obj;
+      public Builder mergeFrom(
+          com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig other) {
+        if (other
+            == com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.getDefaultInstance())
+          return this;
+        if (other.hasIncludeThoughts()) {
+          setIncludeThoughts(other.getIncludeThoughts());
+        }
+        if (other.hasThinkingBudget()) {
+          setThinkingBudget(other.getThinkingBudget());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
 
-    if (hasTemperature() != other.hasTemperature()) return false;
-    if (hasTemperature()) {
-      if (java.lang.Float.floatToIntBits(getTemperature())
-          != java.lang.Float.floatToIntBits(other.getTemperature())) return false;
-    }
-    if (hasTopP() != other.hasTopP()) return false;
-    if (hasTopP()) {
-      if (java.lang.Float.floatToIntBits(getTopP())
-          != java.lang.Float.floatToIntBits(other.getTopP())) return false;
-    }
-    if (hasTopK() != other.hasTopK()) return false;
-    if (hasTopK()) {
-      if (java.lang.Float.floatToIntBits(getTopK())
-          != java.lang.Float.floatToIntBits(other.getTopK())) return false;
-    }
-    if (hasCandidateCount() != other.hasCandidateCount()) return false;
-    if (hasCandidateCount()) {
-      if (getCandidateCount() != other.getCandidateCount()) return false;
-    }
-    if (hasMaxOutputTokens() != other.hasMaxOutputTokens()) return false;
-    if (hasMaxOutputTokens()) {
-      if (getMaxOutputTokens() != other.getMaxOutputTokens()) return false;
-    }
-    if (!getStopSequencesList().equals(other.getStopSequencesList())) return false;
-    if (hasResponseLogprobs() != other.hasResponseLogprobs()) return false;
-    if (hasResponseLogprobs()) {
-      if (getResponseLogprobs() != other.getResponseLogprobs()) return false;
-    }
-    if (hasLogprobs() != other.hasLogprobs()) return false;
-    if (hasLogprobs()) {
-      if (getLogprobs() != other.getLogprobs()) return false;
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 8:
+                {
+                  includeThoughts_ = input.readBool();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 8
+              case 24:
+                {
+                  thinkingBudget_ = input.readInt32();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 24
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private boolean includeThoughts_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Indicates whether to include thoughts in the response.
+       * If true, thoughts are returned only when available.
+       * </pre>
+       *
+       * <code>optional bool include_thoughts = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return Whether the includeThoughts field is set.
+       */
+      @java.lang.Override
+      public boolean hasIncludeThoughts() {
+        return ((bitField0_ & 0x00000001) != 0);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Indicates whether to include thoughts in the response.
+       * If true, thoughts are returned only when available.
+       * </pre>
+       *
+       * <code>optional bool include_thoughts = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The includeThoughts.
+       */
+      @java.lang.Override
+      public boolean getIncludeThoughts() {
+        return includeThoughts_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Indicates whether to include thoughts in the response.
+       * If true, thoughts are returned only when available.
+       * </pre>
+       *
+       * <code>optional bool include_thoughts = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The includeThoughts to set.
+       * @return This builder for chaining.
+       */
+      public Builder setIncludeThoughts(boolean value) {
+
+        includeThoughts_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Indicates whether to include thoughts in the response.
+       * If true, thoughts are returned only when available.
+       * </pre>
+       *
+       * <code>optional bool include_thoughts = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearIncludeThoughts() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        includeThoughts_ = false;
+        onChanged();
+        return this;
+      }
+
+      private int thinkingBudget_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Indicates the thinking budget in tokens.
+       * This is only applied when enable_thinking is true.
+       * </pre>
+       *
+       * <code>optional int32 thinking_budget = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return Whether the thinkingBudget field is set.
+       */
+      @java.lang.Override
+      public boolean hasThinkingBudget() {
+        return ((bitField0_ & 0x00000002) != 0);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Indicates the thinking budget in tokens.
+       * This is only applied when enable_thinking is true.
+       * </pre>
+       *
+       * <code>optional int32 thinking_budget = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The thinkingBudget.
+       */
+      @java.lang.Override
+      public int getThinkingBudget() {
+        return thinkingBudget_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Indicates the thinking budget in tokens.
+       * This is only applied when enable_thinking is true.
+       * </pre>
+       *
+       * <code>optional int32 thinking_budget = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The thinkingBudget to set.
+       * @return This builder for chaining.
+       */
+      public Builder setThinkingBudget(int value) {
+
+        thinkingBudget_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Indicates the thinking budget in tokens.
+       * This is only applied when enable_thinking is true.
+       * </pre>
+       *
+       * <code>optional int32 thinking_budget = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearThinkingBudget() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        thinkingBudget_ = 0;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig)
     }
-    if (hasPresencePenalty() != other.hasPresencePenalty()) return false;
-    if (hasPresencePenalty()) {
-      if (java.lang.Float.floatToIntBits(getPresencePenalty())
-          != java.lang.Float.floatToIntBits(other.getPresencePenalty())) return false;
+
+    // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig)
+    private static final com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig();
     }
-    if (hasFrequencyPenalty() != other.hasFrequencyPenalty()) return false;
-    if (hasFrequencyPenalty()) {
-      if (java.lang.Float.floatToIntBits(getFrequencyPenalty())
-          != java.lang.Float.floatToIntBits(other.getFrequencyPenalty())) return false;
+
+    public static com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
     }
-    if (hasSeed() != other.hasSeed()) return false;
-    if (hasSeed()) {
-      if (getSeed() != other.getSeed()) return false;
+
+    private static final com.google.protobuf.Parser<ThinkingConfig> PARSER =
+        new com.google.protobuf.AbstractParser<ThinkingConfig>() {
+          @java.lang.Override
+          public ThinkingConfig parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<ThinkingConfig> parser() {
+      return PARSER;
     }
-    if (!getResponseMimeType().equals(other.getResponseMimeType())) return false;
-    if (hasResponseSchema() != other.hasResponseSchema()) return false;
-    if (hasResponseSchema()) {
-      if (!getResponseSchema().equals(other.getResponseSchema())) return false;
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<ThinkingConfig> getParserForType() {
+      return PARSER;
     }
-    if (hasRoutingConfig() != other.hasRoutingConfig()) return false;
-    if (hasRoutingConfig()) {
-      if (!getRoutingConfig().equals(other.getRoutingConfig())) return false;
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
     }
-    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
-    return true;
   }
 
-  @java.lang.Override
-  public int hashCode() {
-    if (memoizedHashCode != 0) {
-      return memoizedHashCode;
-    }
-    int hash = 41;
-    hash = (19 * hash) + getDescriptor().hashCode();
-    if (hasTemperature()) {
-      hash = (37 * hash) + TEMPERATURE_FIELD_NUMBER;
-      hash = (53 * hash) + java.lang.Float.floatToIntBits(getTemperature());
-    }
+  private int bitField0_;
+  public static final int TEMPERATURE_FIELD_NUMBER = 1;
+  private float temperature_ = 0F;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Controls the randomness of predictions.
+   * </pre>
+   *
+   * <code>optional float temperature = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the temperature field is set.
+   */
+  @java.lang.Override
+  public boolean hasTemperature() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Controls the randomness of predictions.
+   * </pre>
+   *
+   * <code>optional float temperature = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The temperature.
+   */
+  @java.lang.Override
+  public float getTemperature() {
+    return temperature_;
+  }
+
+  public static final int TOP_P_FIELD_NUMBER = 2;
+  private float topP_ = 0F;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. If specified, nucleus sampling will be used.
+   * </pre>
+   *
+   * <code>optional float top_p = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the topP field is set.
+   */
+  @java.lang.Override
+  public boolean hasTopP() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. If specified, nucleus sampling will be used.
+   * </pre>
+   *
+   * <code>optional float top_p = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The topP.
+   */
+  @java.lang.Override
+  public float getTopP() {
+    return topP_;
+  }
+
+  public static final int TOP_K_FIELD_NUMBER = 3;
+  private float topK_ = 0F;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. If specified, top-k sampling will be used.
+   * </pre>
+   *
+   * <code>optional float top_k = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the topK field is set.
+   */
+  @java.lang.Override
+  public boolean hasTopK() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. If specified, top-k sampling will be used.
+   * </pre>
+   *
+   * <code>optional float top_k = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The topK.
+   */
+  @java.lang.Override
+  public float getTopK() {
+    return topK_;
+  }
+
+  public static final int CANDIDATE_COUNT_FIELD_NUMBER = 4;
+  private int candidateCount_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Number of candidates to generate.
+   * </pre>
+   *
+   * <code>optional int32 candidate_count = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the candidateCount field is set.
+   */
+  @java.lang.Override
+  public boolean hasCandidateCount() {
+    return ((bitField0_ & 0x00000008) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Number of candidates to generate.
+   * </pre>
+   *
+   * <code>optional int32 candidate_count = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The candidateCount.
+   */
+  @java.lang.Override
+  public int getCandidateCount() {
+    return candidateCount_;
+  }
+
+  public static final int MAX_OUTPUT_TOKENS_FIELD_NUMBER = 5;
+  private int maxOutputTokens_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The maximum number of output tokens to generate per message.
+   * </pre>
+   *
+   * <code>optional int32 max_output_tokens = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the maxOutputTokens field is set.
+   */
+  @java.lang.Override
+  public boolean hasMaxOutputTokens() {
+    return ((bitField0_ & 0x00000010) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The maximum number of output tokens to generate per message.
+   * </pre>
+   *
+   * <code>optional int32 max_output_tokens = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The maxOutputTokens.
+   */
+  @java.lang.Override
+  public int getMaxOutputTokens() {
+    return maxOutputTokens_;
+  }
+
+  public static final int STOP_SEQUENCES_FIELD_NUMBER = 6;
+
+  @SuppressWarnings("serial")
+  private com.google.protobuf.LazyStringArrayList stopSequences_ =
+      com.google.protobuf.LazyStringArrayList.emptyList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Stop sequences.
+   * </pre>
+   *
+   * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return A list containing the stopSequences.
+   */
+  public com.google.protobuf.ProtocolStringList getStopSequencesList() {
+    return stopSequences_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Stop sequences.
+   * </pre>
+   *
+   * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The count of stopSequences.
+   */
+  public int getStopSequencesCount() {
+    return stopSequences_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Stop sequences.
+   * </pre>
+   *
+   * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @param index The index of the element to return.
+   * @return The stopSequences at the given index.
+   */
+  public java.lang.String getStopSequences(int index) {
+    return stopSequences_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Stop sequences.
+   * </pre>
+   *
+   * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @param index The index of the value to return.
+   * @return The bytes of the stopSequences at the given index.
+   */
+  public com.google.protobuf.ByteString getStopSequencesBytes(int index) {
+    return stopSequences_.getByteString(index);
+  }
+
+  public static final int RESPONSE_LOGPROBS_FIELD_NUMBER = 18;
+  private boolean responseLogprobs_ = false;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. If true, export the logprobs results in response.
+   * </pre>
+   *
+   * <code>optional bool response_logprobs = 18 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the responseLogprobs field is set.
+   */
+  @java.lang.Override
+  public boolean hasResponseLogprobs() {
+    return ((bitField0_ & 0x00000020) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. If true, export the logprobs results in response.
+   * </pre>
+   *
+   * <code>optional bool response_logprobs = 18 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The responseLogprobs.
+   */
+  @java.lang.Override
+  public boolean getResponseLogprobs() {
+    return responseLogprobs_;
+  }
+
+  public static final int LOGPROBS_FIELD_NUMBER = 7;
+  private int logprobs_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Logit probabilities.
+   * </pre>
+   *
+   * <code>optional int32 logprobs = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the logprobs field is set.
+   */
+  @java.lang.Override
+  public boolean hasLogprobs() {
+    return ((bitField0_ & 0x00000040) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Logit probabilities.
+   * </pre>
+   *
+   * <code>optional int32 logprobs = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The logprobs.
+   */
+  @java.lang.Override
+  public int getLogprobs() {
+    return logprobs_;
+  }
+
+  public static final int PRESENCE_PENALTY_FIELD_NUMBER = 8;
+  private float presencePenalty_ = 0F;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Positive penalties.
+   * </pre>
+   *
+   * <code>optional float presence_penalty = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the presencePenalty field is set.
+   */
+  @java.lang.Override
+  public boolean hasPresencePenalty() {
+    return ((bitField0_ & 0x00000080) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Positive penalties.
+   * </pre>
+   *
+   * <code>optional float presence_penalty = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The presencePenalty.
+   */
+  @java.lang.Override
+  public float getPresencePenalty() {
+    return presencePenalty_;
+  }
+
+  public static final int FREQUENCY_PENALTY_FIELD_NUMBER = 9;
+  private float frequencyPenalty_ = 0F;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Frequency penalties.
+   * </pre>
+   *
+   * <code>optional float frequency_penalty = 9 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the frequencyPenalty field is set.
+   */
+  @java.lang.Override
+  public boolean hasFrequencyPenalty() {
+    return ((bitField0_ & 0x00000100) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Frequency penalties.
+   * </pre>
+   *
+   * <code>optional float frequency_penalty = 9 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The frequencyPenalty.
+   */
+  @java.lang.Override
+  public float getFrequencyPenalty() {
+    return frequencyPenalty_;
+  }
+
+  public static final int SEED_FIELD_NUMBER = 12;
+  private int seed_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Seed.
+   * </pre>
+   *
+   * <code>optional int32 seed = 12 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the seed field is set.
+   */
+  @java.lang.Override
+  public boolean hasSeed() {
+    return ((bitField0_ & 0x00000200) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Seed.
+   * </pre>
+   *
+   * <code>optional int32 seed = 12 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The seed.
+   */
+  @java.lang.Override
+  public int getSeed() {
+    return seed_;
+  }
+
+  public static final int RESPONSE_MIME_TYPE_FIELD_NUMBER = 13;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object responseMimeType_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output response mimetype of the generated candidate text.
+   * Supported mimetype:
+   * - `text/plain`: (default) Text output.
+   * - `application/json`: JSON response in the candidates.
+   * The model needs to be prompted to output the appropriate response type,
+   * otherwise the behavior is undefined.
+   * This is a preview feature.
+   * </pre>
+   *
+   * <code>string response_mime_type = 13 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The responseMimeType.
+   */
+  @java.lang.Override
+  public java.lang.String getResponseMimeType() {
+    java.lang.Object ref = responseMimeType_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      responseMimeType_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output response mimetype of the generated candidate text.
+   * Supported mimetype:
+   * - `text/plain`: (default) Text output.
+   * - `application/json`: JSON response in the candidates.
+   * The model needs to be prompted to output the appropriate response type,
+   * otherwise the behavior is undefined.
+   * This is a preview feature.
+   * </pre>
+   *
+   * <code>string response_mime_type = 13 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for responseMimeType.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getResponseMimeTypeBytes() {
+    java.lang.Object ref = responseMimeType_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      responseMimeType_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int RESPONSE_SCHEMA_FIELD_NUMBER = 16;
+  private com.google.cloud.vertexai.api.Schema responseSchema_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The `Schema` object allows the definition of input and output
+   * data types. These types can be objects, but also primitives and arrays.
+   * Represents a select subset of an [OpenAPI 3.0 schema
+   * object](https://spec.openapis.org/oas/v3.0.3#schema).
+   * If set, a compatible response_mime_type must also be set.
+   * Compatible mimetypes:
+   * `application/json`: Schema for JSON response.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the responseSchema field is set.
+   */
+  @java.lang.Override
+  public boolean hasResponseSchema() {
+    return ((bitField0_ & 0x00000400) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The `Schema` object allows the definition of input and output
+   * data types. These types can be objects, but also primitives and arrays.
+   * Represents a select subset of an [OpenAPI 3.0 schema
+   * object](https://spec.openapis.org/oas/v3.0.3#schema).
+   * If set, a compatible response_mime_type must also be set.
+   * Compatible mimetypes:
+   * `application/json`: Schema for JSON response.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The responseSchema.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.Schema getResponseSchema() {
+    return responseSchema_ == null
+        ? com.google.cloud.vertexai.api.Schema.getDefaultInstance()
+        : responseSchema_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The `Schema` object allows the definition of input and output
+   * data types. These types can be objects, but also primitives and arrays.
+   * Represents a select subset of an [OpenAPI 3.0 schema
+   * object](https://spec.openapis.org/oas/v3.0.3#schema).
+   * If set, a compatible response_mime_type must also be set.
+   * Compatible mimetypes:
+   * `application/json`: Schema for JSON response.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SchemaOrBuilder getResponseSchemaOrBuilder() {
+    return responseSchema_ == null
+        ? com.google.cloud.vertexai.api.Schema.getDefaultInstance()
+        : responseSchema_;
+  }
+
+  public static final int RESPONSE_JSON_SCHEMA_FIELD_NUMBER = 28;
+  private com.google.protobuf.Value responseJsonSchema_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output schema of the generated response. This is an alternative
+   * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+   *
+   * If set, `response_schema` must be omitted, but `response_mime_type` is
+   * required.
+   *
+   * While the full JSON Schema may be sent, not all features are supported.
+   * Specifically, only the following properties are supported:
+   *
+   * - `$id`
+   * - `$defs`
+   * - `$ref`
+   * - `$anchor`
+   * - `type`
+   * - `format`
+   * - `title`
+   * - `description`
+   * - `enum` (for strings and numbers)
+   * - `items`
+   * - `prefixItems`
+   * - `minItems`
+   * - `maxItems`
+   * - `minimum`
+   * - `maximum`
+   * - `anyOf`
+   * - `oneOf` (interpreted the same as `anyOf`)
+   * - `properties`
+   * - `additionalProperties`
+   * - `required`
+   *
+   * The non-standard `propertyOrdering` property may also be set.
+   *
+   * Cyclic references are unrolled to a limited degree and, as such, may only
+   * be used within non-required properties. (Nullable properties are not
+   * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+   * for than those starting as a `$`, may be set.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the responseJsonSchema field is set.
+   */
+  @java.lang.Override
+  public boolean hasResponseJsonSchema() {
+    return ((bitField0_ & 0x00000800) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output schema of the generated response. This is an alternative
+   * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+   *
+   * If set, `response_schema` must be omitted, but `response_mime_type` is
+   * required.
+   *
+   * While the full JSON Schema may be sent, not all features are supported.
+   * Specifically, only the following properties are supported:
+   *
+   * - `$id`
+   * - `$defs`
+   * - `$ref`
+   * - `$anchor`
+   * - `type`
+   * - `format`
+   * - `title`
+   * - `description`
+   * - `enum` (for strings and numbers)
+   * - `items`
+   * - `prefixItems`
+   * - `minItems`
+   * - `maxItems`
+   * - `minimum`
+   * - `maximum`
+   * - `anyOf`
+   * - `oneOf` (interpreted the same as `anyOf`)
+   * - `properties`
+   * - `additionalProperties`
+   * - `required`
+   *
+   * The non-standard `propertyOrdering` property may also be set.
+   *
+   * Cyclic references are unrolled to a limited degree and, as such, may only
+   * be used within non-required properties. (Nullable properties are not
+   * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+   * for than those starting as a `$`, may be set.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The responseJsonSchema.
+   */
+  @java.lang.Override
+  public com.google.protobuf.Value getResponseJsonSchema() {
+    return responseJsonSchema_ == null
+        ? com.google.protobuf.Value.getDefaultInstance()
+        : responseJsonSchema_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output schema of the generated response. This is an alternative
+   * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+   *
+   * If set, `response_schema` must be omitted, but `response_mime_type` is
+   * required.
+   *
+   * While the full JSON Schema may be sent, not all features are supported.
+   * Specifically, only the following properties are supported:
+   *
+   * - `$id`
+   * - `$defs`
+   * - `$ref`
+   * - `$anchor`
+   * - `type`
+   * - `format`
+   * - `title`
+   * - `description`
+   * - `enum` (for strings and numbers)
+   * - `items`
+   * - `prefixItems`
+   * - `minItems`
+   * - `maxItems`
+   * - `minimum`
+   * - `maximum`
+   * - `anyOf`
+   * - `oneOf` (interpreted the same as `anyOf`)
+   * - `properties`
+   * - `additionalProperties`
+   * - `required`
+   *
+   * The non-standard `propertyOrdering` property may also be set.
+   *
+   * Cyclic references are unrolled to a limited degree and, as such, may only
+   * be used within non-required properties. (Nullable properties are not
+   * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+   * for than those starting as a `$`, may be set.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.protobuf.ValueOrBuilder getResponseJsonSchemaOrBuilder() {
+    return responseJsonSchema_ == null
+        ? com.google.protobuf.Value.getDefaultInstance()
+        : responseJsonSchema_;
+  }
+
+  public static final int ROUTING_CONFIG_FIELD_NUMBER = 17;
+  private com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig routingConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Routing configuration.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the routingConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasRoutingConfig() {
+    return ((bitField0_ & 0x00001000) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Routing configuration.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The routingConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig getRoutingConfig() {
+    return routingConfig_ == null
+        ? com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.getDefaultInstance()
+        : routingConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Routing configuration.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GenerationConfig.RoutingConfigOrBuilder
+      getRoutingConfigOrBuilder() {
+    return routingConfig_ == null
+        ? com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.getDefaultInstance()
+        : routingConfig_;
+  }
+
+  public static final int SPEECH_CONFIG_FIELD_NUMBER = 23;
+  private com.google.cloud.vertexai.api.SpeechConfig speechConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The speech generation config.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the speechConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasSpeechConfig() {
+    return ((bitField0_ & 0x00002000) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The speech generation config.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The speechConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SpeechConfig getSpeechConfig() {
+    return speechConfig_ == null
+        ? com.google.cloud.vertexai.api.SpeechConfig.getDefaultInstance()
+        : speechConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The speech generation config.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SpeechConfigOrBuilder getSpeechConfigOrBuilder() {
+    return speechConfig_ == null
+        ? com.google.cloud.vertexai.api.SpeechConfig.getDefaultInstance()
+        : speechConfig_;
+  }
+
+  public static final int THINKING_CONFIG_FIELD_NUMBER = 25;
+  private com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig thinkingConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Config for thinking features.
+   * An error will be returned if this field is set for models that don't
+   * support thinking.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the thinkingConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasThinkingConfig() {
+    return ((bitField0_ & 0x00004000) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Config for thinking features.
+   * An error will be returned if this field is set for models that don't
+   * support thinking.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The thinkingConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig getThinkingConfig() {
+    return thinkingConfig_ == null
+        ? com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.getDefaultInstance()
+        : thinkingConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Config for thinking features.
+   * An error will be returned if this field is set for models that don't
+   * support thinking.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfigOrBuilder
+      getThinkingConfigOrBuilder() {
+    return thinkingConfig_ == null
+        ? com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.getDefaultInstance()
+        : thinkingConfig_;
+  }
+
+  public static final int IMAGE_CONFIG_FIELD_NUMBER = 30;
+  private com.google.cloud.vertexai.api.ImageConfig imageConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Config for image generation features.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the imageConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasImageConfig() {
+    return ((bitField0_ & 0x00008000) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Config for image generation features.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The imageConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ImageConfig getImageConfig() {
+    return imageConfig_ == null
+        ? com.google.cloud.vertexai.api.ImageConfig.getDefaultInstance()
+        : imageConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Config for image generation features.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ImageConfigOrBuilder getImageConfigOrBuilder() {
+    return imageConfig_ == null
+        ? com.google.cloud.vertexai.api.ImageConfig.getDefaultInstance()
+        : imageConfig_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeFloat(1, temperature_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeFloat(2, topP_);
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      output.writeFloat(3, topK_);
+    }
+    if (((bitField0_ & 0x00000008) != 0)) {
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+        to_bitField0_ |= 0x00004000;
+      }
+      if (((from_bitField0_ & 0x00020000) != 0)) {
+        result.imageConfig_ =
+            imageConfigBuilder_ == null ? imageConfig_ : imageConfigBuilder_.build();
+        to_bitField0_ |= 0x00008000;
+      }
+      result.bitField0_ |= to_bitField0_;
     }
-    if (getStopSequencesCount() > 0) {
-      hash = (37 * hash) + STOP_SEQUENCES_FIELD_NUMBER;
-      hash = (53 * hash) + getStopSequencesList().hashCode();
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.GenerationConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.GenerationConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
     }
-    if (hasResponseLogprobs()) {
-      hash = (37 * hash) + RESPONSE_LOGPROBS_FIELD_NUMBER;
-      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getResponseLogprobs());
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.GenerationConfig other) {
+      if (other == com.google.cloud.vertexai.api.GenerationConfig.getDefaultInstance()) return this;
+      if (other.hasTemperature()) {
+        setTemperature(other.getTemperature());
+      }
+      if (other.hasTopP()) {
+        setTopP(other.getTopP());
+      }
+      if (other.hasTopK()) {
+        setTopK(other.getTopK());
+      }
+      if (other.hasCandidateCount()) {
+        setCandidateCount(other.getCandidateCount());
+      }
+      if (other.hasMaxOutputTokens()) {
+        setMaxOutputTokens(other.getMaxOutputTokens());
+      }
+      if (!other.stopSequences_.isEmpty()) {
+        if (stopSequences_.isEmpty()) {
+          stopSequences_ = other.stopSequences_;
+          bitField0_ |= 0x00000020;
+        } else {
+          ensureStopSequencesIsMutable();
+          stopSequences_.addAll(other.stopSequences_);
+        }
+        onChanged();
+      }
+      if (other.hasResponseLogprobs()) {
+        setResponseLogprobs(other.getResponseLogprobs());
+      }
+      if (other.hasLogprobs()) {
+        setLogprobs(other.getLogprobs());
+      }
+      if (other.hasPresencePenalty()) {
+        setPresencePenalty(other.getPresencePenalty());
+      }
+      if (other.hasFrequencyPenalty()) {
+        setFrequencyPenalty(other.getFrequencyPenalty());
+      }
+      if (other.hasSeed()) {
+        setSeed(other.getSeed());
+      }
+      if (!other.getResponseMimeType().isEmpty()) {
+        responseMimeType_ = other.responseMimeType_;
+        bitField0_ |= 0x00000800;
+        onChanged();
+      }
+      if (other.hasResponseSchema()) {
+        mergeResponseSchema(other.getResponseSchema());
+      }
+      if (other.hasResponseJsonSchema()) {
+        mergeResponseJsonSchema(other.getResponseJsonSchema());
+      }
+      if (other.hasRoutingConfig()) {
+        mergeRoutingConfig(other.getRoutingConfig());
+      }
+      if (other.hasSpeechConfig()) {
+        mergeSpeechConfig(other.getSpeechConfig());
+      }
+      if (other.hasThinkingConfig()) {
+        mergeThinkingConfig(other.getThinkingConfig());
+      }
+      if (other.hasImageConfig()) {
+        mergeImageConfig(other.getImageConfig());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
     }
-    if (hasLogprobs()) {
-      hash = (37 * hash) + LOGPROBS_FIELD_NUMBER;
-      hash = (53 * hash) + getLogprobs();
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
     }
-    if (hasPresencePenalty()) {
-      hash = (37 * hash) + PRESENCE_PENALTY_FIELD_NUMBER;
-      hash = (53 * hash) + java.lang.Float.floatToIntBits(getPresencePenalty());
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 13:
+              {
+                temperature_ = input.readFloat();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 13
+            case 21:
+              {
+                topP_ = input.readFloat();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 21
+            case 29:
+              {
+                topK_ = input.readFloat();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 29
+            case 32:
+              {
+                candidateCount_ = input.readInt32();
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 32
+            case 40:
+              {
+                maxOutputTokens_ = input.readInt32();
+                bitField0_ |= 0x00000010;
+                break;
+              } // case 40
+            case 50:
+              {
+                java.lang.String s = input.readStringRequireUtf8();
+                ensureStopSequencesIsMutable();
+                stopSequences_.add(s);
+                break;
+              } // case 50
+            case 56:
+              {
+                logprobs_ = input.readInt32();
+                bitField0_ |= 0x00000080;
+                break;
+              } // case 56
+            case 69:
+              {
+                presencePenalty_ = input.readFloat();
+                bitField0_ |= 0x00000100;
+                break;
+              } // case 69
+            case 77:
+              {
+                frequencyPenalty_ = input.readFloat();
+                bitField0_ |= 0x00000200;
+                break;
+              } // case 77
+            case 96:
+              {
+                seed_ = input.readInt32();
+                bitField0_ |= 0x00000400;
+                break;
+              } // case 96
+            case 106:
+              {
+                responseMimeType_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000800;
+                break;
+              } // case 106
+            case 130:
+              {
+                input.readMessage(
+                    internalGetResponseSchemaFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00001000;
+                break;
+              } // case 130
+            case 138:
+              {
+                input.readMessage(
+                    internalGetRoutingConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00004000;
+                break;
+              } // case 138
+            case 144:
+              {
+                responseLogprobs_ = input.readBool();
+                bitField0_ |= 0x00000040;
+                break;
+              } // case 144
+            case 186:
+              {
+                input.readMessage(
+                    internalGetSpeechConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00008000;
+                break;
+              } // case 186
+            case 202:
+              {
+                input.readMessage(
+                    internalGetThinkingConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00010000;
+                break;
+              } // case 202
+            case 226:
+              {
+                input.readMessage(
+                    internalGetResponseJsonSchemaFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00002000;
+                break;
+              } // case 226
+            case 242:
+              {
+                input.readMessage(
+                    internalGetImageConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00020000;
+                break;
+              } // case 242
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
     }
-    if (hasFrequencyPenalty()) {
-      hash = (37 * hash) + FREQUENCY_PENALTY_FIELD_NUMBER;
-      hash = (53 * hash) + java.lang.Float.floatToIntBits(getFrequencyPenalty());
+
+    private int bitField0_;
+
+    private float temperature_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Controls the randomness of predictions.
+     * </pre>
+     *
+     * <code>optional float temperature = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the temperature field is set.
+     */
+    @java.lang.Override
+    public boolean hasTemperature() {
+      return ((bitField0_ & 0x00000001) != 0);
     }
-    if (hasSeed()) {
-      hash = (37 * hash) + SEED_FIELD_NUMBER;
-      hash = (53 * hash) + getSeed();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Controls the randomness of predictions.
+     * </pre>
+     *
+     * <code>optional float temperature = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The temperature.
+     */
+    @java.lang.Override
+    public float getTemperature() {
+      return temperature_;
     }
-    hash = (37 * hash) + RESPONSE_MIME_TYPE_FIELD_NUMBER;
-    hash = (53 * hash) + getResponseMimeType().hashCode();
-    if (hasResponseSchema()) {
-      hash = (37 * hash) + RESPONSE_SCHEMA_FIELD_NUMBER;
-      hash = (53 * hash) + getResponseSchema().hashCode();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Controls the randomness of predictions.
+     * </pre>
+     *
+     * <code>optional float temperature = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The temperature to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTemperature(float value) {
+
+      temperature_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
     }
-    if (hasRoutingConfig()) {
-      hash = (37 * hash) + ROUTING_CONFIG_FIELD_NUMBER;
-      hash = (53 * hash) + getRoutingConfig().hashCode();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Controls the randomness of predictions.
+     * </pre>
+     *
+     * <code>optional float temperature = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearTemperature() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      temperature_ = 0F;
+      onChanged();
+      return this;
     }
-    hash = (29 * hash) + getUnknownFields().hashCode();
-    memoizedHashCode = hash;
-    return hash;
-  }
 
-  public static com.google.cloud.vertexai.api.GenerationConfig parseFrom(java.nio.ByteBuffer data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
+    private float topP_;
 
-  public static com.google.cloud.vertexai.api.GenerationConfig parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If specified, nucleus sampling will be used.
+     * </pre>
+     *
+     * <code>optional float top_p = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the topP field is set.
+     */
+    @java.lang.Override
+    public boolean hasTopP() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
 
-  public static com.google.cloud.vertexai.api.GenerationConfig parseFrom(
-      com.google.protobuf.ByteString data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If specified, nucleus sampling will be used.
+     * </pre>
+     *
+     * <code>optional float top_p = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The topP.
+     */
+    @java.lang.Override
+    public float getTopP() {
+      return topP_;
+    }
 
-  public static com.google.cloud.vertexai.api.GenerationConfig parseFrom(
-      com.google.protobuf.ByteString data,
-      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If specified, nucleus sampling will be used.
+     * </pre>
+     *
+     * <code>optional float top_p = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The topP to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTopP(float value) {
 
-  public static com.google.cloud.vertexai.api.GenerationConfig parseFrom(byte[] data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
+      topP_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
 
-  public static com.google.cloud.vertexai.api.GenerationConfig parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If specified, nucleus sampling will be used.
+     * </pre>
+     *
+     * <code>optional float top_p = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearTopP() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      topP_ = 0F;
+      onChanged();
+      return this;
+    }
 
-  public static com.google.cloud.vertexai.api.GenerationConfig parseFrom(java.io.InputStream input)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
-  }
+    private float topK_;
 
-  public static com.google.cloud.vertexai.api.GenerationConfig parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If specified, top-k sampling will be used.
+     * </pre>
+     *
+     * <code>optional float top_k = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the topK field is set.
+     */
+    @java.lang.Override
+    public boolean hasTopK() {
+      return ((bitField0_ & 0x00000004) != 0);
+    }
 
-  public static com.google.cloud.vertexai.api.GenerationConfig parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If specified, top-k sampling will be used.
+     * </pre>
+     *
+     * <code>optional float top_k = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The topK.
+     */
+    @java.lang.Override
+    public float getTopK() {
+      return topK_;
+    }
 
-  public static com.google.cloud.vertexai.api.GenerationConfig parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If specified, top-k sampling will be used.
+     * </pre>
+     *
+     * <code>optional float top_k = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The topK to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTopK(float value) {
 
-  public static com.google.cloud.vertexai.api.GenerationConfig parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
-  }
+      topK_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
 
-  public static com.google.cloud.vertexai.api.GenerationConfig parseFrom(
-      com.google.protobuf.CodedInputStream input,
-      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If specified, top-k sampling will be used.
+     * </pre>
+     *
+     * <code>optional float top_k = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearTopK() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      topK_ = 0F;
+      onChanged();
+      return this;
+    }
 
-  @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
+    private int candidateCount_;
 
-  public static Builder newBuilder() {
-    return DEFAULT_INSTANCE.toBuilder();
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Number of candidates to generate.
+     * </pre>
+     *
+     * <code>optional int32 candidate_count = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the candidateCount field is set.
+     */
+    @java.lang.Override
+    public boolean hasCandidateCount() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
 
-  public static Builder newBuilder(com.google.cloud.vertexai.api.GenerationConfig prototype) {
-    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Number of candidates to generate.
+     * </pre>
+     *
+     * <code>optional int32 candidate_count = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The candidateCount.
+     */
+    @java.lang.Override
+    public int getCandidateCount() {
+      return candidateCount_;
+    }
 
-  @java.lang.Override
-  public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Number of candidates to generate.
+     * </pre>
+     *
+     * <code>optional int32 candidate_count = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The candidateCount to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCandidateCount(int value) {
 
-  @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-    Builder builder = new Builder(parent);
-    return builder;
-  }
+      candidateCount_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Generation config.
-   * </pre>
-   *
-   * Protobuf type {@code google.cloud.vertexai.v1.GenerationConfig}
-   */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
-      implements
-      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GenerationConfig)
-      com.google.cloud.vertexai.api.GenerationConfigOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.cloud.vertexai.api.ContentProto
-          .internal_static_google_cloud_vertexai_v1_GenerationConfig_descriptor;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Number of candidates to generate.
+     * </pre>
+     *
+     * <code>optional int32 candidate_count = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearCandidateCount() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      candidateCount_ = 0;
+      onChanged();
+      return this;
     }
 
+    private int maxOutputTokens_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The maximum number of output tokens to generate per message.
+     * </pre>
+     *
+     * <code>optional int32 max_output_tokens = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the maxOutputTokens field is set.
+     */
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-        internalGetFieldAccessorTable() {
-      return com.google.cloud.vertexai.api.ContentProto
-          .internal_static_google_cloud_vertexai_v1_GenerationConfig_fieldAccessorTable
-          .ensureFieldAccessorsInitialized(
-              com.google.cloud.vertexai.api.GenerationConfig.class,
-              com.google.cloud.vertexai.api.GenerationConfig.Builder.class);
+    public boolean hasMaxOutputTokens() {
+      return ((bitField0_ & 0x00000010) != 0);
     }
 
-    // Construct using com.google.cloud.vertexai.api.GenerationConfig.newBuilder()
-    private Builder() {
-      maybeForceBuilderInitialization();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The maximum number of output tokens to generate per message.
+     * </pre>
+     *
+     * <code>optional int32 max_output_tokens = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The maxOutputTokens.
+     */
+    @java.lang.Override
+    public int getMaxOutputTokens() {
+      return maxOutputTokens_;
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
-      maybeForceBuilderInitialization();
-    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The maximum number of output tokens to generate per message.
+     * </pre>
+     *
+     * <code>optional int32 max_output_tokens = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The maxOutputTokens to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMaxOutputTokens(int value) {
 
-    private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getResponseSchemaFieldBuilder();
-        getRoutingConfigFieldBuilder();
-      }
+      maxOutputTokens_ = value;
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
     }
 
-    @java.lang.Override
-    public Builder clear() {
-      super.clear();
-      bitField0_ = 0;
-      temperature_ = 0F;
-      topP_ = 0F;
-      topK_ = 0F;
-      candidateCount_ = 0;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The maximum number of output tokens to generate per message.
+     * </pre>
+     *
+     * <code>optional int32 max_output_tokens = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearMaxOutputTokens() {
+      bitField0_ = (bitField0_ & ~0x00000010);
       maxOutputTokens_ = 0;
-      stopSequences_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      responseLogprobs_ = false;
-      logprobs_ = 0;
-      presencePenalty_ = 0F;
-      frequencyPenalty_ = 0F;
-      seed_ = 0;
-      responseMimeType_ = "";
-      responseSchema_ = null;
-      if (responseSchemaBuilder_ != null) {
-        responseSchemaBuilder_.dispose();
-        responseSchemaBuilder_ = null;
-      }
-      routingConfig_ = null;
-      if (routingConfigBuilder_ != null) {
-        routingConfigBuilder_.dispose();
-        routingConfigBuilder_ = null;
+      onChanged();
+      return this;
+    }
+
+    private com.google.protobuf.LazyStringArrayList stopSequences_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+
+    private void ensureStopSequencesIsMutable() {
+      if (!stopSequences_.isModifiable()) {
+        stopSequences_ = new com.google.protobuf.LazyStringArrayList(stopSequences_);
       }
-      return this;
+      bitField0_ |= 0x00000020;
     }
 
-    @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.cloud.vertexai.api.ContentProto
-          .internal_static_google_cloud_vertexai_v1_GenerationConfig_descriptor;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Stop sequences.
+     * </pre>
+     *
+     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return A list containing the stopSequences.
+     */
+    public com.google.protobuf.ProtocolStringList getStopSequencesList() {
+      stopSequences_.makeImmutable();
+      return stopSequences_;
     }
 
-    @java.lang.Override
-    public com.google.cloud.vertexai.api.GenerationConfig getDefaultInstanceForType() {
-      return com.google.cloud.vertexai.api.GenerationConfig.getDefaultInstance();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Stop sequences.
+     * </pre>
+     *
+     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The count of stopSequences.
+     */
+    public int getStopSequencesCount() {
+      return stopSequences_.size();
     }
 
-    @java.lang.Override
-    public com.google.cloud.vertexai.api.GenerationConfig build() {
-      com.google.cloud.vertexai.api.GenerationConfig result = buildPartial();
-      if (!result.isInitialized()) {
-        throw newUninitializedMessageException(result);
-      }
-      return result;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Stop sequences.
+     * </pre>
+     *
+     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param index The index of the element to return.
+     * @return The stopSequences at the given index.
+     */
+    public java.lang.String getStopSequences(int index) {
+      return stopSequences_.get(index);
     }
 
-    @java.lang.Override
-    public com.google.cloud.vertexai.api.GenerationConfig buildPartial() {
-      com.google.cloud.vertexai.api.GenerationConfig result =
-          new com.google.cloud.vertexai.api.GenerationConfig(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
-      onBuilt();
-      return result;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Stop sequences.
+     * </pre>
+     *
+     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the stopSequences at the given index.
+     */
+    public com.google.protobuf.ByteString getStopSequencesBytes(int index) {
+      return stopSequences_.getByteString(index);
     }
 
-    private void buildPartial0(com.google.cloud.vertexai.api.GenerationConfig result) {
-      int from_bitField0_ = bitField0_;
-      int to_bitField0_ = 0;
-      if (((from_bitField0_ & 0x00000001) != 0)) {
-        result.temperature_ = temperature_;
-        to_bitField0_ |= 0x00000001;
-      }
-      if (((from_bitField0_ & 0x00000002) != 0)) {
-        result.topP_ = topP_;
-        to_bitField0_ |= 0x00000002;
-      }
-      if (((from_bitField0_ & 0x00000004) != 0)) {
-        result.topK_ = topK_;
-        to_bitField0_ |= 0x00000004;
-      }
-      if (((from_bitField0_ & 0x00000008) != 0)) {
-        result.candidateCount_ = candidateCount_;
-        to_bitField0_ |= 0x00000008;
-      }
-      if (((from_bitField0_ & 0x00000010) != 0)) {
-        result.maxOutputTokens_ = maxOutputTokens_;
-        to_bitField0_ |= 0x00000010;
-      }
-      if (((from_bitField0_ & 0x00000020) != 0)) {
-        stopSequences_.makeImmutable();
-        result.stopSequences_ = stopSequences_;
-      }
-      if (((from_bitField0_ & 0x00000040) != 0)) {
-        result.responseLogprobs_ = responseLogprobs_;
-        to_bitField0_ |= 0x00000020;
-      }
-      if (((from_bitField0_ & 0x00000080) != 0)) {
-        result.logprobs_ = logprobs_;
-        to_bitField0_ |= 0x00000040;
-      }
-      if (((from_bitField0_ & 0x00000100) != 0)) {
-        result.presencePenalty_ = presencePenalty_;
-        to_bitField0_ |= 0x00000080;
-      }
-      if (((from_bitField0_ & 0x00000200) != 0)) {
-        result.frequencyPenalty_ = frequencyPenalty_;
-        to_bitField0_ |= 0x00000100;
-      }
-      if (((from_bitField0_ & 0x00000400) != 0)) {
-        result.seed_ = seed_;
-        to_bitField0_ |= 0x00000200;
-      }
-      if (((from_bitField0_ & 0x00000800) != 0)) {
-        result.responseMimeType_ = responseMimeType_;
-      }
-      if (((from_bitField0_ & 0x00001000) != 0)) {
-        result.responseSchema_ =
-            responseSchemaBuilder_ == null ? responseSchema_ : responseSchemaBuilder_.build();
-        to_bitField0_ |= 0x00000400;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Stop sequences.
+     * </pre>
+     *
+     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param index The index to set the value at.
+     * @param value The stopSequences to set.
+     * @return This builder for chaining.
+     */
+    public Builder setStopSequences(int index, java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
-      if (((from_bitField0_ & 0x00002000) != 0)) {
-        result.routingConfig_ =
-            routingConfigBuilder_ == null ? routingConfig_ : routingConfigBuilder_.build();
-        to_bitField0_ |= 0x00000800;
+      ensureStopSequencesIsMutable();
+      stopSequences_.set(index, value);
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Stop sequences.
+     * </pre>
+     *
+     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The stopSequences to add.
+     * @return This builder for chaining.
+     */
+    public Builder addStopSequences(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
-      result.bitField0_ |= to_bitField0_;
+      ensureStopSequencesIsMutable();
+      stopSequences_.add(value);
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Stop sequences.
+     * </pre>
+     *
+     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param values The stopSequences to add.
+     * @return This builder for chaining.
+     */
+    public Builder addAllStopSequences(java.lang.Iterable<java.lang.String> values) {
+      ensureStopSequencesIsMutable();
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, stopSequences_);
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
     }
 
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Stop sequences.
+     * </pre>
+     *
+     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearStopSequences() {
+      stopSequences_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      bitField0_ = (bitField0_ & ~0x00000020);
+      ;
+      onChanged();
+      return this;
     }
 
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Stop sequences.
+     * </pre>
+     *
+     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes of the stopSequences to add.
+     * @return This builder for chaining.
+     */
+    public Builder addStopSequencesBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      ensureStopSequencesIsMutable();
+      stopSequences_.add(value);
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
     }
 
+    private boolean responseLogprobs_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If true, export the logprobs results in response.
+     * </pre>
+     *
+     * <code>optional bool response_logprobs = 18 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the responseLogprobs field is set.
+     */
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
+    public boolean hasResponseLogprobs() {
+      return ((bitField0_ & 0x00000040) != 0);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If true, export the logprobs results in response.
+     * </pre>
+     *
+     * <code>optional bool response_logprobs = 18 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The responseLogprobs.
+     */
     @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
+    public boolean getResponseLogprobs() {
+      return responseLogprobs_;
     }
 
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If true, export the logprobs results in response.
+     * </pre>
+     *
+     * <code>optional bool response_logprobs = 18 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The responseLogprobs to set.
+     * @return This builder for chaining.
+     */
+    public Builder setResponseLogprobs(boolean value) {
 
-    @java.lang.Override
-    public Builder mergeFrom(com.google.protobuf.Message other) {
-      if (other instanceof com.google.cloud.vertexai.api.GenerationConfig) {
-        return mergeFrom((com.google.cloud.vertexai.api.GenerationConfig) other);
-      } else {
-        super.mergeFrom(other);
-        return this;
-      }
+      responseLogprobs_ = value;
+      bitField0_ |= 0x00000040;
+      onChanged();
+      return this;
     }
 
-    public Builder mergeFrom(com.google.cloud.vertexai.api.GenerationConfig other) {
-      if (other == com.google.cloud.vertexai.api.GenerationConfig.getDefaultInstance()) return this;
-      if (other.hasTemperature()) {
-        setTemperature(other.getTemperature());
-      }
-      if (other.hasTopP()) {
-        setTopP(other.getTopP());
-      }
-      if (other.hasTopK()) {
-        setTopK(other.getTopK());
-      }
-      if (other.hasCandidateCount()) {
-        setCandidateCount(other.getCandidateCount());
-      }
-      if (other.hasMaxOutputTokens()) {
-        setMaxOutputTokens(other.getMaxOutputTokens());
-      }
-      if (!other.stopSequences_.isEmpty()) {
-        if (stopSequences_.isEmpty()) {
-          stopSequences_ = other.stopSequences_;
-          bitField0_ |= 0x00000020;
-        } else {
-          ensureStopSequencesIsMutable();
-          stopSequences_.addAll(other.stopSequences_);
-        }
-        onChanged();
-      }
-      if (other.hasResponseLogprobs()) {
-        setResponseLogprobs(other.getResponseLogprobs());
-      }
-      if (other.hasLogprobs()) {
-        setLogprobs(other.getLogprobs());
-      }
-      if (other.hasPresencePenalty()) {
-        setPresencePenalty(other.getPresencePenalty());
-      }
-      if (other.hasFrequencyPenalty()) {
-        setFrequencyPenalty(other.getFrequencyPenalty());
-      }
-      if (other.hasSeed()) {
-        setSeed(other.getSeed());
-      }
-      if (!other.getResponseMimeType().isEmpty()) {
-        responseMimeType_ = other.responseMimeType_;
-        bitField0_ |= 0x00000800;
-        onChanged();
-      }
-      if (other.hasResponseSchema()) {
-        mergeResponseSchema(other.getResponseSchema());
-      }
-      if (other.hasRoutingConfig()) {
-        mergeRoutingConfig(other.getRoutingConfig());
-      }
-      this.mergeUnknownFields(other.getUnknownFields());
+    /**
+     *
+     *
+     * <pre>
+     * Optional. If true, export the logprobs results in response.
+     * </pre>
+     *
+     * <code>optional bool response_logprobs = 18 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearResponseLogprobs() {
+      bitField0_ = (bitField0_ & ~0x00000040);
+      responseLogprobs_ = false;
       onChanged();
       return this;
     }
 
+    private int logprobs_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Logit probabilities.
+     * </pre>
+     *
+     * <code>optional int32 logprobs = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the logprobs field is set.
+     */
     @java.lang.Override
-    public final boolean isInitialized() {
-      return true;
+    public boolean hasLogprobs() {
+      return ((bitField0_ & 0x00000080) != 0);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Logit probabilities.
+     * </pre>
+     *
+     * <code>optional int32 logprobs = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The logprobs.
+     */
     @java.lang.Override
-    public Builder mergeFrom(
-        com.google.protobuf.CodedInputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      if (extensionRegistry == null) {
-        throw new java.lang.NullPointerException();
-      }
-      try {
-        boolean done = false;
-        while (!done) {
-          int tag = input.readTag();
-          switch (tag) {
-            case 0:
-              done = true;
-              break;
-            case 13:
-              {
-                temperature_ = input.readFloat();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 13
-            case 21:
-              {
-                topP_ = input.readFloat();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 21
-            case 29:
-              {
-                topK_ = input.readFloat();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 29
-            case 32:
-              {
-                candidateCount_ = input.readInt32();
-                bitField0_ |= 0x00000008;
-                break;
-              } // case 32
-            case 40:
-              {
-                maxOutputTokens_ = input.readInt32();
-                bitField0_ |= 0x00000010;
-                break;
-              } // case 40
-            case 50:
-              {
-                java.lang.String s = input.readStringRequireUtf8();
-                ensureStopSequencesIsMutable();
-                stopSequences_.add(s);
-                break;
-              } // case 50
-            case 56:
-              {
-                logprobs_ = input.readInt32();
-                bitField0_ |= 0x00000080;
-                break;
-              } // case 56
-            case 69:
-              {
-                presencePenalty_ = input.readFloat();
-                bitField0_ |= 0x00000100;
-                break;
-              } // case 69
-            case 77:
-              {
-                frequencyPenalty_ = input.readFloat();
-                bitField0_ |= 0x00000200;
-                break;
-              } // case 77
-            case 96:
-              {
-                seed_ = input.readInt32();
-                bitField0_ |= 0x00000400;
-                break;
-              } // case 96
-            case 106:
-              {
-                responseMimeType_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000800;
-                break;
-              } // case 106
-            case 130:
-              {
-                input.readMessage(getResponseSchemaFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00001000;
-                break;
-              } // case 130
-            case 138:
-              {
-                input.readMessage(getRoutingConfigFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00002000;
-                break;
-              } // case 138
-            case 144:
-              {
-                responseLogprobs_ = input.readBool();
-                bitField0_ |= 0x00000040;
-                break;
-              } // case 144
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
-          } // switch (tag)
-        } // while (!done)
-      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-        throw e.unwrapIOException();
-      } finally {
-        onChanged();
-      } // finally
+    public int getLogprobs() {
+      return logprobs_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Logit probabilities.
+     * </pre>
+     *
+     * <code>optional int32 logprobs = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The logprobs to set.
+     * @return This builder for chaining.
+     */
+    public Builder setLogprobs(int value) {
+
+      logprobs_ = value;
+      bitField0_ |= 0x00000080;
+      onChanged();
       return this;
     }
 
-    private int bitField0_;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Logit probabilities.
+     * </pre>
+     *
+     * <code>optional int32 logprobs = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearLogprobs() {
+      bitField0_ = (bitField0_ & ~0x00000080);
+      logprobs_ = 0;
+      onChanged();
+      return this;
+    }
 
-    private float temperature_;
+    private float presencePenalty_;
 
     /**
      *
      *
      * <pre>
-     * Optional. Controls the randomness of predictions.
+     * Optional. Positive penalties.
      * </pre>
      *
-     * <code>optional float temperature = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>optional float presence_penalty = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @return Whether the temperature field is set.
+     * @return Whether the presencePenalty field is set.
      */
     @java.lang.Override
-    public boolean hasTemperature() {
-      return ((bitField0_ & 0x00000001) != 0);
+    public boolean hasPresencePenalty() {
+      return ((bitField0_ & 0x00000100) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Controls the randomness of predictions.
+     * Optional. Positive penalties.
      * </pre>
      *
-     * <code>optional float temperature = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>optional float presence_penalty = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @return The temperature.
+     * @return The presencePenalty.
      */
     @java.lang.Override
-    public float getTemperature() {
-      return temperature_;
+    public float getPresencePenalty() {
+      return presencePenalty_;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Controls the randomness of predictions.
+     * Optional. Positive penalties.
      * </pre>
      *
-     * <code>optional float temperature = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>optional float presence_penalty = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @param value The temperature to set.
+     * @param value The presencePenalty to set.
      * @return This builder for chaining.
      */
-    public Builder setTemperature(float value) {
+    public Builder setPresencePenalty(float value) {
 
-      temperature_ = value;
-      bitField0_ |= 0x00000001;
+      presencePenalty_ = value;
+      bitField0_ |= 0x00000100;
       onChanged();
       return this;
     }
@@ -4526,70 +6299,70 @@ public Builder setTemperature(float value) {
      *
      *
      * <pre>
-     * Optional. Controls the randomness of predictions.
+     * Optional. Positive penalties.
      * </pre>
      *
-     * <code>optional float temperature = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>optional float presence_penalty = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @return This builder for chaining.
      */
-    public Builder clearTemperature() {
-      bitField0_ = (bitField0_ & ~0x00000001);
-      temperature_ = 0F;
+    public Builder clearPresencePenalty() {
+      bitField0_ = (bitField0_ & ~0x00000100);
+      presencePenalty_ = 0F;
       onChanged();
       return this;
     }
 
-    private float topP_;
+    private float frequencyPenalty_;
 
     /**
      *
      *
      * <pre>
-     * Optional. If specified, nucleus sampling will be used.
+     * Optional. Frequency penalties.
      * </pre>
      *
-     * <code>optional float top_p = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>optional float frequency_penalty = 9 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @return Whether the topP field is set.
+     * @return Whether the frequencyPenalty field is set.
      */
     @java.lang.Override
-    public boolean hasTopP() {
-      return ((bitField0_ & 0x00000002) != 0);
+    public boolean hasFrequencyPenalty() {
+      return ((bitField0_ & 0x00000200) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. If specified, nucleus sampling will be used.
+     * Optional. Frequency penalties.
      * </pre>
      *
-     * <code>optional float top_p = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>optional float frequency_penalty = 9 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @return The topP.
+     * @return The frequencyPenalty.
      */
     @java.lang.Override
-    public float getTopP() {
-      return topP_;
+    public float getFrequencyPenalty() {
+      return frequencyPenalty_;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. If specified, nucleus sampling will be used.
+     * Optional. Frequency penalties.
      * </pre>
      *
-     * <code>optional float top_p = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>optional float frequency_penalty = 9 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @param value The topP to set.
+     * @param value The frequencyPenalty to set.
      * @return This builder for chaining.
      */
-    public Builder setTopP(float value) {
+    public Builder setFrequencyPenalty(float value) {
 
-      topP_ = value;
-      bitField0_ |= 0x00000002;
+      frequencyPenalty_ = value;
+      bitField0_ |= 0x00000200;
       onChanged();
       return this;
     }
@@ -4598,70 +6371,70 @@ public Builder setTopP(float value) {
      *
      *
      * <pre>
-     * Optional. If specified, nucleus sampling will be used.
+     * Optional. Frequency penalties.
      * </pre>
      *
-     * <code>optional float top_p = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>optional float frequency_penalty = 9 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @return This builder for chaining.
      */
-    public Builder clearTopP() {
-      bitField0_ = (bitField0_ & ~0x00000002);
-      topP_ = 0F;
+    public Builder clearFrequencyPenalty() {
+      bitField0_ = (bitField0_ & ~0x00000200);
+      frequencyPenalty_ = 0F;
       onChanged();
       return this;
     }
 
-    private float topK_;
+    private int seed_;
 
     /**
      *
      *
      * <pre>
-     * Optional. If specified, top-k sampling will be used.
+     * Optional. Seed.
      * </pre>
      *
-     * <code>optional float top_k = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>optional int32 seed = 12 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @return Whether the topK field is set.
+     * @return Whether the seed field is set.
      */
     @java.lang.Override
-    public boolean hasTopK() {
-      return ((bitField0_ & 0x00000004) != 0);
+    public boolean hasSeed() {
+      return ((bitField0_ & 0x00000400) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. If specified, top-k sampling will be used.
+     * Optional. Seed.
      * </pre>
      *
-     * <code>optional float top_k = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>optional int32 seed = 12 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @return The topK.
+     * @return The seed.
      */
     @java.lang.Override
-    public float getTopK() {
-      return topK_;
+    public int getSeed() {
+      return seed_;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. If specified, top-k sampling will be used.
+     * Optional. Seed.
      * </pre>
      *
-     * <code>optional float top_k = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>optional int32 seed = 12 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @param value The topK to set.
+     * @param value The seed to set.
      * @return This builder for chaining.
      */
-    public Builder setTopK(float value) {
+    public Builder setSeed(int value) {
 
-      topK_ = value;
-      bitField0_ |= 0x00000004;
+      seed_ = value;
+      bitField0_ |= 0x00000400;
       onChanged();
       return this;
     }
@@ -4670,70 +6443,104 @@ public Builder setTopK(float value) {
      *
      *
      * <pre>
-     * Optional. If specified, top-k sampling will be used.
+     * Optional. Seed.
      * </pre>
      *
-     * <code>optional float top_k = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>optional int32 seed = 12 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @return This builder for chaining.
      */
-    public Builder clearTopK() {
-      bitField0_ = (bitField0_ & ~0x00000004);
-      topK_ = 0F;
+    public Builder clearSeed() {
+      bitField0_ = (bitField0_ & ~0x00000400);
+      seed_ = 0;
       onChanged();
       return this;
     }
 
-    private int candidateCount_;
+    private java.lang.Object responseMimeType_ = "";
 
     /**
      *
      *
      * <pre>
-     * Optional. Number of candidates to generate.
+     * Optional. Output response mimetype of the generated candidate text.
+     * Supported mimetype:
+     * - `text/plain`: (default) Text output.
+     * - `application/json`: JSON response in the candidates.
+     * The model needs to be prompted to output the appropriate response type,
+     * otherwise the behavior is undefined.
+     * This is a preview feature.
      * </pre>
      *
-     * <code>optional int32 candidate_count = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>string response_mime_type = 13 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @return Whether the candidateCount field is set.
+     * @return The responseMimeType.
      */
-    @java.lang.Override
-    public boolean hasCandidateCount() {
-      return ((bitField0_ & 0x00000008) != 0);
+    public java.lang.String getResponseMimeType() {
+      java.lang.Object ref = responseMimeType_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        responseMimeType_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Number of candidates to generate.
+     * Optional. Output response mimetype of the generated candidate text.
+     * Supported mimetype:
+     * - `text/plain`: (default) Text output.
+     * - `application/json`: JSON response in the candidates.
+     * The model needs to be prompted to output the appropriate response type,
+     * otherwise the behavior is undefined.
+     * This is a preview feature.
      * </pre>
      *
-     * <code>optional int32 candidate_count = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>string response_mime_type = 13 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @return The candidateCount.
+     * @return The bytes for responseMimeType.
      */
-    @java.lang.Override
-    public int getCandidateCount() {
-      return candidateCount_;
+    public com.google.protobuf.ByteString getResponseMimeTypeBytes() {
+      java.lang.Object ref = responseMimeType_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        responseMimeType_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Number of candidates to generate.
+     * Optional. Output response mimetype of the generated candidate text.
+     * Supported mimetype:
+     * - `text/plain`: (default) Text output.
+     * - `application/json`: JSON response in the candidates.
+     * The model needs to be prompted to output the appropriate response type,
+     * otherwise the behavior is undefined.
+     * This is a preview feature.
      * </pre>
      *
-     * <code>optional int32 candidate_count = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>string response_mime_type = 13 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @param value The candidateCount to set.
+     * @param value The responseMimeType to set.
      * @return This builder for chaining.
      */
-    public Builder setCandidateCount(int value) {
-
-      candidateCount_ = value;
-      bitField0_ |= 0x00000008;
+    public Builder setResponseMimeType(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      responseMimeType_ = value;
+      bitField0_ |= 0x00000800;
       onChanged();
       return this;
     }
@@ -4742,325 +6549,673 @@ public Builder setCandidateCount(int value) {
      *
      *
      * <pre>
-     * Optional. Number of candidates to generate.
+     * Optional. Output response mimetype of the generated candidate text.
+     * Supported mimetype:
+     * - `text/plain`: (default) Text output.
+     * - `application/json`: JSON response in the candidates.
+     * The model needs to be prompted to output the appropriate response type,
+     * otherwise the behavior is undefined.
+     * This is a preview feature.
      * </pre>
      *
-     * <code>optional int32 candidate_count = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>string response_mime_type = 13 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @return This builder for chaining.
      */
-    public Builder clearCandidateCount() {
-      bitField0_ = (bitField0_ & ~0x00000008);
-      candidateCount_ = 0;
+    public Builder clearResponseMimeType() {
+      responseMimeType_ = getDefaultInstance().getResponseMimeType();
+      bitField0_ = (bitField0_ & ~0x00000800);
       onChanged();
       return this;
     }
 
-    private int maxOutputTokens_;
-
     /**
      *
      *
      * <pre>
-     * Optional. The maximum number of output tokens to generate per message.
+     * Optional. Output response mimetype of the generated candidate text.
+     * Supported mimetype:
+     * - `text/plain`: (default) Text output.
+     * - `application/json`: JSON response in the candidates.
+     * The model needs to be prompted to output the appropriate response type,
+     * otherwise the behavior is undefined.
+     * This is a preview feature.
      * </pre>
      *
-     * <code>optional int32 max_output_tokens = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>string response_mime_type = 13 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @return Whether the maxOutputTokens field is set.
+     * @param value The bytes for responseMimeType to set.
+     * @return This builder for chaining.
      */
-    @java.lang.Override
-    public boolean hasMaxOutputTokens() {
-      return ((bitField0_ & 0x00000010) != 0);
+    public Builder setResponseMimeTypeBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      responseMimeType_ = value;
+      bitField0_ |= 0x00000800;
+      onChanged();
+      return this;
     }
 
+    private com.google.cloud.vertexai.api.Schema responseSchema_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.Schema,
+            com.google.cloud.vertexai.api.Schema.Builder,
+            com.google.cloud.vertexai.api.SchemaOrBuilder>
+        responseSchemaBuilder_;
+
     /**
      *
      *
      * <pre>
-     * Optional. The maximum number of output tokens to generate per message.
+     * Optional. The `Schema` object allows the definition of input and output
+     * data types. These types can be objects, but also primitives and arrays.
+     * Represents a select subset of an [OpenAPI 3.0 schema
+     * object](https://spec.openapis.org/oas/v3.0.3#schema).
+     * If set, a compatible response_mime_type must also be set.
+     * Compatible mimetypes:
+     * `application/json`: Schema for JSON response.
      * </pre>
      *
-     * <code>optional int32 max_output_tokens = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>
+     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      *
-     * @return The maxOutputTokens.
+     * @return Whether the responseSchema field is set.
      */
-    @java.lang.Override
-    public int getMaxOutputTokens() {
-      return maxOutputTokens_;
+    public boolean hasResponseSchema() {
+      return ((bitField0_ & 0x00001000) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. The maximum number of output tokens to generate per message.
+     * Optional. The `Schema` object allows the definition of input and output
+     * data types. These types can be objects, but also primitives and arrays.
+     * Represents a select subset of an [OpenAPI 3.0 schema
+     * object](https://spec.openapis.org/oas/v3.0.3#schema).
+     * If set, a compatible response_mime_type must also be set.
+     * Compatible mimetypes:
+     * `application/json`: Schema for JSON response.
      * </pre>
      *
-     * <code>optional int32 max_output_tokens = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>
+     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      *
-     * @param value The maxOutputTokens to set.
-     * @return This builder for chaining.
+     * @return The responseSchema.
      */
-    public Builder setMaxOutputTokens(int value) {
-
-      maxOutputTokens_ = value;
-      bitField0_ |= 0x00000010;
-      onChanged();
-      return this;
+    public com.google.cloud.vertexai.api.Schema getResponseSchema() {
+      if (responseSchemaBuilder_ == null) {
+        return responseSchema_ == null
+            ? com.google.cloud.vertexai.api.Schema.getDefaultInstance()
+            : responseSchema_;
+      } else {
+        return responseSchemaBuilder_.getMessage();
+      }
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. The maximum number of output tokens to generate per message.
+     * Optional. The `Schema` object allows the definition of input and output
+     * data types. These types can be objects, but also primitives and arrays.
+     * Represents a select subset of an [OpenAPI 3.0 schema
+     * object](https://spec.openapis.org/oas/v3.0.3#schema).
+     * If set, a compatible response_mime_type must also be set.
+     * Compatible mimetypes:
+     * `application/json`: Schema for JSON response.
      * </pre>
      *
-     * <code>optional int32 max_output_tokens = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return This builder for chaining.
+     * <code>
+     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder clearMaxOutputTokens() {
-      bitField0_ = (bitField0_ & ~0x00000010);
-      maxOutputTokens_ = 0;
+    public Builder setResponseSchema(com.google.cloud.vertexai.api.Schema value) {
+      if (responseSchemaBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        responseSchema_ = value;
+      } else {
+        responseSchemaBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00001000;
       onChanged();
       return this;
     }
 
-    private com.google.protobuf.LazyStringArrayList stopSequences_ =
-        com.google.protobuf.LazyStringArrayList.emptyList();
-
-    private void ensureStopSequencesIsMutable() {
-      if (!stopSequences_.isModifiable()) {
-        stopSequences_ = new com.google.protobuf.LazyStringArrayList(stopSequences_);
-      }
-      bitField0_ |= 0x00000020;
-    }
-
     /**
      *
      *
      * <pre>
-     * Optional. Stop sequences.
+     * Optional. The `Schema` object allows the definition of input and output
+     * data types. These types can be objects, but also primitives and arrays.
+     * Represents a select subset of an [OpenAPI 3.0 schema
+     * object](https://spec.openapis.org/oas/v3.0.3#schema).
+     * If set, a compatible response_mime_type must also be set.
+     * Compatible mimetypes:
+     * `application/json`: Schema for JSON response.
      * </pre>
      *
-     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return A list containing the stopSequences.
+     * <code>
+     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public com.google.protobuf.ProtocolStringList getStopSequencesList() {
-      stopSequences_.makeImmutable();
-      return stopSequences_;
+    public Builder setResponseSchema(com.google.cloud.vertexai.api.Schema.Builder builderForValue) {
+      if (responseSchemaBuilder_ == null) {
+        responseSchema_ = builderForValue.build();
+      } else {
+        responseSchemaBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00001000;
+      onChanged();
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Stop sequences.
+     * Optional. The `Schema` object allows the definition of input and output
+     * data types. These types can be objects, but also primitives and arrays.
+     * Represents a select subset of an [OpenAPI 3.0 schema
+     * object](https://spec.openapis.org/oas/v3.0.3#schema).
+     * If set, a compatible response_mime_type must also be set.
+     * Compatible mimetypes:
+     * `application/json`: Schema for JSON response.
      * </pre>
      *
-     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return The count of stopSequences.
+     * <code>
+     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public int getStopSequencesCount() {
-      return stopSequences_.size();
+    public Builder mergeResponseSchema(com.google.cloud.vertexai.api.Schema value) {
+      if (responseSchemaBuilder_ == null) {
+        if (((bitField0_ & 0x00001000) != 0)
+            && responseSchema_ != null
+            && responseSchema_ != com.google.cloud.vertexai.api.Schema.getDefaultInstance()) {
+          getResponseSchemaBuilder().mergeFrom(value);
+        } else {
+          responseSchema_ = value;
+        }
+      } else {
+        responseSchemaBuilder_.mergeFrom(value);
+      }
+      if (responseSchema_ != null) {
+        bitField0_ |= 0x00001000;
+        onChanged();
+      }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Stop sequences.
+     * Optional. The `Schema` object allows the definition of input and output
+     * data types. These types can be objects, but also primitives and arrays.
+     * Represents a select subset of an [OpenAPI 3.0 schema
+     * object](https://spec.openapis.org/oas/v3.0.3#schema).
+     * If set, a compatible response_mime_type must also be set.
+     * Compatible mimetypes:
+     * `application/json`: Schema for JSON response.
      * </pre>
      *
-     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @param index The index of the element to return.
-     * @return The stopSequences at the given index.
+     * <code>
+     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public java.lang.String getStopSequences(int index) {
-      return stopSequences_.get(index);
+    public Builder clearResponseSchema() {
+      bitField0_ = (bitField0_ & ~0x00001000);
+      responseSchema_ = null;
+      if (responseSchemaBuilder_ != null) {
+        responseSchemaBuilder_.dispose();
+        responseSchemaBuilder_ = null;
+      }
+      onChanged();
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Stop sequences.
+     * Optional. The `Schema` object allows the definition of input and output
+     * data types. These types can be objects, but also primitives and arrays.
+     * Represents a select subset of an [OpenAPI 3.0 schema
+     * object](https://spec.openapis.org/oas/v3.0.3#schema).
+     * If set, a compatible response_mime_type must also be set.
+     * Compatible mimetypes:
+     * `application/json`: Schema for JSON response.
      * </pre>
      *
-     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @param index The index of the value to return.
-     * @return The bytes of the stopSequences at the given index.
+     * <code>
+     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public com.google.protobuf.ByteString getStopSequencesBytes(int index) {
-      return stopSequences_.getByteString(index);
+    public com.google.cloud.vertexai.api.Schema.Builder getResponseSchemaBuilder() {
+      bitField0_ |= 0x00001000;
+      onChanged();
+      return internalGetResponseSchemaFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Stop sequences.
+     * Optional. The `Schema` object allows the definition of input and output
+     * data types. These types can be objects, but also primitives and arrays.
+     * Represents a select subset of an [OpenAPI 3.0 schema
+     * object](https://spec.openapis.org/oas/v3.0.3#schema).
+     * If set, a compatible response_mime_type must also be set.
+     * Compatible mimetypes:
+     * `application/json`: Schema for JSON response.
      * </pre>
      *
-     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @param index The index to set the value at.
-     * @param value The stopSequences to set.
-     * @return This builder for chaining.
+     * <code>
+     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder setStopSequences(int index, java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
-      ensureStopSequencesIsMutable();
-      stopSequences_.set(index, value);
-      bitField0_ |= 0x00000020;
-      onChanged();
-      return this;
+    public com.google.cloud.vertexai.api.SchemaOrBuilder getResponseSchemaOrBuilder() {
+      if (responseSchemaBuilder_ != null) {
+        return responseSchemaBuilder_.getMessageOrBuilder();
+      } else {
+        return responseSchema_ == null
+            ? com.google.cloud.vertexai.api.Schema.getDefaultInstance()
+            : responseSchema_;
+      }
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Stop sequences.
+     * Optional. The `Schema` object allows the definition of input and output
+     * data types. These types can be objects, but also primitives and arrays.
+     * Represents a select subset of an [OpenAPI 3.0 schema
+     * object](https://spec.openapis.org/oas/v3.0.3#schema).
+     * If set, a compatible response_mime_type must also be set.
+     * Compatible mimetypes:
+     * `application/json`: Schema for JSON response.
      * </pre>
      *
-     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @param value The stopSequences to add.
-     * @return This builder for chaining.
+     * <code>
+     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder addStopSequences(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.Schema,
+            com.google.cloud.vertexai.api.Schema.Builder,
+            com.google.cloud.vertexai.api.SchemaOrBuilder>
+        internalGetResponseSchemaFieldBuilder() {
+      if (responseSchemaBuilder_ == null) {
+        responseSchemaBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.Schema,
+                com.google.cloud.vertexai.api.Schema.Builder,
+                com.google.cloud.vertexai.api.SchemaOrBuilder>(
+                getResponseSchema(), getParentForChildren(), isClean());
+        responseSchema_ = null;
       }
-      ensureStopSequencesIsMutable();
-      stopSequences_.add(value);
-      bitField0_ |= 0x00000020;
-      onChanged();
-      return this;
+      return responseSchemaBuilder_;
     }
 
+    private com.google.protobuf.Value responseJsonSchema_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Value,
+            com.google.protobuf.Value.Builder,
+            com.google.protobuf.ValueOrBuilder>
+        responseJsonSchemaBuilder_;
+
     /**
      *
      *
      * <pre>
-     * Optional. Stop sequences.
+     * Optional. Output schema of the generated response. This is an alternative
+     * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+     *
+     * If set, `response_schema` must be omitted, but `response_mime_type` is
+     * required.
+     *
+     * While the full JSON Schema may be sent, not all features are supported.
+     * Specifically, only the following properties are supported:
+     *
+     * - `$id`
+     * - `$defs`
+     * - `$ref`
+     * - `$anchor`
+     * - `type`
+     * - `format`
+     * - `title`
+     * - `description`
+     * - `enum` (for strings and numbers)
+     * - `items`
+     * - `prefixItems`
+     * - `minItems`
+     * - `maxItems`
+     * - `minimum`
+     * - `maximum`
+     * - `anyOf`
+     * - `oneOf` (interpreted the same as `anyOf`)
+     * - `properties`
+     * - `additionalProperties`
+     * - `required`
+     *
+     * The non-standard `propertyOrdering` property may also be set.
+     *
+     * Cyclic references are unrolled to a limited degree and, as such, may only
+     * be used within non-required properties. (Nullable properties are not
+     * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+     * for than those starting as a `$`, may be set.
      * </pre>
      *
-     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>
+     * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      *
-     * @param values The stopSequences to add.
-     * @return This builder for chaining.
+     * @return Whether the responseJsonSchema field is set.
      */
-    public Builder addAllStopSequences(java.lang.Iterable<java.lang.String> values) {
-      ensureStopSequencesIsMutable();
-      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, stopSequences_);
-      bitField0_ |= 0x00000020;
-      onChanged();
-      return this;
+    public boolean hasResponseJsonSchema() {
+      return ((bitField0_ & 0x00002000) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Stop sequences.
+     * Optional. Output schema of the generated response. This is an alternative
+     * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+     *
+     * If set, `response_schema` must be omitted, but `response_mime_type` is
+     * required.
+     *
+     * While the full JSON Schema may be sent, not all features are supported.
+     * Specifically, only the following properties are supported:
+     *
+     * - `$id`
+     * - `$defs`
+     * - `$ref`
+     * - `$anchor`
+     * - `type`
+     * - `format`
+     * - `title`
+     * - `description`
+     * - `enum` (for strings and numbers)
+     * - `items`
+     * - `prefixItems`
+     * - `minItems`
+     * - `maxItems`
+     * - `minimum`
+     * - `maximum`
+     * - `anyOf`
+     * - `oneOf` (interpreted the same as `anyOf`)
+     * - `properties`
+     * - `additionalProperties`
+     * - `required`
+     *
+     * The non-standard `propertyOrdering` property may also be set.
+     *
+     * Cyclic references are unrolled to a limited degree and, as such, may only
+     * be used within non-required properties. (Nullable properties are not
+     * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+     * for than those starting as a `$`, may be set.
      * </pre>
      *
-     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>
+     * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      *
-     * @return This builder for chaining.
+     * @return The responseJsonSchema.
      */
-    public Builder clearStopSequences() {
-      stopSequences_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      bitField0_ = (bitField0_ & ~0x00000020);
-      ;
-      onChanged();
-      return this;
+    public com.google.protobuf.Value getResponseJsonSchema() {
+      if (responseJsonSchemaBuilder_ == null) {
+        return responseJsonSchema_ == null
+            ? com.google.protobuf.Value.getDefaultInstance()
+            : responseJsonSchema_;
+      } else {
+        return responseJsonSchemaBuilder_.getMessage();
+      }
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Stop sequences.
+     * Optional. Output schema of the generated response. This is an alternative
+     * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+     *
+     * If set, `response_schema` must be omitted, but `response_mime_type` is
+     * required.
+     *
+     * While the full JSON Schema may be sent, not all features are supported.
+     * Specifically, only the following properties are supported:
+     *
+     * - `$id`
+     * - `$defs`
+     * - `$ref`
+     * - `$anchor`
+     * - `type`
+     * - `format`
+     * - `title`
+     * - `description`
+     * - `enum` (for strings and numbers)
+     * - `items`
+     * - `prefixItems`
+     * - `minItems`
+     * - `maxItems`
+     * - `minimum`
+     * - `maximum`
+     * - `anyOf`
+     * - `oneOf` (interpreted the same as `anyOf`)
+     * - `properties`
+     * - `additionalProperties`
+     * - `required`
+     *
+     * The non-standard `propertyOrdering` property may also be set.
+     *
+     * Cyclic references are unrolled to a limited degree and, as such, may only
+     * be used within non-required properties. (Nullable properties are not
+     * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+     * for than those starting as a `$`, may be set.
      * </pre>
      *
-     * <code>repeated string stop_sequences = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @param value The bytes of the stopSequences to add.
-     * @return This builder for chaining.
+     * <code>
+     * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder addStopSequencesBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
+    public Builder setResponseJsonSchema(com.google.protobuf.Value value) {
+      if (responseJsonSchemaBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        responseJsonSchema_ = value;
+      } else {
+        responseJsonSchemaBuilder_.setMessage(value);
       }
-      checkByteStringIsUtf8(value);
-      ensureStopSequencesIsMutable();
-      stopSequences_.add(value);
-      bitField0_ |= 0x00000020;
+      bitField0_ |= 0x00002000;
       onChanged();
       return this;
     }
 
-    private boolean responseLogprobs_;
-
     /**
      *
      *
      * <pre>
-     * Optional. If true, export the logprobs results in response.
+     * Optional. Output schema of the generated response. This is an alternative
+     * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+     *
+     * If set, `response_schema` must be omitted, but `response_mime_type` is
+     * required.
+     *
+     * While the full JSON Schema may be sent, not all features are supported.
+     * Specifically, only the following properties are supported:
+     *
+     * - `$id`
+     * - `$defs`
+     * - `$ref`
+     * - `$anchor`
+     * - `type`
+     * - `format`
+     * - `title`
+     * - `description`
+     * - `enum` (for strings and numbers)
+     * - `items`
+     * - `prefixItems`
+     * - `minItems`
+     * - `maxItems`
+     * - `minimum`
+     * - `maximum`
+     * - `anyOf`
+     * - `oneOf` (interpreted the same as `anyOf`)
+     * - `properties`
+     * - `additionalProperties`
+     * - `required`
+     *
+     * The non-standard `propertyOrdering` property may also be set.
+     *
+     * Cyclic references are unrolled to a limited degree and, as such, may only
+     * be used within non-required properties. (Nullable properties are not
+     * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+     * for than those starting as a `$`, may be set.
      * </pre>
      *
-     * <code>optional bool response_logprobs = 18 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return Whether the responseLogprobs field is set.
+     * <code>
+     * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    @java.lang.Override
-    public boolean hasResponseLogprobs() {
-      return ((bitField0_ & 0x00000040) != 0);
+    public Builder setResponseJsonSchema(com.google.protobuf.Value.Builder builderForValue) {
+      if (responseJsonSchemaBuilder_ == null) {
+        responseJsonSchema_ = builderForValue.build();
+      } else {
+        responseJsonSchemaBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00002000;
+      onChanged();
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. If true, export the logprobs results in response.
+     * Optional. Output schema of the generated response. This is an alternative
+     * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+     *
+     * If set, `response_schema` must be omitted, but `response_mime_type` is
+     * required.
+     *
+     * While the full JSON Schema may be sent, not all features are supported.
+     * Specifically, only the following properties are supported:
+     *
+     * - `$id`
+     * - `$defs`
+     * - `$ref`
+     * - `$anchor`
+     * - `type`
+     * - `format`
+     * - `title`
+     * - `description`
+     * - `enum` (for strings and numbers)
+     * - `items`
+     * - `prefixItems`
+     * - `minItems`
+     * - `maxItems`
+     * - `minimum`
+     * - `maximum`
+     * - `anyOf`
+     * - `oneOf` (interpreted the same as `anyOf`)
+     * - `properties`
+     * - `additionalProperties`
+     * - `required`
+     *
+     * The non-standard `propertyOrdering` property may also be set.
+     *
+     * Cyclic references are unrolled to a limited degree and, as such, may only
+     * be used within non-required properties. (Nullable properties are not
+     * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+     * for than those starting as a `$`, may be set.
      * </pre>
      *
-     * <code>optional bool response_logprobs = 18 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return The responseLogprobs.
+     * <code>
+     * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    @java.lang.Override
-    public boolean getResponseLogprobs() {
-      return responseLogprobs_;
+    public Builder mergeResponseJsonSchema(com.google.protobuf.Value value) {
+      if (responseJsonSchemaBuilder_ == null) {
+        if (((bitField0_ & 0x00002000) != 0)
+            && responseJsonSchema_ != null
+            && responseJsonSchema_ != com.google.protobuf.Value.getDefaultInstance()) {
+          getResponseJsonSchemaBuilder().mergeFrom(value);
+        } else {
+          responseJsonSchema_ = value;
+        }
+      } else {
+        responseJsonSchemaBuilder_.mergeFrom(value);
+      }
+      if (responseJsonSchema_ != null) {
+        bitField0_ |= 0x00002000;
+        onChanged();
+      }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. If true, export the logprobs results in response.
+     * Optional. Output schema of the generated response. This is an alternative
+     * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+     *
+     * If set, `response_schema` must be omitted, but `response_mime_type` is
+     * required.
+     *
+     * While the full JSON Schema may be sent, not all features are supported.
+     * Specifically, only the following properties are supported:
+     *
+     * - `$id`
+     * - `$defs`
+     * - `$ref`
+     * - `$anchor`
+     * - `type`
+     * - `format`
+     * - `title`
+     * - `description`
+     * - `enum` (for strings and numbers)
+     * - `items`
+     * - `prefixItems`
+     * - `minItems`
+     * - `maxItems`
+     * - `minimum`
+     * - `maximum`
+     * - `anyOf`
+     * - `oneOf` (interpreted the same as `anyOf`)
+     * - `properties`
+     * - `additionalProperties`
+     * - `required`
+     *
+     * The non-standard `propertyOrdering` property may also be set.
+     *
+     * Cyclic references are unrolled to a limited degree and, as such, may only
+     * be used within non-required properties. (Nullable properties are not
+     * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+     * for than those starting as a `$`, may be set.
      * </pre>
      *
-     * <code>optional bool response_logprobs = 18 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @param value The responseLogprobs to set.
-     * @return This builder for chaining.
+     * <code>
+     * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder setResponseLogprobs(boolean value) {
-
-      responseLogprobs_ = value;
-      bitField0_ |= 0x00000040;
+    public Builder clearResponseJsonSchema() {
+      bitField0_ = (bitField0_ & ~0x00002000);
+      responseJsonSchema_ = null;
+      if (responseJsonSchemaBuilder_ != null) {
+        responseJsonSchemaBuilder_.dispose();
+        responseJsonSchemaBuilder_ = null;
+      }
       onChanged();
       return this;
     }
@@ -5069,142 +7224,265 @@ public Builder setResponseLogprobs(boolean value) {
      *
      *
      * <pre>
-     * Optional. If true, export the logprobs results in response.
+     * Optional. Output schema of the generated response. This is an alternative
+     * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+     *
+     * If set, `response_schema` must be omitted, but `response_mime_type` is
+     * required.
+     *
+     * While the full JSON Schema may be sent, not all features are supported.
+     * Specifically, only the following properties are supported:
+     *
+     * - `$id`
+     * - `$defs`
+     * - `$ref`
+     * - `$anchor`
+     * - `type`
+     * - `format`
+     * - `title`
+     * - `description`
+     * - `enum` (for strings and numbers)
+     * - `items`
+     * - `prefixItems`
+     * - `minItems`
+     * - `maxItems`
+     * - `minimum`
+     * - `maximum`
+     * - `anyOf`
+     * - `oneOf` (interpreted the same as `anyOf`)
+     * - `properties`
+     * - `additionalProperties`
+     * - `required`
+     *
+     * The non-standard `propertyOrdering` property may also be set.
+     *
+     * Cyclic references are unrolled to a limited degree and, as such, may only
+     * be used within non-required properties. (Nullable properties are not
+     * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+     * for than those starting as a `$`, may be set.
      * </pre>
      *
-     * <code>optional bool response_logprobs = 18 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return This builder for chaining.
+     * <code>
+     * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder clearResponseLogprobs() {
-      bitField0_ = (bitField0_ & ~0x00000040);
-      responseLogprobs_ = false;
+    public com.google.protobuf.Value.Builder getResponseJsonSchemaBuilder() {
+      bitField0_ |= 0x00002000;
       onChanged();
-      return this;
+      return internalGetResponseJsonSchemaFieldBuilder().getBuilder();
     }
 
-    private int logprobs_;
-
     /**
      *
      *
      * <pre>
-     * Optional. Logit probabilities.
+     * Optional. Output schema of the generated response. This is an alternative
+     * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+     *
+     * If set, `response_schema` must be omitted, but `response_mime_type` is
+     * required.
+     *
+     * While the full JSON Schema may be sent, not all features are supported.
+     * Specifically, only the following properties are supported:
+     *
+     * - `$id`
+     * - `$defs`
+     * - `$ref`
+     * - `$anchor`
+     * - `type`
+     * - `format`
+     * - `title`
+     * - `description`
+     * - `enum` (for strings and numbers)
+     * - `items`
+     * - `prefixItems`
+     * - `minItems`
+     * - `maxItems`
+     * - `minimum`
+     * - `maximum`
+     * - `anyOf`
+     * - `oneOf` (interpreted the same as `anyOf`)
+     * - `properties`
+     * - `additionalProperties`
+     * - `required`
+     *
+     * The non-standard `propertyOrdering` property may also be set.
+     *
+     * Cyclic references are unrolled to a limited degree and, as such, may only
+     * be used within non-required properties. (Nullable properties are not
+     * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+     * for than those starting as a `$`, may be set.
      * </pre>
      *
-     * <code>optional int32 logprobs = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return Whether the logprobs field is set.
+     * <code>
+     * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    @java.lang.Override
-    public boolean hasLogprobs() {
-      return ((bitField0_ & 0x00000080) != 0);
+    public com.google.protobuf.ValueOrBuilder getResponseJsonSchemaOrBuilder() {
+      if (responseJsonSchemaBuilder_ != null) {
+        return responseJsonSchemaBuilder_.getMessageOrBuilder();
+      } else {
+        return responseJsonSchema_ == null
+            ? com.google.protobuf.Value.getDefaultInstance()
+            : responseJsonSchema_;
+      }
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Logit probabilities.
+     * Optional. Output schema of the generated response. This is an alternative
+     * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+     *
+     * If set, `response_schema` must be omitted, but `response_mime_type` is
+     * required.
+     *
+     * While the full JSON Schema may be sent, not all features are supported.
+     * Specifically, only the following properties are supported:
+     *
+     * - `$id`
+     * - `$defs`
+     * - `$ref`
+     * - `$anchor`
+     * - `type`
+     * - `format`
+     * - `title`
+     * - `description`
+     * - `enum` (for strings and numbers)
+     * - `items`
+     * - `prefixItems`
+     * - `minItems`
+     * - `maxItems`
+     * - `minimum`
+     * - `maximum`
+     * - `anyOf`
+     * - `oneOf` (interpreted the same as `anyOf`)
+     * - `properties`
+     * - `additionalProperties`
+     * - `required`
+     *
+     * The non-standard `propertyOrdering` property may also be set.
+     *
+     * Cyclic references are unrolled to a limited degree and, as such, may only
+     * be used within non-required properties. (Nullable properties are not
+     * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+     * for than those starting as a `$`, may be set.
      * </pre>
      *
-     * <code>optional int32 logprobs = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return The logprobs.
+     * <code>
+     * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    @java.lang.Override
-    public int getLogprobs() {
-      return logprobs_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Value,
+            com.google.protobuf.Value.Builder,
+            com.google.protobuf.ValueOrBuilder>
+        internalGetResponseJsonSchemaFieldBuilder() {
+      if (responseJsonSchemaBuilder_ == null) {
+        responseJsonSchemaBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.Value,
+                com.google.protobuf.Value.Builder,
+                com.google.protobuf.ValueOrBuilder>(
+                getResponseJsonSchema(), getParentForChildren(), isClean());
+        responseJsonSchema_ = null;
+      }
+      return responseJsonSchemaBuilder_;
     }
 
-    /**
-     *
-     *
-     * <pre>
-     * Optional. Logit probabilities.
-     * </pre>
-     *
-     * <code>optional int32 logprobs = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @param value The logprobs to set.
-     * @return This builder for chaining.
-     */
-    public Builder setLogprobs(int value) {
-
-      logprobs_ = value;
-      bitField0_ |= 0x00000080;
-      onChanged();
-      return this;
-    }
+    private com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig routingConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig,
+            com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.Builder,
+            com.google.cloud.vertexai.api.GenerationConfig.RoutingConfigOrBuilder>
+        routingConfigBuilder_;
 
     /**
      *
      *
      * <pre>
-     * Optional. Logit probabilities.
+     * Optional. Routing configuration.
      * </pre>
      *
-     * <code>optional int32 logprobs = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>
+     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      *
-     * @return This builder for chaining.
+     * @return Whether the routingConfig field is set.
      */
-    public Builder clearLogprobs() {
-      bitField0_ = (bitField0_ & ~0x00000080);
-      logprobs_ = 0;
-      onChanged();
-      return this;
+    public boolean hasRoutingConfig() {
+      return ((bitField0_ & 0x00004000) != 0);
     }
 
-    private float presencePenalty_;
-
     /**
      *
      *
      * <pre>
-     * Optional. Positive penalties.
+     * Optional. Routing configuration.
      * </pre>
      *
-     * <code>optional float presence_penalty = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>
+     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      *
-     * @return Whether the presencePenalty field is set.
+     * @return The routingConfig.
      */
-    @java.lang.Override
-    public boolean hasPresencePenalty() {
-      return ((bitField0_ & 0x00000100) != 0);
+    public com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig getRoutingConfig() {
+      if (routingConfigBuilder_ == null) {
+        return routingConfig_ == null
+            ? com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.getDefaultInstance()
+            : routingConfig_;
+      } else {
+        return routingConfigBuilder_.getMessage();
+      }
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Positive penalties.
+     * Optional. Routing configuration.
      * </pre>
      *
-     * <code>optional float presence_penalty = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return The presencePenalty.
+     * <code>
+     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    @java.lang.Override
-    public float getPresencePenalty() {
-      return presencePenalty_;
+    public Builder setRoutingConfig(
+        com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig value) {
+      if (routingConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        routingConfig_ = value;
+      } else {
+        routingConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00004000;
+      onChanged();
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Positive penalties.
+     * Optional. Routing configuration.
      * </pre>
      *
-     * <code>optional float presence_penalty = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @param value The presencePenalty to set.
-     * @return This builder for chaining.
-     */
-    public Builder setPresencePenalty(float value) {
-
-      presencePenalty_ = value;
-      bitField0_ |= 0x00000100;
+     * <code>
+     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setRoutingConfig(
+        com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.Builder builderForValue) {
+      if (routingConfigBuilder_ == null) {
+        routingConfig_ = builderForValue.build();
+      } else {
+        routingConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00004000;
       onChanged();
       return this;
     }
@@ -5213,142 +7491,193 @@ public Builder setPresencePenalty(float value) {
      *
      *
      * <pre>
-     * Optional. Positive penalties.
+     * Optional. Routing configuration.
      * </pre>
      *
-     * <code>optional float presence_penalty = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return This builder for chaining.
+     * <code>
+     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder clearPresencePenalty() {
-      bitField0_ = (bitField0_ & ~0x00000100);
-      presencePenalty_ = 0F;
-      onChanged();
+    public Builder mergeRoutingConfig(
+        com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig value) {
+      if (routingConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00004000) != 0)
+            && routingConfig_ != null
+            && routingConfig_
+                != com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig
+                    .getDefaultInstance()) {
+          getRoutingConfigBuilder().mergeFrom(value);
+        } else {
+          routingConfig_ = value;
+        }
+      } else {
+        routingConfigBuilder_.mergeFrom(value);
+      }
+      if (routingConfig_ != null) {
+        bitField0_ |= 0x00004000;
+        onChanged();
+      }
       return this;
     }
 
-    private float frequencyPenalty_;
-
     /**
      *
      *
      * <pre>
-     * Optional. Frequency penalties.
+     * Optional. Routing configuration.
      * </pre>
      *
-     * <code>optional float frequency_penalty = 9 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return Whether the frequencyPenalty field is set.
+     * <code>
+     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    @java.lang.Override
-    public boolean hasFrequencyPenalty() {
-      return ((bitField0_ & 0x00000200) != 0);
+    public Builder clearRoutingConfig() {
+      bitField0_ = (bitField0_ & ~0x00004000);
+      routingConfig_ = null;
+      if (routingConfigBuilder_ != null) {
+        routingConfigBuilder_.dispose();
+        routingConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Frequency penalties.
+     * Optional. Routing configuration.
      * </pre>
      *
-     * <code>optional float frequency_penalty = 9 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return The frequencyPenalty.
+     * <code>
+     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    @java.lang.Override
-    public float getFrequencyPenalty() {
-      return frequencyPenalty_;
+    public com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.Builder
+        getRoutingConfigBuilder() {
+      bitField0_ |= 0x00004000;
+      onChanged();
+      return internalGetRoutingConfigFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Frequency penalties.
+     * Optional. Routing configuration.
      * </pre>
      *
-     * <code>optional float frequency_penalty = 9 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @param value The frequencyPenalty to set.
-     * @return This builder for chaining.
+     * <code>
+     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder setFrequencyPenalty(float value) {
-
-      frequencyPenalty_ = value;
-      bitField0_ |= 0x00000200;
-      onChanged();
-      return this;
+    public com.google.cloud.vertexai.api.GenerationConfig.RoutingConfigOrBuilder
+        getRoutingConfigOrBuilder() {
+      if (routingConfigBuilder_ != null) {
+        return routingConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return routingConfig_ == null
+            ? com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.getDefaultInstance()
+            : routingConfig_;
+      }
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Frequency penalties.
+     * Optional. Routing configuration.
      * </pre>
      *
-     * <code>optional float frequency_penalty = 9 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return This builder for chaining.
+     * <code>
+     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder clearFrequencyPenalty() {
-      bitField0_ = (bitField0_ & ~0x00000200);
-      frequencyPenalty_ = 0F;
-      onChanged();
-      return this;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig,
+            com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.Builder,
+            com.google.cloud.vertexai.api.GenerationConfig.RoutingConfigOrBuilder>
+        internalGetRoutingConfigFieldBuilder() {
+      if (routingConfigBuilder_ == null) {
+        routingConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig,
+                com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.Builder,
+                com.google.cloud.vertexai.api.GenerationConfig.RoutingConfigOrBuilder>(
+                getRoutingConfig(), getParentForChildren(), isClean());
+        routingConfig_ = null;
+      }
+      return routingConfigBuilder_;
     }
 
-    private int seed_;
+    private com.google.cloud.vertexai.api.SpeechConfig speechConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.SpeechConfig,
+            com.google.cloud.vertexai.api.SpeechConfig.Builder,
+            com.google.cloud.vertexai.api.SpeechConfigOrBuilder>
+        speechConfigBuilder_;
 
     /**
      *
      *
      * <pre>
-     * Optional. Seed.
+     * Optional. The speech generation config.
      * </pre>
      *
-     * <code>optional int32 seed = 12 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>
+     * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      *
-     * @return Whether the seed field is set.
+     * @return Whether the speechConfig field is set.
      */
-    @java.lang.Override
-    public boolean hasSeed() {
-      return ((bitField0_ & 0x00000400) != 0);
+    public boolean hasSpeechConfig() {
+      return ((bitField0_ & 0x00008000) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Seed.
+     * Optional. The speech generation config.
      * </pre>
      *
-     * <code>optional int32 seed = 12 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * <code>
+     * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      *
-     * @return The seed.
+     * @return The speechConfig.
      */
-    @java.lang.Override
-    public int getSeed() {
-      return seed_;
+    public com.google.cloud.vertexai.api.SpeechConfig getSpeechConfig() {
+      if (speechConfigBuilder_ == null) {
+        return speechConfig_ == null
+            ? com.google.cloud.vertexai.api.SpeechConfig.getDefaultInstance()
+            : speechConfig_;
+      } else {
+        return speechConfigBuilder_.getMessage();
+      }
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Seed.
+     * Optional. The speech generation config.
      * </pre>
      *
-     * <code>optional int32 seed = 12 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @param value The seed to set.
-     * @return This builder for chaining.
+     * <code>
+     * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder setSeed(int value) {
-
-      seed_ = value;
-      bitField0_ |= 0x00000400;
+    public Builder setSpeechConfig(com.google.cloud.vertexai.api.SpeechConfig value) {
+      if (speechConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        speechConfig_ = value;
+      } else {
+        speechConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00008000;
       onChanged();
       return this;
     }
@@ -5357,217 +7686,191 @@ public Builder setSeed(int value) {
      *
      *
      * <pre>
-     * Optional. Seed.
+     * Optional. The speech generation config.
      * </pre>
      *
-     * <code>optional int32 seed = 12 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return This builder for chaining.
+     * <code>
+     * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder clearSeed() {
-      bitField0_ = (bitField0_ & ~0x00000400);
-      seed_ = 0;
+    public Builder setSpeechConfig(
+        com.google.cloud.vertexai.api.SpeechConfig.Builder builderForValue) {
+      if (speechConfigBuilder_ == null) {
+        speechConfig_ = builderForValue.build();
+      } else {
+        speechConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00008000;
       onChanged();
       return this;
     }
 
-    private java.lang.Object responseMimeType_ = "";
-
     /**
      *
      *
      * <pre>
-     * Optional. Output response mimetype of the generated candidate text.
-     * Supported mimetype:
-     * - `text/plain`: (default) Text output.
-     * - `application/json`: JSON response in the candidates.
-     * The model needs to be prompted to output the appropriate response type,
-     * otherwise the behavior is undefined.
-     * This is a preview feature.
+     * Optional. The speech generation config.
      * </pre>
      *
-     * <code>string response_mime_type = 13 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return The responseMimeType.
+     * <code>
+     * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public java.lang.String getResponseMimeType() {
-      java.lang.Object ref = responseMimeType_;
-      if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-        java.lang.String s = bs.toStringUtf8();
-        responseMimeType_ = s;
-        return s;
+    public Builder mergeSpeechConfig(com.google.cloud.vertexai.api.SpeechConfig value) {
+      if (speechConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00008000) != 0)
+            && speechConfig_ != null
+            && speechConfig_ != com.google.cloud.vertexai.api.SpeechConfig.getDefaultInstance()) {
+          getSpeechConfigBuilder().mergeFrom(value);
+        } else {
+          speechConfig_ = value;
+        }
       } else {
-        return (java.lang.String) ref;
+        speechConfigBuilder_.mergeFrom(value);
+      }
+      if (speechConfig_ != null) {
+        bitField0_ |= 0x00008000;
+        onChanged();
       }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Output response mimetype of the generated candidate text.
-     * Supported mimetype:
-     * - `text/plain`: (default) Text output.
-     * - `application/json`: JSON response in the candidates.
-     * The model needs to be prompted to output the appropriate response type,
-     * otherwise the behavior is undefined.
-     * This is a preview feature.
+     * Optional. The speech generation config.
      * </pre>
      *
-     * <code>string response_mime_type = 13 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return The bytes for responseMimeType.
+     * <code>
+     * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public com.google.protobuf.ByteString getResponseMimeTypeBytes() {
-      java.lang.Object ref = responseMimeType_;
-      if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-        responseMimeType_ = b;
-        return b;
-      } else {
-        return (com.google.protobuf.ByteString) ref;
+    public Builder clearSpeechConfig() {
+      bitField0_ = (bitField0_ & ~0x00008000);
+      speechConfig_ = null;
+      if (speechConfigBuilder_ != null) {
+        speechConfigBuilder_.dispose();
+        speechConfigBuilder_ = null;
       }
+      onChanged();
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Output response mimetype of the generated candidate text.
-     * Supported mimetype:
-     * - `text/plain`: (default) Text output.
-     * - `application/json`: JSON response in the candidates.
-     * The model needs to be prompted to output the appropriate response type,
-     * otherwise the behavior is undefined.
-     * This is a preview feature.
+     * Optional. The speech generation config.
      * </pre>
      *
-     * <code>string response_mime_type = 13 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @param value The responseMimeType to set.
-     * @return This builder for chaining.
+     * <code>
+     * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder setResponseMimeType(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
-      responseMimeType_ = value;
-      bitField0_ |= 0x00000800;
+    public com.google.cloud.vertexai.api.SpeechConfig.Builder getSpeechConfigBuilder() {
+      bitField0_ |= 0x00008000;
       onChanged();
-      return this;
+      return internalGetSpeechConfigFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Output response mimetype of the generated candidate text.
-     * Supported mimetype:
-     * - `text/plain`: (default) Text output.
-     * - `application/json`: JSON response in the candidates.
-     * The model needs to be prompted to output the appropriate response type,
-     * otherwise the behavior is undefined.
-     * This is a preview feature.
+     * Optional. The speech generation config.
      * </pre>
      *
-     * <code>string response_mime_type = 13 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @return This builder for chaining.
-     */
-    public Builder clearResponseMimeType() {
-      responseMimeType_ = getDefaultInstance().getResponseMimeType();
-      bitField0_ = (bitField0_ & ~0x00000800);
-      onChanged();
-      return this;
+     * <code>
+     * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.SpeechConfigOrBuilder getSpeechConfigOrBuilder() {
+      if (speechConfigBuilder_ != null) {
+        return speechConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return speechConfig_ == null
+            ? com.google.cloud.vertexai.api.SpeechConfig.getDefaultInstance()
+            : speechConfig_;
+      }
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Output response mimetype of the generated candidate text.
-     * Supported mimetype:
-     * - `text/plain`: (default) Text output.
-     * - `application/json`: JSON response in the candidates.
-     * The model needs to be prompted to output the appropriate response type,
-     * otherwise the behavior is undefined.
-     * This is a preview feature.
+     * Optional. The speech generation config.
      * </pre>
      *
-     * <code>string response_mime_type = 13 [(.google.api.field_behavior) = OPTIONAL];</code>
-     *
-     * @param value The bytes for responseMimeType to set.
-     * @return This builder for chaining.
+     * <code>
+     * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder setResponseMimeTypeBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
-      checkByteStringIsUtf8(value);
-      responseMimeType_ = value;
-      bitField0_ |= 0x00000800;
-      onChanged();
-      return this;
-    }
-
-    private com.google.cloud.vertexai.api.Schema responseSchema_;
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.Schema,
-            com.google.cloud.vertexai.api.Schema.Builder,
-            com.google.cloud.vertexai.api.SchemaOrBuilder>
-        responseSchemaBuilder_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.SpeechConfig,
+            com.google.cloud.vertexai.api.SpeechConfig.Builder,
+            com.google.cloud.vertexai.api.SpeechConfigOrBuilder>
+        internalGetSpeechConfigFieldBuilder() {
+      if (speechConfigBuilder_ == null) {
+        speechConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.SpeechConfig,
+                com.google.cloud.vertexai.api.SpeechConfig.Builder,
+                com.google.cloud.vertexai.api.SpeechConfigOrBuilder>(
+                getSpeechConfig(), getParentForChildren(), isClean());
+        speechConfig_ = null;
+      }
+      return speechConfigBuilder_;
+    }
+
+    private com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig thinkingConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig,
+            com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.Builder,
+            com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfigOrBuilder>
+        thinkingConfigBuilder_;
 
     /**
      *
      *
      * <pre>
-     * Optional. The `Schema` object allows the definition of input and output
-     * data types. These types can be objects, but also primitives and arrays.
-     * Represents a select subset of an [OpenAPI 3.0 schema
-     * object](https://spec.openapis.org/oas/v3.0.3#schema).
-     * If set, a compatible response_mime_type must also be set.
-     * Compatible mimetypes:
-     * `application/json`: Schema for JSON response.
+     * Optional. Config for thinking features.
+     * An error will be returned if this field is set for models that don't
+     * support thinking.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return Whether the responseSchema field is set.
+     * @return Whether the thinkingConfig field is set.
      */
-    public boolean hasResponseSchema() {
-      return ((bitField0_ & 0x00001000) != 0);
+    public boolean hasThinkingConfig() {
+      return ((bitField0_ & 0x00010000) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. The `Schema` object allows the definition of input and output
-     * data types. These types can be objects, but also primitives and arrays.
-     * Represents a select subset of an [OpenAPI 3.0 schema
-     * object](https://spec.openapis.org/oas/v3.0.3#schema).
-     * If set, a compatible response_mime_type must also be set.
-     * Compatible mimetypes:
-     * `application/json`: Schema for JSON response.
+     * Optional. Config for thinking features.
+     * An error will be returned if this field is set for models that don't
+     * support thinking.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return The responseSchema.
+     * @return The thinkingConfig.
      */
-    public com.google.cloud.vertexai.api.Schema getResponseSchema() {
-      if (responseSchemaBuilder_ == null) {
-        return responseSchema_ == null
-            ? com.google.cloud.vertexai.api.Schema.getDefaultInstance()
-            : responseSchema_;
+    public com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig getThinkingConfig() {
+      if (thinkingConfigBuilder_ == null) {
+        return thinkingConfig_ == null
+            ? com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.getDefaultInstance()
+            : thinkingConfig_;
       } else {
-        return responseSchemaBuilder_.getMessage();
+        return thinkingConfigBuilder_.getMessage();
       }
     }
 
@@ -5575,29 +7878,26 @@ public com.google.cloud.vertexai.api.Schema getResponseSchema() {
      *
      *
      * <pre>
-     * Optional. The `Schema` object allows the definition of input and output
-     * data types. These types can be objects, but also primitives and arrays.
-     * Represents a select subset of an [OpenAPI 3.0 schema
-     * object](https://spec.openapis.org/oas/v3.0.3#schema).
-     * If set, a compatible response_mime_type must also be set.
-     * Compatible mimetypes:
-     * `application/json`: Schema for JSON response.
+     * Optional. Config for thinking features.
+     * An error will be returned if this field is set for models that don't
+     * support thinking.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setResponseSchema(com.google.cloud.vertexai.api.Schema value) {
-      if (responseSchemaBuilder_ == null) {
+    public Builder setThinkingConfig(
+        com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig value) {
+      if (thinkingConfigBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
         }
-        responseSchema_ = value;
+        thinkingConfig_ = value;
       } else {
-        responseSchemaBuilder_.setMessage(value);
+        thinkingConfigBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00001000;
+      bitField0_ |= 0x00010000;
       onChanged();
       return this;
     }
@@ -5606,26 +7906,23 @@ public Builder setResponseSchema(com.google.cloud.vertexai.api.Schema value) {
      *
      *
      * <pre>
-     * Optional. The `Schema` object allows the definition of input and output
-     * data types. These types can be objects, but also primitives and arrays.
-     * Represents a select subset of an [OpenAPI 3.0 schema
-     * object](https://spec.openapis.org/oas/v3.0.3#schema).
-     * If set, a compatible response_mime_type must also be set.
-     * Compatible mimetypes:
-     * `application/json`: Schema for JSON response.
+     * Optional. Config for thinking features.
+     * An error will be returned if this field is set for models that don't
+     * support thinking.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setResponseSchema(com.google.cloud.vertexai.api.Schema.Builder builderForValue) {
-      if (responseSchemaBuilder_ == null) {
-        responseSchema_ = builderForValue.build();
+    public Builder setThinkingConfig(
+        com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.Builder builderForValue) {
+      if (thinkingConfigBuilder_ == null) {
+        thinkingConfig_ = builderForValue.build();
       } else {
-        responseSchemaBuilder_.setMessage(builderForValue.build());
+        thinkingConfigBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00001000;
+      bitField0_ |= 0x00010000;
       onChanged();
       return this;
     }
@@ -5634,33 +7931,32 @@ public Builder setResponseSchema(com.google.cloud.vertexai.api.Schema.Builder bu
      *
      *
      * <pre>
-     * Optional. The `Schema` object allows the definition of input and output
-     * data types. These types can be objects, but also primitives and arrays.
-     * Represents a select subset of an [OpenAPI 3.0 schema
-     * object](https://spec.openapis.org/oas/v3.0.3#schema).
-     * If set, a compatible response_mime_type must also be set.
-     * Compatible mimetypes:
-     * `application/json`: Schema for JSON response.
+     * Optional. Config for thinking features.
+     * An error will be returned if this field is set for models that don't
+     * support thinking.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder mergeResponseSchema(com.google.cloud.vertexai.api.Schema value) {
-      if (responseSchemaBuilder_ == null) {
-        if (((bitField0_ & 0x00001000) != 0)
-            && responseSchema_ != null
-            && responseSchema_ != com.google.cloud.vertexai.api.Schema.getDefaultInstance()) {
-          getResponseSchemaBuilder().mergeFrom(value);
+    public Builder mergeThinkingConfig(
+        com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig value) {
+      if (thinkingConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00010000) != 0)
+            && thinkingConfig_ != null
+            && thinkingConfig_
+                != com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig
+                    .getDefaultInstance()) {
+          getThinkingConfigBuilder().mergeFrom(value);
         } else {
-          responseSchema_ = value;
+          thinkingConfig_ = value;
         }
       } else {
-        responseSchemaBuilder_.mergeFrom(value);
+        thinkingConfigBuilder_.mergeFrom(value);
       }
-      if (responseSchema_ != null) {
-        bitField0_ |= 0x00001000;
+      if (thinkingConfig_ != null) {
+        bitField0_ |= 0x00010000;
         onChanged();
       }
       return this;
@@ -5670,25 +7966,21 @@ public Builder mergeResponseSchema(com.google.cloud.vertexai.api.Schema value) {
      *
      *
      * <pre>
-     * Optional. The `Schema` object allows the definition of input and output
-     * data types. These types can be objects, but also primitives and arrays.
-     * Represents a select subset of an [OpenAPI 3.0 schema
-     * object](https://spec.openapis.org/oas/v3.0.3#schema).
-     * If set, a compatible response_mime_type must also be set.
-     * Compatible mimetypes:
-     * `application/json`: Schema for JSON response.
+     * Optional. Config for thinking features.
+     * An error will be returned if this field is set for models that don't
+     * support thinking.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder clearResponseSchema() {
-      bitField0_ = (bitField0_ & ~0x00001000);
-      responseSchema_ = null;
-      if (responseSchemaBuilder_ != null) {
-        responseSchemaBuilder_.dispose();
-        responseSchemaBuilder_ = null;
+    public Builder clearThinkingConfig() {
+      bitField0_ = (bitField0_ & ~0x00010000);
+      thinkingConfig_ = null;
+      if (thinkingConfigBuilder_ != null) {
+        thinkingConfigBuilder_.dispose();
+        thinkingConfigBuilder_ = null;
       }
       onChanged();
       return this;
@@ -5698,49 +7990,43 @@ public Builder clearResponseSchema() {
      *
      *
      * <pre>
-     * Optional. The `Schema` object allows the definition of input and output
-     * data types. These types can be objects, but also primitives and arrays.
-     * Represents a select subset of an [OpenAPI 3.0 schema
-     * object](https://spec.openapis.org/oas/v3.0.3#schema).
-     * If set, a compatible response_mime_type must also be set.
-     * Compatible mimetypes:
-     * `application/json`: Schema for JSON response.
+     * Optional. Config for thinking features.
+     * An error will be returned if this field is set for models that don't
+     * support thinking.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.Schema.Builder getResponseSchemaBuilder() {
-      bitField0_ |= 0x00001000;
+    public com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.Builder
+        getThinkingConfigBuilder() {
+      bitField0_ |= 0x00010000;
       onChanged();
-      return getResponseSchemaFieldBuilder().getBuilder();
+      return internalGetThinkingConfigFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. The `Schema` object allows the definition of input and output
-     * data types. These types can be objects, but also primitives and arrays.
-     * Represents a select subset of an [OpenAPI 3.0 schema
-     * object](https://spec.openapis.org/oas/v3.0.3#schema).
-     * If set, a compatible response_mime_type must also be set.
-     * Compatible mimetypes:
-     * `application/json`: Schema for JSON response.
+     * Optional. Config for thinking features.
+     * An error will be returned if this field is set for models that don't
+     * support thinking.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.SchemaOrBuilder getResponseSchemaOrBuilder() {
-      if (responseSchemaBuilder_ != null) {
-        return responseSchemaBuilder_.getMessageOrBuilder();
+    public com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfigOrBuilder
+        getThinkingConfigOrBuilder() {
+      if (thinkingConfigBuilder_ != null) {
+        return thinkingConfigBuilder_.getMessageOrBuilder();
       } else {
-        return responseSchema_ == null
-            ? com.google.cloud.vertexai.api.Schema.getDefaultInstance()
-            : responseSchema_;
+        return thinkingConfig_ == null
+            ? com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.getDefaultInstance()
+            : thinkingConfig_;
       }
     }
 
@@ -5748,80 +8034,76 @@ public com.google.cloud.vertexai.api.SchemaOrBuilder getResponseSchemaOrBuilder(
      *
      *
      * <pre>
-     * Optional. The `Schema` object allows the definition of input and output
-     * data types. These types can be objects, but also primitives and arrays.
-     * Represents a select subset of an [OpenAPI 3.0 schema
-     * object](https://spec.openapis.org/oas/v3.0.3#schema).
-     * If set, a compatible response_mime_type must also be set.
-     * Compatible mimetypes:
-     * `application/json`: Schema for JSON response.
+     * Optional. Config for thinking features.
+     * An error will be returned if this field is set for models that don't
+     * support thinking.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.Schema response_schema = 16 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.Schema,
-            com.google.cloud.vertexai.api.Schema.Builder,
-            com.google.cloud.vertexai.api.SchemaOrBuilder>
-        getResponseSchemaFieldBuilder() {
-      if (responseSchemaBuilder_ == null) {
-        responseSchemaBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.vertexai.api.Schema,
-                com.google.cloud.vertexai.api.Schema.Builder,
-                com.google.cloud.vertexai.api.SchemaOrBuilder>(
-                getResponseSchema(), getParentForChildren(), isClean());
-        responseSchema_ = null;
-      }
-      return responseSchemaBuilder_;
-    }
-
-    private com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig routingConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig,
-            com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.Builder,
-            com.google.cloud.vertexai.api.GenerationConfig.RoutingConfigOrBuilder>
-        routingConfigBuilder_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig,
+            com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.Builder,
+            com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfigOrBuilder>
+        internalGetThinkingConfigFieldBuilder() {
+      if (thinkingConfigBuilder_ == null) {
+        thinkingConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig,
+                com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig.Builder,
+                com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfigOrBuilder>(
+                getThinkingConfig(), getParentForChildren(), isClean());
+        thinkingConfig_ = null;
+      }
+      return thinkingConfigBuilder_;
+    }
+
+    private com.google.cloud.vertexai.api.ImageConfig imageConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.ImageConfig,
+            com.google.cloud.vertexai.api.ImageConfig.Builder,
+            com.google.cloud.vertexai.api.ImageConfigOrBuilder>
+        imageConfigBuilder_;
 
     /**
      *
      *
      * <pre>
-     * Optional. Routing configuration.
+     * Optional. Config for image generation features.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return Whether the routingConfig field is set.
+     * @return Whether the imageConfig field is set.
      */
-    public boolean hasRoutingConfig() {
-      return ((bitField0_ & 0x00002000) != 0);
+    public boolean hasImageConfig() {
+      return ((bitField0_ & 0x00020000) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Routing configuration.
+     * Optional. Config for image generation features.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return The routingConfig.
+     * @return The imageConfig.
      */
-    public com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig getRoutingConfig() {
-      if (routingConfigBuilder_ == null) {
-        return routingConfig_ == null
-            ? com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.getDefaultInstance()
-            : routingConfig_;
+    public com.google.cloud.vertexai.api.ImageConfig getImageConfig() {
+      if (imageConfigBuilder_ == null) {
+        return imageConfig_ == null
+            ? com.google.cloud.vertexai.api.ImageConfig.getDefaultInstance()
+            : imageConfig_;
       } else {
-        return routingConfigBuilder_.getMessage();
+        return imageConfigBuilder_.getMessage();
       }
     }
 
@@ -5829,24 +8111,23 @@ public com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig getRoutingCo
      *
      *
      * <pre>
-     * Optional. Routing configuration.
+     * Optional. Config for image generation features.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setRoutingConfig(
-        com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig value) {
-      if (routingConfigBuilder_ == null) {
+    public Builder setImageConfig(com.google.cloud.vertexai.api.ImageConfig value) {
+      if (imageConfigBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
         }
-        routingConfig_ = value;
+        imageConfig_ = value;
       } else {
-        routingConfigBuilder_.setMessage(value);
+        imageConfigBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00002000;
+      bitField0_ |= 0x00020000;
       onChanged();
       return this;
     }
@@ -5855,21 +8136,21 @@ public Builder setRoutingConfig(
      *
      *
      * <pre>
-     * Optional. Routing configuration.
+     * Optional. Config for image generation features.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setRoutingConfig(
-        com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.Builder builderForValue) {
-      if (routingConfigBuilder_ == null) {
-        routingConfig_ = builderForValue.build();
+    public Builder setImageConfig(
+        com.google.cloud.vertexai.api.ImageConfig.Builder builderForValue) {
+      if (imageConfigBuilder_ == null) {
+        imageConfig_ = builderForValue.build();
       } else {
-        routingConfigBuilder_.setMessage(builderForValue.build());
+        imageConfigBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00002000;
+      bitField0_ |= 0x00020000;
       onChanged();
       return this;
     }
@@ -5878,30 +8159,27 @@ public Builder setRoutingConfig(
      *
      *
      * <pre>
-     * Optional. Routing configuration.
+     * Optional. Config for image generation features.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder mergeRoutingConfig(
-        com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig value) {
-      if (routingConfigBuilder_ == null) {
-        if (((bitField0_ & 0x00002000) != 0)
-            && routingConfig_ != null
-            && routingConfig_
-                != com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig
-                    .getDefaultInstance()) {
-          getRoutingConfigBuilder().mergeFrom(value);
+    public Builder mergeImageConfig(com.google.cloud.vertexai.api.ImageConfig value) {
+      if (imageConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00020000) != 0)
+            && imageConfig_ != null
+            && imageConfig_ != com.google.cloud.vertexai.api.ImageConfig.getDefaultInstance()) {
+          getImageConfigBuilder().mergeFrom(value);
         } else {
-          routingConfig_ = value;
+          imageConfig_ = value;
         }
       } else {
-        routingConfigBuilder_.mergeFrom(value);
+        imageConfigBuilder_.mergeFrom(value);
       }
-      if (routingConfig_ != null) {
-        bitField0_ |= 0x00002000;
+      if (imageConfig_ != null) {
+        bitField0_ |= 0x00020000;
         onChanged();
       }
       return this;
@@ -5911,19 +8189,19 @@ public Builder mergeRoutingConfig(
      *
      *
      * <pre>
-     * Optional. Routing configuration.
+     * Optional. Config for image generation features.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder clearRoutingConfig() {
-      bitField0_ = (bitField0_ & ~0x00002000);
-      routingConfig_ = null;
-      if (routingConfigBuilder_ != null) {
-        routingConfigBuilder_.dispose();
-        routingConfigBuilder_ = null;
+    public Builder clearImageConfig() {
+      bitField0_ = (bitField0_ & ~0x00020000);
+      imageConfig_ = null;
+      if (imageConfigBuilder_ != null) {
+        imageConfigBuilder_.dispose();
+        imageConfigBuilder_ = null;
       }
       onChanged();
       return this;
@@ -5933,39 +8211,37 @@ public Builder clearRoutingConfig() {
      *
      *
      * <pre>
-     * Optional. Routing configuration.
+     * Optional. Config for image generation features.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.Builder
-        getRoutingConfigBuilder() {
-      bitField0_ |= 0x00002000;
+    public com.google.cloud.vertexai.api.ImageConfig.Builder getImageConfigBuilder() {
+      bitField0_ |= 0x00020000;
       onChanged();
-      return getRoutingConfigFieldBuilder().getBuilder();
+      return internalGetImageConfigFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Routing configuration.
+     * Optional. Config for image generation features.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.GenerationConfig.RoutingConfigOrBuilder
-        getRoutingConfigOrBuilder() {
-      if (routingConfigBuilder_ != null) {
-        return routingConfigBuilder_.getMessageOrBuilder();
+    public com.google.cloud.vertexai.api.ImageConfigOrBuilder getImageConfigOrBuilder() {
+      if (imageConfigBuilder_ != null) {
+        return imageConfigBuilder_.getMessageOrBuilder();
       } else {
-        return routingConfig_ == null
-            ? com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.getDefaultInstance()
-            : routingConfig_;
+        return imageConfig_ == null
+            ? com.google.cloud.vertexai.api.ImageConfig.getDefaultInstance()
+            : imageConfig_;
       }
     }
 
@@ -5973,39 +8249,28 @@ public Builder clearRoutingConfig() {
      *
      *
      * <pre>
-     * Optional. Routing configuration.
+     * Optional. Config for image generation features.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.GenerationConfig.RoutingConfig routing_config = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig,
-            com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.Builder,
-            com.google.cloud.vertexai.api.GenerationConfig.RoutingConfigOrBuilder>
-        getRoutingConfigFieldBuilder() {
-      if (routingConfigBuilder_ == null) {
-        routingConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig,
-                com.google.cloud.vertexai.api.GenerationConfig.RoutingConfig.Builder,
-                com.google.cloud.vertexai.api.GenerationConfig.RoutingConfigOrBuilder>(
-                getRoutingConfig(), getParentForChildren(), isClean());
-        routingConfig_ = null;
-      }
-      return routingConfigBuilder_;
-    }
-
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.ImageConfig,
+            com.google.cloud.vertexai.api.ImageConfig.Builder,
+            com.google.cloud.vertexai.api.ImageConfigOrBuilder>
+        internalGetImageConfigFieldBuilder() {
+      if (imageConfigBuilder_ == null) {
+        imageConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.ImageConfig,
+                com.google.cloud.vertexai.api.ImageConfig.Builder,
+                com.google.cloud.vertexai.api.ImageConfigOrBuilder>(
+                getImageConfig(), getParentForChildren(), isClean());
+        imageConfig_ = null;
+      }
+      return imageConfigBuilder_;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GenerationConfig)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerationConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerationConfigOrBuilder.java
index ece8453b7a72..366338bf997b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerationConfigOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerationConfigOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface GenerationConfigOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GenerationConfig)
@@ -437,6 +439,154 @@ public interface GenerationConfigOrBuilder
    */
   com.google.cloud.vertexai.api.SchemaOrBuilder getResponseSchemaOrBuilder();
 
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output schema of the generated response. This is an alternative
+   * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+   *
+   * If set, `response_schema` must be omitted, but `response_mime_type` is
+   * required.
+   *
+   * While the full JSON Schema may be sent, not all features are supported.
+   * Specifically, only the following properties are supported:
+   *
+   * - `$id`
+   * - `$defs`
+   * - `$ref`
+   * - `$anchor`
+   * - `type`
+   * - `format`
+   * - `title`
+   * - `description`
+   * - `enum` (for strings and numbers)
+   * - `items`
+   * - `prefixItems`
+   * - `minItems`
+   * - `maxItems`
+   * - `minimum`
+   * - `maximum`
+   * - `anyOf`
+   * - `oneOf` (interpreted the same as `anyOf`)
+   * - `properties`
+   * - `additionalProperties`
+   * - `required`
+   *
+   * The non-standard `propertyOrdering` property may also be set.
+   *
+   * Cyclic references are unrolled to a limited degree and, as such, may only
+   * be used within non-required properties. (Nullable properties are not
+   * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+   * for than those starting as a `$`, may be set.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the responseJsonSchema field is set.
+   */
+  boolean hasResponseJsonSchema();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output schema of the generated response. This is an alternative
+   * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+   *
+   * If set, `response_schema` must be omitted, but `response_mime_type` is
+   * required.
+   *
+   * While the full JSON Schema may be sent, not all features are supported.
+   * Specifically, only the following properties are supported:
+   *
+   * - `$id`
+   * - `$defs`
+   * - `$ref`
+   * - `$anchor`
+   * - `type`
+   * - `format`
+   * - `title`
+   * - `description`
+   * - `enum` (for strings and numbers)
+   * - `items`
+   * - `prefixItems`
+   * - `minItems`
+   * - `maxItems`
+   * - `minimum`
+   * - `maximum`
+   * - `anyOf`
+   * - `oneOf` (interpreted the same as `anyOf`)
+   * - `properties`
+   * - `additionalProperties`
+   * - `required`
+   *
+   * The non-standard `propertyOrdering` property may also be set.
+   *
+   * Cyclic references are unrolled to a limited degree and, as such, may only
+   * be used within non-required properties. (Nullable properties are not
+   * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+   * for than those starting as a `$`, may be set.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The responseJsonSchema.
+   */
+  com.google.protobuf.Value getResponseJsonSchema();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output schema of the generated response. This is an alternative
+   * to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+   *
+   * If set, `response_schema` must be omitted, but `response_mime_type` is
+   * required.
+   *
+   * While the full JSON Schema may be sent, not all features are supported.
+   * Specifically, only the following properties are supported:
+   *
+   * - `$id`
+   * - `$defs`
+   * - `$ref`
+   * - `$anchor`
+   * - `type`
+   * - `format`
+   * - `title`
+   * - `description`
+   * - `enum` (for strings and numbers)
+   * - `items`
+   * - `prefixItems`
+   * - `minItems`
+   * - `maxItems`
+   * - `minimum`
+   * - `maximum`
+   * - `anyOf`
+   * - `oneOf` (interpreted the same as `anyOf`)
+   * - `properties`
+   * - `additionalProperties`
+   * - `required`
+   *
+   * The non-standard `propertyOrdering` property may also be set.
+   *
+   * Cyclic references are unrolled to a limited degree and, as such, may only
+   * be used within non-required properties. (Nullable properties are not
+   * sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+   * for than those starting as a `$`, may be set.
+   * </pre>
+   *
+   * <code>
+   * optional .google.protobuf.Value response_json_schema = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.protobuf.ValueOrBuilder getResponseJsonSchemaOrBuilder();
+
   /**
    *
    *
@@ -479,4 +629,140 @@ public interface GenerationConfigOrBuilder
    * </code>
    */
   com.google.cloud.vertexai.api.GenerationConfig.RoutingConfigOrBuilder getRoutingConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The speech generation config.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the speechConfig field is set.
+   */
+  boolean hasSpeechConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The speech generation config.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The speechConfig.
+   */
+  com.google.cloud.vertexai.api.SpeechConfig getSpeechConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The speech generation config.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.SpeechConfig speech_config = 23 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.SpeechConfigOrBuilder getSpeechConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Config for thinking features.
+   * An error will be returned if this field is set for models that don't
+   * support thinking.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the thinkingConfig field is set.
+   */
+  boolean hasThinkingConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Config for thinking features.
+   * An error will be returned if this field is set for models that don't
+   * support thinking.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The thinkingConfig.
+   */
+  com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfig getThinkingConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Config for thinking features.
+   * An error will be returned if this field is set for models that don't
+   * support thinking.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GenerationConfig.ThinkingConfig thinking_config = 25 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.GenerationConfig.ThinkingConfigOrBuilder
+      getThinkingConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Config for image generation features.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the imageConfig field is set.
+   */
+  boolean hasImageConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Config for image generation features.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The imageConfig.
+   */
+  com.google.cloud.vertexai.api.ImageConfig getImageConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Config for image generation features.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.ImageConfig image_config = 30 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.ImageConfigOrBuilder getImageConfigOrBuilder();
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenericOperationMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenericOperationMetadata.java
index 00a793a2e89d..eff78546af75 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenericOperationMetadata.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenericOperationMetadata.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/operation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.GenericOperationMetadata}
  */
-public final class GenericOperationMetadata extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class GenericOperationMetadata extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GenericOperationMetadata)
     GenericOperationMetadataOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "GenericOperationMetadata");
+  }
+
   // Use GenericOperationMetadata.newBuilder() to construct.
-  private GenericOperationMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private GenericOperationMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private GenericOperationMetadata() {
     partialFailures_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new GenericOperationMetadata();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.OperationProto
         .internal_static_google_cloud_vertexai_v1_GenericOperationMetadata_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.OperationProto
         .internal_static_google_cloud_vertexai_v1_GenericOperationMetadata_fieldAccessorTable
@@ -407,38 +413,38 @@ public static com.google.cloud.vertexai.api.GenericOperationMetadata parseFrom(
 
   public static com.google.cloud.vertexai.api.GenericOperationMetadata parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GenericOperationMetadata parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GenericOperationMetadata parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GenericOperationMetadata parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GenericOperationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GenericOperationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -462,7 +468,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -476,7 +482,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GenericOperationMetadata}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GenericOperationMetadata)
       com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder {
@@ -486,7 +492,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.OperationProto
           .internal_static_google_cloud_vertexai_v1_GenericOperationMetadata_fieldAccessorTable
@@ -500,16 +506,16 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getPartialFailuresFieldBuilder();
-        getCreateTimeFieldBuilder();
-        getUpdateTimeFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetPartialFailuresFieldBuilder();
+        internalGetCreateTimeFieldBuilder();
+        internalGetUpdateTimeFieldBuilder();
       }
     }
 
@@ -596,39 +602,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.GenericOperationMetadat
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.GenericOperationMetadata) {
@@ -661,8 +634,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.GenericOperationMetadata
             partialFailures_ = other.partialFailures_;
             bitField0_ = (bitField0_ & ~0x00000001);
             partialFailuresBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getPartialFailuresFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetPartialFailuresFieldBuilder()
                     : null;
           } else {
             partialFailuresBuilder_.addAllMessages(other.partialFailures_);
@@ -715,13 +688,15 @@ public Builder mergeFrom(
               } // case 10
             case 18:
               {
-                input.readMessage(getCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
             case 26:
               {
-                input.readMessage(getUpdateTimeFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetUpdateTimeFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 26
@@ -754,7 +729,7 @@ private void ensurePartialFailuresIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.rpc.Status, com.google.rpc.Status.Builder, com.google.rpc.StatusOrBuilder>
         partialFailuresBuilder_;
 
@@ -1074,7 +1049,7 @@ public Builder removePartialFailures(int index) {
      * </code>
      */
     public com.google.rpc.Status.Builder getPartialFailuresBuilder(int index) {
-      return getPartialFailuresFieldBuilder().getBuilder(index);
+      return internalGetPartialFailuresFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1137,7 +1112,7 @@ public com.google.rpc.StatusOrBuilder getPartialFailuresOrBuilder(int index) {
      * </code>
      */
     public com.google.rpc.Status.Builder addPartialFailuresBuilder() {
-      return getPartialFailuresFieldBuilder()
+      return internalGetPartialFailuresFieldBuilder()
           .addBuilder(com.google.rpc.Status.getDefaultInstance());
     }
 
@@ -1156,7 +1131,7 @@ public com.google.rpc.Status.Builder addPartialFailuresBuilder() {
      * </code>
      */
     public com.google.rpc.Status.Builder addPartialFailuresBuilder(int index) {
-      return getPartialFailuresFieldBuilder()
+      return internalGetPartialFailuresFieldBuilder()
           .addBuilder(index, com.google.rpc.Status.getDefaultInstance());
     }
 
@@ -1175,15 +1150,15 @@ public com.google.rpc.Status.Builder addPartialFailuresBuilder(int index) {
      * </code>
      */
     public java.util.List<com.google.rpc.Status.Builder> getPartialFailuresBuilderList() {
-      return getPartialFailuresFieldBuilder().getBuilderList();
+      return internalGetPartialFailuresFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.rpc.Status, com.google.rpc.Status.Builder, com.google.rpc.StatusOrBuilder>
-        getPartialFailuresFieldBuilder() {
+        internalGetPartialFailuresFieldBuilder() {
       if (partialFailuresBuilder_ == null) {
         partialFailuresBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.rpc.Status,
                 com.google.rpc.Status.Builder,
                 com.google.rpc.StatusOrBuilder>(
@@ -1197,7 +1172,7 @@ public java.util.List<com.google.rpc.Status.Builder> getPartialFailuresBuilderLi
     }
 
     private com.google.protobuf.Timestamp createTime_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
@@ -1356,7 +1331,7 @@ public Builder clearCreateTime() {
     public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getCreateTimeFieldBuilder().getBuilder();
+      return internalGetCreateTimeFieldBuilder().getBuilder();
     }
 
     /**
@@ -1391,14 +1366,14 @@ public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
      * .google.protobuf.Timestamp create_time = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
-        getCreateTimeFieldBuilder() {
+        internalGetCreateTimeFieldBuilder() {
       if (createTimeBuilder_ == null) {
         createTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Timestamp,
                 com.google.protobuf.Timestamp.Builder,
                 com.google.protobuf.TimestampOrBuilder>(
@@ -1409,7 +1384,7 @@ public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
     }
 
     private com.google.protobuf.Timestamp updateTime_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
@@ -1582,7 +1557,7 @@ public Builder clearUpdateTime() {
     public com.google.protobuf.Timestamp.Builder getUpdateTimeBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getUpdateTimeFieldBuilder().getBuilder();
+      return internalGetUpdateTimeFieldBuilder().getBuilder();
     }
 
     /**
@@ -1621,14 +1596,14 @@ public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
      * .google.protobuf.Timestamp update_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
             com.google.protobuf.TimestampOrBuilder>
-        getUpdateTimeFieldBuilder() {
+        internalGetUpdateTimeFieldBuilder() {
       if (updateTimeBuilder_ == null) {
         updateTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Timestamp,
                 com.google.protobuf.Timestamp.Builder,
                 com.google.protobuf.TimestampOrBuilder>(
@@ -1638,17 +1613,6 @@ public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
       return updateTimeBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GenericOperationMetadata)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenericOperationMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenericOperationMetadataOrBuilder.java
index 9f68f3e59a3c..ecf2bb63ba2a 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenericOperationMetadataOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenericOperationMetadataOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/operation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface GenericOperationMetadataOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GenericOperationMetadata)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GetEndpointRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GetEndpointRequest.java
index 1c4763ec918c..9cfc70e82828 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GetEndpointRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GetEndpointRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.GetEndpointRequest}
  */
-public final class GetEndpointRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class GetEndpointRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GetEndpointRequest)
     GetEndpointRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "GetEndpointRequest");
+  }
+
   // Use GetEndpointRequest.newBuilder() to construct.
-  private GetEndpointRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private GetEndpointRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private GetEndpointRequest() {
     name_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new GetEndpointRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_GetEndpointRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_GetEndpointRequest_fieldAccessorTable
@@ -140,8 +146,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -152,8 +158,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -227,38 +233,38 @@ public static com.google.cloud.vertexai.api.GetEndpointRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.GetEndpointRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GetEndpointRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GetEndpointRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GetEndpointRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GetEndpointRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GetEndpointRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -281,7 +287,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -296,7 +302,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GetEndpointRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GetEndpointRequest)
       com.google.cloud.vertexai.api.GetEndpointRequestOrBuilder {
@@ -306,7 +312,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_GetEndpointRequest_fieldAccessorTable
@@ -318,7 +324,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.GetEndpointRequest.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -368,39 +374,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.GetEndpointRequest resu
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.GetEndpointRequest) {
@@ -601,17 +574,6 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GetEndpointRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GetEndpointRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GetEndpointRequestOrBuilder.java
index 4bf50458ea08..ebac555cfdad 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GetEndpointRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GetEndpointRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface GetEndpointRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GetEndpointRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleDriveSource.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleDriveSource.java
index 6cdfc63d341d..309ab0b2bf2d 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleDriveSource.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleDriveSource.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.GoogleDriveSource}
  */
-public final class GoogleDriveSource extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class GoogleDriveSource extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GoogleDriveSource)
     GoogleDriveSourceOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "GoogleDriveSource");
+  }
+
   // Use GoogleDriveSource.newBuilder() to construct.
-  private GoogleDriveSource(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private GoogleDriveSource(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private GoogleDriveSource() {
     resourceIds_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new GoogleDriveSource();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_GoogleDriveSource_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_GoogleDriveSource_fieldAccessorTable
@@ -135,14 +141,24 @@ public interface ResourceIdOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GoogleDriveSource.ResourceId}
    */
-  public static final class ResourceId extends com.google.protobuf.GeneratedMessageV3
+  public static final class ResourceId extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GoogleDriveSource.ResourceId)
       ResourceIdOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "ResourceId");
+    }
+
     // Use ResourceId.newBuilder() to construct.
-    private ResourceId(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private ResourceId(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -151,19 +167,13 @@ private ResourceId() {
       resourceId_ = "";
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new ResourceId();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_GoogleDriveSource_ResourceId_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_GoogleDriveSource_ResourceId_fieldAccessorTable
@@ -215,6 +225,16 @@ public enum ResourceType implements com.google.protobuf.ProtocolMessageEnum {
       UNRECOGNIZED(-1),
       ;
 
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 0,
+            /* suffix= */ "",
+            "ResourceType");
+      }
+
       /**
        *
        *
@@ -306,7 +326,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
         return getDescriptor();
       }
 
-      public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
         return com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.getDescriptor()
             .getEnumTypes()
             .get(0);
@@ -451,8 +471,8 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
               .getNumber()) {
         output.writeEnum(1, resourceType_);
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(resourceId_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, resourceId_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(resourceId_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 2, resourceId_);
       }
       getUnknownFields().writeTo(output);
     }
@@ -469,8 +489,8 @@ public int getSerializedSize() {
               .getNumber()) {
         size += com.google.protobuf.CodedOutputStream.computeEnumSize(1, resourceType_);
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(resourceId_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, resourceId_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(resourceId_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(2, resourceId_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSize = size;
@@ -547,38 +567,38 @@ public static com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId parseFr
 
     public static com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -602,8 +622,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -617,8 +636,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.GoogleDriveSource.ResourceId}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GoogleDriveSource.ResourceId)
         com.google.cloud.vertexai.api.GoogleDriveSource.ResourceIdOrBuilder {
@@ -628,7 +646,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.IoProto
             .internal_static_google_cloud_vertexai_v1_GoogleDriveSource_ResourceId_fieldAccessorTable
@@ -640,7 +658,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // Construct using com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -696,41 +714,6 @@ private void buildPartial0(
         }
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId) {
@@ -1031,18 +1014,6 @@ public Builder setResourceIdBytes(com.google.protobuf.ByteString value) {
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GoogleDriveSource.ResourceId)
     }
 
@@ -1288,38 +1259,38 @@ public static com.google.cloud.vertexai.api.GoogleDriveSource parseFrom(
 
   public static com.google.cloud.vertexai.api.GoogleDriveSource parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GoogleDriveSource parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GoogleDriveSource parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GoogleDriveSource parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GoogleDriveSource parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GoogleDriveSource parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -1342,7 +1313,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -1356,7 +1327,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GoogleDriveSource}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GoogleDriveSource)
       com.google.cloud.vertexai.api.GoogleDriveSourceOrBuilder {
@@ -1366,7 +1337,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_GoogleDriveSource_fieldAccessorTable
@@ -1378,7 +1349,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.GoogleDriveSource.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -1445,39 +1416,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.GoogleDriveSource resul
       int from_bitField0_ = bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.GoogleDriveSource) {
@@ -1510,8 +1448,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.GoogleDriveSource other)
             resourceIds_ = other.resourceIds_;
             bitField0_ = (bitField0_ & ~0x00000001);
             resourceIdsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getResourceIdsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetResourceIdsFieldBuilder()
                     : null;
           } else {
             resourceIdsBuilder_.addAllMessages(other.resourceIds_);
@@ -1589,7 +1527,7 @@ private void ensureResourceIdsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId,
             com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.Builder,
             com.google.cloud.vertexai.api.GoogleDriveSource.ResourceIdOrBuilder>
@@ -1883,7 +1821,7 @@ public Builder removeResourceIds(int index) {
      */
     public com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.Builder getResourceIdsBuilder(
         int index) {
-      return getResourceIdsFieldBuilder().getBuilder(index);
+      return internalGetResourceIdsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1940,7 +1878,7 @@ public com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.Builder getRes
      */
     public com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.Builder
         addResourceIdsBuilder() {
-      return getResourceIdsFieldBuilder()
+      return internalGetResourceIdsFieldBuilder()
           .addBuilder(
               com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.getDefaultInstance());
     }
@@ -1958,7 +1896,7 @@ public com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.Builder getRes
      */
     public com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.Builder addResourceIdsBuilder(
         int index) {
-      return getResourceIdsFieldBuilder()
+      return internalGetResourceIdsFieldBuilder()
           .addBuilder(
               index,
               com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.getDefaultInstance());
@@ -1977,17 +1915,17 @@ public com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.Builder addRes
      */
     public java.util.List<com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.Builder>
         getResourceIdsBuilderList() {
-      return getResourceIdsFieldBuilder().getBuilderList();
+      return internalGetResourceIdsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId,
             com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.Builder,
             com.google.cloud.vertexai.api.GoogleDriveSource.ResourceIdOrBuilder>
-        getResourceIdsFieldBuilder() {
+        internalGetResourceIdsFieldBuilder() {
       if (resourceIdsBuilder_ == null) {
         resourceIdsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId,
                 com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.Builder,
                 com.google.cloud.vertexai.api.GoogleDriveSource.ResourceIdOrBuilder>(
@@ -1997,17 +1935,6 @@ public com.google.cloud.vertexai.api.GoogleDriveSource.ResourceId.Builder addRes
       return resourceIdsBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GoogleDriveSource)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleDriveSourceOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleDriveSourceOrBuilder.java
index 92b73c14617e..241fde709a92 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleDriveSourceOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleDriveSourceOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface GoogleDriveSourceOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GoogleDriveSource)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleMaps.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleMaps.java
new file mode 100644
index 000000000000..11cfa57227f0
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleMaps.java
@@ -0,0 +1,501 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Tool to retrieve public maps data for grounding, powered by Google.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.GoogleMaps}
+ */
+@com.google.protobuf.Generated
+public final class GoogleMaps extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GoogleMaps)
+    GoogleMapsOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "GoogleMaps");
+  }
+
+  // Use GoogleMaps.newBuilder() to construct.
+  private GoogleMaps(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private GoogleMaps() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ToolProto
+        .internal_static_google_cloud_vertexai_v1_GoogleMaps_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ToolProto
+        .internal_static_google_cloud_vertexai_v1_GoogleMaps_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.GoogleMaps.class,
+            com.google.cloud.vertexai.api.GoogleMaps.Builder.class);
+  }
+
+  public static final int ENABLE_WIDGET_FIELD_NUMBER = 1;
+  private boolean enableWidget_ = false;
+
+  /**
+   *
+   *
+   * <pre>
+   * If true, include the widget context token in the response.
+   * </pre>
+   *
+   * <code>bool enable_widget = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The enableWidget.
+   */
+  @java.lang.Override
+  public boolean getEnableWidget() {
+    return enableWidget_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (enableWidget_ != false) {
+      output.writeBool(1, enableWidget_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (enableWidget_ != false) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(1, enableWidget_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.GoogleMaps)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.GoogleMaps other = (com.google.cloud.vertexai.api.GoogleMaps) obj;
+
+    if (getEnableWidget() != other.getEnableWidget()) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + ENABLE_WIDGET_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getEnableWidget());
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.GoogleMaps parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.GoogleMaps parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.GoogleMaps parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.GoogleMaps parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.GoogleMaps parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.GoogleMaps parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.GoogleMaps parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.GoogleMaps parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.GoogleMaps parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.GoogleMaps parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.GoogleMaps parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.GoogleMaps parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.GoogleMaps prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Tool to retrieve public maps data for grounding, powered by Google.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.GoogleMaps}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GoogleMaps)
+      com.google.cloud.vertexai.api.GoogleMapsOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_GoogleMaps_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_GoogleMaps_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.GoogleMaps.class,
+              com.google.cloud.vertexai.api.GoogleMaps.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.GoogleMaps.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      enableWidget_ = false;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_GoogleMaps_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GoogleMaps getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.GoogleMaps.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GoogleMaps build() {
+      com.google.cloud.vertexai.api.GoogleMaps result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GoogleMaps buildPartial() {
+      com.google.cloud.vertexai.api.GoogleMaps result =
+          new com.google.cloud.vertexai.api.GoogleMaps(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.GoogleMaps result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.enableWidget_ = enableWidget_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.GoogleMaps) {
+        return mergeFrom((com.google.cloud.vertexai.api.GoogleMaps) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.GoogleMaps other) {
+      if (other == com.google.cloud.vertexai.api.GoogleMaps.getDefaultInstance()) return this;
+      if (other.getEnableWidget() != false) {
+        setEnableWidget(other.getEnableWidget());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 8:
+              {
+                enableWidget_ = input.readBool();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 8
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private boolean enableWidget_;
+
+    /**
+     *
+     *
+     * <pre>
+     * If true, include the widget context token in the response.
+     * </pre>
+     *
+     * <code>bool enable_widget = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The enableWidget.
+     */
+    @java.lang.Override
+    public boolean getEnableWidget() {
+      return enableWidget_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * If true, include the widget context token in the response.
+     * </pre>
+     *
+     * <code>bool enable_widget = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The enableWidget to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEnableWidget(boolean value) {
+
+      enableWidget_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * If true, include the widget context token in the response.
+     * </pre>
+     *
+     * <code>bool enable_widget = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearEnableWidget() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      enableWidget_ = false;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GoogleMaps)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.GoogleMaps)
+  private static final com.google.cloud.vertexai.api.GoogleMaps DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.GoogleMaps();
+  }
+
+  public static com.google.cloud.vertexai.api.GoogleMaps getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<GoogleMaps> PARSER =
+      new com.google.protobuf.AbstractParser<GoogleMaps>() {
+        @java.lang.Override
+        public GoogleMaps parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<GoogleMaps> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<GoogleMaps> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GoogleMaps getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleMapsOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleMapsOrBuilder.java
new file mode 100644
index 000000000000..d06573652075
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleMapsOrBuilder.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface GoogleMapsOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GoogleMaps)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * If true, include the widget context token in the response.
+   * </pre>
+   *
+   * <code>bool enable_widget = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The enableWidget.
+   */
+  boolean getEnableWidget();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleSearchRetrieval.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleSearchRetrieval.java
index d608fc89b597..87f228b25d9b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleSearchRetrieval.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleSearchRetrieval.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.GoogleSearchRetrieval}
  */
-public final class GoogleSearchRetrieval extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class GoogleSearchRetrieval extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GoogleSearchRetrieval)
     GoogleSearchRetrievalOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "GoogleSearchRetrieval");
+  }
+
   // Use GoogleSearchRetrieval.newBuilder() to construct.
-  private GoogleSearchRetrieval(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private GoogleSearchRetrieval(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private GoogleSearchRetrieval() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new GoogleSearchRetrieval();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_GoogleSearchRetrieval_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_GoogleSearchRetrieval_fieldAccessorTable
@@ -224,38 +230,38 @@ public static com.google.cloud.vertexai.api.GoogleSearchRetrieval parseFrom(
 
   public static com.google.cloud.vertexai.api.GoogleSearchRetrieval parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GoogleSearchRetrieval parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GoogleSearchRetrieval parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GoogleSearchRetrieval parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GoogleSearchRetrieval parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GoogleSearchRetrieval parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -278,7 +284,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -292,7 +298,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GoogleSearchRetrieval}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GoogleSearchRetrieval)
       com.google.cloud.vertexai.api.GoogleSearchRetrievalOrBuilder {
@@ -302,7 +308,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_GoogleSearchRetrieval_fieldAccessorTable
@@ -316,14 +322,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getDynamicRetrievalConfigFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetDynamicRetrievalConfigFieldBuilder();
       }
     }
 
@@ -383,39 +389,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.GoogleSearchRetrieval r
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.GoogleSearchRetrieval) {
@@ -461,7 +434,8 @@ public Builder mergeFrom(
             case 18:
               {
                 input.readMessage(
-                    getDynamicRetrievalConfigFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetDynamicRetrievalConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 18
@@ -485,7 +459,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.DynamicRetrievalConfig dynamicRetrievalConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.DynamicRetrievalConfig,
             com.google.cloud.vertexai.api.DynamicRetrievalConfig.Builder,
             com.google.cloud.vertexai.api.DynamicRetrievalConfigOrBuilder>
@@ -635,7 +609,7 @@ public Builder clearDynamicRetrievalConfig() {
         getDynamicRetrievalConfigBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getDynamicRetrievalConfigFieldBuilder().getBuilder();
+      return internalGetDynamicRetrievalConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -667,14 +641,14 @@ public Builder clearDynamicRetrievalConfig() {
      *
      * <code>.google.cloud.vertexai.v1.DynamicRetrievalConfig dynamic_retrieval_config = 2;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.DynamicRetrievalConfig,
             com.google.cloud.vertexai.api.DynamicRetrievalConfig.Builder,
             com.google.cloud.vertexai.api.DynamicRetrievalConfigOrBuilder>
-        getDynamicRetrievalConfigFieldBuilder() {
+        internalGetDynamicRetrievalConfigFieldBuilder() {
       if (dynamicRetrievalConfigBuilder_ == null) {
         dynamicRetrievalConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.DynamicRetrievalConfig,
                 com.google.cloud.vertexai.api.DynamicRetrievalConfig.Builder,
                 com.google.cloud.vertexai.api.DynamicRetrievalConfigOrBuilder>(
@@ -684,17 +658,6 @@ public Builder clearDynamicRetrievalConfig() {
       return dynamicRetrievalConfigBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GoogleSearchRetrieval)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleSearchRetrievalOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleSearchRetrievalOrBuilder.java
index b658e51652ee..fd2402eb3fce 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleSearchRetrievalOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GoogleSearchRetrievalOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface GoogleSearchRetrievalOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GoogleSearchRetrieval)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingChunk.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingChunk.java
index ac87646a890a..53cdbb838ffb 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingChunk.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingChunk.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.GroundingChunk}
  */
-public final class GroundingChunk extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class GroundingChunk extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GroundingChunk)
     GroundingChunkOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "GroundingChunk");
+  }
+
   // Use GroundingChunk.newBuilder() to construct.
-  private GroundingChunk(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private GroundingChunk(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private GroundingChunk() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new GroundingChunk();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_GroundingChunk_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_GroundingChunk_fieldAccessorTable
@@ -155,14 +161,24 @@ public interface WebOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GroundingChunk.Web}
    */
-  public static final class Web extends com.google.protobuf.GeneratedMessageV3
+  public static final class Web extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GroundingChunk.Web)
       WebOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "Web");
+    }
+
     // Use Web.newBuilder() to construct.
-    private Web(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private Web(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -171,19 +187,13 @@ private Web() {
       title_ = "";
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new Web();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_GroundingChunk_Web_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_GroundingChunk_Web_fieldAccessorTable
@@ -346,10 +356,10 @@ public final boolean isInitialized() {
     @java.lang.Override
     public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
       if (((bitField0_ & 0x00000001) != 0)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, uri_);
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, uri_);
       }
       if (((bitField0_ & 0x00000002) != 0)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, title_);
+        com.google.protobuf.GeneratedMessage.writeString(output, 2, title_);
       }
       getUnknownFields().writeTo(output);
     }
@@ -361,10 +371,10 @@ public int getSerializedSize() {
 
       size = 0;
       if (((bitField0_ & 0x00000001) != 0)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, uri_);
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, uri_);
       }
       if (((bitField0_ & 0x00000002) != 0)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, title_);
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(2, title_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSize = size;
@@ -451,38 +461,38 @@ public static com.google.cloud.vertexai.api.GroundingChunk.Web parseFrom(
 
     public static com.google.cloud.vertexai.api.GroundingChunk.Web parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GroundingChunk.Web parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.GroundingChunk.Web parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GroundingChunk.Web parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.GroundingChunk.Web parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GroundingChunk.Web parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -505,8 +515,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -520,8 +529,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.GroundingChunk.Web}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GroundingChunk.Web)
         com.google.cloud.vertexai.api.GroundingChunk.WebOrBuilder {
@@ -531,7 +539,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ContentProto
             .internal_static_google_cloud_vertexai_v1_GroundingChunk_Web_fieldAccessorTable
@@ -543,7 +551,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // Construct using com.google.cloud.vertexai.api.GroundingChunk.Web.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -601,41 +609,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.GroundingChunk.Web resu
         result.bitField0_ |= to_bitField0_;
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.GroundingChunk.Web) {
@@ -968,18 +941,6 @@ public Builder setTitleBytes(com.google.protobuf.ByteString value) {
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GroundingChunk.Web)
     }
 
@@ -1037,6 +998,46 @@ public interface RetrievedContextOrBuilder
       // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GroundingChunk.RetrievedContext)
       com.google.protobuf.MessageOrBuilder {
 
+    /**
+     *
+     *
+     * <pre>
+     * Additional context for the RAG retrieval result. This is only populated
+     * when using the RAG retrieval tool.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+     *
+     * @return Whether the ragChunk field is set.
+     */
+    boolean hasRagChunk();
+
+    /**
+     *
+     *
+     * <pre>
+     * Additional context for the RAG retrieval result. This is only populated
+     * when using the RAG retrieval tool.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+     *
+     * @return The ragChunk.
+     */
+    com.google.cloud.vertexai.api.RagChunk getRagChunk();
+
+    /**
+     *
+     *
+     * <pre>
+     * Additional context for the RAG retrieval result. This is only populated
+     * when using the RAG retrieval tool.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+     */
+    com.google.cloud.vertexai.api.RagChunkOrBuilder getRagChunkOrBuilder();
+
     /**
      *
      *
@@ -1153,6 +1154,51 @@ public interface RetrievedContextOrBuilder
      * @return The bytes for text.
      */
     com.google.protobuf.ByteString getTextBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The full document name for the referenced Vertex AI Search
+     * document.
+     * </pre>
+     *
+     * <code>optional string document_name = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return Whether the documentName field is set.
+     */
+    boolean hasDocumentName();
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The full document name for the referenced Vertex AI Search
+     * document.
+     * </pre>
+     *
+     * <code>optional string document_name = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The documentName.
+     */
+    java.lang.String getDocumentName();
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The full document name for the referenced Vertex AI Search
+     * document.
+     * </pre>
+     *
+     * <code>optional string document_name = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for documentName.
+     */
+    com.google.protobuf.ByteString getDocumentNameBytes();
+
+    com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext.ContextDetailsCase
+        getContextDetailsCase();
   }
 
   /**
@@ -1164,14 +1210,24 @@ public interface RetrievedContextOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GroundingChunk.RetrievedContext}
    */
-  public static final class RetrievedContext extends com.google.protobuf.GeneratedMessageV3
+  public static final class RetrievedContext extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GroundingChunk.RetrievedContext)
       RetrievedContextOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "RetrievedContext");
+    }
+
     // Use RetrievedContext.newBuilder() to construct.
-    private RetrievedContext(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private RetrievedContext(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -1179,12 +1235,7 @@ private RetrievedContext() {
       uri_ = "";
       title_ = "";
       text_ = "";
-    }
-
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new RetrievedContext();
+      documentName_ = "";
     }
 
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -1193,7 +1244,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_GroundingChunk_RetrievedContext_fieldAccessorTable
@@ -1203,6 +1254,110 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     private int bitField0_;
+    private int contextDetailsCase_ = 0;
+
+    @SuppressWarnings("serial")
+    private java.lang.Object contextDetails_;
+
+    public enum ContextDetailsCase
+        implements
+            com.google.protobuf.Internal.EnumLite,
+            com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+      RAG_CHUNK(4),
+      CONTEXTDETAILS_NOT_SET(0);
+      private final int value;
+
+      private ContextDetailsCase(int value) {
+        this.value = value;
+      }
+
+      /**
+       * @param value The number of the enum to look for.
+       * @return The enum associated with the given number.
+       * @deprecated Use {@link #forNumber(int)} instead.
+       */
+      @java.lang.Deprecated
+      public static ContextDetailsCase valueOf(int value) {
+        return forNumber(value);
+      }
+
+      public static ContextDetailsCase forNumber(int value) {
+        switch (value) {
+          case 4:
+            return RAG_CHUNK;
+          case 0:
+            return CONTEXTDETAILS_NOT_SET;
+          default:
+            return null;
+        }
+      }
+
+      public int getNumber() {
+        return this.value;
+      }
+    };
+
+    public ContextDetailsCase getContextDetailsCase() {
+      return ContextDetailsCase.forNumber(contextDetailsCase_);
+    }
+
+    public static final int RAG_CHUNK_FIELD_NUMBER = 4;
+
+    /**
+     *
+     *
+     * <pre>
+     * Additional context for the RAG retrieval result. This is only populated
+     * when using the RAG retrieval tool.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+     *
+     * @return Whether the ragChunk field is set.
+     */
+    @java.lang.Override
+    public boolean hasRagChunk() {
+      return contextDetailsCase_ == 4;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Additional context for the RAG retrieval result. This is only populated
+     * when using the RAG retrieval tool.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+     *
+     * @return The ragChunk.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagChunk getRagChunk() {
+      if (contextDetailsCase_ == 4) {
+        return (com.google.cloud.vertexai.api.RagChunk) contextDetails_;
+      }
+      return com.google.cloud.vertexai.api.RagChunk.getDefaultInstance();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Additional context for the RAG retrieval result. This is only populated
+     * when using the RAG retrieval tool.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagChunkOrBuilder getRagChunkOrBuilder() {
+      if (contextDetailsCase_ == 4) {
+        return (com.google.cloud.vertexai.api.RagChunk) contextDetails_;
+      }
+      return com.google.cloud.vertexai.api.RagChunk.getDefaultInstance();
+    }
+
     public static final int URI_FIELD_NUMBER = 1;
 
     @SuppressWarnings("serial")
@@ -1410,6 +1565,78 @@ public com.google.protobuf.ByteString getTextBytes() {
       }
     }
 
+    public static final int DOCUMENT_NAME_FIELD_NUMBER = 6;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object documentName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The full document name for the referenced Vertex AI Search
+     * document.
+     * </pre>
+     *
+     * <code>optional string document_name = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return Whether the documentName field is set.
+     */
+    @java.lang.Override
+    public boolean hasDocumentName() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The full document name for the referenced Vertex AI Search
+     * document.
+     * </pre>
+     *
+     * <code>optional string document_name = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The documentName.
+     */
+    @java.lang.Override
+    public java.lang.String getDocumentName() {
+      java.lang.Object ref = documentName_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        documentName_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The full document name for the referenced Vertex AI Search
+     * document.
+     * </pre>
+     *
+     * <code>optional string document_name = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for documentName.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getDocumentNameBytes() {
+      java.lang.Object ref = documentName_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        documentName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
     private byte memoizedIsInitialized = -1;
 
     @java.lang.Override
@@ -1425,13 +1652,19 @@ public final boolean isInitialized() {
     @java.lang.Override
     public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
       if (((bitField0_ & 0x00000001) != 0)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, uri_);
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, uri_);
       }
       if (((bitField0_ & 0x00000002) != 0)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, title_);
+        com.google.protobuf.GeneratedMessage.writeString(output, 2, title_);
       }
       if (((bitField0_ & 0x00000004) != 0)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 3, text_);
+        com.google.protobuf.GeneratedMessage.writeString(output, 3, text_);
+      }
+      if (contextDetailsCase_ == 4) {
+        output.writeMessage(4, (com.google.cloud.vertexai.api.RagChunk) contextDetails_);
+      }
+      if (((bitField0_ & 0x00000008) != 0)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 6, documentName_);
       }
       getUnknownFields().writeTo(output);
     }
@@ -1443,13 +1676,21 @@ public int getSerializedSize() {
 
       size = 0;
       if (((bitField0_ & 0x00000001) != 0)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, uri_);
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, uri_);
       }
       if (((bitField0_ & 0x00000002) != 0)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, title_);
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(2, title_);
       }
       if (((bitField0_ & 0x00000004) != 0)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, text_);
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(3, text_);
+      }
+      if (contextDetailsCase_ == 4) {
+        size +=
+            com.google.protobuf.CodedOutputStream.computeMessageSize(
+                4, (com.google.cloud.vertexai.api.RagChunk) contextDetails_);
+      }
+      if (((bitField0_ & 0x00000008) != 0)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(6, documentName_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSize = size;
@@ -1479,6 +1720,18 @@ public boolean equals(final java.lang.Object obj) {
       if (hasText()) {
         if (!getText().equals(other.getText())) return false;
       }
+      if (hasDocumentName() != other.hasDocumentName()) return false;
+      if (hasDocumentName()) {
+        if (!getDocumentName().equals(other.getDocumentName())) return false;
+      }
+      if (!getContextDetailsCase().equals(other.getContextDetailsCase())) return false;
+      switch (contextDetailsCase_) {
+        case 4:
+          if (!getRagChunk().equals(other.getRagChunk())) return false;
+          break;
+        case 0:
+        default:
+      }
       if (!getUnknownFields().equals(other.getUnknownFields())) return false;
       return true;
     }
@@ -1502,6 +1755,18 @@ public int hashCode() {
         hash = (37 * hash) + TEXT_FIELD_NUMBER;
         hash = (53 * hash) + getText().hashCode();
       }
+      if (hasDocumentName()) {
+        hash = (37 * hash) + DOCUMENT_NAME_FIELD_NUMBER;
+        hash = (53 * hash) + getDocumentName().hashCode();
+      }
+      switch (contextDetailsCase_) {
+        case 4:
+          hash = (37 * hash) + RAG_CHUNK_FIELD_NUMBER;
+          hash = (53 * hash) + getRagChunk().hashCode();
+          break;
+        case 0:
+        default:
+      }
       hash = (29 * hash) + getUnknownFields().hashCode();
       memoizedHashCode = hash;
       return hash;
@@ -1544,38 +1809,38 @@ public static com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext pars
 
     public static com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -1599,8 +1864,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -1614,8 +1878,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.GroundingChunk.RetrievedContext}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GroundingChunk.RetrievedContext)
         com.google.cloud.vertexai.api.GroundingChunk.RetrievedContextOrBuilder {
@@ -1625,7 +1888,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ContentProto
             .internal_static_google_cloud_vertexai_v1_GroundingChunk_RetrievedContext_fieldAccessorTable
@@ -1637,7 +1900,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // Construct using com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -1645,9 +1908,15 @@ private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
       public Builder clear() {
         super.clear();
         bitField0_ = 0;
+        if (ragChunkBuilder_ != null) {
+          ragChunkBuilder_.clear();
+        }
         uri_ = "";
         title_ = "";
         text_ = "";
+        documentName_ = "";
+        contextDetailsCase_ = 0;
+        contextDetails_ = null;
         return this;
       }
 
@@ -1679,6 +1948,7 @@ public com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext buildPartia
         if (bitField0_ != 0) {
           buildPartial0(result);
         }
+        buildPartialOneofs(result);
         onBuilt();
         return result;
       }
@@ -1687,54 +1957,32 @@ private void buildPartial0(
           com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext result) {
         int from_bitField0_ = bitField0_;
         int to_bitField0_ = 0;
-        if (((from_bitField0_ & 0x00000001) != 0)) {
+        if (((from_bitField0_ & 0x00000002) != 0)) {
           result.uri_ = uri_;
           to_bitField0_ |= 0x00000001;
         }
-        if (((from_bitField0_ & 0x00000002) != 0)) {
+        if (((from_bitField0_ & 0x00000004) != 0)) {
           result.title_ = title_;
           to_bitField0_ |= 0x00000002;
         }
-        if (((from_bitField0_ & 0x00000004) != 0)) {
+        if (((from_bitField0_ & 0x00000008) != 0)) {
           result.text_ = text_;
           to_bitField0_ |= 0x00000004;
         }
+        if (((from_bitField0_ & 0x00000010) != 0)) {
+          result.documentName_ = documentName_;
+          to_bitField0_ |= 0x00000008;
+        }
         result.bitField0_ |= to_bitField0_;
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
+      private void buildPartialOneofs(
+          com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext result) {
+        result.contextDetailsCase_ = contextDetailsCase_;
+        result.contextDetails_ = this.contextDetails_;
+        if (contextDetailsCase_ == 4 && ragChunkBuilder_ != null) {
+          result.contextDetails_ = ragChunkBuilder_.build();
+        }
       }
 
       @java.lang.Override
@@ -1754,19 +2002,35 @@ public Builder mergeFrom(
           return this;
         if (other.hasUri()) {
           uri_ = other.uri_;
-          bitField0_ |= 0x00000001;
+          bitField0_ |= 0x00000002;
           onChanged();
         }
         if (other.hasTitle()) {
           title_ = other.title_;
-          bitField0_ |= 0x00000002;
+          bitField0_ |= 0x00000004;
           onChanged();
         }
         if (other.hasText()) {
           text_ = other.text_;
-          bitField0_ |= 0x00000004;
+          bitField0_ |= 0x00000008;
+          onChanged();
+        }
+        if (other.hasDocumentName()) {
+          documentName_ = other.documentName_;
+          bitField0_ |= 0x00000010;
           onChanged();
         }
+        switch (other.getContextDetailsCase()) {
+          case RAG_CHUNK:
+            {
+              mergeRagChunk(other.getRagChunk());
+              break;
+            }
+          case CONTEXTDETAILS_NOT_SET:
+            {
+              break;
+            }
+        }
         this.mergeUnknownFields(other.getUnknownFields());
         onChanged();
         return this;
@@ -1796,21 +2060,34 @@ public Builder mergeFrom(
               case 10:
                 {
                   uri_ = input.readStringRequireUtf8();
-                  bitField0_ |= 0x00000001;
+                  bitField0_ |= 0x00000002;
                   break;
                 } // case 10
               case 18:
                 {
                   title_ = input.readStringRequireUtf8();
-                  bitField0_ |= 0x00000002;
+                  bitField0_ |= 0x00000004;
                   break;
                 } // case 18
               case 26:
                 {
                   text_ = input.readStringRequireUtf8();
-                  bitField0_ |= 0x00000004;
+                  bitField0_ |= 0x00000008;
                   break;
                 } // case 26
+              case 34:
+                {
+                  input.readMessage(
+                      internalGetRagChunkFieldBuilder().getBuilder(), extensionRegistry);
+                  contextDetailsCase_ = 4;
+                  break;
+                } // case 34
+              case 50:
+                {
+                  documentName_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000010;
+                  break;
+                } // case 50
               default:
                 {
                   if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -1828,7 +2105,247 @@ public Builder mergeFrom(
         return this;
       }
 
-      private int bitField0_;
+      private int contextDetailsCase_ = 0;
+      private java.lang.Object contextDetails_;
+
+      public ContextDetailsCase getContextDetailsCase() {
+        return ContextDetailsCase.forNumber(contextDetailsCase_);
+      }
+
+      public Builder clearContextDetails() {
+        contextDetailsCase_ = 0;
+        contextDetails_ = null;
+        onChanged();
+        return this;
+      }
+
+      private int bitField0_;
+
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.cloud.vertexai.api.RagChunk,
+              com.google.cloud.vertexai.api.RagChunk.Builder,
+              com.google.cloud.vertexai.api.RagChunkOrBuilder>
+          ragChunkBuilder_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Additional context for the RAG retrieval result. This is only populated
+       * when using the RAG retrieval tool.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+       *
+       * @return Whether the ragChunk field is set.
+       */
+      @java.lang.Override
+      public boolean hasRagChunk() {
+        return contextDetailsCase_ == 4;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Additional context for the RAG retrieval result. This is only populated
+       * when using the RAG retrieval tool.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+       *
+       * @return The ragChunk.
+       */
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagChunk getRagChunk() {
+        if (ragChunkBuilder_ == null) {
+          if (contextDetailsCase_ == 4) {
+            return (com.google.cloud.vertexai.api.RagChunk) contextDetails_;
+          }
+          return com.google.cloud.vertexai.api.RagChunk.getDefaultInstance();
+        } else {
+          if (contextDetailsCase_ == 4) {
+            return ragChunkBuilder_.getMessage();
+          }
+          return com.google.cloud.vertexai.api.RagChunk.getDefaultInstance();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Additional context for the RAG retrieval result. This is only populated
+       * when using the RAG retrieval tool.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+       */
+      public Builder setRagChunk(com.google.cloud.vertexai.api.RagChunk value) {
+        if (ragChunkBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          contextDetails_ = value;
+          onChanged();
+        } else {
+          ragChunkBuilder_.setMessage(value);
+        }
+        contextDetailsCase_ = 4;
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Additional context for the RAG retrieval result. This is only populated
+       * when using the RAG retrieval tool.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+       */
+      public Builder setRagChunk(com.google.cloud.vertexai.api.RagChunk.Builder builderForValue) {
+        if (ragChunkBuilder_ == null) {
+          contextDetails_ = builderForValue.build();
+          onChanged();
+        } else {
+          ragChunkBuilder_.setMessage(builderForValue.build());
+        }
+        contextDetailsCase_ = 4;
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Additional context for the RAG retrieval result. This is only populated
+       * when using the RAG retrieval tool.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+       */
+      public Builder mergeRagChunk(com.google.cloud.vertexai.api.RagChunk value) {
+        if (ragChunkBuilder_ == null) {
+          if (contextDetailsCase_ == 4
+              && contextDetails_ != com.google.cloud.vertexai.api.RagChunk.getDefaultInstance()) {
+            contextDetails_ =
+                com.google.cloud.vertexai.api.RagChunk.newBuilder(
+                        (com.google.cloud.vertexai.api.RagChunk) contextDetails_)
+                    .mergeFrom(value)
+                    .buildPartial();
+          } else {
+            contextDetails_ = value;
+          }
+          onChanged();
+        } else {
+          if (contextDetailsCase_ == 4) {
+            ragChunkBuilder_.mergeFrom(value);
+          } else {
+            ragChunkBuilder_.setMessage(value);
+          }
+        }
+        contextDetailsCase_ = 4;
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Additional context for the RAG retrieval result. This is only populated
+       * when using the RAG retrieval tool.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+       */
+      public Builder clearRagChunk() {
+        if (ragChunkBuilder_ == null) {
+          if (contextDetailsCase_ == 4) {
+            contextDetailsCase_ = 0;
+            contextDetails_ = null;
+            onChanged();
+          }
+        } else {
+          if (contextDetailsCase_ == 4) {
+            contextDetailsCase_ = 0;
+            contextDetails_ = null;
+          }
+          ragChunkBuilder_.clear();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Additional context for the RAG retrieval result. This is only populated
+       * when using the RAG retrieval tool.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+       */
+      public com.google.cloud.vertexai.api.RagChunk.Builder getRagChunkBuilder() {
+        return internalGetRagChunkFieldBuilder().getBuilder();
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Additional context for the RAG retrieval result. This is only populated
+       * when using the RAG retrieval tool.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+       */
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagChunkOrBuilder getRagChunkOrBuilder() {
+        if ((contextDetailsCase_ == 4) && (ragChunkBuilder_ != null)) {
+          return ragChunkBuilder_.getMessageOrBuilder();
+        } else {
+          if (contextDetailsCase_ == 4) {
+            return (com.google.cloud.vertexai.api.RagChunk) contextDetails_;
+          }
+          return com.google.cloud.vertexai.api.RagChunk.getDefaultInstance();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Additional context for the RAG retrieval result. This is only populated
+       * when using the RAG retrieval tool.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagChunk rag_chunk = 4;</code>
+       */
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.cloud.vertexai.api.RagChunk,
+              com.google.cloud.vertexai.api.RagChunk.Builder,
+              com.google.cloud.vertexai.api.RagChunkOrBuilder>
+          internalGetRagChunkFieldBuilder() {
+        if (ragChunkBuilder_ == null) {
+          if (!(contextDetailsCase_ == 4)) {
+            contextDetails_ = com.google.cloud.vertexai.api.RagChunk.getDefaultInstance();
+          }
+          ragChunkBuilder_ =
+              new com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.vertexai.api.RagChunk,
+                  com.google.cloud.vertexai.api.RagChunk.Builder,
+                  com.google.cloud.vertexai.api.RagChunkOrBuilder>(
+                  (com.google.cloud.vertexai.api.RagChunk) contextDetails_,
+                  getParentForChildren(),
+                  isClean());
+          contextDetails_ = null;
+        }
+        contextDetailsCase_ = 4;
+        onChanged();
+        return ragChunkBuilder_;
+      }
 
       private java.lang.Object uri_ = "";
 
@@ -1844,7 +2361,7 @@ public Builder mergeFrom(
        * @return Whether the uri field is set.
        */
       public boolean hasUri() {
-        return ((bitField0_ & 0x00000001) != 0);
+        return ((bitField0_ & 0x00000002) != 0);
       }
 
       /**
@@ -1910,7 +2427,7 @@ public Builder setUri(java.lang.String value) {
           throw new NullPointerException();
         }
         uri_ = value;
-        bitField0_ |= 0x00000001;
+        bitField0_ |= 0x00000002;
         onChanged();
         return this;
       }
@@ -1928,7 +2445,7 @@ public Builder setUri(java.lang.String value) {
        */
       public Builder clearUri() {
         uri_ = getDefaultInstance().getUri();
-        bitField0_ = (bitField0_ & ~0x00000001);
+        bitField0_ = (bitField0_ & ~0x00000002);
         onChanged();
         return this;
       }
@@ -1951,7 +2468,7 @@ public Builder setUriBytes(com.google.protobuf.ByteString value) {
         }
         checkByteStringIsUtf8(value);
         uri_ = value;
-        bitField0_ |= 0x00000001;
+        bitField0_ |= 0x00000002;
         onChanged();
         return this;
       }
@@ -1970,7 +2487,7 @@ public Builder setUriBytes(com.google.protobuf.ByteString value) {
        * @return Whether the title field is set.
        */
       public boolean hasTitle() {
-        return ((bitField0_ & 0x00000002) != 0);
+        return ((bitField0_ & 0x00000004) != 0);
       }
 
       /**
@@ -2036,7 +2553,7 @@ public Builder setTitle(java.lang.String value) {
           throw new NullPointerException();
         }
         title_ = value;
-        bitField0_ |= 0x00000002;
+        bitField0_ |= 0x00000004;
         onChanged();
         return this;
       }
@@ -2054,7 +2571,7 @@ public Builder setTitle(java.lang.String value) {
        */
       public Builder clearTitle() {
         title_ = getDefaultInstance().getTitle();
-        bitField0_ = (bitField0_ & ~0x00000002);
+        bitField0_ = (bitField0_ & ~0x00000004);
         onChanged();
         return this;
       }
@@ -2077,7 +2594,7 @@ public Builder setTitleBytes(com.google.protobuf.ByteString value) {
         }
         checkByteStringIsUtf8(value);
         title_ = value;
-        bitField0_ |= 0x00000002;
+        bitField0_ |= 0x00000004;
         onChanged();
         return this;
       }
@@ -2096,7 +2613,7 @@ public Builder setTitleBytes(com.google.protobuf.ByteString value) {
        * @return Whether the text field is set.
        */
       public boolean hasText() {
-        return ((bitField0_ & 0x00000004) != 0);
+        return ((bitField0_ & 0x00000008) != 0);
       }
 
       /**
@@ -2149,20 +2666,4202 @@ public com.google.protobuf.ByteString getTextBytes() {
        *
        *
        * <pre>
-       * Text of the attribution.
+       * Text of the attribution.
+       * </pre>
+       *
+       * <code>optional string text = 3;</code>
+       *
+       * @param value The text to set.
+       * @return This builder for chaining.
+       */
+      public Builder setText(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        text_ = value;
+        bitField0_ |= 0x00000008;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Text of the attribution.
+       * </pre>
+       *
+       * <code>optional string text = 3;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearText() {
+        text_ = getDefaultInstance().getText();
+        bitField0_ = (bitField0_ & ~0x00000008);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Text of the attribution.
+       * </pre>
+       *
+       * <code>optional string text = 3;</code>
+       *
+       * @param value The bytes for text to set.
+       * @return This builder for chaining.
+       */
+      public Builder setTextBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        text_ = value;
+        bitField0_ |= 0x00000008;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object documentName_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The full document name for the referenced Vertex AI Search
+       * document.
+       * </pre>
+       *
+       * <code>optional string document_name = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+       * </code>
+       *
+       * @return Whether the documentName field is set.
+       */
+      public boolean hasDocumentName() {
+        return ((bitField0_ & 0x00000010) != 0);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The full document name for the referenced Vertex AI Search
+       * document.
+       * </pre>
+       *
+       * <code>optional string document_name = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+       * </code>
+       *
+       * @return The documentName.
+       */
+      public java.lang.String getDocumentName() {
+        java.lang.Object ref = documentName_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          documentName_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The full document name for the referenced Vertex AI Search
+       * document.
+       * </pre>
+       *
+       * <code>optional string document_name = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+       * </code>
+       *
+       * @return The bytes for documentName.
+       */
+      public com.google.protobuf.ByteString getDocumentNameBytes() {
+        java.lang.Object ref = documentName_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          documentName_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The full document name for the referenced Vertex AI Search
+       * document.
+       * </pre>
+       *
+       * <code>optional string document_name = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+       * </code>
+       *
+       * @param value The documentName to set.
+       * @return This builder for chaining.
+       */
+      public Builder setDocumentName(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        documentName_ = value;
+        bitField0_ |= 0x00000010;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The full document name for the referenced Vertex AI Search
+       * document.
+       * </pre>
+       *
+       * <code>optional string document_name = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearDocumentName() {
+        documentName_ = getDefaultInstance().getDocumentName();
+        bitField0_ = (bitField0_ & ~0x00000010);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The full document name for the referenced Vertex AI Search
+       * document.
+       * </pre>
+       *
+       * <code>optional string document_name = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+       * </code>
+       *
+       * @param value The bytes for documentName to set.
+       * @return This builder for chaining.
+       */
+      public Builder setDocumentNameBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        documentName_ = value;
+        bitField0_ |= 0x00000010;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GroundingChunk.RetrievedContext)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.GroundingChunk.RetrievedContext)
+    private static final com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext();
+    }
+
+    public static com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<RetrievedContext> PARSER =
+        new com.google.protobuf.AbstractParser<RetrievedContext>() {
+          @java.lang.Override
+          public RetrievedContext parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<RetrievedContext> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<RetrievedContext> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface MapsOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GroundingChunk.Maps)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * URI reference of the chunk.
+     * </pre>
+     *
+     * <code>optional string uri = 1;</code>
+     *
+     * @return Whether the uri field is set.
+     */
+    boolean hasUri();
+
+    /**
+     *
+     *
+     * <pre>
+     * URI reference of the chunk.
+     * </pre>
+     *
+     * <code>optional string uri = 1;</code>
+     *
+     * @return The uri.
+     */
+    java.lang.String getUri();
+
+    /**
+     *
+     *
+     * <pre>
+     * URI reference of the chunk.
+     * </pre>
+     *
+     * <code>optional string uri = 1;</code>
+     *
+     * @return The bytes for uri.
+     */
+    com.google.protobuf.ByteString getUriBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Title of the chunk.
+     * </pre>
+     *
+     * <code>optional string title = 2;</code>
+     *
+     * @return Whether the title field is set.
+     */
+    boolean hasTitle();
+
+    /**
+     *
+     *
+     * <pre>
+     * Title of the chunk.
+     * </pre>
+     *
+     * <code>optional string title = 2;</code>
+     *
+     * @return The title.
+     */
+    java.lang.String getTitle();
+
+    /**
+     *
+     *
+     * <pre>
+     * Title of the chunk.
+     * </pre>
+     *
+     * <code>optional string title = 2;</code>
+     *
+     * @return The bytes for title.
+     */
+    com.google.protobuf.ByteString getTitleBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Text of the chunk.
+     * </pre>
+     *
+     * <code>optional string text = 3;</code>
+     *
+     * @return Whether the text field is set.
+     */
+    boolean hasText();
+
+    /**
+     *
+     *
+     * <pre>
+     * Text of the chunk.
+     * </pre>
+     *
+     * <code>optional string text = 3;</code>
+     *
+     * @return The text.
+     */
+    java.lang.String getText();
+
+    /**
+     *
+     *
+     * <pre>
+     * Text of the chunk.
+     * </pre>
+     *
+     * <code>optional string text = 3;</code>
+     *
+     * @return The bytes for text.
+     */
+    com.google.protobuf.ByteString getTextBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * This Place's resource name, in `places/{place_id}` format.  Can be used
+     * to look up the Place.
+     * </pre>
+     *
+     * <code>optional string place_id = 4;</code>
+     *
+     * @return Whether the placeId field is set.
+     */
+    boolean hasPlaceId();
+
+    /**
+     *
+     *
+     * <pre>
+     * This Place's resource name, in `places/{place_id}` format.  Can be used
+     * to look up the Place.
+     * </pre>
+     *
+     * <code>optional string place_id = 4;</code>
+     *
+     * @return The placeId.
+     */
+    java.lang.String getPlaceId();
+
+    /**
+     *
+     *
+     * <pre>
+     * This Place's resource name, in `places/{place_id}` format.  Can be used
+     * to look up the Place.
+     * </pre>
+     *
+     * <code>optional string place_id = 4;</code>
+     *
+     * @return The bytes for placeId.
+     */
+    com.google.protobuf.ByteString getPlaceIdBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Sources used to generate the place answer.
+     * This includes review snippets and photos that were used to generate the
+     * answer, as well as uris to flag content.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources place_answer_sources = 5;
+     * </code>
+     *
+     * @return Whether the placeAnswerSources field is set.
+     */
+    boolean hasPlaceAnswerSources();
+
+    /**
+     *
+     *
+     * <pre>
+     * Sources used to generate the place answer.
+     * This includes review snippets and photos that were used to generate the
+     * answer, as well as uris to flag content.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources place_answer_sources = 5;
+     * </code>
+     *
+     * @return The placeAnswerSources.
+     */
+    com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources getPlaceAnswerSources();
+
+    /**
+     *
+     *
+     * <pre>
+     * Sources used to generate the place answer.
+     * This includes review snippets and photos that were used to generate the
+     * answer, as well as uris to flag content.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources place_answer_sources = 5;
+     * </code>
+     */
+    com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSourcesOrBuilder
+        getPlaceAnswerSourcesOrBuilder();
+  }
+
+  /**
+   *
+   *
+   * <pre>
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+          }
+
+          @java.lang.Override
+          public Builder clear() {
+            super.clear();
+            bitField0_ = 0;
+            reviewId_ = "";
+            googleMapsUri_ = "";
+            title_ = "";
+            return this;
+          }
+
+          @java.lang.Override
+          public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+            return com.google.cloud.vertexai.api.ContentProto
+                .internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_ReviewSnippet_descriptor;
+          }
+
+          @java.lang.Override
+          public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+              getDefaultInstanceForType() {
+            return com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                .ReviewSnippet.getDefaultInstance();
+          }
+
+          @java.lang.Override
+          public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+              build() {
+            com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                result = buildPartial();
+            if (!result.isInitialized()) {
+              throw newUninitializedMessageException(result);
+            }
+            return result;
+          }
+
+          @java.lang.Override
+          public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+              buildPartial() {
+            com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                result =
+                    new com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                        .ReviewSnippet(this);
+            if (bitField0_ != 0) {
+              buildPartial0(result);
+            }
+            onBuilt();
+            return result;
+          }
+
+          private void buildPartial0(
+              com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                  result) {
+            int from_bitField0_ = bitField0_;
+            if (((from_bitField0_ & 0x00000001) != 0)) {
+              result.reviewId_ = reviewId_;
+            }
+            if (((from_bitField0_ & 0x00000002) != 0)) {
+              result.googleMapsUri_ = googleMapsUri_;
+            }
+            if (((from_bitField0_ & 0x00000004) != 0)) {
+              result.title_ = title_;
+            }
+          }
+
+          @java.lang.Override
+          public Builder mergeFrom(com.google.protobuf.Message other) {
+            if (other
+                instanceof
+                com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                    .ReviewSnippet) {
+              return mergeFrom(
+                  (com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                          .ReviewSnippet)
+                      other);
+            } else {
+              super.mergeFrom(other);
+              return this;
+            }
+          }
+
+          public Builder mergeFrom(
+              com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                  other) {
+            if (other
+                == com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                    .ReviewSnippet.getDefaultInstance()) return this;
+            if (!other.getReviewId().isEmpty()) {
+              reviewId_ = other.reviewId_;
+              bitField0_ |= 0x00000001;
+              onChanged();
+            }
+            if (!other.getGoogleMapsUri().isEmpty()) {
+              googleMapsUri_ = other.googleMapsUri_;
+              bitField0_ |= 0x00000002;
+              onChanged();
+            }
+            if (!other.getTitle().isEmpty()) {
+              title_ = other.title_;
+              bitField0_ |= 0x00000004;
+              onChanged();
+            }
+            this.mergeUnknownFields(other.getUnknownFields());
+            onChanged();
+            return this;
+          }
+
+          @java.lang.Override
+          public final boolean isInitialized() {
+            return true;
+          }
+
+          @java.lang.Override
+          public Builder mergeFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws java.io.IOException {
+            if (extensionRegistry == null) {
+              throw new java.lang.NullPointerException();
+            }
+            try {
+              boolean done = false;
+              while (!done) {
+                int tag = input.readTag();
+                switch (tag) {
+                  case 0:
+                    done = true;
+                    break;
+                  case 10:
+                    {
+                      reviewId_ = input.readStringRequireUtf8();
+                      bitField0_ |= 0x00000001;
+                      break;
+                    } // case 10
+                  case 18:
+                    {
+                      googleMapsUri_ = input.readStringRequireUtf8();
+                      bitField0_ |= 0x00000002;
+                      break;
+                    } // case 18
+                  case 26:
+                    {
+                      title_ = input.readStringRequireUtf8();
+                      bitField0_ |= 0x00000004;
+                      break;
+                    } // case 26
+                  default:
+                    {
+                      if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                        done = true; // was an endgroup tag
+                      }
+                      break;
+                    } // default:
+                } // switch (tag)
+              } // while (!done)
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.unwrapIOException();
+            } finally {
+              onChanged();
+            } // finally
+            return this;
+          }
+
+          private int bitField0_;
+
+          private java.lang.Object reviewId_ = "";
+
+          /**
+           *
+           *
+           * <pre>
+           * Id of the review referencing the place.
+           * </pre>
+           *
+           * <code>string review_id = 1;</code>
+           *
+           * @return The reviewId.
+           */
+          public java.lang.String getReviewId() {
+            java.lang.Object ref = reviewId_;
+            if (!(ref instanceof java.lang.String)) {
+              com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+              java.lang.String s = bs.toStringUtf8();
+              reviewId_ = s;
+              return s;
+            } else {
+              return (java.lang.String) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Id of the review referencing the place.
+           * </pre>
+           *
+           * <code>string review_id = 1;</code>
+           *
+           * @return The bytes for reviewId.
+           */
+          public com.google.protobuf.ByteString getReviewIdBytes() {
+            java.lang.Object ref = reviewId_;
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              reviewId_ = b;
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Id of the review referencing the place.
+           * </pre>
+           *
+           * <code>string review_id = 1;</code>
+           *
+           * @param value The reviewId to set.
+           * @return This builder for chaining.
+           */
+          public Builder setReviewId(java.lang.String value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            reviewId_ = value;
+            bitField0_ |= 0x00000001;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Id of the review referencing the place.
+           * </pre>
+           *
+           * <code>string review_id = 1;</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearReviewId() {
+            reviewId_ = getDefaultInstance().getReviewId();
+            bitField0_ = (bitField0_ & ~0x00000001);
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Id of the review referencing the place.
+           * </pre>
+           *
+           * <code>string review_id = 1;</code>
+           *
+           * @param value The bytes for reviewId to set.
+           * @return This builder for chaining.
+           */
+          public Builder setReviewIdBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            checkByteStringIsUtf8(value);
+            reviewId_ = value;
+            bitField0_ |= 0x00000001;
+            onChanged();
+            return this;
+          }
+
+          private java.lang.Object googleMapsUri_ = "";
+
+          /**
+           *
+           *
+           * <pre>
+           * A link to show the review on Google Maps.
+           * </pre>
+           *
+           * <code>string google_maps_uri = 2;</code>
+           *
+           * @return The googleMapsUri.
+           */
+          public java.lang.String getGoogleMapsUri() {
+            java.lang.Object ref = googleMapsUri_;
+            if (!(ref instanceof java.lang.String)) {
+              com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+              java.lang.String s = bs.toStringUtf8();
+              googleMapsUri_ = s;
+              return s;
+            } else {
+              return (java.lang.String) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * A link to show the review on Google Maps.
+           * </pre>
+           *
+           * <code>string google_maps_uri = 2;</code>
+           *
+           * @return The bytes for googleMapsUri.
+           */
+          public com.google.protobuf.ByteString getGoogleMapsUriBytes() {
+            java.lang.Object ref = googleMapsUri_;
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              googleMapsUri_ = b;
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * A link to show the review on Google Maps.
+           * </pre>
+           *
+           * <code>string google_maps_uri = 2;</code>
+           *
+           * @param value The googleMapsUri to set.
+           * @return This builder for chaining.
+           */
+          public Builder setGoogleMapsUri(java.lang.String value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            googleMapsUri_ = value;
+            bitField0_ |= 0x00000002;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * A link to show the review on Google Maps.
+           * </pre>
+           *
+           * <code>string google_maps_uri = 2;</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearGoogleMapsUri() {
+            googleMapsUri_ = getDefaultInstance().getGoogleMapsUri();
+            bitField0_ = (bitField0_ & ~0x00000002);
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * A link to show the review on Google Maps.
+           * </pre>
+           *
+           * <code>string google_maps_uri = 2;</code>
+           *
+           * @param value The bytes for googleMapsUri to set.
+           * @return This builder for chaining.
+           */
+          public Builder setGoogleMapsUriBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            checkByteStringIsUtf8(value);
+            googleMapsUri_ = value;
+            bitField0_ |= 0x00000002;
+            onChanged();
+            return this;
+          }
+
+          private java.lang.Object title_ = "";
+
+          /**
+           *
+           *
+           * <pre>
+           * Title of the review.
+           * </pre>
+           *
+           * <code>string title = 3;</code>
+           *
+           * @return The title.
+           */
+          public java.lang.String getTitle() {
+            java.lang.Object ref = title_;
+            if (!(ref instanceof java.lang.String)) {
+              com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+              java.lang.String s = bs.toStringUtf8();
+              title_ = s;
+              return s;
+            } else {
+              return (java.lang.String) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Title of the review.
+           * </pre>
+           *
+           * <code>string title = 3;</code>
+           *
+           * @return The bytes for title.
+           */
+          public com.google.protobuf.ByteString getTitleBytes() {
+            java.lang.Object ref = title_;
+            if (ref instanceof String) {
+              com.google.protobuf.ByteString b =
+                  com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+              title_ = b;
+              return b;
+            } else {
+              return (com.google.protobuf.ByteString) ref;
+            }
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Title of the review.
+           * </pre>
+           *
+           * <code>string title = 3;</code>
+           *
+           * @param value The title to set.
+           * @return This builder for chaining.
+           */
+          public Builder setTitle(java.lang.String value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            title_ = value;
+            bitField0_ |= 0x00000004;
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Title of the review.
+           * </pre>
+           *
+           * <code>string title = 3;</code>
+           *
+           * @return This builder for chaining.
+           */
+          public Builder clearTitle() {
+            title_ = getDefaultInstance().getTitle();
+            bitField0_ = (bitField0_ & ~0x00000004);
+            onChanged();
+            return this;
+          }
+
+          /**
+           *
+           *
+           * <pre>
+           * Title of the review.
+           * </pre>
+           *
+           * <code>string title = 3;</code>
+           *
+           * @param value The bytes for title to set.
+           * @return This builder for chaining.
+           */
+          public Builder setTitleBytes(com.google.protobuf.ByteString value) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            checkByteStringIsUtf8(value);
+            title_ = value;
+            bitField0_ |= 0x00000004;
+            onChanged();
+            return this;
+          }
+
+          // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet)
+        }
+
+        // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet)
+        private static final com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                .ReviewSnippet
+            DEFAULT_INSTANCE;
+
+        static {
+          DEFAULT_INSTANCE =
+              new com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                  .ReviewSnippet();
+        }
+
+        public static com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                .ReviewSnippet
+            getDefaultInstance() {
+          return DEFAULT_INSTANCE;
+        }
+
+        private static final com.google.protobuf.Parser<ReviewSnippet> PARSER =
+            new com.google.protobuf.AbstractParser<ReviewSnippet>() {
+              @java.lang.Override
+              public ReviewSnippet parsePartialFrom(
+                  com.google.protobuf.CodedInputStream input,
+                  com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                  throws com.google.protobuf.InvalidProtocolBufferException {
+                Builder builder = newBuilder();
+                try {
+                  builder.mergeFrom(input, extensionRegistry);
+                } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+                  throw e.setUnfinishedMessage(builder.buildPartial());
+                } catch (com.google.protobuf.UninitializedMessageException e) {
+                  throw e.asInvalidProtocolBufferException()
+                      .setUnfinishedMessage(builder.buildPartial());
+                } catch (java.io.IOException e) {
+                  throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                      .setUnfinishedMessage(builder.buildPartial());
+                }
+                return builder.buildPartial();
+              }
+            };
+
+        public static com.google.protobuf.Parser<ReviewSnippet> parser() {
+          return PARSER;
+        }
+
+        @java.lang.Override
+        public com.google.protobuf.Parser<ReviewSnippet> getParserForType() {
+          return PARSER;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+            getDefaultInstanceForType() {
+          return DEFAULT_INSTANCE;
+        }
+      }
+
+      public static final int REVIEW_SNIPPETS_FIELD_NUMBER = 1;
+
+      @SuppressWarnings("serial")
+      private java.util.List<
+              com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet>
+          reviewSnippets_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Snippets of reviews that are used to generate the answer.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+       * </code>
+       */
+      @java.lang.Override
+      public java.util.List<
+              com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet>
+          getReviewSnippetsList() {
+        return reviewSnippets_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Snippets of reviews that are used to generate the answer.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+       * </code>
+       */
+      @java.lang.Override
+      public java.util.List<
+              ? extends
+                  com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                      .ReviewSnippetOrBuilder>
+          getReviewSnippetsOrBuilderList() {
+        return reviewSnippets_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Snippets of reviews that are used to generate the answer.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+       * </code>
+       */
+      @java.lang.Override
+      public int getReviewSnippetsCount() {
+        return reviewSnippets_.size();
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Snippets of reviews that are used to generate the answer.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+       * </code>
+       */
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+          getReviewSnippets(int index) {
+        return reviewSnippets_.get(index);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Snippets of reviews that are used to generate the answer.
+       * </pre>
+       *
+       * <code>
+       * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+       * </code>
+       */
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+              .ReviewSnippetOrBuilder
+          getReviewSnippetsOrBuilder(int index) {
+        return reviewSnippets_.get(index);
+      }
+
+      private byte memoizedIsInitialized = -1;
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        byte isInitialized = memoizedIsInitialized;
+        if (isInitialized == 1) return true;
+        if (isInitialized == 0) return false;
+
+        memoizedIsInitialized = 1;
+        return true;
+      }
+
+      @java.lang.Override
+      public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+        for (int i = 0; i < reviewSnippets_.size(); i++) {
+          output.writeMessage(1, reviewSnippets_.get(i));
+        }
+        getUnknownFields().writeTo(output);
+      }
+
+      @java.lang.Override
+      public int getSerializedSize() {
+        int size = memoizedSize;
+        if (size != -1) return size;
+
+        size = 0;
+        for (int i = 0; i < reviewSnippets_.size(); i++) {
+          size +=
+              com.google.protobuf.CodedOutputStream.computeMessageSize(1, reviewSnippets_.get(i));
+        }
+        size += getUnknownFields().getSerializedSize();
+        memoizedSize = size;
+        return size;
+      }
+
+      @java.lang.Override
+      public boolean equals(final java.lang.Object obj) {
+        if (obj == this) {
+          return true;
+        }
+        if (!(obj
+            instanceof com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources)) {
+          return super.equals(obj);
+        }
+        com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources other =
+            (com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources) obj;
+
+        if (!getReviewSnippetsList().equals(other.getReviewSnippetsList())) return false;
+        if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+        return true;
+      }
+
+      @java.lang.Override
+      public int hashCode() {
+        if (memoizedHashCode != 0) {
+          return memoizedHashCode;
+        }
+        int hash = 41;
+        hash = (19 * hash) + getDescriptor().hashCode();
+        if (getReviewSnippetsCount() > 0) {
+          hash = (37 * hash) + REVIEW_SNIPPETS_FIELD_NUMBER;
+          hash = (53 * hash) + getReviewSnippetsList().hashCode();
+        }
+        hash = (29 * hash) + getUnknownFields().hashCode();
+        memoizedHashCode = hash;
+        return hash;
+      }
+
+      public static com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources parseFrom(
+          java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources parseFrom(
+          java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources parseFrom(
+          com.google.protobuf.ByteString data)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources parseFrom(
+          com.google.protobuf.ByteString data,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources parseFrom(
+          byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources parseFrom(
+          byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources parseFrom(
+          java.io.InputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources parseFrom(
+          java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+          parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+          parseDelimitedFrom(
+              java.io.InputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources parseFrom(
+          com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources parseFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      @java.lang.Override
+      public Builder newBuilderForType() {
+        return newBuilder();
+      }
+
+      public static Builder newBuilder() {
+        return DEFAULT_INSTANCE.toBuilder();
+      }
+
+      public static Builder newBuilder(
+          com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources prototype) {
+        return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+      }
+
+      @java.lang.Override
+      public Builder toBuilder() {
+        return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      }
+
+      @java.lang.Override
+      protected Builder newBuilderForType(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        Builder builder = new Builder(parent);
+        return builder;
+      }
+
+      /** Protobuf type {@code google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources} */
+      public static final class Builder
+          extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+          implements
+          // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources)
+          com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSourcesOrBuilder {
+        public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+          return com.google.cloud.vertexai.api.ContentProto
+              .internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_descriptor;
+        }
+
+        @java.lang.Override
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+            internalGetFieldAccessorTable() {
+          return com.google.cloud.vertexai.api.ContentProto
+              .internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_fieldAccessorTable
+              .ensureFieldAccessorsInitialized(
+                  com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.class,
+                  com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.Builder
+                      .class);
+        }
+
+        // Construct using
+        // com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.newBuilder()
+        private Builder() {}
+
+        private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+          super(parent);
+        }
+
+        @java.lang.Override
+        public Builder clear() {
+          super.clear();
+          bitField0_ = 0;
+          if (reviewSnippetsBuilder_ == null) {
+            reviewSnippets_ = java.util.Collections.emptyList();
+          } else {
+            reviewSnippets_ = null;
+            reviewSnippetsBuilder_.clear();
+          }
+          bitField0_ = (bitField0_ & ~0x00000001);
+          return this;
+        }
+
+        @java.lang.Override
+        public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+          return com.google.cloud.vertexai.api.ContentProto
+              .internal_static_google_cloud_vertexai_v1_GroundingChunk_Maps_PlaceAnswerSources_descriptor;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+            getDefaultInstanceForType() {
+          return com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+              .getDefaultInstance();
+        }
+
+        @java.lang.Override
+        public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources build() {
+          com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources result =
+              buildPartial();
+          if (!result.isInitialized()) {
+            throw newUninitializedMessageException(result);
+          }
+          return result;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources buildPartial() {
+          com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources result =
+              new com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources(this);
+          buildPartialRepeatedFields(result);
+          if (bitField0_ != 0) {
+            buildPartial0(result);
+          }
+          onBuilt();
+          return result;
+        }
+
+        private void buildPartialRepeatedFields(
+            com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources result) {
+          if (reviewSnippetsBuilder_ == null) {
+            if (((bitField0_ & 0x00000001) != 0)) {
+              reviewSnippets_ = java.util.Collections.unmodifiableList(reviewSnippets_);
+              bitField0_ = (bitField0_ & ~0x00000001);
+            }
+            result.reviewSnippets_ = reviewSnippets_;
+          } else {
+            result.reviewSnippets_ = reviewSnippetsBuilder_.build();
+          }
+        }
+
+        private void buildPartial0(
+            com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources result) {
+          int from_bitField0_ = bitField0_;
+        }
+
+        @java.lang.Override
+        public Builder mergeFrom(com.google.protobuf.Message other) {
+          if (other
+              instanceof com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources) {
+            return mergeFrom(
+                (com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources) other);
+          } else {
+            super.mergeFrom(other);
+            return this;
+          }
+        }
+
+        public Builder mergeFrom(
+            com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources other) {
+          if (other
+              == com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                  .getDefaultInstance()) return this;
+          if (reviewSnippetsBuilder_ == null) {
+            if (!other.reviewSnippets_.isEmpty()) {
+              if (reviewSnippets_.isEmpty()) {
+                reviewSnippets_ = other.reviewSnippets_;
+                bitField0_ = (bitField0_ & ~0x00000001);
+              } else {
+                ensureReviewSnippetsIsMutable();
+                reviewSnippets_.addAll(other.reviewSnippets_);
+              }
+              onChanged();
+            }
+          } else {
+            if (!other.reviewSnippets_.isEmpty()) {
+              if (reviewSnippetsBuilder_.isEmpty()) {
+                reviewSnippetsBuilder_.dispose();
+                reviewSnippetsBuilder_ = null;
+                reviewSnippets_ = other.reviewSnippets_;
+                bitField0_ = (bitField0_ & ~0x00000001);
+                reviewSnippetsBuilder_ =
+                    com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                        ? internalGetReviewSnippetsFieldBuilder()
+                        : null;
+              } else {
+                reviewSnippetsBuilder_.addAllMessages(other.reviewSnippets_);
+              }
+            }
+          }
+          this.mergeUnknownFields(other.getUnknownFields());
+          onChanged();
+          return this;
+        }
+
+        @java.lang.Override
+        public final boolean isInitialized() {
+          return true;
+        }
+
+        @java.lang.Override
+        public Builder mergeFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+          if (extensionRegistry == null) {
+            throw new java.lang.NullPointerException();
+          }
+          try {
+            boolean done = false;
+            while (!done) {
+              int tag = input.readTag();
+              switch (tag) {
+                case 0:
+                  done = true;
+                  break;
+                case 10:
+                  {
+                    com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                            .ReviewSnippet
+                        m =
+                            input.readMessage(
+                                com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                                    .ReviewSnippet.parser(),
+                                extensionRegistry);
+                    if (reviewSnippetsBuilder_ == null) {
+                      ensureReviewSnippetsIsMutable();
+                      reviewSnippets_.add(m);
+                    } else {
+                      reviewSnippetsBuilder_.addMessage(m);
+                    }
+                    break;
+                  } // case 10
+                default:
+                  {
+                    if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                      done = true; // was an endgroup tag
+                    }
+                    break;
+                  } // default:
+              } // switch (tag)
+            } // while (!done)
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.unwrapIOException();
+          } finally {
+            onChanged();
+          } // finally
+          return this;
+        }
+
+        private int bitField0_;
+
+        private java.util.List<
+                com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet>
+            reviewSnippets_ = java.util.Collections.emptyList();
+
+        private void ensureReviewSnippetsIsMutable() {
+          if (!((bitField0_ & 0x00000001) != 0)) {
+            reviewSnippets_ =
+                new java.util.ArrayList<
+                    com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                        .ReviewSnippet>(reviewSnippets_);
+            bitField0_ |= 0x00000001;
+          }
+        }
+
+        private com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet,
+                com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                    .Builder,
+                com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                    .ReviewSnippetOrBuilder>
+            reviewSnippetsBuilder_;
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public java.util.List<
+                com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet>
+            getReviewSnippetsList() {
+          if (reviewSnippetsBuilder_ == null) {
+            return java.util.Collections.unmodifiableList(reviewSnippets_);
+          } else {
+            return reviewSnippetsBuilder_.getMessageList();
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public int getReviewSnippetsCount() {
+          if (reviewSnippetsBuilder_ == null) {
+            return reviewSnippets_.size();
+          } else {
+            return reviewSnippetsBuilder_.getCount();
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+            getReviewSnippets(int index) {
+          if (reviewSnippetsBuilder_ == null) {
+            return reviewSnippets_.get(index);
+          } else {
+            return reviewSnippetsBuilder_.getMessage(index);
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public Builder setReviewSnippets(
+            int index,
+            com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                value) {
+          if (reviewSnippetsBuilder_ == null) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            ensureReviewSnippetsIsMutable();
+            reviewSnippets_.set(index, value);
+            onChanged();
+          } else {
+            reviewSnippetsBuilder_.setMessage(index, value);
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public Builder setReviewSnippets(
+            int index,
+            com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                    .Builder
+                builderForValue) {
+          if (reviewSnippetsBuilder_ == null) {
+            ensureReviewSnippetsIsMutable();
+            reviewSnippets_.set(index, builderForValue.build());
+            onChanged();
+          } else {
+            reviewSnippetsBuilder_.setMessage(index, builderForValue.build());
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public Builder addReviewSnippets(
+            com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                value) {
+          if (reviewSnippetsBuilder_ == null) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            ensureReviewSnippetsIsMutable();
+            reviewSnippets_.add(value);
+            onChanged();
+          } else {
+            reviewSnippetsBuilder_.addMessage(value);
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public Builder addReviewSnippets(
+            int index,
+            com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                value) {
+          if (reviewSnippetsBuilder_ == null) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            ensureReviewSnippetsIsMutable();
+            reviewSnippets_.add(index, value);
+            onChanged();
+          } else {
+            reviewSnippetsBuilder_.addMessage(index, value);
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public Builder addReviewSnippets(
+            com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                    .Builder
+                builderForValue) {
+          if (reviewSnippetsBuilder_ == null) {
+            ensureReviewSnippetsIsMutable();
+            reviewSnippets_.add(builderForValue.build());
+            onChanged();
+          } else {
+            reviewSnippetsBuilder_.addMessage(builderForValue.build());
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public Builder addReviewSnippets(
+            int index,
+            com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                    .Builder
+                builderForValue) {
+          if (reviewSnippetsBuilder_ == null) {
+            ensureReviewSnippetsIsMutable();
+            reviewSnippets_.add(index, builderForValue.build());
+            onChanged();
+          } else {
+            reviewSnippetsBuilder_.addMessage(index, builderForValue.build());
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public Builder addAllReviewSnippets(
+            java.lang.Iterable<
+                    ? extends
+                        com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                            .ReviewSnippet>
+                values) {
+          if (reviewSnippetsBuilder_ == null) {
+            ensureReviewSnippetsIsMutable();
+            com.google.protobuf.AbstractMessageLite.Builder.addAll(values, reviewSnippets_);
+            onChanged();
+          } else {
+            reviewSnippetsBuilder_.addAllMessages(values);
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public Builder clearReviewSnippets() {
+          if (reviewSnippetsBuilder_ == null) {
+            reviewSnippets_ = java.util.Collections.emptyList();
+            bitField0_ = (bitField0_ & ~0x00000001);
+            onChanged();
+          } else {
+            reviewSnippetsBuilder_.clear();
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public Builder removeReviewSnippets(int index) {
+          if (reviewSnippetsBuilder_ == null) {
+            ensureReviewSnippetsIsMutable();
+            reviewSnippets_.remove(index);
+            onChanged();
+          } else {
+            reviewSnippetsBuilder_.remove(index);
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                .Builder
+            getReviewSnippetsBuilder(int index) {
+          return internalGetReviewSnippetsFieldBuilder().getBuilder(index);
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                .ReviewSnippetOrBuilder
+            getReviewSnippetsOrBuilder(int index) {
+          if (reviewSnippetsBuilder_ == null) {
+            return reviewSnippets_.get(index);
+          } else {
+            return reviewSnippetsBuilder_.getMessageOrBuilder(index);
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public java.util.List<
+                ? extends
+                    com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                        .ReviewSnippetOrBuilder>
+            getReviewSnippetsOrBuilderList() {
+          if (reviewSnippetsBuilder_ != null) {
+            return reviewSnippetsBuilder_.getMessageOrBuilderList();
+          } else {
+            return java.util.Collections.unmodifiableList(reviewSnippets_);
+          }
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                .Builder
+            addReviewSnippetsBuilder() {
+          return internalGetReviewSnippetsFieldBuilder()
+              .addBuilder(
+                  com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                      .getDefaultInstance());
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                .Builder
+            addReviewSnippetsBuilder(int index) {
+          return internalGetReviewSnippetsFieldBuilder()
+              .addBuilder(
+                  index,
+                  com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                      .getDefaultInstance());
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Snippets of reviews that are used to generate the answer.
+         * </pre>
+         *
+         * <code>
+         * repeated .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet review_snippets = 1;
+         * </code>
+         */
+        public java.util.List<
+                com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                    .Builder>
+            getReviewSnippetsBuilderList() {
+          return internalGetReviewSnippetsFieldBuilder().getBuilderList();
+        }
+
+        private com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet,
+                com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.ReviewSnippet
+                    .Builder,
+                com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                    .ReviewSnippetOrBuilder>
+            internalGetReviewSnippetsFieldBuilder() {
+          if (reviewSnippetsBuilder_ == null) {
+            reviewSnippetsBuilder_ =
+                new com.google.protobuf.RepeatedFieldBuilder<
+                    com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                        .ReviewSnippet,
+                    com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                        .ReviewSnippet.Builder,
+                    com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                        .ReviewSnippetOrBuilder>(
+                    reviewSnippets_,
+                    ((bitField0_ & 0x00000001) != 0),
+                    getParentForChildren(),
+                    isClean());
+            reviewSnippets_ = null;
+          }
+          return reviewSnippetsBuilder_;
+        }
+
+        // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources)
+      }
+
+      // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources)
+      private static final com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+          DEFAULT_INSTANCE;
+
+      static {
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+          to_bitField0_ |= 0x00000002;
+        }
+        if (((from_bitField0_ & 0x00000004) != 0)) {
+          result.text_ = text_;
+          to_bitField0_ |= 0x00000004;
+        }
+        if (((from_bitField0_ & 0x00000008) != 0)) {
+          result.placeId_ = placeId_;
+          to_bitField0_ |= 0x00000008;
+        }
+        if (((from_bitField0_ & 0x00000010) != 0)) {
+          result.placeAnswerSources_ =
+              placeAnswerSourcesBuilder_ == null
+                  ? placeAnswerSources_
+                  : placeAnswerSourcesBuilder_.build();
+          to_bitField0_ |= 0x00000010;
+        }
+        result.bitField0_ |= to_bitField0_;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.vertexai.api.GroundingChunk.Maps) {
+          return mergeFrom((com.google.cloud.vertexai.api.GroundingChunk.Maps) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.google.cloud.vertexai.api.GroundingChunk.Maps other) {
+        if (other == com.google.cloud.vertexai.api.GroundingChunk.Maps.getDefaultInstance())
+          return this;
+        if (other.hasUri()) {
+          uri_ = other.uri_;
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        if (other.hasTitle()) {
+          title_ = other.title_;
+          bitField0_ |= 0x00000002;
+          onChanged();
+        }
+        if (other.hasText()) {
+          text_ = other.text_;
+          bitField0_ |= 0x00000004;
+          onChanged();
+        }
+        if (other.hasPlaceId()) {
+          placeId_ = other.placeId_;
+          bitField0_ |= 0x00000008;
+          onChanged();
+        }
+        if (other.hasPlaceAnswerSources()) {
+          mergePlaceAnswerSources(other.getPlaceAnswerSources());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  uri_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 10
+              case 18:
+                {
+                  title_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 18
+              case 26:
+                {
+                  text_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000004;
+                  break;
+                } // case 26
+              case 34:
+                {
+                  placeId_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000008;
+                  break;
+                } // case 34
+              case 42:
+                {
+                  input.readMessage(
+                      internalGetPlaceAnswerSourcesFieldBuilder().getBuilder(), extensionRegistry);
+                  bitField0_ |= 0x00000010;
+                  break;
+                } // case 42
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.lang.Object uri_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * URI reference of the chunk.
+       * </pre>
+       *
+       * <code>optional string uri = 1;</code>
+       *
+       * @return Whether the uri field is set.
+       */
+      public boolean hasUri() {
+        return ((bitField0_ & 0x00000001) != 0);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * URI reference of the chunk.
+       * </pre>
+       *
+       * <code>optional string uri = 1;</code>
+       *
+       * @return The uri.
+       */
+      public java.lang.String getUri() {
+        java.lang.Object ref = uri_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          uri_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * URI reference of the chunk.
+       * </pre>
+       *
+       * <code>optional string uri = 1;</code>
+       *
+       * @return The bytes for uri.
+       */
+      public com.google.protobuf.ByteString getUriBytes() {
+        java.lang.Object ref = uri_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          uri_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * URI reference of the chunk.
+       * </pre>
+       *
+       * <code>optional string uri = 1;</code>
+       *
+       * @param value The uri to set.
+       * @return This builder for chaining.
+       */
+      public Builder setUri(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        uri_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * URI reference of the chunk.
+       * </pre>
+       *
+       * <code>optional string uri = 1;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearUri() {
+        uri_ = getDefaultInstance().getUri();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * URI reference of the chunk.
+       * </pre>
+       *
+       * <code>optional string uri = 1;</code>
+       *
+       * @param value The bytes for uri to set.
+       * @return This builder for chaining.
+       */
+      public Builder setUriBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        uri_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object title_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Title of the chunk.
+       * </pre>
+       *
+       * <code>optional string title = 2;</code>
+       *
+       * @return Whether the title field is set.
+       */
+      public boolean hasTitle() {
+        return ((bitField0_ & 0x00000002) != 0);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Title of the chunk.
+       * </pre>
+       *
+       * <code>optional string title = 2;</code>
+       *
+       * @return The title.
+       */
+      public java.lang.String getTitle() {
+        java.lang.Object ref = title_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          title_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Title of the chunk.
+       * </pre>
+       *
+       * <code>optional string title = 2;</code>
+       *
+       * @return The bytes for title.
+       */
+      public com.google.protobuf.ByteString getTitleBytes() {
+        java.lang.Object ref = title_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          title_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Title of the chunk.
+       * </pre>
+       *
+       * <code>optional string title = 2;</code>
+       *
+       * @param value The title to set.
+       * @return This builder for chaining.
+       */
+      public Builder setTitle(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        title_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Title of the chunk.
+       * </pre>
+       *
+       * <code>optional string title = 2;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearTitle() {
+        title_ = getDefaultInstance().getTitle();
+        bitField0_ = (bitField0_ & ~0x00000002);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Title of the chunk.
+       * </pre>
+       *
+       * <code>optional string title = 2;</code>
+       *
+       * @param value The bytes for title to set.
+       * @return This builder for chaining.
+       */
+      public Builder setTitleBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        title_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object text_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Text of the chunk.
+       * </pre>
+       *
+       * <code>optional string text = 3;</code>
+       *
+       * @return Whether the text field is set.
+       */
+      public boolean hasText() {
+        return ((bitField0_ & 0x00000004) != 0);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Text of the chunk.
+       * </pre>
+       *
+       * <code>optional string text = 3;</code>
+       *
+       * @return The text.
+       */
+      public java.lang.String getText() {
+        java.lang.Object ref = text_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          text_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Text of the chunk.
+       * </pre>
+       *
+       * <code>optional string text = 3;</code>
+       *
+       * @return The bytes for text.
+       */
+      public com.google.protobuf.ByteString getTextBytes() {
+        java.lang.Object ref = text_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          text_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Text of the chunk.
+       * </pre>
+       *
+       * <code>optional string text = 3;</code>
+       *
+       * @param value The text to set.
+       * @return This builder for chaining.
+       */
+      public Builder setText(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        text_ = value;
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Text of the chunk.
+       * </pre>
+       *
+       * <code>optional string text = 3;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearText() {
+        text_ = getDefaultInstance().getText();
+        bitField0_ = (bitField0_ & ~0x00000004);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Text of the chunk.
+       * </pre>
+       *
+       * <code>optional string text = 3;</code>
+       *
+       * @param value The bytes for text to set.
+       * @return This builder for chaining.
+       */
+      public Builder setTextBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        text_ = value;
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object placeId_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * This Place's resource name, in `places/{place_id}` format.  Can be used
+       * to look up the Place.
+       * </pre>
+       *
+       * <code>optional string place_id = 4;</code>
+       *
+       * @return Whether the placeId field is set.
+       */
+      public boolean hasPlaceId() {
+        return ((bitField0_ & 0x00000008) != 0);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * This Place's resource name, in `places/{place_id}` format.  Can be used
+       * to look up the Place.
+       * </pre>
+       *
+       * <code>optional string place_id = 4;</code>
+       *
+       * @return The placeId.
+       */
+      public java.lang.String getPlaceId() {
+        java.lang.Object ref = placeId_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          placeId_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * This Place's resource name, in `places/{place_id}` format.  Can be used
+       * to look up the Place.
+       * </pre>
+       *
+       * <code>optional string place_id = 4;</code>
+       *
+       * @return The bytes for placeId.
+       */
+      public com.google.protobuf.ByteString getPlaceIdBytes() {
+        java.lang.Object ref = placeId_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          placeId_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * This Place's resource name, in `places/{place_id}` format.  Can be used
+       * to look up the Place.
+       * </pre>
+       *
+       * <code>optional string place_id = 4;</code>
+       *
+       * @param value The placeId to set.
+       * @return This builder for chaining.
+       */
+      public Builder setPlaceId(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        placeId_ = value;
+        bitField0_ |= 0x00000008;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * This Place's resource name, in `places/{place_id}` format.  Can be used
+       * to look up the Place.
+       * </pre>
+       *
+       * <code>optional string place_id = 4;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearPlaceId() {
+        placeId_ = getDefaultInstance().getPlaceId();
+        bitField0_ = (bitField0_ & ~0x00000008);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * This Place's resource name, in `places/{place_id}` format.  Can be used
+       * to look up the Place.
+       * </pre>
+       *
+       * <code>optional string place_id = 4;</code>
+       *
+       * @param value The bytes for placeId to set.
+       * @return This builder for chaining.
+       */
+      public Builder setPlaceIdBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        placeId_ = value;
+        bitField0_ |= 0x00000008;
+        onChanged();
+        return this;
+      }
+
+      private com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+          placeAnswerSources_;
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources,
+              com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.Builder,
+              com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSourcesOrBuilder>
+          placeAnswerSourcesBuilder_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Sources used to generate the place answer.
+       * This includes review snippets and photos that were used to generate the
+       * answer, as well as uris to flag content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources place_answer_sources = 5;
+       * </code>
+       *
+       * @return Whether the placeAnswerSources field is set.
+       */
+      public boolean hasPlaceAnswerSources() {
+        return ((bitField0_ & 0x00000010) != 0);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Sources used to generate the place answer.
+       * This includes review snippets and photos that were used to generate the
+       * answer, as well as uris to flag content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources place_answer_sources = 5;
+       * </code>
+       *
+       * @return The placeAnswerSources.
+       */
+      public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+          getPlaceAnswerSources() {
+        if (placeAnswerSourcesBuilder_ == null) {
+          return placeAnswerSources_ == null
+              ? com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                  .getDefaultInstance()
+              : placeAnswerSources_;
+        } else {
+          return placeAnswerSourcesBuilder_.getMessage();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Sources used to generate the place answer.
+       * This includes review snippets and photos that were used to generate the
+       * answer, as well as uris to flag content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources place_answer_sources = 5;
+       * </code>
+       */
+      public Builder setPlaceAnswerSources(
+          com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources value) {
+        if (placeAnswerSourcesBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          placeAnswerSources_ = value;
+        } else {
+          placeAnswerSourcesBuilder_.setMessage(value);
+        }
+        bitField0_ |= 0x00000010;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Sources used to generate the place answer.
+       * This includes review snippets and photos that were used to generate the
+       * answer, as well as uris to flag content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources place_answer_sources = 5;
+       * </code>
+       */
+      public Builder setPlaceAnswerSources(
+          com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.Builder
+              builderForValue) {
+        if (placeAnswerSourcesBuilder_ == null) {
+          placeAnswerSources_ = builderForValue.build();
+        } else {
+          placeAnswerSourcesBuilder_.setMessage(builderForValue.build());
+        }
+        bitField0_ |= 0x00000010;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Sources used to generate the place answer.
+       * This includes review snippets and photos that were used to generate the
+       * answer, as well as uris to flag content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources place_answer_sources = 5;
+       * </code>
+       */
+      public Builder mergePlaceAnswerSources(
+          com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources value) {
+        if (placeAnswerSourcesBuilder_ == null) {
+          if (((bitField0_ & 0x00000010) != 0)
+              && placeAnswerSources_ != null
+              && placeAnswerSources_
+                  != com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                      .getDefaultInstance()) {
+            getPlaceAnswerSourcesBuilder().mergeFrom(value);
+          } else {
+            placeAnswerSources_ = value;
+          }
+        } else {
+          placeAnswerSourcesBuilder_.mergeFrom(value);
+        }
+        if (placeAnswerSources_ != null) {
+          bitField0_ |= 0x00000010;
+          onChanged();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Sources used to generate the place answer.
+       * This includes review snippets and photos that were used to generate the
+       * answer, as well as uris to flag content.
        * </pre>
        *
-       * <code>optional string text = 3;</code>
-       *
-       * @param value The text to set.
-       * @return This builder for chaining.
+       * <code>
+       * .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources place_answer_sources = 5;
+       * </code>
        */
-      public Builder setText(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
+      public Builder clearPlaceAnswerSources() {
+        bitField0_ = (bitField0_ & ~0x00000010);
+        placeAnswerSources_ = null;
+        if (placeAnswerSourcesBuilder_ != null) {
+          placeAnswerSourcesBuilder_.dispose();
+          placeAnswerSourcesBuilder_ = null;
         }
-        text_ = value;
-        bitField0_ |= 0x00000004;
         onChanged();
         return this;
       }
@@ -2171,75 +6870,95 @@ public Builder setText(java.lang.String value) {
        *
        *
        * <pre>
-       * Text of the attribution.
+       * Sources used to generate the place answer.
+       * This includes review snippets and photos that were used to generate the
+       * answer, as well as uris to flag content.
        * </pre>
        *
-       * <code>optional string text = 3;</code>
-       *
-       * @return This builder for chaining.
+       * <code>
+       * .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources place_answer_sources = 5;
+       * </code>
        */
-      public Builder clearText() {
-        text_ = getDefaultInstance().getText();
-        bitField0_ = (bitField0_ & ~0x00000004);
+      public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.Builder
+          getPlaceAnswerSourcesBuilder() {
+        bitField0_ |= 0x00000010;
         onChanged();
-        return this;
+        return internalGetPlaceAnswerSourcesFieldBuilder().getBuilder();
       }
 
       /**
        *
        *
        * <pre>
-       * Text of the attribution.
+       * Sources used to generate the place answer.
+       * This includes review snippets and photos that were used to generate the
+       * answer, as well as uris to flag content.
        * </pre>
        *
-       * <code>optional string text = 3;</code>
-       *
-       * @param value The bytes for text to set.
-       * @return This builder for chaining.
+       * <code>
+       * .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources place_answer_sources = 5;
+       * </code>
        */
-      public Builder setTextBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
+      public com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSourcesOrBuilder
+          getPlaceAnswerSourcesOrBuilder() {
+        if (placeAnswerSourcesBuilder_ != null) {
+          return placeAnswerSourcesBuilder_.getMessageOrBuilder();
+        } else {
+          return placeAnswerSources_ == null
+              ? com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources
+                  .getDefaultInstance()
+              : placeAnswerSources_;
         }
-        checkByteStringIsUtf8(value);
-        text_ = value;
-        bitField0_ |= 0x00000004;
-        onChanged();
-        return this;
-      }
-
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
       }
 
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
+      /**
+       *
+       *
+       * <pre>
+       * Sources used to generate the place answer.
+       * This includes review snippets and photos that were used to generate the
+       * answer, as well as uris to flag content.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.vertexai.v1.GroundingChunk.Maps.PlaceAnswerSources place_answer_sources = 5;
+       * </code>
+       */
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources,
+              com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.Builder,
+              com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSourcesOrBuilder>
+          internalGetPlaceAnswerSourcesFieldBuilder() {
+        if (placeAnswerSourcesBuilder_ == null) {
+          placeAnswerSourcesBuilder_ =
+              new com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources,
+                  com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSources.Builder,
+                  com.google.cloud.vertexai.api.GroundingChunk.Maps.PlaceAnswerSourcesOrBuilder>(
+                  getPlaceAnswerSources(), getParentForChildren(), isClean());
+          placeAnswerSources_ = null;
+        }
+        return placeAnswerSourcesBuilder_;
       }
 
-      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GroundingChunk.RetrievedContext)
+      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GroundingChunk.Maps)
     }
 
-    // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.GroundingChunk.RetrievedContext)
-    private static final com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext
-        DEFAULT_INSTANCE;
+    // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.GroundingChunk.Maps)
+    private static final com.google.cloud.vertexai.api.GroundingChunk.Maps DEFAULT_INSTANCE;
 
     static {
-      DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext();
+      DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.GroundingChunk.Maps();
     }
 
-    public static com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext
-        getDefaultInstance() {
+    public static com.google.cloud.vertexai.api.GroundingChunk.Maps getDefaultInstance() {
       return DEFAULT_INSTANCE;
     }
 
-    private static final com.google.protobuf.Parser<RetrievedContext> PARSER =
-        new com.google.protobuf.AbstractParser<RetrievedContext>() {
+    private static final com.google.protobuf.Parser<Maps> PARSER =
+        new com.google.protobuf.AbstractParser<Maps>() {
           @java.lang.Override
-          public RetrievedContext parsePartialFrom(
+          public Maps parsePartialFrom(
               com.google.protobuf.CodedInputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws com.google.protobuf.InvalidProtocolBufferException {
@@ -2259,18 +6978,17 @@ public RetrievedContext parsePartialFrom(
           }
         };
 
-    public static com.google.protobuf.Parser<RetrievedContext> parser() {
+    public static com.google.protobuf.Parser<Maps> parser() {
       return PARSER;
     }
 
     @java.lang.Override
-    public com.google.protobuf.Parser<RetrievedContext> getParserForType() {
+    public com.google.protobuf.Parser<Maps> getParserForType() {
       return PARSER;
     }
 
     @java.lang.Override
-    public com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext
-        getDefaultInstanceForType() {
+    public com.google.cloud.vertexai.api.GroundingChunk.Maps getDefaultInstanceForType() {
       return DEFAULT_INSTANCE;
     }
   }
@@ -2286,6 +7004,7 @@ public enum ChunkTypeCase
           com.google.protobuf.AbstractMessage.InternalOneOfEnum {
     WEB(1),
     RETRIEVED_CONTEXT(2),
+    MAPS(3),
     CHUNKTYPE_NOT_SET(0);
     private final int value;
 
@@ -2309,6 +7028,8 @@ public static ChunkTypeCase forNumber(int value) {
           return WEB;
         case 2:
           return RETRIEVED_CONTEXT;
+        case 3:
+          return MAPS;
         case 0:
           return CHUNKTYPE_NOT_SET;
         default:
@@ -2434,6 +7155,60 @@ public com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext getRetrieve
     return com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext.getDefaultInstance();
   }
 
+  public static final int MAPS_FIELD_NUMBER = 3;
+
+  /**
+   *
+   *
+   * <pre>
+   * Grounding chunk from Google Maps.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+   *
+   * @return Whether the maps field is set.
+   */
+  @java.lang.Override
+  public boolean hasMaps() {
+    return chunkTypeCase_ == 3;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Grounding chunk from Google Maps.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+   *
+   * @return The maps.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GroundingChunk.Maps getMaps() {
+    if (chunkTypeCase_ == 3) {
+      return (com.google.cloud.vertexai.api.GroundingChunk.Maps) chunkType_;
+    }
+    return com.google.cloud.vertexai.api.GroundingChunk.Maps.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Grounding chunk from Google Maps.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GroundingChunk.MapsOrBuilder getMapsOrBuilder() {
+    if (chunkTypeCase_ == 3) {
+      return (com.google.cloud.vertexai.api.GroundingChunk.Maps) chunkType_;
+    }
+    return com.google.cloud.vertexai.api.GroundingChunk.Maps.getDefaultInstance();
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -2455,6 +7230,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
       output.writeMessage(
           2, (com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext) chunkType_);
     }
+    if (chunkTypeCase_ == 3) {
+      output.writeMessage(3, (com.google.cloud.vertexai.api.GroundingChunk.Maps) chunkType_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -2474,6 +7252,11 @@ public int getSerializedSize() {
           com.google.protobuf.CodedOutputStream.computeMessageSize(
               2, (com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext) chunkType_);
     }
+    if (chunkTypeCase_ == 3) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              3, (com.google.cloud.vertexai.api.GroundingChunk.Maps) chunkType_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -2498,6 +7281,9 @@ public boolean equals(final java.lang.Object obj) {
       case 2:
         if (!getRetrievedContext().equals(other.getRetrievedContext())) return false;
         break;
+      case 3:
+        if (!getMaps().equals(other.getMaps())) return false;
+        break;
       case 0:
       default:
     }
@@ -2521,6 +7307,10 @@ public int hashCode() {
         hash = (37 * hash) + RETRIEVED_CONTEXT_FIELD_NUMBER;
         hash = (53 * hash) + getRetrievedContext().hashCode();
         break;
+      case 3:
+        hash = (37 * hash) + MAPS_FIELD_NUMBER;
+        hash = (53 * hash) + getMaps().hashCode();
+        break;
       case 0:
       default:
     }
@@ -2566,38 +7356,38 @@ public static com.google.cloud.vertexai.api.GroundingChunk parseFrom(
 
   public static com.google.cloud.vertexai.api.GroundingChunk parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GroundingChunk parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GroundingChunk parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GroundingChunk parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GroundingChunk parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GroundingChunk parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -2620,7 +7410,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -2634,7 +7424,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GroundingChunk}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GroundingChunk)
       com.google.cloud.vertexai.api.GroundingChunkOrBuilder {
@@ -2644,7 +7434,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_GroundingChunk_fieldAccessorTable
@@ -2656,7 +7446,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.GroundingChunk.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -2670,6 +7460,9 @@ public Builder clear() {
       if (retrievedContextBuilder_ != null) {
         retrievedContextBuilder_.clear();
       }
+      if (mapsBuilder_ != null) {
+        mapsBuilder_.clear();
+      }
       chunkTypeCase_ = 0;
       chunkType_ = null;
       return this;
@@ -2720,39 +7513,9 @@ private void buildPartialOneofs(com.google.cloud.vertexai.api.GroundingChunk res
       if (chunkTypeCase_ == 2 && retrievedContextBuilder_ != null) {
         result.chunkType_ = retrievedContextBuilder_.build();
       }
-    }
-
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
+      if (chunkTypeCase_ == 3 && mapsBuilder_ != null) {
+        result.chunkType_ = mapsBuilder_.build();
+      }
     }
 
     @java.lang.Override
@@ -2778,6 +7541,11 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.GroundingChunk other) {
             mergeRetrievedContext(other.getRetrievedContext());
             break;
           }
+        case MAPS:
+          {
+            mergeMaps(other.getMaps());
+            break;
+          }
         case CHUNKTYPE_NOT_SET:
           {
             break;
@@ -2811,17 +7579,23 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getWebFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(internalGetWebFieldBuilder().getBuilder(), extensionRegistry);
                 chunkTypeCase_ = 1;
                 break;
               } // case 10
             case 18:
               {
                 input.readMessage(
-                    getRetrievedContextFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetRetrievedContextFieldBuilder().getBuilder(), extensionRegistry);
                 chunkTypeCase_ = 2;
                 break;
               } // case 18
+            case 26:
+              {
+                input.readMessage(internalGetMapsFieldBuilder().getBuilder(), extensionRegistry);
+                chunkTypeCase_ = 3;
+                break;
+              } // case 26
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -2855,7 +7629,7 @@ public Builder clearChunkType() {
 
     private int bitField0_;
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GroundingChunk.Web,
             com.google.cloud.vertexai.api.GroundingChunk.Web.Builder,
             com.google.cloud.vertexai.api.GroundingChunk.WebOrBuilder>
@@ -3017,7 +7791,7 @@ public Builder clearWeb() {
      * <code>.google.cloud.vertexai.v1.GroundingChunk.Web web = 1;</code>
      */
     public com.google.cloud.vertexai.api.GroundingChunk.Web.Builder getWebBuilder() {
-      return getWebFieldBuilder().getBuilder();
+      return internalGetWebFieldBuilder().getBuilder();
     }
 
     /**
@@ -3050,17 +7824,17 @@ public com.google.cloud.vertexai.api.GroundingChunk.WebOrBuilder getWebOrBuilder
      *
      * <code>.google.cloud.vertexai.v1.GroundingChunk.Web web = 1;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GroundingChunk.Web,
             com.google.cloud.vertexai.api.GroundingChunk.Web.Builder,
             com.google.cloud.vertexai.api.GroundingChunk.WebOrBuilder>
-        getWebFieldBuilder() {
+        internalGetWebFieldBuilder() {
       if (webBuilder_ == null) {
         if (!(chunkTypeCase_ == 1)) {
           chunkType_ = com.google.cloud.vertexai.api.GroundingChunk.Web.getDefaultInstance();
         }
         webBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GroundingChunk.Web,
                 com.google.cloud.vertexai.api.GroundingChunk.Web.Builder,
                 com.google.cloud.vertexai.api.GroundingChunk.WebOrBuilder>(
@@ -3074,7 +7848,7 @@ public com.google.cloud.vertexai.api.GroundingChunk.WebOrBuilder getWebOrBuilder
       return webBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext,
             com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext.Builder,
             com.google.cloud.vertexai.api.GroundingChunk.RetrievedContextOrBuilder>
@@ -3240,7 +8014,7 @@ public Builder clearRetrievedContext() {
      */
     public com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext.Builder
         getRetrievedContextBuilder() {
-      return getRetrievedContextFieldBuilder().getBuilder();
+      return internalGetRetrievedContextFieldBuilder().getBuilder();
     }
 
     /**
@@ -3274,18 +8048,18 @@ public Builder clearRetrievedContext() {
      *
      * <code>.google.cloud.vertexai.v1.GroundingChunk.RetrievedContext retrieved_context = 2;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext,
             com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext.Builder,
             com.google.cloud.vertexai.api.GroundingChunk.RetrievedContextOrBuilder>
-        getRetrievedContextFieldBuilder() {
+        internalGetRetrievedContextFieldBuilder() {
       if (retrievedContextBuilder_ == null) {
         if (!(chunkTypeCase_ == 2)) {
           chunkType_ =
               com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext.getDefaultInstance();
         }
         retrievedContextBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext,
                 com.google.cloud.vertexai.api.GroundingChunk.RetrievedContext.Builder,
                 com.google.cloud.vertexai.api.GroundingChunk.RetrievedContextOrBuilder>(
@@ -3299,15 +8073,223 @@ public Builder clearRetrievedContext() {
       return retrievedContextBuilder_;
     }
 
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GroundingChunk.Maps,
+            com.google.cloud.vertexai.api.GroundingChunk.Maps.Builder,
+            com.google.cloud.vertexai.api.GroundingChunk.MapsOrBuilder>
+        mapsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Grounding chunk from Google Maps.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+     *
+     * @return Whether the maps field is set.
+     */
+    @java.lang.Override
+    public boolean hasMaps() {
+      return chunkTypeCase_ == 3;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Grounding chunk from Google Maps.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+     *
+     * @return The maps.
+     */
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    public com.google.cloud.vertexai.api.GroundingChunk.Maps getMaps() {
+      if (mapsBuilder_ == null) {
+        if (chunkTypeCase_ == 3) {
+          return (com.google.cloud.vertexai.api.GroundingChunk.Maps) chunkType_;
+        }
+        return com.google.cloud.vertexai.api.GroundingChunk.Maps.getDefaultInstance();
+      } else {
+        if (chunkTypeCase_ == 3) {
+          return mapsBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.GroundingChunk.Maps.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Grounding chunk from Google Maps.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+     */
+    public Builder setMaps(com.google.cloud.vertexai.api.GroundingChunk.Maps value) {
+      if (mapsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        chunkType_ = value;
+        onChanged();
+      } else {
+        mapsBuilder_.setMessage(value);
+      }
+      chunkTypeCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Grounding chunk from Google Maps.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+     */
+    public Builder setMaps(
+        com.google.cloud.vertexai.api.GroundingChunk.Maps.Builder builderForValue) {
+      if (mapsBuilder_ == null) {
+        chunkType_ = builderForValue.build();
+        onChanged();
+      } else {
+        mapsBuilder_.setMessage(builderForValue.build());
+      }
+      chunkTypeCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Grounding chunk from Google Maps.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+     */
+    public Builder mergeMaps(com.google.cloud.vertexai.api.GroundingChunk.Maps value) {
+      if (mapsBuilder_ == null) {
+        if (chunkTypeCase_ == 3
+            && chunkType_
+                != com.google.cloud.vertexai.api.GroundingChunk.Maps.getDefaultInstance()) {
+          chunkType_ =
+              com.google.cloud.vertexai.api.GroundingChunk.Maps.newBuilder(
+                      (com.google.cloud.vertexai.api.GroundingChunk.Maps) chunkType_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          chunkType_ = value;
+        }
+        onChanged();
+      } else {
+        if (chunkTypeCase_ == 3) {
+          mapsBuilder_.mergeFrom(value);
+        } else {
+          mapsBuilder_.setMessage(value);
+        }
+      }
+      chunkTypeCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Grounding chunk from Google Maps.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+     */
+    public Builder clearMaps() {
+      if (mapsBuilder_ == null) {
+        if (chunkTypeCase_ == 3) {
+          chunkTypeCase_ = 0;
+          chunkType_ = null;
+          onChanged();
+        }
+      } else {
+        if (chunkTypeCase_ == 3) {
+          chunkTypeCase_ = 0;
+          chunkType_ = null;
+        }
+        mapsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Grounding chunk from Google Maps.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+     */
+    public com.google.cloud.vertexai.api.GroundingChunk.Maps.Builder getMapsBuilder() {
+      return internalGetMapsFieldBuilder().getBuilder();
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Grounding chunk from Google Maps.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+     */
     @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    public com.google.cloud.vertexai.api.GroundingChunk.MapsOrBuilder getMapsOrBuilder() {
+      if ((chunkTypeCase_ == 3) && (mapsBuilder_ != null)) {
+        return mapsBuilder_.getMessageOrBuilder();
+      } else {
+        if (chunkTypeCase_ == 3) {
+          return (com.google.cloud.vertexai.api.GroundingChunk.Maps) chunkType_;
+        }
+        return com.google.cloud.vertexai.api.GroundingChunk.Maps.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Grounding chunk from Google Maps.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GroundingChunk.Maps,
+            com.google.cloud.vertexai.api.GroundingChunk.Maps.Builder,
+            com.google.cloud.vertexai.api.GroundingChunk.MapsOrBuilder>
+        internalGetMapsFieldBuilder() {
+      if (mapsBuilder_ == null) {
+        if (!(chunkTypeCase_ == 3)) {
+          chunkType_ = com.google.cloud.vertexai.api.GroundingChunk.Maps.getDefaultInstance();
+        }
+        mapsBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.GroundingChunk.Maps,
+                com.google.cloud.vertexai.api.GroundingChunk.Maps.Builder,
+                com.google.cloud.vertexai.api.GroundingChunk.MapsOrBuilder>(
+                (com.google.cloud.vertexai.api.GroundingChunk.Maps) chunkType_,
+                getParentForChildren(),
+                isClean());
+        chunkType_ = null;
+      }
+      chunkTypeCase_ = 3;
+      onChanged();
+      return mapsBuilder_;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GroundingChunk)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingChunkOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingChunkOrBuilder.java
index 9092d00bfd83..3cafce194997 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingChunkOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingChunkOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface GroundingChunkOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GroundingChunk)
@@ -99,5 +101,42 @@ public interface GroundingChunkOrBuilder
   com.google.cloud.vertexai.api.GroundingChunk.RetrievedContextOrBuilder
       getRetrievedContextOrBuilder();
 
+  /**
+   *
+   *
+   * <pre>
+   * Grounding chunk from Google Maps.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+   *
+   * @return Whether the maps field is set.
+   */
+  boolean hasMaps();
+
+  /**
+   *
+   *
+   * <pre>
+   * Grounding chunk from Google Maps.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+   *
+   * @return The maps.
+   */
+  com.google.cloud.vertexai.api.GroundingChunk.Maps getMaps();
+
+  /**
+   *
+   *
+   * <pre>
+   * Grounding chunk from Google Maps.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GroundingChunk.Maps maps = 3;</code>
+   */
+  com.google.cloud.vertexai.api.GroundingChunk.MapsOrBuilder getMapsOrBuilder();
+
   com.google.cloud.vertexai.api.GroundingChunk.ChunkTypeCase getChunkTypeCase();
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingMetadata.java
index e77931d09666..991ab66bd37b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingMetadata.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingMetadata.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.GroundingMetadata}
  */
-public final class GroundingMetadata extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class GroundingMetadata extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GroundingMetadata)
     GroundingMetadataOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "GroundingMetadata");
+  }
+
   // Use GroundingMetadata.newBuilder() to construct.
-  private GroundingMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private GroundingMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,12 +55,8 @@ private GroundingMetadata() {
     webSearchQueries_ = com.google.protobuf.LazyStringArrayList.emptyList();
     groundingChunks_ = java.util.Collections.emptyList();
     groundingSupports_ = java.util.Collections.emptyList();
-  }
-
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new GroundingMetadata();
+    googleMapsWidgetContextToken_ = "";
+    sourceFlaggingUris_ = java.util.Collections.emptyList();
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -57,7 +65,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_GroundingMetadata_fieldAccessorTable
@@ -66,1037 +74,2631 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
             com.google.cloud.vertexai.api.GroundingMetadata.Builder.class);
   }
 
-  private int bitField0_;
-  public static final int WEB_SEARCH_QUERIES_FIELD_NUMBER = 1;
+  public interface SourceFlaggingUriOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri)
+      com.google.protobuf.MessageOrBuilder {
 
-  @SuppressWarnings("serial")
-  private com.google.protobuf.LazyStringArrayList webSearchQueries_ =
-      com.google.protobuf.LazyStringArrayList.emptyList();
+    /**
+     *
+     *
+     * <pre>
+     * Id of the place or review.
+     * </pre>
+     *
+     * <code>string source_id = 1;</code>
+     *
+     * @return The sourceId.
+     */
+    java.lang.String getSourceId();
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Web search queries for the following-up web search.
-   * </pre>
-   *
-   * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return A list containing the webSearchQueries.
-   */
-  public com.google.protobuf.ProtocolStringList getWebSearchQueriesList() {
-    return webSearchQueries_;
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Id of the place or review.
+     * </pre>
+     *
+     * <code>string source_id = 1;</code>
+     *
+     * @return The bytes for sourceId.
+     */
+    com.google.protobuf.ByteString getSourceIdBytes();
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Web search queries for the following-up web search.
-   * </pre>
-   *
-   * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @return The count of webSearchQueries.
-   */
-  public int getWebSearchQueriesCount() {
-    return webSearchQueries_.size();
-  }
+    /**
+     *
+     *
+     * <pre>
+     * A link where users can flag a problem with the source (place or review).
+     * (-- The link is generated by Google and it does not contain
+     * information from the user query. It may contain information of the
+     * content it is flagging, which can be used to identify places. --)
+     * </pre>
+     *
+     * <code>string flag_content_uri = 2;</code>
+     *
+     * @return The flagContentUri.
+     */
+    java.lang.String getFlagContentUri();
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Web search queries for the following-up web search.
-   * </pre>
-   *
-   * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @param index The index of the element to return.
-   * @return The webSearchQueries at the given index.
-   */
-  public java.lang.String getWebSearchQueries(int index) {
-    return webSearchQueries_.get(index);
+    /**
+     *
+     *
+     * <pre>
+     * A link where users can flag a problem with the source (place or review).
+     * (-- The link is generated by Google and it does not contain
+     * information from the user query. It may contain information of the
+     * content it is flagging, which can be used to identify places. --)
+     * </pre>
+     *
+     * <code>string flag_content_uri = 2;</code>
+     *
+     * @return The bytes for flagContentUri.
+     */
+    com.google.protobuf.ByteString getFlagContentUriBytes();
   }
 
   /**
    *
    *
    * <pre>
-   * Optional. Web search queries for the following-up web search.
+   * Source content flagging uri for a place or review. This is currently
+   * populated only for Google Maps grounding.
    * </pre>
    *
-   * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
-   *
-   * @param index The index of the value to return.
-   * @return The bytes of the webSearchQueries at the given index.
+   * Protobuf type {@code google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri}
    */
-  public com.google.protobuf.ByteString getWebSearchQueriesBytes(int index) {
-    return webSearchQueries_.getByteString(index);
-  }
-
-  public static final int SEARCH_ENTRY_POINT_FIELD_NUMBER = 4;
-  private com.google.cloud.vertexai.api.SearchEntryPoint searchEntryPoint_;
+  public static final class SourceFlaggingUri extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri)
+      SourceFlaggingUriOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "SourceFlaggingUri");
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Google search entry for the following-up web searches.
-   * </pre>
-   *
-   * <code>
-   * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return Whether the searchEntryPoint field is set.
-   */
-  @java.lang.Override
-  public boolean hasSearchEntryPoint() {
-    return ((bitField0_ & 0x00000001) != 0);
-  }
+    // Use SourceFlaggingUri.newBuilder() to construct.
+    private SourceFlaggingUri(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Google search entry for the following-up web searches.
-   * </pre>
-   *
-   * <code>
-   * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return The searchEntryPoint.
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.SearchEntryPoint getSearchEntryPoint() {
-    return searchEntryPoint_ == null
-        ? com.google.cloud.vertexai.api.SearchEntryPoint.getDefaultInstance()
-        : searchEntryPoint_;
-  }
+    private SourceFlaggingUri() {
+      sourceId_ = "";
+      flagContentUri_ = "";
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Google search entry for the following-up web searches.
-   * </pre>
-   *
-   * <code>
-   * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.SearchEntryPointOrBuilder getSearchEntryPointOrBuilder() {
-    return searchEntryPoint_ == null
-        ? com.google.cloud.vertexai.api.SearchEntryPoint.getDefaultInstance()
-        : searchEntryPoint_;
-  }
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_GroundingMetadata_SourceFlaggingUri_descriptor;
+    }
 
-  public static final int GROUNDING_CHUNKS_FIELD_NUMBER = 5;
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_GroundingMetadata_SourceFlaggingUri_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.class,
+              com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.Builder.class);
+    }
 
-  @SuppressWarnings("serial")
-  private java.util.List<com.google.cloud.vertexai.api.GroundingChunk> groundingChunks_;
+    public static final int SOURCE_ID_FIELD_NUMBER = 1;
 
-  /**
-   *
-   *
-   * <pre>
-   * List of supporting references retrieved from specified grounding source.
-   * </pre>
-   *
-   * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
-   */
-  @java.lang.Override
-  public java.util.List<com.google.cloud.vertexai.api.GroundingChunk> getGroundingChunksList() {
-    return groundingChunks_;
-  }
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object sourceId_ = "";
 
-  /**
-   *
-   *
-   * <pre>
-   * List of supporting references retrieved from specified grounding source.
-   * </pre>
-   *
-   * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
-   */
-  @java.lang.Override
-  public java.util.List<? extends com.google.cloud.vertexai.api.GroundingChunkOrBuilder>
-      getGroundingChunksOrBuilderList() {
-    return groundingChunks_;
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Id of the place or review.
+     * </pre>
+     *
+     * <code>string source_id = 1;</code>
+     *
+     * @return The sourceId.
+     */
+    @java.lang.Override
+    public java.lang.String getSourceId() {
+      java.lang.Object ref = sourceId_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        sourceId_ = s;
+        return s;
+      }
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * List of supporting references retrieved from specified grounding source.
-   * </pre>
-   *
-   * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
-   */
-  @java.lang.Override
-  public int getGroundingChunksCount() {
-    return groundingChunks_.size();
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Id of the place or review.
+     * </pre>
+     *
+     * <code>string source_id = 1;</code>
+     *
+     * @return The bytes for sourceId.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getSourceIdBytes() {
+      java.lang.Object ref = sourceId_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        sourceId_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * List of supporting references retrieved from specified grounding source.
-   * </pre>
-   *
-   * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.GroundingChunk getGroundingChunks(int index) {
-    return groundingChunks_.get(index);
-  }
+    public static final int FLAG_CONTENT_URI_FIELD_NUMBER = 2;
 
-  /**
-   *
-   *
-   * <pre>
-   * List of supporting references retrieved from specified grounding source.
-   * </pre>
-   *
-   * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.GroundingChunkOrBuilder getGroundingChunksOrBuilder(
-      int index) {
-    return groundingChunks_.get(index);
-  }
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object flagContentUri_ = "";
 
-  public static final int GROUNDING_SUPPORTS_FIELD_NUMBER = 6;
+    /**
+     *
+     *
+     * <pre>
+     * A link where users can flag a problem with the source (place or review).
+     * (-- The link is generated by Google and it does not contain
+     * information from the user query. It may contain information of the
+     * content it is flagging, which can be used to identify places. --)
+     * </pre>
+     *
+     * <code>string flag_content_uri = 2;</code>
+     *
+     * @return The flagContentUri.
+     */
+    @java.lang.Override
+    public java.lang.String getFlagContentUri() {
+      java.lang.Object ref = flagContentUri_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        flagContentUri_ = s;
+        return s;
+      }
+    }
 
-  @SuppressWarnings("serial")
-  private java.util.List<com.google.cloud.vertexai.api.GroundingSupport> groundingSupports_;
+    /**
+     *
+     *
+     * <pre>
+     * A link where users can flag a problem with the source (place or review).
+     * (-- The link is generated by Google and it does not contain
+     * information from the user query. It may contain information of the
+     * content it is flagging, which can be used to identify places. --)
+     * </pre>
+     *
+     * <code>string flag_content_uri = 2;</code>
+     *
+     * @return The bytes for flagContentUri.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getFlagContentUriBytes() {
+      java.lang.Object ref = flagContentUri_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        flagContentUri_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. List of grounding support.
-   * </pre>
-   *
-   * <code>
-   * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public java.util.List<com.google.cloud.vertexai.api.GroundingSupport> getGroundingSupportsList() {
-    return groundingSupports_;
-  }
+    private byte memoizedIsInitialized = -1;
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. List of grounding support.
-   * </pre>
-   *
-   * <code>
-   * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public java.util.List<? extends com.google.cloud.vertexai.api.GroundingSupportOrBuilder>
-      getGroundingSupportsOrBuilderList() {
-    return groundingSupports_;
-  }
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. List of grounding support.
-   * </pre>
-   *
-   * <code>
-   * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public int getGroundingSupportsCount() {
-    return groundingSupports_.size();
-  }
+      memoizedIsInitialized = 1;
+      return true;
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. List of grounding support.
-   * </pre>
-   *
-   * <code>
-   * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.GroundingSupport getGroundingSupports(int index) {
-    return groundingSupports_.get(index);
-  }
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(sourceId_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, sourceId_);
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(flagContentUri_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 2, flagContentUri_);
+      }
+      getUnknownFields().writeTo(output);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. List of grounding support.
-   * </pre>
-   *
-   * <code>
-   * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.GroundingSupportOrBuilder getGroundingSupportsOrBuilder(
-      int index) {
-    return groundingSupports_.get(index);
-  }
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
 
-  public static final int RETRIEVAL_METADATA_FIELD_NUMBER = 7;
-  private com.google.cloud.vertexai.api.RetrievalMetadata retrievalMetadata_;
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(sourceId_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, sourceId_);
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(flagContentUri_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(2, flagContentUri_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Output only. Retrieval metadata.
-   * </pre>
-   *
-   * <code>
-   * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
-   * </code>
-   *
-   * @return Whether the retrievalMetadata field is set.
-   */
-  @java.lang.Override
-  public boolean hasRetrievalMetadata() {
-    return ((bitField0_ & 0x00000002) != 0);
-  }
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri other =
+          (com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri) obj;
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Output only. Retrieval metadata.
-   * </pre>
-   *
-   * <code>
-   * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
-   * </code>
-   *
-   * @return The retrievalMetadata.
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.RetrievalMetadata getRetrievalMetadata() {
-    return retrievalMetadata_ == null
-        ? com.google.cloud.vertexai.api.RetrievalMetadata.getDefaultInstance()
-        : retrievalMetadata_;
-  }
+      if (!getSourceId().equals(other.getSourceId())) return false;
+      if (!getFlagContentUri().equals(other.getFlagContentUri())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Output only. Retrieval metadata.
-   * </pre>
-   *
-   * <code>
-   * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
-   * </code>
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.RetrievalMetadataOrBuilder getRetrievalMetadataOrBuilder() {
-    return retrievalMetadata_ == null
-        ? com.google.cloud.vertexai.api.RetrievalMetadata.getDefaultInstance()
-        : retrievalMetadata_;
-  }
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + SOURCE_ID_FIELD_NUMBER;
+      hash = (53 * hash) + getSourceId().hashCode();
+      hash = (37 * hash) + FLAG_CONTENT_URI_FIELD_NUMBER;
+      hash = (53 * hash) + getFlagContentUri().hashCode();
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
 
-  private byte memoizedIsInitialized = -1;
+    public static com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
 
-  @java.lang.Override
-  public final boolean isInitialized() {
-    byte isInitialized = memoizedIsInitialized;
-    if (isInitialized == 1) return true;
-    if (isInitialized == 0) return false;
+    public static com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
 
-    memoizedIsInitialized = 1;
-    return true;
-  }
+    public static com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
 
-  @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    for (int i = 0; i < webSearchQueries_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, webSearchQueries_.getRaw(i));
+    public static com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
     }
-    if (((bitField0_ & 0x00000001) != 0)) {
-      output.writeMessage(4, getSearchEntryPoint());
+
+    public static com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
     }
-    for (int i = 0; i < groundingChunks_.size(); i++) {
-      output.writeMessage(5, groundingChunks_.get(i));
+
+    public static com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
     }
-    for (int i = 0; i < groundingSupports_.size(); i++) {
-      output.writeMessage(6, groundingSupports_.get(i));
+
+    public static com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
-    if (((bitField0_ & 0x00000002) != 0)) {
-      output.writeMessage(7, getRetrievalMetadata());
+
+    public static com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
     }
-    getUnknownFields().writeTo(output);
-  }
 
-  @java.lang.Override
-  public int getSerializedSize() {
-    int size = memoizedSize;
-    if (size != -1) return size;
+    public static com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
 
-    size = 0;
-    {
-      int dataSize = 0;
-      for (int i = 0; i < webSearchQueries_.size(); i++) {
-        dataSize += computeStringSizeNoTag(webSearchQueries_.getRaw(i));
-      }
-      size += dataSize;
-      size += 1 * getWebSearchQueriesList().size();
+    public static com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
     }
-    if (((bitField0_ & 0x00000001) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getSearchEntryPoint());
+
+    public static com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
-    for (int i = 0; i < groundingChunks_.size(); i++) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(5, groundingChunks_.get(i));
+
+    public static com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
     }
-    for (int i = 0; i < groundingSupports_.size(); i++) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(6, groundingSupports_.get(i));
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
     }
-    if (((bitField0_ & 0x00000002) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(7, getRetrievalMetadata());
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
     }
-    size += getUnknownFields().getSerializedSize();
-    memoizedSize = size;
-    return size;
-  }
 
-  @java.lang.Override
-  public boolean equals(final java.lang.Object obj) {
-    if (obj == this) {
-      return true;
+    public static Builder newBuilder(
+        com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
-    if (!(obj instanceof com.google.cloud.vertexai.api.GroundingMetadata)) {
-      return super.equals(obj);
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
     }
-    com.google.cloud.vertexai.api.GroundingMetadata other =
-        (com.google.cloud.vertexai.api.GroundingMetadata) obj;
 
-    if (!getWebSearchQueriesList().equals(other.getWebSearchQueriesList())) return false;
-    if (hasSearchEntryPoint() != other.hasSearchEntryPoint()) return false;
-    if (hasSearchEntryPoint()) {
-      if (!getSearchEntryPoint().equals(other.getSearchEntryPoint())) return false;
-    }
-    if (!getGroundingChunksList().equals(other.getGroundingChunksList())) return false;
-    if (!getGroundingSupportsList().equals(other.getGroundingSupportsList())) return false;
-    if (hasRetrievalMetadata() != other.hasRetrievalMetadata()) return false;
-    if (hasRetrievalMetadata()) {
-      if (!getRetrievalMetadata().equals(other.getRetrievalMetadata())) return false;
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
     }
-    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
-    return true;
-  }
 
-  @java.lang.Override
-  public int hashCode() {
-    if (memoizedHashCode != 0) {
-      return memoizedHashCode;
-    }
-    int hash = 41;
-    hash = (19 * hash) + getDescriptor().hashCode();
-    if (getWebSearchQueriesCount() > 0) {
-      hash = (37 * hash) + WEB_SEARCH_QUERIES_FIELD_NUMBER;
-      hash = (53 * hash) + getWebSearchQueriesList().hashCode();
-    }
-    if (hasSearchEntryPoint()) {
-      hash = (37 * hash) + SEARCH_ENTRY_POINT_FIELD_NUMBER;
-      hash = (53 * hash) + getSearchEntryPoint().hashCode();
-    }
-    if (getGroundingChunksCount() > 0) {
-      hash = (37 * hash) + GROUNDING_CHUNKS_FIELD_NUMBER;
-      hash = (53 * hash) + getGroundingChunksList().hashCode();
-    }
-    if (getGroundingSupportsCount() > 0) {
-      hash = (37 * hash) + GROUNDING_SUPPORTS_FIELD_NUMBER;
-      hash = (53 * hash) + getGroundingSupportsList().hashCode();
-    }
-    if (hasRetrievalMetadata()) {
-      hash = (37 * hash) + RETRIEVAL_METADATA_FIELD_NUMBER;
-      hash = (53 * hash) + getRetrievalMetadata().hashCode();
-    }
-    hash = (29 * hash) + getUnknownFields().hashCode();
-    memoizedHashCode = hash;
-    return hash;
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Source content flagging uri for a place or review. This is currently
+     * populated only for Google Maps grounding.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri)
+        com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUriOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.ContentProto
+            .internal_static_google_cloud_vertexai_v1_GroundingMetadata_SourceFlaggingUri_descriptor;
+      }
 
-  public static com.google.cloud.vertexai.api.GroundingMetadata parseFrom(java.nio.ByteBuffer data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.vertexai.api.ContentProto
+            .internal_static_google_cloud_vertexai_v1_GroundingMetadata_SourceFlaggingUri_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.class,
+                com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.Builder.class);
+      }
 
-  public static com.google.cloud.vertexai.api.GroundingMetadata parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
+      // Construct using
+      // com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.newBuilder()
+      private Builder() {}
 
-  public static com.google.cloud.vertexai.api.GroundingMetadata parseFrom(
-      com.google.protobuf.ByteString data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
 
-  public static com.google.cloud.vertexai.api.GroundingMetadata parseFrom(
-      com.google.protobuf.ByteString data,
-      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        sourceId_ = "";
+        flagContentUri_ = "";
+        return this;
+      }
 
-  public static com.google.cloud.vertexai.api.GroundingMetadata parseFrom(byte[] data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.vertexai.api.ContentProto
+            .internal_static_google_cloud_vertexai_v1_GroundingMetadata_SourceFlaggingUri_descriptor;
+      }
 
-  public static com.google.cloud.vertexai.api.GroundingMetadata parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri
+          getDefaultInstanceForType() {
+        return com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri
+            .getDefaultInstance();
+      }
 
-  public static com.google.cloud.vertexai.api.GroundingMetadata parseFrom(java.io.InputStream input)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
-  }
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri build() {
+        com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
 
-  public static com.google.cloud.vertexai.api.GroundingMetadata parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
-  }
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri buildPartial() {
+        com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri result =
+            new com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
 
-  public static com.google.cloud.vertexai.api.GroundingMetadata parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
-  }
+      private void buildPartial0(
+          com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.sourceId_ = sourceId_;
+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.flagContentUri_ = flagContentUri_;
+        }
+      }
 
-  public static com.google.cloud.vertexai.api.GroundingMetadata parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
-  }
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri) {
+          return mergeFrom(
+              (com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
 
-  public static com.google.cloud.vertexai.api.GroundingMetadata parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
-  }
+      public Builder mergeFrom(
+          com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri other) {
+        if (other
+            == com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri
+                .getDefaultInstance()) return this;
+        if (!other.getSourceId().isEmpty()) {
+          sourceId_ = other.sourceId_;
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        if (!other.getFlagContentUri().isEmpty()) {
+          flagContentUri_ = other.flagContentUri_;
+          bitField0_ |= 0x00000002;
+          onChanged();
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
 
-  public static com.google.cloud.vertexai.api.GroundingMetadata parseFrom(
-      com.google.protobuf.CodedInputStream input,
-      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
-  }
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
 
-  @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  sourceId_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 10
+              case 18:
+                {
+                  flagContentUri_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 18
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
 
-  public static Builder newBuilder() {
-    return DEFAULT_INSTANCE.toBuilder();
-  }
+      private int bitField0_;
+
+      private java.lang.Object sourceId_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Id of the place or review.
+       * </pre>
+       *
+       * <code>string source_id = 1;</code>
+       *
+       * @return The sourceId.
+       */
+      public java.lang.String getSourceId() {
+        java.lang.Object ref = sourceId_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          sourceId_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
 
-  public static Builder newBuilder(com.google.cloud.vertexai.api.GroundingMetadata prototype) {
-    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
-  }
+      /**
+       *
+       *
+       * <pre>
+       * Id of the place or review.
+       * </pre>
+       *
+       * <code>string source_id = 1;</code>
+       *
+       * @return The bytes for sourceId.
+       */
+      public com.google.protobuf.ByteString getSourceIdBytes() {
+        java.lang.Object ref = sourceId_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          sourceId_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
 
-  @java.lang.Override
-  public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
-  }
+      /**
+       *
+       *
+       * <pre>
+       * Id of the place or review.
+       * </pre>
+       *
+       * <code>string source_id = 1;</code>
+       *
+       * @param value The sourceId to set.
+       * @return This builder for chaining.
+       */
+      public Builder setSourceId(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        sourceId_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
 
-  @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-    Builder builder = new Builder(parent);
-    return builder;
-  }
+      /**
+       *
+       *
+       * <pre>
+       * Id of the place or review.
+       * </pre>
+       *
+       * <code>string source_id = 1;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearSourceId() {
+        sourceId_ = getDefaultInstance().getSourceId();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+        return this;
+      }
 
-  /**
-   *
-   *
-   * <pre>
-   * Metadata returned to client when grounding is enabled.
-   * </pre>
-   *
-   * Protobuf type {@code google.cloud.vertexai.v1.GroundingMetadata}
-   */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
-      implements
-      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GroundingMetadata)
-      com.google.cloud.vertexai.api.GroundingMetadataOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.cloud.vertexai.api.ContentProto
-          .internal_static_google_cloud_vertexai_v1_GroundingMetadata_descriptor;
+      /**
+       *
+       *
+       * <pre>
+       * Id of the place or review.
+       * </pre>
+       *
+       * <code>string source_id = 1;</code>
+       *
+       * @param value The bytes for sourceId to set.
+       * @return This builder for chaining.
+       */
+      public Builder setSourceIdBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        sourceId_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object flagContentUri_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * A link where users can flag a problem with the source (place or review).
+       * (-- The link is generated by Google and it does not contain
+       * information from the user query. It may contain information of the
+       * content it is flagging, which can be used to identify places. --)
+       * </pre>
+       *
+       * <code>string flag_content_uri = 2;</code>
+       *
+       * @return The flagContentUri.
+       */
+      public java.lang.String getFlagContentUri() {
+        java.lang.Object ref = flagContentUri_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          flagContentUri_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * A link where users can flag a problem with the source (place or review).
+       * (-- The link is generated by Google and it does not contain
+       * information from the user query. It may contain information of the
+       * content it is flagging, which can be used to identify places. --)
+       * </pre>
+       *
+       * <code>string flag_content_uri = 2;</code>
+       *
+       * @return The bytes for flagContentUri.
+       */
+      public com.google.protobuf.ByteString getFlagContentUriBytes() {
+        java.lang.Object ref = flagContentUri_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          flagContentUri_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * A link where users can flag a problem with the source (place or review).
+       * (-- The link is generated by Google and it does not contain
+       * information from the user query. It may contain information of the
+       * content it is flagging, which can be used to identify places. --)
+       * </pre>
+       *
+       * <code>string flag_content_uri = 2;</code>
+       *
+       * @param value The flagContentUri to set.
+       * @return This builder for chaining.
+       */
+      public Builder setFlagContentUri(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        flagContentUri_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * A link where users can flag a problem with the source (place or review).
+       * (-- The link is generated by Google and it does not contain
+       * information from the user query. It may contain information of the
+       * content it is flagging, which can be used to identify places. --)
+       * </pre>
+       *
+       * <code>string flag_content_uri = 2;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearFlagContentUri() {
+        flagContentUri_ = getDefaultInstance().getFlagContentUri();
+        bitField0_ = (bitField0_ & ~0x00000002);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * A link where users can flag a problem with the source (place or review).
+       * (-- The link is generated by Google and it does not contain
+       * information from the user query. It may contain information of the
+       * content it is flagging, which can be used to identify places. --)
+       * </pre>
+       *
+       * <code>string flag_content_uri = 2;</code>
+       *
+       * @param value The bytes for flagContentUri to set.
+       * @return This builder for chaining.
+       */
+      public Builder setFlagContentUriBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        flagContentUri_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri)
     }
 
-    @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-        internalGetFieldAccessorTable() {
-      return com.google.cloud.vertexai.api.ContentProto
-          .internal_static_google_cloud_vertexai_v1_GroundingMetadata_fieldAccessorTable
-          .ensureFieldAccessorsInitialized(
-              com.google.cloud.vertexai.api.GroundingMetadata.class,
-              com.google.cloud.vertexai.api.GroundingMetadata.Builder.class);
+    // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri)
+    private static final com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri();
     }
 
-    // Construct using com.google.cloud.vertexai.api.GroundingMetadata.newBuilder()
-    private Builder() {
-      maybeForceBuilderInitialization();
+    public static com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
-      maybeForceBuilderInitialization();
+    private static final com.google.protobuf.Parser<SourceFlaggingUri> PARSER =
+        new com.google.protobuf.AbstractParser<SourceFlaggingUri>() {
+          @java.lang.Override
+          public SourceFlaggingUri parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<SourceFlaggingUri> parser() {
+      return PARSER;
     }
 
-    private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getSearchEntryPointFieldBuilder();
-        getGroundingChunksFieldBuilder();
-        getGroundingSupportsFieldBuilder();
-        getRetrievalMetadataFieldBuilder();
-      }
+    @java.lang.Override
+    public com.google.protobuf.Parser<SourceFlaggingUri> getParserForType() {
+      return PARSER;
     }
 
     @java.lang.Override
-    public Builder clear() {
-      super.clear();
-      bitField0_ = 0;
-      webSearchQueries_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      searchEntryPoint_ = null;
-      if (searchEntryPointBuilder_ != null) {
-        searchEntryPointBuilder_.dispose();
-        searchEntryPointBuilder_ = null;
-      }
-      if (groundingChunksBuilder_ == null) {
-        groundingChunks_ = java.util.Collections.emptyList();
-      } else {
-        groundingChunks_ = null;
-        groundingChunksBuilder_.clear();
-      }
-      bitField0_ = (bitField0_ & ~0x00000004);
-      if (groundingSupportsBuilder_ == null) {
-        groundingSupports_ = java.util.Collections.emptyList();
-      } else {
-        groundingSupports_ = null;
-        groundingSupportsBuilder_.clear();
+    public com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  private int bitField0_;
+  public static final int WEB_SEARCH_QUERIES_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private com.google.protobuf.LazyStringArrayList webSearchQueries_ =
+      com.google.protobuf.LazyStringArrayList.emptyList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Web search queries for the following-up web search.
+   * </pre>
+   *
+   * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return A list containing the webSearchQueries.
+   */
+  public com.google.protobuf.ProtocolStringList getWebSearchQueriesList() {
+    return webSearchQueries_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Web search queries for the following-up web search.
+   * </pre>
+   *
+   * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The count of webSearchQueries.
+   */
+  public int getWebSearchQueriesCount() {
+    return webSearchQueries_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Web search queries for the following-up web search.
+   * </pre>
+   *
+   * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @param index The index of the element to return.
+   * @return The webSearchQueries at the given index.
+   */
+  public java.lang.String getWebSearchQueries(int index) {
+    return webSearchQueries_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Web search queries for the following-up web search.
+   * </pre>
+   *
+   * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @param index The index of the value to return.
+   * @return The bytes of the webSearchQueries at the given index.
+   */
+  public com.google.protobuf.ByteString getWebSearchQueriesBytes(int index) {
+    return webSearchQueries_.getByteString(index);
+  }
+
+  public static final int SEARCH_ENTRY_POINT_FIELD_NUMBER = 4;
+  private com.google.cloud.vertexai.api.SearchEntryPoint searchEntryPoint_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Google search entry for the following-up web searches.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the searchEntryPoint field is set.
+   */
+  @java.lang.Override
+  public boolean hasSearchEntryPoint() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Google search entry for the following-up web searches.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The searchEntryPoint.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SearchEntryPoint getSearchEntryPoint() {
+    return searchEntryPoint_ == null
+        ? com.google.cloud.vertexai.api.SearchEntryPoint.getDefaultInstance()
+        : searchEntryPoint_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Google search entry for the following-up web searches.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SearchEntryPointOrBuilder getSearchEntryPointOrBuilder() {
+    return searchEntryPoint_ == null
+        ? com.google.cloud.vertexai.api.SearchEntryPoint.getDefaultInstance()
+        : searchEntryPoint_;
+  }
+
+  public static final int GROUNDING_CHUNKS_FIELD_NUMBER = 5;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.vertexai.api.GroundingChunk> groundingChunks_;
+
+  /**
+   *
+   *
+   * <pre>
+   * List of supporting references retrieved from specified grounding source.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.vertexai.api.GroundingChunk> getGroundingChunksList() {
+    return groundingChunks_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * List of supporting references retrieved from specified grounding source.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.vertexai.api.GroundingChunkOrBuilder>
+      getGroundingChunksOrBuilderList() {
+    return groundingChunks_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * List of supporting references retrieved from specified grounding source.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+   */
+  @java.lang.Override
+  public int getGroundingChunksCount() {
+    return groundingChunks_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * List of supporting references retrieved from specified grounding source.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GroundingChunk getGroundingChunks(int index) {
+    return groundingChunks_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * List of supporting references retrieved from specified grounding source.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GroundingChunkOrBuilder getGroundingChunksOrBuilder(
+      int index) {
+    return groundingChunks_.get(index);
+  }
+
+  public static final int GROUNDING_SUPPORTS_FIELD_NUMBER = 6;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.vertexai.api.GroundingSupport> groundingSupports_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of grounding support.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.vertexai.api.GroundingSupport> getGroundingSupportsList() {
+    return groundingSupports_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of grounding support.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.vertexai.api.GroundingSupportOrBuilder>
+      getGroundingSupportsOrBuilderList() {
+    return groundingSupports_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of grounding support.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public int getGroundingSupportsCount() {
+    return groundingSupports_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of grounding support.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GroundingSupport getGroundingSupports(int index) {
+    return groundingSupports_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of grounding support.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GroundingSupportOrBuilder getGroundingSupportsOrBuilder(
+      int index) {
+    return groundingSupports_.get(index);
+  }
+
+  public static final int RETRIEVAL_METADATA_FIELD_NUMBER = 7;
+  private com.google.cloud.vertexai.api.RetrievalMetadata retrievalMetadata_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output only. Retrieval metadata.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the retrievalMetadata field is set.
+   */
+  @java.lang.Override
+  public boolean hasRetrievalMetadata() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output only. Retrieval metadata.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The retrievalMetadata.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RetrievalMetadata getRetrievalMetadata() {
+    return retrievalMetadata_ == null
+        ? com.google.cloud.vertexai.api.RetrievalMetadata.getDefaultInstance()
+        : retrievalMetadata_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output only. Retrieval metadata.
+   * </pre>
+   *
+   * <code>
+   * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RetrievalMetadataOrBuilder getRetrievalMetadataOrBuilder() {
+    return retrievalMetadata_ == null
+        ? com.google.cloud.vertexai.api.RetrievalMetadata.getDefaultInstance()
+        : retrievalMetadata_;
+  }
+
+  public static final int GOOGLE_MAPS_WIDGET_CONTEXT_TOKEN_FIELD_NUMBER = 8;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object googleMapsWidgetContextToken_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output only. Resource name of the Google Maps widget context
+   * token to be used with the PlacesContextElement widget to render contextual
+   * data. This is populated only for Google Maps grounding.
+   * </pre>
+   *
+   * <code>
+   * optional string google_maps_widget_context_token = 8 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the googleMapsWidgetContextToken field is set.
+   */
+  @java.lang.Override
+  public boolean hasGoogleMapsWidgetContextToken() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output only. Resource name of the Google Maps widget context
+   * token to be used with the PlacesContextElement widget to render contextual
+   * data. This is populated only for Google Maps grounding.
+   * </pre>
+   *
+   * <code>
+   * optional string google_maps_widget_context_token = 8 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The googleMapsWidgetContextToken.
+   */
+  @java.lang.Override
+  public java.lang.String getGoogleMapsWidgetContextToken() {
+    java.lang.Object ref = googleMapsWidgetContextToken_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      googleMapsWidgetContextToken_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output only. Resource name of the Google Maps widget context
+   * token to be used with the PlacesContextElement widget to render contextual
+   * data. This is populated only for Google Maps grounding.
+   * </pre>
+   *
+   * <code>
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+      }
+      if (sourceFlaggingUrisBuilder_ == null) {
+        if (!other.sourceFlaggingUris_.isEmpty()) {
+          if (sourceFlaggingUris_.isEmpty()) {
+            sourceFlaggingUris_ = other.sourceFlaggingUris_;
+            bitField0_ = (bitField0_ & ~0x00000040);
+          } else {
+            ensureSourceFlaggingUrisIsMutable();
+            sourceFlaggingUris_.addAll(other.sourceFlaggingUris_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.sourceFlaggingUris_.isEmpty()) {
+          if (sourceFlaggingUrisBuilder_.isEmpty()) {
+            sourceFlaggingUrisBuilder_.dispose();
+            sourceFlaggingUrisBuilder_ = null;
+            sourceFlaggingUris_ = other.sourceFlaggingUris_;
+            bitField0_ = (bitField0_ & ~0x00000040);
+            sourceFlaggingUrisBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetSourceFlaggingUrisFieldBuilder()
+                    : null;
+          } else {
+            sourceFlaggingUrisBuilder_.addAllMessages(other.sourceFlaggingUris_);
+          }
+        }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                java.lang.String s = input.readStringRequireUtf8();
+                ensureWebSearchQueriesIsMutable();
+                webSearchQueries_.add(s);
+                break;
+              } // case 10
+            case 34:
+              {
+                input.readMessage(
+                    internalGetSearchEntryPointFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 34
+            case 42:
+              {
+                com.google.cloud.vertexai.api.GroundingChunk m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.GroundingChunk.parser(), extensionRegistry);
+                if (groundingChunksBuilder_ == null) {
+                  ensureGroundingChunksIsMutable();
+                  groundingChunks_.add(m);
+                } else {
+                  groundingChunksBuilder_.addMessage(m);
+                }
+                break;
+              } // case 42
+            case 50:
+              {
+                com.google.cloud.vertexai.api.GroundingSupport m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.GroundingSupport.parser(), extensionRegistry);
+                if (groundingSupportsBuilder_ == null) {
+                  ensureGroundingSupportsIsMutable();
+                  groundingSupports_.add(m);
+                } else {
+                  groundingSupportsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 50
+            case 58:
+              {
+                input.readMessage(
+                    internalGetRetrievalMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000010;
+                break;
+              } // case 58
+            case 66:
+              {
+                googleMapsWidgetContextToken_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000020;
+                break;
+              } // case 66
+            case 74:
+              {
+                com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.parser(),
+                        extensionRegistry);
+                if (sourceFlaggingUrisBuilder_ == null) {
+                  ensureSourceFlaggingUrisIsMutable();
+                  sourceFlaggingUris_.add(m);
+                } else {
+                  sourceFlaggingUrisBuilder_.addMessage(m);
+                }
+                break;
+              } // case 74
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.LazyStringArrayList webSearchQueries_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+
+    private void ensureWebSearchQueriesIsMutable() {
+      if (!webSearchQueries_.isModifiable()) {
+        webSearchQueries_ = new com.google.protobuf.LazyStringArrayList(webSearchQueries_);
+      }
+      bitField0_ |= 0x00000001;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Web search queries for the following-up web search.
+     * </pre>
+     *
+     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return A list containing the webSearchQueries.
+     */
+    public com.google.protobuf.ProtocolStringList getWebSearchQueriesList() {
+      webSearchQueries_.makeImmutable();
+      return webSearchQueries_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Web search queries for the following-up web search.
+     * </pre>
+     *
+     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The count of webSearchQueries.
+     */
+    public int getWebSearchQueriesCount() {
+      return webSearchQueries_.size();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Web search queries for the following-up web search.
+     * </pre>
+     *
+     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the element to return.
+     * @return The webSearchQueries at the given index.
+     */
+    public java.lang.String getWebSearchQueries(int index) {
+      return webSearchQueries_.get(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Web search queries for the following-up web search.
+     * </pre>
+     *
+     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the webSearchQueries at the given index.
+     */
+    public com.google.protobuf.ByteString getWebSearchQueriesBytes(int index) {
+      return webSearchQueries_.getByteString(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Web search queries for the following-up web search.
+     * </pre>
+     *
+     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index to set the value at.
+     * @param value The webSearchQueries to set.
+     * @return This builder for chaining.
+     */
+    public Builder setWebSearchQueries(int index, java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
+      ensureWebSearchQueriesIsMutable();
+      webSearchQueries_.set(index, value);
+      bitField0_ |= 0x00000001;
+      onChanged();
       return this;
     }
 
-    @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.cloud.vertexai.api.ContentProto
-          .internal_static_google_cloud_vertexai_v1_GroundingMetadata_descriptor;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Web search queries for the following-up web search.
+     * </pre>
+     *
+     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The webSearchQueries to add.
+     * @return This builder for chaining.
+     */
+    public Builder addWebSearchQueries(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      ensureWebSearchQueriesIsMutable();
+      webSearchQueries_.add(value);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
     }
 
-    @java.lang.Override
-    public com.google.cloud.vertexai.api.GroundingMetadata getDefaultInstanceForType() {
-      return com.google.cloud.vertexai.api.GroundingMetadata.getDefaultInstance();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Web search queries for the following-up web search.
+     * </pre>
+     *
+     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param values The webSearchQueries to add.
+     * @return This builder for chaining.
+     */
+    public Builder addAllWebSearchQueries(java.lang.Iterable<java.lang.String> values) {
+      ensureWebSearchQueriesIsMutable();
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, webSearchQueries_);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
     }
 
-    @java.lang.Override
-    public com.google.cloud.vertexai.api.GroundingMetadata build() {
-      com.google.cloud.vertexai.api.GroundingMetadata result = buildPartial();
-      if (!result.isInitialized()) {
-        throw newUninitializedMessageException(result);
-      }
-      return result;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Web search queries for the following-up web search.
+     * </pre>
+     *
+     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearWebSearchQueries() {
+      webSearchQueries_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      ;
+      onChanged();
+      return this;
     }
 
-    @java.lang.Override
-    public com.google.cloud.vertexai.api.GroundingMetadata buildPartial() {
-      com.google.cloud.vertexai.api.GroundingMetadata result =
-          new com.google.cloud.vertexai.api.GroundingMetadata(this);
-      buildPartialRepeatedFields(result);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Web search queries for the following-up web search.
+     * </pre>
+     *
+     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The bytes of the webSearchQueries to add.
+     * @return This builder for chaining.
+     */
+    public Builder addWebSearchQueriesBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
-      onBuilt();
-      return result;
+      checkByteStringIsUtf8(value);
+      ensureWebSearchQueriesIsMutable();
+      webSearchQueries_.add(value);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
     }
 
-    private void buildPartialRepeatedFields(
-        com.google.cloud.vertexai.api.GroundingMetadata result) {
-      if (groundingChunksBuilder_ == null) {
-        if (((bitField0_ & 0x00000004) != 0)) {
-          groundingChunks_ = java.util.Collections.unmodifiableList(groundingChunks_);
-          bitField0_ = (bitField0_ & ~0x00000004);
-        }
-        result.groundingChunks_ = groundingChunks_;
+    private com.google.cloud.vertexai.api.SearchEntryPoint searchEntryPoint_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.SearchEntryPoint,
+            com.google.cloud.vertexai.api.SearchEntryPoint.Builder,
+            com.google.cloud.vertexai.api.SearchEntryPointOrBuilder>
+        searchEntryPointBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Google search entry for the following-up web searches.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the searchEntryPoint field is set.
+     */
+    public boolean hasSearchEntryPoint() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Google search entry for the following-up web searches.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The searchEntryPoint.
+     */
+    public com.google.cloud.vertexai.api.SearchEntryPoint getSearchEntryPoint() {
+      if (searchEntryPointBuilder_ == null) {
+        return searchEntryPoint_ == null
+            ? com.google.cloud.vertexai.api.SearchEntryPoint.getDefaultInstance()
+            : searchEntryPoint_;
       } else {
-        result.groundingChunks_ = groundingChunksBuilder_.build();
+        return searchEntryPointBuilder_.getMessage();
       }
-      if (groundingSupportsBuilder_ == null) {
-        if (((bitField0_ & 0x00000008) != 0)) {
-          groundingSupports_ = java.util.Collections.unmodifiableList(groundingSupports_);
-          bitField0_ = (bitField0_ & ~0x00000008);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Google search entry for the following-up web searches.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setSearchEntryPoint(com.google.cloud.vertexai.api.SearchEntryPoint value) {
+      if (searchEntryPointBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
         }
-        result.groundingSupports_ = groundingSupports_;
+        searchEntryPoint_ = value;
       } else {
-        result.groundingSupports_ = groundingSupportsBuilder_.build();
+        searchEntryPointBuilder_.setMessage(value);
       }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
     }
 
-    private void buildPartial0(com.google.cloud.vertexai.api.GroundingMetadata result) {
-      int from_bitField0_ = bitField0_;
-      if (((from_bitField0_ & 0x00000001) != 0)) {
-        webSearchQueries_.makeImmutable();
-        result.webSearchQueries_ = webSearchQueries_;
-      }
-      int to_bitField0_ = 0;
-      if (((from_bitField0_ & 0x00000002) != 0)) {
-        result.searchEntryPoint_ =
-            searchEntryPointBuilder_ == null ? searchEntryPoint_ : searchEntryPointBuilder_.build();
-        to_bitField0_ |= 0x00000001;
-      }
-      if (((from_bitField0_ & 0x00000010) != 0)) {
-        result.retrievalMetadata_ =
-            retrievalMetadataBuilder_ == null
-                ? retrievalMetadata_
-                : retrievalMetadataBuilder_.build();
-        to_bitField0_ |= 0x00000002;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Google search entry for the following-up web searches.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setSearchEntryPoint(
+        com.google.cloud.vertexai.api.SearchEntryPoint.Builder builderForValue) {
+      if (searchEntryPointBuilder_ == null) {
+        searchEntryPoint_ = builderForValue.build();
+      } else {
+        searchEntryPointBuilder_.setMessage(builderForValue.build());
       }
-      result.bitField0_ |= to_bitField0_;
-    }
-
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
     }
 
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Google search entry for the following-up web searches.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeSearchEntryPoint(com.google.cloud.vertexai.api.SearchEntryPoint value) {
+      if (searchEntryPointBuilder_ == null) {
+        if (((bitField0_ & 0x00000002) != 0)
+            && searchEntryPoint_ != null
+            && searchEntryPoint_
+                != com.google.cloud.vertexai.api.SearchEntryPoint.getDefaultInstance()) {
+          getSearchEntryPointBuilder().mergeFrom(value);
+        } else {
+          searchEntryPoint_ = value;
+        }
+      } else {
+        searchEntryPointBuilder_.mergeFrom(value);
+      }
+      if (searchEntryPoint_ != null) {
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      return this;
     }
 
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Google search entry for the following-up web searches.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearSearchEntryPoint() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      searchEntryPoint_ = null;
+      if (searchEntryPointBuilder_ != null) {
+        searchEntryPointBuilder_.dispose();
+        searchEntryPointBuilder_ = null;
+      }
+      onChanged();
+      return this;
     }
 
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Google search entry for the following-up web searches.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.SearchEntryPoint.Builder getSearchEntryPointBuilder() {
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return internalGetSearchEntryPointFieldBuilder().getBuilder();
     }
 
-    @java.lang.Override
-    public Builder mergeFrom(com.google.protobuf.Message other) {
-      if (other instanceof com.google.cloud.vertexai.api.GroundingMetadata) {
-        return mergeFrom((com.google.cloud.vertexai.api.GroundingMetadata) other);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Google search entry for the following-up web searches.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.SearchEntryPointOrBuilder getSearchEntryPointOrBuilder() {
+      if (searchEntryPointBuilder_ != null) {
+        return searchEntryPointBuilder_.getMessageOrBuilder();
       } else {
-        super.mergeFrom(other);
-        return this;
+        return searchEntryPoint_ == null
+            ? com.google.cloud.vertexai.api.SearchEntryPoint.getDefaultInstance()
+            : searchEntryPoint_;
       }
     }
 
-    public Builder mergeFrom(com.google.cloud.vertexai.api.GroundingMetadata other) {
-      if (other == com.google.cloud.vertexai.api.GroundingMetadata.getDefaultInstance())
-        return this;
-      if (!other.webSearchQueries_.isEmpty()) {
-        if (webSearchQueries_.isEmpty()) {
-          webSearchQueries_ = other.webSearchQueries_;
-          bitField0_ |= 0x00000001;
-        } else {
-          ensureWebSearchQueriesIsMutable();
-          webSearchQueries_.addAll(other.webSearchQueries_);
-        }
-        onChanged();
-      }
-      if (other.hasSearchEntryPoint()) {
-        mergeSearchEntryPoint(other.getSearchEntryPoint());
-      }
-      if (groundingChunksBuilder_ == null) {
-        if (!other.groundingChunks_.isEmpty()) {
-          if (groundingChunks_.isEmpty()) {
-            groundingChunks_ = other.groundingChunks_;
-            bitField0_ = (bitField0_ & ~0x00000004);
-          } else {
-            ensureGroundingChunksIsMutable();
-            groundingChunks_.addAll(other.groundingChunks_);
-          }
-          onChanged();
-        }
-      } else {
-        if (!other.groundingChunks_.isEmpty()) {
-          if (groundingChunksBuilder_.isEmpty()) {
-            groundingChunksBuilder_.dispose();
-            groundingChunksBuilder_ = null;
-            groundingChunks_ = other.groundingChunks_;
-            bitField0_ = (bitField0_ & ~0x00000004);
-            groundingChunksBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getGroundingChunksFieldBuilder()
-                    : null;
-          } else {
-            groundingChunksBuilder_.addAllMessages(other.groundingChunks_);
-          }
-        }
-      }
-      if (groundingSupportsBuilder_ == null) {
-        if (!other.groundingSupports_.isEmpty()) {
-          if (groundingSupports_.isEmpty()) {
-            groundingSupports_ = other.groundingSupports_;
-            bitField0_ = (bitField0_ & ~0x00000008);
-          } else {
-            ensureGroundingSupportsIsMutable();
-            groundingSupports_.addAll(other.groundingSupports_);
-          }
-          onChanged();
-        }
-      } else {
-        if (!other.groundingSupports_.isEmpty()) {
-          if (groundingSupportsBuilder_.isEmpty()) {
-            groundingSupportsBuilder_.dispose();
-            groundingSupportsBuilder_ = null;
-            groundingSupports_ = other.groundingSupports_;
-            bitField0_ = (bitField0_ & ~0x00000008);
-            groundingSupportsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getGroundingSupportsFieldBuilder()
-                    : null;
-          } else {
-            groundingSupportsBuilder_.addAllMessages(other.groundingSupports_);
-          }
-        }
-      }
-      if (other.hasRetrievalMetadata()) {
-        mergeRetrievalMetadata(other.getRetrievalMetadata());
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Google search entry for the following-up web searches.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.SearchEntryPoint,
+            com.google.cloud.vertexai.api.SearchEntryPoint.Builder,
+            com.google.cloud.vertexai.api.SearchEntryPointOrBuilder>
+        internalGetSearchEntryPointFieldBuilder() {
+      if (searchEntryPointBuilder_ == null) {
+        searchEntryPointBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.SearchEntryPoint,
+                com.google.cloud.vertexai.api.SearchEntryPoint.Builder,
+                com.google.cloud.vertexai.api.SearchEntryPointOrBuilder>(
+                getSearchEntryPoint(), getParentForChildren(), isClean());
+        searchEntryPoint_ = null;
       }
-      this.mergeUnknownFields(other.getUnknownFields());
-      onChanged();
-      return this;
+      return searchEntryPointBuilder_;
     }
 
-    @java.lang.Override
-    public final boolean isInitialized() {
-      return true;
-    }
+    private java.util.List<com.google.cloud.vertexai.api.GroundingChunk> groundingChunks_ =
+        java.util.Collections.emptyList();
 
-    @java.lang.Override
-    public Builder mergeFrom(
-        com.google.protobuf.CodedInputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      if (extensionRegistry == null) {
-        throw new java.lang.NullPointerException();
+    private void ensureGroundingChunksIsMutable() {
+      if (!((bitField0_ & 0x00000004) != 0)) {
+        groundingChunks_ =
+            new java.util.ArrayList<com.google.cloud.vertexai.api.GroundingChunk>(groundingChunks_);
+        bitField0_ |= 0x00000004;
       }
-      try {
-        boolean done = false;
-        while (!done) {
-          int tag = input.readTag();
-          switch (tag) {
-            case 0:
-              done = true;
-              break;
-            case 10:
-              {
-                java.lang.String s = input.readStringRequireUtf8();
-                ensureWebSearchQueriesIsMutable();
-                webSearchQueries_.add(s);
-                break;
-              } // case 10
-            case 34:
-              {
-                input.readMessage(
-                    getSearchEntryPointFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 34
-            case 42:
-              {
-                com.google.cloud.vertexai.api.GroundingChunk m =
-                    input.readMessage(
-                        com.google.cloud.vertexai.api.GroundingChunk.parser(), extensionRegistry);
-                if (groundingChunksBuilder_ == null) {
-                  ensureGroundingChunksIsMutable();
-                  groundingChunks_.add(m);
-                } else {
-                  groundingChunksBuilder_.addMessage(m);
-                }
-                break;
-              } // case 42
-            case 50:
-              {
-                com.google.cloud.vertexai.api.GroundingSupport m =
-                    input.readMessage(
-                        com.google.cloud.vertexai.api.GroundingSupport.parser(), extensionRegistry);
-                if (groundingSupportsBuilder_ == null) {
-                  ensureGroundingSupportsIsMutable();
-                  groundingSupports_.add(m);
-                } else {
-                  groundingSupportsBuilder_.addMessage(m);
-                }
-                break;
-              } // case 50
-            case 58:
-              {
-                input.readMessage(
-                    getRetrievalMetadataFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000010;
-                break;
-              } // case 58
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
-          } // switch (tag)
-        } // while (!done)
-      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-        throw e.unwrapIOException();
-      } finally {
-        onChanged();
-      } // finally
-      return this;
     }
 
-    private int bitField0_;
-
-    private com.google.protobuf.LazyStringArrayList webSearchQueries_ =
-        com.google.protobuf.LazyStringArrayList.emptyList();
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.GroundingChunk,
+            com.google.cloud.vertexai.api.GroundingChunk.Builder,
+            com.google.cloud.vertexai.api.GroundingChunkOrBuilder>
+        groundingChunksBuilder_;
 
-    private void ensureWebSearchQueriesIsMutable() {
-      if (!webSearchQueries_.isModifiable()) {
-        webSearchQueries_ = new com.google.protobuf.LazyStringArrayList(webSearchQueries_);
+    /**
+     *
+     *
+     * <pre>
+     * List of supporting references retrieved from specified grounding source.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.GroundingChunk> getGroundingChunksList() {
+      if (groundingChunksBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(groundingChunks_);
+      } else {
+        return groundingChunksBuilder_.getMessageList();
       }
-      bitField0_ |= 0x00000001;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Web search queries for the following-up web search.
+     * List of supporting references retrieved from specified grounding source.
      * </pre>
      *
-     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * </code>
-     *
-     * @return A list containing the webSearchQueries.
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
      */
-    public com.google.protobuf.ProtocolStringList getWebSearchQueriesList() {
-      webSearchQueries_.makeImmutable();
-      return webSearchQueries_;
+    public int getGroundingChunksCount() {
+      if (groundingChunksBuilder_ == null) {
+        return groundingChunks_.size();
+      } else {
+        return groundingChunksBuilder_.getCount();
+      }
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Web search queries for the following-up web search.
+     * List of supporting references retrieved from specified grounding source.
      * </pre>
      *
-     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * </code>
-     *
-     * @return The count of webSearchQueries.
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
      */
-    public int getWebSearchQueriesCount() {
-      return webSearchQueries_.size();
+    public com.google.cloud.vertexai.api.GroundingChunk getGroundingChunks(int index) {
+      if (groundingChunksBuilder_ == null) {
+        return groundingChunks_.get(index);
+      } else {
+        return groundingChunksBuilder_.getMessage(index);
+      }
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Web search queries for the following-up web search.
+     * List of supporting references retrieved from specified grounding source.
      * </pre>
      *
-     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * </code>
-     *
-     * @param index The index of the element to return.
-     * @return The webSearchQueries at the given index.
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
      */
-    public java.lang.String getWebSearchQueries(int index) {
-      return webSearchQueries_.get(index);
+    public Builder setGroundingChunks(
+        int index, com.google.cloud.vertexai.api.GroundingChunk value) {
+      if (groundingChunksBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureGroundingChunksIsMutable();
+        groundingChunks_.set(index, value);
+        onChanged();
+      } else {
+        groundingChunksBuilder_.setMessage(index, value);
+      }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Web search queries for the following-up web search.
+     * List of supporting references retrieved from specified grounding source.
      * </pre>
      *
-     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * </code>
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     */
+    public Builder setGroundingChunks(
+        int index, com.google.cloud.vertexai.api.GroundingChunk.Builder builderForValue) {
+      if (groundingChunksBuilder_ == null) {
+        ensureGroundingChunksIsMutable();
+        groundingChunks_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        groundingChunksBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
      *
-     * @param index The index of the value to return.
-     * @return The bytes of the webSearchQueries at the given index.
+     *
+     * <pre>
+     * List of supporting references retrieved from specified grounding source.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
      */
-    public com.google.protobuf.ByteString getWebSearchQueriesBytes(int index) {
-      return webSearchQueries_.getByteString(index);
+    public Builder addGroundingChunks(com.google.cloud.vertexai.api.GroundingChunk value) {
+      if (groundingChunksBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureGroundingChunksIsMutable();
+        groundingChunks_.add(value);
+        onChanged();
+      } else {
+        groundingChunksBuilder_.addMessage(value);
+      }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Web search queries for the following-up web search.
+     * List of supporting references retrieved from specified grounding source.
      * </pre>
      *
-     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * </code>
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     */
+    public Builder addGroundingChunks(
+        int index, com.google.cloud.vertexai.api.GroundingChunk value) {
+      if (groundingChunksBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureGroundingChunksIsMutable();
+        groundingChunks_.add(index, value);
+        onChanged();
+      } else {
+        groundingChunksBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
      *
-     * @param index The index to set the value at.
-     * @param value The webSearchQueries to set.
-     * @return This builder for chaining.
+     *
+     * <pre>
+     * List of supporting references retrieved from specified grounding source.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
      */
-    public Builder setWebSearchQueries(int index, java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
+    public Builder addGroundingChunks(
+        com.google.cloud.vertexai.api.GroundingChunk.Builder builderForValue) {
+      if (groundingChunksBuilder_ == null) {
+        ensureGroundingChunksIsMutable();
+        groundingChunks_.add(builderForValue.build());
+        onChanged();
+      } else {
+        groundingChunksBuilder_.addMessage(builderForValue.build());
       }
-      ensureWebSearchQueriesIsMutable();
-      webSearchQueries_.set(index, value);
-      bitField0_ |= 0x00000001;
-      onChanged();
       return this;
     }
 
@@ -1104,23 +2706,41 @@ public Builder setWebSearchQueries(int index, java.lang.String value) {
      *
      *
      * <pre>
-     * Optional. Web search queries for the following-up web search.
+     * List of supporting references retrieved from specified grounding source.
      * </pre>
      *
-     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * </code>
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     */
+    public Builder addGroundingChunks(
+        int index, com.google.cloud.vertexai.api.GroundingChunk.Builder builderForValue) {
+      if (groundingChunksBuilder_ == null) {
+        ensureGroundingChunksIsMutable();
+        groundingChunks_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        groundingChunksBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
      *
-     * @param value The webSearchQueries to add.
-     * @return This builder for chaining.
+     *
+     * <pre>
+     * List of supporting references retrieved from specified grounding source.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
      */
-    public Builder addWebSearchQueries(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
+    public Builder addAllGroundingChunks(
+        java.lang.Iterable<? extends com.google.cloud.vertexai.api.GroundingChunk> values) {
+      if (groundingChunksBuilder_ == null) {
+        ensureGroundingChunksIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, groundingChunks_);
+        onChanged();
+      } else {
+        groundingChunksBuilder_.addAllMessages(values);
       }
-      ensureWebSearchQueriesIsMutable();
-      webSearchQueries_.add(value);
-      bitField0_ |= 0x00000001;
-      onChanged();
       return this;
     }
 
@@ -1128,20 +2748,39 @@ public Builder addWebSearchQueries(java.lang.String value) {
      *
      *
      * <pre>
-     * Optional. Web search queries for the following-up web search.
+     * List of supporting references retrieved from specified grounding source.
      * </pre>
      *
-     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * </code>
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     */
+    public Builder clearGroundingChunks() {
+      if (groundingChunksBuilder_ == null) {
+        groundingChunks_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000004);
+        onChanged();
+      } else {
+        groundingChunksBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
      *
-     * @param values The webSearchQueries to add.
-     * @return This builder for chaining.
+     *
+     * <pre>
+     * List of supporting references retrieved from specified grounding source.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
      */
-    public Builder addAllWebSearchQueries(java.lang.Iterable<java.lang.String> values) {
-      ensureWebSearchQueriesIsMutable();
-      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, webSearchQueries_);
-      bitField0_ |= 0x00000001;
-      onChanged();
+    public Builder removeGroundingChunks(int index) {
+      if (groundingChunksBuilder_ == null) {
+        ensureGroundingChunksIsMutable();
+        groundingChunks_.remove(index);
+        onChanged();
+      } else {
+        groundingChunksBuilder_.remove(index);
+      }
       return this;
     }
 
@@ -1149,349 +2788,356 @@ public Builder addAllWebSearchQueries(java.lang.Iterable<java.lang.String> value
      *
      *
      * <pre>
-     * Optional. Web search queries for the following-up web search.
+     * List of supporting references retrieved from specified grounding source.
      * </pre>
      *
-     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * </code>
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     */
+    public com.google.cloud.vertexai.api.GroundingChunk.Builder getGroundingChunksBuilder(
+        int index) {
+      return internalGetGroundingChunksFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * List of supporting references retrieved from specified grounding source.
+     * </pre>
      *
-     * @return This builder for chaining.
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
      */
-    public Builder clearWebSearchQueries() {
-      webSearchQueries_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      bitField0_ = (bitField0_ & ~0x00000001);
-      ;
-      onChanged();
-      return this;
+    public com.google.cloud.vertexai.api.GroundingChunkOrBuilder getGroundingChunksOrBuilder(
+        int index) {
+      if (groundingChunksBuilder_ == null) {
+        return groundingChunks_.get(index);
+      } else {
+        return groundingChunksBuilder_.getMessageOrBuilder(index);
+      }
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Web search queries for the following-up web search.
+     * List of supporting references retrieved from specified grounding source.
      * </pre>
      *
-     * <code>repeated string web_search_queries = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * </code>
-     *
-     * @param value The bytes of the webSearchQueries to add.
-     * @return This builder for chaining.
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
      */
-    public Builder addWebSearchQueriesBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
+    public java.util.List<? extends com.google.cloud.vertexai.api.GroundingChunkOrBuilder>
+        getGroundingChunksOrBuilderList() {
+      if (groundingChunksBuilder_ != null) {
+        return groundingChunksBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(groundingChunks_);
       }
-      checkByteStringIsUtf8(value);
-      ensureWebSearchQueriesIsMutable();
-      webSearchQueries_.add(value);
-      bitField0_ |= 0x00000001;
-      onChanged();
-      return this;
     }
 
-    private com.google.cloud.vertexai.api.SearchEntryPoint searchEntryPoint_;
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.SearchEntryPoint,
-            com.google.cloud.vertexai.api.SearchEntryPoint.Builder,
-            com.google.cloud.vertexai.api.SearchEntryPointOrBuilder>
-        searchEntryPointBuilder_;
-
     /**
      *
      *
      * <pre>
-     * Optional. Google search entry for the following-up web searches.
+     * List of supporting references retrieved from specified grounding source.
      * </pre>
      *
-     * <code>
-     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
-     * </code>
-     *
-     * @return Whether the searchEntryPoint field is set.
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
      */
-    public boolean hasSearchEntryPoint() {
-      return ((bitField0_ & 0x00000002) != 0);
+    public com.google.cloud.vertexai.api.GroundingChunk.Builder addGroundingChunksBuilder() {
+      return internalGetGroundingChunksFieldBuilder()
+          .addBuilder(com.google.cloud.vertexai.api.GroundingChunk.getDefaultInstance());
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Google search entry for the following-up web searches.
+     * List of supporting references retrieved from specified grounding source.
      * </pre>
      *
-     * <code>
-     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
-     * </code>
-     *
-     * @return The searchEntryPoint.
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
      */
-    public com.google.cloud.vertexai.api.SearchEntryPoint getSearchEntryPoint() {
-      if (searchEntryPointBuilder_ == null) {
-        return searchEntryPoint_ == null
-            ? com.google.cloud.vertexai.api.SearchEntryPoint.getDefaultInstance()
-            : searchEntryPoint_;
-      } else {
-        return searchEntryPointBuilder_.getMessage();
-      }
+    public com.google.cloud.vertexai.api.GroundingChunk.Builder addGroundingChunksBuilder(
+        int index) {
+      return internalGetGroundingChunksFieldBuilder()
+          .addBuilder(index, com.google.cloud.vertexai.api.GroundingChunk.getDefaultInstance());
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Google search entry for the following-up web searches.
+     * List of supporting references retrieved from specified grounding source.
      * </pre>
      *
-     * <code>
-     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
-     * </code>
+     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
      */
-    public Builder setSearchEntryPoint(com.google.cloud.vertexai.api.SearchEntryPoint value) {
-      if (searchEntryPointBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        searchEntryPoint_ = value;
-      } else {
-        searchEntryPointBuilder_.setMessage(value);
+    public java.util.List<com.google.cloud.vertexai.api.GroundingChunk.Builder>
+        getGroundingChunksBuilderList() {
+      return internalGetGroundingChunksFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.GroundingChunk,
+            com.google.cloud.vertexai.api.GroundingChunk.Builder,
+            com.google.cloud.vertexai.api.GroundingChunkOrBuilder>
+        internalGetGroundingChunksFieldBuilder() {
+      if (groundingChunksBuilder_ == null) {
+        groundingChunksBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.GroundingChunk,
+                com.google.cloud.vertexai.api.GroundingChunk.Builder,
+                com.google.cloud.vertexai.api.GroundingChunkOrBuilder>(
+                groundingChunks_,
+                ((bitField0_ & 0x00000004) != 0),
+                getParentForChildren(),
+                isClean());
+        groundingChunks_ = null;
+      }
+      return groundingChunksBuilder_;
+    }
+
+    private java.util.List<com.google.cloud.vertexai.api.GroundingSupport> groundingSupports_ =
+        java.util.Collections.emptyList();
+
+    private void ensureGroundingSupportsIsMutable() {
+      if (!((bitField0_ & 0x00000008) != 0)) {
+        groundingSupports_ =
+            new java.util.ArrayList<com.google.cloud.vertexai.api.GroundingSupport>(
+                groundingSupports_);
+        bitField0_ |= 0x00000008;
       }
-      bitField0_ |= 0x00000002;
-      onChanged();
-      return this;
     }
 
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.GroundingSupport,
+            com.google.cloud.vertexai.api.GroundingSupport.Builder,
+            com.google.cloud.vertexai.api.GroundingSupportOrBuilder>
+        groundingSupportsBuilder_;
+
     /**
      *
      *
      * <pre>
-     * Optional. Google search entry for the following-up web searches.
+     * Optional. List of grounding support.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setSearchEntryPoint(
-        com.google.cloud.vertexai.api.SearchEntryPoint.Builder builderForValue) {
-      if (searchEntryPointBuilder_ == null) {
-        searchEntryPoint_ = builderForValue.build();
+    public java.util.List<com.google.cloud.vertexai.api.GroundingSupport>
+        getGroundingSupportsList() {
+      if (groundingSupportsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(groundingSupports_);
       } else {
-        searchEntryPointBuilder_.setMessage(builderForValue.build());
+        return groundingSupportsBuilder_.getMessageList();
       }
-      bitField0_ |= 0x00000002;
-      onChanged();
-      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Google search entry for the following-up web searches.
+     * Optional. List of grounding support.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder mergeSearchEntryPoint(com.google.cloud.vertexai.api.SearchEntryPoint value) {
-      if (searchEntryPointBuilder_ == null) {
-        if (((bitField0_ & 0x00000002) != 0)
-            && searchEntryPoint_ != null
-            && searchEntryPoint_
-                != com.google.cloud.vertexai.api.SearchEntryPoint.getDefaultInstance()) {
-          getSearchEntryPointBuilder().mergeFrom(value);
-        } else {
-          searchEntryPoint_ = value;
-        }
+    public int getGroundingSupportsCount() {
+      if (groundingSupportsBuilder_ == null) {
+        return groundingSupports_.size();
       } else {
-        searchEntryPointBuilder_.mergeFrom(value);
-      }
-      if (searchEntryPoint_ != null) {
-        bitField0_ |= 0x00000002;
-        onChanged();
+        return groundingSupportsBuilder_.getCount();
       }
-      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Google search entry for the following-up web searches.
+     * Optional. List of grounding support.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder clearSearchEntryPoint() {
-      bitField0_ = (bitField0_ & ~0x00000002);
-      searchEntryPoint_ = null;
-      if (searchEntryPointBuilder_ != null) {
-        searchEntryPointBuilder_.dispose();
-        searchEntryPointBuilder_ = null;
+    public com.google.cloud.vertexai.api.GroundingSupport getGroundingSupports(int index) {
+      if (groundingSupportsBuilder_ == null) {
+        return groundingSupports_.get(index);
+      } else {
+        return groundingSupportsBuilder_.getMessage(index);
       }
-      onChanged();
-      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Google search entry for the following-up web searches.
+     * Optional. List of grounding support.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.SearchEntryPoint.Builder getSearchEntryPointBuilder() {
-      bitField0_ |= 0x00000002;
-      onChanged();
-      return getSearchEntryPointFieldBuilder().getBuilder();
+    public Builder setGroundingSupports(
+        int index, com.google.cloud.vertexai.api.GroundingSupport value) {
+      if (groundingSupportsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureGroundingSupportsIsMutable();
+        groundingSupports_.set(index, value);
+        onChanged();
+      } else {
+        groundingSupportsBuilder_.setMessage(index, value);
+      }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Google search entry for the following-up web searches.
+     * Optional. List of grounding support.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.SearchEntryPointOrBuilder getSearchEntryPointOrBuilder() {
-      if (searchEntryPointBuilder_ != null) {
-        return searchEntryPointBuilder_.getMessageOrBuilder();
+    public Builder setGroundingSupports(
+        int index, com.google.cloud.vertexai.api.GroundingSupport.Builder builderForValue) {
+      if (groundingSupportsBuilder_ == null) {
+        ensureGroundingSupportsIsMutable();
+        groundingSupports_.set(index, builderForValue.build());
+        onChanged();
       } else {
-        return searchEntryPoint_ == null
-            ? com.google.cloud.vertexai.api.SearchEntryPoint.getDefaultInstance()
-            : searchEntryPoint_;
+        groundingSupportsBuilder_.setMessage(index, builderForValue.build());
       }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Google search entry for the following-up web searches.
+     * Optional. List of grounding support.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.SearchEntryPoint,
-            com.google.cloud.vertexai.api.SearchEntryPoint.Builder,
-            com.google.cloud.vertexai.api.SearchEntryPointOrBuilder>
-        getSearchEntryPointFieldBuilder() {
-      if (searchEntryPointBuilder_ == null) {
-        searchEntryPointBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.vertexai.api.SearchEntryPoint,
-                com.google.cloud.vertexai.api.SearchEntryPoint.Builder,
-                com.google.cloud.vertexai.api.SearchEntryPointOrBuilder>(
-                getSearchEntryPoint(), getParentForChildren(), isClean());
-        searchEntryPoint_ = null;
-      }
-      return searchEntryPointBuilder_;
-    }
-
-    private java.util.List<com.google.cloud.vertexai.api.GroundingChunk> groundingChunks_ =
-        java.util.Collections.emptyList();
-
-    private void ensureGroundingChunksIsMutable() {
-      if (!((bitField0_ & 0x00000004) != 0)) {
-        groundingChunks_ =
-            new java.util.ArrayList<com.google.cloud.vertexai.api.GroundingChunk>(groundingChunks_);
-        bitField0_ |= 0x00000004;
+    public Builder addGroundingSupports(com.google.cloud.vertexai.api.GroundingSupport value) {
+      if (groundingSupportsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureGroundingSupportsIsMutable();
+        groundingSupports_.add(value);
+        onChanged();
+      } else {
+        groundingSupportsBuilder_.addMessage(value);
       }
+      return this;
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.cloud.vertexai.api.GroundingChunk,
-            com.google.cloud.vertexai.api.GroundingChunk.Builder,
-            com.google.cloud.vertexai.api.GroundingChunkOrBuilder>
-        groundingChunksBuilder_;
-
     /**
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. List of grounding support.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public java.util.List<com.google.cloud.vertexai.api.GroundingChunk> getGroundingChunksList() {
-      if (groundingChunksBuilder_ == null) {
-        return java.util.Collections.unmodifiableList(groundingChunks_);
+    public Builder addGroundingSupports(
+        int index, com.google.cloud.vertexai.api.GroundingSupport value) {
+      if (groundingSupportsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureGroundingSupportsIsMutable();
+        groundingSupports_.add(index, value);
+        onChanged();
       } else {
-        return groundingChunksBuilder_.getMessageList();
+        groundingSupportsBuilder_.addMessage(index, value);
       }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. List of grounding support.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public int getGroundingChunksCount() {
-      if (groundingChunksBuilder_ == null) {
-        return groundingChunks_.size();
+    public Builder addGroundingSupports(
+        com.google.cloud.vertexai.api.GroundingSupport.Builder builderForValue) {
+      if (groundingSupportsBuilder_ == null) {
+        ensureGroundingSupportsIsMutable();
+        groundingSupports_.add(builderForValue.build());
+        onChanged();
       } else {
-        return groundingChunksBuilder_.getCount();
+        groundingSupportsBuilder_.addMessage(builderForValue.build());
       }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. List of grounding support.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public com.google.cloud.vertexai.api.GroundingChunk getGroundingChunks(int index) {
-      if (groundingChunksBuilder_ == null) {
-        return groundingChunks_.get(index);
+    public Builder addGroundingSupports(
+        int index, com.google.cloud.vertexai.api.GroundingSupport.Builder builderForValue) {
+      if (groundingSupportsBuilder_ == null) {
+        ensureGroundingSupportsIsMutable();
+        groundingSupports_.add(index, builderForValue.build());
+        onChanged();
       } else {
-        return groundingChunksBuilder_.getMessage(index);
+        groundingSupportsBuilder_.addMessage(index, builderForValue.build());
       }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. List of grounding support.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder setGroundingChunks(
-        int index, com.google.cloud.vertexai.api.GroundingChunk value) {
-      if (groundingChunksBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        ensureGroundingChunksIsMutable();
-        groundingChunks_.set(index, value);
+    public Builder addAllGroundingSupports(
+        java.lang.Iterable<? extends com.google.cloud.vertexai.api.GroundingSupport> values) {
+      if (groundingSupportsBuilder_ == null) {
+        ensureGroundingSupportsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, groundingSupports_);
         onChanged();
       } else {
-        groundingChunksBuilder_.setMessage(index, value);
+        groundingSupportsBuilder_.addAllMessages(values);
       }
       return this;
     }
@@ -1500,19 +3146,20 @@ public Builder setGroundingChunks(
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. List of grounding support.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder setGroundingChunks(
-        int index, com.google.cloud.vertexai.api.GroundingChunk.Builder builderForValue) {
-      if (groundingChunksBuilder_ == null) {
-        ensureGroundingChunksIsMutable();
-        groundingChunks_.set(index, builderForValue.build());
+    public Builder clearGroundingSupports() {
+      if (groundingSupportsBuilder_ == null) {
+        groundingSupports_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000008);
         onChanged();
       } else {
-        groundingChunksBuilder_.setMessage(index, builderForValue.build());
+        groundingSupportsBuilder_.clear();
       }
       return this;
     }
@@ -1521,21 +3168,20 @@ public Builder setGroundingChunks(
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. List of grounding support.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder addGroundingChunks(com.google.cloud.vertexai.api.GroundingChunk value) {
-      if (groundingChunksBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        ensureGroundingChunksIsMutable();
-        groundingChunks_.add(value);
+    public Builder removeGroundingSupports(int index) {
+      if (groundingSupportsBuilder_ == null) {
+        ensureGroundingSupportsIsMutable();
+        groundingSupports_.remove(index);
         onChanged();
       } else {
-        groundingChunksBuilder_.addMessage(value);
+        groundingSupportsBuilder_.remove(index);
       }
       return this;
     }
@@ -1544,158 +3190,171 @@ public Builder addGroundingChunks(com.google.cloud.vertexai.api.GroundingChunk v
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. List of grounding support.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder addGroundingChunks(
-        int index, com.google.cloud.vertexai.api.GroundingChunk value) {
-      if (groundingChunksBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        ensureGroundingChunksIsMutable();
-        groundingChunks_.add(index, value);
-        onChanged();
-      } else {
-        groundingChunksBuilder_.addMessage(index, value);
-      }
-      return this;
+    public com.google.cloud.vertexai.api.GroundingSupport.Builder getGroundingSupportsBuilder(
+        int index) {
+      return internalGetGroundingSupportsFieldBuilder().getBuilder(index);
     }
 
     /**
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. List of grounding support.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder addGroundingChunks(
-        com.google.cloud.vertexai.api.GroundingChunk.Builder builderForValue) {
-      if (groundingChunksBuilder_ == null) {
-        ensureGroundingChunksIsMutable();
-        groundingChunks_.add(builderForValue.build());
-        onChanged();
+    public com.google.cloud.vertexai.api.GroundingSupportOrBuilder getGroundingSupportsOrBuilder(
+        int index) {
+      if (groundingSupportsBuilder_ == null) {
+        return groundingSupports_.get(index);
       } else {
-        groundingChunksBuilder_.addMessage(builderForValue.build());
+        return groundingSupportsBuilder_.getMessageOrBuilder(index);
       }
-      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. List of grounding support.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder addGroundingChunks(
-        int index, com.google.cloud.vertexai.api.GroundingChunk.Builder builderForValue) {
-      if (groundingChunksBuilder_ == null) {
-        ensureGroundingChunksIsMutable();
-        groundingChunks_.add(index, builderForValue.build());
-        onChanged();
+    public java.util.List<? extends com.google.cloud.vertexai.api.GroundingSupportOrBuilder>
+        getGroundingSupportsOrBuilderList() {
+      if (groundingSupportsBuilder_ != null) {
+        return groundingSupportsBuilder_.getMessageOrBuilderList();
       } else {
-        groundingChunksBuilder_.addMessage(index, builderForValue.build());
+        return java.util.Collections.unmodifiableList(groundingSupports_);
       }
-      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. List of grounding support.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder addAllGroundingChunks(
-        java.lang.Iterable<? extends com.google.cloud.vertexai.api.GroundingChunk> values) {
-      if (groundingChunksBuilder_ == null) {
-        ensureGroundingChunksIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, groundingChunks_);
-        onChanged();
-      } else {
-        groundingChunksBuilder_.addAllMessages(values);
-      }
-      return this;
+    public com.google.cloud.vertexai.api.GroundingSupport.Builder addGroundingSupportsBuilder() {
+      return internalGetGroundingSupportsFieldBuilder()
+          .addBuilder(com.google.cloud.vertexai.api.GroundingSupport.getDefaultInstance());
     }
 
     /**
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. List of grounding support.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder clearGroundingChunks() {
-      if (groundingChunksBuilder_ == null) {
-        groundingChunks_ = java.util.Collections.emptyList();
-        bitField0_ = (bitField0_ & ~0x00000004);
-        onChanged();
-      } else {
-        groundingChunksBuilder_.clear();
-      }
-      return this;
+    public com.google.cloud.vertexai.api.GroundingSupport.Builder addGroundingSupportsBuilder(
+        int index) {
+      return internalGetGroundingSupportsFieldBuilder()
+          .addBuilder(index, com.google.cloud.vertexai.api.GroundingSupport.getDefaultInstance());
     }
 
     /**
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. List of grounding support.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
      */
-    public Builder removeGroundingChunks(int index) {
-      if (groundingChunksBuilder_ == null) {
-        ensureGroundingChunksIsMutable();
-        groundingChunks_.remove(index);
-        onChanged();
-      } else {
-        groundingChunksBuilder_.remove(index);
+    public java.util.List<com.google.cloud.vertexai.api.GroundingSupport.Builder>
+        getGroundingSupportsBuilderList() {
+      return internalGetGroundingSupportsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.GroundingSupport,
+            com.google.cloud.vertexai.api.GroundingSupport.Builder,
+            com.google.cloud.vertexai.api.GroundingSupportOrBuilder>
+        internalGetGroundingSupportsFieldBuilder() {
+      if (groundingSupportsBuilder_ == null) {
+        groundingSupportsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.GroundingSupport,
+                com.google.cloud.vertexai.api.GroundingSupport.Builder,
+                com.google.cloud.vertexai.api.GroundingSupportOrBuilder>(
+                groundingSupports_,
+                ((bitField0_ & 0x00000008) != 0),
+                getParentForChildren(),
+                isClean());
+        groundingSupports_ = null;
       }
-      return this;
+      return groundingSupportsBuilder_;
     }
 
+    private com.google.cloud.vertexai.api.RetrievalMetadata retrievalMetadata_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RetrievalMetadata,
+            com.google.cloud.vertexai.api.RetrievalMetadata.Builder,
+            com.google.cloud.vertexai.api.RetrievalMetadataOrBuilder>
+        retrievalMetadataBuilder_;
+
     /**
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. Output only. Retrieval metadata.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the retrievalMetadata field is set.
      */
-    public com.google.cloud.vertexai.api.GroundingChunk.Builder getGroundingChunksBuilder(
-        int index) {
-      return getGroundingChunksFieldBuilder().getBuilder(index);
+    public boolean hasRetrievalMetadata() {
+      return ((bitField0_ & 0x00000010) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. Output only. Retrieval metadata.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The retrievalMetadata.
      */
-    public com.google.cloud.vertexai.api.GroundingChunkOrBuilder getGroundingChunksOrBuilder(
-        int index) {
-      if (groundingChunksBuilder_ == null) {
-        return groundingChunks_.get(index);
+    public com.google.cloud.vertexai.api.RetrievalMetadata getRetrievalMetadata() {
+      if (retrievalMetadataBuilder_ == null) {
+        return retrievalMetadata_ == null
+            ? com.google.cloud.vertexai.api.RetrievalMetadata.getDefaultInstance()
+            : retrievalMetadata_;
       } else {
-        return groundingChunksBuilder_.getMessageOrBuilder(index);
+        return retrievalMetadataBuilder_.getMessage();
       }
     }
 
@@ -1703,137 +3362,139 @@ public com.google.cloud.vertexai.api.GroundingChunkOrBuilder getGroundingChunksO
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. Output only. Retrieval metadata.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public java.util.List<? extends com.google.cloud.vertexai.api.GroundingChunkOrBuilder>
-        getGroundingChunksOrBuilderList() {
-      if (groundingChunksBuilder_ != null) {
-        return groundingChunksBuilder_.getMessageOrBuilderList();
+    public Builder setRetrievalMetadata(com.google.cloud.vertexai.api.RetrievalMetadata value) {
+      if (retrievalMetadataBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        retrievalMetadata_ = value;
       } else {
-        return java.util.Collections.unmodifiableList(groundingChunks_);
+        retrievalMetadataBuilder_.setMessage(value);
       }
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. Output only. Retrieval metadata.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public com.google.cloud.vertexai.api.GroundingChunk.Builder addGroundingChunksBuilder() {
-      return getGroundingChunksFieldBuilder()
-          .addBuilder(com.google.cloud.vertexai.api.GroundingChunk.getDefaultInstance());
+    public Builder setRetrievalMetadata(
+        com.google.cloud.vertexai.api.RetrievalMetadata.Builder builderForValue) {
+      if (retrievalMetadataBuilder_ == null) {
+        retrievalMetadata_ = builderForValue.build();
+      } else {
+        retrievalMetadataBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. Output only. Retrieval metadata.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public com.google.cloud.vertexai.api.GroundingChunk.Builder addGroundingChunksBuilder(
-        int index) {
-      return getGroundingChunksFieldBuilder()
-          .addBuilder(index, com.google.cloud.vertexai.api.GroundingChunk.getDefaultInstance());
+    public Builder mergeRetrievalMetadata(com.google.cloud.vertexai.api.RetrievalMetadata value) {
+      if (retrievalMetadataBuilder_ == null) {
+        if (((bitField0_ & 0x00000010) != 0)
+            && retrievalMetadata_ != null
+            && retrievalMetadata_
+                != com.google.cloud.vertexai.api.RetrievalMetadata.getDefaultInstance()) {
+          getRetrievalMetadataBuilder().mergeFrom(value);
+        } else {
+          retrievalMetadata_ = value;
+        }
+      } else {
+        retrievalMetadataBuilder_.mergeFrom(value);
+      }
+      if (retrievalMetadata_ != null) {
+        bitField0_ |= 0x00000010;
+        onChanged();
+      }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * List of supporting references retrieved from specified grounding source.
+     * Optional. Output only. Retrieval metadata.
      * </pre>
      *
-     * <code>repeated .google.cloud.vertexai.v1.GroundingChunk grounding_chunks = 5;</code>
+     * <code>
+     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
      */
-    public java.util.List<com.google.cloud.vertexai.api.GroundingChunk.Builder>
-        getGroundingChunksBuilderList() {
-      return getGroundingChunksFieldBuilder().getBuilderList();
-    }
-
-    private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.cloud.vertexai.api.GroundingChunk,
-            com.google.cloud.vertexai.api.GroundingChunk.Builder,
-            com.google.cloud.vertexai.api.GroundingChunkOrBuilder>
-        getGroundingChunksFieldBuilder() {
-      if (groundingChunksBuilder_ == null) {
-        groundingChunksBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
-                com.google.cloud.vertexai.api.GroundingChunk,
-                com.google.cloud.vertexai.api.GroundingChunk.Builder,
-                com.google.cloud.vertexai.api.GroundingChunkOrBuilder>(
-                groundingChunks_,
-                ((bitField0_ & 0x00000004) != 0),
-                getParentForChildren(),
-                isClean());
-        groundingChunks_ = null;
-      }
-      return groundingChunksBuilder_;
-    }
-
-    private java.util.List<com.google.cloud.vertexai.api.GroundingSupport> groundingSupports_ =
-        java.util.Collections.emptyList();
-
-    private void ensureGroundingSupportsIsMutable() {
-      if (!((bitField0_ & 0x00000008) != 0)) {
-        groundingSupports_ =
-            new java.util.ArrayList<com.google.cloud.vertexai.api.GroundingSupport>(
-                groundingSupports_);
-        bitField0_ |= 0x00000008;
+    public Builder clearRetrievalMetadata() {
+      bitField0_ = (bitField0_ & ~0x00000010);
+      retrievalMetadata_ = null;
+      if (retrievalMetadataBuilder_ != null) {
+        retrievalMetadataBuilder_.dispose();
+        retrievalMetadataBuilder_ = null;
       }
+      onChanged();
+      return this;
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.cloud.vertexai.api.GroundingSupport,
-            com.google.cloud.vertexai.api.GroundingSupport.Builder,
-            com.google.cloud.vertexai.api.GroundingSupportOrBuilder>
-        groundingSupportsBuilder_;
-
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * Optional. Output only. Retrieval metadata.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    public java.util.List<com.google.cloud.vertexai.api.GroundingSupport>
-        getGroundingSupportsList() {
-      if (groundingSupportsBuilder_ == null) {
-        return java.util.Collections.unmodifiableList(groundingSupports_);
-      } else {
-        return groundingSupportsBuilder_.getMessageList();
-      }
+    public com.google.cloud.vertexai.api.RetrievalMetadata.Builder getRetrievalMetadataBuilder() {
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return internalGetRetrievalMetadataFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * Optional. Output only. Retrieval metadata.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    public int getGroundingSupportsCount() {
-      if (groundingSupportsBuilder_ == null) {
-        return groundingSupports_.size();
+    public com.google.cloud.vertexai.api.RetrievalMetadataOrBuilder
+        getRetrievalMetadataOrBuilder() {
+      if (retrievalMetadataBuilder_ != null) {
+        return retrievalMetadataBuilder_.getMessageOrBuilder();
       } else {
-        return groundingSupportsBuilder_.getCount();
+        return retrievalMetadata_ == null
+            ? com.google.cloud.vertexai.api.RetrievalMetadata.getDefaultInstance()
+            : retrievalMetadata_;
       }
     }
 
@@ -1841,118 +3502,128 @@ public int getGroundingSupportsCount() {
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * Optional. Output only. Retrieval metadata.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    public com.google.cloud.vertexai.api.GroundingSupport getGroundingSupports(int index) {
-      if (groundingSupportsBuilder_ == null) {
-        return groundingSupports_.get(index);
-      } else {
-        return groundingSupportsBuilder_.getMessage(index);
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RetrievalMetadata,
+            com.google.cloud.vertexai.api.RetrievalMetadata.Builder,
+            com.google.cloud.vertexai.api.RetrievalMetadataOrBuilder>
+        internalGetRetrievalMetadataFieldBuilder() {
+      if (retrievalMetadataBuilder_ == null) {
+        retrievalMetadataBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RetrievalMetadata,
+                com.google.cloud.vertexai.api.RetrievalMetadata.Builder,
+                com.google.cloud.vertexai.api.RetrievalMetadataOrBuilder>(
+                getRetrievalMetadata(), getParentForChildren(), isClean());
+        retrievalMetadata_ = null;
       }
+      return retrievalMetadataBuilder_;
     }
 
+    private java.lang.Object googleMapsWidgetContextToken_ = "";
+
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * Optional. Output only. Resource name of the Google Maps widget context
+     * token to be used with the PlacesContextElement widget to render contextual
+     * data. This is populated only for Google Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * optional string google_maps_widget_context_token = 8 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
+     *
+     * @return Whether the googleMapsWidgetContextToken field is set.
      */
-    public Builder setGroundingSupports(
-        int index, com.google.cloud.vertexai.api.GroundingSupport value) {
-      if (groundingSupportsBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        ensureGroundingSupportsIsMutable();
-        groundingSupports_.set(index, value);
-        onChanged();
-      } else {
-        groundingSupportsBuilder_.setMessage(index, value);
-      }
-      return this;
+    public boolean hasGoogleMapsWidgetContextToken() {
+      return ((bitField0_ & 0x00000020) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * Optional. Output only. Resource name of the Google Maps widget context
+     * token to be used with the PlacesContextElement widget to render contextual
+     * data. This is populated only for Google Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * optional string google_maps_widget_context_token = 8 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
+     *
+     * @return The googleMapsWidgetContextToken.
      */
-    public Builder setGroundingSupports(
-        int index, com.google.cloud.vertexai.api.GroundingSupport.Builder builderForValue) {
-      if (groundingSupportsBuilder_ == null) {
-        ensureGroundingSupportsIsMutable();
-        groundingSupports_.set(index, builderForValue.build());
-        onChanged();
+    public java.lang.String getGoogleMapsWidgetContextToken() {
+      java.lang.Object ref = googleMapsWidgetContextToken_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        googleMapsWidgetContextToken_ = s;
+        return s;
       } else {
-        groundingSupportsBuilder_.setMessage(index, builderForValue.build());
+        return (java.lang.String) ref;
       }
-      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * Optional. Output only. Resource name of the Google Maps widget context
+     * token to be used with the PlacesContextElement widget to render contextual
+     * data. This is populated only for Google Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * optional string google_maps_widget_context_token = 8 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
+     *
+     * @return The bytes for googleMapsWidgetContextToken.
      */
-    public Builder addGroundingSupports(com.google.cloud.vertexai.api.GroundingSupport value) {
-      if (groundingSupportsBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        ensureGroundingSupportsIsMutable();
-        groundingSupports_.add(value);
-        onChanged();
+    public com.google.protobuf.ByteString getGoogleMapsWidgetContextTokenBytes() {
+      java.lang.Object ref = googleMapsWidgetContextToken_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        googleMapsWidgetContextToken_ = b;
+        return b;
       } else {
-        groundingSupportsBuilder_.addMessage(value);
+        return (com.google.protobuf.ByteString) ref;
       }
-      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * Optional. Output only. Resource name of the Google Maps widget context
+     * token to be used with the PlacesContextElement widget to render contextual
+     * data. This is populated only for Google Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * optional string google_maps_widget_context_token = 8 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
+     *
+     * @param value The googleMapsWidgetContextToken to set.
+     * @return This builder for chaining.
      */
-    public Builder addGroundingSupports(
-        int index, com.google.cloud.vertexai.api.GroundingSupport value) {
-      if (groundingSupportsBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        ensureGroundingSupportsIsMutable();
-        groundingSupports_.add(index, value);
-        onChanged();
-      } else {
-        groundingSupportsBuilder_.addMessage(index, value);
+    public Builder setGoogleMapsWidgetContextToken(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
+      googleMapsWidgetContextToken_ = value;
+      bitField0_ |= 0x00000020;
+      onChanged();
       return this;
     }
 
@@ -1960,22 +3631,21 @@ public Builder addGroundingSupports(
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * Optional. Output only. Resource name of the Google Maps widget context
+     * token to be used with the PlacesContextElement widget to render contextual
+     * data. This is populated only for Google Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * optional string google_maps_widget_context_token = 8 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
+     *
+     * @return This builder for chaining.
      */
-    public Builder addGroundingSupports(
-        com.google.cloud.vertexai.api.GroundingSupport.Builder builderForValue) {
-      if (groundingSupportsBuilder_ == null) {
-        ensureGroundingSupportsIsMutable();
-        groundingSupports_.add(builderForValue.build());
-        onChanged();
-      } else {
-        groundingSupportsBuilder_.addMessage(builderForValue.build());
-      }
+    public Builder clearGoogleMapsWidgetContextToken() {
+      googleMapsWidgetContextToken_ = getDefaultInstance().getGoogleMapsWidgetContextToken();
+      bitField0_ = (bitField0_ & ~0x00000020);
+      onChanged();
       return this;
     }
 
@@ -1983,286 +3653,334 @@ public Builder addGroundingSupports(
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * Optional. Output only. Resource name of the Google Maps widget context
+     * token to be used with the PlacesContextElement widget to render contextual
+     * data. This is populated only for Google Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * optional string google_maps_widget_context_token = 8 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
+     *
+     * @param value The bytes for googleMapsWidgetContextToken to set.
+     * @return This builder for chaining.
      */
-    public Builder addGroundingSupports(
-        int index, com.google.cloud.vertexai.api.GroundingSupport.Builder builderForValue) {
-      if (groundingSupportsBuilder_ == null) {
-        ensureGroundingSupportsIsMutable();
-        groundingSupports_.add(index, builderForValue.build());
-        onChanged();
-      } else {
-        groundingSupportsBuilder_.addMessage(index, builderForValue.build());
+    public Builder setGoogleMapsWidgetContextTokenBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
+      checkByteStringIsUtf8(value);
+      googleMapsWidgetContextToken_ = value;
+      bitField0_ |= 0x00000020;
+      onChanged();
       return this;
     }
 
+    private java.util.List<com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri>
+        sourceFlaggingUris_ = java.util.Collections.emptyList();
+
+    private void ensureSourceFlaggingUrisIsMutable() {
+      if (!((bitField0_ & 0x00000040) != 0)) {
+        sourceFlaggingUris_ =
+            new java.util.ArrayList<
+                com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri>(
+                sourceFlaggingUris_);
+        bitField0_ |= 0x00000040;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri,
+            com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.Builder,
+            com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUriOrBuilder>
+        sourceFlaggingUrisBuilder_;
+
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public Builder addAllGroundingSupports(
-        java.lang.Iterable<? extends com.google.cloud.vertexai.api.GroundingSupport> values) {
-      if (groundingSupportsBuilder_ == null) {
-        ensureGroundingSupportsIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, groundingSupports_);
-        onChanged();
+    public java.util.List<com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri>
+        getSourceFlaggingUrisList() {
+      if (sourceFlaggingUrisBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(sourceFlaggingUris_);
       } else {
-        groundingSupportsBuilder_.addAllMessages(values);
+        return sourceFlaggingUrisBuilder_.getMessageList();
       }
-      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public Builder clearGroundingSupports() {
-      if (groundingSupportsBuilder_ == null) {
-        groundingSupports_ = java.util.Collections.emptyList();
-        bitField0_ = (bitField0_ & ~0x00000008);
-        onChanged();
+    public int getSourceFlaggingUrisCount() {
+      if (sourceFlaggingUrisBuilder_ == null) {
+        return sourceFlaggingUris_.size();
       } else {
-        groundingSupportsBuilder_.clear();
+        return sourceFlaggingUrisBuilder_.getCount();
       }
-      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public Builder removeGroundingSupports(int index) {
-      if (groundingSupportsBuilder_ == null) {
-        ensureGroundingSupportsIsMutable();
-        groundingSupports_.remove(index);
-        onChanged();
+    public com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri getSourceFlaggingUris(
+        int index) {
+      if (sourceFlaggingUrisBuilder_ == null) {
+        return sourceFlaggingUris_.get(index);
       } else {
-        groundingSupportsBuilder_.remove(index);
+        return sourceFlaggingUrisBuilder_.getMessage(index);
       }
-      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public com.google.cloud.vertexai.api.GroundingSupport.Builder getGroundingSupportsBuilder(
-        int index) {
-      return getGroundingSupportsFieldBuilder().getBuilder(index);
+    public Builder setSourceFlaggingUris(
+        int index, com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri value) {
+      if (sourceFlaggingUrisBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSourceFlaggingUrisIsMutable();
+        sourceFlaggingUris_.set(index, value);
+        onChanged();
+      } else {
+        sourceFlaggingUrisBuilder_.setMessage(index, value);
+      }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public com.google.cloud.vertexai.api.GroundingSupportOrBuilder getGroundingSupportsOrBuilder(
-        int index) {
-      if (groundingSupportsBuilder_ == null) {
-        return groundingSupports_.get(index);
+    public Builder setSourceFlaggingUris(
+        int index,
+        com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.Builder builderForValue) {
+      if (sourceFlaggingUrisBuilder_ == null) {
+        ensureSourceFlaggingUrisIsMutable();
+        sourceFlaggingUris_.set(index, builderForValue.build());
+        onChanged();
       } else {
-        return groundingSupportsBuilder_.getMessageOrBuilder(index);
+        sourceFlaggingUrisBuilder_.setMessage(index, builderForValue.build());
       }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public java.util.List<? extends com.google.cloud.vertexai.api.GroundingSupportOrBuilder>
-        getGroundingSupportsOrBuilderList() {
-      if (groundingSupportsBuilder_ != null) {
-        return groundingSupportsBuilder_.getMessageOrBuilderList();
+    public Builder addSourceFlaggingUris(
+        com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri value) {
+      if (sourceFlaggingUrisBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSourceFlaggingUrisIsMutable();
+        sourceFlaggingUris_.add(value);
+        onChanged();
       } else {
-        return java.util.Collections.unmodifiableList(groundingSupports_);
+        sourceFlaggingUrisBuilder_.addMessage(value);
       }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public com.google.cloud.vertexai.api.GroundingSupport.Builder addGroundingSupportsBuilder() {
-      return getGroundingSupportsFieldBuilder()
-          .addBuilder(com.google.cloud.vertexai.api.GroundingSupport.getDefaultInstance());
+    public Builder addSourceFlaggingUris(
+        int index, com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri value) {
+      if (sourceFlaggingUrisBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSourceFlaggingUrisIsMutable();
+        sourceFlaggingUris_.add(index, value);
+        onChanged();
+      } else {
+        sourceFlaggingUrisBuilder_.addMessage(index, value);
+      }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public com.google.cloud.vertexai.api.GroundingSupport.Builder addGroundingSupportsBuilder(
-        int index) {
-      return getGroundingSupportsFieldBuilder()
-          .addBuilder(index, com.google.cloud.vertexai.api.GroundingSupport.getDefaultInstance());
+    public Builder addSourceFlaggingUris(
+        com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.Builder builderForValue) {
+      if (sourceFlaggingUrisBuilder_ == null) {
+        ensureSourceFlaggingUrisIsMutable();
+        sourceFlaggingUris_.add(builderForValue.build());
+        onChanged();
+      } else {
+        sourceFlaggingUrisBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. List of grounding support.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.GroundingSupport grounding_supports = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public java.util.List<com.google.cloud.vertexai.api.GroundingSupport.Builder>
-        getGroundingSupportsBuilderList() {
-      return getGroundingSupportsFieldBuilder().getBuilderList();
-    }
-
-    private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.cloud.vertexai.api.GroundingSupport,
-            com.google.cloud.vertexai.api.GroundingSupport.Builder,
-            com.google.cloud.vertexai.api.GroundingSupportOrBuilder>
-        getGroundingSupportsFieldBuilder() {
-      if (groundingSupportsBuilder_ == null) {
-        groundingSupportsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
-                com.google.cloud.vertexai.api.GroundingSupport,
-                com.google.cloud.vertexai.api.GroundingSupport.Builder,
-                com.google.cloud.vertexai.api.GroundingSupportOrBuilder>(
-                groundingSupports_,
-                ((bitField0_ & 0x00000008) != 0),
-                getParentForChildren(),
-                isClean());
-        groundingSupports_ = null;
+    public Builder addSourceFlaggingUris(
+        int index,
+        com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.Builder builderForValue) {
+      if (sourceFlaggingUrisBuilder_ == null) {
+        ensureSourceFlaggingUrisIsMutable();
+        sourceFlaggingUris_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        sourceFlaggingUrisBuilder_.addMessage(index, builderForValue.build());
       }
-      return groundingSupportsBuilder_;
+      return this;
     }
 
-    private com.google.cloud.vertexai.api.RetrievalMetadata retrievalMetadata_;
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.RetrievalMetadata,
-            com.google.cloud.vertexai.api.RetrievalMetadata.Builder,
-            com.google.cloud.vertexai.api.RetrievalMetadataOrBuilder>
-        retrievalMetadataBuilder_;
-
     /**
      *
      *
      * <pre>
-     * Optional. Output only. Retrieval metadata.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
-     *
-     * @return Whether the retrievalMetadata field is set.
      */
-    public boolean hasRetrievalMetadata() {
-      return ((bitField0_ & 0x00000010) != 0);
+    public Builder addAllSourceFlaggingUris(
+        java.lang.Iterable<
+                ? extends com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri>
+            values) {
+      if (sourceFlaggingUrisBuilder_ == null) {
+        ensureSourceFlaggingUrisIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, sourceFlaggingUris_);
+        onChanged();
+      } else {
+        sourceFlaggingUrisBuilder_.addAllMessages(values);
+      }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Output only. Retrieval metadata.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
-     *
-     * @return The retrievalMetadata.
      */
-    public com.google.cloud.vertexai.api.RetrievalMetadata getRetrievalMetadata() {
-      if (retrievalMetadataBuilder_ == null) {
-        return retrievalMetadata_ == null
-            ? com.google.cloud.vertexai.api.RetrievalMetadata.getDefaultInstance()
-            : retrievalMetadata_;
+    public Builder clearSourceFlaggingUris() {
+      if (sourceFlaggingUrisBuilder_ == null) {
+        sourceFlaggingUris_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000040);
+        onChanged();
       } else {
-        return retrievalMetadataBuilder_.getMessage();
+        sourceFlaggingUrisBuilder_.clear();
       }
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Output only. Retrieval metadata.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public Builder setRetrievalMetadata(com.google.cloud.vertexai.api.RetrievalMetadata value) {
-      if (retrievalMetadataBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        retrievalMetadata_ = value;
+    public Builder removeSourceFlaggingUris(int index) {
+      if (sourceFlaggingUrisBuilder_ == null) {
+        ensureSourceFlaggingUrisIsMutable();
+        sourceFlaggingUris_.remove(index);
+        onChanged();
       } else {
-        retrievalMetadataBuilder_.setMessage(value);
+        sourceFlaggingUrisBuilder_.remove(index);
       }
-      bitField0_ |= 0x00000010;
-      onChanged();
       return this;
     }
 
@@ -2270,154 +3988,138 @@ public Builder setRetrievalMetadata(com.google.cloud.vertexai.api.RetrievalMetad
      *
      *
      * <pre>
-     * Optional. Output only. Retrieval metadata.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public Builder setRetrievalMetadata(
-        com.google.cloud.vertexai.api.RetrievalMetadata.Builder builderForValue) {
-      if (retrievalMetadataBuilder_ == null) {
-        retrievalMetadata_ = builderForValue.build();
-      } else {
-        retrievalMetadataBuilder_.setMessage(builderForValue.build());
-      }
-      bitField0_ |= 0x00000010;
-      onChanged();
-      return this;
+    public com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.Builder
+        getSourceFlaggingUrisBuilder(int index) {
+      return internalGetSourceFlaggingUrisFieldBuilder().getBuilder(index);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Output only. Retrieval metadata.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public Builder mergeRetrievalMetadata(com.google.cloud.vertexai.api.RetrievalMetadata value) {
-      if (retrievalMetadataBuilder_ == null) {
-        if (((bitField0_ & 0x00000010) != 0)
-            && retrievalMetadata_ != null
-            && retrievalMetadata_
-                != com.google.cloud.vertexai.api.RetrievalMetadata.getDefaultInstance()) {
-          getRetrievalMetadataBuilder().mergeFrom(value);
-        } else {
-          retrievalMetadata_ = value;
-        }
+    public com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUriOrBuilder
+        getSourceFlaggingUrisOrBuilder(int index) {
+      if (sourceFlaggingUrisBuilder_ == null) {
+        return sourceFlaggingUris_.get(index);
       } else {
-        retrievalMetadataBuilder_.mergeFrom(value);
-      }
-      if (retrievalMetadata_ != null) {
-        bitField0_ |= 0x00000010;
-        onChanged();
+        return sourceFlaggingUrisBuilder_.getMessageOrBuilder(index);
       }
-      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Output only. Retrieval metadata.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public Builder clearRetrievalMetadata() {
-      bitField0_ = (bitField0_ & ~0x00000010);
-      retrievalMetadata_ = null;
-      if (retrievalMetadataBuilder_ != null) {
-        retrievalMetadataBuilder_.dispose();
-        retrievalMetadataBuilder_ = null;
+    public java.util.List<
+            ? extends com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUriOrBuilder>
+        getSourceFlaggingUrisOrBuilderList() {
+      if (sourceFlaggingUrisBuilder_ != null) {
+        return sourceFlaggingUrisBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(sourceFlaggingUris_);
       }
-      onChanged();
-      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Output only. Retrieval metadata.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public com.google.cloud.vertexai.api.RetrievalMetadata.Builder getRetrievalMetadataBuilder() {
-      bitField0_ |= 0x00000010;
-      onChanged();
-      return getRetrievalMetadataFieldBuilder().getBuilder();
+    public com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.Builder
+        addSourceFlaggingUrisBuilder() {
+      return internalGetSourceFlaggingUrisFieldBuilder()
+          .addBuilder(
+              com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri
+                  .getDefaultInstance());
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Output only. Retrieval metadata.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    public com.google.cloud.vertexai.api.RetrievalMetadataOrBuilder
-        getRetrievalMetadataOrBuilder() {
-      if (retrievalMetadataBuilder_ != null) {
-        return retrievalMetadataBuilder_.getMessageOrBuilder();
-      } else {
-        return retrievalMetadata_ == null
-            ? com.google.cloud.vertexai.api.RetrievalMetadata.getDefaultInstance()
-            : retrievalMetadata_;
-      }
+    public com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.Builder
+        addSourceFlaggingUrisBuilder(int index) {
+      return internalGetSourceFlaggingUrisFieldBuilder()
+          .addBuilder(
+              index,
+              com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri
+                  .getDefaultInstance());
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Output only. Retrieval metadata.
+     * List of source flagging uris. This is currently populated only for Google
+     * Maps grounding.
      * </pre>
      *
      * <code>
-     * optional .google.cloud.vertexai.v1.RetrievalMetadata retrieval_metadata = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.RetrievalMetadata,
-            com.google.cloud.vertexai.api.RetrievalMetadata.Builder,
-            com.google.cloud.vertexai.api.RetrievalMetadataOrBuilder>
-        getRetrievalMetadataFieldBuilder() {
-      if (retrievalMetadataBuilder_ == null) {
-        retrievalMetadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.vertexai.api.RetrievalMetadata,
-                com.google.cloud.vertexai.api.RetrievalMetadata.Builder,
-                com.google.cloud.vertexai.api.RetrievalMetadataOrBuilder>(
-                getRetrievalMetadata(), getParentForChildren(), isClean());
-        retrievalMetadata_ = null;
-      }
-      return retrievalMetadataBuilder_;
-    }
-
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    public java.util.List<com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.Builder>
+        getSourceFlaggingUrisBuilderList() {
+      return internalGetSourceFlaggingUrisFieldBuilder().getBuilderList();
     }
 
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri,
+            com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.Builder,
+            com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUriOrBuilder>
+        internalGetSourceFlaggingUrisFieldBuilder() {
+      if (sourceFlaggingUrisBuilder_ == null) {
+        sourceFlaggingUrisBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri,
+                com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri.Builder,
+                com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUriOrBuilder>(
+                sourceFlaggingUris_,
+                ((bitField0_ & 0x00000040) != 0),
+                getParentForChildren(),
+                isClean());
+        sourceFlaggingUris_ = null;
+      }
+      return sourceFlaggingUrisBuilder_;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GroundingMetadata)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingMetadataOrBuilder.java
index 04b35b74fbb9..4833ad178dff 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingMetadataOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingMetadataOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface GroundingMetadataOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GroundingMetadata)
@@ -285,4 +287,130 @@ public interface GroundingMetadataOrBuilder
    * </code>
    */
   com.google.cloud.vertexai.api.RetrievalMetadataOrBuilder getRetrievalMetadataOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output only. Resource name of the Google Maps widget context
+   * token to be used with the PlacesContextElement widget to render contextual
+   * data. This is populated only for Google Maps grounding.
+   * </pre>
+   *
+   * <code>
+   * optional string google_maps_widget_context_token = 8 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the googleMapsWidgetContextToken field is set.
+   */
+  boolean hasGoogleMapsWidgetContextToken();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output only. Resource name of the Google Maps widget context
+   * token to be used with the PlacesContextElement widget to render contextual
+   * data. This is populated only for Google Maps grounding.
+   * </pre>
+   *
+   * <code>
+   * optional string google_maps_widget_context_token = 8 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The googleMapsWidgetContextToken.
+   */
+  java.lang.String getGoogleMapsWidgetContextToken();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Output only. Resource name of the Google Maps widget context
+   * token to be used with the PlacesContextElement widget to render contextual
+   * data. This is populated only for Google Maps grounding.
+   * </pre>
+   *
+   * <code>
+   * optional string google_maps_widget_context_token = 8 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The bytes for googleMapsWidgetContextToken.
+   */
+  com.google.protobuf.ByteString getGoogleMapsWidgetContextTokenBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * List of source flagging uris. This is currently populated only for Google
+   * Maps grounding.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
+   * </code>
+   */
+  java.util.List<com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri>
+      getSourceFlaggingUrisList();
+
+  /**
+   *
+   *
+   * <pre>
+   * List of source flagging uris. This is currently populated only for Google
+   * Maps grounding.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
+   * </code>
+   */
+  com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUri getSourceFlaggingUris(
+      int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * List of source flagging uris. This is currently populated only for Google
+   * Maps grounding.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
+   * </code>
+   */
+  int getSourceFlaggingUrisCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * List of source flagging uris. This is currently populated only for Google
+   * Maps grounding.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
+   * </code>
+   */
+  java.util.List<
+          ? extends com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUriOrBuilder>
+      getSourceFlaggingUrisOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * List of source flagging uris. This is currently populated only for Google
+   * Maps grounding.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.GroundingMetadata.SourceFlaggingUri source_flagging_uris = 9;
+   * </code>
+   */
+  com.google.cloud.vertexai.api.GroundingMetadata.SourceFlaggingUriOrBuilder
+      getSourceFlaggingUrisOrBuilder(int index);
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingSupport.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingSupport.java
index bbbed3be1c7e..31fe8ff33603 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingSupport.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingSupport.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.GroundingSupport}
  */
-public final class GroundingSupport extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class GroundingSupport extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.GroundingSupport)
     GroundingSupportOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "GroundingSupport");
+  }
+
   // Use GroundingSupport.newBuilder() to construct.
-  private GroundingSupport(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private GroundingSupport(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private GroundingSupport() {
     confidenceScores_ = emptyFloatList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new GroundingSupport();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_GroundingSupport_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_GroundingSupport_fieldAccessorTable
@@ -393,38 +399,38 @@ public static com.google.cloud.vertexai.api.GroundingSupport parseFrom(
 
   public static com.google.cloud.vertexai.api.GroundingSupport parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GroundingSupport parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GroundingSupport parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GroundingSupport parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.GroundingSupport parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.GroundingSupport parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -447,7 +453,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -461,7 +467,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.GroundingSupport}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.GroundingSupport)
       com.google.cloud.vertexai.api.GroundingSupportOrBuilder {
@@ -471,7 +477,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_GroundingSupport_fieldAccessorTable
@@ -485,14 +491,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getSegmentFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetSegmentFieldBuilder();
       }
     }
 
@@ -559,39 +565,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.GroundingSupport result
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.GroundingSupport) {
@@ -657,7 +630,7 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getSegmentFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(internalGetSegmentFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -718,7 +691,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.Segment segment_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Segment,
             com.google.cloud.vertexai.api.Segment.Builder,
             com.google.cloud.vertexai.api.SegmentOrBuilder>
@@ -863,7 +836,7 @@ public Builder clearSegment() {
     public com.google.cloud.vertexai.api.Segment.Builder getSegmentBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getSegmentFieldBuilder().getBuilder();
+      return internalGetSegmentFieldBuilder().getBuilder();
     }
 
     /**
@@ -894,14 +867,14 @@ public com.google.cloud.vertexai.api.SegmentOrBuilder getSegmentOrBuilder() {
      *
      * <code>optional .google.cloud.vertexai.v1.Segment segment = 1;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Segment,
             com.google.cloud.vertexai.api.Segment.Builder,
             com.google.cloud.vertexai.api.SegmentOrBuilder>
-        getSegmentFieldBuilder() {
+        internalGetSegmentFieldBuilder() {
       if (segmentBuilder_ == null) {
         segmentBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Segment,
                 com.google.cloud.vertexai.api.Segment.Builder,
                 com.google.cloud.vertexai.api.SegmentOrBuilder>(
@@ -1228,17 +1201,6 @@ public Builder clearConfidenceScores() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.GroundingSupport)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingSupportOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingSupportOrBuilder.java
index 21bd31d3b6bf..7a5e80e9a9dc 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingSupportOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingSupportOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface GroundingSupportOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.GroundingSupport)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/HarmCategory.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/HarmCategory.java
index 8ec3fff2a72a..0ee62d1ab552 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/HarmCategory.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/HarmCategory.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,6 +29,7 @@
  *
  * Protobuf enum {@code google.cloud.vertexai.v1.HarmCategory}
  */
+@com.google.protobuf.Generated
 public enum HarmCategory implements com.google.protobuf.ProtocolMessageEnum {
   /**
    *
@@ -83,15 +85,37 @@ public enum HarmCategory implements com.google.protobuf.ProtocolMessageEnum {
    *
    *
    * <pre>
+   * Deprecated: Election filter is not longer supported.
    * The harm category is civic integrity.
    * </pre>
    *
-   * <code>HARM_CATEGORY_CIVIC_INTEGRITY = 5;</code>
+   * <code>HARM_CATEGORY_CIVIC_INTEGRITY = 5 [deprecated = true];</code>
    */
+  @java.lang.Deprecated
   HARM_CATEGORY_CIVIC_INTEGRITY(5),
+  /**
+   *
+   *
+   * <pre>
+   * The harm category is for jailbreak prompts.
+   * </pre>
+   *
+   * <code>HARM_CATEGORY_JAILBREAK = 6;</code>
+   */
+  HARM_CATEGORY_JAILBREAK(6),
   UNRECOGNIZED(-1),
   ;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "HarmCategory");
+  }
+
   /**
    *
    *
@@ -151,12 +175,24 @@ public enum HarmCategory implements com.google.protobuf.ProtocolMessageEnum {
    *
    *
    * <pre>
+   * Deprecated: Election filter is not longer supported.
    * The harm category is civic integrity.
    * </pre>
    *
-   * <code>HARM_CATEGORY_CIVIC_INTEGRITY = 5;</code>
+   * <code>HARM_CATEGORY_CIVIC_INTEGRITY = 5 [deprecated = true];</code>
+   */
+  @java.lang.Deprecated public static final int HARM_CATEGORY_CIVIC_INTEGRITY_VALUE = 5;
+
+  /**
+   *
+   *
+   * <pre>
+   * The harm category is for jailbreak prompts.
+   * </pre>
+   *
+   * <code>HARM_CATEGORY_JAILBREAK = 6;</code>
    */
-  public static final int HARM_CATEGORY_CIVIC_INTEGRITY_VALUE = 5;
+  public static final int HARM_CATEGORY_JAILBREAK_VALUE = 6;
 
   public final int getNumber() {
     if (this == UNRECOGNIZED) {
@@ -194,6 +230,8 @@ public static HarmCategory forNumber(int value) {
         return HARM_CATEGORY_SEXUALLY_EXPLICIT;
       case 5:
         return HARM_CATEGORY_CIVIC_INTEGRITY;
+      case 6:
+        return HARM_CATEGORY_JAILBREAK;
       default:
         return null;
     }
@@ -222,7 +260,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
     return getDescriptor();
   }
 
-  public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+  public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto.getDescriptor().getEnumTypes().get(0);
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ImageConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ImageConfig.java
new file mode 100644
index 000000000000..6b3f354e3999
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ImageConfig.java
@@ -0,0 +1,707 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Config for image generation features.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.ImageConfig}
+ */
+@com.google.protobuf.Generated
+public final class ImageConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ImageConfig)
+    ImageConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ImageConfig");
+  }
+
+  // Use ImageConfig.newBuilder() to construct.
+  private ImageConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ImageConfig() {
+    aspectRatio_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_ImageConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_ImageConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.ImageConfig.class,
+            com.google.cloud.vertexai.api.ImageConfig.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int ASPECT_RATIO_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object aspectRatio_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The desired aspect ratio for the generated images. The following
+   * aspect ratios are supported:
+   *
+   * "1:1"
+   * "2:3", "3:2"
+   * "3:4", "4:3"
+   * "4:5", "5:4"
+   * "9:16", "16:9"
+   * "21:9"
+   * </pre>
+   *
+   * <code>optional string aspect_ratio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the aspectRatio field is set.
+   */
+  @java.lang.Override
+  public boolean hasAspectRatio() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The desired aspect ratio for the generated images. The following
+   * aspect ratios are supported:
+   *
+   * "1:1"
+   * "2:3", "3:2"
+   * "3:4", "4:3"
+   * "4:5", "5:4"
+   * "9:16", "16:9"
+   * "21:9"
+   * </pre>
+   *
+   * <code>optional string aspect_ratio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The aspectRatio.
+   */
+  @java.lang.Override
+  public java.lang.String getAspectRatio() {
+    java.lang.Object ref = aspectRatio_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      aspectRatio_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The desired aspect ratio for the generated images. The following
+   * aspect ratios are supported:
+   *
+   * "1:1"
+   * "2:3", "3:2"
+   * "3:4", "4:3"
+   * "4:5", "5:4"
+   * "9:16", "16:9"
+   * "21:9"
+   * </pre>
+   *
+   * <code>optional string aspect_ratio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for aspectRatio.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getAspectRatioBytes() {
+    java.lang.Object ref = aspectRatio_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      aspectRatio_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, aspectRatio_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, aspectRatio_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.ImageConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.ImageConfig other =
+        (com.google.cloud.vertexai.api.ImageConfig) obj;
+
+    if (hasAspectRatio() != other.hasAspectRatio()) return false;
+    if (hasAspectRatio()) {
+      if (!getAspectRatio().equals(other.getAspectRatio())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasAspectRatio()) {
+      hash = (37 * hash) + ASPECT_RATIO_FIELD_NUMBER;
+      hash = (53 * hash) + getAspectRatio().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.ImageConfig parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.ImageConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ImageConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.ImageConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ImageConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.ImageConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ImageConfig parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.ImageConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ImageConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.ImageConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ImageConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.ImageConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.ImageConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Config for image generation features.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.ImageConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ImageConfig)
+      com.google.cloud.vertexai.api.ImageConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_ImageConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_ImageConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.ImageConfig.class,
+              com.google.cloud.vertexai.api.ImageConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.ImageConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      aspectRatio_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_ImageConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.ImageConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.ImageConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.ImageConfig build() {
+      com.google.cloud.vertexai.api.ImageConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.ImageConfig buildPartial() {
+      com.google.cloud.vertexai.api.ImageConfig result =
+          new com.google.cloud.vertexai.api.ImageConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.ImageConfig result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.aspectRatio_ = aspectRatio_;
+        to_bitField0_ |= 0x00000001;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.ImageConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.ImageConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.ImageConfig other) {
+      if (other == com.google.cloud.vertexai.api.ImageConfig.getDefaultInstance()) return this;
+      if (other.hasAspectRatio()) {
+        aspectRatio_ = other.aspectRatio_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 18:
+              {
+                aspectRatio_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object aspectRatio_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The desired aspect ratio for the generated images. The following
+     * aspect ratios are supported:
+     *
+     * "1:1"
+     * "2:3", "3:2"
+     * "3:4", "4:3"
+     * "4:5", "5:4"
+     * "9:16", "16:9"
+     * "21:9"
+     * </pre>
+     *
+     * <code>optional string aspect_ratio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return Whether the aspectRatio field is set.
+     */
+    public boolean hasAspectRatio() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The desired aspect ratio for the generated images. The following
+     * aspect ratios are supported:
+     *
+     * "1:1"
+     * "2:3", "3:2"
+     * "3:4", "4:3"
+     * "4:5", "5:4"
+     * "9:16", "16:9"
+     * "21:9"
+     * </pre>
+     *
+     * <code>optional string aspect_ratio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The aspectRatio.
+     */
+    public java.lang.String getAspectRatio() {
+      java.lang.Object ref = aspectRatio_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        aspectRatio_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The desired aspect ratio for the generated images. The following
+     * aspect ratios are supported:
+     *
+     * "1:1"
+     * "2:3", "3:2"
+     * "3:4", "4:3"
+     * "4:5", "5:4"
+     * "9:16", "16:9"
+     * "21:9"
+     * </pre>
+     *
+     * <code>optional string aspect_ratio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for aspectRatio.
+     */
+    public com.google.protobuf.ByteString getAspectRatioBytes() {
+      java.lang.Object ref = aspectRatio_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        aspectRatio_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The desired aspect ratio for the generated images. The following
+     * aspect ratios are supported:
+     *
+     * "1:1"
+     * "2:3", "3:2"
+     * "3:4", "4:3"
+     * "4:5", "5:4"
+     * "9:16", "16:9"
+     * "21:9"
+     * </pre>
+     *
+     * <code>optional string aspect_ratio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The aspectRatio to set.
+     * @return This builder for chaining.
+     */
+    public Builder setAspectRatio(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      aspectRatio_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The desired aspect ratio for the generated images. The following
+     * aspect ratios are supported:
+     *
+     * "1:1"
+     * "2:3", "3:2"
+     * "3:4", "4:3"
+     * "4:5", "5:4"
+     * "9:16", "16:9"
+     * "21:9"
+     * </pre>
+     *
+     * <code>optional string aspect_ratio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearAspectRatio() {
+      aspectRatio_ = getDefaultInstance().getAspectRatio();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The desired aspect ratio for the generated images. The following
+     * aspect ratios are supported:
+     *
+     * "1:1"
+     * "2:3", "3:2"
+     * "3:4", "4:3"
+     * "4:5", "5:4"
+     * "9:16", "16:9"
+     * "21:9"
+     * </pre>
+     *
+     * <code>optional string aspect_ratio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for aspectRatio to set.
+     * @return This builder for chaining.
+     */
+    public Builder setAspectRatioBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      aspectRatio_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ImageConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.ImageConfig)
+  private static final com.google.cloud.vertexai.api.ImageConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.ImageConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.ImageConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ImageConfig> PARSER =
+      new com.google.protobuf.AbstractParser<ImageConfig>() {
+        @java.lang.Override
+        public ImageConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<ImageConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ImageConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ImageConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ImageConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ImageConfigOrBuilder.java
new file mode 100644
index 000000000000..083fff70d2e9
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ImageConfigOrBuilder.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface ImageConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ImageConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The desired aspect ratio for the generated images. The following
+   * aspect ratios are supported:
+   *
+   * "1:1"
+   * "2:3", "3:2"
+   * "3:4", "4:3"
+   * "4:5", "5:4"
+   * "9:16", "16:9"
+   * "21:9"
+   * </pre>
+   *
+   * <code>optional string aspect_ratio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the aspectRatio field is set.
+   */
+  boolean hasAspectRatio();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The desired aspect ratio for the generated images. The following
+   * aspect ratios are supported:
+   *
+   * "1:1"
+   * "2:3", "3:2"
+   * "3:4", "4:3"
+   * "4:5", "5:4"
+   * "9:16", "16:9"
+   * "21:9"
+   * </pre>
+   *
+   * <code>optional string aspect_ratio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The aspectRatio.
+   */
+  java.lang.String getAspectRatio();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The desired aspect ratio for the generated images. The following
+   * aspect ratios are supported:
+   *
+   * "1:1"
+   * "2:3", "3:2"
+   * "3:4", "4:3"
+   * "4:5", "5:4"
+   * "9:16", "16:9"
+   * "21:9"
+   * </pre>
+   *
+   * <code>optional string aspect_ratio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for aspectRatio.
+   */
+  com.google.protobuf.ByteString getAspectRatioBytes();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ImportRagFilesConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ImportRagFilesConfig.java
new file mode 100644
index 000000000000..0b6856be54d5
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ImportRagFilesConfig.java
@@ -0,0 +1,4617 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Config for importing RagFiles.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.ImportRagFilesConfig}
+ */
+@com.google.protobuf.Generated
+public final class ImportRagFilesConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ImportRagFilesConfig)
+    ImportRagFilesConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ImportRagFilesConfig");
+  }
+
+  // Use ImportRagFilesConfig.newBuilder() to construct.
+  private ImportRagFilesConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ImportRagFilesConfig() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_ImportRagFilesConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_ImportRagFilesConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.ImportRagFilesConfig.class,
+            com.google.cloud.vertexai.api.ImportRagFilesConfig.Builder.class);
+  }
+
+  private int bitField0_;
+  private int importSourceCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object importSource_;
+
+  public enum ImportSourceCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    GCS_SOURCE(2),
+    GOOGLE_DRIVE_SOURCE(3),
+    SLACK_SOURCE(6),
+    JIRA_SOURCE(7),
+    SHARE_POINT_SOURCES(13),
+    IMPORTSOURCE_NOT_SET(0);
+    private final int value;
+
+    private ImportSourceCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static ImportSourceCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static ImportSourceCase forNumber(int value) {
+      switch (value) {
+        case 2:
+          return GCS_SOURCE;
+        case 3:
+          return GOOGLE_DRIVE_SOURCE;
+        case 6:
+          return SLACK_SOURCE;
+        case 7:
+          return JIRA_SOURCE;
+        case 13:
+          return SHARE_POINT_SOURCES;
+        case 0:
+          return IMPORTSOURCE_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public ImportSourceCase getImportSourceCase() {
+    return ImportSourceCase.forNumber(importSourceCase_);
+  }
+
+  private int partialFailureSinkCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object partialFailureSink_;
+
+  public enum PartialFailureSinkCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    @java.lang.Deprecated
+    PARTIAL_FAILURE_GCS_SINK(11),
+    @java.lang.Deprecated
+    PARTIAL_FAILURE_BIGQUERY_SINK(12),
+    PARTIALFAILURESINK_NOT_SET(0);
+    private final int value;
+
+    private PartialFailureSinkCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static PartialFailureSinkCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static PartialFailureSinkCase forNumber(int value) {
+      switch (value) {
+        case 11:
+          return PARTIAL_FAILURE_GCS_SINK;
+        case 12:
+          return PARTIAL_FAILURE_BIGQUERY_SINK;
+        case 0:
+          return PARTIALFAILURESINK_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public PartialFailureSinkCase getPartialFailureSinkCase() {
+    return PartialFailureSinkCase.forNumber(partialFailureSinkCase_);
+  }
+
+  private int importResultSinkCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object importResultSink_;
+
+  public enum ImportResultSinkCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    IMPORT_RESULT_GCS_SINK(14),
+    IMPORT_RESULT_BIGQUERY_SINK(15),
+    IMPORTRESULTSINK_NOT_SET(0);
+    private final int value;
+
+    private ImportResultSinkCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static ImportResultSinkCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static ImportResultSinkCase forNumber(int value) {
+      switch (value) {
+        case 14:
+          return IMPORT_RESULT_GCS_SINK;
+        case 15:
+          return IMPORT_RESULT_BIGQUERY_SINK;
+        case 0:
+          return IMPORTRESULTSINK_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public ImportResultSinkCase getImportResultSinkCase() {
+    return ImportResultSinkCase.forNumber(importResultSinkCase_);
+  }
+
+  public static final int GCS_SOURCE_FIELD_NUMBER = 2;
+
+  /**
+   *
+   *
+   * <pre>
+   * Google Cloud Storage location. Supports importing individual files as
+   * well as entire Google Cloud Storage directories. Sample formats:
+   * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+   * - `gs://bucket_name/my_directory`
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+   *
+   * @return Whether the gcsSource field is set.
+   */
+  @java.lang.Override
+  public boolean hasGcsSource() {
+    return importSourceCase_ == 2;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Google Cloud Storage location. Supports importing individual files as
+   * well as entire Google Cloud Storage directories. Sample formats:
+   * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+   * - `gs://bucket_name/my_directory`
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+   *
+   * @return The gcsSource.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GcsSource getGcsSource() {
+    if (importSourceCase_ == 2) {
+      return (com.google.cloud.vertexai.api.GcsSource) importSource_;
+    }
+    return com.google.cloud.vertexai.api.GcsSource.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Google Cloud Storage location. Supports importing individual files as
+   * well as entire Google Cloud Storage directories. Sample formats:
+   * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+   * - `gs://bucket_name/my_directory`
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GcsSourceOrBuilder getGcsSourceOrBuilder() {
+    if (importSourceCase_ == 2) {
+      return (com.google.cloud.vertexai.api.GcsSource) importSource_;
+    }
+    return com.google.cloud.vertexai.api.GcsSource.getDefaultInstance();
+  }
+
+  public static final int GOOGLE_DRIVE_SOURCE_FIELD_NUMBER = 3;
+
+  /**
+   *
+   *
+   * <pre>
+   * Google Drive location. Supports importing individual files as
+   * well as Google Drive folders.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+   *
+   * @return Whether the googleDriveSource field is set.
+   */
+  @java.lang.Override
+  public boolean hasGoogleDriveSource() {
+    return importSourceCase_ == 3;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Google Drive location. Supports importing individual files as
+   * well as Google Drive folders.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+   *
+   * @return The googleDriveSource.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GoogleDriveSource getGoogleDriveSource() {
+    if (importSourceCase_ == 3) {
+      return (com.google.cloud.vertexai.api.GoogleDriveSource) importSource_;
+    }
+    return com.google.cloud.vertexai.api.GoogleDriveSource.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Google Drive location. Supports importing individual files as
+   * well as Google Drive folders.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GoogleDriveSourceOrBuilder getGoogleDriveSourceOrBuilder() {
+    if (importSourceCase_ == 3) {
+      return (com.google.cloud.vertexai.api.GoogleDriveSource) importSource_;
+    }
+    return com.google.cloud.vertexai.api.GoogleDriveSource.getDefaultInstance();
+  }
+
+  public static final int SLACK_SOURCE_FIELD_NUMBER = 6;
+
+  /**
+   *
+   *
+   * <pre>
+   * Slack channels with their corresponding access tokens.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+   *
+   * @return Whether the slackSource field is set.
+   */
+  @java.lang.Override
+  public boolean hasSlackSource() {
+    return importSourceCase_ == 6;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Slack channels with their corresponding access tokens.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+   *
+   * @return The slackSource.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SlackSource getSlackSource() {
+    if (importSourceCase_ == 6) {
+      return (com.google.cloud.vertexai.api.SlackSource) importSource_;
+    }
+    return com.google.cloud.vertexai.api.SlackSource.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Slack channels with their corresponding access tokens.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SlackSourceOrBuilder getSlackSourceOrBuilder() {
+    if (importSourceCase_ == 6) {
+      return (com.google.cloud.vertexai.api.SlackSource) importSource_;
+    }
+    return com.google.cloud.vertexai.api.SlackSource.getDefaultInstance();
+  }
+
+  public static final int JIRA_SOURCE_FIELD_NUMBER = 7;
+
+  /**
+   *
+   *
+   * <pre>
+   * Jira queries with their corresponding authentication.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+   *
+   * @return Whether the jiraSource field is set.
+   */
+  @java.lang.Override
+  public boolean hasJiraSource() {
+    return importSourceCase_ == 7;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Jira queries with their corresponding authentication.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+   *
+   * @return The jiraSource.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.JiraSource getJiraSource() {
+    if (importSourceCase_ == 7) {
+      return (com.google.cloud.vertexai.api.JiraSource) importSource_;
+    }
+    return com.google.cloud.vertexai.api.JiraSource.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Jira queries with their corresponding authentication.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.JiraSourceOrBuilder getJiraSourceOrBuilder() {
+    if (importSourceCase_ == 7) {
+      return (com.google.cloud.vertexai.api.JiraSource) importSource_;
+    }
+    return com.google.cloud.vertexai.api.JiraSource.getDefaultInstance();
+  }
+
+  public static final int SHARE_POINT_SOURCES_FIELD_NUMBER = 13;
+
+  /**
+   *
+   *
+   * <pre>
+   * SharePoint sources.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+   *
+   * @return Whether the sharePointSources field is set.
+   */
+  @java.lang.Override
+  public boolean hasSharePointSources() {
+    return importSourceCase_ == 13;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * SharePoint sources.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+   *
+   * @return The sharePointSources.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SharePointSources getSharePointSources() {
+    if (importSourceCase_ == 13) {
+      return (com.google.cloud.vertexai.api.SharePointSources) importSource_;
+    }
+    return com.google.cloud.vertexai.api.SharePointSources.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * SharePoint sources.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SharePointSourcesOrBuilder getSharePointSourcesOrBuilder() {
+    if (importSourceCase_ == 13) {
+      return (com.google.cloud.vertexai.api.SharePointSources) importSource_;
+    }
+    return com.google.cloud.vertexai.api.SharePointSources.getDefaultInstance();
+  }
+
+  public static final int PARTIAL_FAILURE_GCS_SINK_FIELD_NUMBER = 11;
+
+  /**
+   *
+   *
+   * <pre>
+   * The Cloud Storage path to write partial failures to.
+   * Deprecated. Prefer to use `import_result_gcs_sink`.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+   * </code>
+   *
+   * @deprecated google.cloud.vertexai.v1.ImportRagFilesConfig.partial_failure_gcs_sink is
+   *     deprecated. See google/cloud/vertexai/v1/vertex_rag_data.proto;l=463
+   * @return Whether the partialFailureGcsSink field is set.
+   */
+  @java.lang.Override
+  @java.lang.Deprecated
+  public boolean hasPartialFailureGcsSink() {
+    return partialFailureSinkCase_ == 11;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The Cloud Storage path to write partial failures to.
+   * Deprecated. Prefer to use `import_result_gcs_sink`.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+   * </code>
+   *
+   * @deprecated google.cloud.vertexai.v1.ImportRagFilesConfig.partial_failure_gcs_sink is
+   *     deprecated. See google/cloud/vertexai/v1/vertex_rag_data.proto;l=463
+   * @return The partialFailureGcsSink.
+   */
+  @java.lang.Override
+  @java.lang.Deprecated
+  public com.google.cloud.vertexai.api.GcsDestination getPartialFailureGcsSink() {
+    if (partialFailureSinkCase_ == 11) {
+      return (com.google.cloud.vertexai.api.GcsDestination) partialFailureSink_;
+    }
+    return com.google.cloud.vertexai.api.GcsDestination.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The Cloud Storage path to write partial failures to.
+   * Deprecated. Prefer to use `import_result_gcs_sink`.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+   * </code>
+   */
+  @java.lang.Override
+  @java.lang.Deprecated
+  public com.google.cloud.vertexai.api.GcsDestinationOrBuilder getPartialFailureGcsSinkOrBuilder() {
+    if (partialFailureSinkCase_ == 11) {
+      return (com.google.cloud.vertexai.api.GcsDestination) partialFailureSink_;
+    }
+    return com.google.cloud.vertexai.api.GcsDestination.getDefaultInstance();
+  }
+
+  public static final int PARTIAL_FAILURE_BIGQUERY_SINK_FIELD_NUMBER = 12;
+
+  /**
+   *
+   *
+   * <pre>
+   * The BigQuery destination to write partial failures to. It should be a
+   * bigquery table resource name (e.g.
+   * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+   * table does not exist, it will be created with the expected schema. If the
+   * table exists, the schema will be validated and data will be added to this
+   * existing table.
+   * Deprecated. Prefer to use `import_result_bq_sink`.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+   * </code>
+   *
+   * @deprecated google.cloud.vertexai.v1.ImportRagFilesConfig.partial_failure_bigquery_sink is
+   *     deprecated. See google/cloud/vertexai/v1/vertex_rag_data.proto;l=472
+   * @return Whether the partialFailureBigquerySink field is set.
+   */
+  @java.lang.Override
+  @java.lang.Deprecated
+  public boolean hasPartialFailureBigquerySink() {
+    return partialFailureSinkCase_ == 12;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The BigQuery destination to write partial failures to. It should be a
+   * bigquery table resource name (e.g.
+   * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+   * table does not exist, it will be created with the expected schema. If the
+   * table exists, the schema will be validated and data will be added to this
+   * existing table.
+   * Deprecated. Prefer to use `import_result_bq_sink`.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+   * </code>
+   *
+   * @deprecated google.cloud.vertexai.v1.ImportRagFilesConfig.partial_failure_bigquery_sink is
+   *     deprecated. See google/cloud/vertexai/v1/vertex_rag_data.proto;l=472
+   * @return The partialFailureBigquerySink.
+   */
+  @java.lang.Override
+  @java.lang.Deprecated
+  public com.google.cloud.vertexai.api.BigQueryDestination getPartialFailureBigquerySink() {
+    if (partialFailureSinkCase_ == 12) {
+      return (com.google.cloud.vertexai.api.BigQueryDestination) partialFailureSink_;
+    }
+    return com.google.cloud.vertexai.api.BigQueryDestination.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The BigQuery destination to write partial failures to. It should be a
+   * bigquery table resource name (e.g.
+   * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+   * table does not exist, it will be created with the expected schema. If the
+   * table exists, the schema will be validated and data will be added to this
+   * existing table.
+   * Deprecated. Prefer to use `import_result_bq_sink`.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+   * </code>
+   */
+  @java.lang.Override
+  @java.lang.Deprecated
+  public com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder
+      getPartialFailureBigquerySinkOrBuilder() {
+    if (partialFailureSinkCase_ == 12) {
+      return (com.google.cloud.vertexai.api.BigQueryDestination) partialFailureSink_;
+    }
+    return com.google.cloud.vertexai.api.BigQueryDestination.getDefaultInstance();
+  }
+
+  public static final int IMPORT_RESULT_GCS_SINK_FIELD_NUMBER = 14;
+
+  /**
+   *
+   *
+   * <pre>
+   * The Cloud Storage path to write import result to.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+   *
+   * @return Whether the importResultGcsSink field is set.
+   */
+  @java.lang.Override
+  public boolean hasImportResultGcsSink() {
+    return importResultSinkCase_ == 14;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The Cloud Storage path to write import result to.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+   *
+   * @return The importResultGcsSink.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GcsDestination getImportResultGcsSink() {
+    if (importResultSinkCase_ == 14) {
+      return (com.google.cloud.vertexai.api.GcsDestination) importResultSink_;
+    }
+    return com.google.cloud.vertexai.api.GcsDestination.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The Cloud Storage path to write import result to.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GcsDestinationOrBuilder getImportResultGcsSinkOrBuilder() {
+    if (importResultSinkCase_ == 14) {
+      return (com.google.cloud.vertexai.api.GcsDestination) importResultSink_;
+    }
+    return com.google.cloud.vertexai.api.GcsDestination.getDefaultInstance();
+  }
+
+  public static final int IMPORT_RESULT_BIGQUERY_SINK_FIELD_NUMBER = 15;
+
+  /**
+   *
+   *
+   * <pre>
+   * The BigQuery destination to write import result to. It should be a
+   * bigquery table resource name (e.g.
+   * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+   * table does not exist, it will be created with the expected schema. If the
+   * table exists, the schema will be validated and data will be added to this
+   * existing table.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+   *
+   * @return Whether the importResultBigquerySink field is set.
+   */
+  @java.lang.Override
+  public boolean hasImportResultBigquerySink() {
+    return importResultSinkCase_ == 15;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The BigQuery destination to write import result to. It should be a
+   * bigquery table resource name (e.g.
+   * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+   * table does not exist, it will be created with the expected schema. If the
+   * table exists, the schema will be validated and data will be added to this
+   * existing table.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+   *
+   * @return The importResultBigquerySink.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.BigQueryDestination getImportResultBigquerySink() {
+    if (importResultSinkCase_ == 15) {
+      return (com.google.cloud.vertexai.api.BigQueryDestination) importResultSink_;
+    }
+    return com.google.cloud.vertexai.api.BigQueryDestination.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The BigQuery destination to write import result to. It should be a
+   * bigquery table resource name (e.g.
+   * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+   * table does not exist, it will be created with the expected schema. If the
+   * table exists, the schema will be validated and data will be added to this
+   * existing table.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder
+      getImportResultBigquerySinkOrBuilder() {
+    if (importResultSinkCase_ == 15) {
+      return (com.google.cloud.vertexai.api.BigQueryDestination) importResultSink_;
+    }
+    return com.google.cloud.vertexai.api.BigQueryDestination.getDefaultInstance();
+  }
+
+  public static final int RAG_FILE_TRANSFORMATION_CONFIG_FIELD_NUMBER = 16;
+  private com.google.cloud.vertexai.api.RagFileTransformationConfig ragFileTransformationConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the transformation config for RagFiles.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+   * </code>
+   *
+   * @return Whether the ragFileTransformationConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasRagFileTransformationConfig() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the transformation config for RagFiles.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+   * </code>
+   *
+   * @return The ragFileTransformationConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileTransformationConfig
+      getRagFileTransformationConfig() {
+    return ragFileTransformationConfig_ == null
+        ? com.google.cloud.vertexai.api.RagFileTransformationConfig.getDefaultInstance()
+        : ragFileTransformationConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the transformation config for RagFiles.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileTransformationConfigOrBuilder
+      getRagFileTransformationConfigOrBuilder() {
+    return ragFileTransformationConfig_ == null
+        ? com.google.cloud.vertexai.api.RagFileTransformationConfig.getDefaultInstance()
+        : ragFileTransformationConfig_;
+  }
+
+  public static final int RAG_FILE_PARSING_CONFIG_FIELD_NUMBER = 8;
+  private com.google.cloud.vertexai.api.RagFileParsingConfig ragFileParsingConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Specifies the parsing config for RagFiles.
+   * RAG will use the default parser if this field is not set.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the ragFileParsingConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasRagFileParsingConfig() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Specifies the parsing config for RagFiles.
+   * RAG will use the default parser if this field is not set.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The ragFileParsingConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileParsingConfig getRagFileParsingConfig() {
+    return ragFileParsingConfig_ == null
+        ? com.google.cloud.vertexai.api.RagFileParsingConfig.getDefaultInstance()
+        : ragFileParsingConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Specifies the parsing config for RagFiles.
+   * RAG will use the default parser if this field is not set.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileParsingConfigOrBuilder
+      getRagFileParsingConfigOrBuilder() {
+    return ragFileParsingConfig_ == null
+        ? com.google.cloud.vertexai.api.RagFileParsingConfig.getDefaultInstance()
+        : ragFileParsingConfig_;
+  }
+
+  public static final int MAX_EMBEDDING_REQUESTS_PER_MIN_FIELD_NUMBER = 5;
+  private int maxEmbeddingRequestsPerMin_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The max number of queries per minute that this job is allowed to
+   * make to the embedding model specified on the corpus. This value is specific
+   * to this job and not shared across other import jobs. Consult the Quotas
+   * page on the project to set an appropriate value here.
+   * If unspecified, a default value of 1,000 QPM would be used.
+   * </pre>
+   *
+   * <code>int32 max_embedding_requests_per_min = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The maxEmbeddingRequestsPerMin.
+   */
+  @java.lang.Override
+  public int getMaxEmbeddingRequestsPerMin() {
+    return maxEmbeddingRequestsPerMin_;
+  }
+
+  public static final int REBUILD_ANN_INDEX_FIELD_NUMBER = 19;
+  private boolean rebuildAnnIndex_ = false;
+
+  /**
+   *
+   *
+   * <pre>
+   * Rebuilds the ANN index to optimize for recall on the imported data.
+   * Only applicable for RagCorpora running on RagManagedDb with
+   * `retrieval_strategy` set to `ANN`. The rebuild will be performed using the
+   * existing ANN config set on the RagCorpus. To change the ANN config, please
+   * use the UpdateRagCorpus API.
+   *
+   * Default is false, i.e., index is not rebuilt.
+   * </pre>
+   *
+   * <code>bool rebuild_ann_index = 19;</code>
+   *
+   * @return The rebuildAnnIndex.
+   */
+  @java.lang.Override
+  public boolean getRebuildAnnIndex() {
+    return rebuildAnnIndex_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (importSourceCase_ == 2) {
+      output.writeMessage(2, (com.google.cloud.vertexai.api.GcsSource) importSource_);
+    }
+    if (importSourceCase_ == 3) {
+      output.writeMessage(3, (com.google.cloud.vertexai.api.GoogleDriveSource) importSource_);
+    }
+    if (maxEmbeddingRequestsPerMin_ != 0) {
+      output.writeInt32(5, maxEmbeddingRequestsPerMin_);
+    }
+    if (importSourceCase_ == 6) {
+      output.writeMessage(6, (com.google.cloud.vertexai.api.SlackSource) importSource_);
+    }
+    if (importSourceCase_ == 7) {
+      output.writeMessage(7, (com.google.cloud.vertexai.api.JiraSource) importSource_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(8, getRagFileParsingConfig());
+    }
+    if (partialFailureSinkCase_ == 11) {
+      output.writeMessage(11, (com.google.cloud.vertexai.api.GcsDestination) partialFailureSink_);
+    }
+    if (partialFailureSinkCase_ == 12) {
+      output.writeMessage(
+          12, (com.google.cloud.vertexai.api.BigQueryDestination) partialFailureSink_);
+    }
+    if (importSourceCase_ == 13) {
+      output.writeMessage(13, (com.google.cloud.vertexai.api.SharePointSources) importSource_);
+    }
+    if (importResultSinkCase_ == 14) {
+      output.writeMessage(14, (com.google.cloud.vertexai.api.GcsDestination) importResultSink_);
+    }
+    if (importResultSinkCase_ == 15) {
+      output.writeMessage(
+          15, (com.google.cloud.vertexai.api.BigQueryDestination) importResultSink_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(16, getRagFileTransformationConfig());
+    }
+    if (rebuildAnnIndex_ != false) {
+      output.writeBool(19, rebuildAnnIndex_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (importSourceCase_ == 2) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              2, (com.google.cloud.vertexai.api.GcsSource) importSource_);
+    }
+    if (importSourceCase_ == 3) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              3, (com.google.cloud.vertexai.api.GoogleDriveSource) importSource_);
+    }
+    if (maxEmbeddingRequestsPerMin_ != 0) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeInt32Size(5, maxEmbeddingRequestsPerMin_);
+    }
+    if (importSourceCase_ == 6) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              6, (com.google.cloud.vertexai.api.SlackSource) importSource_);
+    }
+    if (importSourceCase_ == 7) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              7, (com.google.cloud.vertexai.api.JiraSource) importSource_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(8, getRagFileParsingConfig());
+    }
+    if (partialFailureSinkCase_ == 11) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              11, (com.google.cloud.vertexai.api.GcsDestination) partialFailureSink_);
+    }
+    if (partialFailureSinkCase_ == 12) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              12, (com.google.cloud.vertexai.api.BigQueryDestination) partialFailureSink_);
+    }
+    if (importSourceCase_ == 13) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              13, (com.google.cloud.vertexai.api.SharePointSources) importSource_);
+    }
+    if (importResultSinkCase_ == 14) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              14, (com.google.cloud.vertexai.api.GcsDestination) importResultSink_);
+    }
+    if (importResultSinkCase_ == 15) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              15, (com.google.cloud.vertexai.api.BigQueryDestination) importResultSink_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              16, getRagFileTransformationConfig());
+    }
+    if (rebuildAnnIndex_ != false) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(19, rebuildAnnIndex_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.ImportRagFilesConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.ImportRagFilesConfig other =
+        (com.google.cloud.vertexai.api.ImportRagFilesConfig) obj;
+
+    if (hasRagFileTransformationConfig() != other.hasRagFileTransformationConfig()) return false;
+    if (hasRagFileTransformationConfig()) {
+      if (!getRagFileTransformationConfig().equals(other.getRagFileTransformationConfig()))
+        return false;
+    }
+    if (hasRagFileParsingConfig() != other.hasRagFileParsingConfig()) return false;
+    if (hasRagFileParsingConfig()) {
+      if (!getRagFileParsingConfig().equals(other.getRagFileParsingConfig())) return false;
+    }
+    if (getMaxEmbeddingRequestsPerMin() != other.getMaxEmbeddingRequestsPerMin()) return false;
+    if (getRebuildAnnIndex() != other.getRebuildAnnIndex()) return false;
+    if (!getImportSourceCase().equals(other.getImportSourceCase())) return false;
+    switch (importSourceCase_) {
+      case 2:
+        if (!getGcsSource().equals(other.getGcsSource())) return false;
+        break;
+      case 3:
+        if (!getGoogleDriveSource().equals(other.getGoogleDriveSource())) return false;
+        break;
+      case 6:
+        if (!getSlackSource().equals(other.getSlackSource())) return false;
+        break;
+      case 7:
+        if (!getJiraSource().equals(other.getJiraSource())) return false;
+        break;
+      case 13:
+        if (!getSharePointSources().equals(other.getSharePointSources())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getPartialFailureSinkCase().equals(other.getPartialFailureSinkCase())) return false;
+    switch (partialFailureSinkCase_) {
+      case 11:
+        if (!getPartialFailureGcsSink().equals(other.getPartialFailureGcsSink())) return false;
+        break;
+      case 12:
+        if (!getPartialFailureBigquerySink().equals(other.getPartialFailureBigquerySink()))
+          return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getImportResultSinkCase().equals(other.getImportResultSinkCase())) return false;
+    switch (importResultSinkCase_) {
+      case 14:
+        if (!getImportResultGcsSink().equals(other.getImportResultGcsSink())) return false;
+        break;
+      case 15:
+        if (!getImportResultBigquerySink().equals(other.getImportResultBigquerySink()))
+          return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasRagFileTransformationConfig()) {
+      hash = (37 * hash) + RAG_FILE_TRANSFORMATION_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getRagFileTransformationConfig().hashCode();
+    }
+    if (hasRagFileParsingConfig()) {
+      hash = (37 * hash) + RAG_FILE_PARSING_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getRagFileParsingConfig().hashCode();
+    }
+    hash = (37 * hash) + MAX_EMBEDDING_REQUESTS_PER_MIN_FIELD_NUMBER;
+    hash = (53 * hash) + getMaxEmbeddingRequestsPerMin();
+    hash = (37 * hash) + REBUILD_ANN_INDEX_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getRebuildAnnIndex());
+    switch (importSourceCase_) {
+      case 2:
+        hash = (37 * hash) + GCS_SOURCE_FIELD_NUMBER;
+        hash = (53 * hash) + getGcsSource().hashCode();
+        break;
+      case 3:
+        hash = (37 * hash) + GOOGLE_DRIVE_SOURCE_FIELD_NUMBER;
+        hash = (53 * hash) + getGoogleDriveSource().hashCode();
+        break;
+      case 6:
+        hash = (37 * hash) + SLACK_SOURCE_FIELD_NUMBER;
+        hash = (53 * hash) + getSlackSource().hashCode();
+        break;
+      case 7:
+        hash = (37 * hash) + JIRA_SOURCE_FIELD_NUMBER;
+        hash = (53 * hash) + getJiraSource().hashCode();
+        break;
+      case 13:
+        hash = (37 * hash) + SHARE_POINT_SOURCES_FIELD_NUMBER;
+        hash = (53 * hash) + getSharePointSources().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    switch (partialFailureSinkCase_) {
+      case 11:
+        hash = (37 * hash) + PARTIAL_FAILURE_GCS_SINK_FIELD_NUMBER;
+        hash = (53 * hash) + getPartialFailureGcsSink().hashCode();
+        break;
+      case 12:
+        hash = (37 * hash) + PARTIAL_FAILURE_BIGQUERY_SINK_FIELD_NUMBER;
+        hash = (53 * hash) + getPartialFailureBigquerySink().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    switch (importResultSinkCase_) {
+      case 14:
+        hash = (37 * hash) + IMPORT_RESULT_GCS_SINK_FIELD_NUMBER;
+        hash = (53 * hash) + getImportResultGcsSink().hashCode();
+        break;
+      case 15:
+        hash = (37 * hash) + IMPORT_RESULT_BIGQUERY_SINK_FIELD_NUMBER;
+        hash = (53 * hash) + getImportResultBigquerySink().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.ImportRagFilesConfig parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.ImportRagFilesConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ImportRagFilesConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.ImportRagFilesConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ImportRagFilesConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.ImportRagFilesConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ImportRagFilesConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.ImportRagFilesConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ImportRagFilesConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.ImportRagFilesConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ImportRagFilesConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.ImportRagFilesConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.ImportRagFilesConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Config for importing RagFiles.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.ImportRagFilesConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ImportRagFilesConfig)
+      com.google.cloud.vertexai.api.ImportRagFilesConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_ImportRagFilesConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_ImportRagFilesConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.ImportRagFilesConfig.class,
+              com.google.cloud.vertexai.api.ImportRagFilesConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.ImportRagFilesConfig.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetRagFileTransformationConfigFieldBuilder();
+        internalGetRagFileParsingConfigFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (gcsSourceBuilder_ != null) {
+        gcsSourceBuilder_.clear();
+      }
+      if (googleDriveSourceBuilder_ != null) {
+        googleDriveSourceBuilder_.clear();
+      }
+      if (slackSourceBuilder_ != null) {
+        slackSourceBuilder_.clear();
+      }
+      if (jiraSourceBuilder_ != null) {
+        jiraSourceBuilder_.clear();
+      }
+      if (sharePointSourcesBuilder_ != null) {
+        sharePointSourcesBuilder_.clear();
+      }
+      if (partialFailureGcsSinkBuilder_ != null) {
+        partialFailureGcsSinkBuilder_.clear();
+      }
+      if (partialFailureBigquerySinkBuilder_ != null) {
+        partialFailureBigquerySinkBuilder_.clear();
+      }
+      if (importResultGcsSinkBuilder_ != null) {
+        importResultGcsSinkBuilder_.clear();
+      }
+      if (importResultBigquerySinkBuilder_ != null) {
+        importResultBigquerySinkBuilder_.clear();
+      }
+      ragFileTransformationConfig_ = null;
+      if (ragFileTransformationConfigBuilder_ != null) {
+        ragFileTransformationConfigBuilder_.dispose();
+        ragFileTransformationConfigBuilder_ = null;
+      }
+      ragFileParsingConfig_ = null;
+      if (ragFileParsingConfigBuilder_ != null) {
+        ragFileParsingConfigBuilder_.dispose();
+        ragFileParsingConfigBuilder_ = null;
+      }
+      maxEmbeddingRequestsPerMin_ = 0;
+      rebuildAnnIndex_ = false;
+      importSourceCase_ = 0;
+      importSource_ = null;
+      partialFailureSinkCase_ = 0;
+      partialFailureSink_ = null;
+      importResultSinkCase_ = 0;
+      importResultSink_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_ImportRagFilesConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.ImportRagFilesConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.ImportRagFilesConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.ImportRagFilesConfig build() {
+      com.google.cloud.vertexai.api.ImportRagFilesConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.ImportRagFilesConfig buildPartial() {
+      com.google.cloud.vertexai.api.ImportRagFilesConfig result =
+          new com.google.cloud.vertexai.api.ImportRagFilesConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.ImportRagFilesConfig result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000200) != 0)) {
+        result.ragFileTransformationConfig_ =
+            ragFileTransformationConfigBuilder_ == null
+                ? ragFileTransformationConfig_
+                : ragFileTransformationConfigBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      if (((from_bitField0_ & 0x00000400) != 0)) {
+        result.ragFileParsingConfig_ =
+            ragFileParsingConfigBuilder_ == null
+                ? ragFileParsingConfig_
+                : ragFileParsingConfigBuilder_.build();
+        to_bitField0_ |= 0x00000002;
+      }
+      if (((from_bitField0_ & 0x00000800) != 0)) {
+        result.maxEmbeddingRequestsPerMin_ = maxEmbeddingRequestsPerMin_;
+      }
+      if (((from_bitField0_ & 0x00001000) != 0)) {
+        result.rebuildAnnIndex_ = rebuildAnnIndex_;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.vertexai.api.ImportRagFilesConfig result) {
+      result.importSourceCase_ = importSourceCase_;
+      result.importSource_ = this.importSource_;
+      if (importSourceCase_ == 2 && gcsSourceBuilder_ != null) {
+        result.importSource_ = gcsSourceBuilder_.build();
+      }
+      if (importSourceCase_ == 3 && googleDriveSourceBuilder_ != null) {
+        result.importSource_ = googleDriveSourceBuilder_.build();
+      }
+      if (importSourceCase_ == 6 && slackSourceBuilder_ != null) {
+        result.importSource_ = slackSourceBuilder_.build();
+      }
+      if (importSourceCase_ == 7 && jiraSourceBuilder_ != null) {
+        result.importSource_ = jiraSourceBuilder_.build();
+      }
+      if (importSourceCase_ == 13 && sharePointSourcesBuilder_ != null) {
+        result.importSource_ = sharePointSourcesBuilder_.build();
+      }
+      result.partialFailureSinkCase_ = partialFailureSinkCase_;
+      result.partialFailureSink_ = this.partialFailureSink_;
+      if (partialFailureSinkCase_ == 11 && partialFailureGcsSinkBuilder_ != null) {
+        result.partialFailureSink_ = partialFailureGcsSinkBuilder_.build();
+      }
+      if (partialFailureSinkCase_ == 12 && partialFailureBigquerySinkBuilder_ != null) {
+        result.partialFailureSink_ = partialFailureBigquerySinkBuilder_.build();
+      }
+      result.importResultSinkCase_ = importResultSinkCase_;
+      result.importResultSink_ = this.importResultSink_;
+      if (importResultSinkCase_ == 14 && importResultGcsSinkBuilder_ != null) {
+        result.importResultSink_ = importResultGcsSinkBuilder_.build();
+      }
+      if (importResultSinkCase_ == 15 && importResultBigquerySinkBuilder_ != null) {
+        result.importResultSink_ = importResultBigquerySinkBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.ImportRagFilesConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.ImportRagFilesConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.ImportRagFilesConfig other) {
+      if (other == com.google.cloud.vertexai.api.ImportRagFilesConfig.getDefaultInstance())
+        return this;
+      if (other.hasRagFileTransformationConfig()) {
+        mergeRagFileTransformationConfig(other.getRagFileTransformationConfig());
+      }
+      if (other.hasRagFileParsingConfig()) {
+        mergeRagFileParsingConfig(other.getRagFileParsingConfig());
+      }
+      if (other.getMaxEmbeddingRequestsPerMin() != 0) {
+        setMaxEmbeddingRequestsPerMin(other.getMaxEmbeddingRequestsPerMin());
+      }
+      if (other.getRebuildAnnIndex() != false) {
+        setRebuildAnnIndex(other.getRebuildAnnIndex());
+      }
+      switch (other.getImportSourceCase()) {
+        case GCS_SOURCE:
+          {
+            mergeGcsSource(other.getGcsSource());
+            break;
+          }
+        case GOOGLE_DRIVE_SOURCE:
+          {
+            mergeGoogleDriveSource(other.getGoogleDriveSource());
+            break;
+          }
+        case SLACK_SOURCE:
+          {
+            mergeSlackSource(other.getSlackSource());
+            break;
+          }
+        case JIRA_SOURCE:
+          {
+            mergeJiraSource(other.getJiraSource());
+            break;
+          }
+        case SHARE_POINT_SOURCES:
+          {
+            mergeSharePointSources(other.getSharePointSources());
+            break;
+          }
+        case IMPORTSOURCE_NOT_SET:
+          {
+            break;
+          }
+      }
+      switch (other.getPartialFailureSinkCase()) {
+        case PARTIAL_FAILURE_GCS_SINK:
+          {
+            mergePartialFailureGcsSink(other.getPartialFailureGcsSink());
+            break;
+          }
+        case PARTIAL_FAILURE_BIGQUERY_SINK:
+          {
+            mergePartialFailureBigquerySink(other.getPartialFailureBigquerySink());
+            break;
+          }
+        case PARTIALFAILURESINK_NOT_SET:
+          {
+            break;
+          }
+      }
+      switch (other.getImportResultSinkCase()) {
+        case IMPORT_RESULT_GCS_SINK:
+          {
+            mergeImportResultGcsSink(other.getImportResultGcsSink());
+            break;
+          }
+        case IMPORT_RESULT_BIGQUERY_SINK:
+          {
+            mergeImportResultBigquerySink(other.getImportResultBigquerySink());
+            break;
+          }
+        case IMPORTRESULTSINK_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 18:
+              {
+                input.readMessage(
+                    internalGetGcsSourceFieldBuilder().getBuilder(), extensionRegistry);
+                importSourceCase_ = 2;
+                break;
+              } // case 18
+            case 26:
+              {
+                input.readMessage(
+                    internalGetGoogleDriveSourceFieldBuilder().getBuilder(), extensionRegistry);
+                importSourceCase_ = 3;
+                break;
+              } // case 26
+            case 40:
+              {
+                maxEmbeddingRequestsPerMin_ = input.readInt32();
+                bitField0_ |= 0x00000800;
+                break;
+              } // case 40
+            case 50:
+              {
+                input.readMessage(
+                    internalGetSlackSourceFieldBuilder().getBuilder(), extensionRegistry);
+                importSourceCase_ = 6;
+                break;
+              } // case 50
+            case 58:
+              {
+                input.readMessage(
+                    internalGetJiraSourceFieldBuilder().getBuilder(), extensionRegistry);
+                importSourceCase_ = 7;
+                break;
+              } // case 58
+            case 66:
+              {
+                input.readMessage(
+                    internalGetRagFileParsingConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000400;
+                break;
+              } // case 66
+            case 90:
+              {
+                input.readMessage(
+                    internalGetPartialFailureGcsSinkFieldBuilder().getBuilder(), extensionRegistry);
+                partialFailureSinkCase_ = 11;
+                break;
+              } // case 90
+            case 98:
+              {
+                input.readMessage(
+                    internalGetPartialFailureBigquerySinkFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                partialFailureSinkCase_ = 12;
+                break;
+              } // case 98
+            case 106:
+              {
+                input.readMessage(
+                    internalGetSharePointSourcesFieldBuilder().getBuilder(), extensionRegistry);
+                importSourceCase_ = 13;
+                break;
+              } // case 106
+            case 114:
+              {
+                input.readMessage(
+                    internalGetImportResultGcsSinkFieldBuilder().getBuilder(), extensionRegistry);
+                importResultSinkCase_ = 14;
+                break;
+              } // case 114
+            case 122:
+              {
+                input.readMessage(
+                    internalGetImportResultBigquerySinkFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                importResultSinkCase_ = 15;
+                break;
+              } // case 122
+            case 130:
+              {
+                input.readMessage(
+                    internalGetRagFileTransformationConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                bitField0_ |= 0x00000200;
+                break;
+              } // case 130
+            case 152:
+              {
+                rebuildAnnIndex_ = input.readBool();
+                bitField0_ |= 0x00001000;
+                break;
+              } // case 152
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int importSourceCase_ = 0;
+    private java.lang.Object importSource_;
+
+    public ImportSourceCase getImportSourceCase() {
+      return ImportSourceCase.forNumber(importSourceCase_);
+    }
+
+    public Builder clearImportSource() {
+      importSourceCase_ = 0;
+      importSource_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int partialFailureSinkCase_ = 0;
+    private java.lang.Object partialFailureSink_;
+
+    public PartialFailureSinkCase getPartialFailureSinkCase() {
+      return PartialFailureSinkCase.forNumber(partialFailureSinkCase_);
+    }
+
+    public Builder clearPartialFailureSink() {
+      partialFailureSinkCase_ = 0;
+      partialFailureSink_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int importResultSinkCase_ = 0;
+    private java.lang.Object importResultSink_;
+
+    public ImportResultSinkCase getImportResultSinkCase() {
+      return ImportResultSinkCase.forNumber(importResultSinkCase_);
+    }
+
+    public Builder clearImportResultSink() {
+      importResultSinkCase_ = 0;
+      importResultSink_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GcsSource,
+            com.google.cloud.vertexai.api.GcsSource.Builder,
+            com.google.cloud.vertexai.api.GcsSourceOrBuilder>
+        gcsSourceBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Cloud Storage location. Supports importing individual files as
+     * well as entire Google Cloud Storage directories. Sample formats:
+     * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+     * - `gs://bucket_name/my_directory`
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+     *
+     * @return Whether the gcsSource field is set.
+     */
+    @java.lang.Override
+    public boolean hasGcsSource() {
+      return importSourceCase_ == 2;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Cloud Storage location. Supports importing individual files as
+     * well as entire Google Cloud Storage directories. Sample formats:
+     * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+     * - `gs://bucket_name/my_directory`
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+     *
+     * @return The gcsSource.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GcsSource getGcsSource() {
+      if (gcsSourceBuilder_ == null) {
+        if (importSourceCase_ == 2) {
+          return (com.google.cloud.vertexai.api.GcsSource) importSource_;
+        }
+        return com.google.cloud.vertexai.api.GcsSource.getDefaultInstance();
+      } else {
+        if (importSourceCase_ == 2) {
+          return gcsSourceBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.GcsSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Cloud Storage location. Supports importing individual files as
+     * well as entire Google Cloud Storage directories. Sample formats:
+     * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+     * - `gs://bucket_name/my_directory`
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+     */
+    public Builder setGcsSource(com.google.cloud.vertexai.api.GcsSource value) {
+      if (gcsSourceBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        importSource_ = value;
+        onChanged();
+      } else {
+        gcsSourceBuilder_.setMessage(value);
+      }
+      importSourceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Cloud Storage location. Supports importing individual files as
+     * well as entire Google Cloud Storage directories. Sample formats:
+     * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+     * - `gs://bucket_name/my_directory`
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+     */
+    public Builder setGcsSource(com.google.cloud.vertexai.api.GcsSource.Builder builderForValue) {
+      if (gcsSourceBuilder_ == null) {
+        importSource_ = builderForValue.build();
+        onChanged();
+      } else {
+        gcsSourceBuilder_.setMessage(builderForValue.build());
+      }
+      importSourceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Cloud Storage location. Supports importing individual files as
+     * well as entire Google Cloud Storage directories. Sample formats:
+     * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+     * - `gs://bucket_name/my_directory`
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+     */
+    public Builder mergeGcsSource(com.google.cloud.vertexai.api.GcsSource value) {
+      if (gcsSourceBuilder_ == null) {
+        if (importSourceCase_ == 2
+            && importSource_ != com.google.cloud.vertexai.api.GcsSource.getDefaultInstance()) {
+          importSource_ =
+              com.google.cloud.vertexai.api.GcsSource.newBuilder(
+                      (com.google.cloud.vertexai.api.GcsSource) importSource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          importSource_ = value;
+        }
+        onChanged();
+      } else {
+        if (importSourceCase_ == 2) {
+          gcsSourceBuilder_.mergeFrom(value);
+        } else {
+          gcsSourceBuilder_.setMessage(value);
+        }
+      }
+      importSourceCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Cloud Storage location. Supports importing individual files as
+     * well as entire Google Cloud Storage directories. Sample formats:
+     * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+     * - `gs://bucket_name/my_directory`
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+     */
+    public Builder clearGcsSource() {
+      if (gcsSourceBuilder_ == null) {
+        if (importSourceCase_ == 2) {
+          importSourceCase_ = 0;
+          importSource_ = null;
+          onChanged();
+        }
+      } else {
+        if (importSourceCase_ == 2) {
+          importSourceCase_ = 0;
+          importSource_ = null;
+        }
+        gcsSourceBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Cloud Storage location. Supports importing individual files as
+     * well as entire Google Cloud Storage directories. Sample formats:
+     * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+     * - `gs://bucket_name/my_directory`
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+     */
+    public com.google.cloud.vertexai.api.GcsSource.Builder getGcsSourceBuilder() {
+      return internalGetGcsSourceFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Cloud Storage location. Supports importing individual files as
+     * well as entire Google Cloud Storage directories. Sample formats:
+     * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+     * - `gs://bucket_name/my_directory`
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GcsSourceOrBuilder getGcsSourceOrBuilder() {
+      if ((importSourceCase_ == 2) && (gcsSourceBuilder_ != null)) {
+        return gcsSourceBuilder_.getMessageOrBuilder();
+      } else {
+        if (importSourceCase_ == 2) {
+          return (com.google.cloud.vertexai.api.GcsSource) importSource_;
+        }
+        return com.google.cloud.vertexai.api.GcsSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Cloud Storage location. Supports importing individual files as
+     * well as entire Google Cloud Storage directories. Sample formats:
+     * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+     * - `gs://bucket_name/my_directory`
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GcsSource,
+            com.google.cloud.vertexai.api.GcsSource.Builder,
+            com.google.cloud.vertexai.api.GcsSourceOrBuilder>
+        internalGetGcsSourceFieldBuilder() {
+      if (gcsSourceBuilder_ == null) {
+        if (!(importSourceCase_ == 2)) {
+          importSource_ = com.google.cloud.vertexai.api.GcsSource.getDefaultInstance();
+        }
+        gcsSourceBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.GcsSource,
+                com.google.cloud.vertexai.api.GcsSource.Builder,
+                com.google.cloud.vertexai.api.GcsSourceOrBuilder>(
+                (com.google.cloud.vertexai.api.GcsSource) importSource_,
+                getParentForChildren(),
+                isClean());
+        importSource_ = null;
+      }
+      importSourceCase_ = 2;
+      onChanged();
+      return gcsSourceBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GoogleDriveSource,
+            com.google.cloud.vertexai.api.GoogleDriveSource.Builder,
+            com.google.cloud.vertexai.api.GoogleDriveSourceOrBuilder>
+        googleDriveSourceBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Drive location. Supports importing individual files as
+     * well as Google Drive folders.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+     *
+     * @return Whether the googleDriveSource field is set.
+     */
+    @java.lang.Override
+    public boolean hasGoogleDriveSource() {
+      return importSourceCase_ == 3;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Drive location. Supports importing individual files as
+     * well as Google Drive folders.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+     *
+     * @return The googleDriveSource.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GoogleDriveSource getGoogleDriveSource() {
+      if (googleDriveSourceBuilder_ == null) {
+        if (importSourceCase_ == 3) {
+          return (com.google.cloud.vertexai.api.GoogleDriveSource) importSource_;
+        }
+        return com.google.cloud.vertexai.api.GoogleDriveSource.getDefaultInstance();
+      } else {
+        if (importSourceCase_ == 3) {
+          return googleDriveSourceBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.GoogleDriveSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Drive location. Supports importing individual files as
+     * well as Google Drive folders.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+     */
+    public Builder setGoogleDriveSource(com.google.cloud.vertexai.api.GoogleDriveSource value) {
+      if (googleDriveSourceBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        importSource_ = value;
+        onChanged();
+      } else {
+        googleDriveSourceBuilder_.setMessage(value);
+      }
+      importSourceCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Drive location. Supports importing individual files as
+     * well as Google Drive folders.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+     */
+    public Builder setGoogleDriveSource(
+        com.google.cloud.vertexai.api.GoogleDriveSource.Builder builderForValue) {
+      if (googleDriveSourceBuilder_ == null) {
+        importSource_ = builderForValue.build();
+        onChanged();
+      } else {
+        googleDriveSourceBuilder_.setMessage(builderForValue.build());
+      }
+      importSourceCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Drive location. Supports importing individual files as
+     * well as Google Drive folders.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+     */
+    public Builder mergeGoogleDriveSource(com.google.cloud.vertexai.api.GoogleDriveSource value) {
+      if (googleDriveSourceBuilder_ == null) {
+        if (importSourceCase_ == 3
+            && importSource_
+                != com.google.cloud.vertexai.api.GoogleDriveSource.getDefaultInstance()) {
+          importSource_ =
+              com.google.cloud.vertexai.api.GoogleDriveSource.newBuilder(
+                      (com.google.cloud.vertexai.api.GoogleDriveSource) importSource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          importSource_ = value;
+        }
+        onChanged();
+      } else {
+        if (importSourceCase_ == 3) {
+          googleDriveSourceBuilder_.mergeFrom(value);
+        } else {
+          googleDriveSourceBuilder_.setMessage(value);
+        }
+      }
+      importSourceCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Drive location. Supports importing individual files as
+     * well as Google Drive folders.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+     */
+    public Builder clearGoogleDriveSource() {
+      if (googleDriveSourceBuilder_ == null) {
+        if (importSourceCase_ == 3) {
+          importSourceCase_ = 0;
+          importSource_ = null;
+          onChanged();
+        }
+      } else {
+        if (importSourceCase_ == 3) {
+          importSourceCase_ = 0;
+          importSource_ = null;
+        }
+        googleDriveSourceBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Drive location. Supports importing individual files as
+     * well as Google Drive folders.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+     */
+    public com.google.cloud.vertexai.api.GoogleDriveSource.Builder getGoogleDriveSourceBuilder() {
+      return internalGetGoogleDriveSourceFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Drive location. Supports importing individual files as
+     * well as Google Drive folders.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GoogleDriveSourceOrBuilder
+        getGoogleDriveSourceOrBuilder() {
+      if ((importSourceCase_ == 3) && (googleDriveSourceBuilder_ != null)) {
+        return googleDriveSourceBuilder_.getMessageOrBuilder();
+      } else {
+        if (importSourceCase_ == 3) {
+          return (com.google.cloud.vertexai.api.GoogleDriveSource) importSource_;
+        }
+        return com.google.cloud.vertexai.api.GoogleDriveSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Google Drive location. Supports importing individual files as
+     * well as Google Drive folders.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GoogleDriveSource,
+            com.google.cloud.vertexai.api.GoogleDriveSource.Builder,
+            com.google.cloud.vertexai.api.GoogleDriveSourceOrBuilder>
+        internalGetGoogleDriveSourceFieldBuilder() {
+      if (googleDriveSourceBuilder_ == null) {
+        if (!(importSourceCase_ == 3)) {
+          importSource_ = com.google.cloud.vertexai.api.GoogleDriveSource.getDefaultInstance();
+        }
+        googleDriveSourceBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.GoogleDriveSource,
+                com.google.cloud.vertexai.api.GoogleDriveSource.Builder,
+                com.google.cloud.vertexai.api.GoogleDriveSourceOrBuilder>(
+                (com.google.cloud.vertexai.api.GoogleDriveSource) importSource_,
+                getParentForChildren(),
+                isClean());
+        importSource_ = null;
+      }
+      importSourceCase_ = 3;
+      onChanged();
+      return googleDriveSourceBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.SlackSource,
+            com.google.cloud.vertexai.api.SlackSource.Builder,
+            com.google.cloud.vertexai.api.SlackSourceOrBuilder>
+        slackSourceBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Slack channels with their corresponding access tokens.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+     *
+     * @return Whether the slackSource field is set.
+     */
+    @java.lang.Override
+    public boolean hasSlackSource() {
+      return importSourceCase_ == 6;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Slack channels with their corresponding access tokens.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+     *
+     * @return The slackSource.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.SlackSource getSlackSource() {
+      if (slackSourceBuilder_ == null) {
+        if (importSourceCase_ == 6) {
+          return (com.google.cloud.vertexai.api.SlackSource) importSource_;
+        }
+        return com.google.cloud.vertexai.api.SlackSource.getDefaultInstance();
+      } else {
+        if (importSourceCase_ == 6) {
+          return slackSourceBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.SlackSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Slack channels with their corresponding access tokens.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+     */
+    public Builder setSlackSource(com.google.cloud.vertexai.api.SlackSource value) {
+      if (slackSourceBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        importSource_ = value;
+        onChanged();
+      } else {
+        slackSourceBuilder_.setMessage(value);
+      }
+      importSourceCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Slack channels with their corresponding access tokens.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+     */
+    public Builder setSlackSource(
+        com.google.cloud.vertexai.api.SlackSource.Builder builderForValue) {
+      if (slackSourceBuilder_ == null) {
+        importSource_ = builderForValue.build();
+        onChanged();
+      } else {
+        slackSourceBuilder_.setMessage(builderForValue.build());
+      }
+      importSourceCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Slack channels with their corresponding access tokens.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+     */
+    public Builder mergeSlackSource(com.google.cloud.vertexai.api.SlackSource value) {
+      if (slackSourceBuilder_ == null) {
+        if (importSourceCase_ == 6
+            && importSource_ != com.google.cloud.vertexai.api.SlackSource.getDefaultInstance()) {
+          importSource_ =
+              com.google.cloud.vertexai.api.SlackSource.newBuilder(
+                      (com.google.cloud.vertexai.api.SlackSource) importSource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          importSource_ = value;
+        }
+        onChanged();
+      } else {
+        if (importSourceCase_ == 6) {
+          slackSourceBuilder_.mergeFrom(value);
+        } else {
+          slackSourceBuilder_.setMessage(value);
+        }
+      }
+      importSourceCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Slack channels with their corresponding access tokens.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+     */
+    public Builder clearSlackSource() {
+      if (slackSourceBuilder_ == null) {
+        if (importSourceCase_ == 6) {
+          importSourceCase_ = 0;
+          importSource_ = null;
+          onChanged();
+        }
+      } else {
+        if (importSourceCase_ == 6) {
+          importSourceCase_ = 0;
+          importSource_ = null;
+        }
+        slackSourceBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Slack channels with their corresponding access tokens.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+     */
+    public com.google.cloud.vertexai.api.SlackSource.Builder getSlackSourceBuilder() {
+      return internalGetSlackSourceFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Slack channels with their corresponding access tokens.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.SlackSourceOrBuilder getSlackSourceOrBuilder() {
+      if ((importSourceCase_ == 6) && (slackSourceBuilder_ != null)) {
+        return slackSourceBuilder_.getMessageOrBuilder();
+      } else {
+        if (importSourceCase_ == 6) {
+          return (com.google.cloud.vertexai.api.SlackSource) importSource_;
+        }
+        return com.google.cloud.vertexai.api.SlackSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Slack channels with their corresponding access tokens.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.SlackSource,
+            com.google.cloud.vertexai.api.SlackSource.Builder,
+            com.google.cloud.vertexai.api.SlackSourceOrBuilder>
+        internalGetSlackSourceFieldBuilder() {
+      if (slackSourceBuilder_ == null) {
+        if (!(importSourceCase_ == 6)) {
+          importSource_ = com.google.cloud.vertexai.api.SlackSource.getDefaultInstance();
+        }
+        slackSourceBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.SlackSource,
+                com.google.cloud.vertexai.api.SlackSource.Builder,
+                com.google.cloud.vertexai.api.SlackSourceOrBuilder>(
+                (com.google.cloud.vertexai.api.SlackSource) importSource_,
+                getParentForChildren(),
+                isClean());
+        importSource_ = null;
+      }
+      importSourceCase_ = 6;
+      onChanged();
+      return slackSourceBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.JiraSource,
+            com.google.cloud.vertexai.api.JiraSource.Builder,
+            com.google.cloud.vertexai.api.JiraSourceOrBuilder>
+        jiraSourceBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Jira queries with their corresponding authentication.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+     *
+     * @return Whether the jiraSource field is set.
+     */
+    @java.lang.Override
+    public boolean hasJiraSource() {
+      return importSourceCase_ == 7;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Jira queries with their corresponding authentication.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+     *
+     * @return The jiraSource.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.JiraSource getJiraSource() {
+      if (jiraSourceBuilder_ == null) {
+        if (importSourceCase_ == 7) {
+          return (com.google.cloud.vertexai.api.JiraSource) importSource_;
+        }
+        return com.google.cloud.vertexai.api.JiraSource.getDefaultInstance();
+      } else {
+        if (importSourceCase_ == 7) {
+          return jiraSourceBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.JiraSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Jira queries with their corresponding authentication.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+     */
+    public Builder setJiraSource(com.google.cloud.vertexai.api.JiraSource value) {
+      if (jiraSourceBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        importSource_ = value;
+        onChanged();
+      } else {
+        jiraSourceBuilder_.setMessage(value);
+      }
+      importSourceCase_ = 7;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Jira queries with their corresponding authentication.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+     */
+    public Builder setJiraSource(com.google.cloud.vertexai.api.JiraSource.Builder builderForValue) {
+      if (jiraSourceBuilder_ == null) {
+        importSource_ = builderForValue.build();
+        onChanged();
+      } else {
+        jiraSourceBuilder_.setMessage(builderForValue.build());
+      }
+      importSourceCase_ = 7;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Jira queries with their corresponding authentication.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+     */
+    public Builder mergeJiraSource(com.google.cloud.vertexai.api.JiraSource value) {
+      if (jiraSourceBuilder_ == null) {
+        if (importSourceCase_ == 7
+            && importSource_ != com.google.cloud.vertexai.api.JiraSource.getDefaultInstance()) {
+          importSource_ =
+              com.google.cloud.vertexai.api.JiraSource.newBuilder(
+                      (com.google.cloud.vertexai.api.JiraSource) importSource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          importSource_ = value;
+        }
+        onChanged();
+      } else {
+        if (importSourceCase_ == 7) {
+          jiraSourceBuilder_.mergeFrom(value);
+        } else {
+          jiraSourceBuilder_.setMessage(value);
+        }
+      }
+      importSourceCase_ = 7;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Jira queries with their corresponding authentication.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+     */
+    public Builder clearJiraSource() {
+      if (jiraSourceBuilder_ == null) {
+        if (importSourceCase_ == 7) {
+          importSourceCase_ = 0;
+          importSource_ = null;
+          onChanged();
+        }
+      } else {
+        if (importSourceCase_ == 7) {
+          importSourceCase_ = 0;
+          importSource_ = null;
+        }
+        jiraSourceBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Jira queries with their corresponding authentication.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+     */
+    public com.google.cloud.vertexai.api.JiraSource.Builder getJiraSourceBuilder() {
+      return internalGetJiraSourceFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Jira queries with their corresponding authentication.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.JiraSourceOrBuilder getJiraSourceOrBuilder() {
+      if ((importSourceCase_ == 7) && (jiraSourceBuilder_ != null)) {
+        return jiraSourceBuilder_.getMessageOrBuilder();
+      } else {
+        if (importSourceCase_ == 7) {
+          return (com.google.cloud.vertexai.api.JiraSource) importSource_;
+        }
+        return com.google.cloud.vertexai.api.JiraSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Jira queries with their corresponding authentication.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.JiraSource,
+            com.google.cloud.vertexai.api.JiraSource.Builder,
+            com.google.cloud.vertexai.api.JiraSourceOrBuilder>
+        internalGetJiraSourceFieldBuilder() {
+      if (jiraSourceBuilder_ == null) {
+        if (!(importSourceCase_ == 7)) {
+          importSource_ = com.google.cloud.vertexai.api.JiraSource.getDefaultInstance();
+        }
+        jiraSourceBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.JiraSource,
+                com.google.cloud.vertexai.api.JiraSource.Builder,
+                com.google.cloud.vertexai.api.JiraSourceOrBuilder>(
+                (com.google.cloud.vertexai.api.JiraSource) importSource_,
+                getParentForChildren(),
+                isClean());
+        importSource_ = null;
+      }
+      importSourceCase_ = 7;
+      onChanged();
+      return jiraSourceBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.SharePointSources,
+            com.google.cloud.vertexai.api.SharePointSources.Builder,
+            com.google.cloud.vertexai.api.SharePointSourcesOrBuilder>
+        sharePointSourcesBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * SharePoint sources.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+     *
+     * @return Whether the sharePointSources field is set.
+     */
+    @java.lang.Override
+    public boolean hasSharePointSources() {
+      return importSourceCase_ == 13;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * SharePoint sources.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+     *
+     * @return The sharePointSources.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.SharePointSources getSharePointSources() {
+      if (sharePointSourcesBuilder_ == null) {
+        if (importSourceCase_ == 13) {
+          return (com.google.cloud.vertexai.api.SharePointSources) importSource_;
+        }
+        return com.google.cloud.vertexai.api.SharePointSources.getDefaultInstance();
+      } else {
+        if (importSourceCase_ == 13) {
+          return sharePointSourcesBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.SharePointSources.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * SharePoint sources.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+     */
+    public Builder setSharePointSources(com.google.cloud.vertexai.api.SharePointSources value) {
+      if (sharePointSourcesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        importSource_ = value;
+        onChanged();
+      } else {
+        sharePointSourcesBuilder_.setMessage(value);
+      }
+      importSourceCase_ = 13;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * SharePoint sources.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+     */
+    public Builder setSharePointSources(
+        com.google.cloud.vertexai.api.SharePointSources.Builder builderForValue) {
+      if (sharePointSourcesBuilder_ == null) {
+        importSource_ = builderForValue.build();
+        onChanged();
+      } else {
+        sharePointSourcesBuilder_.setMessage(builderForValue.build());
+      }
+      importSourceCase_ = 13;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * SharePoint sources.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+     */
+    public Builder mergeSharePointSources(com.google.cloud.vertexai.api.SharePointSources value) {
+      if (sharePointSourcesBuilder_ == null) {
+        if (importSourceCase_ == 13
+            && importSource_
+                != com.google.cloud.vertexai.api.SharePointSources.getDefaultInstance()) {
+          importSource_ =
+              com.google.cloud.vertexai.api.SharePointSources.newBuilder(
+                      (com.google.cloud.vertexai.api.SharePointSources) importSource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          importSource_ = value;
+        }
+        onChanged();
+      } else {
+        if (importSourceCase_ == 13) {
+          sharePointSourcesBuilder_.mergeFrom(value);
+        } else {
+          sharePointSourcesBuilder_.setMessage(value);
+        }
+      }
+      importSourceCase_ = 13;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * SharePoint sources.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+     */
+    public Builder clearSharePointSources() {
+      if (sharePointSourcesBuilder_ == null) {
+        if (importSourceCase_ == 13) {
+          importSourceCase_ = 0;
+          importSource_ = null;
+          onChanged();
+        }
+      } else {
+        if (importSourceCase_ == 13) {
+          importSourceCase_ = 0;
+          importSource_ = null;
+        }
+        sharePointSourcesBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * SharePoint sources.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+     */
+    public com.google.cloud.vertexai.api.SharePointSources.Builder getSharePointSourcesBuilder() {
+      return internalGetSharePointSourcesFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * SharePoint sources.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.SharePointSourcesOrBuilder
+        getSharePointSourcesOrBuilder() {
+      if ((importSourceCase_ == 13) && (sharePointSourcesBuilder_ != null)) {
+        return sharePointSourcesBuilder_.getMessageOrBuilder();
+      } else {
+        if (importSourceCase_ == 13) {
+          return (com.google.cloud.vertexai.api.SharePointSources) importSource_;
+        }
+        return com.google.cloud.vertexai.api.SharePointSources.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * SharePoint sources.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.SharePointSources,
+            com.google.cloud.vertexai.api.SharePointSources.Builder,
+            com.google.cloud.vertexai.api.SharePointSourcesOrBuilder>
+        internalGetSharePointSourcesFieldBuilder() {
+      if (sharePointSourcesBuilder_ == null) {
+        if (!(importSourceCase_ == 13)) {
+          importSource_ = com.google.cloud.vertexai.api.SharePointSources.getDefaultInstance();
+        }
+        sharePointSourcesBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.SharePointSources,
+                com.google.cloud.vertexai.api.SharePointSources.Builder,
+                com.google.cloud.vertexai.api.SharePointSourcesOrBuilder>(
+                (com.google.cloud.vertexai.api.SharePointSources) importSource_,
+                getParentForChildren(),
+                isClean());
+        importSource_ = null;
+      }
+      importSourceCase_ = 13;
+      onChanged();
+      return sharePointSourcesBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GcsDestination,
+            com.google.cloud.vertexai.api.GcsDestination.Builder,
+            com.google.cloud.vertexai.api.GcsDestinationOrBuilder>
+        partialFailureGcsSinkBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write partial failures to.
+     * Deprecated. Prefer to use `import_result_gcs_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+     * </code>
+     *
+     * @deprecated google.cloud.vertexai.v1.ImportRagFilesConfig.partial_failure_gcs_sink is
+     *     deprecated. See google/cloud/vertexai/v1/vertex_rag_data.proto;l=463
+     * @return Whether the partialFailureGcsSink field is set.
+     */
+    @java.lang.Override
+    @java.lang.Deprecated
+    public boolean hasPartialFailureGcsSink() {
+      return partialFailureSinkCase_ == 11;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write partial failures to.
+     * Deprecated. Prefer to use `import_result_gcs_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+     * </code>
+     *
+     * @deprecated google.cloud.vertexai.v1.ImportRagFilesConfig.partial_failure_gcs_sink is
+     *     deprecated. See google/cloud/vertexai/v1/vertex_rag_data.proto;l=463
+     * @return The partialFailureGcsSink.
+     */
+    @java.lang.Override
+    @java.lang.Deprecated
+    public com.google.cloud.vertexai.api.GcsDestination getPartialFailureGcsSink() {
+      if (partialFailureGcsSinkBuilder_ == null) {
+        if (partialFailureSinkCase_ == 11) {
+          return (com.google.cloud.vertexai.api.GcsDestination) partialFailureSink_;
+        }
+        return com.google.cloud.vertexai.api.GcsDestination.getDefaultInstance();
+      } else {
+        if (partialFailureSinkCase_ == 11) {
+          return partialFailureGcsSinkBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.GcsDestination.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write partial failures to.
+     * Deprecated. Prefer to use `import_result_gcs_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+     * </code>
+     */
+    @java.lang.Deprecated
+    public Builder setPartialFailureGcsSink(com.google.cloud.vertexai.api.GcsDestination value) {
+      if (partialFailureGcsSinkBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        partialFailureSink_ = value;
+        onChanged();
+      } else {
+        partialFailureGcsSinkBuilder_.setMessage(value);
+      }
+      partialFailureSinkCase_ = 11;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write partial failures to.
+     * Deprecated. Prefer to use `import_result_gcs_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+     * </code>
+     */
+    @java.lang.Deprecated
+    public Builder setPartialFailureGcsSink(
+        com.google.cloud.vertexai.api.GcsDestination.Builder builderForValue) {
+      if (partialFailureGcsSinkBuilder_ == null) {
+        partialFailureSink_ = builderForValue.build();
+        onChanged();
+      } else {
+        partialFailureGcsSinkBuilder_.setMessage(builderForValue.build());
+      }
+      partialFailureSinkCase_ = 11;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write partial failures to.
+     * Deprecated. Prefer to use `import_result_gcs_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+     * </code>
+     */
+    @java.lang.Deprecated
+    public Builder mergePartialFailureGcsSink(com.google.cloud.vertexai.api.GcsDestination value) {
+      if (partialFailureGcsSinkBuilder_ == null) {
+        if (partialFailureSinkCase_ == 11
+            && partialFailureSink_
+                != com.google.cloud.vertexai.api.GcsDestination.getDefaultInstance()) {
+          partialFailureSink_ =
+              com.google.cloud.vertexai.api.GcsDestination.newBuilder(
+                      (com.google.cloud.vertexai.api.GcsDestination) partialFailureSink_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          partialFailureSink_ = value;
+        }
+        onChanged();
+      } else {
+        if (partialFailureSinkCase_ == 11) {
+          partialFailureGcsSinkBuilder_.mergeFrom(value);
+        } else {
+          partialFailureGcsSinkBuilder_.setMessage(value);
+        }
+      }
+      partialFailureSinkCase_ = 11;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write partial failures to.
+     * Deprecated. Prefer to use `import_result_gcs_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+     * </code>
+     */
+    @java.lang.Deprecated
+    public Builder clearPartialFailureGcsSink() {
+      if (partialFailureGcsSinkBuilder_ == null) {
+        if (partialFailureSinkCase_ == 11) {
+          partialFailureSinkCase_ = 0;
+          partialFailureSink_ = null;
+          onChanged();
+        }
+      } else {
+        if (partialFailureSinkCase_ == 11) {
+          partialFailureSinkCase_ = 0;
+          partialFailureSink_ = null;
+        }
+        partialFailureGcsSinkBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write partial failures to.
+     * Deprecated. Prefer to use `import_result_gcs_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+     * </code>
+     */
+    @java.lang.Deprecated
+    public com.google.cloud.vertexai.api.GcsDestination.Builder getPartialFailureGcsSinkBuilder() {
+      return internalGetPartialFailureGcsSinkFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write partial failures to.
+     * Deprecated. Prefer to use `import_result_gcs_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+     * </code>
+     */
+    @java.lang.Override
+    @java.lang.Deprecated
+    public com.google.cloud.vertexai.api.GcsDestinationOrBuilder
+        getPartialFailureGcsSinkOrBuilder() {
+      if ((partialFailureSinkCase_ == 11) && (partialFailureGcsSinkBuilder_ != null)) {
+        return partialFailureGcsSinkBuilder_.getMessageOrBuilder();
+      } else {
+        if (partialFailureSinkCase_ == 11) {
+          return (com.google.cloud.vertexai.api.GcsDestination) partialFailureSink_;
+        }
+        return com.google.cloud.vertexai.api.GcsDestination.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write partial failures to.
+     * Deprecated. Prefer to use `import_result_gcs_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GcsDestination,
+            com.google.cloud.vertexai.api.GcsDestination.Builder,
+            com.google.cloud.vertexai.api.GcsDestinationOrBuilder>
+        internalGetPartialFailureGcsSinkFieldBuilder() {
+      if (partialFailureGcsSinkBuilder_ == null) {
+        if (!(partialFailureSinkCase_ == 11)) {
+          partialFailureSink_ = com.google.cloud.vertexai.api.GcsDestination.getDefaultInstance();
+        }
+        partialFailureGcsSinkBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.GcsDestination,
+                com.google.cloud.vertexai.api.GcsDestination.Builder,
+                com.google.cloud.vertexai.api.GcsDestinationOrBuilder>(
+                (com.google.cloud.vertexai.api.GcsDestination) partialFailureSink_,
+                getParentForChildren(),
+                isClean());
+        partialFailureSink_ = null;
+      }
+      partialFailureSinkCase_ = 11;
+      onChanged();
+      return partialFailureGcsSinkBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.BigQueryDestination,
+            com.google.cloud.vertexai.api.BigQueryDestination.Builder,
+            com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder>
+        partialFailureBigquerySinkBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write partial failures to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * Deprecated. Prefer to use `import_result_bq_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+     * </code>
+     *
+     * @deprecated google.cloud.vertexai.v1.ImportRagFilesConfig.partial_failure_bigquery_sink is
+     *     deprecated. See google/cloud/vertexai/v1/vertex_rag_data.proto;l=472
+     * @return Whether the partialFailureBigquerySink field is set.
+     */
+    @java.lang.Override
+    @java.lang.Deprecated
+    public boolean hasPartialFailureBigquerySink() {
+      return partialFailureSinkCase_ == 12;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write partial failures to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * Deprecated. Prefer to use `import_result_bq_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+     * </code>
+     *
+     * @deprecated google.cloud.vertexai.v1.ImportRagFilesConfig.partial_failure_bigquery_sink is
+     *     deprecated. See google/cloud/vertexai/v1/vertex_rag_data.proto;l=472
+     * @return The partialFailureBigquerySink.
+     */
+    @java.lang.Override
+    @java.lang.Deprecated
+    public com.google.cloud.vertexai.api.BigQueryDestination getPartialFailureBigquerySink() {
+      if (partialFailureBigquerySinkBuilder_ == null) {
+        if (partialFailureSinkCase_ == 12) {
+          return (com.google.cloud.vertexai.api.BigQueryDestination) partialFailureSink_;
+        }
+        return com.google.cloud.vertexai.api.BigQueryDestination.getDefaultInstance();
+      } else {
+        if (partialFailureSinkCase_ == 12) {
+          return partialFailureBigquerySinkBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.BigQueryDestination.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write partial failures to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * Deprecated. Prefer to use `import_result_bq_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+     * </code>
+     */
+    @java.lang.Deprecated
+    public Builder setPartialFailureBigquerySink(
+        com.google.cloud.vertexai.api.BigQueryDestination value) {
+      if (partialFailureBigquerySinkBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        partialFailureSink_ = value;
+        onChanged();
+      } else {
+        partialFailureBigquerySinkBuilder_.setMessage(value);
+      }
+      partialFailureSinkCase_ = 12;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write partial failures to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * Deprecated. Prefer to use `import_result_bq_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+     * </code>
+     */
+    @java.lang.Deprecated
+    public Builder setPartialFailureBigquerySink(
+        com.google.cloud.vertexai.api.BigQueryDestination.Builder builderForValue) {
+      if (partialFailureBigquerySinkBuilder_ == null) {
+        partialFailureSink_ = builderForValue.build();
+        onChanged();
+      } else {
+        partialFailureBigquerySinkBuilder_.setMessage(builderForValue.build());
+      }
+      partialFailureSinkCase_ = 12;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write partial failures to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * Deprecated. Prefer to use `import_result_bq_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+     * </code>
+     */
+    @java.lang.Deprecated
+    public Builder mergePartialFailureBigquerySink(
+        com.google.cloud.vertexai.api.BigQueryDestination value) {
+      if (partialFailureBigquerySinkBuilder_ == null) {
+        if (partialFailureSinkCase_ == 12
+            && partialFailureSink_
+                != com.google.cloud.vertexai.api.BigQueryDestination.getDefaultInstance()) {
+          partialFailureSink_ =
+              com.google.cloud.vertexai.api.BigQueryDestination.newBuilder(
+                      (com.google.cloud.vertexai.api.BigQueryDestination) partialFailureSink_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          partialFailureSink_ = value;
+        }
+        onChanged();
+      } else {
+        if (partialFailureSinkCase_ == 12) {
+          partialFailureBigquerySinkBuilder_.mergeFrom(value);
+        } else {
+          partialFailureBigquerySinkBuilder_.setMessage(value);
+        }
+      }
+      partialFailureSinkCase_ = 12;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write partial failures to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * Deprecated. Prefer to use `import_result_bq_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+     * </code>
+     */
+    @java.lang.Deprecated
+    public Builder clearPartialFailureBigquerySink() {
+      if (partialFailureBigquerySinkBuilder_ == null) {
+        if (partialFailureSinkCase_ == 12) {
+          partialFailureSinkCase_ = 0;
+          partialFailureSink_ = null;
+          onChanged();
+        }
+      } else {
+        if (partialFailureSinkCase_ == 12) {
+          partialFailureSinkCase_ = 0;
+          partialFailureSink_ = null;
+        }
+        partialFailureBigquerySinkBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write partial failures to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * Deprecated. Prefer to use `import_result_bq_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+     * </code>
+     */
+    @java.lang.Deprecated
+    public com.google.cloud.vertexai.api.BigQueryDestination.Builder
+        getPartialFailureBigquerySinkBuilder() {
+      return internalGetPartialFailureBigquerySinkFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write partial failures to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * Deprecated. Prefer to use `import_result_bq_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+     * </code>
+     */
+    @java.lang.Override
+    @java.lang.Deprecated
+    public com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder
+        getPartialFailureBigquerySinkOrBuilder() {
+      if ((partialFailureSinkCase_ == 12) && (partialFailureBigquerySinkBuilder_ != null)) {
+        return partialFailureBigquerySinkBuilder_.getMessageOrBuilder();
+      } else {
+        if (partialFailureSinkCase_ == 12) {
+          return (com.google.cloud.vertexai.api.BigQueryDestination) partialFailureSink_;
+        }
+        return com.google.cloud.vertexai.api.BigQueryDestination.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write partial failures to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * Deprecated. Prefer to use `import_result_bq_sink`.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.BigQueryDestination,
+            com.google.cloud.vertexai.api.BigQueryDestination.Builder,
+            com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder>
+        internalGetPartialFailureBigquerySinkFieldBuilder() {
+      if (partialFailureBigquerySinkBuilder_ == null) {
+        if (!(partialFailureSinkCase_ == 12)) {
+          partialFailureSink_ =
+              com.google.cloud.vertexai.api.BigQueryDestination.getDefaultInstance();
+        }
+        partialFailureBigquerySinkBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.BigQueryDestination,
+                com.google.cloud.vertexai.api.BigQueryDestination.Builder,
+                com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder>(
+                (com.google.cloud.vertexai.api.BigQueryDestination) partialFailureSink_,
+                getParentForChildren(),
+                isClean());
+        partialFailureSink_ = null;
+      }
+      partialFailureSinkCase_ = 12;
+      onChanged();
+      return partialFailureBigquerySinkBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GcsDestination,
+            com.google.cloud.vertexai.api.GcsDestination.Builder,
+            com.google.cloud.vertexai.api.GcsDestinationOrBuilder>
+        importResultGcsSinkBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write import result to.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+     *
+     * @return Whether the importResultGcsSink field is set.
+     */
+    @java.lang.Override
+    public boolean hasImportResultGcsSink() {
+      return importResultSinkCase_ == 14;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write import result to.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+     *
+     * @return The importResultGcsSink.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GcsDestination getImportResultGcsSink() {
+      if (importResultGcsSinkBuilder_ == null) {
+        if (importResultSinkCase_ == 14) {
+          return (com.google.cloud.vertexai.api.GcsDestination) importResultSink_;
+        }
+        return com.google.cloud.vertexai.api.GcsDestination.getDefaultInstance();
+      } else {
+        if (importResultSinkCase_ == 14) {
+          return importResultGcsSinkBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.GcsDestination.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write import result to.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+     */
+    public Builder setImportResultGcsSink(com.google.cloud.vertexai.api.GcsDestination value) {
+      if (importResultGcsSinkBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        importResultSink_ = value;
+        onChanged();
+      } else {
+        importResultGcsSinkBuilder_.setMessage(value);
+      }
+      importResultSinkCase_ = 14;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write import result to.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+     */
+    public Builder setImportResultGcsSink(
+        com.google.cloud.vertexai.api.GcsDestination.Builder builderForValue) {
+      if (importResultGcsSinkBuilder_ == null) {
+        importResultSink_ = builderForValue.build();
+        onChanged();
+      } else {
+        importResultGcsSinkBuilder_.setMessage(builderForValue.build());
+      }
+      importResultSinkCase_ = 14;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write import result to.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+     */
+    public Builder mergeImportResultGcsSink(com.google.cloud.vertexai.api.GcsDestination value) {
+      if (importResultGcsSinkBuilder_ == null) {
+        if (importResultSinkCase_ == 14
+            && importResultSink_
+                != com.google.cloud.vertexai.api.GcsDestination.getDefaultInstance()) {
+          importResultSink_ =
+              com.google.cloud.vertexai.api.GcsDestination.newBuilder(
+                      (com.google.cloud.vertexai.api.GcsDestination) importResultSink_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          importResultSink_ = value;
+        }
+        onChanged();
+      } else {
+        if (importResultSinkCase_ == 14) {
+          importResultGcsSinkBuilder_.mergeFrom(value);
+        } else {
+          importResultGcsSinkBuilder_.setMessage(value);
+        }
+      }
+      importResultSinkCase_ = 14;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write import result to.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+     */
+    public Builder clearImportResultGcsSink() {
+      if (importResultGcsSinkBuilder_ == null) {
+        if (importResultSinkCase_ == 14) {
+          importResultSinkCase_ = 0;
+          importResultSink_ = null;
+          onChanged();
+        }
+      } else {
+        if (importResultSinkCase_ == 14) {
+          importResultSinkCase_ = 0;
+          importResultSink_ = null;
+        }
+        importResultGcsSinkBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write import result to.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+     */
+    public com.google.cloud.vertexai.api.GcsDestination.Builder getImportResultGcsSinkBuilder() {
+      return internalGetImportResultGcsSinkFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write import result to.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GcsDestinationOrBuilder getImportResultGcsSinkOrBuilder() {
+      if ((importResultSinkCase_ == 14) && (importResultGcsSinkBuilder_ != null)) {
+        return importResultGcsSinkBuilder_.getMessageOrBuilder();
+      } else {
+        if (importResultSinkCase_ == 14) {
+          return (com.google.cloud.vertexai.api.GcsDestination) importResultSink_;
+        }
+        return com.google.cloud.vertexai.api.GcsDestination.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Cloud Storage path to write import result to.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GcsDestination,
+            com.google.cloud.vertexai.api.GcsDestination.Builder,
+            com.google.cloud.vertexai.api.GcsDestinationOrBuilder>
+        internalGetImportResultGcsSinkFieldBuilder() {
+      if (importResultGcsSinkBuilder_ == null) {
+        if (!(importResultSinkCase_ == 14)) {
+          importResultSink_ = com.google.cloud.vertexai.api.GcsDestination.getDefaultInstance();
+        }
+        importResultGcsSinkBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.GcsDestination,
+                com.google.cloud.vertexai.api.GcsDestination.Builder,
+                com.google.cloud.vertexai.api.GcsDestinationOrBuilder>(
+                (com.google.cloud.vertexai.api.GcsDestination) importResultSink_,
+                getParentForChildren(),
+                isClean());
+        importResultSink_ = null;
+      }
+      importResultSinkCase_ = 14;
+      onChanged();
+      return importResultGcsSinkBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.BigQueryDestination,
+            com.google.cloud.vertexai.api.BigQueryDestination.Builder,
+            com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder>
+        importResultBigquerySinkBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write import result to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+     *
+     * @return Whether the importResultBigquerySink field is set.
+     */
+    @java.lang.Override
+    public boolean hasImportResultBigquerySink() {
+      return importResultSinkCase_ == 15;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write import result to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+     *
+     * @return The importResultBigquerySink.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.BigQueryDestination getImportResultBigquerySink() {
+      if (importResultBigquerySinkBuilder_ == null) {
+        if (importResultSinkCase_ == 15) {
+          return (com.google.cloud.vertexai.api.BigQueryDestination) importResultSink_;
+        }
+        return com.google.cloud.vertexai.api.BigQueryDestination.getDefaultInstance();
+      } else {
+        if (importResultSinkCase_ == 15) {
+          return importResultBigquerySinkBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.BigQueryDestination.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write import result to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+     */
+    public Builder setImportResultBigquerySink(
+        com.google.cloud.vertexai.api.BigQueryDestination value) {
+      if (importResultBigquerySinkBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        importResultSink_ = value;
+        onChanged();
+      } else {
+        importResultBigquerySinkBuilder_.setMessage(value);
+      }
+      importResultSinkCase_ = 15;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write import result to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+     */
+    public Builder setImportResultBigquerySink(
+        com.google.cloud.vertexai.api.BigQueryDestination.Builder builderForValue) {
+      if (importResultBigquerySinkBuilder_ == null) {
+        importResultSink_ = builderForValue.build();
+        onChanged();
+      } else {
+        importResultBigquerySinkBuilder_.setMessage(builderForValue.build());
+      }
+      importResultSinkCase_ = 15;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write import result to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+     */
+    public Builder mergeImportResultBigquerySink(
+        com.google.cloud.vertexai.api.BigQueryDestination value) {
+      if (importResultBigquerySinkBuilder_ == null) {
+        if (importResultSinkCase_ == 15
+            && importResultSink_
+                != com.google.cloud.vertexai.api.BigQueryDestination.getDefaultInstance()) {
+          importResultSink_ =
+              com.google.cloud.vertexai.api.BigQueryDestination.newBuilder(
+                      (com.google.cloud.vertexai.api.BigQueryDestination) importResultSink_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          importResultSink_ = value;
+        }
+        onChanged();
+      } else {
+        if (importResultSinkCase_ == 15) {
+          importResultBigquerySinkBuilder_.mergeFrom(value);
+        } else {
+          importResultBigquerySinkBuilder_.setMessage(value);
+        }
+      }
+      importResultSinkCase_ = 15;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write import result to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+     */
+    public Builder clearImportResultBigquerySink() {
+      if (importResultBigquerySinkBuilder_ == null) {
+        if (importResultSinkCase_ == 15) {
+          importResultSinkCase_ = 0;
+          importResultSink_ = null;
+          onChanged();
+        }
+      } else {
+        if (importResultSinkCase_ == 15) {
+          importResultSinkCase_ = 0;
+          importResultSink_ = null;
+        }
+        importResultBigquerySinkBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write import result to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+     */
+    public com.google.cloud.vertexai.api.BigQueryDestination.Builder
+        getImportResultBigquerySinkBuilder() {
+      return internalGetImportResultBigquerySinkFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write import result to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder
+        getImportResultBigquerySinkOrBuilder() {
+      if ((importResultSinkCase_ == 15) && (importResultBigquerySinkBuilder_ != null)) {
+        return importResultBigquerySinkBuilder_.getMessageOrBuilder();
+      } else {
+        if (importResultSinkCase_ == 15) {
+          return (com.google.cloud.vertexai.api.BigQueryDestination) importResultSink_;
+        }
+        return com.google.cloud.vertexai.api.BigQueryDestination.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The BigQuery destination to write import result to. It should be a
+     * bigquery table resource name (e.g.
+     * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+     * table does not exist, it will be created with the expected schema. If the
+     * table exists, the schema will be validated and data will be added to this
+     * existing table.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.BigQueryDestination,
+            com.google.cloud.vertexai.api.BigQueryDestination.Builder,
+            com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder>
+        internalGetImportResultBigquerySinkFieldBuilder() {
+      if (importResultBigquerySinkBuilder_ == null) {
+        if (!(importResultSinkCase_ == 15)) {
+          importResultSink_ =
+              com.google.cloud.vertexai.api.BigQueryDestination.getDefaultInstance();
+        }
+        importResultBigquerySinkBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.BigQueryDestination,
+                com.google.cloud.vertexai.api.BigQueryDestination.Builder,
+                com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder>(
+                (com.google.cloud.vertexai.api.BigQueryDestination) importResultSink_,
+                getParentForChildren(),
+                isClean());
+        importResultSink_ = null;
+      }
+      importResultSinkCase_ = 15;
+      onChanged();
+      return importResultBigquerySinkBuilder_;
+    }
+
+    private com.google.cloud.vertexai.api.RagFileTransformationConfig ragFileTransformationConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagFileTransformationConfig,
+            com.google.cloud.vertexai.api.RagFileTransformationConfig.Builder,
+            com.google.cloud.vertexai.api.RagFileTransformationConfigOrBuilder>
+        ragFileTransformationConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+     * </code>
+     *
+     * @return Whether the ragFileTransformationConfig field is set.
+     */
+    public boolean hasRagFileTransformationConfig() {
+      return ((bitField0_ & 0x00000200) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+     * </code>
+     *
+     * @return The ragFileTransformationConfig.
+     */
+    public com.google.cloud.vertexai.api.RagFileTransformationConfig
+        getRagFileTransformationConfig() {
+      if (ragFileTransformationConfigBuilder_ == null) {
+        return ragFileTransformationConfig_ == null
+            ? com.google.cloud.vertexai.api.RagFileTransformationConfig.getDefaultInstance()
+            : ragFileTransformationConfig_;
+      } else {
+        return ragFileTransformationConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+     * </code>
+     */
+    public Builder setRagFileTransformationConfig(
+        com.google.cloud.vertexai.api.RagFileTransformationConfig value) {
+      if (ragFileTransformationConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ragFileTransformationConfig_ = value;
+      } else {
+        ragFileTransformationConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000200;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+     * </code>
+     */
+    public Builder setRagFileTransformationConfig(
+        com.google.cloud.vertexai.api.RagFileTransformationConfig.Builder builderForValue) {
+      if (ragFileTransformationConfigBuilder_ == null) {
+        ragFileTransformationConfig_ = builderForValue.build();
+      } else {
+        ragFileTransformationConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000200;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+     * </code>
+     */
+    public Builder mergeRagFileTransformationConfig(
+        com.google.cloud.vertexai.api.RagFileTransformationConfig value) {
+      if (ragFileTransformationConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000200) != 0)
+            && ragFileTransformationConfig_ != null
+            && ragFileTransformationConfig_
+                != com.google.cloud.vertexai.api.RagFileTransformationConfig.getDefaultInstance()) {
+          getRagFileTransformationConfigBuilder().mergeFrom(value);
+        } else {
+          ragFileTransformationConfig_ = value;
+        }
+      } else {
+        ragFileTransformationConfigBuilder_.mergeFrom(value);
+      }
+      if (ragFileTransformationConfig_ != null) {
+        bitField0_ |= 0x00000200;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+     * </code>
+     */
+    public Builder clearRagFileTransformationConfig() {
+      bitField0_ = (bitField0_ & ~0x00000200);
+      ragFileTransformationConfig_ = null;
+      if (ragFileTransformationConfigBuilder_ != null) {
+        ragFileTransformationConfigBuilder_.dispose();
+        ragFileTransformationConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.RagFileTransformationConfig.Builder
+        getRagFileTransformationConfigBuilder() {
+      bitField0_ |= 0x00000200;
+      onChanged();
+      return internalGetRagFileTransformationConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.RagFileTransformationConfigOrBuilder
+        getRagFileTransformationConfigOrBuilder() {
+      if (ragFileTransformationConfigBuilder_ != null) {
+        return ragFileTransformationConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return ragFileTransformationConfig_ == null
+            ? com.google.cloud.vertexai.api.RagFileTransformationConfig.getDefaultInstance()
+            : ragFileTransformationConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagFileTransformationConfig,
+            com.google.cloud.vertexai.api.RagFileTransformationConfig.Builder,
+            com.google.cloud.vertexai.api.RagFileTransformationConfigOrBuilder>
+        internalGetRagFileTransformationConfigFieldBuilder() {
+      if (ragFileTransformationConfigBuilder_ == null) {
+        ragFileTransformationConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagFileTransformationConfig,
+                com.google.cloud.vertexai.api.RagFileTransformationConfig.Builder,
+                com.google.cloud.vertexai.api.RagFileTransformationConfigOrBuilder>(
+                getRagFileTransformationConfig(), getParentForChildren(), isClean());
+        ragFileTransformationConfig_ = null;
+      }
+      return ragFileTransformationConfigBuilder_;
+    }
+
+    private com.google.cloud.vertexai.api.RagFileParsingConfig ragFileParsingConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagFileParsingConfig,
+            com.google.cloud.vertexai.api.RagFileParsingConfig.Builder,
+            com.google.cloud.vertexai.api.RagFileParsingConfigOrBuilder>
+        ragFileParsingConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Specifies the parsing config for RagFiles.
+     * RAG will use the default parser if this field is not set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the ragFileParsingConfig field is set.
+     */
+    public boolean hasRagFileParsingConfig() {
+      return ((bitField0_ & 0x00000400) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Specifies the parsing config for RagFiles.
+     * RAG will use the default parser if this field is not set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The ragFileParsingConfig.
+     */
+    public com.google.cloud.vertexai.api.RagFileParsingConfig getRagFileParsingConfig() {
+      if (ragFileParsingConfigBuilder_ == null) {
+        return ragFileParsingConfig_ == null
+            ? com.google.cloud.vertexai.api.RagFileParsingConfig.getDefaultInstance()
+            : ragFileParsingConfig_;
+      } else {
+        return ragFileParsingConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Specifies the parsing config for RagFiles.
+     * RAG will use the default parser if this field is not set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setRagFileParsingConfig(
+        com.google.cloud.vertexai.api.RagFileParsingConfig value) {
+      if (ragFileParsingConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ragFileParsingConfig_ = value;
+      } else {
+        ragFileParsingConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000400;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Specifies the parsing config for RagFiles.
+     * RAG will use the default parser if this field is not set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setRagFileParsingConfig(
+        com.google.cloud.vertexai.api.RagFileParsingConfig.Builder builderForValue) {
+      if (ragFileParsingConfigBuilder_ == null) {
+        ragFileParsingConfig_ = builderForValue.build();
+      } else {
+        ragFileParsingConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000400;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Specifies the parsing config for RagFiles.
+     * RAG will use the default parser if this field is not set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeRagFileParsingConfig(
+        com.google.cloud.vertexai.api.RagFileParsingConfig value) {
+      if (ragFileParsingConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000400) != 0)
+            && ragFileParsingConfig_ != null
+            && ragFileParsingConfig_
+                != com.google.cloud.vertexai.api.RagFileParsingConfig.getDefaultInstance()) {
+          getRagFileParsingConfigBuilder().mergeFrom(value);
+        } else {
+          ragFileParsingConfig_ = value;
+        }
+      } else {
+        ragFileParsingConfigBuilder_.mergeFrom(value);
+      }
+      if (ragFileParsingConfig_ != null) {
+        bitField0_ |= 0x00000400;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Specifies the parsing config for RagFiles.
+     * RAG will use the default parser if this field is not set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearRagFileParsingConfig() {
+      bitField0_ = (bitField0_ & ~0x00000400);
+      ragFileParsingConfig_ = null;
+      if (ragFileParsingConfigBuilder_ != null) {
+        ragFileParsingConfigBuilder_.dispose();
+        ragFileParsingConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Specifies the parsing config for RagFiles.
+     * RAG will use the default parser if this field is not set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.RagFileParsingConfig.Builder
+        getRagFileParsingConfigBuilder() {
+      bitField0_ |= 0x00000400;
+      onChanged();
+      return internalGetRagFileParsingConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Specifies the parsing config for RagFiles.
+     * RAG will use the default parser if this field is not set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.RagFileParsingConfigOrBuilder
+        getRagFileParsingConfigOrBuilder() {
+      if (ragFileParsingConfigBuilder_ != null) {
+        return ragFileParsingConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return ragFileParsingConfig_ == null
+            ? com.google.cloud.vertexai.api.RagFileParsingConfig.getDefaultInstance()
+            : ragFileParsingConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Specifies the parsing config for RagFiles.
+     * RAG will use the default parser if this field is not set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagFileParsingConfig,
+            com.google.cloud.vertexai.api.RagFileParsingConfig.Builder,
+            com.google.cloud.vertexai.api.RagFileParsingConfigOrBuilder>
+        internalGetRagFileParsingConfigFieldBuilder() {
+      if (ragFileParsingConfigBuilder_ == null) {
+        ragFileParsingConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagFileParsingConfig,
+                com.google.cloud.vertexai.api.RagFileParsingConfig.Builder,
+                com.google.cloud.vertexai.api.RagFileParsingConfigOrBuilder>(
+                getRagFileParsingConfig(), getParentForChildren(), isClean());
+        ragFileParsingConfig_ = null;
+      }
+      return ragFileParsingConfigBuilder_;
+    }
+
+    private int maxEmbeddingRequestsPerMin_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The max number of queries per minute that this job is allowed to
+     * make to the embedding model specified on the corpus. This value is specific
+     * to this job and not shared across other import jobs. Consult the Quotas
+     * page on the project to set an appropriate value here.
+     * If unspecified, a default value of 1,000 QPM would be used.
+     * </pre>
+     *
+     * <code>int32 max_embedding_requests_per_min = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The maxEmbeddingRequestsPerMin.
+     */
+    @java.lang.Override
+    public int getMaxEmbeddingRequestsPerMin() {
+      return maxEmbeddingRequestsPerMin_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The max number of queries per minute that this job is allowed to
+     * make to the embedding model specified on the corpus. This value is specific
+     * to this job and not shared across other import jobs. Consult the Quotas
+     * page on the project to set an appropriate value here.
+     * If unspecified, a default value of 1,000 QPM would be used.
+     * </pre>
+     *
+     * <code>int32 max_embedding_requests_per_min = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The maxEmbeddingRequestsPerMin to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMaxEmbeddingRequestsPerMin(int value) {
+
+      maxEmbeddingRequestsPerMin_ = value;
+      bitField0_ |= 0x00000800;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The max number of queries per minute that this job is allowed to
+     * make to the embedding model specified on the corpus. This value is specific
+     * to this job and not shared across other import jobs. Consult the Quotas
+     * page on the project to set an appropriate value here.
+     * If unspecified, a default value of 1,000 QPM would be used.
+     * </pre>
+     *
+     * <code>int32 max_embedding_requests_per_min = 5 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearMaxEmbeddingRequestsPerMin() {
+      bitField0_ = (bitField0_ & ~0x00000800);
+      maxEmbeddingRequestsPerMin_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private boolean rebuildAnnIndex_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Rebuilds the ANN index to optimize for recall on the imported data.
+     * Only applicable for RagCorpora running on RagManagedDb with
+     * `retrieval_strategy` set to `ANN`. The rebuild will be performed using the
+     * existing ANN config set on the RagCorpus. To change the ANN config, please
+     * use the UpdateRagCorpus API.
+     *
+     * Default is false, i.e., index is not rebuilt.
+     * </pre>
+     *
+     * <code>bool rebuild_ann_index = 19;</code>
+     *
+     * @return The rebuildAnnIndex.
+     */
+    @java.lang.Override
+    public boolean getRebuildAnnIndex() {
+      return rebuildAnnIndex_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Rebuilds the ANN index to optimize for recall on the imported data.
+     * Only applicable for RagCorpora running on RagManagedDb with
+     * `retrieval_strategy` set to `ANN`. The rebuild will be performed using the
+     * existing ANN config set on the RagCorpus. To change the ANN config, please
+     * use the UpdateRagCorpus API.
+     *
+     * Default is false, i.e., index is not rebuilt.
+     * </pre>
+     *
+     * <code>bool rebuild_ann_index = 19;</code>
+     *
+     * @param value The rebuildAnnIndex to set.
+     * @return This builder for chaining.
+     */
+    public Builder setRebuildAnnIndex(boolean value) {
+
+      rebuildAnnIndex_ = value;
+      bitField0_ |= 0x00001000;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Rebuilds the ANN index to optimize for recall on the imported data.
+     * Only applicable for RagCorpora running on RagManagedDb with
+     * `retrieval_strategy` set to `ANN`. The rebuild will be performed using the
+     * existing ANN config set on the RagCorpus. To change the ANN config, please
+     * use the UpdateRagCorpus API.
+     *
+     * Default is false, i.e., index is not rebuilt.
+     * </pre>
+     *
+     * <code>bool rebuild_ann_index = 19;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearRebuildAnnIndex() {
+      bitField0_ = (bitField0_ & ~0x00001000);
+      rebuildAnnIndex_ = false;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ImportRagFilesConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.ImportRagFilesConfig)
+  private static final com.google.cloud.vertexai.api.ImportRagFilesConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.ImportRagFilesConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.ImportRagFilesConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ImportRagFilesConfig> PARSER =
+      new com.google.protobuf.AbstractParser<ImportRagFilesConfig>() {
+        @java.lang.Override
+        public ImportRagFilesConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<ImportRagFilesConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ImportRagFilesConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ImportRagFilesConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ImportRagFilesConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ImportRagFilesConfigOrBuilder.java
new file mode 100644
index 000000000000..86bc45b11480
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ImportRagFilesConfigOrBuilder.java
@@ -0,0 +1,570 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface ImportRagFilesConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ImportRagFilesConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Google Cloud Storage location. Supports importing individual files as
+   * well as entire Google Cloud Storage directories. Sample formats:
+   * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+   * - `gs://bucket_name/my_directory`
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+   *
+   * @return Whether the gcsSource field is set.
+   */
+  boolean hasGcsSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Google Cloud Storage location. Supports importing individual files as
+   * well as entire Google Cloud Storage directories. Sample formats:
+   * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+   * - `gs://bucket_name/my_directory`
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+   *
+   * @return The gcsSource.
+   */
+  com.google.cloud.vertexai.api.GcsSource getGcsSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Google Cloud Storage location. Supports importing individual files as
+   * well as entire Google Cloud Storage directories. Sample formats:
+   * - `gs://bucket_name/my_directory/object_name/my_file.txt`
+   * - `gs://bucket_name/my_directory`
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
+   */
+  com.google.cloud.vertexai.api.GcsSourceOrBuilder getGcsSourceOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Google Drive location. Supports importing individual files as
+   * well as Google Drive folders.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+   *
+   * @return Whether the googleDriveSource field is set.
+   */
+  boolean hasGoogleDriveSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Google Drive location. Supports importing individual files as
+   * well as Google Drive folders.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+   *
+   * @return The googleDriveSource.
+   */
+  com.google.cloud.vertexai.api.GoogleDriveSource getGoogleDriveSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Google Drive location. Supports importing individual files as
+   * well as Google Drive folders.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 3;</code>
+   */
+  com.google.cloud.vertexai.api.GoogleDriveSourceOrBuilder getGoogleDriveSourceOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Slack channels with their corresponding access tokens.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+   *
+   * @return Whether the slackSource field is set.
+   */
+  boolean hasSlackSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Slack channels with their corresponding access tokens.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+   *
+   * @return The slackSource.
+   */
+  com.google.cloud.vertexai.api.SlackSource getSlackSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Slack channels with their corresponding access tokens.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 6;</code>
+   */
+  com.google.cloud.vertexai.api.SlackSourceOrBuilder getSlackSourceOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Jira queries with their corresponding authentication.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+   *
+   * @return Whether the jiraSource field is set.
+   */
+  boolean hasJiraSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Jira queries with their corresponding authentication.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+   *
+   * @return The jiraSource.
+   */
+  com.google.cloud.vertexai.api.JiraSource getJiraSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Jira queries with their corresponding authentication.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 7;</code>
+   */
+  com.google.cloud.vertexai.api.JiraSourceOrBuilder getJiraSourceOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * SharePoint sources.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+   *
+   * @return Whether the sharePointSources field is set.
+   */
+  boolean hasSharePointSources();
+
+  /**
+   *
+   *
+   * <pre>
+   * SharePoint sources.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+   *
+   * @return The sharePointSources.
+   */
+  com.google.cloud.vertexai.api.SharePointSources getSharePointSources();
+
+  /**
+   *
+   *
+   * <pre>
+   * SharePoint sources.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 13;</code>
+   */
+  com.google.cloud.vertexai.api.SharePointSourcesOrBuilder getSharePointSourcesOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * The Cloud Storage path to write partial failures to.
+   * Deprecated. Prefer to use `import_result_gcs_sink`.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+   * </code>
+   *
+   * @deprecated google.cloud.vertexai.v1.ImportRagFilesConfig.partial_failure_gcs_sink is
+   *     deprecated. See google/cloud/vertexai/v1/vertex_rag_data.proto;l=463
+   * @return Whether the partialFailureGcsSink field is set.
+   */
+  @java.lang.Deprecated
+  boolean hasPartialFailureGcsSink();
+
+  /**
+   *
+   *
+   * <pre>
+   * The Cloud Storage path to write partial failures to.
+   * Deprecated. Prefer to use `import_result_gcs_sink`.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+   * </code>
+   *
+   * @deprecated google.cloud.vertexai.v1.ImportRagFilesConfig.partial_failure_gcs_sink is
+   *     deprecated. See google/cloud/vertexai/v1/vertex_rag_data.proto;l=463
+   * @return The partialFailureGcsSink.
+   */
+  @java.lang.Deprecated
+  com.google.cloud.vertexai.api.GcsDestination getPartialFailureGcsSink();
+
+  /**
+   *
+   *
+   * <pre>
+   * The Cloud Storage path to write partial failures to.
+   * Deprecated. Prefer to use `import_result_gcs_sink`.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+   * </code>
+   */
+  @java.lang.Deprecated
+  com.google.cloud.vertexai.api.GcsDestinationOrBuilder getPartialFailureGcsSinkOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * The BigQuery destination to write partial failures to. It should be a
+   * bigquery table resource name (e.g.
+   * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+   * table does not exist, it will be created with the expected schema. If the
+   * table exists, the schema will be validated and data will be added to this
+   * existing table.
+   * Deprecated. Prefer to use `import_result_bq_sink`.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+   * </code>
+   *
+   * @deprecated google.cloud.vertexai.v1.ImportRagFilesConfig.partial_failure_bigquery_sink is
+   *     deprecated. See google/cloud/vertexai/v1/vertex_rag_data.proto;l=472
+   * @return Whether the partialFailureBigquerySink field is set.
+   */
+  @java.lang.Deprecated
+  boolean hasPartialFailureBigquerySink();
+
+  /**
+   *
+   *
+   * <pre>
+   * The BigQuery destination to write partial failures to. It should be a
+   * bigquery table resource name (e.g.
+   * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+   * table does not exist, it will be created with the expected schema. If the
+   * table exists, the schema will be validated and data will be added to this
+   * existing table.
+   * Deprecated. Prefer to use `import_result_bq_sink`.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+   * </code>
+   *
+   * @deprecated google.cloud.vertexai.v1.ImportRagFilesConfig.partial_failure_bigquery_sink is
+   *     deprecated. See google/cloud/vertexai/v1/vertex_rag_data.proto;l=472
+   * @return The partialFailureBigquerySink.
+   */
+  @java.lang.Deprecated
+  com.google.cloud.vertexai.api.BigQueryDestination getPartialFailureBigquerySink();
+
+  /**
+   *
+   *
+   * <pre>
+   * The BigQuery destination to write partial failures to. It should be a
+   * bigquery table resource name (e.g.
+   * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+   * table does not exist, it will be created with the expected schema. If the
+   * table exists, the schema will be validated and data will be added to this
+   * existing table.
+   * Deprecated. Prefer to use `import_result_bq_sink`.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+   * </code>
+   */
+  @java.lang.Deprecated
+  com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder
+      getPartialFailureBigquerySinkOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * The Cloud Storage path to write import result to.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+   *
+   * @return Whether the importResultGcsSink field is set.
+   */
+  boolean hasImportResultGcsSink();
+
+  /**
+   *
+   *
+   * <pre>
+   * The Cloud Storage path to write import result to.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+   *
+   * @return The importResultGcsSink.
+   */
+  com.google.cloud.vertexai.api.GcsDestination getImportResultGcsSink();
+
+  /**
+   *
+   *
+   * <pre>
+   * The Cloud Storage path to write import result to.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.GcsDestination import_result_gcs_sink = 14;</code>
+   */
+  com.google.cloud.vertexai.api.GcsDestinationOrBuilder getImportResultGcsSinkOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * The BigQuery destination to write import result to. It should be a
+   * bigquery table resource name (e.g.
+   * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+   * table does not exist, it will be created with the expected schema. If the
+   * table exists, the schema will be validated and data will be added to this
+   * existing table.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+   *
+   * @return Whether the importResultBigquerySink field is set.
+   */
+  boolean hasImportResultBigquerySink();
+
+  /**
+   *
+   *
+   * <pre>
+   * The BigQuery destination to write import result to. It should be a
+   * bigquery table resource name (e.g.
+   * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+   * table does not exist, it will be created with the expected schema. If the
+   * table exists, the schema will be validated and data will be added to this
+   * existing table.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+   *
+   * @return The importResultBigquerySink.
+   */
+  com.google.cloud.vertexai.api.BigQueryDestination getImportResultBigquerySink();
+
+  /**
+   *
+   *
+   * <pre>
+   * The BigQuery destination to write import result to. It should be a
+   * bigquery table resource name (e.g.
+   * "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+   * table does not exist, it will be created with the expected schema. If the
+   * table exists, the schema will be validated and data will be added to this
+   * existing table.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.BigQueryDestination import_result_bigquery_sink = 15;</code>
+   */
+  com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder getImportResultBigquerySinkOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the transformation config for RagFiles.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+   * </code>
+   *
+   * @return Whether the ragFileTransformationConfig field is set.
+   */
+  boolean hasRagFileTransformationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the transformation config for RagFiles.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+   * </code>
+   *
+   * @return The ragFileTransformationConfig.
+   */
+  com.google.cloud.vertexai.api.RagFileTransformationConfig getRagFileTransformationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the transformation config for RagFiles.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 16;
+   * </code>
+   */
+  com.google.cloud.vertexai.api.RagFileTransformationConfigOrBuilder
+      getRagFileTransformationConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Specifies the parsing config for RagFiles.
+   * RAG will use the default parser if this field is not set.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the ragFileParsingConfig field is set.
+   */
+  boolean hasRagFileParsingConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Specifies the parsing config for RagFiles.
+   * RAG will use the default parser if this field is not set.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The ragFileParsingConfig.
+   */
+  com.google.cloud.vertexai.api.RagFileParsingConfig getRagFileParsingConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Specifies the parsing config for RagFiles.
+   * RAG will use the default parser if this field is not set.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileParsingConfig rag_file_parsing_config = 8 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.RagFileParsingConfigOrBuilder getRagFileParsingConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The max number of queries per minute that this job is allowed to
+   * make to the embedding model specified on the corpus. This value is specific
+   * to this job and not shared across other import jobs. Consult the Quotas
+   * page on the project to set an appropriate value here.
+   * If unspecified, a default value of 1,000 QPM would be used.
+   * </pre>
+   *
+   * <code>int32 max_embedding_requests_per_min = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The maxEmbeddingRequestsPerMin.
+   */
+  int getMaxEmbeddingRequestsPerMin();
+
+  /**
+   *
+   *
+   * <pre>
+   * Rebuilds the ANN index to optimize for recall on the imported data.
+   * Only applicable for RagCorpora running on RagManagedDb with
+   * `retrieval_strategy` set to `ANN`. The rebuild will be performed using the
+   * existing ANN config set on the RagCorpus. To change the ANN config, please
+   * use the UpdateRagCorpus API.
+   *
+   * Default is false, i.e., index is not rebuilt.
+   * </pre>
+   *
+   * <code>bool rebuild_ann_index = 19;</code>
+   *
+   * @return The rebuildAnnIndex.
+   */
+  boolean getRebuildAnnIndex();
+
+  com.google.cloud.vertexai.api.ImportRagFilesConfig.ImportSourceCase getImportSourceCase();
+
+  com.google.cloud.vertexai.api.ImportRagFilesConfig.PartialFailureSinkCase
+      getPartialFailureSinkCase();
+
+  com.google.cloud.vertexai.api.ImportRagFilesConfig.ImportResultSinkCase getImportResultSinkCase();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Int64Array.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Int64Array.java
index 9d527f46ce19..6922890b0455 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Int64Array.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Int64Array.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/types.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Int64Array}
  */
-public final class Int64Array extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Int64Array extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Int64Array)
     Int64ArrayOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Int64Array");
+  }
+
   // Use Int64Array.newBuilder() to construct.
-  private Int64Array(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Int64Array(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private Int64Array() {
     values_ = emptyLongList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Int64Array();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.TypesProto
         .internal_static_google_cloud_vertexai_v1_Int64Array_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.TypesProto
         .internal_static_google_cloud_vertexai_v1_Int64Array_fieldAccessorTable
@@ -234,38 +240,38 @@ public static com.google.cloud.vertexai.api.Int64Array parseFrom(
 
   public static com.google.cloud.vertexai.api.Int64Array parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Int64Array parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Int64Array parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Int64Array parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Int64Array parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Int64Array parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -288,7 +294,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -302,7 +308,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Int64Array}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Int64Array)
       com.google.cloud.vertexai.api.Int64ArrayOrBuilder {
@@ -312,7 +318,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.TypesProto
           .internal_static_google_cloud_vertexai_v1_Int64Array_fieldAccessorTable
@@ -324,7 +330,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.Int64Array.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -375,39 +381,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.Int64Array result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Int64Array) {
@@ -631,17 +604,6 @@ public Builder clearValues() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Int64Array)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Int64ArrayOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Int64ArrayOrBuilder.java
index 4ce88e79c2b8..2a2006c135fa 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Int64ArrayOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Int64ArrayOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/types.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface Int64ArrayOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Int64Array)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/IntegratedGradientsAttribution.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/IntegratedGradientsAttribution.java
index 8cf2965cbe06..7ecd04e94586 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/IntegratedGradientsAttribution.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/IntegratedGradientsAttribution.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -30,33 +31,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.IntegratedGradientsAttribution}
  */
-public final class IntegratedGradientsAttribution extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class IntegratedGradientsAttribution extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.IntegratedGradientsAttribution)
     IntegratedGradientsAttributionOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "IntegratedGradientsAttribution");
+  }
+
   // Use IntegratedGradientsAttribution.newBuilder() to construct.
-  private IntegratedGradientsAttribution(
-      com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private IntegratedGradientsAttribution(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private IntegratedGradientsAttribution() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new IntegratedGradientsAttribution();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_IntegratedGradientsAttribution_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_IntegratedGradientsAttribution_fieldAccessorTable
@@ -355,38 +360,38 @@ public static com.google.cloud.vertexai.api.IntegratedGradientsAttribution parse
 
   public static com.google.cloud.vertexai.api.IntegratedGradientsAttribution parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.IntegratedGradientsAttribution parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.IntegratedGradientsAttribution parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.IntegratedGradientsAttribution parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.IntegratedGradientsAttribution parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.IntegratedGradientsAttribution parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -410,7 +415,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -426,7 +431,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.IntegratedGradientsAttribution}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.IntegratedGradientsAttribution)
       com.google.cloud.vertexai.api.IntegratedGradientsAttributionOrBuilder {
@@ -436,7 +441,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_IntegratedGradientsAttribution_fieldAccessorTable
@@ -450,15 +455,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getSmoothGradConfigFieldBuilder();
-        getBlurBaselineConfigFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetSmoothGradConfigFieldBuilder();
+        internalGetBlurBaselineConfigFieldBuilder();
       }
     }
 
@@ -534,39 +539,6 @@ private void buildPartial0(
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.IntegratedGradientsAttribution) {
@@ -625,14 +597,14 @@ public Builder mergeFrom(
             case 18:
               {
                 input.readMessage(
-                    getSmoothGradConfigFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetSmoothGradConfigFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
             case 26:
               {
                 input.readMessage(
-                    getBlurBaselineConfigFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetBlurBaselineConfigFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 26
@@ -724,7 +696,7 @@ public Builder clearStepCount() {
     }
 
     private com.google.cloud.vertexai.api.SmoothGradConfig smoothGradConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.SmoothGradConfig,
             com.google.cloud.vertexai.api.SmoothGradConfig.Builder,
             com.google.cloud.vertexai.api.SmoothGradConfigOrBuilder>
@@ -906,7 +878,7 @@ public Builder clearSmoothGradConfig() {
     public com.google.cloud.vertexai.api.SmoothGradConfig.Builder getSmoothGradConfigBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getSmoothGradConfigFieldBuilder().getBuilder();
+      return internalGetSmoothGradConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -947,14 +919,14 @@ public com.google.cloud.vertexai.api.SmoothGradConfigOrBuilder getSmoothGradConf
      *
      * <code>.google.cloud.vertexai.v1.SmoothGradConfig smooth_grad_config = 2;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.SmoothGradConfig,
             com.google.cloud.vertexai.api.SmoothGradConfig.Builder,
             com.google.cloud.vertexai.api.SmoothGradConfigOrBuilder>
-        getSmoothGradConfigFieldBuilder() {
+        internalGetSmoothGradConfigFieldBuilder() {
       if (smoothGradConfigBuilder_ == null) {
         smoothGradConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.SmoothGradConfig,
                 com.google.cloud.vertexai.api.SmoothGradConfig.Builder,
                 com.google.cloud.vertexai.api.SmoothGradConfigOrBuilder>(
@@ -965,7 +937,7 @@ public com.google.cloud.vertexai.api.SmoothGradConfigOrBuilder getSmoothGradConf
     }
 
     private com.google.cloud.vertexai.api.BlurBaselineConfig blurBaselineConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.BlurBaselineConfig,
             com.google.cloud.vertexai.api.BlurBaselineConfig.Builder,
             com.google.cloud.vertexai.api.BlurBaselineConfigOrBuilder>
@@ -1147,7 +1119,7 @@ public Builder clearBlurBaselineConfig() {
     public com.google.cloud.vertexai.api.BlurBaselineConfig.Builder getBlurBaselineConfigBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getBlurBaselineConfigFieldBuilder().getBuilder();
+      return internalGetBlurBaselineConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -1189,14 +1161,14 @@ public com.google.cloud.vertexai.api.BlurBaselineConfig.Builder getBlurBaselineC
      *
      * <code>.google.cloud.vertexai.v1.BlurBaselineConfig blur_baseline_config = 3;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.BlurBaselineConfig,
             com.google.cloud.vertexai.api.BlurBaselineConfig.Builder,
             com.google.cloud.vertexai.api.BlurBaselineConfigOrBuilder>
-        getBlurBaselineConfigFieldBuilder() {
+        internalGetBlurBaselineConfigFieldBuilder() {
       if (blurBaselineConfigBuilder_ == null) {
         blurBaselineConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.BlurBaselineConfig,
                 com.google.cloud.vertexai.api.BlurBaselineConfig.Builder,
                 com.google.cloud.vertexai.api.BlurBaselineConfigOrBuilder>(
@@ -1206,17 +1178,6 @@ public com.google.cloud.vertexai.api.BlurBaselineConfig.Builder getBlurBaselineC
       return blurBaselineConfigBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.IntegratedGradientsAttribution)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/IntegratedGradientsAttributionOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/IntegratedGradientsAttributionOrBuilder.java
index 745cc0ca4399..8769c74deac1 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/IntegratedGradientsAttributionOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/IntegratedGradientsAttributionOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface IntegratedGradientsAttributionOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.IntegratedGradientsAttribution)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/IoProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/IoProto.java
index 8b002912f0f5..4a751893f29f 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/IoProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/IoProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class IoProto {
+@com.google.protobuf.Generated
+public final class IoProto extends com.google.protobuf.GeneratedFile {
   private IoProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "IoProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,79 +42,79 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_AvroSource_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_AvroSource_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_CsvSource_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_CsvSource_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GcsSource_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GcsSource_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GcsDestination_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GcsDestination_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_BigQuerySource_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_BigQuerySource_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_BigQueryDestination_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_BigQueryDestination_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_CsvDestination_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_CsvDestination_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_TFRecordDestination_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_TFRecordDestination_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ContainerRegistryDestination_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ContainerRegistryDestination_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GoogleDriveSource_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GoogleDriveSource_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GoogleDriveSource_ResourceId_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GoogleDriveSource_ResourceId_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DirectUploadSource_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DirectUploadSource_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_SlackSource_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_SlackSource_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_SlackChannel_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_SlackChannel_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_JiraSource_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_JiraSource_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_JiraSource_JiraQueries_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_JiraSource_JiraQueries_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_SharePointSources_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_SharePointSources_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_SharePointSources_SharePointSource_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_SharePointSources_SharePointSource_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -184,157 +196,152 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.protobuf.TimestampProto.getDescriptor(),
             });
     internal_static_google_cloud_vertexai_v1_AvroSource_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+        getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_AvroSource_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_AvroSource_descriptor,
             new java.lang.String[] {
               "GcsSource",
             });
     internal_static_google_cloud_vertexai_v1_CsvSource_descriptor =
-        getDescriptor().getMessageTypes().get(1);
+        getDescriptor().getMessageType(1);
     internal_static_google_cloud_vertexai_v1_CsvSource_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_CsvSource_descriptor,
             new java.lang.String[] {
               "GcsSource",
             });
     internal_static_google_cloud_vertexai_v1_GcsSource_descriptor =
-        getDescriptor().getMessageTypes().get(2);
+        getDescriptor().getMessageType(2);
     internal_static_google_cloud_vertexai_v1_GcsSource_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GcsSource_descriptor,
             new java.lang.String[] {
               "Uris",
             });
     internal_static_google_cloud_vertexai_v1_GcsDestination_descriptor =
-        getDescriptor().getMessageTypes().get(3);
+        getDescriptor().getMessageType(3);
     internal_static_google_cloud_vertexai_v1_GcsDestination_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GcsDestination_descriptor,
             new java.lang.String[] {
               "OutputUriPrefix",
             });
     internal_static_google_cloud_vertexai_v1_BigQuerySource_descriptor =
-        getDescriptor().getMessageTypes().get(4);
+        getDescriptor().getMessageType(4);
     internal_static_google_cloud_vertexai_v1_BigQuerySource_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_BigQuerySource_descriptor,
             new java.lang.String[] {
               "InputUri",
             });
     internal_static_google_cloud_vertexai_v1_BigQueryDestination_descriptor =
-        getDescriptor().getMessageTypes().get(5);
+        getDescriptor().getMessageType(5);
     internal_static_google_cloud_vertexai_v1_BigQueryDestination_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_BigQueryDestination_descriptor,
             new java.lang.String[] {
               "OutputUri",
             });
     internal_static_google_cloud_vertexai_v1_CsvDestination_descriptor =
-        getDescriptor().getMessageTypes().get(6);
+        getDescriptor().getMessageType(6);
     internal_static_google_cloud_vertexai_v1_CsvDestination_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_CsvDestination_descriptor,
             new java.lang.String[] {
               "GcsDestination",
             });
     internal_static_google_cloud_vertexai_v1_TFRecordDestination_descriptor =
-        getDescriptor().getMessageTypes().get(7);
+        getDescriptor().getMessageType(7);
     internal_static_google_cloud_vertexai_v1_TFRecordDestination_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_TFRecordDestination_descriptor,
             new java.lang.String[] {
               "GcsDestination",
             });
     internal_static_google_cloud_vertexai_v1_ContainerRegistryDestination_descriptor =
-        getDescriptor().getMessageTypes().get(8);
+        getDescriptor().getMessageType(8);
     internal_static_google_cloud_vertexai_v1_ContainerRegistryDestination_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ContainerRegistryDestination_descriptor,
             new java.lang.String[] {
               "OutputUri",
             });
     internal_static_google_cloud_vertexai_v1_GoogleDriveSource_descriptor =
-        getDescriptor().getMessageTypes().get(9);
+        getDescriptor().getMessageType(9);
     internal_static_google_cloud_vertexai_v1_GoogleDriveSource_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GoogleDriveSource_descriptor,
             new java.lang.String[] {
               "ResourceIds",
             });
     internal_static_google_cloud_vertexai_v1_GoogleDriveSource_ResourceId_descriptor =
-        internal_static_google_cloud_vertexai_v1_GoogleDriveSource_descriptor
-            .getNestedTypes()
-            .get(0);
+        internal_static_google_cloud_vertexai_v1_GoogleDriveSource_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_GoogleDriveSource_ResourceId_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GoogleDriveSource_ResourceId_descriptor,
             new java.lang.String[] {
               "ResourceType", "ResourceId",
             });
     internal_static_google_cloud_vertexai_v1_DirectUploadSource_descriptor =
-        getDescriptor().getMessageTypes().get(10);
+        getDescriptor().getMessageType(10);
     internal_static_google_cloud_vertexai_v1_DirectUploadSource_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_DirectUploadSource_descriptor,
             new java.lang.String[] {});
     internal_static_google_cloud_vertexai_v1_SlackSource_descriptor =
-        getDescriptor().getMessageTypes().get(11);
+        getDescriptor().getMessageType(11);
     internal_static_google_cloud_vertexai_v1_SlackSource_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_SlackSource_descriptor,
             new java.lang.String[] {
               "Channels",
             });
     internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_descriptor =
-        internal_static_google_cloud_vertexai_v1_SlackSource_descriptor.getNestedTypes().get(0);
+        internal_static_google_cloud_vertexai_v1_SlackSource_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_descriptor,
             new java.lang.String[] {
               "Channels", "ApiKeyConfig",
             });
     internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_SlackChannel_descriptor =
-        internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_descriptor
-            .getNestedTypes()
-            .get(0);
+        internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_descriptor.getNestedType(
+            0);
     internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_SlackChannel_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_SlackChannel_descriptor,
             new java.lang.String[] {
               "ChannelId", "StartTime", "EndTime",
             });
     internal_static_google_cloud_vertexai_v1_JiraSource_descriptor =
-        getDescriptor().getMessageTypes().get(12);
+        getDescriptor().getMessageType(12);
     internal_static_google_cloud_vertexai_v1_JiraSource_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_JiraSource_descriptor,
             new java.lang.String[] {
               "JiraQueries",
             });
     internal_static_google_cloud_vertexai_v1_JiraSource_JiraQueries_descriptor =
-        internal_static_google_cloud_vertexai_v1_JiraSource_descriptor.getNestedTypes().get(0);
+        internal_static_google_cloud_vertexai_v1_JiraSource_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_JiraSource_JiraQueries_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_JiraSource_JiraQueries_descriptor,
             new java.lang.String[] {
               "Projects", "CustomQueries", "Email", "ServerUri", "ApiKeyConfig",
             });
     internal_static_google_cloud_vertexai_v1_SharePointSources_descriptor =
-        getDescriptor().getMessageTypes().get(13);
+        getDescriptor().getMessageType(13);
     internal_static_google_cloud_vertexai_v1_SharePointSources_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_SharePointSources_descriptor,
             new java.lang.String[] {
               "SharePointSources",
             });
     internal_static_google_cloud_vertexai_v1_SharePointSources_SharePointSource_descriptor =
-        internal_static_google_cloud_vertexai_v1_SharePointSources_descriptor
-            .getNestedTypes()
-            .get(0);
+        internal_static_google_cloud_vertexai_v1_SharePointSources_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_SharePointSources_SharePointSource_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_SharePointSources_SharePointSource_descriptor,
             new java.lang.String[] {
               "SharepointFolderPath",
@@ -349,14 +356,15 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "FolderSource",
               "DriveSource",
             });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.cloud.vertexai.api.ApiAuthProto.getDescriptor();
+    com.google.protobuf.TimestampProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.cloud.vertexai.api.ApiAuthProto.getDescriptor();
-    com.google.protobuf.TimestampProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/JiraSource.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/JiraSource.java
index 25cac315464e..f405294c84a9 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/JiraSource.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/JiraSource.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.JiraSource}
  */
-public final class JiraSource extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class JiraSource extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.JiraSource)
     JiraSourceOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "JiraSource");
+  }
+
   // Use JiraSource.newBuilder() to construct.
-  private JiraSource(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private JiraSource(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private JiraSource() {
     jiraQueries_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new JiraSource();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_JiraSource_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_JiraSource_fieldAccessorTable
@@ -299,14 +305,24 @@ public interface JiraQueriesOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.JiraSource.JiraQueries}
    */
-  public static final class JiraQueries extends com.google.protobuf.GeneratedMessageV3
+  public static final class JiraQueries extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.JiraSource.JiraQueries)
       JiraQueriesOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "JiraQueries");
+    }
+
     // Use JiraQueries.newBuilder() to construct.
-    private JiraQueries(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private JiraQueries(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -317,19 +333,13 @@ private JiraQueries() {
       serverUri_ = "";
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new JiraQueries();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_JiraSource_JiraQueries_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_JiraSource_JiraQueries_fieldAccessorTable
@@ -672,16 +682,16 @@ public final boolean isInitialized() {
     @java.lang.Override
     public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
       for (int i = 0; i < projects_.size(); i++) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 3, projects_.getRaw(i));
+        com.google.protobuf.GeneratedMessage.writeString(output, 3, projects_.getRaw(i));
       }
       for (int i = 0; i < customQueries_.size(); i++) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 4, customQueries_.getRaw(i));
+        com.google.protobuf.GeneratedMessage.writeString(output, 4, customQueries_.getRaw(i));
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(email_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 5, email_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(email_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 5, email_);
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(serverUri_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 6, serverUri_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(serverUri_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 6, serverUri_);
       }
       if (((bitField0_ & 0x00000001) != 0)) {
         output.writeMessage(7, getApiKeyConfig());
@@ -711,11 +721,11 @@ public int getSerializedSize() {
         size += dataSize;
         size += 1 * getCustomQueriesList().size();
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(email_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, email_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(email_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(5, email_);
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(serverUri_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(6, serverUri_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(serverUri_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(6, serverUri_);
       }
       if (((bitField0_ & 0x00000001) != 0)) {
         size += com.google.protobuf.CodedOutputStream.computeMessageSize(7, getApiKeyConfig());
@@ -813,38 +823,38 @@ public static com.google.cloud.vertexai.api.JiraSource.JiraQueries parseFrom(
 
     public static com.google.cloud.vertexai.api.JiraSource.JiraQueries parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.JiraSource.JiraQueries parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.JiraSource.JiraQueries parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.JiraSource.JiraQueries parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.JiraSource.JiraQueries parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.JiraSource.JiraQueries parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -868,8 +878,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -883,8 +892,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.JiraSource.JiraQueries}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.JiraSource.JiraQueries)
         com.google.cloud.vertexai.api.JiraSource.JiraQueriesOrBuilder {
@@ -894,7 +902,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.IoProto
             .internal_static_google_cloud_vertexai_v1_JiraSource_JiraQueries_fieldAccessorTable
@@ -908,14 +916,14 @@ private Builder() {
         maybeForceBuilderInitialization();
       }
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
         maybeForceBuilderInitialization();
       }
 
       private void maybeForceBuilderInitialization() {
-        if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-          getApiKeyConfigFieldBuilder();
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+          internalGetApiKeyConfigFieldBuilder();
         }
       }
 
@@ -991,41 +999,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.JiraSource.JiraQueries
         result.bitField0_ |= to_bitField0_;
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.JiraSource.JiraQueries) {
@@ -1126,7 +1099,8 @@ public Builder mergeFrom(
                 } // case 50
               case 58:
                 {
-                  input.readMessage(getApiKeyConfigFieldBuilder().getBuilder(), extensionRegistry);
+                  input.readMessage(
+                      internalGetApiKeyConfigFieldBuilder().getBuilder(), extensionRegistry);
                   bitField0_ |= 0x00000010;
                   break;
                 } // case 58
@@ -1756,7 +1730,7 @@ public Builder setServerUriBytes(com.google.protobuf.ByteString value) {
       }
 
       private com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig apiKeyConfig_;
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig,
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder,
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder>
@@ -1938,7 +1912,7 @@ public Builder clearApiKeyConfig() {
       public com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder getApiKeyConfigBuilder() {
         bitField0_ |= 0x00000010;
         onChanged();
-        return getApiKeyConfigFieldBuilder().getBuilder();
+        return internalGetApiKeyConfigFieldBuilder().getBuilder();
       }
 
       /**
@@ -1980,14 +1954,14 @@ public com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder getApiKeyConfi
        * .google.cloud.vertexai.v1.ApiAuth.ApiKeyConfig api_key_config = 7 [(.google.api.field_behavior) = REQUIRED];
        * </code>
        */
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig,
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder,
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder>
-          getApiKeyConfigFieldBuilder() {
+          internalGetApiKeyConfigFieldBuilder() {
         if (apiKeyConfigBuilder_ == null) {
           apiKeyConfigBuilder_ =
-              new com.google.protobuf.SingleFieldBuilderV3<
+              new com.google.protobuf.SingleFieldBuilder<
                   com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig,
                   com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder,
                   com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder>(
@@ -1997,18 +1971,6 @@ public com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder getApiKeyConfi
         return apiKeyConfigBuilder_;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.JiraSource.JiraQueries)
     }
 
@@ -2250,38 +2212,38 @@ public static com.google.cloud.vertexai.api.JiraSource parseFrom(
 
   public static com.google.cloud.vertexai.api.JiraSource parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.JiraSource parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.JiraSource parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.JiraSource parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.JiraSource parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.JiraSource parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -2304,7 +2266,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -2318,7 +2280,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.JiraSource}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.JiraSource)
       com.google.cloud.vertexai.api.JiraSourceOrBuilder {
@@ -2328,7 +2290,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_JiraSource_fieldAccessorTable
@@ -2340,7 +2302,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.JiraSource.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -2406,39 +2368,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.JiraSource result) {
       int from_bitField0_ = bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.JiraSource) {
@@ -2470,8 +2399,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.JiraSource other) {
             jiraQueries_ = other.jiraQueries_;
             bitField0_ = (bitField0_ & ~0x00000001);
             jiraQueriesBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getJiraQueriesFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetJiraQueriesFieldBuilder()
                     : null;
           } else {
             jiraQueriesBuilder_.addAllMessages(other.jiraQueries_);
@@ -2549,7 +2478,7 @@ private void ensureJiraQueriesIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.JiraSource.JiraQueries,
             com.google.cloud.vertexai.api.JiraSource.JiraQueries.Builder,
             com.google.cloud.vertexai.api.JiraSource.JiraQueriesOrBuilder>
@@ -2839,7 +2768,7 @@ public Builder removeJiraQueries(int index) {
      */
     public com.google.cloud.vertexai.api.JiraSource.JiraQueries.Builder getJiraQueriesBuilder(
         int index) {
-      return getJiraQueriesFieldBuilder().getBuilder(index);
+      return internalGetJiraQueriesFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -2894,7 +2823,7 @@ public com.google.cloud.vertexai.api.JiraSource.JiraQueriesOrBuilder getJiraQuer
      * </code>
      */
     public com.google.cloud.vertexai.api.JiraSource.JiraQueries.Builder addJiraQueriesBuilder() {
-      return getJiraQueriesFieldBuilder()
+      return internalGetJiraQueriesFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.JiraSource.JiraQueries.getDefaultInstance());
     }
 
@@ -2911,7 +2840,7 @@ public com.google.cloud.vertexai.api.JiraSource.JiraQueries.Builder addJiraQueri
      */
     public com.google.cloud.vertexai.api.JiraSource.JiraQueries.Builder addJiraQueriesBuilder(
         int index) {
-      return getJiraQueriesFieldBuilder()
+      return internalGetJiraQueriesFieldBuilder()
           .addBuilder(
               index, com.google.cloud.vertexai.api.JiraSource.JiraQueries.getDefaultInstance());
     }
@@ -2929,17 +2858,17 @@ public com.google.cloud.vertexai.api.JiraSource.JiraQueries.Builder addJiraQueri
      */
     public java.util.List<com.google.cloud.vertexai.api.JiraSource.JiraQueries.Builder>
         getJiraQueriesBuilderList() {
-      return getJiraQueriesFieldBuilder().getBuilderList();
+      return internalGetJiraQueriesFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.JiraSource.JiraQueries,
             com.google.cloud.vertexai.api.JiraSource.JiraQueries.Builder,
             com.google.cloud.vertexai.api.JiraSource.JiraQueriesOrBuilder>
-        getJiraQueriesFieldBuilder() {
+        internalGetJiraQueriesFieldBuilder() {
       if (jiraQueriesBuilder_ == null) {
         jiraQueriesBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.JiraSource.JiraQueries,
                 com.google.cloud.vertexai.api.JiraSource.JiraQueries.Builder,
                 com.google.cloud.vertexai.api.JiraSource.JiraQueriesOrBuilder>(
@@ -2949,17 +2878,6 @@ public com.google.cloud.vertexai.api.JiraSource.JiraQueries.Builder addJiraQueri
       return jiraQueriesBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.JiraSource)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/JiraSourceOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/JiraSourceOrBuilder.java
index 244487790b73..822a9822ac62 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/JiraSourceOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/JiraSourceOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface JiraSourceOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.JiraSource)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsRequest.java
index e8d3e5c7bed3..257ae3f732a4 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ListEndpointsRequest}
  */
-public final class ListEndpointsRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ListEndpointsRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ListEndpointsRequest)
     ListEndpointsRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ListEndpointsRequest");
+  }
+
   // Use ListEndpointsRequest.newBuilder() to construct.
-  private ListEndpointsRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ListEndpointsRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -47,19 +59,13 @@ private ListEndpointsRequest() {
     orderBy_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ListEndpointsRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_ListEndpointsRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_ListEndpointsRequest_fieldAccessorTable
@@ -140,22 +146,22 @@ public com.google.protobuf.ByteString getParentBytes() {
    * Optional. An expression for filtering the results of the request. For field
    * names both snake_case and camelCase are supported.
    *
-   *   * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
-   *     ID, i.e. the last segment of the Endpoint's
-   *     [resource name][google.cloud.aiplatform.v1.Endpoint.name].
-   *   * `display_name` supports `=` and `!=`.
-   *   * `labels` supports general map functions that is:
-   *     * `labels.key=value` - key:value equality
-   *     * `labels.key:*` or `labels:key` - key existence
-   *     * A key including a space must be quoted. `labels."a key"`.
-   *   * `base_model_name` only supports `=`.
+   * * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
+   * ID, i.e. the last segment of the Endpoint's
+   * [resource name][google.cloud.aiplatform.v1.Endpoint.name].
+   * * `display_name` supports `=` and `!=`.
+   * * `labels` supports general map functions that is:
+   * * `labels.key=value` - key:value equality
+   * * `labels.key:*` or `labels:key` - key existence
+   * * A key including a space must be quoted. `labels."a key"`.
+   * * `base_model_name` only supports `=`.
    *
    * Some examples:
    *
-   *   * `endpoint=1`
-   *   * `displayName="myDisplayName"`
-   *   * `labels.myKey="myValue"`
-   *   * `baseModelName="text-bison"`
+   * * `endpoint=1`
+   * * `displayName="myDisplayName"`
+   * * `labels.myKey="myValue"`
+   * * `baseModelName="text-bison"`
    * </pre>
    *
    * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -182,22 +188,22 @@ public java.lang.String getFilter() {
    * Optional. An expression for filtering the results of the request. For field
    * names both snake_case and camelCase are supported.
    *
-   *   * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
-   *     ID, i.e. the last segment of the Endpoint's
-   *     [resource name][google.cloud.aiplatform.v1.Endpoint.name].
-   *   * `display_name` supports `=` and `!=`.
-   *   * `labels` supports general map functions that is:
-   *     * `labels.key=value` - key:value equality
-   *     * `labels.key:*` or `labels:key` - key existence
-   *     * A key including a space must be quoted. `labels."a key"`.
-   *   * `base_model_name` only supports `=`.
+   * * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
+   * ID, i.e. the last segment of the Endpoint's
+   * [resource name][google.cloud.aiplatform.v1.Endpoint.name].
+   * * `display_name` supports `=` and `!=`.
+   * * `labels` supports general map functions that is:
+   * * `labels.key=value` - key:value equality
+   * * `labels.key:*` or `labels:key` - key existence
+   * * A key including a space must be quoted. `labels."a key"`.
+   * * `base_model_name` only supports `=`.
    *
    * Some examples:
    *
-   *   * `endpoint=1`
-   *   * `displayName="myDisplayName"`
-   *   * `labels.myKey="myValue"`
-   *   * `baseModelName="text-bison"`
+   * * `endpoint=1`
+   * * `displayName="myDisplayName"`
+   * * `labels.myKey="myValue"`
+   * * `baseModelName="text-bison"`
    * </pre>
    *
    * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -364,9 +370,9 @@ public com.google.protobuf.FieldMaskOrBuilder getReadMaskOrBuilder() {
    * Use "desc" after a field name for descending.
    * Supported fields:
    *
-   *   * `display_name`
-   *   * `create_time`
-   *   * `update_time`
+   * * `display_name`
+   * * `create_time`
+   * * `update_time`
    *
    * Example: `display_name, create_time desc`.
    * </pre>
@@ -396,9 +402,9 @@ public java.lang.String getOrderBy() {
    * Use "desc" after a field name for descending.
    * Supported fields:
    *
-   *   * `display_name`
-   *   * `create_time`
-   *   * `update_time`
+   * * `display_name`
+   * * `create_time`
+   * * `update_time`
    *
    * Example: `display_name, create_time desc`.
    * </pre>
@@ -434,23 +440,23 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(parent_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, parent_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(parent_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, parent_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(filter_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, filter_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(filter_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, filter_);
     }
     if (pageSize_ != 0) {
       output.writeInt32(3, pageSize_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pageToken_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, pageToken_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(pageToken_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 4, pageToken_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(5, getReadMask());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(orderBy_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 6, orderBy_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(orderBy_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 6, orderBy_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -461,23 +467,23 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(parent_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, parent_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(parent_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, parent_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(filter_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, filter_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(filter_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, filter_);
     }
     if (pageSize_ != 0) {
       size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, pageSize_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pageToken_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, pageToken_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(pageToken_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(4, pageToken_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(5, getReadMask());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(orderBy_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(6, orderBy_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(orderBy_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(6, orderBy_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -571,38 +577,38 @@ public static com.google.cloud.vertexai.api.ListEndpointsRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.ListEndpointsRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ListEndpointsRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ListEndpointsRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ListEndpointsRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ListEndpointsRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ListEndpointsRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -625,7 +631,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -640,7 +646,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ListEndpointsRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ListEndpointsRequest)
       com.google.cloud.vertexai.api.ListEndpointsRequestOrBuilder {
@@ -650,7 +656,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_ListEndpointsRequest_fieldAccessorTable
@@ -664,14 +670,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getReadMaskFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetReadMaskFieldBuilder();
       }
     }
 
@@ -748,39 +754,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ListEndpointsRequest re
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ListEndpointsRequest) {
@@ -872,7 +845,8 @@ public Builder mergeFrom(
               } // case 34
             case 42:
               {
-                input.readMessage(getReadMaskFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetReadMaskFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000010;
                 break;
               } // case 42
@@ -1036,22 +1010,22 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
      * Optional. An expression for filtering the results of the request. For field
      * names both snake_case and camelCase are supported.
      *
-     *   * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
-     *     ID, i.e. the last segment of the Endpoint's
-     *     [resource name][google.cloud.aiplatform.v1.Endpoint.name].
-     *   * `display_name` supports `=` and `!=`.
-     *   * `labels` supports general map functions that is:
-     *     * `labels.key=value` - key:value equality
-     *     * `labels.key:*` or `labels:key` - key existence
-     *     * A key including a space must be quoted. `labels."a key"`.
-     *   * `base_model_name` only supports `=`.
+     * * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
+     * ID, i.e. the last segment of the Endpoint's
+     * [resource name][google.cloud.aiplatform.v1.Endpoint.name].
+     * * `display_name` supports `=` and `!=`.
+     * * `labels` supports general map functions that is:
+     * * `labels.key=value` - key:value equality
+     * * `labels.key:*` or `labels:key` - key existence
+     * * A key including a space must be quoted. `labels."a key"`.
+     * * `base_model_name` only supports `=`.
      *
      * Some examples:
      *
-     *   * `endpoint=1`
-     *   * `displayName="myDisplayName"`
-     *   * `labels.myKey="myValue"`
-     *   * `baseModelName="text-bison"`
+     * * `endpoint=1`
+     * * `displayName="myDisplayName"`
+     * * `labels.myKey="myValue"`
+     * * `baseModelName="text-bison"`
      * </pre>
      *
      * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1077,22 +1051,22 @@ public java.lang.String getFilter() {
      * Optional. An expression for filtering the results of the request. For field
      * names both snake_case and camelCase are supported.
      *
-     *   * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
-     *     ID, i.e. the last segment of the Endpoint's
-     *     [resource name][google.cloud.aiplatform.v1.Endpoint.name].
-     *   * `display_name` supports `=` and `!=`.
-     *   * `labels` supports general map functions that is:
-     *     * `labels.key=value` - key:value equality
-     *     * `labels.key:*` or `labels:key` - key existence
-     *     * A key including a space must be quoted. `labels."a key"`.
-     *   * `base_model_name` only supports `=`.
+     * * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
+     * ID, i.e. the last segment of the Endpoint's
+     * [resource name][google.cloud.aiplatform.v1.Endpoint.name].
+     * * `display_name` supports `=` and `!=`.
+     * * `labels` supports general map functions that is:
+     * * `labels.key=value` - key:value equality
+     * * `labels.key:*` or `labels:key` - key existence
+     * * A key including a space must be quoted. `labels."a key"`.
+     * * `base_model_name` only supports `=`.
      *
      * Some examples:
      *
-     *   * `endpoint=1`
-     *   * `displayName="myDisplayName"`
-     *   * `labels.myKey="myValue"`
-     *   * `baseModelName="text-bison"`
+     * * `endpoint=1`
+     * * `displayName="myDisplayName"`
+     * * `labels.myKey="myValue"`
+     * * `baseModelName="text-bison"`
      * </pre>
      *
      * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1118,22 +1092,22 @@ public com.google.protobuf.ByteString getFilterBytes() {
      * Optional. An expression for filtering the results of the request. For field
      * names both snake_case and camelCase are supported.
      *
-     *   * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
-     *     ID, i.e. the last segment of the Endpoint's
-     *     [resource name][google.cloud.aiplatform.v1.Endpoint.name].
-     *   * `display_name` supports `=` and `!=`.
-     *   * `labels` supports general map functions that is:
-     *     * `labels.key=value` - key:value equality
-     *     * `labels.key:*` or `labels:key` - key existence
-     *     * A key including a space must be quoted. `labels."a key"`.
-     *   * `base_model_name` only supports `=`.
+     * * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
+     * ID, i.e. the last segment of the Endpoint's
+     * [resource name][google.cloud.aiplatform.v1.Endpoint.name].
+     * * `display_name` supports `=` and `!=`.
+     * * `labels` supports general map functions that is:
+     * * `labels.key=value` - key:value equality
+     * * `labels.key:*` or `labels:key` - key existence
+     * * A key including a space must be quoted. `labels."a key"`.
+     * * `base_model_name` only supports `=`.
      *
      * Some examples:
      *
-     *   * `endpoint=1`
-     *   * `displayName="myDisplayName"`
-     *   * `labels.myKey="myValue"`
-     *   * `baseModelName="text-bison"`
+     * * `endpoint=1`
+     * * `displayName="myDisplayName"`
+     * * `labels.myKey="myValue"`
+     * * `baseModelName="text-bison"`
      * </pre>
      *
      * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1158,22 +1132,22 @@ public Builder setFilter(java.lang.String value) {
      * Optional. An expression for filtering the results of the request. For field
      * names both snake_case and camelCase are supported.
      *
-     *   * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
-     *     ID, i.e. the last segment of the Endpoint's
-     *     [resource name][google.cloud.aiplatform.v1.Endpoint.name].
-     *   * `display_name` supports `=` and `!=`.
-     *   * `labels` supports general map functions that is:
-     *     * `labels.key=value` - key:value equality
-     *     * `labels.key:*` or `labels:key` - key existence
-     *     * A key including a space must be quoted. `labels."a key"`.
-     *   * `base_model_name` only supports `=`.
+     * * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
+     * ID, i.e. the last segment of the Endpoint's
+     * [resource name][google.cloud.aiplatform.v1.Endpoint.name].
+     * * `display_name` supports `=` and `!=`.
+     * * `labels` supports general map functions that is:
+     * * `labels.key=value` - key:value equality
+     * * `labels.key:*` or `labels:key` - key existence
+     * * A key including a space must be quoted. `labels."a key"`.
+     * * `base_model_name` only supports `=`.
      *
      * Some examples:
      *
-     *   * `endpoint=1`
-     *   * `displayName="myDisplayName"`
-     *   * `labels.myKey="myValue"`
-     *   * `baseModelName="text-bison"`
+     * * `endpoint=1`
+     * * `displayName="myDisplayName"`
+     * * `labels.myKey="myValue"`
+     * * `baseModelName="text-bison"`
      * </pre>
      *
      * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1194,22 +1168,22 @@ public Builder clearFilter() {
      * Optional. An expression for filtering the results of the request. For field
      * names both snake_case and camelCase are supported.
      *
-     *   * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
-     *     ID, i.e. the last segment of the Endpoint's
-     *     [resource name][google.cloud.aiplatform.v1.Endpoint.name].
-     *   * `display_name` supports `=` and `!=`.
-     *   * `labels` supports general map functions that is:
-     *     * `labels.key=value` - key:value equality
-     *     * `labels.key:*` or `labels:key` - key existence
-     *     * A key including a space must be quoted. `labels."a key"`.
-     *   * `base_model_name` only supports `=`.
+     * * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
+     * ID, i.e. the last segment of the Endpoint's
+     * [resource name][google.cloud.aiplatform.v1.Endpoint.name].
+     * * `display_name` supports `=` and `!=`.
+     * * `labels` supports general map functions that is:
+     * * `labels.key=value` - key:value equality
+     * * `labels.key:*` or `labels:key` - key existence
+     * * A key including a space must be quoted. `labels."a key"`.
+     * * `base_model_name` only supports `=`.
      *
      * Some examples:
      *
-     *   * `endpoint=1`
-     *   * `displayName="myDisplayName"`
-     *   * `labels.myKey="myValue"`
-     *   * `baseModelName="text-bison"`
+     * * `endpoint=1`
+     * * `displayName="myDisplayName"`
+     * * `labels.myKey="myValue"`
+     * * `baseModelName="text-bison"`
      * </pre>
      *
      * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1421,7 +1395,7 @@ public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.protobuf.FieldMask readMask_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.FieldMask,
             com.google.protobuf.FieldMask.Builder,
             com.google.protobuf.FieldMaskOrBuilder>
@@ -1571,7 +1545,7 @@ public Builder clearReadMask() {
     public com.google.protobuf.FieldMask.Builder getReadMaskBuilder() {
       bitField0_ |= 0x00000010;
       onChanged();
-      return getReadMaskFieldBuilder().getBuilder();
+      return internalGetReadMaskFieldBuilder().getBuilder();
     }
 
     /**
@@ -1602,14 +1576,14 @@ public com.google.protobuf.FieldMaskOrBuilder getReadMaskOrBuilder() {
      * <code>.google.protobuf.FieldMask read_mask = 5 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.FieldMask,
             com.google.protobuf.FieldMask.Builder,
             com.google.protobuf.FieldMaskOrBuilder>
-        getReadMaskFieldBuilder() {
+        internalGetReadMaskFieldBuilder() {
       if (readMaskBuilder_ == null) {
         readMaskBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.FieldMask,
                 com.google.protobuf.FieldMask.Builder,
                 com.google.protobuf.FieldMaskOrBuilder>(
@@ -1629,9 +1603,9 @@ public com.google.protobuf.FieldMaskOrBuilder getReadMaskOrBuilder() {
      * Use "desc" after a field name for descending.
      * Supported fields:
      *
-     *   * `display_name`
-     *   * `create_time`
-     *   * `update_time`
+     * * `display_name`
+     * * `create_time`
+     * * `update_time`
      *
      * Example: `display_name, create_time desc`.
      * </pre>
@@ -1660,9 +1634,9 @@ public java.lang.String getOrderBy() {
      * Use "desc" after a field name for descending.
      * Supported fields:
      *
-     *   * `display_name`
-     *   * `create_time`
-     *   * `update_time`
+     * * `display_name`
+     * * `create_time`
+     * * `update_time`
      *
      * Example: `display_name, create_time desc`.
      * </pre>
@@ -1691,9 +1665,9 @@ public com.google.protobuf.ByteString getOrderByBytes() {
      * Use "desc" after a field name for descending.
      * Supported fields:
      *
-     *   * `display_name`
-     *   * `create_time`
-     *   * `update_time`
+     * * `display_name`
+     * * `create_time`
+     * * `update_time`
      *
      * Example: `display_name, create_time desc`.
      * </pre>
@@ -1721,9 +1695,9 @@ public Builder setOrderBy(java.lang.String value) {
      * Use "desc" after a field name for descending.
      * Supported fields:
      *
-     *   * `display_name`
-     *   * `create_time`
-     *   * `update_time`
+     * * `display_name`
+     * * `create_time`
+     * * `update_time`
      *
      * Example: `display_name, create_time desc`.
      * </pre>
@@ -1747,9 +1721,9 @@ public Builder clearOrderBy() {
      * Use "desc" after a field name for descending.
      * Supported fields:
      *
-     *   * `display_name`
-     *   * `create_time`
-     *   * `update_time`
+     * * `display_name`
+     * * `create_time`
+     * * `update_time`
      *
      * Example: `display_name, create_time desc`.
      * </pre>
@@ -1770,17 +1744,6 @@ public Builder setOrderByBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ListEndpointsRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsRequestOrBuilder.java
index 174de5c375fe..5babb6355e0b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ListEndpointsRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ListEndpointsRequest)
@@ -63,22 +65,22 @@ public interface ListEndpointsRequestOrBuilder
    * Optional. An expression for filtering the results of the request. For field
    * names both snake_case and camelCase are supported.
    *
-   *   * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
-   *     ID, i.e. the last segment of the Endpoint's
-   *     [resource name][google.cloud.aiplatform.v1.Endpoint.name].
-   *   * `display_name` supports `=` and `!=`.
-   *   * `labels` supports general map functions that is:
-   *     * `labels.key=value` - key:value equality
-   *     * `labels.key:*` or `labels:key` - key existence
-   *     * A key including a space must be quoted. `labels."a key"`.
-   *   * `base_model_name` only supports `=`.
+   * * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
+   * ID, i.e. the last segment of the Endpoint's
+   * [resource name][google.cloud.aiplatform.v1.Endpoint.name].
+   * * `display_name` supports `=` and `!=`.
+   * * `labels` supports general map functions that is:
+   * * `labels.key=value` - key:value equality
+   * * `labels.key:*` or `labels:key` - key existence
+   * * A key including a space must be quoted. `labels."a key"`.
+   * * `base_model_name` only supports `=`.
    *
    * Some examples:
    *
-   *   * `endpoint=1`
-   *   * `displayName="myDisplayName"`
-   *   * `labels.myKey="myValue"`
-   *   * `baseModelName="text-bison"`
+   * * `endpoint=1`
+   * * `displayName="myDisplayName"`
+   * * `labels.myKey="myValue"`
+   * * `baseModelName="text-bison"`
    * </pre>
    *
    * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -94,22 +96,22 @@ public interface ListEndpointsRequestOrBuilder
    * Optional. An expression for filtering the results of the request. For field
    * names both snake_case and camelCase are supported.
    *
-   *   * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
-   *     ID, i.e. the last segment of the Endpoint's
-   *     [resource name][google.cloud.aiplatform.v1.Endpoint.name].
-   *   * `display_name` supports `=` and `!=`.
-   *   * `labels` supports general map functions that is:
-   *     * `labels.key=value` - key:value equality
-   *     * `labels.key:*` or `labels:key` - key existence
-   *     * A key including a space must be quoted. `labels."a key"`.
-   *   * `base_model_name` only supports `=`.
+   * * `endpoint` supports `=` and `!=`. `endpoint` represents the Endpoint
+   * ID, i.e. the last segment of the Endpoint's
+   * [resource name][google.cloud.aiplatform.v1.Endpoint.name].
+   * * `display_name` supports `=` and `!=`.
+   * * `labels` supports general map functions that is:
+   * * `labels.key=value` - key:value equality
+   * * `labels.key:*` or `labels:key` - key existence
+   * * A key including a space must be quoted. `labels."a key"`.
+   * * `base_model_name` only supports `=`.
    *
    * Some examples:
    *
-   *   * `endpoint=1`
-   *   * `displayName="myDisplayName"`
-   *   * `labels.myKey="myValue"`
-   *   * `baseModelName="text-bison"`
+   * * `endpoint=1`
+   * * `displayName="myDisplayName"`
+   * * `labels.myKey="myValue"`
+   * * `baseModelName="text-bison"`
    * </pre>
    *
    * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -215,9 +217,9 @@ public interface ListEndpointsRequestOrBuilder
    * Use "desc" after a field name for descending.
    * Supported fields:
    *
-   *   * `display_name`
-   *   * `create_time`
-   *   * `update_time`
+   * * `display_name`
+   * * `create_time`
+   * * `update_time`
    *
    * Example: `display_name, create_time desc`.
    * </pre>
@@ -236,9 +238,9 @@ public interface ListEndpointsRequestOrBuilder
    * Use "desc" after a field name for descending.
    * Supported fields:
    *
-   *   * `display_name`
-   *   * `create_time`
-   *   * `update_time`
+   * * `display_name`
+   * * `create_time`
+   * * `update_time`
    *
    * Example: `display_name, create_time desc`.
    * </pre>
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsResponse.java
index 492536a07bd6..8a54dc23417b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ListEndpointsResponse}
  */
-public final class ListEndpointsResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ListEndpointsResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ListEndpointsResponse)
     ListEndpointsResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ListEndpointsResponse");
+  }
+
   // Use ListEndpointsResponse.newBuilder() to construct.
-  private ListEndpointsResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ListEndpointsResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,13 @@ private ListEndpointsResponse() {
     nextPageToken_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ListEndpointsResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_ListEndpointsResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_ListEndpointsResponse_fieldAccessorTable
@@ -218,8 +224,8 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     for (int i = 0; i < endpoints_.size(); i++) {
       output.writeMessage(1, endpoints_.get(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(nextPageToken_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, nextPageToken_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(nextPageToken_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, nextPageToken_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -233,8 +239,8 @@ public int getSerializedSize() {
     for (int i = 0; i < endpoints_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, endpoints_.get(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(nextPageToken_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, nextPageToken_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(nextPageToken_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, nextPageToken_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -313,38 +319,38 @@ public static com.google.cloud.vertexai.api.ListEndpointsResponse parseFrom(
 
   public static com.google.cloud.vertexai.api.ListEndpointsResponse parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ListEndpointsResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ListEndpointsResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ListEndpointsResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ListEndpointsResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ListEndpointsResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -367,7 +373,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -382,7 +388,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ListEndpointsResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ListEndpointsResponse)
       com.google.cloud.vertexai.api.ListEndpointsResponseOrBuilder {
@@ -392,7 +398,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_ListEndpointsResponse_fieldAccessorTable
@@ -404,7 +410,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.ListEndpointsResponse.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -475,39 +481,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ListEndpointsResponse r
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ListEndpointsResponse) {
@@ -540,8 +513,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.ListEndpointsResponse oth
             endpoints_ = other.endpoints_;
             bitField0_ = (bitField0_ & ~0x00000001);
             endpointsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getEndpointsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetEndpointsFieldBuilder()
                     : null;
           } else {
             endpointsBuilder_.addAllMessages(other.endpoints_);
@@ -627,7 +600,7 @@ private void ensureEndpointsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Endpoint,
             com.google.cloud.vertexai.api.Endpoint.Builder,
             com.google.cloud.vertexai.api.EndpointOrBuilder>
@@ -886,7 +859,7 @@ public Builder removeEndpoints(int index) {
      * <code>repeated .google.cloud.vertexai.v1.Endpoint endpoints = 1;</code>
      */
     public com.google.cloud.vertexai.api.Endpoint.Builder getEndpointsBuilder(int index) {
-      return getEndpointsFieldBuilder().getBuilder(index);
+      return internalGetEndpointsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -934,7 +907,7 @@ public com.google.cloud.vertexai.api.EndpointOrBuilder getEndpointsOrBuilder(int
      * <code>repeated .google.cloud.vertexai.v1.Endpoint endpoints = 1;</code>
      */
     public com.google.cloud.vertexai.api.Endpoint.Builder addEndpointsBuilder() {
-      return getEndpointsFieldBuilder()
+      return internalGetEndpointsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Endpoint.getDefaultInstance());
     }
 
@@ -948,7 +921,7 @@ public com.google.cloud.vertexai.api.Endpoint.Builder addEndpointsBuilder() {
      * <code>repeated .google.cloud.vertexai.v1.Endpoint endpoints = 1;</code>
      */
     public com.google.cloud.vertexai.api.Endpoint.Builder addEndpointsBuilder(int index) {
-      return getEndpointsFieldBuilder()
+      return internalGetEndpointsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Endpoint.getDefaultInstance());
     }
 
@@ -963,17 +936,17 @@ public com.google.cloud.vertexai.api.Endpoint.Builder addEndpointsBuilder(int in
      */
     public java.util.List<com.google.cloud.vertexai.api.Endpoint.Builder>
         getEndpointsBuilderList() {
-      return getEndpointsFieldBuilder().getBuilderList();
+      return internalGetEndpointsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Endpoint,
             com.google.cloud.vertexai.api.Endpoint.Builder,
             com.google.cloud.vertexai.api.EndpointOrBuilder>
-        getEndpointsFieldBuilder() {
+        internalGetEndpointsFieldBuilder() {
       if (endpointsBuilder_ == null) {
         endpointsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Endpoint,
                 com.google.cloud.vertexai.api.Endpoint.Builder,
                 com.google.cloud.vertexai.api.EndpointOrBuilder>(
@@ -1109,17 +1082,6 @@ public Builder setNextPageTokenBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ListEndpointsResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsResponseOrBuilder.java
index 4d0155f9860e..4e0c5a281362 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ListEndpointsResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ListEndpointsResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ListEndpointsResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LlmUtilityServiceProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LlmUtilityServiceProto.java
index 65b52684d3de..858702d43759 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LlmUtilityServiceProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LlmUtilityServiceProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/llm_utility_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class LlmUtilityServiceProto {
+@com.google.protobuf.Generated
+public final class LlmUtilityServiceProto extends com.google.protobuf.GeneratedFile {
   private LlmUtilityServiceProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "LlmUtilityServiceProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,15 +42,15 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ComputeTokensRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ComputeTokensRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_TokensInfo_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_TokensInfo_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ComputeTokensResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ComputeTokensResponse_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -49,51 +61,47 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
 
   static {
     java.lang.String[] descriptorData = {
-      "\n2google/cloud/vertexai/v1/llm_utility_s"
+      "\n"
+          + "2google/cloud/vertexai/v1/llm_utility_s"
           + "ervice.proto\022\030google.cloud.vertexai.v1\032\034"
           + "google/api/annotations.proto\032\027google/api"
           + "/client.proto\032\037google/api/field_behavior"
           + ".proto\032\031google/api/resource.proto\032&googl"
           + "e/cloud/vertexai/v1/content.proto\0321googl"
-          + "e/cloud/vertexai/v1/prediction_service.p"
-          + "roto\032\034google/protobuf/struct.proto\"\322\001\n\024C"
-          + "omputeTokensRequest\022<\n\010endpoint\030\001 \001(\tB*\340"
-          + "A\002\372A$\n\"aiplatform.googleapis.com/Endpoin"
-          + "t\022.\n\tinstances\030\002 \003(\0132\026.google.protobuf.V"
-          + "alueB\003\340A\001\022\022\n\005model\030\003 \001(\tB\003\340A\001\0228\n\010content"
-          + "s\030\004 \003(\0132!.google.cloud.vertexai.v1.Conte"
-          + "ntB\003\340A\001\"B\n\nTokensInfo\022\016\n\006tokens\030\001 \003(\014\022\021\n"
-          + "\ttoken_ids\030\002 \003(\003\022\021\n\004role\030\003 \001(\tB\003\340A\001\"R\n\025C"
-          + "omputeTokensResponse\0229\n\013tokens_info\030\001 \003("
-          + "\0132$.google.cloud.vertexai.v1.TokensInfo2"
-          + "\360\006\n\021LlmUtilityService\022\375\002\n\013CountTokens\022,."
-          + "google.cloud.vertexai.v1.CountTokensRequ"
+          + "e/cloud/vertexai/v1/prediction_service.proto\032\034google/protobuf/struct.proto\"\322\001\n"
+          + "\024ComputeTokensRequest\022<\n"
+          + "\010endpoint\030\001 \001(\tB*\340A\002\372A$\n"
+          + "\"aiplatform.googleapis.com/Endpoint\022.\n"
+          + "\tinstances\030\002 \003(\0132\026.google.protobuf.ValueB\003\340A\001\022\022\n"
+          + "\005model\030\003 \001(\tB\003\340A\001\0228\n"
+          + "\010contents\030\004 \003(\0132!.google.cloud.vertexai.v1.ContentB\003\340A\001\"B\n\n"
+          + "TokensInfo\022\016\n"
+          + "\006tokens\030\001 \003(\014\022\021\n"
+          + "\ttoken_ids\030\002 \003(\003\022\021\n"
+          + "\004role\030\003 \001(\tB\003\340A\001\"R\n"
+          + "\025ComputeTokensResponse\0229\n"
+          + "\013tokens_info\030\001 \003(\0132$.google.cloud.vertexai.v1.TokensInfo2\360\006\n"
+          + "\021LlmUtilityService\022\375\002\n"
+          + "\013CountTokens\022,.google.cloud.vertexai.v1.CountTokensRequ"
           + "est\032-.google.cloud.vertexai.v1.CountToke"
           + "nsResponse\"\220\002\332A\022endpoint,instances\202\323\344\223\002\364"
           + "\001\"=/v1/{endpoint=projects/*/locations/*/"
-          + "endpoints/*}:countTokens:\001*ZL\"G/v1/{endp"
-          + "oint=projects/*/locations/*/publishers/*"
+          + "endpoints/*}:countTokens:\001*ZL\"G/v1/{endpoint=projects/*/locations/*/publishers/*"
           + "/models/*}:countTokens:\001*Z+\"&/v1/{endpoi"
           + "nt=endpoints/*}:countTokens:\001*Z5\"0/v1/{e"
-          + "ndpoint=publishers/*/models/*}:countToke"
-          + "ns:\001*\022\213\003\n\rComputeTokens\022..google.cloud.v"
-          + "ertexai.v1.ComputeTokensRequest\032/.google"
+          + "ndpoint=publishers/*/models/*}:countTokens:\001*\022\213\003\n\r"
+          + "ComputeTokens\022..google.cloud.vertexai.v1.ComputeTokensRequest\032/.google"
           + ".cloud.vertexai.v1.ComputeTokensResponse"
           + "\"\230\002\332A\022endpoint,instances\202\323\344\223\002\374\001\"?/v1/{en"
-          + "dpoint=projects/*/locations/*/endpoints/"
-          + "*}:computeTokens:\001*ZN\"I/v1/{endpoint=pro"
-          + "jects/*/locations/*/publishers/*/models/"
-          + "*}:computeTokens:\001*Z-\"(/v1/{endpoint=end"
-          + "points/*}:computeTokens:\001*Z7\"2/v1/{endpo"
-          + "int=publishers/*/models/*}:computeTokens"
+          + "dpoint=projects/*/locations/*/endpoints/*}:computeTokens:\001*ZN\"I/v1/{endpoint=pro"
+          + "jects/*/locations/*/publishers/*/models/*}:computeTokens:\001*Z-\"(/v1/{endpoint=end"
+          + "points/*}:computeTokens:\001*Z7\"2/v1/{endpoint=publishers/*/models/*}:computeTokens"
           + ":\001*\032M\312A\031aiplatform.googleapis.com\322A.http"
-          + "s://www.googleapis.com/auth/cloud-platfo"
-          + "rmB\323\001\n\035com.google.cloud.vertexai.apiB\026Ll"
-          + "mUtilityServiceProtoP\001Z>cloud.google.com"
+          + "s://www.googleapis.com/auth/cloud-platformB\323\001\n"
+          + "\035com.google.cloud.vertexai.apiB\026LlmUtilityServiceProtoP\001Z>cloud.google.com"
           + "/go/aiplatform/apiv1/aiplatformpb;aiplat"
           + "formpb\252\002\032Google.Cloud.AIPlatform.V1\312\002\032Go"
-          + "ogle\\Cloud\\AIPlatform\\V1\352\002\035Google::Cloud"
-          + "::AIPlatform::V1b\006proto3"
+          + "ogle\\Cloud\\AIPlatform\\V1\352\002\035Google::Cloud::AIPlatform::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -108,29 +116,37 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.protobuf.StructProto.getDescriptor(),
             });
     internal_static_google_cloud_vertexai_v1_ComputeTokensRequest_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+        getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_ComputeTokensRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ComputeTokensRequest_descriptor,
             new java.lang.String[] {
               "Endpoint", "Instances", "Model", "Contents",
             });
     internal_static_google_cloud_vertexai_v1_TokensInfo_descriptor =
-        getDescriptor().getMessageTypes().get(1);
+        getDescriptor().getMessageType(1);
     internal_static_google_cloud_vertexai_v1_TokensInfo_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_TokensInfo_descriptor,
             new java.lang.String[] {
               "Tokens", "TokenIds", "Role",
             });
     internal_static_google_cloud_vertexai_v1_ComputeTokensResponse_descriptor =
-        getDescriptor().getMessageTypes().get(2);
+        getDescriptor().getMessageType(2);
     internal_static_google_cloud_vertexai_v1_ComputeTokensResponse_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ComputeTokensResponse_descriptor,
             new java.lang.String[] {
               "TokensInfo",
             });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.AnnotationsProto.getDescriptor();
+    com.google.api.ClientProto.getDescriptor();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
+    com.google.cloud.vertexai.api.ContentProto.getDescriptor();
+    com.google.cloud.vertexai.api.PredictionServiceProto.getDescriptor();
+    com.google.protobuf.StructProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.ClientProto.defaultHost);
@@ -141,13 +157,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     registry.add(com.google.api.ResourceProto.resourceReference);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
-    com.google.api.AnnotationsProto.getDescriptor();
-    com.google.api.ClientProto.getDescriptor();
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.api.ResourceProto.getDescriptor();
-    com.google.cloud.vertexai.api.ContentProto.getDescriptor();
-    com.google.cloud.vertexai.api.PredictionServiceProto.getDescriptor();
-    com.google.protobuf.StructProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LogprobsResult.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LogprobsResult.java
index 0ec79ea8fa81..a4bd00f244d2 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LogprobsResult.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LogprobsResult.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.LogprobsResult}
  */
-public final class LogprobsResult extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class LogprobsResult extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.LogprobsResult)
     LogprobsResultOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "LogprobsResult");
+  }
+
   // Use LogprobsResult.newBuilder() to construct.
-  private LogprobsResult(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private LogprobsResult(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private LogprobsResult() {
     chosenCandidates_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new LogprobsResult();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_LogprobsResult_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_LogprobsResult_fieldAccessorTable
@@ -171,14 +177,24 @@ public interface CandidateOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.LogprobsResult.Candidate}
    */
-  public static final class Candidate extends com.google.protobuf.GeneratedMessageV3
+  public static final class Candidate extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.LogprobsResult.Candidate)
       CandidateOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "Candidate");
+    }
+
     // Use Candidate.newBuilder() to construct.
-    private Candidate(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private Candidate(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -186,19 +202,13 @@ private Candidate() {
       token_ = "";
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new Candidate();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_LogprobsResult_Candidate_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_LogprobsResult_Candidate_fieldAccessorTable
@@ -362,7 +372,7 @@ public final boolean isInitialized() {
     @java.lang.Override
     public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
       if (((bitField0_ & 0x00000001) != 0)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, token_);
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, token_);
       }
       if (((bitField0_ & 0x00000004) != 0)) {
         output.writeFloat(2, logProbability_);
@@ -380,7 +390,7 @@ public int getSerializedSize() {
 
       size = 0;
       if (((bitField0_ & 0x00000001) != 0)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, token_);
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, token_);
       }
       if (((bitField0_ & 0x00000004) != 0)) {
         size += com.google.protobuf.CodedOutputStream.computeFloatSize(2, logProbability_);
@@ -482,38 +492,38 @@ public static com.google.cloud.vertexai.api.LogprobsResult.Candidate parseFrom(
 
     public static com.google.cloud.vertexai.api.LogprobsResult.Candidate parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.LogprobsResult.Candidate parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.LogprobsResult.Candidate parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.LogprobsResult.Candidate parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.LogprobsResult.Candidate parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.LogprobsResult.Candidate parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -537,8 +547,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -552,8 +561,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.LogprobsResult.Candidate}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.LogprobsResult.Candidate)
         com.google.cloud.vertexai.api.LogprobsResult.CandidateOrBuilder {
@@ -563,7 +571,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ContentProto
             .internal_static_google_cloud_vertexai_v1_LogprobsResult_Candidate_fieldAccessorTable
@@ -575,7 +583,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // Construct using com.google.cloud.vertexai.api.LogprobsResult.Candidate.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -638,41 +646,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.LogprobsResult.Candidat
         result.bitField0_ |= to_bitField0_;
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.LogprobsResult.Candidate) {
@@ -1030,18 +1003,6 @@ public Builder clearLogProbability() {
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.LogprobsResult.Candidate)
     }
 
@@ -1166,14 +1127,24 @@ com.google.cloud.vertexai.api.LogprobsResult.CandidateOrBuilder getCandidatesOrB
    *
    * Protobuf type {@code google.cloud.vertexai.v1.LogprobsResult.TopCandidates}
    */
-  public static final class TopCandidates extends com.google.protobuf.GeneratedMessageV3
+  public static final class TopCandidates extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.LogprobsResult.TopCandidates)
       TopCandidatesOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "TopCandidates");
+    }
+
     // Use TopCandidates.newBuilder() to construct.
-    private TopCandidates(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private TopCandidates(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -1181,19 +1152,13 @@ private TopCandidates() {
       candidates_ = java.util.Collections.emptyList();
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new TopCandidates();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_LogprobsResult_TopCandidates_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_LogprobsResult_TopCandidates_fieldAccessorTable
@@ -1383,38 +1348,38 @@ public static com.google.cloud.vertexai.api.LogprobsResult.TopCandidates parseFr
 
     public static com.google.cloud.vertexai.api.LogprobsResult.TopCandidates parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.LogprobsResult.TopCandidates parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.LogprobsResult.TopCandidates parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.LogprobsResult.TopCandidates parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.LogprobsResult.TopCandidates parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.LogprobsResult.TopCandidates parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -1438,8 +1403,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -1453,8 +1417,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.LogprobsResult.TopCandidates}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.LogprobsResult.TopCandidates)
         com.google.cloud.vertexai.api.LogprobsResult.TopCandidatesOrBuilder {
@@ -1464,7 +1427,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ContentProto
             .internal_static_google_cloud_vertexai_v1_LogprobsResult_TopCandidates_fieldAccessorTable
@@ -1476,7 +1439,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // Construct using com.google.cloud.vertexai.api.LogprobsResult.TopCandidates.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -1545,41 +1508,6 @@ private void buildPartial0(
         int from_bitField0_ = bitField0_;
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.LogprobsResult.TopCandidates) {
@@ -1613,8 +1541,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.LogprobsResult.TopCandida
               candidates_ = other.candidates_;
               bitField0_ = (bitField0_ & ~0x00000001);
               candidatesBuilder_ =
-                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                      ? getCandidatesFieldBuilder()
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetCandidatesFieldBuilder()
                       : null;
             } else {
               candidatesBuilder_.addAllMessages(other.candidates_);
@@ -1692,7 +1620,7 @@ private void ensureCandidatesIsMutable() {
         }
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.cloud.vertexai.api.LogprobsResult.Candidate,
               com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder,
               com.google.cloud.vertexai.api.LogprobsResult.CandidateOrBuilder>
@@ -1959,7 +1887,7 @@ public Builder removeCandidates(int index) {
        */
       public com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder getCandidatesBuilder(
           int index) {
-        return getCandidatesFieldBuilder().getBuilder(index);
+        return internalGetCandidatesFieldBuilder().getBuilder(index);
       }
 
       /**
@@ -2009,7 +1937,7 @@ public com.google.cloud.vertexai.api.LogprobsResult.CandidateOrBuilder getCandid
        * <code>repeated .google.cloud.vertexai.v1.LogprobsResult.Candidate candidates = 1;</code>
        */
       public com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder addCandidatesBuilder() {
-        return getCandidatesFieldBuilder()
+        return internalGetCandidatesFieldBuilder()
             .addBuilder(
                 com.google.cloud.vertexai.api.LogprobsResult.Candidate.getDefaultInstance());
       }
@@ -2025,7 +1953,7 @@ public com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder addCandida
        */
       public com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder addCandidatesBuilder(
           int index) {
-        return getCandidatesFieldBuilder()
+        return internalGetCandidatesFieldBuilder()
             .addBuilder(
                 index, com.google.cloud.vertexai.api.LogprobsResult.Candidate.getDefaultInstance());
       }
@@ -2041,17 +1969,17 @@ public com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder addCandida
        */
       public java.util.List<com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder>
           getCandidatesBuilderList() {
-        return getCandidatesFieldBuilder().getBuilderList();
+        return internalGetCandidatesFieldBuilder().getBuilderList();
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.cloud.vertexai.api.LogprobsResult.Candidate,
               com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder,
               com.google.cloud.vertexai.api.LogprobsResult.CandidateOrBuilder>
-          getCandidatesFieldBuilder() {
+          internalGetCandidatesFieldBuilder() {
         if (candidatesBuilder_ == null) {
           candidatesBuilder_ =
-              new com.google.protobuf.RepeatedFieldBuilderV3<
+              new com.google.protobuf.RepeatedFieldBuilder<
                   com.google.cloud.vertexai.api.LogprobsResult.Candidate,
                   com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder,
                   com.google.cloud.vertexai.api.LogprobsResult.CandidateOrBuilder>(
@@ -2061,18 +1989,6 @@ public com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder addCandida
         return candidatesBuilder_;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.LogprobsResult.TopCandidates)
     }
 
@@ -2407,38 +2323,38 @@ public static com.google.cloud.vertexai.api.LogprobsResult parseFrom(
 
   public static com.google.cloud.vertexai.api.LogprobsResult parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.LogprobsResult parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.LogprobsResult parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.LogprobsResult parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.LogprobsResult parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.LogprobsResult parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -2461,7 +2377,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -2475,7 +2391,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.LogprobsResult}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.LogprobsResult)
       com.google.cloud.vertexai.api.LogprobsResultOrBuilder {
@@ -2485,7 +2401,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_LogprobsResult_fieldAccessorTable
@@ -2497,7 +2413,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.LogprobsResult.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -2579,39 +2495,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.LogprobsResult result)
       int from_bitField0_ = bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.LogprobsResult) {
@@ -2643,8 +2526,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.LogprobsResult other) {
             topCandidates_ = other.topCandidates_;
             bitField0_ = (bitField0_ & ~0x00000001);
             topCandidatesBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getTopCandidatesFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetTopCandidatesFieldBuilder()
                     : null;
           } else {
             topCandidatesBuilder_.addAllMessages(other.topCandidates_);
@@ -2670,8 +2553,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.LogprobsResult other) {
             chosenCandidates_ = other.chosenCandidates_;
             bitField0_ = (bitField0_ & ~0x00000002);
             chosenCandidatesBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getChosenCandidatesFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetChosenCandidatesFieldBuilder()
                     : null;
           } else {
             chosenCandidatesBuilder_.addAllMessages(other.chosenCandidates_);
@@ -2763,7 +2646,7 @@ private void ensureTopCandidatesIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.LogprobsResult.TopCandidates,
             com.google.cloud.vertexai.api.LogprobsResult.TopCandidates.Builder,
             com.google.cloud.vertexai.api.LogprobsResult.TopCandidatesOrBuilder>
@@ -3044,7 +2927,7 @@ public Builder removeTopCandidates(int index) {
      */
     public com.google.cloud.vertexai.api.LogprobsResult.TopCandidates.Builder
         getTopCandidatesBuilder(int index) {
-      return getTopCandidatesFieldBuilder().getBuilder(index);
+      return internalGetTopCandidatesFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -3098,7 +2981,7 @@ public Builder removeTopCandidates(int index) {
      */
     public com.google.cloud.vertexai.api.LogprobsResult.TopCandidates.Builder
         addTopCandidatesBuilder() {
-      return getTopCandidatesFieldBuilder()
+      return internalGetTopCandidatesFieldBuilder()
           .addBuilder(
               com.google.cloud.vertexai.api.LogprobsResult.TopCandidates.getDefaultInstance());
     }
@@ -3115,7 +2998,7 @@ public Builder removeTopCandidates(int index) {
      */
     public com.google.cloud.vertexai.api.LogprobsResult.TopCandidates.Builder
         addTopCandidatesBuilder(int index) {
-      return getTopCandidatesFieldBuilder()
+      return internalGetTopCandidatesFieldBuilder()
           .addBuilder(
               index,
               com.google.cloud.vertexai.api.LogprobsResult.TopCandidates.getDefaultInstance());
@@ -3133,17 +3016,17 @@ public Builder removeTopCandidates(int index) {
      */
     public java.util.List<com.google.cloud.vertexai.api.LogprobsResult.TopCandidates.Builder>
         getTopCandidatesBuilderList() {
-      return getTopCandidatesFieldBuilder().getBuilderList();
+      return internalGetTopCandidatesFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.LogprobsResult.TopCandidates,
             com.google.cloud.vertexai.api.LogprobsResult.TopCandidates.Builder,
             com.google.cloud.vertexai.api.LogprobsResult.TopCandidatesOrBuilder>
-        getTopCandidatesFieldBuilder() {
+        internalGetTopCandidatesFieldBuilder() {
       if (topCandidatesBuilder_ == null) {
         topCandidatesBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.LogprobsResult.TopCandidates,
                 com.google.cloud.vertexai.api.LogprobsResult.TopCandidates.Builder,
                 com.google.cloud.vertexai.api.LogprobsResult.TopCandidatesOrBuilder>(
@@ -3168,7 +3051,7 @@ private void ensureChosenCandidatesIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.LogprobsResult.Candidate,
             com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder,
             com.google.cloud.vertexai.api.LogprobsResult.CandidateOrBuilder>
@@ -3460,7 +3343,7 @@ public Builder removeChosenCandidates(int index) {
      */
     public com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder
         getChosenCandidatesBuilder(int index) {
-      return getChosenCandidatesFieldBuilder().getBuilder(index);
+      return internalGetChosenCandidatesFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -3516,7 +3399,7 @@ public Builder removeChosenCandidates(int index) {
      */
     public com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder
         addChosenCandidatesBuilder() {
-      return getChosenCandidatesFieldBuilder()
+      return internalGetChosenCandidatesFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.LogprobsResult.Candidate.getDefaultInstance());
     }
 
@@ -3533,7 +3416,7 @@ public Builder removeChosenCandidates(int index) {
      */
     public com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder
         addChosenCandidatesBuilder(int index) {
-      return getChosenCandidatesFieldBuilder()
+      return internalGetChosenCandidatesFieldBuilder()
           .addBuilder(
               index, com.google.cloud.vertexai.api.LogprobsResult.Candidate.getDefaultInstance());
     }
@@ -3551,17 +3434,17 @@ public Builder removeChosenCandidates(int index) {
      */
     public java.util.List<com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder>
         getChosenCandidatesBuilderList() {
-      return getChosenCandidatesFieldBuilder().getBuilderList();
+      return internalGetChosenCandidatesFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.LogprobsResult.Candidate,
             com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder,
             com.google.cloud.vertexai.api.LogprobsResult.CandidateOrBuilder>
-        getChosenCandidatesFieldBuilder() {
+        internalGetChosenCandidatesFieldBuilder() {
       if (chosenCandidatesBuilder_ == null) {
         chosenCandidatesBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.LogprobsResult.Candidate,
                 com.google.cloud.vertexai.api.LogprobsResult.Candidate.Builder,
                 com.google.cloud.vertexai.api.LogprobsResult.CandidateOrBuilder>(
@@ -3574,17 +3457,6 @@ public Builder removeChosenCandidates(int index) {
       return chosenCandidatesBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.LogprobsResult)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LogprobsResultOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LogprobsResultOrBuilder.java
index 968d9a78942e..3340a2fc94a1 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LogprobsResultOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/LogprobsResultOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface LogprobsResultOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.LogprobsResult)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MachineResourcesProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MachineResourcesProto.java
index ee2da51ae26b..87f61faf621a 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MachineResourcesProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MachineResourcesProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class MachineResourcesProto {
+@com.google.protobuf.Generated
+public final class MachineResourcesProto extends com.google.protobuf.GeneratedFile {
   private MachineResourcesProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "MachineResourcesProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,43 +42,43 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_MachineSpec_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_MachineSpec_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DedicatedResources_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DedicatedResources_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_AutomaticResources_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_AutomaticResources_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_BatchDedicatedResources_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_BatchDedicatedResources_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ResourcesConsumed_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ResourcesConsumed_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DiskSpec_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DiskSpec_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_PersistentDiskSpec_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_PersistentDiskSpec_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_NfsMount_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_NfsMount_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_AutoscalingMetricSpec_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_AutoscalingMetricSpec_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ShieldedVmConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ShieldedVmConfig_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -77,47 +89,59 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
 
   static {
     java.lang.String[] descriptorData = {
-      "\n0google/cloud/vertexai/v1/machine_resou"
+      "\n"
+          + "0google/cloud/vertexai/v1/machine_resou"
           + "rces.proto\022\030google.cloud.vertexai.v1\032\037go"
-          + "ogle/api/field_behavior.proto\032/google/cl"
-          + "oud/vertexai/v1/accelerator_type.proto\0323"
-          + "google/cloud/vertexai/v1/reservation_aff"
-          + "inity.proto\"\375\001\n\013MachineSpec\022\031\n\014machine_t"
-          + "ype\030\001 \001(\tB\003\340A\005\022H\n\020accelerator_type\030\002 \001(\016"
-          + "2).google.cloud.vertexai.v1.AcceleratorT"
-          + "ypeB\003\340A\005\022\031\n\021accelerator_count\030\003 \001(\005\022\031\n\014t"
-          + "pu_topology\030\004 \001(\tB\003\340A\005\022S\n\024reservation_af"
-          + "finity\030\005 \001(\0132-.google.cloud.vertexai.v1."
-          + "ReservationAffinityB\006\340A\005\340A\001\"\254\002\n\022Dedicate"
-          + "dResources\022C\n\014machine_spec\030\001 \001(\0132%.googl"
-          + "e.cloud.vertexai.v1.MachineSpecB\006\340A\002\340A\005\022"
-          + "!\n\021min_replica_count\030\002 \001(\005B\006\340A\002\340A\005\022\036\n\021ma"
-          + "x_replica_count\030\003 \001(\005B\003\340A\005\022#\n\026required_r"
-          + "eplica_count\030\t \001(\005B\003\340A\001\022V\n\030autoscaling_m"
-          + "etric_specs\030\004 \003(\0132/.google.cloud.vertexa"
-          + "i.v1.AutoscalingMetricSpecB\003\340A\005\022\021\n\004spot\030"
-          + "\005 \001(\010B\003\340A\001\"T\n\022AutomaticResources\022\036\n\021min_"
-          + "replica_count\030\001 \001(\005B\003\340A\005\022\036\n\021max_replica_"
-          + "count\030\002 \001(\005B\003\340A\005\"\243\001\n\027BatchDedicatedResou"
-          + "rces\022C\n\014machine_spec\030\001 \001(\0132%.google.clou"
-          + "d.vertexai.v1.MachineSpecB\006\340A\002\340A\005\022#\n\026sta"
-          + "rting_replica_count\030\002 \001(\005B\003\340A\005\022\036\n\021max_re"
-          + "plica_count\030\003 \001(\005B\003\340A\005\"/\n\021ResourcesConsu"
-          + "med\022\032\n\rreplica_hours\030\001 \001(\001B\003\340A\003\"=\n\010DiskS"
-          + "pec\022\026\n\016boot_disk_type\030\001 \001(\t\022\031\n\021boot_disk"
-          + "_size_gb\030\002 \001(\005\"=\n\022PersistentDiskSpec\022\021\n\t"
-          + "disk_type\030\001 \001(\t\022\024\n\014disk_size_gb\030\002 \001(\003\"L\n"
-          + "\010NfsMount\022\023\n\006server\030\001 \001(\tB\003\340A\002\022\021\n\004path\030\002"
-          + " \001(\tB\003\340A\002\022\030\n\013mount_point\030\003 \001(\tB\003\340A\002\"A\n\025A"
-          + "utoscalingMetricSpec\022\030\n\013metric_name\030\001 \001("
-          + "\tB\003\340A\002\022\016\n\006target\030\002 \001(\005\".\n\020ShieldedVmConf"
-          + "ig\022\032\n\022enable_secure_boot\030\001 \001(\010B\322\001\n\035com.g"
-          + "oogle.cloud.vertexai.apiB\025MachineResourc"
-          + "esProtoP\001Z>cloud.google.com/go/aiplatfor"
-          + "m/apiv1/aiplatformpb;aiplatformpb\252\002\032Goog"
-          + "le.Cloud.AIPlatform.V1\312\002\032Google\\Cloud\\AI"
-          + "Platform\\V1\352\002\035Google::Cloud::AIPlatform:"
-          + ":V1b\006proto3"
+          + "ogle/api/field_behavior.proto\032/google/cloud/vertexai/v1/accelerator_type.proto\0323"
+          + "google/cloud/vertexai/v1/reservation_affinity.proto\"\241\002\n"
+          + "\013MachineSpec\022\031\n"
+          + "\014machine_type\030\001 \001(\tB\003\340A\005\022H\n"
+          + "\020accelerator_type\030\002 \001(\016"
+          + "2).google.cloud.vertexai.v1.AcceleratorTypeB\003\340A\005\022\031\n"
+          + "\021accelerator_count\030\003 \001(\005\022\"\n"
+          + "\022gpu_partition_size\030\007 \001(\tB\006\340A\005\340A\001\022\031\n"
+          + "\014tpu_topology\030\004 \001(\tB\003\340A\005\022S\n"
+          + "\024reservation_affinity\030\005"
+          + " \001(\0132-.google.cloud.vertexai.v1.ReservationAffinityB\006\340A\005\340A\001\"\254\002\n"
+          + "\022DedicatedResources\022C\n"
+          + "\014machine_spec\030\001"
+          + " \001(\0132%.google.cloud.vertexai.v1.MachineSpecB\006\340A\002\340A\005\022!\n"
+          + "\021min_replica_count\030\002 \001(\005B\006\340A\002\340A\005\022\036\n"
+          + "\021max_replica_count\030\003 \001(\005B\003\340A\005\022#\n"
+          + "\026required_replica_count\030\t \001(\005B\003\340A\001\022V\n"
+          + "\030autoscaling_metric_specs\030\004"
+          + " \003(\0132/.google.cloud.vertexai.v1.AutoscalingMetricSpecB\003\340A\005\022\021\n"
+          + "\004spot\030\005 \001(\010B\003\340A\001\"T\n"
+          + "\022AutomaticResources\022\036\n"
+          + "\021min_replica_count\030\001 \001(\005B\003\340A\005\022\036\n"
+          + "\021max_replica_count\030\002 \001(\005B\003\340A\005\"\243\001\n"
+          + "\027BatchDedicatedResources\022C\n"
+          + "\014machine_spec\030\001"
+          + " \001(\0132%.google.cloud.vertexai.v1.MachineSpecB\006\340A\002\340A\005\022#\n"
+          + "\026starting_replica_count\030\002 \001(\005B\003\340A\005\022\036\n"
+          + "\021max_replica_count\030\003 \001(\005B\003\340A\005\"/\n"
+          + "\021ResourcesConsumed\022\032\n\r"
+          + "replica_hours\030\001 \001(\001B\003\340A\003\"=\n"
+          + "\010DiskSpec\022\026\n"
+          + "\016boot_disk_type\030\001 \001(\t\022\031\n"
+          + "\021boot_disk_size_gb\030\002 \001(\005\"=\n"
+          + "\022PersistentDiskSpec\022\021\n"
+          + "\tdisk_type\030\001 \001(\t\022\024\n"
+          + "\014disk_size_gb\030\002 \001(\003\"L\n"
+          + "\010NfsMount\022\023\n"
+          + "\006server\030\001 \001(\tB\003\340A\002\022\021\n"
+          + "\004path\030\002 \001(\tB\003\340A\002\022\030\n"
+          + "\013mount_point\030\003 \001(\tB\003\340A\002\"A\n"
+          + "\025AutoscalingMetricSpec\022\030\n"
+          + "\013metric_name\030\001 \001(\tB\003\340A\002\022\016\n"
+          + "\006target\030\002 \001(\005\".\n"
+          + "\020ShieldedVmConfig\022\032\n"
+          + "\022enable_secure_boot\030\001 \001(\010B\322\001\n"
+          + "\035com.google.cloud.vertexai.apiB\025MachineResourcesPr"
+          + "otoP\001Z>cloud.google.com/go/aiplatform/ap"
+          + "iv1/aiplatformpb;aiplatformpb\252\002\032Google.C"
+          + "loud.AIPlatform.V1\312\002\032Google\\Cloud\\AIPlat"
+          + "form\\V1\352\002\035Google::Cloud::AIPlatform::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -128,21 +152,22 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.cloud.vertexai.api.ReservationAffinityProto.getDescriptor(),
             });
     internal_static_google_cloud_vertexai_v1_MachineSpec_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+        getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_MachineSpec_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_MachineSpec_descriptor,
             new java.lang.String[] {
               "MachineType",
               "AcceleratorType",
               "AcceleratorCount",
+              "GpuPartitionSize",
               "TpuTopology",
               "ReservationAffinity",
             });
     internal_static_google_cloud_vertexai_v1_DedicatedResources_descriptor =
-        getDescriptor().getMessageTypes().get(1);
+        getDescriptor().getMessageType(1);
     internal_static_google_cloud_vertexai_v1_DedicatedResources_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_DedicatedResources_descriptor,
             new java.lang.String[] {
               "MachineSpec",
@@ -153,77 +178,78 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Spot",
             });
     internal_static_google_cloud_vertexai_v1_AutomaticResources_descriptor =
-        getDescriptor().getMessageTypes().get(2);
+        getDescriptor().getMessageType(2);
     internal_static_google_cloud_vertexai_v1_AutomaticResources_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_AutomaticResources_descriptor,
             new java.lang.String[] {
               "MinReplicaCount", "MaxReplicaCount",
             });
     internal_static_google_cloud_vertexai_v1_BatchDedicatedResources_descriptor =
-        getDescriptor().getMessageTypes().get(3);
+        getDescriptor().getMessageType(3);
     internal_static_google_cloud_vertexai_v1_BatchDedicatedResources_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_BatchDedicatedResources_descriptor,
             new java.lang.String[] {
               "MachineSpec", "StartingReplicaCount", "MaxReplicaCount",
             });
     internal_static_google_cloud_vertexai_v1_ResourcesConsumed_descriptor =
-        getDescriptor().getMessageTypes().get(4);
+        getDescriptor().getMessageType(4);
     internal_static_google_cloud_vertexai_v1_ResourcesConsumed_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ResourcesConsumed_descriptor,
             new java.lang.String[] {
               "ReplicaHours",
             });
     internal_static_google_cloud_vertexai_v1_DiskSpec_descriptor =
-        getDescriptor().getMessageTypes().get(5);
+        getDescriptor().getMessageType(5);
     internal_static_google_cloud_vertexai_v1_DiskSpec_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_DiskSpec_descriptor,
             new java.lang.String[] {
               "BootDiskType", "BootDiskSizeGb",
             });
     internal_static_google_cloud_vertexai_v1_PersistentDiskSpec_descriptor =
-        getDescriptor().getMessageTypes().get(6);
+        getDescriptor().getMessageType(6);
     internal_static_google_cloud_vertexai_v1_PersistentDiskSpec_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_PersistentDiskSpec_descriptor,
             new java.lang.String[] {
               "DiskType", "DiskSizeGb",
             });
     internal_static_google_cloud_vertexai_v1_NfsMount_descriptor =
-        getDescriptor().getMessageTypes().get(7);
+        getDescriptor().getMessageType(7);
     internal_static_google_cloud_vertexai_v1_NfsMount_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_NfsMount_descriptor,
             new java.lang.String[] {
               "Server", "Path", "MountPoint",
             });
     internal_static_google_cloud_vertexai_v1_AutoscalingMetricSpec_descriptor =
-        getDescriptor().getMessageTypes().get(8);
+        getDescriptor().getMessageType(8);
     internal_static_google_cloud_vertexai_v1_AutoscalingMetricSpec_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_AutoscalingMetricSpec_descriptor,
             new java.lang.String[] {
               "MetricName", "Target",
             });
     internal_static_google_cloud_vertexai_v1_ShieldedVmConfig_descriptor =
-        getDescriptor().getMessageTypes().get(9);
+        getDescriptor().getMessageType(9);
     internal_static_google_cloud_vertexai_v1_ShieldedVmConfig_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ShieldedVmConfig_descriptor,
             new java.lang.String[] {
               "EnableSecureBoot",
             });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.cloud.vertexai.api.AcceleratorTypeProto.getDescriptor();
+    com.google.cloud.vertexai.api.ReservationAffinityProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.cloud.vertexai.api.AcceleratorTypeProto.getDescriptor();
-    com.google.cloud.vertexai.api.ReservationAffinityProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MachineSpec.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MachineSpec.java
index b700ad8fc172..ec0ddd3d2b16 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MachineSpec.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MachineSpec.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,36 +29,42 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.MachineSpec}
  */
-public final class MachineSpec extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class MachineSpec extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.MachineSpec)
     MachineSpecOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "MachineSpec");
+  }
+
   // Use MachineSpec.newBuilder() to construct.
-  private MachineSpec(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private MachineSpec(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private MachineSpec() {
     machineType_ = "";
     acceleratorType_ = 0;
+    gpuPartitionSize_ = "";
     tpuTopology_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new MachineSpec();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_MachineSpec_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_MachineSpec_fieldAccessorTable
@@ -208,6 +215,89 @@ public int getAcceleratorCount() {
     return acceleratorCount_;
   }
 
+  public static final int GPU_PARTITION_SIZE_FIELD_NUMBER = 7;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object gpuPartitionSize_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The Nvidia GPU partition size.
+   *
+   * When specified, the requested accelerators will be partitioned into
+   * smaller GPU partitions. For example, if the request is for 8 units of
+   * NVIDIA A100 GPUs, and gpu_partition_size="1g.10gb", the service will
+   * create 8 * 7 = 56 partitioned MIG instances.
+   *
+   * The partition size must be a value supported by the requested accelerator.
+   * Refer to
+   * [Nvidia GPU
+   * Partitioning](https://cloud.google.com/kubernetes-engine/docs/how-to/gpus-multi#multi-instance_gpu_partitions)
+   * for the available partition sizes.
+   *
+   * If set, the accelerator_count should be set to 1.
+   * </pre>
+   *
+   * <code>
+   * string gpu_partition_size = 7 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The gpuPartitionSize.
+   */
+  @java.lang.Override
+  public java.lang.String getGpuPartitionSize() {
+    java.lang.Object ref = gpuPartitionSize_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      gpuPartitionSize_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The Nvidia GPU partition size.
+   *
+   * When specified, the requested accelerators will be partitioned into
+   * smaller GPU partitions. For example, if the request is for 8 units of
+   * NVIDIA A100 GPUs, and gpu_partition_size="1g.10gb", the service will
+   * create 8 * 7 = 56 partitioned MIG instances.
+   *
+   * The partition size must be a value supported by the requested accelerator.
+   * Refer to
+   * [Nvidia GPU
+   * Partitioning](https://cloud.google.com/kubernetes-engine/docs/how-to/gpus-multi#multi-instance_gpu_partitions)
+   * for the available partition sizes.
+   *
+   * If set, the accelerator_count should be set to 1.
+   * </pre>
+   *
+   * <code>
+   * string gpu_partition_size = 7 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The bytes for gpuPartitionSize.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getGpuPartitionSizeBytes() {
+    java.lang.Object ref = gpuPartitionSize_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      gpuPartitionSize_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
   public static final int TPU_TOPOLOGY_FIELD_NUMBER = 4;
 
   @SuppressWarnings("serial")
@@ -340,8 +430,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(machineType_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, machineType_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(machineType_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, machineType_);
     }
     if (acceleratorType_
         != com.google.cloud.vertexai.api.AcceleratorType.ACCELERATOR_TYPE_UNSPECIFIED.getNumber()) {
@@ -350,12 +440,15 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (acceleratorCount_ != 0) {
       output.writeInt32(3, acceleratorCount_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(tpuTopology_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, tpuTopology_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(tpuTopology_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 4, tpuTopology_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(5, getReservationAffinity());
     }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(gpuPartitionSize_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 7, gpuPartitionSize_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -365,8 +458,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(machineType_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, machineType_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(machineType_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, machineType_);
     }
     if (acceleratorType_
         != com.google.cloud.vertexai.api.AcceleratorType.ACCELERATOR_TYPE_UNSPECIFIED.getNumber()) {
@@ -375,12 +468,15 @@ public int getSerializedSize() {
     if (acceleratorCount_ != 0) {
       size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, acceleratorCount_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(tpuTopology_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, tpuTopology_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(tpuTopology_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(4, tpuTopology_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(5, getReservationAffinity());
     }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(gpuPartitionSize_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(7, gpuPartitionSize_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -400,6 +496,7 @@ public boolean equals(final java.lang.Object obj) {
     if (!getMachineType().equals(other.getMachineType())) return false;
     if (acceleratorType_ != other.acceleratorType_) return false;
     if (getAcceleratorCount() != other.getAcceleratorCount()) return false;
+    if (!getGpuPartitionSize().equals(other.getGpuPartitionSize())) return false;
     if (!getTpuTopology().equals(other.getTpuTopology())) return false;
     if (hasReservationAffinity() != other.hasReservationAffinity()) return false;
     if (hasReservationAffinity()) {
@@ -422,6 +519,8 @@ public int hashCode() {
     hash = (53 * hash) + acceleratorType_;
     hash = (37 * hash) + ACCELERATOR_COUNT_FIELD_NUMBER;
     hash = (53 * hash) + getAcceleratorCount();
+    hash = (37 * hash) + GPU_PARTITION_SIZE_FIELD_NUMBER;
+    hash = (53 * hash) + getGpuPartitionSize().hashCode();
     hash = (37 * hash) + TPU_TOPOLOGY_FIELD_NUMBER;
     hash = (53 * hash) + getTpuTopology().hashCode();
     if (hasReservationAffinity()) {
@@ -470,38 +569,38 @@ public static com.google.cloud.vertexai.api.MachineSpec parseFrom(
 
   public static com.google.cloud.vertexai.api.MachineSpec parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.MachineSpec parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.MachineSpec parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.MachineSpec parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.MachineSpec parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.MachineSpec parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -524,7 +623,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -538,7 +637,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.MachineSpec}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.MachineSpec)
       com.google.cloud.vertexai.api.MachineSpecOrBuilder {
@@ -548,7 +647,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.MachineResourcesProto
           .internal_static_google_cloud_vertexai_v1_MachineSpec_fieldAccessorTable
@@ -562,14 +661,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getReservationAffinityFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetReservationAffinityFieldBuilder();
       }
     }
 
@@ -580,6 +679,7 @@ public Builder clear() {
       machineType_ = "";
       acceleratorType_ = 0;
       acceleratorCount_ = 0;
+      gpuPartitionSize_ = "";
       tpuTopology_ = "";
       reservationAffinity_ = null;
       if (reservationAffinityBuilder_ != null) {
@@ -632,10 +732,13 @@ private void buildPartial0(com.google.cloud.vertexai.api.MachineSpec result) {
         result.acceleratorCount_ = acceleratorCount_;
       }
       if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.gpuPartitionSize_ = gpuPartitionSize_;
+      }
+      if (((from_bitField0_ & 0x00000010) != 0)) {
         result.tpuTopology_ = tpuTopology_;
       }
       int to_bitField0_ = 0;
-      if (((from_bitField0_ & 0x00000010) != 0)) {
+      if (((from_bitField0_ & 0x00000020) != 0)) {
         result.reservationAffinity_ =
             reservationAffinityBuilder_ == null
                 ? reservationAffinity_
@@ -645,39 +748,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.MachineSpec result) {
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.MachineSpec) {
@@ -701,9 +771,14 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.MachineSpec other) {
       if (other.getAcceleratorCount() != 0) {
         setAcceleratorCount(other.getAcceleratorCount());
       }
+      if (!other.getGpuPartitionSize().isEmpty()) {
+        gpuPartitionSize_ = other.gpuPartitionSize_;
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
       if (!other.getTpuTopology().isEmpty()) {
         tpuTopology_ = other.tpuTopology_;
-        bitField0_ |= 0x00000008;
+        bitField0_ |= 0x00000010;
         onChanged();
       }
       if (other.hasReservationAffinity()) {
@@ -756,16 +831,22 @@ public Builder mergeFrom(
             case 34:
               {
                 tpuTopology_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000008;
+                bitField0_ |= 0x00000010;
                 break;
               } // case 34
             case 42:
               {
                 input.readMessage(
-                    getReservationAffinityFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000010;
+                    internalGetReservationAffinityFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000020;
                 break;
               } // case 42
+            case 58:
+              {
+                gpuPartitionSize_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 58
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -1127,6 +1208,192 @@ public Builder clearAcceleratorCount() {
       return this;
     }
 
+    private java.lang.Object gpuPartitionSize_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The Nvidia GPU partition size.
+     *
+     * When specified, the requested accelerators will be partitioned into
+     * smaller GPU partitions. For example, if the request is for 8 units of
+     * NVIDIA A100 GPUs, and gpu_partition_size="1g.10gb", the service will
+     * create 8 * 7 = 56 partitioned MIG instances.
+     *
+     * The partition size must be a value supported by the requested accelerator.
+     * Refer to
+     * [Nvidia GPU
+     * Partitioning](https://cloud.google.com/kubernetes-engine/docs/how-to/gpus-multi#multi-instance_gpu_partitions)
+     * for the available partition sizes.
+     *
+     * If set, the accelerator_count should be set to 1.
+     * </pre>
+     *
+     * <code>
+     * string gpu_partition_size = 7 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The gpuPartitionSize.
+     */
+    public java.lang.String getGpuPartitionSize() {
+      java.lang.Object ref = gpuPartitionSize_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        gpuPartitionSize_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The Nvidia GPU partition size.
+     *
+     * When specified, the requested accelerators will be partitioned into
+     * smaller GPU partitions. For example, if the request is for 8 units of
+     * NVIDIA A100 GPUs, and gpu_partition_size="1g.10gb", the service will
+     * create 8 * 7 = 56 partitioned MIG instances.
+     *
+     * The partition size must be a value supported by the requested accelerator.
+     * Refer to
+     * [Nvidia GPU
+     * Partitioning](https://cloud.google.com/kubernetes-engine/docs/how-to/gpus-multi#multi-instance_gpu_partitions)
+     * for the available partition sizes.
+     *
+     * If set, the accelerator_count should be set to 1.
+     * </pre>
+     *
+     * <code>
+     * string gpu_partition_size = 7 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The bytes for gpuPartitionSize.
+     */
+    public com.google.protobuf.ByteString getGpuPartitionSizeBytes() {
+      java.lang.Object ref = gpuPartitionSize_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        gpuPartitionSize_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The Nvidia GPU partition size.
+     *
+     * When specified, the requested accelerators will be partitioned into
+     * smaller GPU partitions. For example, if the request is for 8 units of
+     * NVIDIA A100 GPUs, and gpu_partition_size="1g.10gb", the service will
+     * create 8 * 7 = 56 partitioned MIG instances.
+     *
+     * The partition size must be a value supported by the requested accelerator.
+     * Refer to
+     * [Nvidia GPU
+     * Partitioning](https://cloud.google.com/kubernetes-engine/docs/how-to/gpus-multi#multi-instance_gpu_partitions)
+     * for the available partition sizes.
+     *
+     * If set, the accelerator_count should be set to 1.
+     * </pre>
+     *
+     * <code>
+     * string gpu_partition_size = 7 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The gpuPartitionSize to set.
+     * @return This builder for chaining.
+     */
+    public Builder setGpuPartitionSize(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      gpuPartitionSize_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The Nvidia GPU partition size.
+     *
+     * When specified, the requested accelerators will be partitioned into
+     * smaller GPU partitions. For example, if the request is for 8 units of
+     * NVIDIA A100 GPUs, and gpu_partition_size="1g.10gb", the service will
+     * create 8 * 7 = 56 partitioned MIG instances.
+     *
+     * The partition size must be a value supported by the requested accelerator.
+     * Refer to
+     * [Nvidia GPU
+     * Partitioning](https://cloud.google.com/kubernetes-engine/docs/how-to/gpus-multi#multi-instance_gpu_partitions)
+     * for the available partition sizes.
+     *
+     * If set, the accelerator_count should be set to 1.
+     * </pre>
+     *
+     * <code>
+     * string gpu_partition_size = 7 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearGpuPartitionSize() {
+      gpuPartitionSize_ = getDefaultInstance().getGpuPartitionSize();
+      bitField0_ = (bitField0_ & ~0x00000008);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The Nvidia GPU partition size.
+     *
+     * When specified, the requested accelerators will be partitioned into
+     * smaller GPU partitions. For example, if the request is for 8 units of
+     * NVIDIA A100 GPUs, and gpu_partition_size="1g.10gb", the service will
+     * create 8 * 7 = 56 partitioned MIG instances.
+     *
+     * The partition size must be a value supported by the requested accelerator.
+     * Refer to
+     * [Nvidia GPU
+     * Partitioning](https://cloud.google.com/kubernetes-engine/docs/how-to/gpus-multi#multi-instance_gpu_partitions)
+     * for the available partition sizes.
+     *
+     * If set, the accelerator_count should be set to 1.
+     * </pre>
+     *
+     * <code>
+     * string gpu_partition_size = 7 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param value The bytes for gpuPartitionSize to set.
+     * @return This builder for chaining.
+     */
+    public Builder setGpuPartitionSizeBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      gpuPartitionSize_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
     private java.lang.Object tpuTopology_ = "";
 
     /**
@@ -1195,7 +1462,7 @@ public Builder setTpuTopology(java.lang.String value) {
         throw new NullPointerException();
       }
       tpuTopology_ = value;
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000010;
       onChanged();
       return this;
     }
@@ -1214,7 +1481,7 @@ public Builder setTpuTopology(java.lang.String value) {
      */
     public Builder clearTpuTopology() {
       tpuTopology_ = getDefaultInstance().getTpuTopology();
-      bitField0_ = (bitField0_ & ~0x00000008);
+      bitField0_ = (bitField0_ & ~0x00000010);
       onChanged();
       return this;
     }
@@ -1238,13 +1505,13 @@ public Builder setTpuTopologyBytes(com.google.protobuf.ByteString value) {
       }
       checkByteStringIsUtf8(value);
       tpuTopology_ = value;
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000010;
       onChanged();
       return this;
     }
 
     private com.google.cloud.vertexai.api.ReservationAffinity reservationAffinity_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ReservationAffinity,
             com.google.cloud.vertexai.api.ReservationAffinity.Builder,
             com.google.cloud.vertexai.api.ReservationAffinityOrBuilder>
@@ -1265,7 +1532,7 @@ public Builder setTpuTopologyBytes(com.google.protobuf.ByteString value) {
      * @return Whether the reservationAffinity field is set.
      */
     public boolean hasReservationAffinity() {
-      return ((bitField0_ & 0x00000010) != 0);
+      return ((bitField0_ & 0x00000020) != 0);
     }
 
     /**
@@ -1313,7 +1580,7 @@ public Builder setReservationAffinity(com.google.cloud.vertexai.api.ReservationA
       } else {
         reservationAffinityBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00000010;
+      bitField0_ |= 0x00000020;
       onChanged();
       return this;
     }
@@ -1337,7 +1604,7 @@ public Builder setReservationAffinity(
       } else {
         reservationAffinityBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00000010;
+      bitField0_ |= 0x00000020;
       onChanged();
       return this;
     }
@@ -1357,7 +1624,7 @@ public Builder setReservationAffinity(
     public Builder mergeReservationAffinity(
         com.google.cloud.vertexai.api.ReservationAffinity value) {
       if (reservationAffinityBuilder_ == null) {
-        if (((bitField0_ & 0x00000010) != 0)
+        if (((bitField0_ & 0x00000020) != 0)
             && reservationAffinity_ != null
             && reservationAffinity_
                 != com.google.cloud.vertexai.api.ReservationAffinity.getDefaultInstance()) {
@@ -1369,7 +1636,7 @@ public Builder mergeReservationAffinity(
         reservationAffinityBuilder_.mergeFrom(value);
       }
       if (reservationAffinity_ != null) {
-        bitField0_ |= 0x00000010;
+        bitField0_ |= 0x00000020;
         onChanged();
       }
       return this;
@@ -1388,7 +1655,7 @@ public Builder mergeReservationAffinity(
      * </code>
      */
     public Builder clearReservationAffinity() {
-      bitField0_ = (bitField0_ & ~0x00000010);
+      bitField0_ = (bitField0_ & ~0x00000020);
       reservationAffinity_ = null;
       if (reservationAffinityBuilder_ != null) {
         reservationAffinityBuilder_.dispose();
@@ -1412,9 +1679,9 @@ public Builder clearReservationAffinity() {
      */
     public com.google.cloud.vertexai.api.ReservationAffinity.Builder
         getReservationAffinityBuilder() {
-      bitField0_ |= 0x00000010;
+      bitField0_ |= 0x00000020;
       onChanged();
-      return getReservationAffinityFieldBuilder().getBuilder();
+      return internalGetReservationAffinityFieldBuilder().getBuilder();
     }
 
     /**
@@ -1452,14 +1719,14 @@ public Builder clearReservationAffinity() {
      * .google.cloud.vertexai.v1.ReservationAffinity reservation_affinity = 5 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ReservationAffinity,
             com.google.cloud.vertexai.api.ReservationAffinity.Builder,
             com.google.cloud.vertexai.api.ReservationAffinityOrBuilder>
-        getReservationAffinityFieldBuilder() {
+        internalGetReservationAffinityFieldBuilder() {
       if (reservationAffinityBuilder_ == null) {
         reservationAffinityBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.ReservationAffinity,
                 com.google.cloud.vertexai.api.ReservationAffinity.Builder,
                 com.google.cloud.vertexai.api.ReservationAffinityOrBuilder>(
@@ -1469,17 +1736,6 @@ public Builder clearReservationAffinity() {
       return reservationAffinityBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.MachineSpec)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MachineSpecOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MachineSpecOrBuilder.java
index 4b0c6438bd5f..e5dbb54094a9 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MachineSpecOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MachineSpecOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface MachineSpecOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.MachineSpec)
@@ -121,6 +123,62 @@ public interface MachineSpecOrBuilder
    */
   int getAcceleratorCount();
 
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The Nvidia GPU partition size.
+   *
+   * When specified, the requested accelerators will be partitioned into
+   * smaller GPU partitions. For example, if the request is for 8 units of
+   * NVIDIA A100 GPUs, and gpu_partition_size="1g.10gb", the service will
+   * create 8 * 7 = 56 partitioned MIG instances.
+   *
+   * The partition size must be a value supported by the requested accelerator.
+   * Refer to
+   * [Nvidia GPU
+   * Partitioning](https://cloud.google.com/kubernetes-engine/docs/how-to/gpus-multi#multi-instance_gpu_partitions)
+   * for the available partition sizes.
+   *
+   * If set, the accelerator_count should be set to 1.
+   * </pre>
+   *
+   * <code>
+   * string gpu_partition_size = 7 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The gpuPartitionSize.
+   */
+  java.lang.String getGpuPartitionSize();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The Nvidia GPU partition size.
+   *
+   * When specified, the requested accelerators will be partitioned into
+   * smaller GPU partitions. For example, if the request is for 8 units of
+   * NVIDIA A100 GPUs, and gpu_partition_size="1g.10gb", the service will
+   * create 8 * 7 = 56 partitioned MIG instances.
+   *
+   * The partition size must be a value supported by the requested accelerator.
+   * Refer to
+   * [Nvidia GPU
+   * Partitioning](https://cloud.google.com/kubernetes-engine/docs/how-to/gpus-multi#multi-instance_gpu_partitions)
+   * for the available partition sizes.
+   *
+   * If set, the accelerator_count should be set to 1.
+   * </pre>
+   *
+   * <code>
+   * string gpu_partition_size = 7 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The bytes for gpuPartitionSize.
+   */
+  com.google.protobuf.ByteString getGpuPartitionSizeBytes();
+
   /**
    *
    *
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Modality.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Modality.java
index ec21171ddf24..9757885e73a0 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Modality.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Modality.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,6 +29,7 @@
  *
  * Protobuf enum {@code google.cloud.vertexai.v1.Modality}
  */
+@com.google.protobuf.Generated
 public enum Modality implements com.google.protobuf.ProtocolMessageEnum {
   /**
    *
@@ -92,6 +94,16 @@ public enum Modality implements com.google.protobuf.ProtocolMessageEnum {
   UNRECOGNIZED(-1),
   ;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Modality");
+  }
+
   /**
    *
    *
@@ -222,7 +234,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
     return getDescriptor();
   }
 
-  public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+  public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto.getDescriptor().getEnumTypes().get(1);
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModalityTokenCount.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModalityTokenCount.java
index dbb39f96ffd9..806078a4d9c3 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModalityTokenCount.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModalityTokenCount.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ModalityTokenCount}
  */
-public final class ModalityTokenCount extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ModalityTokenCount extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ModalityTokenCount)
     ModalityTokenCountOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ModalityTokenCount");
+  }
+
   // Use ModalityTokenCount.newBuilder() to construct.
-  private ModalityTokenCount(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ModalityTokenCount(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private ModalityTokenCount() {
     modality_ = 0;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ModalityTokenCount();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_ModalityTokenCount_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_ModalityTokenCount_fieldAccessorTable
@@ -230,38 +236,38 @@ public static com.google.cloud.vertexai.api.ModalityTokenCount parseFrom(
 
   public static com.google.cloud.vertexai.api.ModalityTokenCount parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ModalityTokenCount parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ModalityTokenCount parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ModalityTokenCount parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ModalityTokenCount parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ModalityTokenCount parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -284,7 +290,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -298,7 +304,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ModalityTokenCount}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ModalityTokenCount)
       com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder {
@@ -308,7 +314,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_ModalityTokenCount_fieldAccessorTable
@@ -320,7 +326,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.ModalityTokenCount.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -374,39 +380,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ModalityTokenCount resu
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ModalityTokenCount) {
@@ -634,17 +607,6 @@ public Builder clearTokenCount() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ModalityTokenCount)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModalityTokenCountOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModalityTokenCountOrBuilder.java
index dc74ae994488..bc3816e995b5 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModalityTokenCountOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModalityTokenCountOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ModalityTokenCountOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ModalityTokenCount)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModelArmorConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModelArmorConfig.java
new file mode 100644
index 000000000000..8b777a6c3025
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModelArmorConfig.java
@@ -0,0 +1,826 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Configuration for Model Armor integrations of prompt and responses.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.ModelArmorConfig}
+ */
+@com.google.protobuf.Generated
+public final class ModelArmorConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ModelArmorConfig)
+    ModelArmorConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ModelArmorConfig");
+  }
+
+  // Use ModelArmorConfig.newBuilder() to construct.
+  private ModelArmorConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ModelArmorConfig() {
+    promptTemplateName_ = "";
+    responseTemplateName_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_ModelArmorConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_ModelArmorConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.ModelArmorConfig.class,
+            com.google.cloud.vertexai.api.ModelArmorConfig.Builder.class);
+  }
+
+  public static final int PROMPT_TEMPLATE_NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object promptTemplateName_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The name of the Model Armor template to use for prompt
+   * sanitization.
+   * </pre>
+   *
+   * <code>
+   * string prompt_template_name = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The promptTemplateName.
+   */
+  @java.lang.Override
+  public java.lang.String getPromptTemplateName() {
+    java.lang.Object ref = promptTemplateName_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      promptTemplateName_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The name of the Model Armor template to use for prompt
+   * sanitization.
+   * </pre>
+   *
+   * <code>
+   * string prompt_template_name = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for promptTemplateName.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getPromptTemplateNameBytes() {
+    java.lang.Object ref = promptTemplateName_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      promptTemplateName_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int RESPONSE_TEMPLATE_NAME_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object responseTemplateName_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The name of the Model Armor template to use for response
+   * sanitization.
+   * </pre>
+   *
+   * <code>
+   * string response_template_name = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The responseTemplateName.
+   */
+  @java.lang.Override
+  public java.lang.String getResponseTemplateName() {
+    java.lang.Object ref = responseTemplateName_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      responseTemplateName_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The name of the Model Armor template to use for response
+   * sanitization.
+   * </pre>
+   *
+   * <code>
+   * string response_template_name = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for responseTemplateName.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getResponseTemplateNameBytes() {
+    java.lang.Object ref = responseTemplateName_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      responseTemplateName_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(promptTemplateName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, promptTemplateName_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(responseTemplateName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, responseTemplateName_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(promptTemplateName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, promptTemplateName_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(responseTemplateName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, responseTemplateName_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.ModelArmorConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.ModelArmorConfig other =
+        (com.google.cloud.vertexai.api.ModelArmorConfig) obj;
+
+    if (!getPromptTemplateName().equals(other.getPromptTemplateName())) return false;
+    if (!getResponseTemplateName().equals(other.getResponseTemplateName())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + PROMPT_TEMPLATE_NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getPromptTemplateName().hashCode();
+    hash = (37 * hash) + RESPONSE_TEMPLATE_NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getResponseTemplateName().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.ModelArmorConfig parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.ModelArmorConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ModelArmorConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.ModelArmorConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ModelArmorConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.ModelArmorConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ModelArmorConfig parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.ModelArmorConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ModelArmorConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.ModelArmorConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ModelArmorConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.ModelArmorConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.ModelArmorConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for Model Armor integrations of prompt and responses.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.ModelArmorConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ModelArmorConfig)
+      com.google.cloud.vertexai.api.ModelArmorConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_ModelArmorConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_ModelArmorConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.ModelArmorConfig.class,
+              com.google.cloud.vertexai.api.ModelArmorConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.ModelArmorConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      promptTemplateName_ = "";
+      responseTemplateName_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_ModelArmorConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.ModelArmorConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.ModelArmorConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.ModelArmorConfig build() {
+      com.google.cloud.vertexai.api.ModelArmorConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.ModelArmorConfig buildPartial() {
+      com.google.cloud.vertexai.api.ModelArmorConfig result =
+          new com.google.cloud.vertexai.api.ModelArmorConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.ModelArmorConfig result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.promptTemplateName_ = promptTemplateName_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.responseTemplateName_ = responseTemplateName_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.ModelArmorConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.ModelArmorConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.ModelArmorConfig other) {
+      if (other == com.google.cloud.vertexai.api.ModelArmorConfig.getDefaultInstance()) return this;
+      if (!other.getPromptTemplateName().isEmpty()) {
+        promptTemplateName_ = other.promptTemplateName_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      if (!other.getResponseTemplateName().isEmpty()) {
+        responseTemplateName_ = other.responseTemplateName_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                promptTemplateName_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                responseTemplateName_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object promptTemplateName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Model Armor template to use for prompt
+     * sanitization.
+     * </pre>
+     *
+     * <code>
+     * string prompt_template_name = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The promptTemplateName.
+     */
+    public java.lang.String getPromptTemplateName() {
+      java.lang.Object ref = promptTemplateName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        promptTemplateName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Model Armor template to use for prompt
+     * sanitization.
+     * </pre>
+     *
+     * <code>
+     * string prompt_template_name = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for promptTemplateName.
+     */
+    public com.google.protobuf.ByteString getPromptTemplateNameBytes() {
+      java.lang.Object ref = promptTemplateName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        promptTemplateName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Model Armor template to use for prompt
+     * sanitization.
+     * </pre>
+     *
+     * <code>
+     * string prompt_template_name = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The promptTemplateName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPromptTemplateName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      promptTemplateName_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Model Armor template to use for prompt
+     * sanitization.
+     * </pre>
+     *
+     * <code>
+     * string prompt_template_name = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearPromptTemplateName() {
+      promptTemplateName_ = getDefaultInstance().getPromptTemplateName();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Model Armor template to use for prompt
+     * sanitization.
+     * </pre>
+     *
+     * <code>
+     * string prompt_template_name = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for promptTemplateName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPromptTemplateNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      promptTemplateName_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object responseTemplateName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Model Armor template to use for response
+     * sanitization.
+     * </pre>
+     *
+     * <code>
+     * string response_template_name = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The responseTemplateName.
+     */
+    public java.lang.String getResponseTemplateName() {
+      java.lang.Object ref = responseTemplateName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        responseTemplateName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Model Armor template to use for response
+     * sanitization.
+     * </pre>
+     *
+     * <code>
+     * string response_template_name = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for responseTemplateName.
+     */
+    public com.google.protobuf.ByteString getResponseTemplateNameBytes() {
+      java.lang.Object ref = responseTemplateName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        responseTemplateName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Model Armor template to use for response
+     * sanitization.
+     * </pre>
+     *
+     * <code>
+     * string response_template_name = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The responseTemplateName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setResponseTemplateName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      responseTemplateName_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Model Armor template to use for response
+     * sanitization.
+     * </pre>
+     *
+     * <code>
+     * string response_template_name = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearResponseTemplateName() {
+      responseTemplateName_ = getDefaultInstance().getResponseTemplateName();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Model Armor template to use for response
+     * sanitization.
+     * </pre>
+     *
+     * <code>
+     * string response_template_name = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for responseTemplateName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setResponseTemplateNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      responseTemplateName_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ModelArmorConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.ModelArmorConfig)
+  private static final com.google.cloud.vertexai.api.ModelArmorConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.ModelArmorConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.ModelArmorConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ModelArmorConfig> PARSER =
+      new com.google.protobuf.AbstractParser<ModelArmorConfig>() {
+        @java.lang.Override
+        public ModelArmorConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<ModelArmorConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ModelArmorConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ModelArmorConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModelArmorConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModelArmorConfigOrBuilder.java
new file mode 100644
index 000000000000..4f2b8c3f292e
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModelArmorConfigOrBuilder.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface ModelArmorConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ModelArmorConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The name of the Model Armor template to use for prompt
+   * sanitization.
+   * </pre>
+   *
+   * <code>
+   * string prompt_template_name = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The promptTemplateName.
+   */
+  java.lang.String getPromptTemplateName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The name of the Model Armor template to use for prompt
+   * sanitization.
+   * </pre>
+   *
+   * <code>
+   * string prompt_template_name = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for promptTemplateName.
+   */
+  com.google.protobuf.ByteString getPromptTemplateNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The name of the Model Armor template to use for response
+   * sanitization.
+   * </pre>
+   *
+   * <code>
+   * string response_template_name = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The responseTemplateName.
+   */
+  java.lang.String getResponseTemplateName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The name of the Model Armor template to use for response
+   * sanitization.
+   * </pre>
+   *
+   * <code>
+   * string response_template_name = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for responseTemplateName.
+   */
+  com.google.protobuf.ByteString getResponseTemplateNameBytes();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModelExplanation.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModelExplanation.java
index 36dc4fd52384..2d4b8a3149fa 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModelExplanation.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModelExplanation.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ModelExplanation}
  */
-public final class ModelExplanation extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ModelExplanation extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ModelExplanation)
     ModelExplanationOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ModelExplanation");
+  }
+
   // Use ModelExplanation.newBuilder() to construct.
-  private ModelExplanation(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ModelExplanation(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private ModelExplanation() {
     meanAttributions_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ModelExplanation();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_ModelExplanation_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_ModelExplanation_fieldAccessorTable
@@ -359,38 +365,38 @@ public static com.google.cloud.vertexai.api.ModelExplanation parseFrom(
 
   public static com.google.cloud.vertexai.api.ModelExplanation parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ModelExplanation parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ModelExplanation parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ModelExplanation parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ModelExplanation parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ModelExplanation parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -413,7 +419,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -427,7 +433,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ModelExplanation}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ModelExplanation)
       com.google.cloud.vertexai.api.ModelExplanationOrBuilder {
@@ -437,7 +443,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_ModelExplanation_fieldAccessorTable
@@ -449,7 +455,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.ModelExplanation.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -515,39 +521,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ModelExplanation result
       int from_bitField0_ = bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ModelExplanation) {
@@ -579,8 +552,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.ModelExplanation other) {
             meanAttributions_ = other.meanAttributions_;
             bitField0_ = (bitField0_ & ~0x00000001);
             meanAttributionsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getMeanAttributionsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetMeanAttributionsFieldBuilder()
                     : null;
           } else {
             meanAttributionsBuilder_.addAllMessages(other.meanAttributions_);
@@ -656,7 +629,7 @@ private void ensureMeanAttributionsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Attribution,
             com.google.cloud.vertexai.api.Attribution.Builder,
             com.google.cloud.vertexai.api.AttributionOrBuilder>
@@ -1215,7 +1188,7 @@ public Builder removeMeanAttributions(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Attribution.Builder getMeanAttributionsBuilder(int index) {
-      return getMeanAttributionsFieldBuilder().getBuilder(index);
+      return internalGetMeanAttributionsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1333,7 +1306,7 @@ public com.google.cloud.vertexai.api.AttributionOrBuilder getMeanAttributionsOrB
      * </code>
      */
     public com.google.cloud.vertexai.api.Attribution.Builder addMeanAttributionsBuilder() {
-      return getMeanAttributionsFieldBuilder()
+      return internalGetMeanAttributionsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Attribution.getDefaultInstance());
     }
 
@@ -1370,7 +1343,7 @@ public com.google.cloud.vertexai.api.Attribution.Builder addMeanAttributionsBuil
      * </code>
      */
     public com.google.cloud.vertexai.api.Attribution.Builder addMeanAttributionsBuilder(int index) {
-      return getMeanAttributionsFieldBuilder()
+      return internalGetMeanAttributionsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Attribution.getDefaultInstance());
     }
 
@@ -1408,17 +1381,17 @@ public com.google.cloud.vertexai.api.Attribution.Builder addMeanAttributionsBuil
      */
     public java.util.List<com.google.cloud.vertexai.api.Attribution.Builder>
         getMeanAttributionsBuilderList() {
-      return getMeanAttributionsFieldBuilder().getBuilderList();
+      return internalGetMeanAttributionsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Attribution,
             com.google.cloud.vertexai.api.Attribution.Builder,
             com.google.cloud.vertexai.api.AttributionOrBuilder>
-        getMeanAttributionsFieldBuilder() {
+        internalGetMeanAttributionsFieldBuilder() {
       if (meanAttributionsBuilder_ == null) {
         meanAttributionsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Attribution,
                 com.google.cloud.vertexai.api.Attribution.Builder,
                 com.google.cloud.vertexai.api.AttributionOrBuilder>(
@@ -1431,17 +1404,6 @@ public com.google.cloud.vertexai.api.Attribution.Builder addMeanAttributionsBuil
       return meanAttributionsBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ModelExplanation)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModelExplanationOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModelExplanationOrBuilder.java
index 661a699d0a4b..b54a2e05668c 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModelExplanationOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ModelExplanationOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ModelExplanationOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ModelExplanation)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MultiSpeakerVoiceConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MultiSpeakerVoiceConfig.java
new file mode 100644
index 000000000000..15fc86891182
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MultiSpeakerVoiceConfig.java
@@ -0,0 +1,1009 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Configuration for a multi-speaker text-to-speech request.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.MultiSpeakerVoiceConfig}
+ */
+@com.google.protobuf.Generated
+public final class MultiSpeakerVoiceConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.MultiSpeakerVoiceConfig)
+    MultiSpeakerVoiceConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "MultiSpeakerVoiceConfig");
+  }
+
+  // Use MultiSpeakerVoiceConfig.newBuilder() to construct.
+  private MultiSpeakerVoiceConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private MultiSpeakerVoiceConfig() {
+    speakerVoiceConfigs_ = java.util.Collections.emptyList();
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_MultiSpeakerVoiceConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_MultiSpeakerVoiceConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.class,
+            com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.Builder.class);
+  }
+
+  public static final int SPEAKER_VOICE_CONFIGS_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.vertexai.api.SpeakerVoiceConfig> speakerVoiceConfigs_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. A list of configurations for the voices of the speakers. Exactly
+   * two speaker voice configurations must be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.vertexai.api.SpeakerVoiceConfig>
+      getSpeakerVoiceConfigsList() {
+    return speakerVoiceConfigs_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. A list of configurations for the voices of the speakers. Exactly
+   * two speaker voice configurations must be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.vertexai.api.SpeakerVoiceConfigOrBuilder>
+      getSpeakerVoiceConfigsOrBuilderList() {
+    return speakerVoiceConfigs_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. A list of configurations for the voices of the speakers. Exactly
+   * two speaker voice configurations must be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  @java.lang.Override
+  public int getSpeakerVoiceConfigsCount() {
+    return speakerVoiceConfigs_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. A list of configurations for the voices of the speakers. Exactly
+   * two speaker voice configurations must be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SpeakerVoiceConfig getSpeakerVoiceConfigs(int index) {
+    return speakerVoiceConfigs_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. A list of configurations for the voices of the speakers. Exactly
+   * two speaker voice configurations must be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SpeakerVoiceConfigOrBuilder getSpeakerVoiceConfigsOrBuilder(
+      int index) {
+    return speakerVoiceConfigs_.get(index);
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    for (int i = 0; i < speakerVoiceConfigs_.size(); i++) {
+      output.writeMessage(2, speakerVoiceConfigs_.get(i));
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    for (int i = 0; i < speakerVoiceConfigs_.size(); i++) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(2, speakerVoiceConfigs_.get(i));
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig other =
+        (com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig) obj;
+
+    if (!getSpeakerVoiceConfigsList().equals(other.getSpeakerVoiceConfigsList())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (getSpeakerVoiceConfigsCount() > 0) {
+      hash = (37 * hash) + SPEAKER_VOICE_CONFIGS_FIELD_NUMBER;
+      hash = (53 * hash) + getSpeakerVoiceConfigsList().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for a multi-speaker text-to-speech request.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.MultiSpeakerVoiceConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.MultiSpeakerVoiceConfig)
+      com.google.cloud.vertexai.api.MultiSpeakerVoiceConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_MultiSpeakerVoiceConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_MultiSpeakerVoiceConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.class,
+              com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (speakerVoiceConfigsBuilder_ == null) {
+        speakerVoiceConfigs_ = java.util.Collections.emptyList();
+      } else {
+        speakerVoiceConfigs_ = null;
+        speakerVoiceConfigsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000001);
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_MultiSpeakerVoiceConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig build() {
+      com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig buildPartial() {
+      com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig result =
+          new com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig(this);
+      buildPartialRepeatedFields(result);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartialRepeatedFields(
+        com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig result) {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)) {
+          speakerVoiceConfigs_ = java.util.Collections.unmodifiableList(speakerVoiceConfigs_);
+          bitField0_ = (bitField0_ & ~0x00000001);
+        }
+        result.speakerVoiceConfigs_ = speakerVoiceConfigs_;
+      } else {
+        result.speakerVoiceConfigs_ = speakerVoiceConfigsBuilder_.build();
+      }
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig result) {
+      int from_bitField0_ = bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig other) {
+      if (other == com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.getDefaultInstance())
+        return this;
+      if (speakerVoiceConfigsBuilder_ == null) {
+        if (!other.speakerVoiceConfigs_.isEmpty()) {
+          if (speakerVoiceConfigs_.isEmpty()) {
+            speakerVoiceConfigs_ = other.speakerVoiceConfigs_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+          } else {
+            ensureSpeakerVoiceConfigsIsMutable();
+            speakerVoiceConfigs_.addAll(other.speakerVoiceConfigs_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.speakerVoiceConfigs_.isEmpty()) {
+          if (speakerVoiceConfigsBuilder_.isEmpty()) {
+            speakerVoiceConfigsBuilder_.dispose();
+            speakerVoiceConfigsBuilder_ = null;
+            speakerVoiceConfigs_ = other.speakerVoiceConfigs_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+            speakerVoiceConfigsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetSpeakerVoiceConfigsFieldBuilder()
+                    : null;
+          } else {
+            speakerVoiceConfigsBuilder_.addAllMessages(other.speakerVoiceConfigs_);
+          }
+        }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 18:
+              {
+                com.google.cloud.vertexai.api.SpeakerVoiceConfig m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.SpeakerVoiceConfig.parser(),
+                        extensionRegistry);
+                if (speakerVoiceConfigsBuilder_ == null) {
+                  ensureSpeakerVoiceConfigsIsMutable();
+                  speakerVoiceConfigs_.add(m);
+                } else {
+                  speakerVoiceConfigsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.util.List<com.google.cloud.vertexai.api.SpeakerVoiceConfig> speakerVoiceConfigs_ =
+        java.util.Collections.emptyList();
+
+    private void ensureSpeakerVoiceConfigsIsMutable() {
+      if (!((bitField0_ & 0x00000001) != 0)) {
+        speakerVoiceConfigs_ =
+            new java.util.ArrayList<com.google.cloud.vertexai.api.SpeakerVoiceConfig>(
+                speakerVoiceConfigs_);
+        bitField0_ |= 0x00000001;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.SpeakerVoiceConfig,
+            com.google.cloud.vertexai.api.SpeakerVoiceConfig.Builder,
+            com.google.cloud.vertexai.api.SpeakerVoiceConfigOrBuilder>
+        speakerVoiceConfigsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.SpeakerVoiceConfig>
+        getSpeakerVoiceConfigsList() {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(speakerVoiceConfigs_);
+      } else {
+        return speakerVoiceConfigsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public int getSpeakerVoiceConfigsCount() {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        return speakerVoiceConfigs_.size();
+      } else {
+        return speakerVoiceConfigsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.SpeakerVoiceConfig getSpeakerVoiceConfigs(int index) {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        return speakerVoiceConfigs_.get(index);
+      } else {
+        return speakerVoiceConfigsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder setSpeakerVoiceConfigs(
+        int index, com.google.cloud.vertexai.api.SpeakerVoiceConfig value) {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSpeakerVoiceConfigsIsMutable();
+        speakerVoiceConfigs_.set(index, value);
+        onChanged();
+      } else {
+        speakerVoiceConfigsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder setSpeakerVoiceConfigs(
+        int index, com.google.cloud.vertexai.api.SpeakerVoiceConfig.Builder builderForValue) {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        ensureSpeakerVoiceConfigsIsMutable();
+        speakerVoiceConfigs_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        speakerVoiceConfigsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder addSpeakerVoiceConfigs(com.google.cloud.vertexai.api.SpeakerVoiceConfig value) {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSpeakerVoiceConfigsIsMutable();
+        speakerVoiceConfigs_.add(value);
+        onChanged();
+      } else {
+        speakerVoiceConfigsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder addSpeakerVoiceConfigs(
+        int index, com.google.cloud.vertexai.api.SpeakerVoiceConfig value) {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSpeakerVoiceConfigsIsMutable();
+        speakerVoiceConfigs_.add(index, value);
+        onChanged();
+      } else {
+        speakerVoiceConfigsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder addSpeakerVoiceConfigs(
+        com.google.cloud.vertexai.api.SpeakerVoiceConfig.Builder builderForValue) {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        ensureSpeakerVoiceConfigsIsMutable();
+        speakerVoiceConfigs_.add(builderForValue.build());
+        onChanged();
+      } else {
+        speakerVoiceConfigsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder addSpeakerVoiceConfigs(
+        int index, com.google.cloud.vertexai.api.SpeakerVoiceConfig.Builder builderForValue) {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        ensureSpeakerVoiceConfigsIsMutable();
+        speakerVoiceConfigs_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        speakerVoiceConfigsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder addAllSpeakerVoiceConfigs(
+        java.lang.Iterable<? extends com.google.cloud.vertexai.api.SpeakerVoiceConfig> values) {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        ensureSpeakerVoiceConfigsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, speakerVoiceConfigs_);
+        onChanged();
+      } else {
+        speakerVoiceConfigsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder clearSpeakerVoiceConfigs() {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        speakerVoiceConfigs_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+      } else {
+        speakerVoiceConfigsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder removeSpeakerVoiceConfigs(int index) {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        ensureSpeakerVoiceConfigsIsMutable();
+        speakerVoiceConfigs_.remove(index);
+        onChanged();
+      } else {
+        speakerVoiceConfigsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.SpeakerVoiceConfig.Builder getSpeakerVoiceConfigsBuilder(
+        int index) {
+      return internalGetSpeakerVoiceConfigsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.SpeakerVoiceConfigOrBuilder
+        getSpeakerVoiceConfigsOrBuilder(int index) {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        return speakerVoiceConfigs_.get(index);
+      } else {
+        return speakerVoiceConfigsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public java.util.List<? extends com.google.cloud.vertexai.api.SpeakerVoiceConfigOrBuilder>
+        getSpeakerVoiceConfigsOrBuilderList() {
+      if (speakerVoiceConfigsBuilder_ != null) {
+        return speakerVoiceConfigsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(speakerVoiceConfigs_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.SpeakerVoiceConfig.Builder
+        addSpeakerVoiceConfigsBuilder() {
+      return internalGetSpeakerVoiceConfigsFieldBuilder()
+          .addBuilder(com.google.cloud.vertexai.api.SpeakerVoiceConfig.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.SpeakerVoiceConfig.Builder addSpeakerVoiceConfigsBuilder(
+        int index) {
+      return internalGetSpeakerVoiceConfigsFieldBuilder()
+          .addBuilder(index, com.google.cloud.vertexai.api.SpeakerVoiceConfig.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. A list of configurations for the voices of the speakers. Exactly
+     * two speaker voice configurations must be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.SpeakerVoiceConfig.Builder>
+        getSpeakerVoiceConfigsBuilderList() {
+      return internalGetSpeakerVoiceConfigsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.SpeakerVoiceConfig,
+            com.google.cloud.vertexai.api.SpeakerVoiceConfig.Builder,
+            com.google.cloud.vertexai.api.SpeakerVoiceConfigOrBuilder>
+        internalGetSpeakerVoiceConfigsFieldBuilder() {
+      if (speakerVoiceConfigsBuilder_ == null) {
+        speakerVoiceConfigsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.SpeakerVoiceConfig,
+                com.google.cloud.vertexai.api.SpeakerVoiceConfig.Builder,
+                com.google.cloud.vertexai.api.SpeakerVoiceConfigOrBuilder>(
+                speakerVoiceConfigs_,
+                ((bitField0_ & 0x00000001) != 0),
+                getParentForChildren(),
+                isClean());
+        speakerVoiceConfigs_ = null;
+      }
+      return speakerVoiceConfigsBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.MultiSpeakerVoiceConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.MultiSpeakerVoiceConfig)
+  private static final com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<MultiSpeakerVoiceConfig> PARSER =
+      new com.google.protobuf.AbstractParser<MultiSpeakerVoiceConfig>() {
+        @java.lang.Override
+        public MultiSpeakerVoiceConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<MultiSpeakerVoiceConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<MultiSpeakerVoiceConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MultiSpeakerVoiceConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MultiSpeakerVoiceConfigOrBuilder.java
new file mode 100644
index 000000000000..be2b87117c6c
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MultiSpeakerVoiceConfigOrBuilder.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface MultiSpeakerVoiceConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.MultiSpeakerVoiceConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. A list of configurations for the voices of the speakers. Exactly
+   * two speaker voice configurations must be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  java.util.List<com.google.cloud.vertexai.api.SpeakerVoiceConfig> getSpeakerVoiceConfigsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. A list of configurations for the voices of the speakers. Exactly
+   * two speaker voice configurations must be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.SpeakerVoiceConfig getSpeakerVoiceConfigs(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. A list of configurations for the voices of the speakers. Exactly
+   * two speaker voice configurations must be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  int getSpeakerVoiceConfigsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. A list of configurations for the voices of the speakers. Exactly
+   * two speaker voice configurations must be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.vertexai.api.SpeakerVoiceConfigOrBuilder>
+      getSpeakerVoiceConfigsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. A list of configurations for the voices of the speakers. Exactly
+   * two speaker voice configurations must be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.SpeakerVoiceConfig speaker_voice_configs = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.SpeakerVoiceConfigOrBuilder getSpeakerVoiceConfigsOrBuilder(
+      int index);
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelOperationMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelOperationMetadata.java
index b2398ba69a45..b4dda07e0e11 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelOperationMetadata.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelOperationMetadata.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,34 +30,38 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.MutateDeployedModelOperationMetadata}
  */
-public final class MutateDeployedModelOperationMetadata
-    extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class MutateDeployedModelOperationMetadata extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.MutateDeployedModelOperationMetadata)
     MutateDeployedModelOperationMetadataOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "MutateDeployedModelOperationMetadata");
+  }
+
   // Use MutateDeployedModelOperationMetadata.newBuilder() to construct.
   private MutateDeployedModelOperationMetadata(
-      com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private MutateDeployedModelOperationMetadata() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new MutateDeployedModelOperationMetadata();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_MutateDeployedModelOperationMetadata_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_MutateDeployedModelOperationMetadata_fieldAccessorTable
@@ -226,39 +231,39 @@ public static com.google.cloud.vertexai.api.MutateDeployedModelOperationMetadata
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelOperationMetadata parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelOperationMetadata parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelOperationMetadata
       parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelOperationMetadata
       parseDelimitedFrom(
           java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelOperationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelOperationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -282,7 +287,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -297,7 +302,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.MutateDeployedModelOperationMetadata}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.MutateDeployedModelOperationMetadata)
       com.google.cloud.vertexai.api.MutateDeployedModelOperationMetadataOrBuilder {
@@ -307,7 +312,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_MutateDeployedModelOperationMetadata_fieldAccessorTable
@@ -322,14 +327,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getGenericMetadataFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetGenericMetadataFieldBuilder();
       }
     }
 
@@ -390,39 +395,6 @@ private void buildPartial0(
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.MutateDeployedModelOperationMetadata) {
@@ -470,7 +442,8 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getGenericMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetGenericMetadataFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -494,7 +467,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.GenericOperationMetadata genericMetadata_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenericOperationMetadata,
             com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
             com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>
@@ -644,7 +617,7 @@ public Builder clearGenericMetadata() {
         getGenericMetadataBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getGenericMetadataFieldBuilder().getBuilder();
+      return internalGetGenericMetadataFieldBuilder().getBuilder();
     }
 
     /**
@@ -676,14 +649,14 @@ public Builder clearGenericMetadata() {
      *
      * <code>.google.cloud.vertexai.v1.GenericOperationMetadata generic_metadata = 1;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenericOperationMetadata,
             com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
             com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>
-        getGenericMetadataFieldBuilder() {
+        internalGetGenericMetadataFieldBuilder() {
       if (genericMetadataBuilder_ == null) {
         genericMetadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GenericOperationMetadata,
                 com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
                 com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>(
@@ -693,17 +666,6 @@ public Builder clearGenericMetadata() {
       return genericMetadataBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.MutateDeployedModelOperationMetadata)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelOperationMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelOperationMetadataOrBuilder.java
index cd36af329734..ea62689ac402 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelOperationMetadataOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelOperationMetadataOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface MutateDeployedModelOperationMetadataOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.MutateDeployedModelOperationMetadata)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelRequest.java
index 887cbe926776..7fc588964dd5 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.MutateDeployedModelRequest}
  */
-public final class MutateDeployedModelRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class MutateDeployedModelRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.MutateDeployedModelRequest)
     MutateDeployedModelRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "MutateDeployedModelRequest");
+  }
+
   // Use MutateDeployedModelRequest.newBuilder() to construct.
-  private MutateDeployedModelRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private MutateDeployedModelRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private MutateDeployedModelRequest() {
     endpoint_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new MutateDeployedModelRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_MutateDeployedModelRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_MutateDeployedModelRequest_fieldAccessorTable
@@ -143,6 +149,8 @@ public com.google.protobuf.ByteString getEndpointBytes() {
    * * `max_replica_count` in either
    * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
    * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+   * * `required_replica_count` in
+   * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
    * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
    * * `disable_container_logging` (v1 only)
    * * `enable_container_logging` (v1beta1 only)
@@ -172,6 +180,8 @@ public boolean hasDeployedModel() {
    * * `max_replica_count` in either
    * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
    * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+   * * `required_replica_count` in
+   * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
    * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
    * * `disable_container_logging` (v1 only)
    * * `enable_container_logging` (v1beta1 only)
@@ -203,6 +213,8 @@ public com.google.cloud.vertexai.api.DeployedModel getDeployedModel() {
    * * `max_replica_count` in either
    * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
    * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+   * * `required_replica_count` in
+   * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
    * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
    * * `disable_container_logging` (v1 only)
    * * `enable_container_logging` (v1beta1 only)
@@ -288,8 +300,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(2, getDeployedModel());
@@ -306,8 +318,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getDeployedModel());
@@ -403,38 +415,38 @@ public static com.google.cloud.vertexai.api.MutateDeployedModelRequest parseFrom
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -458,7 +470,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -473,7 +485,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.MutateDeployedModelRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.MutateDeployedModelRequest)
       com.google.cloud.vertexai.api.MutateDeployedModelRequestOrBuilder {
@@ -483,7 +495,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_MutateDeployedModelRequest_fieldAccessorTable
@@ -497,15 +509,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getDeployedModelFieldBuilder();
-        getUpdateMaskFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetDeployedModelFieldBuilder();
+        internalGetUpdateMaskFieldBuilder();
       }
     }
 
@@ -576,39 +588,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.MutateDeployedModelRequ
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.MutateDeployedModelRequest) {
@@ -667,13 +646,15 @@ public Builder mergeFrom(
               } // case 10
             case 18:
               {
-                input.readMessage(getDeployedModelFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetDeployedModelFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
             case 34:
               {
-                input.readMessage(getUpdateMaskFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetUpdateMaskFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 34
@@ -828,7 +809,7 @@ public Builder setEndpointBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.cloud.vertexai.api.DeployedModel deployedModel_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.DeployedModel,
             com.google.cloud.vertexai.api.DeployedModel.Builder,
             com.google.cloud.vertexai.api.DeployedModelOrBuilder>
@@ -847,6 +828,8 @@ public Builder setEndpointBytes(com.google.protobuf.ByteString value) {
      * * `max_replica_count` in either
      * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
      * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+     * * `required_replica_count` in
+     * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
      * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
      * * `disable_container_logging` (v1 only)
      * * `enable_container_logging` (v1beta1 only)
@@ -875,6 +858,8 @@ public boolean hasDeployedModel() {
      * * `max_replica_count` in either
      * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
      * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+     * * `required_replica_count` in
+     * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
      * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
      * * `disable_container_logging` (v1 only)
      * * `enable_container_logging` (v1beta1 only)
@@ -909,6 +894,8 @@ public com.google.cloud.vertexai.api.DeployedModel getDeployedModel() {
      * * `max_replica_count` in either
      * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
      * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+     * * `required_replica_count` in
+     * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
      * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
      * * `disable_container_logging` (v1 only)
      * * `enable_container_logging` (v1beta1 only)
@@ -945,6 +932,8 @@ public Builder setDeployedModel(com.google.cloud.vertexai.api.DeployedModel valu
      * * `max_replica_count` in either
      * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
      * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+     * * `required_replica_count` in
+     * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
      * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
      * * `disable_container_logging` (v1 only)
      * * `enable_container_logging` (v1beta1 only)
@@ -979,6 +968,8 @@ public Builder setDeployedModel(
      * * `max_replica_count` in either
      * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
      * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+     * * `required_replica_count` in
+     * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
      * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
      * * `disable_container_logging` (v1 only)
      * * `enable_container_logging` (v1beta1 only)
@@ -1020,6 +1011,8 @@ public Builder mergeDeployedModel(com.google.cloud.vertexai.api.DeployedModel va
      * * `max_replica_count` in either
      * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
      * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+     * * `required_replica_count` in
+     * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
      * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
      * * `disable_container_logging` (v1 only)
      * * `enable_container_logging` (v1beta1 only)
@@ -1053,6 +1046,8 @@ public Builder clearDeployedModel() {
      * * `max_replica_count` in either
      * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
      * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+     * * `required_replica_count` in
+     * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
      * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
      * * `disable_container_logging` (v1 only)
      * * `enable_container_logging` (v1beta1 only)
@@ -1065,7 +1060,7 @@ public Builder clearDeployedModel() {
     public com.google.cloud.vertexai.api.DeployedModel.Builder getDeployedModelBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getDeployedModelFieldBuilder().getBuilder();
+      return internalGetDeployedModelFieldBuilder().getBuilder();
     }
 
     /**
@@ -1081,6 +1076,8 @@ public com.google.cloud.vertexai.api.DeployedModel.Builder getDeployedModelBuild
      * * `max_replica_count` in either
      * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
      * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+     * * `required_replica_count` in
+     * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
      * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
      * * `disable_container_logging` (v1 only)
      * * `enable_container_logging` (v1beta1 only)
@@ -1113,6 +1110,8 @@ public com.google.cloud.vertexai.api.DeployedModelOrBuilder getDeployedModelOrBu
      * * `max_replica_count` in either
      * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
      * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+     * * `required_replica_count` in
+     * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
      * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
      * * `disable_container_logging` (v1 only)
      * * `enable_container_logging` (v1beta1 only)
@@ -1122,14 +1121,14 @@ public com.google.cloud.vertexai.api.DeployedModelOrBuilder getDeployedModelOrBu
      * .google.cloud.vertexai.v1.DeployedModel deployed_model = 2 [(.google.api.field_behavior) = REQUIRED];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.DeployedModel,
             com.google.cloud.vertexai.api.DeployedModel.Builder,
             com.google.cloud.vertexai.api.DeployedModelOrBuilder>
-        getDeployedModelFieldBuilder() {
+        internalGetDeployedModelFieldBuilder() {
       if (deployedModelBuilder_ == null) {
         deployedModelBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.DeployedModel,
                 com.google.cloud.vertexai.api.DeployedModel.Builder,
                 com.google.cloud.vertexai.api.DeployedModelOrBuilder>(
@@ -1140,7 +1139,7 @@ public com.google.cloud.vertexai.api.DeployedModelOrBuilder getDeployedModelOrBu
     }
 
     private com.google.protobuf.FieldMask updateMask_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.FieldMask,
             com.google.protobuf.FieldMask.Builder,
             com.google.protobuf.FieldMaskOrBuilder>
@@ -1299,7 +1298,7 @@ public Builder clearUpdateMask() {
     public com.google.protobuf.FieldMask.Builder getUpdateMaskBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getUpdateMaskFieldBuilder().getBuilder();
+      return internalGetUpdateMaskFieldBuilder().getBuilder();
     }
 
     /**
@@ -1334,14 +1333,14 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
      * <code>.google.protobuf.FieldMask update_mask = 4 [(.google.api.field_behavior) = REQUIRED];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.FieldMask,
             com.google.protobuf.FieldMask.Builder,
             com.google.protobuf.FieldMaskOrBuilder>
-        getUpdateMaskFieldBuilder() {
+        internalGetUpdateMaskFieldBuilder() {
       if (updateMaskBuilder_ == null) {
         updateMaskBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.FieldMask,
                 com.google.protobuf.FieldMask.Builder,
                 com.google.protobuf.FieldMaskOrBuilder>(
@@ -1351,17 +1350,6 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
       return updateMaskBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.MutateDeployedModelRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelRequestOrBuilder.java
index 0ea3067e3313..0c05caa10821 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface MutateDeployedModelRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.MutateDeployedModelRequest)
@@ -71,6 +73,8 @@ public interface MutateDeployedModelRequestOrBuilder
    * * `max_replica_count` in either
    * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
    * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+   * * `required_replica_count` in
+   * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
    * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
    * * `disable_container_logging` (v1 only)
    * * `enable_container_logging` (v1beta1 only)
@@ -97,6 +101,8 @@ public interface MutateDeployedModelRequestOrBuilder
    * * `max_replica_count` in either
    * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
    * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+   * * `required_replica_count` in
+   * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
    * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
    * * `disable_container_logging` (v1 only)
    * * `enable_container_logging` (v1beta1 only)
@@ -123,6 +129,8 @@ public interface MutateDeployedModelRequestOrBuilder
    * * `max_replica_count` in either
    * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
    * [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+   * * `required_replica_count` in
+   * [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
    * * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
    * * `disable_container_logging` (v1 only)
    * * `enable_container_logging` (v1beta1 only)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelResponse.java
index 1a93cabf8f28..a8de216bbfdb 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,32 +30,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.MutateDeployedModelResponse}
  */
-public final class MutateDeployedModelResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class MutateDeployedModelResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.MutateDeployedModelResponse)
     MutateDeployedModelResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "MutateDeployedModelResponse");
+  }
+
   // Use MutateDeployedModelResponse.newBuilder() to construct.
-  private MutateDeployedModelResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private MutateDeployedModelResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private MutateDeployedModelResponse() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new MutateDeployedModelResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_MutateDeployedModelResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_MutateDeployedModelResponse_fieldAccessorTable
@@ -223,38 +229,38 @@ public static com.google.cloud.vertexai.api.MutateDeployedModelResponse parseFro
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelResponse parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.MutateDeployedModelResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -278,7 +284,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -293,7 +299,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.MutateDeployedModelResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.MutateDeployedModelResponse)
       com.google.cloud.vertexai.api.MutateDeployedModelResponseOrBuilder {
@@ -303,7 +309,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_MutateDeployedModelResponse_fieldAccessorTable
@@ -317,14 +323,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getDeployedModelFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetDeployedModelFieldBuilder();
       }
     }
 
@@ -382,39 +388,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.MutateDeployedModelResp
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.MutateDeployedModelResponse) {
@@ -459,7 +432,8 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getDeployedModelFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetDeployedModelFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -483,7 +457,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.DeployedModel deployedModel_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.DeployedModel,
             com.google.cloud.vertexai.api.DeployedModel.Builder,
             com.google.cloud.vertexai.api.DeployedModelOrBuilder>
@@ -629,7 +603,7 @@ public Builder clearDeployedModel() {
     public com.google.cloud.vertexai.api.DeployedModel.Builder getDeployedModelBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getDeployedModelFieldBuilder().getBuilder();
+      return internalGetDeployedModelFieldBuilder().getBuilder();
     }
 
     /**
@@ -660,14 +634,14 @@ public com.google.cloud.vertexai.api.DeployedModelOrBuilder getDeployedModelOrBu
      *
      * <code>.google.cloud.vertexai.v1.DeployedModel deployed_model = 1;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.DeployedModel,
             com.google.cloud.vertexai.api.DeployedModel.Builder,
             com.google.cloud.vertexai.api.DeployedModelOrBuilder>
-        getDeployedModelFieldBuilder() {
+        internalGetDeployedModelFieldBuilder() {
       if (deployedModelBuilder_ == null) {
         deployedModelBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.DeployedModel,
                 com.google.cloud.vertexai.api.DeployedModel.Builder,
                 com.google.cloud.vertexai.api.DeployedModelOrBuilder>(
@@ -677,17 +651,6 @@ public com.google.cloud.vertexai.api.DeployedModelOrBuilder getDeployedModelOrBu
       return deployedModelBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.MutateDeployedModelResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelResponseOrBuilder.java
index 192f6e73211a..fd9f7337fc13 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MutateDeployedModelResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface MutateDeployedModelResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.MutateDeployedModelResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Neighbor.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Neighbor.java
index 109882f1915c..ac52b3398208 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Neighbor.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Neighbor.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Neighbor}
  */
-public final class Neighbor extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Neighbor extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Neighbor)
     NeighborOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Neighbor");
+  }
+
   // Use Neighbor.newBuilder() to construct.
-  private Neighbor(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Neighbor(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private Neighbor() {
     neighborId_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Neighbor();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_Neighbor_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_Neighbor_fieldAccessorTable
@@ -150,8 +156,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(neighborId_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, neighborId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(neighborId_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, neighborId_);
     }
     if (java.lang.Double.doubleToRawLongBits(neighborDistance_) != 0) {
       output.writeDouble(2, neighborDistance_);
@@ -165,8 +171,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(neighborId_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, neighborId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(neighborId_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, neighborId_);
     }
     if (java.lang.Double.doubleToRawLongBits(neighborDistance_) != 0) {
       size += com.google.protobuf.CodedOutputStream.computeDoubleSize(2, neighborDistance_);
@@ -249,38 +255,38 @@ public static com.google.cloud.vertexai.api.Neighbor parseFrom(
 
   public static com.google.cloud.vertexai.api.Neighbor parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Neighbor parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Neighbor parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Neighbor parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Neighbor parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Neighbor parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -303,7 +309,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -317,7 +323,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Neighbor}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Neighbor)
       com.google.cloud.vertexai.api.NeighborOrBuilder {
@@ -327,7 +333,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_Neighbor_fieldAccessorTable
@@ -339,7 +345,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.Neighbor.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -393,39 +399,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.Neighbor result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Neighbor) {
@@ -443,7 +416,7 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Neighbor other) {
         bitField0_ |= 0x00000001;
         onChanged();
       }
-      if (other.getNeighborDistance() != 0D) {
+      if (java.lang.Double.doubleToRawLongBits(other.getNeighborDistance()) != 0) {
         setNeighborDistance(other.getNeighborDistance());
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -670,17 +643,6 @@ public Builder clearNeighborDistance() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Neighbor)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/NeighborOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/NeighborOrBuilder.java
index 53902a2b80eb..d2db957bcfaa 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/NeighborOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/NeighborOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface NeighborOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Neighbor)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/NfsMount.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/NfsMount.java
index 74c15857ba22..89d2b8bc642e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/NfsMount.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/NfsMount.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.NfsMount}
  */
-public final class NfsMount extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class NfsMount extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.NfsMount)
     NfsMountOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "NfsMount");
+  }
+
   // Use NfsMount.newBuilder() to construct.
-  private NfsMount(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private NfsMount(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,13 @@ private NfsMount() {
     mountPoint_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new NfsMount();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_NfsMount_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_NfsMount_fieldAccessorTable
@@ -245,14 +251,14 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(server_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, server_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(server_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, server_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(path_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, path_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(path_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, path_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(mountPoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, mountPoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mountPoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, mountPoint_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -263,14 +269,14 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(server_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, server_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(server_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, server_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(path_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, path_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(path_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, path_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(mountPoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, mountPoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mountPoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, mountPoint_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -349,38 +355,38 @@ public static com.google.cloud.vertexai.api.NfsMount parseFrom(
 
   public static com.google.cloud.vertexai.api.NfsMount parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.NfsMount parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.NfsMount parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.NfsMount parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.NfsMount parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.NfsMount parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -403,7 +409,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -417,7 +423,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.NfsMount}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.NfsMount)
       com.google.cloud.vertexai.api.NfsMountOrBuilder {
@@ -427,7 +433,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.MachineResourcesProto
           .internal_static_google_cloud_vertexai_v1_NfsMount_fieldAccessorTable
@@ -439,7 +445,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.NfsMount.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -497,39 +503,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.NfsMount result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.NfsMount) {
@@ -968,17 +941,6 @@ public Builder setMountPointBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.NfsMount)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/NfsMountOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/NfsMountOrBuilder.java
index abd9ca442162..1d5419cdef5e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/NfsMountOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/NfsMountOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface NfsMountOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.NfsMount)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/OpenApiProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/OpenApiProto.java
index 858e83a904ea..4fa49cf378ee 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/OpenApiProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/OpenApiProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/openapi.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class OpenApiProto {
+@com.google.protobuf.Generated
+public final class OpenApiProto extends com.google.protobuf.GeneratedFile {
   private OpenApiProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "OpenApiProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,12 +42,16 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Schema_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Schema_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Schema_PropertiesEntry_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Schema_PropertiesEntry_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_Schema_DefsEntry_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_Schema_DefsEntry_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     return descriptor;
@@ -45,38 +61,58 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
 
   static {
     java.lang.String[] descriptorData = {
-      "\n&google/cloud/vertexai/v1/openapi.proto"
+      "\n"
+          + "&google/cloud/vertexai/v1/openapi.proto"
           + "\022\030google.cloud.vertexai.v1\032\037google/api/f"
-          + "ield_behavior.proto\032\034google/protobuf/str"
-          + "uct.proto\"\246\006\n\006Schema\0221\n\004type\030\001 \001(\0162\036.goo"
-          + "gle.cloud.vertexai.v1.TypeB\003\340A\001\022\023\n\006forma"
-          + "t\030\007 \001(\tB\003\340A\001\022\022\n\005title\030\030 \001(\tB\003\340A\001\022\030\n\013desc"
-          + "ription\030\010 \001(\tB\003\340A\001\022\025\n\010nullable\030\006 \001(\010B\003\340A"
-          + "\001\022,\n\007default\030\027 \001(\0132\026.google.protobuf.Val"
-          + "ueB\003\340A\001\0224\n\005items\030\002 \001(\0132 .google.cloud.ve"
-          + "rtexai.v1.SchemaB\003\340A\001\022\026\n\tmin_items\030\025 \001(\003"
-          + "B\003\340A\001\022\026\n\tmax_items\030\026 \001(\003B\003\340A\001\022\021\n\004enum\030\t "
-          + "\003(\tB\003\340A\001\022I\n\nproperties\030\003 \003(\01320.google.cl"
-          + "oud.vertexai.v1.Schema.PropertiesEntryB\003"
-          + "\340A\001\022\036\n\021property_ordering\030\031 \003(\tB\003\340A\001\022\025\n\010r"
-          + "equired\030\005 \003(\tB\003\340A\001\022\033\n\016min_properties\030\016 \001"
-          + "(\003B\003\340A\001\022\033\n\016max_properties\030\017 \001(\003B\003\340A\001\022\024\n\007"
-          + "minimum\030\020 \001(\001B\003\340A\001\022\024\n\007maximum\030\021 \001(\001B\003\340A\001"
-          + "\022\027\n\nmin_length\030\022 \001(\003B\003\340A\001\022\027\n\nmax_length\030"
-          + "\023 \001(\003B\003\340A\001\022\024\n\007pattern\030\024 \001(\tB\003\340A\001\022,\n\007exam"
-          + "ple\030\004 \001(\0132\026.google.protobuf.ValueB\003\340A\001\0225"
-          + "\n\006any_of\030\013 \003(\0132 .google.cloud.vertexai.v"
-          + "1.SchemaB\003\340A\001\032S\n\017PropertiesEntry\022\013\n\003key\030"
-          + "\001 \001(\t\022/\n\005value\030\002 \001(\0132 .google.cloud.vert"
-          + "exai.v1.Schema:\0028\001*e\n\004Type\022\024\n\020TYPE_UNSPE"
-          + "CIFIED\020\000\022\n\n\006STRING\020\001\022\n\n\006NUMBER\020\002\022\013\n\007INTE"
-          + "GER\020\003\022\013\n\007BOOLEAN\020\004\022\t\n\005ARRAY\020\005\022\n\n\006OBJECT\020"
-          + "\006B\311\001\n\035com.google.cloud.vertexai.apiB\014Ope"
-          + "nApiProtoP\001Z>cloud.google.com/go/aiplatf"
-          + "orm/apiv1/aiplatformpb;aiplatformpb\252\002\032Go"
-          + "ogle.Cloud.AIPlatform.V1\312\002\032Google\\Cloud\\"
-          + "AIPlatform\\V1\352\002\035Google::Cloud::AIPlatfor"
-          + "m::V1b\006proto3"
+          + "ield_behavior.proto\032\034google/protobuf/struct.proto\"\202\010\n"
+          + "\006Schema\0221\n"
+          + "\004type\030\001 \001(\0162\036.google.cloud.vertexai.v1.TypeB\003\340A\001\022\023\n"
+          + "\006format\030\007 \001(\tB\003\340A\001\022\022\n"
+          + "\005title\030\030 \001(\tB\003\340A\001\022\030\n"
+          + "\013description\030\010 \001(\tB\003\340A\001\022\025\n"
+          + "\010nullable\030\006 \001(\010B\003\340A\001\022,\n"
+          + "\007default\030\027 \001(\0132\026.google.protobuf.ValueB\003\340A\001\0224\n"
+          + "\005items\030\002 \001(\0132 .google.cloud.vertexai.v1.SchemaB\003\340A\001\022\026\n"
+          + "\tmin_items\030\025 \001(\003B\003\340A\001\022\026\n"
+          + "\tmax_items\030\026 \001(\003B\003\340A\001\022\021\n"
+          + "\004enum\030\t \003(\tB\003\340A\001\022I\n\n"
+          + "properties\030\003 \003(\01320.google.cl"
+          + "oud.vertexai.v1.Schema.PropertiesEntryB\003\340A\001\022\036\n"
+          + "\021property_ordering\030\031 \003(\tB\003\340A\001\022\025\n"
+          + "\010required\030\005 \003(\tB\003\340A\001\022\033\n"
+          + "\016min_properties\030\016 \001(\003B\003\340A\001\022\033\n"
+          + "\016max_properties\030\017 \001(\003B\003\340A\001\022\024\n"
+          + "\007minimum\030\020 \001(\001B\003\340A\001\022\024\n"
+          + "\007maximum\030\021 \001(\001B\003\340A\001\022\027\n\n"
+          + "min_length\030\022 \001(\003B\003\340A\001\022\027\n\n"
+          + "max_length\030\023 \001(\003B\003\340A\001\022\024\n"
+          + "\007pattern\030\024 \001(\tB\003\340A\001\022,\n"
+          + "\007example\030\004 \001(\0132\026.google.protobuf.ValueB\003\340A\001\0225\n"
+          + "\006any_of\030\013 \003(\0132 .google.cloud.vertexai.v1.SchemaB\003\340A\001\022:\n"
+          + "\025additional_properties\030\032"
+          + " \001(\0132\026.google.protobuf.ValueB\003\340A\001\022\020\n"
+          + "\003ref\030\033 \001(\tB\003\340A\001\022=\n"
+          + "\004defs\030\034"
+          + " \003(\0132*.google.cloud.vertexai.v1.Schema.DefsEntryB\003\340A\001\032S\n"
+          + "\017PropertiesEntry\022\013\n"
+          + "\003key\030\001 \001(\t\022/\n"
+          + "\005value\030\002 \001(\0132 .google.cloud.vertexai.v1.Schema:\0028\001\032M\n"
+          + "\tDefsEntry\022\013\n"
+          + "\003key\030\001 \001(\t\022/\n"
+          + "\005value\030\002 \001(\0132 .google.cloud.vertexai.v1.Schema:\0028\001*e\n"
+          + "\004Type\022\024\n"
+          + "\020TYPE_UNSPECIFIED\020\000\022\n\n"
+          + "\006STRING\020\001\022\n\n"
+          + "\006NUMBER\020\002\022\013\n"
+          + "\007INTEGER\020\003\022\013\n"
+          + "\007BOOLEAN\020\004\022\t\n"
+          + "\005ARRAY\020\005\022\n\n"
+          + "\006OBJECT\020\006B\311\001\n"
+          + "\035com.google.cloud.vertexai.apiB\014OpenApiProtoP\001Z>cloud.g"
+          + "oogle.com/go/aiplatform/apiv1/aiplatform"
+          + "pb;aiplatformpb\252\002\032Google.Cloud.AIPlatfor"
+          + "m.V1\312\002\032Google\\Cloud\\AIPlatform\\V1\352\002\035Goog"
+          + "le::Cloud::AIPlatform::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -85,10 +121,9 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.api.FieldBehaviorProto.getDescriptor(),
               com.google.protobuf.StructProto.getDescriptor(),
             });
-    internal_static_google_cloud_vertexai_v1_Schema_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+    internal_static_google_cloud_vertexai_v1_Schema_descriptor = getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_Schema_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Schema_descriptor,
             new java.lang.String[] {
               "Type",
@@ -113,22 +148,34 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Pattern",
               "Example",
               "AnyOf",
+              "AdditionalProperties",
+              "Ref",
+              "Defs",
             });
     internal_static_google_cloud_vertexai_v1_Schema_PropertiesEntry_descriptor =
-        internal_static_google_cloud_vertexai_v1_Schema_descriptor.getNestedTypes().get(0);
+        internal_static_google_cloud_vertexai_v1_Schema_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_Schema_PropertiesEntry_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Schema_PropertiesEntry_descriptor,
             new java.lang.String[] {
               "Key", "Value",
             });
+    internal_static_google_cloud_vertexai_v1_Schema_DefsEntry_descriptor =
+        internal_static_google_cloud_vertexai_v1_Schema_descriptor.getNestedType(1);
+    internal_static_google_cloud_vertexai_v1_Schema_DefsEntry_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_Schema_DefsEntry_descriptor,
+            new java.lang.String[] {
+              "Key", "Value",
+            });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.protobuf.StructProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.protobuf.StructProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/OperationProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/OperationProto.java
index c1f52550c9be..c09663a34311 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/OperationProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/OperationProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/operation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class OperationProto {
+@com.google.protobuf.Generated
+public final class OperationProto extends com.google.protobuf.GeneratedFile {
   private OperationProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "OperationProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,11 +42,11 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GenericOperationMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GenericOperationMetadata_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DeleteOperationMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DeleteOperationMetadata_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -72,29 +84,30 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.rpc.StatusProto.getDescriptor(),
             });
     internal_static_google_cloud_vertexai_v1_GenericOperationMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+        getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_GenericOperationMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GenericOperationMetadata_descriptor,
             new java.lang.String[] {
               "PartialFailures", "CreateTime", "UpdateTime",
             });
     internal_static_google_cloud_vertexai_v1_DeleteOperationMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(1);
+        getDescriptor().getMessageType(1);
     internal_static_google_cloud_vertexai_v1_DeleteOperationMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_DeleteOperationMetadata_descriptor,
             new java.lang.String[] {
               "GenericMetadata",
             });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.protobuf.TimestampProto.getDescriptor();
+    com.google.rpc.StatusProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.protobuf.TimestampProto.getDescriptor();
-    com.google.rpc.StatusProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PSCAutomationConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PSCAutomationConfig.java
index bb2199b1ecb3..a24e4a94df56 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PSCAutomationConfig.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PSCAutomationConfig.java
@@ -14,41 +14,51 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/service_networking.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
  *
  *
  * <pre>
- * PSC config that is used to automatically create forwarding rule via
- * ServiceConnectionMap.
+ * PSC config that is used to automatically create PSC endpoints in the user
+ * projects.
  * </pre>
  *
  * Protobuf type {@code google.cloud.vertexai.v1.PSCAutomationConfig}
  */
-public final class PSCAutomationConfig extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class PSCAutomationConfig extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.PSCAutomationConfig)
     PSCAutomationConfigOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "PSCAutomationConfig");
+  }
+
   // Use PSCAutomationConfig.newBuilder() to construct.
-  private PSCAutomationConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private PSCAutomationConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private PSCAutomationConfig() {
     projectId_ = "";
     network_ = "";
-  }
-
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new PSCAutomationConfig();
+    ipAddress_ = "";
+    forwardingRule_ = "";
+    state_ = 0;
+    errorMessage_ = "";
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -57,7 +67,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ServiceNetworkingProto
         .internal_static_google_cloud_vertexai_v1_PSCAutomationConfig_fieldAccessorTable
@@ -130,10 +140,8 @@ public com.google.protobuf.ByteString getProjectIdBytes() {
    * <pre>
    * Required. The full name of the Google Compute Engine
    * [network](https://cloud.google.com/compute/docs/networks-and-firewalls#networks).
-   * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/insert):
+   * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/get):
    * `projects/{project}/global/networks/{network}`.
-   * Where {project} is a project number, as in '12345', and {network} is
-   * network name.
    * </pre>
    *
    * <code>string network = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -159,10 +167,8 @@ public java.lang.String getNetwork() {
    * <pre>
    * Required. The full name of the Google Compute Engine
    * [network](https://cloud.google.com/compute/docs/networks-and-firewalls#networks).
-   * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/insert):
+   * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/get):
    * `projects/{project}/global/networks/{network}`.
-   * Where {project} is a project number, as in '12345', and {network} is
-   * network name.
    * </pre>
    *
    * <code>string network = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -182,6 +188,206 @@ public com.google.protobuf.ByteString getNetworkBytes() {
     }
   }
 
+  public static final int IP_ADDRESS_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object ipAddress_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. IP address rule created by the PSC service automation.
+   * </pre>
+   *
+   * <code>string ip_address = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The ipAddress.
+   */
+  @java.lang.Override
+  public java.lang.String getIpAddress() {
+    java.lang.Object ref = ipAddress_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      ipAddress_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. IP address rule created by the PSC service automation.
+   * </pre>
+   *
+   * <code>string ip_address = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for ipAddress.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getIpAddressBytes() {
+    java.lang.Object ref = ipAddress_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      ipAddress_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int FORWARDING_RULE_FIELD_NUMBER = 4;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object forwardingRule_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Forwarding rule created by the PSC service automation.
+   * </pre>
+   *
+   * <code>string forwarding_rule = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The forwardingRule.
+   */
+  @java.lang.Override
+  public java.lang.String getForwardingRule() {
+    java.lang.Object ref = forwardingRule_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      forwardingRule_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Forwarding rule created by the PSC service automation.
+   * </pre>
+   *
+   * <code>string forwarding_rule = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for forwardingRule.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getForwardingRuleBytes() {
+    java.lang.Object ref = forwardingRule_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      forwardingRule_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int STATE_FIELD_NUMBER = 5;
+  private int state_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The state of the PSC service automation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.PSCAutomationState state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for state.
+   */
+  @java.lang.Override
+  public int getStateValue() {
+    return state_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The state of the PSC service automation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.PSCAutomationState state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The state.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.PSCAutomationState getState() {
+    com.google.cloud.vertexai.api.PSCAutomationState result =
+        com.google.cloud.vertexai.api.PSCAutomationState.forNumber(state_);
+    return result == null ? com.google.cloud.vertexai.api.PSCAutomationState.UNRECOGNIZED : result;
+  }
+
+  public static final int ERROR_MESSAGE_FIELD_NUMBER = 6;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object errorMessage_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Error message if the PSC service automation failed.
+   * </pre>
+   *
+   * <code>string error_message = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The errorMessage.
+   */
+  @java.lang.Override
+  public java.lang.String getErrorMessage() {
+    java.lang.Object ref = errorMessage_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      errorMessage_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Error message if the PSC service automation failed.
+   * </pre>
+   *
+   * <code>string error_message = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for errorMessage.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getErrorMessageBytes() {
+    java.lang.Object ref = errorMessage_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      errorMessage_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -196,11 +402,25 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(projectId_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, projectId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(projectId_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, projectId_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(network_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, network_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(ipAddress_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, ipAddress_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(network_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, network_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(forwardingRule_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 4, forwardingRule_);
+    }
+    if (state_
+        != com.google.cloud.vertexai.api.PSCAutomationState.PSC_AUTOMATION_STATE_UNSPECIFIED
+            .getNumber()) {
+      output.writeEnum(5, state_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(errorMessage_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 6, errorMessage_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -211,11 +431,25 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(projectId_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, projectId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(projectId_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, projectId_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(network_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, network_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(ipAddress_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, ipAddress_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(network_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, network_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(forwardingRule_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(4, forwardingRule_);
+    }
+    if (state_
+        != com.google.cloud.vertexai.api.PSCAutomationState.PSC_AUTOMATION_STATE_UNSPECIFIED
+            .getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(5, state_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(errorMessage_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(6, errorMessage_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -235,6 +469,10 @@ public boolean equals(final java.lang.Object obj) {
 
     if (!getProjectId().equals(other.getProjectId())) return false;
     if (!getNetwork().equals(other.getNetwork())) return false;
+    if (!getIpAddress().equals(other.getIpAddress())) return false;
+    if (!getForwardingRule().equals(other.getForwardingRule())) return false;
+    if (state_ != other.state_) return false;
+    if (!getErrorMessage().equals(other.getErrorMessage())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -250,6 +488,14 @@ public int hashCode() {
     hash = (53 * hash) + getProjectId().hashCode();
     hash = (37 * hash) + NETWORK_FIELD_NUMBER;
     hash = (53 * hash) + getNetwork().hashCode();
+    hash = (37 * hash) + IP_ADDRESS_FIELD_NUMBER;
+    hash = (53 * hash) + getIpAddress().hashCode();
+    hash = (37 * hash) + FORWARDING_RULE_FIELD_NUMBER;
+    hash = (53 * hash) + getForwardingRule().hashCode();
+    hash = (37 * hash) + STATE_FIELD_NUMBER;
+    hash = (53 * hash) + state_;
+    hash = (37 * hash) + ERROR_MESSAGE_FIELD_NUMBER;
+    hash = (53 * hash) + getErrorMessage().hashCode();
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -292,38 +538,38 @@ public static com.google.cloud.vertexai.api.PSCAutomationConfig parseFrom(
 
   public static com.google.cloud.vertexai.api.PSCAutomationConfig parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PSCAutomationConfig parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PSCAutomationConfig parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PSCAutomationConfig parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PSCAutomationConfig parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PSCAutomationConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -346,7 +592,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -355,13 +601,13 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    *
    * <pre>
-   * PSC config that is used to automatically create forwarding rule via
-   * ServiceConnectionMap.
+   * PSC config that is used to automatically create PSC endpoints in the user
+   * projects.
    * </pre>
    *
    * Protobuf type {@code google.cloud.vertexai.v1.PSCAutomationConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.PSCAutomationConfig)
       com.google.cloud.vertexai.api.PSCAutomationConfigOrBuilder {
@@ -371,7 +617,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ServiceNetworkingProto
           .internal_static_google_cloud_vertexai_v1_PSCAutomationConfig_fieldAccessorTable
@@ -383,7 +629,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.PSCAutomationConfig.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -393,6 +639,10 @@ public Builder clear() {
       bitField0_ = 0;
       projectId_ = "";
       network_ = "";
+      ipAddress_ = "";
+      forwardingRule_ = "";
+      state_ = 0;
+      errorMessage_ = "";
       return this;
     }
 
@@ -435,39 +685,18 @@ private void buildPartial0(com.google.cloud.vertexai.api.PSCAutomationConfig res
       if (((from_bitField0_ & 0x00000002) != 0)) {
         result.network_ = network_;
       }
-    }
-
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.ipAddress_ = ipAddress_;
+      }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.forwardingRule_ = forwardingRule_;
+      }
+      if (((from_bitField0_ & 0x00000010) != 0)) {
+        result.state_ = state_;
+      }
+      if (((from_bitField0_ & 0x00000020) != 0)) {
+        result.errorMessage_ = errorMessage_;
+      }
     }
 
     @java.lang.Override
@@ -493,6 +722,24 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.PSCAutomationConfig other
         bitField0_ |= 0x00000002;
         onChanged();
       }
+      if (!other.getIpAddress().isEmpty()) {
+        ipAddress_ = other.ipAddress_;
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      if (!other.getForwardingRule().isEmpty()) {
+        forwardingRule_ = other.forwardingRule_;
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
+      if (other.state_ != 0) {
+        setStateValue(other.getStateValue());
+      }
+      if (!other.getErrorMessage().isEmpty()) {
+        errorMessage_ = other.errorMessage_;
+        bitField0_ |= 0x00000020;
+        onChanged();
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -531,6 +778,30 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
+            case 26:
+              {
+                ipAddress_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
+            case 34:
+              {
+                forwardingRule_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 34
+            case 40:
+              {
+                state_ = input.readEnum();
+                bitField0_ |= 0x00000010;
+                break;
+              } // case 40
+            case 50:
+              {
+                errorMessage_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000020;
+                break;
+              } // case 50
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -669,10 +940,8 @@ public Builder setProjectIdBytes(com.google.protobuf.ByteString value) {
      * <pre>
      * Required. The full name of the Google Compute Engine
      * [network](https://cloud.google.com/compute/docs/networks-and-firewalls#networks).
-     * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/insert):
+     * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/get):
      * `projects/{project}/global/networks/{network}`.
-     * Where {project} is a project number, as in '12345', and {network} is
-     * network name.
      * </pre>
      *
      * <code>string network = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -697,10 +966,8 @@ public java.lang.String getNetwork() {
      * <pre>
      * Required. The full name of the Google Compute Engine
      * [network](https://cloud.google.com/compute/docs/networks-and-firewalls#networks).
-     * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/insert):
+     * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/get):
      * `projects/{project}/global/networks/{network}`.
-     * Where {project} is a project number, as in '12345', and {network} is
-     * network name.
      * </pre>
      *
      * <code>string network = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -725,10 +992,8 @@ public com.google.protobuf.ByteString getNetworkBytes() {
      * <pre>
      * Required. The full name of the Google Compute Engine
      * [network](https://cloud.google.com/compute/docs/networks-and-firewalls#networks).
-     * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/insert):
+     * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/get):
      * `projects/{project}/global/networks/{network}`.
-     * Where {project} is a project number, as in '12345', and {network} is
-     * network name.
      * </pre>
      *
      * <code>string network = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -752,10 +1017,8 @@ public Builder setNetwork(java.lang.String value) {
      * <pre>
      * Required. The full name of the Google Compute Engine
      * [network](https://cloud.google.com/compute/docs/networks-and-firewalls#networks).
-     * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/insert):
+     * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/get):
      * `projects/{project}/global/networks/{network}`.
-     * Where {project} is a project number, as in '12345', and {network} is
-     * network name.
      * </pre>
      *
      * <code>string network = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -775,10 +1038,8 @@ public Builder clearNetwork() {
      * <pre>
      * Required. The full name of the Google Compute Engine
      * [network](https://cloud.google.com/compute/docs/networks-and-firewalls#networks).
-     * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/insert):
+     * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/get):
      * `projects/{project}/global/networks/{network}`.
-     * Where {project} is a project number, as in '12345', and {network} is
-     * network name.
      * </pre>
      *
      * <code>string network = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -797,15 +1058,444 @@ public Builder setNetworkBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private java.lang.Object ipAddress_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. IP address rule created by the PSC service automation.
+     * </pre>
+     *
+     * <code>string ip_address = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The ipAddress.
+     */
+    public java.lang.String getIpAddress() {
+      java.lang.Object ref = ipAddress_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        ipAddress_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. IP address rule created by the PSC service automation.
+     * </pre>
+     *
+     * <code>string ip_address = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for ipAddress.
+     */
+    public com.google.protobuf.ByteString getIpAddressBytes() {
+      java.lang.Object ref = ipAddress_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        ipAddress_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. IP address rule created by the PSC service automation.
+     * </pre>
+     *
+     * <code>string ip_address = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The ipAddress to set.
+     * @return This builder for chaining.
+     */
+    public Builder setIpAddress(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      ipAddress_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. IP address rule created by the PSC service automation.
+     * </pre>
+     *
+     * <code>string ip_address = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearIpAddress() {
+      ipAddress_ = getDefaultInstance().getIpAddress();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. IP address rule created by the PSC service automation.
+     * </pre>
+     *
+     * <code>string ip_address = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for ipAddress to set.
+     * @return This builder for chaining.
+     */
+    public Builder setIpAddressBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      ipAddress_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object forwardingRule_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Forwarding rule created by the PSC service automation.
+     * </pre>
+     *
+     * <code>string forwarding_rule = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The forwardingRule.
+     */
+    public java.lang.String getForwardingRule() {
+      java.lang.Object ref = forwardingRule_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        forwardingRule_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Forwarding rule created by the PSC service automation.
+     * </pre>
+     *
+     * <code>string forwarding_rule = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for forwardingRule.
+     */
+    public com.google.protobuf.ByteString getForwardingRuleBytes() {
+      java.lang.Object ref = forwardingRule_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        forwardingRule_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Forwarding rule created by the PSC service automation.
+     * </pre>
+     *
+     * <code>string forwarding_rule = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The forwardingRule to set.
+     * @return This builder for chaining.
+     */
+    public Builder setForwardingRule(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      forwardingRule_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Forwarding rule created by the PSC service automation.
+     * </pre>
+     *
+     * <code>string forwarding_rule = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearForwardingRule() {
+      forwardingRule_ = getDefaultInstance().getForwardingRule();
+      bitField0_ = (bitField0_ & ~0x00000008);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Forwarding rule created by the PSC service automation.
+     * </pre>
+     *
+     * <code>string forwarding_rule = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for forwardingRule to set.
+     * @return This builder for chaining.
+     */
+    public Builder setForwardingRuleBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      forwardingRule_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    private int state_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of the PSC service automation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.PSCAutomationState state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for state.
+     */
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    public int getStateValue() {
+      return state_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of the PSC service automation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.PSCAutomationState state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for state to set.
+     * @return This builder for chaining.
+     */
+    public Builder setStateValue(int value) {
+      state_ = value;
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of the PSC service automation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.PSCAutomationState state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The state.
+     */
     @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    public com.google.cloud.vertexai.api.PSCAutomationState getState() {
+      com.google.cloud.vertexai.api.PSCAutomationState result =
+          com.google.cloud.vertexai.api.PSCAutomationState.forNumber(state_);
+      return result == null
+          ? com.google.cloud.vertexai.api.PSCAutomationState.UNRECOGNIZED
+          : result;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of the PSC service automation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.PSCAutomationState state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The state to set.
+     * @return This builder for chaining.
+     */
+    public Builder setState(com.google.cloud.vertexai.api.PSCAutomationState value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00000010;
+      state_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of the PSC service automation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.PSCAutomationState state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearState() {
+      bitField0_ = (bitField0_ & ~0x00000010);
+      state_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object errorMessage_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error message if the PSC service automation failed.
+     * </pre>
+     *
+     * <code>string error_message = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The errorMessage.
+     */
+    public java.lang.String getErrorMessage() {
+      java.lang.Object ref = errorMessage_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        errorMessage_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error message if the PSC service automation failed.
+     * </pre>
+     *
+     * <code>string error_message = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for errorMessage.
+     */
+    public com.google.protobuf.ByteString getErrorMessageBytes() {
+      java.lang.Object ref = errorMessage_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        errorMessage_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error message if the PSC service automation failed.
+     * </pre>
+     *
+     * <code>string error_message = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The errorMessage to set.
+     * @return This builder for chaining.
+     */
+    public Builder setErrorMessage(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      errorMessage_ = value;
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error message if the PSC service automation failed.
+     * </pre>
+     *
+     * <code>string error_message = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearErrorMessage() {
+      errorMessage_ = getDefaultInstance().getErrorMessage();
+      bitField0_ = (bitField0_ & ~0x00000020);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Error message if the PSC service automation failed.
+     * </pre>
+     *
+     * <code>string error_message = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for errorMessage to set.
+     * @return This builder for chaining.
+     */
+    public Builder setErrorMessageBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      errorMessage_ = value;
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.PSCAutomationConfig)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PSCAutomationConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PSCAutomationConfigOrBuilder.java
index 576a4b6c6a66..29b8f45b920d 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PSCAutomationConfigOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PSCAutomationConfigOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/service_networking.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface PSCAutomationConfigOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.PSCAutomationConfig)
@@ -56,10 +58,8 @@ public interface PSCAutomationConfigOrBuilder
    * <pre>
    * Required. The full name of the Google Compute Engine
    * [network](https://cloud.google.com/compute/docs/networks-and-firewalls#networks).
-   * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/insert):
+   * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/get):
    * `projects/{project}/global/networks/{network}`.
-   * Where {project} is a project number, as in '12345', and {network} is
-   * network name.
    * </pre>
    *
    * <code>string network = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -74,10 +74,8 @@ public interface PSCAutomationConfigOrBuilder
    * <pre>
    * Required. The full name of the Google Compute Engine
    * [network](https://cloud.google.com/compute/docs/networks-and-firewalls#networks).
-   * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/insert):
+   * [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/get):
    * `projects/{project}/global/networks/{network}`.
-   * Where {project} is a project number, as in '12345', and {network} is
-   * network name.
    * </pre>
    *
    * <code>string network = 2 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -85,4 +83,112 @@ public interface PSCAutomationConfigOrBuilder
    * @return The bytes for network.
    */
   com.google.protobuf.ByteString getNetworkBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. IP address rule created by the PSC service automation.
+   * </pre>
+   *
+   * <code>string ip_address = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The ipAddress.
+   */
+  java.lang.String getIpAddress();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. IP address rule created by the PSC service automation.
+   * </pre>
+   *
+   * <code>string ip_address = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for ipAddress.
+   */
+  com.google.protobuf.ByteString getIpAddressBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Forwarding rule created by the PSC service automation.
+   * </pre>
+   *
+   * <code>string forwarding_rule = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The forwardingRule.
+   */
+  java.lang.String getForwardingRule();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Forwarding rule created by the PSC service automation.
+   * </pre>
+   *
+   * <code>string forwarding_rule = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for forwardingRule.
+   */
+  com.google.protobuf.ByteString getForwardingRuleBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The state of the PSC service automation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.PSCAutomationState state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for state.
+   */
+  int getStateValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The state of the PSC service automation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.PSCAutomationState state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The state.
+   */
+  com.google.cloud.vertexai.api.PSCAutomationState getState();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Error message if the PSC service automation failed.
+   * </pre>
+   *
+   * <code>string error_message = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The errorMessage.
+   */
+  java.lang.String getErrorMessage();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Error message if the PSC service automation failed.
+   * </pre>
+   *
+   * <code>string error_message = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for errorMessage.
+   */
+  com.google.protobuf.ByteString getErrorMessageBytes();
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PSCAutomationState.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PSCAutomationState.java
new file mode 100644
index 000000000000..1e46e09aa82b
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PSCAutomationState.java
@@ -0,0 +1,195 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/service_networking.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * The state of the PSC service automation.
+ * </pre>
+ *
+ * Protobuf enum {@code google.cloud.vertexai.v1.PSCAutomationState}
+ */
+@com.google.protobuf.Generated
+public enum PSCAutomationState implements com.google.protobuf.ProtocolMessageEnum {
+  /**
+   *
+   *
+   * <pre>
+   * Should not be used.
+   * </pre>
+   *
+   * <code>PSC_AUTOMATION_STATE_UNSPECIFIED = 0;</code>
+   */
+  PSC_AUTOMATION_STATE_UNSPECIFIED(0),
+  /**
+   *
+   *
+   * <pre>
+   * The PSC service automation is successful.
+   * </pre>
+   *
+   * <code>PSC_AUTOMATION_STATE_SUCCESSFUL = 1;</code>
+   */
+  PSC_AUTOMATION_STATE_SUCCESSFUL(1),
+  /**
+   *
+   *
+   * <pre>
+   * The PSC service automation has failed.
+   * </pre>
+   *
+   * <code>PSC_AUTOMATION_STATE_FAILED = 2;</code>
+   */
+  PSC_AUTOMATION_STATE_FAILED(2),
+  UNRECOGNIZED(-1),
+  ;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "PSCAutomationState");
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Should not be used.
+   * </pre>
+   *
+   * <code>PSC_AUTOMATION_STATE_UNSPECIFIED = 0;</code>
+   */
+  public static final int PSC_AUTOMATION_STATE_UNSPECIFIED_VALUE = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * The PSC service automation is successful.
+   * </pre>
+   *
+   * <code>PSC_AUTOMATION_STATE_SUCCESSFUL = 1;</code>
+   */
+  public static final int PSC_AUTOMATION_STATE_SUCCESSFUL_VALUE = 1;
+
+  /**
+   *
+   *
+   * <pre>
+   * The PSC service automation has failed.
+   * </pre>
+   *
+   * <code>PSC_AUTOMATION_STATE_FAILED = 2;</code>
+   */
+  public static final int PSC_AUTOMATION_STATE_FAILED_VALUE = 2;
+
+  public final int getNumber() {
+    if (this == UNRECOGNIZED) {
+      throw new java.lang.IllegalArgumentException(
+          "Can't get the number of an unknown enum value.");
+    }
+    return value;
+  }
+
+  /**
+   * @param value The numeric wire value of the corresponding enum entry.
+   * @return The enum associated with the given numeric wire value.
+   * @deprecated Use {@link #forNumber(int)} instead.
+   */
+  @java.lang.Deprecated
+  public static PSCAutomationState valueOf(int value) {
+    return forNumber(value);
+  }
+
+  /**
+   * @param value The numeric wire value of the corresponding enum entry.
+   * @return The enum associated with the given numeric wire value.
+   */
+  public static PSCAutomationState forNumber(int value) {
+    switch (value) {
+      case 0:
+        return PSC_AUTOMATION_STATE_UNSPECIFIED;
+      case 1:
+        return PSC_AUTOMATION_STATE_SUCCESSFUL;
+      case 2:
+        return PSC_AUTOMATION_STATE_FAILED;
+      default:
+        return null;
+    }
+  }
+
+  public static com.google.protobuf.Internal.EnumLiteMap<PSCAutomationState> internalGetValueMap() {
+    return internalValueMap;
+  }
+
+  private static final com.google.protobuf.Internal.EnumLiteMap<PSCAutomationState>
+      internalValueMap =
+          new com.google.protobuf.Internal.EnumLiteMap<PSCAutomationState>() {
+            public PSCAutomationState findValueByNumber(int number) {
+              return PSCAutomationState.forNumber(number);
+            }
+          };
+
+  public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+    if (this == UNRECOGNIZED) {
+      throw new java.lang.IllegalStateException(
+          "Can't get the descriptor of an unrecognized enum value.");
+    }
+    return getDescriptor().getValues().get(ordinal());
+  }
+
+  public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+    return getDescriptor();
+  }
+
+  public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ServiceNetworkingProto.getDescriptor()
+        .getEnumTypes()
+        .get(0);
+  }
+
+  private static final PSCAutomationState[] VALUES = values();
+
+  public static PSCAutomationState valueOf(
+      com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+    if (desc.getType() != getDescriptor()) {
+      throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+    }
+    if (desc.getIndex() == -1) {
+      return UNRECOGNIZED;
+    }
+    return VALUES[desc.getIndex()];
+  }
+
+  private final int value;
+
+  private PSCAutomationState(int value) {
+    this.value = value;
+  }
+
+  // @@protoc_insertion_point(enum_scope:google.cloud.vertexai.v1.PSCAutomationState)
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Part.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Part.java
index 147c3cafb389..bf9fc403c56f 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Part.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Part.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -34,23 +35,30 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Part}
  */
-public final class Part extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Part extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Part)
     PartOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Part");
+  }
+
   // Use Part.newBuilder() to construct.
-  private Part(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Part(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
-  private Part() {}
-
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Part();
+  private Part() {
+    thoughtSignature_ = com.google.protobuf.ByteString.EMPTY;
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -59,7 +67,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_Part_fieldAccessorTable
@@ -626,6 +634,45 @@ public com.google.cloud.vertexai.api.CodeExecutionResult getCodeExecutionResult(
     return com.google.cloud.vertexai.api.CodeExecutionResult.getDefaultInstance();
   }
 
+  public static final int THOUGHT_FIELD_NUMBER = 10;
+  private boolean thought_ = false;
+
+  /**
+   *
+   *
+   * <pre>
+   * Indicates if the part is thought from the model.
+   * </pre>
+   *
+   * <code>bool thought = 10 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The thought.
+   */
+  @java.lang.Override
+  public boolean getThought() {
+    return thought_;
+  }
+
+  public static final int THOUGHT_SIGNATURE_FIELD_NUMBER = 11;
+  private com.google.protobuf.ByteString thoughtSignature_ = com.google.protobuf.ByteString.EMPTY;
+
+  /**
+   *
+   *
+   * <pre>
+   * An opaque signature for the thought so it can be reused in subsequent
+   * requests.
+   * </pre>
+   *
+   * <code>bytes thought_signature = 11 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The thoughtSignature.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getThoughtSignature() {
+    return thoughtSignature_;
+  }
+
   public static final int VIDEO_METADATA_FIELD_NUMBER = 4;
 
   /**
@@ -704,7 +751,7 @@ public final boolean isInitialized() {
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
     if (dataCase_ == 1) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, data_);
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, data_);
     }
     if (dataCase_ == 2) {
       output.writeMessage(2, (com.google.cloud.vertexai.api.Blob) data_);
@@ -727,6 +774,12 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (dataCase_ == 9) {
       output.writeMessage(9, (com.google.cloud.vertexai.api.CodeExecutionResult) data_);
     }
+    if (thought_ != false) {
+      output.writeBool(10, thought_);
+    }
+    if (!thoughtSignature_.isEmpty()) {
+      output.writeBytes(11, thoughtSignature_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -737,7 +790,7 @@ public int getSerializedSize() {
 
     size = 0;
     if (dataCase_ == 1) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, data_);
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, data_);
     }
     if (dataCase_ == 2) {
       size +=
@@ -774,6 +827,12 @@ public int getSerializedSize() {
           com.google.protobuf.CodedOutputStream.computeMessageSize(
               9, (com.google.cloud.vertexai.api.CodeExecutionResult) data_);
     }
+    if (thought_ != false) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(10, thought_);
+    }
+    if (!thoughtSignature_.isEmpty()) {
+      size += com.google.protobuf.CodedOutputStream.computeBytesSize(11, thoughtSignature_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -789,6 +848,8 @@ public boolean equals(final java.lang.Object obj) {
     }
     com.google.cloud.vertexai.api.Part other = (com.google.cloud.vertexai.api.Part) obj;
 
+    if (getThought() != other.getThought()) return false;
+    if (!getThoughtSignature().equals(other.getThoughtSignature())) return false;
     if (!getDataCase().equals(other.getDataCase())) return false;
     switch (dataCase_) {
       case 1:
@@ -834,6 +895,10 @@ public int hashCode() {
     }
     int hash = 41;
     hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + THOUGHT_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getThought());
+    hash = (37 * hash) + THOUGHT_SIGNATURE_FIELD_NUMBER;
+    hash = (53 * hash) + getThoughtSignature().hashCode();
     switch (dataCase_) {
       case 1:
         hash = (37 * hash) + TEXT_FIELD_NUMBER;
@@ -915,38 +980,38 @@ public static com.google.cloud.vertexai.api.Part parseFrom(
 
   public static com.google.cloud.vertexai.api.Part parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Part parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Part parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Part parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Part parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Part parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -969,7 +1034,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -989,7 +1054,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Part}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Part)
       com.google.cloud.vertexai.api.PartOrBuilder {
@@ -999,7 +1064,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_Part_fieldAccessorTable
@@ -1011,7 +1076,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.Part.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -1037,6 +1102,8 @@ public Builder clear() {
       if (codeExecutionResultBuilder_ != null) {
         codeExecutionResultBuilder_.clear();
       }
+      thought_ = false;
+      thoughtSignature_ = com.google.protobuf.ByteString.EMPTY;
       if (videoMetadataBuilder_ != null) {
         videoMetadataBuilder_.clear();
       }
@@ -1080,6 +1147,12 @@ public com.google.cloud.vertexai.api.Part buildPartial() {
 
     private void buildPartial0(com.google.cloud.vertexai.api.Part result) {
       int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000080) != 0)) {
+        result.thought_ = thought_;
+      }
+      if (((from_bitField0_ & 0x00000100) != 0)) {
+        result.thoughtSignature_ = thoughtSignature_;
+      }
     }
 
     private void buildPartialOneofs(com.google.cloud.vertexai.api.Part result) {
@@ -1110,39 +1183,6 @@ private void buildPartialOneofs(com.google.cloud.vertexai.api.Part result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Part) {
@@ -1155,6 +1195,12 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
 
     public Builder mergeFrom(com.google.cloud.vertexai.api.Part other) {
       if (other == com.google.cloud.vertexai.api.Part.getDefaultInstance()) return this;
+      if (other.getThought() != false) {
+        setThought(other.getThought());
+      }
+      if (!other.getThoughtSignature().isEmpty()) {
+        setThoughtSignature(other.getThoughtSignature());
+      }
       switch (other.getDataCase()) {
         case TEXT:
           {
@@ -1244,48 +1290,65 @@ public Builder mergeFrom(
               } // case 10
             case 18:
               {
-                input.readMessage(getInlineDataFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetInlineDataFieldBuilder().getBuilder(), extensionRegistry);
                 dataCase_ = 2;
                 break;
               } // case 18
             case 26:
               {
-                input.readMessage(getFileDataFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetFileDataFieldBuilder().getBuilder(), extensionRegistry);
                 dataCase_ = 3;
                 break;
               } // case 26
             case 34:
               {
-                input.readMessage(getVideoMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetVideoMetadataFieldBuilder().getBuilder(), extensionRegistry);
                 metadataCase_ = 4;
                 break;
               } // case 34
             case 42:
               {
-                input.readMessage(getFunctionCallFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetFunctionCallFieldBuilder().getBuilder(), extensionRegistry);
                 dataCase_ = 5;
                 break;
               } // case 42
             case 50:
               {
                 input.readMessage(
-                    getFunctionResponseFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetFunctionResponseFieldBuilder().getBuilder(), extensionRegistry);
                 dataCase_ = 6;
                 break;
               } // case 50
             case 66:
               {
-                input.readMessage(getExecutableCodeFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetExecutableCodeFieldBuilder().getBuilder(), extensionRegistry);
                 dataCase_ = 8;
                 break;
               } // case 66
             case 74:
               {
                 input.readMessage(
-                    getCodeExecutionResultFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetCodeExecutionResultFieldBuilder().getBuilder(), extensionRegistry);
                 dataCase_ = 9;
                 break;
               } // case 74
+            case 80:
+              {
+                thought_ = input.readBool();
+                bitField0_ |= 0x00000080;
+                break;
+              } // case 80
+            case 90:
+              {
+                thoughtSignature_ = input.readBytes();
+                bitField0_ |= 0x00000100;
+                break;
+              } // case 90
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -1472,7 +1535,7 @@ public Builder setTextBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Blob,
             com.google.cloud.vertexai.api.Blob.Builder,
             com.google.cloud.vertexai.api.BlobOrBuilder>
@@ -1645,7 +1708,7 @@ public Builder clearInlineData() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Blob.Builder getInlineDataBuilder() {
-      return getInlineDataFieldBuilder().getBuilder();
+      return internalGetInlineDataFieldBuilder().getBuilder();
     }
 
     /**
@@ -1682,17 +1745,17 @@ public com.google.cloud.vertexai.api.BlobOrBuilder getInlineDataOrBuilder() {
      * .google.cloud.vertexai.v1.Blob inline_data = 2 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Blob,
             com.google.cloud.vertexai.api.Blob.Builder,
             com.google.cloud.vertexai.api.BlobOrBuilder>
-        getInlineDataFieldBuilder() {
+        internalGetInlineDataFieldBuilder() {
       if (inlineDataBuilder_ == null) {
         if (!(dataCase_ == 2)) {
           data_ = com.google.cloud.vertexai.api.Blob.getDefaultInstance();
         }
         inlineDataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Blob,
                 com.google.cloud.vertexai.api.Blob.Builder,
                 com.google.cloud.vertexai.api.BlobOrBuilder>(
@@ -1704,7 +1767,7 @@ public com.google.cloud.vertexai.api.BlobOrBuilder getInlineDataOrBuilder() {
       return inlineDataBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.FileData,
             com.google.cloud.vertexai.api.FileData.Builder,
             com.google.cloud.vertexai.api.FileDataOrBuilder>
@@ -1878,7 +1941,7 @@ public Builder clearFileData() {
      * </code>
      */
     public com.google.cloud.vertexai.api.FileData.Builder getFileDataBuilder() {
-      return getFileDataFieldBuilder().getBuilder();
+      return internalGetFileDataFieldBuilder().getBuilder();
     }
 
     /**
@@ -1915,17 +1978,17 @@ public com.google.cloud.vertexai.api.FileDataOrBuilder getFileDataOrBuilder() {
      * .google.cloud.vertexai.v1.FileData file_data = 3 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.FileData,
             com.google.cloud.vertexai.api.FileData.Builder,
             com.google.cloud.vertexai.api.FileDataOrBuilder>
-        getFileDataFieldBuilder() {
+        internalGetFileDataFieldBuilder() {
       if (fileDataBuilder_ == null) {
         if (!(dataCase_ == 3)) {
           data_ = com.google.cloud.vertexai.api.FileData.getDefaultInstance();
         }
         fileDataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.FileData,
                 com.google.cloud.vertexai.api.FileData.Builder,
                 com.google.cloud.vertexai.api.FileDataOrBuilder>(
@@ -1937,7 +2000,7 @@ public com.google.cloud.vertexai.api.FileDataOrBuilder getFileDataOrBuilder() {
       return fileDataBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.FunctionCall,
             com.google.cloud.vertexai.api.FunctionCall.Builder,
             com.google.cloud.vertexai.api.FunctionCallOrBuilder>
@@ -2126,7 +2189,7 @@ public Builder clearFunctionCall() {
      * </code>
      */
     public com.google.cloud.vertexai.api.FunctionCall.Builder getFunctionCallBuilder() {
-      return getFunctionCallFieldBuilder().getBuilder();
+      return internalGetFunctionCallFieldBuilder().getBuilder();
     }
 
     /**
@@ -2167,17 +2230,17 @@ public com.google.cloud.vertexai.api.FunctionCallOrBuilder getFunctionCallOrBuil
      * .google.cloud.vertexai.v1.FunctionCall function_call = 5 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.FunctionCall,
             com.google.cloud.vertexai.api.FunctionCall.Builder,
             com.google.cloud.vertexai.api.FunctionCallOrBuilder>
-        getFunctionCallFieldBuilder() {
+        internalGetFunctionCallFieldBuilder() {
       if (functionCallBuilder_ == null) {
         if (!(dataCase_ == 5)) {
           data_ = com.google.cloud.vertexai.api.FunctionCall.getDefaultInstance();
         }
         functionCallBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.FunctionCall,
                 com.google.cloud.vertexai.api.FunctionCall.Builder,
                 com.google.cloud.vertexai.api.FunctionCallOrBuilder>(
@@ -2191,7 +2254,7 @@ public com.google.cloud.vertexai.api.FunctionCallOrBuilder getFunctionCallOrBuil
       return functionCallBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.FunctionResponse,
             com.google.cloud.vertexai.api.FunctionResponse.Builder,
             com.google.cloud.vertexai.api.FunctionResponseOrBuilder>
@@ -2387,7 +2450,7 @@ public Builder clearFunctionResponse() {
      * </code>
      */
     public com.google.cloud.vertexai.api.FunctionResponse.Builder getFunctionResponseBuilder() {
-      return getFunctionResponseFieldBuilder().getBuilder();
+      return internalGetFunctionResponseFieldBuilder().getBuilder();
     }
 
     /**
@@ -2430,17 +2493,17 @@ public com.google.cloud.vertexai.api.FunctionResponseOrBuilder getFunctionRespon
      * .google.cloud.vertexai.v1.FunctionResponse function_response = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.FunctionResponse,
             com.google.cloud.vertexai.api.FunctionResponse.Builder,
             com.google.cloud.vertexai.api.FunctionResponseOrBuilder>
-        getFunctionResponseFieldBuilder() {
+        internalGetFunctionResponseFieldBuilder() {
       if (functionResponseBuilder_ == null) {
         if (!(dataCase_ == 6)) {
           data_ = com.google.cloud.vertexai.api.FunctionResponse.getDefaultInstance();
         }
         functionResponseBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.FunctionResponse,
                 com.google.cloud.vertexai.api.FunctionResponse.Builder,
                 com.google.cloud.vertexai.api.FunctionResponseOrBuilder>(
@@ -2454,7 +2517,7 @@ public com.google.cloud.vertexai.api.FunctionResponseOrBuilder getFunctionRespon
       return functionResponseBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExecutableCode,
             com.google.cloud.vertexai.api.ExecutableCode.Builder,
             com.google.cloud.vertexai.api.ExecutableCodeOrBuilder>
@@ -2629,7 +2692,7 @@ public Builder clearExecutableCode() {
      * </code>
      */
     public com.google.cloud.vertexai.api.ExecutableCode.Builder getExecutableCodeBuilder() {
-      return getExecutableCodeFieldBuilder().getBuilder();
+      return internalGetExecutableCodeFieldBuilder().getBuilder();
     }
 
     /**
@@ -2666,17 +2729,17 @@ public com.google.cloud.vertexai.api.ExecutableCodeOrBuilder getExecutableCodeOr
      * .google.cloud.vertexai.v1.ExecutableCode executable_code = 8 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.ExecutableCode,
             com.google.cloud.vertexai.api.ExecutableCode.Builder,
             com.google.cloud.vertexai.api.ExecutableCodeOrBuilder>
-        getExecutableCodeFieldBuilder() {
+        internalGetExecutableCodeFieldBuilder() {
       if (executableCodeBuilder_ == null) {
         if (!(dataCase_ == 8)) {
           data_ = com.google.cloud.vertexai.api.ExecutableCode.getDefaultInstance();
         }
         executableCodeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.ExecutableCode,
                 com.google.cloud.vertexai.api.ExecutableCode.Builder,
                 com.google.cloud.vertexai.api.ExecutableCodeOrBuilder>(
@@ -2690,7 +2753,7 @@ public com.google.cloud.vertexai.api.ExecutableCodeOrBuilder getExecutableCodeOr
       return executableCodeBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.CodeExecutionResult,
             com.google.cloud.vertexai.api.CodeExecutionResult.Builder,
             com.google.cloud.vertexai.api.CodeExecutionResultOrBuilder>
@@ -2867,7 +2930,7 @@ public Builder clearCodeExecutionResult() {
      */
     public com.google.cloud.vertexai.api.CodeExecutionResult.Builder
         getCodeExecutionResultBuilder() {
-      return getCodeExecutionResultFieldBuilder().getBuilder();
+      return internalGetCodeExecutionResultFieldBuilder().getBuilder();
     }
 
     /**
@@ -2905,17 +2968,17 @@ public Builder clearCodeExecutionResult() {
      * .google.cloud.vertexai.v1.CodeExecutionResult code_execution_result = 9 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.CodeExecutionResult,
             com.google.cloud.vertexai.api.CodeExecutionResult.Builder,
             com.google.cloud.vertexai.api.CodeExecutionResultOrBuilder>
-        getCodeExecutionResultFieldBuilder() {
+        internalGetCodeExecutionResultFieldBuilder() {
       if (codeExecutionResultBuilder_ == null) {
         if (!(dataCase_ == 9)) {
           data_ = com.google.cloud.vertexai.api.CodeExecutionResult.getDefaultInstance();
         }
         codeExecutionResultBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.CodeExecutionResult,
                 com.google.cloud.vertexai.api.CodeExecutionResult.Builder,
                 com.google.cloud.vertexai.api.CodeExecutionResultOrBuilder>(
@@ -2929,7 +2992,124 @@ public Builder clearCodeExecutionResult() {
       return codeExecutionResultBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private boolean thought_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Indicates if the part is thought from the model.
+     * </pre>
+     *
+     * <code>bool thought = 10 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The thought.
+     */
+    @java.lang.Override
+    public boolean getThought() {
+      return thought_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Indicates if the part is thought from the model.
+     * </pre>
+     *
+     * <code>bool thought = 10 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The thought to set.
+     * @return This builder for chaining.
+     */
+    public Builder setThought(boolean value) {
+
+      thought_ = value;
+      bitField0_ |= 0x00000080;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Indicates if the part is thought from the model.
+     * </pre>
+     *
+     * <code>bool thought = 10 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearThought() {
+      bitField0_ = (bitField0_ & ~0x00000080);
+      thought_ = false;
+      onChanged();
+      return this;
+    }
+
+    private com.google.protobuf.ByteString thoughtSignature_ = com.google.protobuf.ByteString.EMPTY;
+
+    /**
+     *
+     *
+     * <pre>
+     * An opaque signature for the thought so it can be reused in subsequent
+     * requests.
+     * </pre>
+     *
+     * <code>bytes thought_signature = 11 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The thoughtSignature.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getThoughtSignature() {
+      return thoughtSignature_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * An opaque signature for the thought so it can be reused in subsequent
+     * requests.
+     * </pre>
+     *
+     * <code>bytes thought_signature = 11 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The thoughtSignature to set.
+     * @return This builder for chaining.
+     */
+    public Builder setThoughtSignature(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      thoughtSignature_ = value;
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * An opaque signature for the thought so it can be reused in subsequent
+     * requests.
+     * </pre>
+     *
+     * <code>bytes thought_signature = 11 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearThoughtSignature() {
+      bitField0_ = (bitField0_ & ~0x00000100);
+      thoughtSignature_ = getDefaultInstance().getThoughtSignature();
+      onChanged();
+      return this;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.VideoMetadata,
             com.google.cloud.vertexai.api.VideoMetadata.Builder,
             com.google.cloud.vertexai.api.VideoMetadataOrBuilder>
@@ -3111,7 +3291,7 @@ public Builder clearVideoMetadata() {
      * </code>
      */
     public com.google.cloud.vertexai.api.VideoMetadata.Builder getVideoMetadataBuilder() {
-      return getVideoMetadataFieldBuilder().getBuilder();
+      return internalGetVideoMetadataFieldBuilder().getBuilder();
     }
 
     /**
@@ -3150,17 +3330,17 @@ public com.google.cloud.vertexai.api.VideoMetadataOrBuilder getVideoMetadataOrBu
      * .google.cloud.vertexai.v1.VideoMetadata video_metadata = 4 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.VideoMetadata,
             com.google.cloud.vertexai.api.VideoMetadata.Builder,
             com.google.cloud.vertexai.api.VideoMetadataOrBuilder>
-        getVideoMetadataFieldBuilder() {
+        internalGetVideoMetadataFieldBuilder() {
       if (videoMetadataBuilder_ == null) {
         if (!(metadataCase_ == 4)) {
           metadata_ = com.google.cloud.vertexai.api.VideoMetadata.getDefaultInstance();
         }
         videoMetadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.VideoMetadata,
                 com.google.cloud.vertexai.api.VideoMetadata.Builder,
                 com.google.cloud.vertexai.api.VideoMetadataOrBuilder>(
@@ -3174,17 +3354,6 @@ public com.google.cloud.vertexai.api.VideoMetadataOrBuilder getVideoMetadataOrBu
       return videoMetadataBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Part)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PartOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PartOrBuilder.java
index 8a2865a54017..188ea477c91f 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PartOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PartOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface PartOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Part)
@@ -333,6 +335,33 @@ public interface PartOrBuilder
    */
   com.google.cloud.vertexai.api.CodeExecutionResultOrBuilder getCodeExecutionResultOrBuilder();
 
+  /**
+   *
+   *
+   * <pre>
+   * Indicates if the part is thought from the model.
+   * </pre>
+   *
+   * <code>bool thought = 10 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The thought.
+   */
+  boolean getThought();
+
+  /**
+   *
+   *
+   * <pre>
+   * An opaque signature for the thought so it can be reused in subsequent
+   * requests.
+   * </pre>
+   *
+   * <code>bytes thought_signature = 11 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The thoughtSignature.
+   */
+  com.google.protobuf.ByteString getThoughtSignature();
+
   /**
    *
    *
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PartialArg.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PartialArg.java
new file mode 100644
index 000000000000..9f6ed9a3b804
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PartialArg.java
@@ -0,0 +1,1521 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Partial argument value of the function call.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.PartialArg}
+ */
+@com.google.protobuf.Generated
+public final class PartialArg extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.PartialArg)
+    PartialArgOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "PartialArg");
+  }
+
+  // Use PartialArg.newBuilder() to construct.
+  private PartialArg(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private PartialArg() {
+    jsonPath_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ToolProto
+        .internal_static_google_cloud_vertexai_v1_PartialArg_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ToolProto
+        .internal_static_google_cloud_vertexai_v1_PartialArg_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.PartialArg.class,
+            com.google.cloud.vertexai.api.PartialArg.Builder.class);
+  }
+
+  private int deltaCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object delta_;
+
+  public enum DeltaCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    NULL_VALUE(2),
+    NUMBER_VALUE(3),
+    STRING_VALUE(4),
+    BOOL_VALUE(5),
+    DELTA_NOT_SET(0);
+    private final int value;
+
+    private DeltaCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static DeltaCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static DeltaCase forNumber(int value) {
+      switch (value) {
+        case 2:
+          return NULL_VALUE;
+        case 3:
+          return NUMBER_VALUE;
+        case 4:
+          return STRING_VALUE;
+        case 5:
+          return BOOL_VALUE;
+        case 0:
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+        default:
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+    return DeltaCase.forNumber(deltaCase_);
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+
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+   *
+   * <pre>
+   * Optional. Represents a null value.
+   * </pre>
+   *
+   * <code>.google.protobuf.NullValue null_value = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the nullValue field is set.
+   */
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+    return deltaCase_ == 2;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a null value.
+   * </pre>
+   *
+   * <code>.google.protobuf.NullValue null_value = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for nullValue.
+   */
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+    if (deltaCase_ == 2) {
+      return (java.lang.Integer) delta_;
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+    return 0;
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+   *
+   * <pre>
+   * Optional. Represents a null value.
+   * </pre>
+   *
+   * <code>.google.protobuf.NullValue null_value = 2 [(.google.api.field_behavior) = OPTIONAL];
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+   *
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+   *
+   *
+   * <pre>
+   * Optional. Represents a double value.
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+   *
+   * <code>double number_value = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the numberValue field is set.
+   */
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+  public boolean hasNumberValue() {
+    return deltaCase_ == 3;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a double value.
+   * </pre>
+   *
+   * <code>double number_value = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The numberValue.
+   */
+  @java.lang.Override
+  public double getNumberValue() {
+    if (deltaCase_ == 3) {
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+
+  public static final int STRING_VALUE_FIELD_NUMBER = 4;
+
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+   *
+   *
+   * <pre>
+   * Optional. Represents a string value.
+   * </pre>
+   *
+   * <code>string string_value = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the stringValue field is set.
+   */
+  public boolean hasStringValue() {
+    return deltaCase_ == 4;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a string value.
+   * </pre>
+   *
+   * <code>string string_value = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The stringValue.
+   */
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+    java.lang.Object ref = "";
+    if (deltaCase_ == 4) {
+      ref = delta_;
+    }
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
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+      java.lang.String s = bs.toStringUtf8();
+      if (deltaCase_ == 4) {
+        delta_ = s;
+      }
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a string value.
+   * </pre>
+   *
+   * <code>string string_value = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for stringValue.
+   */
+  public com.google.protobuf.ByteString getStringValueBytes() {
+    java.lang.Object ref = "";
+    if (deltaCase_ == 4) {
+      ref = delta_;
+    }
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
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+      return b;
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+
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+
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+   *
+   *
+   * <pre>
+   * Optional. Represents a boolean value.
+   * </pre>
+   *
+   * <code>bool bool_value = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the boolValue field is set.
+   */
+  @java.lang.Override
+  public boolean hasBoolValue() {
+    return deltaCase_ == 5;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a boolean value.
+   * </pre>
+   *
+   * <code>bool bool_value = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The boolValue.
+   */
+  @java.lang.Override
+  public boolean getBoolValue() {
+    if (deltaCase_ == 5) {
+      return (java.lang.Boolean) delta_;
+    }
+    return false;
+  }
+
+  public static final int JSON_PATH_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object jsonPath_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. A JSON Path (RFC 9535) to the argument being streamed.
+   * https://datatracker.ietf.org/doc/html/rfc9535. e.g. "$.foo.bar[0].data".
+   * </pre>
+   *
+   * <code>string json_path = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The jsonPath.
+   */
+  @java.lang.Override
+  public java.lang.String getJsonPath() {
+    java.lang.Object ref = jsonPath_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      jsonPath_ = s;
+      return s;
+    }
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+
+  /**
+   *
+   *
+   * <pre>
+   * Required. A JSON Path (RFC 9535) to the argument being streamed.
+   * https://datatracker.ietf.org/doc/html/rfc9535. e.g. "$.foo.bar[0].data".
+   * </pre>
+   *
+   * <code>string json_path = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for jsonPath.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getJsonPathBytes() {
+    java.lang.Object ref = jsonPath_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      jsonPath_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int WILL_CONTINUE_FIELD_NUMBER = 6;
+  private boolean willContinue_ = false;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether this is not the last part of the same json_path.
+   * If true, another PartialArg message for the current json_path is expected
+   * to follow.
+   * </pre>
+   *
+   * <code>bool will_continue = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The willContinue.
+   */
+  @java.lang.Override
+  public boolean getWillContinue() {
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+  }
+
+  private byte memoizedIsInitialized = -1;
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+  @java.lang.Override
+  public final boolean isInitialized() {
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+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
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+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
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+      com.google.protobuf.GeneratedMessage.writeString(output, 1, jsonPath_);
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+    if (deltaCase_ == 2) {
+      output.writeEnum(2, ((java.lang.Integer) delta_));
+    }
+    if (deltaCase_ == 3) {
+      output.writeDouble(3, (double) ((java.lang.Double) delta_));
+    }
+    if (deltaCase_ == 4) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 4, delta_);
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+    if (deltaCase_ == 5) {
+      output.writeBool(5, (boolean) ((java.lang.Boolean) delta_));
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+  @java.lang.Override
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+    int size = memoizedSize;
+    if (size != -1) return size;
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+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(jsonPath_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, jsonPath_);
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+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
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+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.PartialArg)) {
+      return super.equals(obj);
+    }
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+        break;
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+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
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+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
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+    hash = (53 * hash) + getJsonPath().hashCode();
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+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.PartialArg parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
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+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.PartialArg parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
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+
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+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
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+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
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+
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+     * </pre>
+     *
+     * <code>string json_path = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The bytes for jsonPath to set.
+     * @return This builder for chaining.
+     */
+    public Builder setJsonPathBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      jsonPath_ = value;
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    private boolean willContinue_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether this is not the last part of the same json_path.
+     * If true, another PartialArg message for the current json_path is expected
+     * to follow.
+     * </pre>
+     *
+     * <code>bool will_continue = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The willContinue.
+     */
+    @java.lang.Override
+    public boolean getWillContinue() {
+      return willContinue_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether this is not the last part of the same json_path.
+     * If true, another PartialArg message for the current json_path is expected
+     * to follow.
+     * </pre>
+     *
+     * <code>bool will_continue = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The willContinue to set.
+     * @return This builder for chaining.
+     */
+    public Builder setWillContinue(boolean value) {
+
+      willContinue_ = value;
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Whether this is not the last part of the same json_path.
+     * If true, another PartialArg message for the current json_path is expected
+     * to follow.
+     * </pre>
+     *
+     * <code>bool will_continue = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearWillContinue() {
+      bitField0_ = (bitField0_ & ~0x00000020);
+      willContinue_ = false;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.PartialArg)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.PartialArg)
+  private static final com.google.cloud.vertexai.api.PartialArg DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.PartialArg();
+  }
+
+  public static com.google.cloud.vertexai.api.PartialArg getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<PartialArg> PARSER =
+      new com.google.protobuf.AbstractParser<PartialArg>() {
+        @java.lang.Override
+        public PartialArg parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<PartialArg> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<PartialArg> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.PartialArg getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PartialArgOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PartialArgOrBuilder.java
new file mode 100644
index 000000000000..4058832fcf08
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PartialArgOrBuilder.java
@@ -0,0 +1,206 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface PartialArgOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.PartialArg)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a null value.
+   * </pre>
+   *
+   * <code>.google.protobuf.NullValue null_value = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the nullValue field is set.
+   */
+  boolean hasNullValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a null value.
+   * </pre>
+   *
+   * <code>.google.protobuf.NullValue null_value = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for nullValue.
+   */
+  int getNullValueValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a null value.
+   * </pre>
+   *
+   * <code>.google.protobuf.NullValue null_value = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The nullValue.
+   */
+  com.google.protobuf.NullValue getNullValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a double value.
+   * </pre>
+   *
+   * <code>double number_value = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the numberValue field is set.
+   */
+  boolean hasNumberValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a double value.
+   * </pre>
+   *
+   * <code>double number_value = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The numberValue.
+   */
+  double getNumberValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a string value.
+   * </pre>
+   *
+   * <code>string string_value = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the stringValue field is set.
+   */
+  boolean hasStringValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a string value.
+   * </pre>
+   *
+   * <code>string string_value = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The stringValue.
+   */
+  java.lang.String getStringValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a string value.
+   * </pre>
+   *
+   * <code>string string_value = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for stringValue.
+   */
+  com.google.protobuf.ByteString getStringValueBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a boolean value.
+   * </pre>
+   *
+   * <code>bool bool_value = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return Whether the boolValue field is set.
+   */
+  boolean hasBoolValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Represents a boolean value.
+   * </pre>
+   *
+   * <code>bool bool_value = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The boolValue.
+   */
+  boolean getBoolValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. A JSON Path (RFC 9535) to the argument being streamed.
+   * https://datatracker.ietf.org/doc/html/rfc9535. e.g. "$.foo.bar[0].data".
+   * </pre>
+   *
+   * <code>string json_path = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The jsonPath.
+   */
+  java.lang.String getJsonPath();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. A JSON Path (RFC 9535) to the argument being streamed.
+   * https://datatracker.ietf.org/doc/html/rfc9535. e.g. "$.foo.bar[0].data".
+   * </pre>
+   *
+   * <code>string json_path = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for jsonPath.
+   */
+  com.google.protobuf.ByteString getJsonPathBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Whether this is not the last part of the same json_path.
+   * If true, another PartialArg message for the current json_path is expected
+   * to follow.
+   * </pre>
+   *
+   * <code>bool will_continue = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The willContinue.
+   */
+  boolean getWillContinue();
+
+  com.google.cloud.vertexai.api.PartialArg.DeltaCase getDeltaCase();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PersistentDiskSpec.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PersistentDiskSpec.java
index c369f2ea94e7..0382a3632a2e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PersistentDiskSpec.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PersistentDiskSpec.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.PersistentDiskSpec}
  */
-public final class PersistentDiskSpec extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class PersistentDiskSpec extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.PersistentDiskSpec)
     PersistentDiskSpecOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "PersistentDiskSpec");
+  }
+
   // Use PersistentDiskSpec.newBuilder() to construct.
-  private PersistentDiskSpec(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private PersistentDiskSpec(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private PersistentDiskSpec() {
     diskType_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new PersistentDiskSpec();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_PersistentDiskSpec_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_PersistentDiskSpec_fieldAccessorTable
@@ -159,8 +165,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(diskType_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, diskType_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(diskType_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, diskType_);
     }
     if (diskSizeGb_ != 0L) {
       output.writeInt64(2, diskSizeGb_);
@@ -174,8 +180,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(diskType_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, diskType_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(diskType_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, diskType_);
     }
     if (diskSizeGb_ != 0L) {
       size += com.google.protobuf.CodedOutputStream.computeInt64Size(2, diskSizeGb_);
@@ -255,38 +261,38 @@ public static com.google.cloud.vertexai.api.PersistentDiskSpec parseFrom(
 
   public static com.google.cloud.vertexai.api.PersistentDiskSpec parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PersistentDiskSpec parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PersistentDiskSpec parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PersistentDiskSpec parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PersistentDiskSpec parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PersistentDiskSpec parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -309,7 +315,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -324,7 +330,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.PersistentDiskSpec}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.PersistentDiskSpec)
       com.google.cloud.vertexai.api.PersistentDiskSpecOrBuilder {
@@ -334,7 +340,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.MachineResourcesProto
           .internal_static_google_cloud_vertexai_v1_PersistentDiskSpec_fieldAccessorTable
@@ -346,7 +352,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.PersistentDiskSpec.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -400,39 +406,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.PersistentDiskSpec resu
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.PersistentDiskSpec) {
@@ -698,17 +671,6 @@ public Builder clearDiskSizeGb() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.PersistentDiskSpec)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PersistentDiskSpecOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PersistentDiskSpecOrBuilder.java
index b117719ec107..1908e952ccb0 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PersistentDiskSpecOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PersistentDiskSpecOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface PersistentDiskSpecOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.PersistentDiskSpec)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrebuiltVoiceConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrebuiltVoiceConfig.java
new file mode 100644
index 000000000000..f5af26ac3623
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrebuiltVoiceConfig.java
@@ -0,0 +1,636 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Configuration for a prebuilt voice.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.PrebuiltVoiceConfig}
+ */
+@com.google.protobuf.Generated
+public final class PrebuiltVoiceConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.PrebuiltVoiceConfig)
+    PrebuiltVoiceConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "PrebuiltVoiceConfig");
+  }
+
+  // Use PrebuiltVoiceConfig.newBuilder() to construct.
+  private PrebuiltVoiceConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private PrebuiltVoiceConfig() {
+    voiceName_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_PrebuiltVoiceConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_PrebuiltVoiceConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.PrebuiltVoiceConfig.class,
+            com.google.cloud.vertexai.api.PrebuiltVoiceConfig.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int VOICE_NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object voiceName_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * The name of the prebuilt voice to use.
+   * </pre>
+   *
+   * <code>optional string voice_name = 1;</code>
+   *
+   * @return Whether the voiceName field is set.
+   */
+  @java.lang.Override
+  public boolean hasVoiceName() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The name of the prebuilt voice to use.
+   * </pre>
+   *
+   * <code>optional string voice_name = 1;</code>
+   *
+   * @return The voiceName.
+   */
+  @java.lang.Override
+  public java.lang.String getVoiceName() {
+    java.lang.Object ref = voiceName_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      voiceName_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The name of the prebuilt voice to use.
+   * </pre>
+   *
+   * <code>optional string voice_name = 1;</code>
+   *
+   * @return The bytes for voiceName.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getVoiceNameBytes() {
+    java.lang.Object ref = voiceName_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      voiceName_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, voiceName_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, voiceName_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.PrebuiltVoiceConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.PrebuiltVoiceConfig other =
+        (com.google.cloud.vertexai.api.PrebuiltVoiceConfig) obj;
+
+    if (hasVoiceName() != other.hasVoiceName()) return false;
+    if (hasVoiceName()) {
+      if (!getVoiceName().equals(other.getVoiceName())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasVoiceName()) {
+      hash = (37 * hash) + VOICE_NAME_FIELD_NUMBER;
+      hash = (53 * hash) + getVoiceName().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.PrebuiltVoiceConfig parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.PrebuiltVoiceConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.PrebuiltVoiceConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.PrebuiltVoiceConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.PrebuiltVoiceConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.PrebuiltVoiceConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.PrebuiltVoiceConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.PrebuiltVoiceConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.PrebuiltVoiceConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.PrebuiltVoiceConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.PrebuiltVoiceConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.PrebuiltVoiceConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.PrebuiltVoiceConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for a prebuilt voice.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.PrebuiltVoiceConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.PrebuiltVoiceConfig)
+      com.google.cloud.vertexai.api.PrebuiltVoiceConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_PrebuiltVoiceConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_PrebuiltVoiceConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.PrebuiltVoiceConfig.class,
+              com.google.cloud.vertexai.api.PrebuiltVoiceConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.PrebuiltVoiceConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      voiceName_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_PrebuiltVoiceConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.PrebuiltVoiceConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.PrebuiltVoiceConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.PrebuiltVoiceConfig build() {
+      com.google.cloud.vertexai.api.PrebuiltVoiceConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.PrebuiltVoiceConfig buildPartial() {
+      com.google.cloud.vertexai.api.PrebuiltVoiceConfig result =
+          new com.google.cloud.vertexai.api.PrebuiltVoiceConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.PrebuiltVoiceConfig result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.voiceName_ = voiceName_;
+        to_bitField0_ |= 0x00000001;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.PrebuiltVoiceConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.PrebuiltVoiceConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.PrebuiltVoiceConfig other) {
+      if (other == com.google.cloud.vertexai.api.PrebuiltVoiceConfig.getDefaultInstance())
+        return this;
+      if (other.hasVoiceName()) {
+        voiceName_ = other.voiceName_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                voiceName_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object voiceName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * The name of the prebuilt voice to use.
+     * </pre>
+     *
+     * <code>optional string voice_name = 1;</code>
+     *
+     * @return Whether the voiceName field is set.
+     */
+    public boolean hasVoiceName() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The name of the prebuilt voice to use.
+     * </pre>
+     *
+     * <code>optional string voice_name = 1;</code>
+     *
+     * @return The voiceName.
+     */
+    public java.lang.String getVoiceName() {
+      java.lang.Object ref = voiceName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        voiceName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The name of the prebuilt voice to use.
+     * </pre>
+     *
+     * <code>optional string voice_name = 1;</code>
+     *
+     * @return The bytes for voiceName.
+     */
+    public com.google.protobuf.ByteString getVoiceNameBytes() {
+      java.lang.Object ref = voiceName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        voiceName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The name of the prebuilt voice to use.
+     * </pre>
+     *
+     * <code>optional string voice_name = 1;</code>
+     *
+     * @param value The voiceName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setVoiceName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      voiceName_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The name of the prebuilt voice to use.
+     * </pre>
+     *
+     * <code>optional string voice_name = 1;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearVoiceName() {
+      voiceName_ = getDefaultInstance().getVoiceName();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The name of the prebuilt voice to use.
+     * </pre>
+     *
+     * <code>optional string voice_name = 1;</code>
+     *
+     * @param value The bytes for voiceName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setVoiceNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      voiceName_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.PrebuiltVoiceConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.PrebuiltVoiceConfig)
+  private static final com.google.cloud.vertexai.api.PrebuiltVoiceConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.PrebuiltVoiceConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.PrebuiltVoiceConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<PrebuiltVoiceConfig> PARSER =
+      new com.google.protobuf.AbstractParser<PrebuiltVoiceConfig>() {
+        @java.lang.Override
+        public PrebuiltVoiceConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<PrebuiltVoiceConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<PrebuiltVoiceConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.PrebuiltVoiceConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrebuiltVoiceConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrebuiltVoiceConfigOrBuilder.java
new file mode 100644
index 000000000000..d6d90c0364cf
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrebuiltVoiceConfigOrBuilder.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface PrebuiltVoiceConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.PrebuiltVoiceConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The name of the prebuilt voice to use.
+   * </pre>
+   *
+   * <code>optional string voice_name = 1;</code>
+   *
+   * @return Whether the voiceName field is set.
+   */
+  boolean hasVoiceName();
+
+  /**
+   *
+   *
+   * <pre>
+   * The name of the prebuilt voice to use.
+   * </pre>
+   *
+   * <code>optional string voice_name = 1;</code>
+   *
+   * @return The voiceName.
+   */
+  java.lang.String getVoiceName();
+
+  /**
+   *
+   *
+   * <pre>
+   * The name of the prebuilt voice to use.
+   * </pre>
+   *
+   * <code>optional string voice_name = 1;</code>
+   *
+   * @return The bytes for voiceName.
+   */
+  com.google.protobuf.ByteString getVoiceNameBytes();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequest.java
index cd90e44289b1..61a4eb950f0c 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.PredictRequest}
  */
-public final class PredictRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class PredictRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.PredictRequest)
     PredictRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "PredictRequest");
+  }
+
   // Use PredictRequest.newBuilder() to construct.
-  private PredictRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private PredictRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,25 @@ private PredictRequest() {
     instances_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new PredictRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_PredictRequest_descriptor;
   }
 
+  @SuppressWarnings({"rawtypes"})
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldReflection(
+      int number) {
+    switch (number) {
+      case 4:
+        return internalGetLabels();
+      default:
+        throw new RuntimeException("Invalid map field number: " + number);
+    }
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_PredictRequest_fieldAccessorTable
@@ -309,6 +327,117 @@ public com.google.protobuf.ValueOrBuilder getParametersOrBuilder() {
     return parameters_ == null ? com.google.protobuf.Value.getDefaultInstance() : parameters_;
   }
 
+  public static final int LABELS_FIELD_NUMBER = 4;
+
+  private static final class LabelsDefaultEntryHolder {
+    static final com.google.protobuf.MapEntry<java.lang.String, java.lang.String> defaultEntry =
+        com.google.protobuf.MapEntry.<java.lang.String, java.lang.String>newDefaultInstance(
+            com.google.cloud.vertexai.api.PredictionServiceProto
+                .internal_static_google_cloud_vertexai_v1_PredictRequest_LabelsEntry_descriptor,
+            com.google.protobuf.WireFormat.FieldType.STRING,
+            "",
+            com.google.protobuf.WireFormat.FieldType.STRING,
+            "");
+  }
+
+  @SuppressWarnings("serial")
+  private com.google.protobuf.MapField<java.lang.String, java.lang.String> labels_;
+
+  private com.google.protobuf.MapField<java.lang.String, java.lang.String> internalGetLabels() {
+    if (labels_ == null) {
+      return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
+    }
+    return labels_;
+  }
+
+  public int getLabelsCount() {
+    return internalGetLabels().getMap().size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The user labels for Imagen billing usage only. Only Imagen
+   * supports labels. For other use cases, it will be ignored.
+   * </pre>
+   *
+   * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   */
+  @java.lang.Override
+  public boolean containsLabels(java.lang.String key) {
+    if (key == null) {
+      throw new NullPointerException("map key");
+    }
+    return internalGetLabels().getMap().containsKey(key);
+  }
+
+  /** Use {@link #getLabelsMap()} instead. */
+  @java.lang.Override
+  @java.lang.Deprecated
+  public java.util.Map<java.lang.String, java.lang.String> getLabels() {
+    return getLabelsMap();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The user labels for Imagen billing usage only. Only Imagen
+   * supports labels. For other use cases, it will be ignored.
+   * </pre>
+   *
+   * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   */
+  @java.lang.Override
+  public java.util.Map<java.lang.String, java.lang.String> getLabelsMap() {
+    return internalGetLabels().getMap();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The user labels for Imagen billing usage only. Only Imagen
+   * supports labels. For other use cases, it will be ignored.
+   * </pre>
+   *
+   * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   */
+  @java.lang.Override
+  public /* nullable */ java.lang.String getLabelsOrDefault(
+      java.lang.String key,
+      /* nullable */
+      java.lang.String defaultValue) {
+    if (key == null) {
+      throw new NullPointerException("map key");
+    }
+    java.util.Map<java.lang.String, java.lang.String> map = internalGetLabels().getMap();
+    return map.containsKey(key) ? map.get(key) : defaultValue;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The user labels for Imagen billing usage only. Only Imagen
+   * supports labels. For other use cases, it will be ignored.
+   * </pre>
+   *
+   * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   */
+  @java.lang.Override
+  public java.lang.String getLabelsOrThrow(java.lang.String key) {
+    if (key == null) {
+      throw new NullPointerException("map key");
+    }
+    java.util.Map<java.lang.String, java.lang.String> map = internalGetLabels().getMap();
+    if (!map.containsKey(key)) {
+      throw new java.lang.IllegalArgumentException();
+    }
+    return map.get(key);
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -323,8 +452,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
     for (int i = 0; i < instances_.size(); i++) {
       output.writeMessage(2, instances_.get(i));
@@ -332,6 +461,8 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(3, getParameters());
     }
+    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
+        output, internalGetLabels(), LabelsDefaultEntryHolder.defaultEntry, 4);
     getUnknownFields().writeTo(output);
   }
 
@@ -341,8 +472,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
     for (int i = 0; i < instances_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, instances_.get(i));
@@ -350,6 +481,16 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getParameters());
     }
+    for (java.util.Map.Entry<java.lang.String, java.lang.String> entry :
+        internalGetLabels().getMap().entrySet()) {
+      com.google.protobuf.MapEntry<java.lang.String, java.lang.String> labels__ =
+          LabelsDefaultEntryHolder.defaultEntry
+              .newBuilderForType()
+              .setKey(entry.getKey())
+              .setValue(entry.getValue())
+              .build();
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, labels__);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -372,6 +513,7 @@ public boolean equals(final java.lang.Object obj) {
     if (hasParameters()) {
       if (!getParameters().equals(other.getParameters())) return false;
     }
+    if (!internalGetLabels().equals(other.internalGetLabels())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -393,6 +535,10 @@ public int hashCode() {
       hash = (37 * hash) + PARAMETERS_FIELD_NUMBER;
       hash = (53 * hash) + getParameters().hashCode();
     }
+    if (!internalGetLabels().getMap().isEmpty()) {
+      hash = (37 * hash) + LABELS_FIELD_NUMBER;
+      hash = (53 * hash) + internalGetLabels().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -435,38 +581,38 @@ public static com.google.cloud.vertexai.api.PredictRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.PredictRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PredictRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PredictRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PredictRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -489,7 +635,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -504,7 +650,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.PredictRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.PredictRequest)
       com.google.cloud.vertexai.api.PredictRequestOrBuilder {
@@ -513,8 +659,30 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
           .internal_static_google_cloud_vertexai_v1_PredictRequest_descriptor;
     }
 
+    @SuppressWarnings({"rawtypes"})
+    protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldReflection(
+        int number) {
+      switch (number) {
+        case 4:
+          return internalGetLabels();
+        default:
+          throw new RuntimeException("Invalid map field number: " + number);
+      }
+    }
+
+    @SuppressWarnings({"rawtypes"})
+    protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFieldReflection(
+        int number) {
+      switch (number) {
+        case 4:
+          return internalGetMutableLabels();
+        default:
+          throw new RuntimeException("Invalid map field number: " + number);
+      }
+    }
+
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_PredictRequest_fieldAccessorTable
@@ -528,15 +696,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getInstancesFieldBuilder();
-        getParametersFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetInstancesFieldBuilder();
+        internalGetParametersFieldBuilder();
       }
     }
 
@@ -557,6 +725,7 @@ public Builder clear() {
         parametersBuilder_.dispose();
         parametersBuilder_ = null;
       }
+      internalGetMutableLabels().clear();
       return this;
     }
 
@@ -614,42 +783,13 @@ private void buildPartial0(com.google.cloud.vertexai.api.PredictRequest result)
         result.parameters_ = parametersBuilder_ == null ? parameters_ : parametersBuilder_.build();
         to_bitField0_ |= 0x00000001;
       }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.labels_ = internalGetLabels();
+        result.labels_.makeImmutable();
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.PredictRequest) {
@@ -686,8 +826,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.PredictRequest other) {
             instances_ = other.instances_;
             bitField0_ = (bitField0_ & ~0x00000002);
             instancesBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getInstancesFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetInstancesFieldBuilder()
                     : null;
           } else {
             instancesBuilder_.addAllMessages(other.instances_);
@@ -697,6 +837,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.PredictRequest other) {
       if (other.hasParameters()) {
         mergeParameters(other.getParameters());
       }
+      internalGetMutableLabels().mergeFrom(other.internalGetLabels());
+      bitField0_ |= 0x00000008;
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -743,10 +885,23 @@ public Builder mergeFrom(
               } // case 18
             case 26:
               {
-                input.readMessage(getParametersFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetParametersFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 26
+            case 34:
+              {
+                com.google.protobuf.MapEntry<java.lang.String, java.lang.String> labels__ =
+                    input.readMessage(
+                        LabelsDefaultEntryHolder.defaultEntry.getParserForType(),
+                        extensionRegistry);
+                internalGetMutableLabels()
+                    .getMutableMap()
+                    .put(labels__.getKey(), labels__.getValue());
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 34
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -907,7 +1062,7 @@ private void ensureInstancesIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
@@ -1293,7 +1448,7 @@ public Builder removeInstances(int index) {
      * </code>
      */
     public com.google.protobuf.Value.Builder getInstancesBuilder(int index) {
-      return getInstancesFieldBuilder().getBuilder(index);
+      return internalGetInstancesFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1371,7 +1526,8 @@ public com.google.protobuf.ValueOrBuilder getInstancesOrBuilder(int index) {
      * </code>
      */
     public com.google.protobuf.Value.Builder addInstancesBuilder() {
-      return getInstancesFieldBuilder().addBuilder(com.google.protobuf.Value.getDefaultInstance());
+      return internalGetInstancesFieldBuilder()
+          .addBuilder(com.google.protobuf.Value.getDefaultInstance());
     }
 
     /**
@@ -1394,7 +1550,7 @@ public com.google.protobuf.Value.Builder addInstancesBuilder() {
      * </code>
      */
     public com.google.protobuf.Value.Builder addInstancesBuilder(int index) {
-      return getInstancesFieldBuilder()
+      return internalGetInstancesFieldBuilder()
           .addBuilder(index, com.google.protobuf.Value.getDefaultInstance());
     }
 
@@ -1418,17 +1574,17 @@ public com.google.protobuf.Value.Builder addInstancesBuilder(int index) {
      * </code>
      */
     public java.util.List<com.google.protobuf.Value.Builder> getInstancesBuilderList() {
-      return getInstancesFieldBuilder().getBuilderList();
+      return internalGetInstancesFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
-        getInstancesFieldBuilder() {
+        internalGetInstancesFieldBuilder() {
       if (instancesBuilder_ == null) {
         instancesBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.protobuf.Value,
                 com.google.protobuf.Value.Builder,
                 com.google.protobuf.ValueOrBuilder>(
@@ -1439,7 +1595,7 @@ public java.util.List<com.google.protobuf.Value.Builder> getInstancesBuilderList
     }
 
     private com.google.protobuf.Value parameters_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
@@ -1610,7 +1766,7 @@ public Builder clearParameters() {
     public com.google.protobuf.Value.Builder getParametersBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getParametersFieldBuilder().getBuilder();
+      return internalGetParametersFieldBuilder().getBuilder();
     }
 
     /**
@@ -1647,14 +1803,14 @@ public com.google.protobuf.ValueOrBuilder getParametersOrBuilder() {
      *
      * <code>.google.protobuf.Value parameters = 3;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
-        getParametersFieldBuilder() {
+        internalGetParametersFieldBuilder() {
       if (parametersBuilder_ == null) {
         parametersBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Value,
                 com.google.protobuf.Value.Builder,
                 com.google.protobuf.ValueOrBuilder>(
@@ -1664,15 +1820,183 @@ public com.google.protobuf.ValueOrBuilder getParametersOrBuilder() {
       return parametersBuilder_;
     }
 
+    private com.google.protobuf.MapField<java.lang.String, java.lang.String> labels_;
+
+    private com.google.protobuf.MapField<java.lang.String, java.lang.String> internalGetLabels() {
+      if (labels_ == null) {
+        return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
+      }
+      return labels_;
+    }
+
+    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
+        internalGetMutableLabels() {
+      if (labels_ == null) {
+        labels_ = com.google.protobuf.MapField.newMapField(LabelsDefaultEntryHolder.defaultEntry);
+      }
+      if (!labels_.isMutable()) {
+        labels_ = labels_.copy();
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return labels_;
+    }
+
+    public int getLabelsCount() {
+      return internalGetLabels().getMap().size();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The user labels for Imagen billing usage only. Only Imagen
+     * supports labels. For other use cases, it will be ignored.
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     */
+    @java.lang.Override
+    public boolean containsLabels(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      return internalGetLabels().getMap().containsKey(key);
+    }
+
+    /** Use {@link #getLabelsMap()} instead. */
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    @java.lang.Deprecated
+    public java.util.Map<java.lang.String, java.lang.String> getLabels() {
+      return getLabelsMap();
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The user labels for Imagen billing usage only. Only Imagen
+     * supports labels. For other use cases, it will be ignored.
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     */
+    @java.lang.Override
+    public java.util.Map<java.lang.String, java.lang.String> getLabelsMap() {
+      return internalGetLabels().getMap();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The user labels for Imagen billing usage only. Only Imagen
+     * supports labels. For other use cases, it will be ignored.
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     */
+    @java.lang.Override
+    public /* nullable */ java.lang.String getLabelsOrDefault(
+        java.lang.String key,
+        /* nullable */
+        java.lang.String defaultValue) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      java.util.Map<java.lang.String, java.lang.String> map = internalGetLabels().getMap();
+      return map.containsKey(key) ? map.get(key) : defaultValue;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The user labels for Imagen billing usage only. Only Imagen
+     * supports labels. For other use cases, it will be ignored.
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     */
     @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    public java.lang.String getLabelsOrThrow(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      java.util.Map<java.lang.String, java.lang.String> map = internalGetLabels().getMap();
+      if (!map.containsKey(key)) {
+        throw new java.lang.IllegalArgumentException();
+      }
+      return map.get(key);
+    }
+
+    public Builder clearLabels() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      internalGetMutableLabels().getMutableMap().clear();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The user labels for Imagen billing usage only. Only Imagen
+     * supports labels. For other use cases, it will be ignored.
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     */
+    public Builder removeLabels(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      internalGetMutableLabels().getMutableMap().remove(key);
+      return this;
+    }
+
+    /** Use alternate mutation accessors instead. */
+    @java.lang.Deprecated
+    public java.util.Map<java.lang.String, java.lang.String> getMutableLabels() {
+      bitField0_ |= 0x00000008;
+      return internalGetMutableLabels().getMutableMap();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The user labels for Imagen billing usage only. Only Imagen
+     * supports labels. For other use cases, it will be ignored.
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     */
+    public Builder putLabels(java.lang.String key, java.lang.String value) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      if (value == null) {
+        throw new NullPointerException("map value");
+      }
+      internalGetMutableLabels().getMutableMap().put(key, value);
+      bitField0_ |= 0x00000008;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The user labels for Imagen billing usage only. Only Imagen
+     * supports labels. For other use cases, it will be ignored.
+     * </pre>
+     *
+     * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+     */
+    public Builder putAllLabels(java.util.Map<java.lang.String, java.lang.String> values) {
+      internalGetMutableLabels().getMutableMap().putAll(values);
+      bitField0_ |= 0x00000008;
+      return this;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.PredictRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequestOrBuilder.java
index 158fccd58341..575c785f05ce 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface PredictRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.PredictRequest)
@@ -206,4 +208,72 @@ public interface PredictRequestOrBuilder
    * <code>.google.protobuf.Value parameters = 3;</code>
    */
   com.google.protobuf.ValueOrBuilder getParametersOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The user labels for Imagen billing usage only. Only Imagen
+   * supports labels. For other use cases, it will be ignored.
+   * </pre>
+   *
+   * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   */
+  int getLabelsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The user labels for Imagen billing usage only. Only Imagen
+   * supports labels. For other use cases, it will be ignored.
+   * </pre>
+   *
+   * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   */
+  boolean containsLabels(java.lang.String key);
+
+  /** Use {@link #getLabelsMap()} instead. */
+  @java.lang.Deprecated
+  java.util.Map<java.lang.String, java.lang.String> getLabels();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The user labels for Imagen billing usage only. Only Imagen
+   * supports labels. For other use cases, it will be ignored.
+   * </pre>
+   *
+   * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   */
+  java.util.Map<java.lang.String, java.lang.String> getLabelsMap();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The user labels for Imagen billing usage only. Only Imagen
+   * supports labels. For other use cases, it will be ignored.
+   * </pre>
+   *
+   * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   */
+  /* nullable */
+  java.lang.String getLabelsOrDefault(
+      java.lang.String key,
+      /* nullable */
+      java.lang.String defaultValue);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The user labels for Imagen billing usage only. Only Imagen
+   * supports labels. For other use cases, it will be ignored.
+   * </pre>
+   *
+   * <code>map&lt;string, string&gt; labels = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   */
+  java.lang.String getLabelsOrThrow(java.lang.String key);
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequestResponseLoggingConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequestResponseLoggingConfig.java
index b65114917d50..4cf943aae786 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequestResponseLoggingConfig.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequestResponseLoggingConfig.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,34 +29,38 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.PredictRequestResponseLoggingConfig}
  */
-public final class PredictRequestResponseLoggingConfig
-    extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class PredictRequestResponseLoggingConfig extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.PredictRequestResponseLoggingConfig)
     PredictRequestResponseLoggingConfigOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "PredictRequestResponseLoggingConfig");
+  }
+
   // Use PredictRequestResponseLoggingConfig.newBuilder() to construct.
   private PredictRequestResponseLoggingConfig(
-      com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private PredictRequestResponseLoggingConfig() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new PredictRequestResponseLoggingConfig();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointProto
         .internal_static_google_cloud_vertexai_v1_PredictRequestResponseLoggingConfig_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointProto
         .internal_static_google_cloud_vertexai_v1_PredictRequestResponseLoggingConfig_fieldAccessorTable
@@ -301,39 +306,39 @@ public static com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig
 
   public static com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig
       parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig
       parseDelimitedFrom(
           java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -357,7 +362,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -371,7 +376,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.PredictRequestResponseLoggingConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.PredictRequestResponseLoggingConfig)
       com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfigOrBuilder {
@@ -381,7 +386,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointProto
           .internal_static_google_cloud_vertexai_v1_PredictRequestResponseLoggingConfig_fieldAccessorTable
@@ -396,14 +401,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getBigqueryDestinationFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetBigqueryDestinationFieldBuilder();
       }
     }
 
@@ -473,39 +478,6 @@ private void buildPartial0(
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.PredictRequestResponseLoggingConfig) {
@@ -524,7 +496,7 @@ public Builder mergeFrom(
       if (other.getEnabled() != false) {
         setEnabled(other.getEnabled());
       }
-      if (other.getSamplingRate() != 0D) {
+      if (java.lang.Double.doubleToRawLongBits(other.getSamplingRate()) != 0) {
         setSamplingRate(other.getSamplingRate());
       }
       if (other.hasBigqueryDestination()) {
@@ -571,7 +543,7 @@ public Builder mergeFrom(
             case 26:
               {
                 input.readMessage(
-                    getBigqueryDestinationFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetBigqueryDestinationFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 26
@@ -710,7 +682,7 @@ public Builder clearSamplingRate() {
     }
 
     private com.google.cloud.vertexai.api.BigQueryDestination bigqueryDestination_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.BigQueryDestination,
             com.google.cloud.vertexai.api.BigQueryDestination.Builder,
             com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder>
@@ -894,7 +866,7 @@ public Builder clearBigqueryDestination() {
         getBigqueryDestinationBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getBigqueryDestinationFieldBuilder().getBuilder();
+      return internalGetBigqueryDestinationFieldBuilder().getBuilder();
     }
 
     /**
@@ -936,14 +908,14 @@ public Builder clearBigqueryDestination() {
      *
      * <code>.google.cloud.vertexai.v1.BigQueryDestination bigquery_destination = 3;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.BigQueryDestination,
             com.google.cloud.vertexai.api.BigQueryDestination.Builder,
             com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder>
-        getBigqueryDestinationFieldBuilder() {
+        internalGetBigqueryDestinationFieldBuilder() {
       if (bigqueryDestinationBuilder_ == null) {
         bigqueryDestinationBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.BigQueryDestination,
                 com.google.cloud.vertexai.api.BigQueryDestination.Builder,
                 com.google.cloud.vertexai.api.BigQueryDestinationOrBuilder>(
@@ -953,17 +925,6 @@ public Builder clearBigqueryDestination() {
       return bigqueryDestinationBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.PredictRequestResponseLoggingConfig)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequestResponseLoggingConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequestResponseLoggingConfigOrBuilder.java
index 1bdcca82c039..c73f39a220e4 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequestResponseLoggingConfigOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequestResponseLoggingConfigOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface PredictRequestResponseLoggingConfigOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.PredictRequestResponseLoggingConfig)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictResponse.java
index af01e23c77b2..587f1fb717cc 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.PredictResponse}
  */
-public final class PredictResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class PredictResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.PredictResponse)
     PredictResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "PredictResponse");
+  }
+
   // Use PredictResponse.newBuilder() to construct.
-  private PredictResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private PredictResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -48,19 +60,13 @@ private PredictResponse() {
     modelDisplayName_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new PredictResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_PredictResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_PredictResponse_fieldAccessorTable
@@ -459,17 +465,17 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     for (int i = 0; i < predictions_.size(); i++) {
       output.writeMessage(1, predictions_.get(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(deployedModelId_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, deployedModelId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(deployedModelId_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, deployedModelId_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(model_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, model_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(model_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, model_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(modelDisplayName_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, modelDisplayName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modelDisplayName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 4, modelDisplayName_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(modelVersionId_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, modelVersionId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modelVersionId_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 5, modelVersionId_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(6, getMetadata());
@@ -486,17 +492,17 @@ public int getSerializedSize() {
     for (int i = 0; i < predictions_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, predictions_.get(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(deployedModelId_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, deployedModelId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(deployedModelId_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, deployedModelId_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(model_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, model_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(model_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, model_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(modelDisplayName_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, modelDisplayName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modelDisplayName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(4, modelDisplayName_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(modelVersionId_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, modelVersionId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modelVersionId_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(5, modelVersionId_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getMetadata());
@@ -595,38 +601,38 @@ public static com.google.cloud.vertexai.api.PredictResponse parseFrom(
 
   public static com.google.cloud.vertexai.api.PredictResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PredictResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PredictResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PredictResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PredictResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PredictResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -649,7 +655,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -664,7 +670,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.PredictResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.PredictResponse)
       com.google.cloud.vertexai.api.PredictResponseOrBuilder {
@@ -674,7 +680,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_PredictResponse_fieldAccessorTable
@@ -688,15 +694,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getPredictionsFieldBuilder();
-        getMetadataFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetPredictionsFieldBuilder();
+        internalGetMetadataFieldBuilder();
       }
     }
 
@@ -789,39 +795,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.PredictResponse result)
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.PredictResponse) {
@@ -853,8 +826,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.PredictResponse other) {
             predictions_ = other.predictions_;
             bitField0_ = (bitField0_ & ~0x00000001);
             predictionsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getPredictionsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetPredictionsFieldBuilder()
                     : null;
           } else {
             predictionsBuilder_.addAllMessages(other.predictions_);
@@ -948,7 +921,8 @@ public Builder mergeFrom(
               } // case 42
             case 50:
               {
-                input.readMessage(getMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetMetadataFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000020;
                 break;
               } // case 50
@@ -981,7 +955,7 @@ private void ensurePredictionsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
@@ -1290,7 +1264,7 @@ public Builder removePredictions(int index) {
      * <code>repeated .google.protobuf.Value predictions = 1;</code>
      */
     public com.google.protobuf.Value.Builder getPredictionsBuilder(int index) {
-      return getPredictionsFieldBuilder().getBuilder(index);
+      return internalGetPredictionsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1350,7 +1324,7 @@ public com.google.protobuf.ValueOrBuilder getPredictionsOrBuilder(int index) {
      * <code>repeated .google.protobuf.Value predictions = 1;</code>
      */
     public com.google.protobuf.Value.Builder addPredictionsBuilder() {
-      return getPredictionsFieldBuilder()
+      return internalGetPredictionsFieldBuilder()
           .addBuilder(com.google.protobuf.Value.getDefaultInstance());
     }
 
@@ -1368,7 +1342,7 @@ public com.google.protobuf.Value.Builder addPredictionsBuilder() {
      * <code>repeated .google.protobuf.Value predictions = 1;</code>
      */
     public com.google.protobuf.Value.Builder addPredictionsBuilder(int index) {
-      return getPredictionsFieldBuilder()
+      return internalGetPredictionsFieldBuilder()
           .addBuilder(index, com.google.protobuf.Value.getDefaultInstance());
     }
 
@@ -1386,17 +1360,17 @@ public com.google.protobuf.Value.Builder addPredictionsBuilder(int index) {
      * <code>repeated .google.protobuf.Value predictions = 1;</code>
      */
     public java.util.List<com.google.protobuf.Value.Builder> getPredictionsBuilderList() {
-      return getPredictionsFieldBuilder().getBuilderList();
+      return internalGetPredictionsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
-        getPredictionsFieldBuilder() {
+        internalGetPredictionsFieldBuilder() {
       if (predictionsBuilder_ == null) {
         predictionsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.protobuf.Value,
                 com.google.protobuf.Value.Builder,
                 com.google.protobuf.ValueOrBuilder>(
@@ -1881,7 +1855,7 @@ public Builder setModelDisplayNameBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.protobuf.Value metadata_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
@@ -2038,7 +2012,7 @@ public Builder clearMetadata() {
     public com.google.protobuf.Value.Builder getMetadataBuilder() {
       bitField0_ |= 0x00000020;
       onChanged();
-      return getMetadataFieldBuilder().getBuilder();
+      return internalGetMetadataFieldBuilder().getBuilder();
     }
 
     /**
@@ -2071,14 +2045,14 @@ public com.google.protobuf.ValueOrBuilder getMetadataOrBuilder() {
      * <code>.google.protobuf.Value metadata = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
-        getMetadataFieldBuilder() {
+        internalGetMetadataFieldBuilder() {
       if (metadataBuilder_ == null) {
         metadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Value,
                 com.google.protobuf.Value.Builder,
                 com.google.protobuf.ValueOrBuilder>(
@@ -2088,17 +2062,6 @@ public com.google.protobuf.ValueOrBuilder getMetadataOrBuilder() {
       return metadataBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.PredictResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictResponseOrBuilder.java
index 7e762e5c55ed..6abdc71dccbe 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface PredictResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.PredictResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictionServiceProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictionServiceProto.java
index ee1f846accf4..68f7703ac0b0 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictionServiceProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictionServiceProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class PredictionServiceProto {
+@com.google.protobuf.Generated
+public final class PredictionServiceProto extends com.google.protobuf.GeneratedFile {
   private PredictionServiceProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "PredictionServiceProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,104 +42,120 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_PredictRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_PredictRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_PredictRequest_LabelsEntry_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_PredictRequest_LabelsEntry_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_PredictResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_PredictResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_RawPredictRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_RawPredictRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_StreamRawPredictRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_StreamRawPredictRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DirectPredictRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DirectPredictRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DirectPredictResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DirectPredictResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DirectRawPredictRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DirectRawPredictRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DirectRawPredictResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DirectRawPredictResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_StreamDirectPredictRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_StreamDirectPredictRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_StreamDirectPredictResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_StreamDirectPredictResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_StreamDirectRawPredictRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_StreamDirectRawPredictRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_StreamDirectRawPredictResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_StreamDirectRawPredictResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_StreamingPredictRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_StreamingPredictRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_StreamingPredictResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_StreamingPredictResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_StreamingRawPredictRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_StreamingRawPredictRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_StreamingRawPredictResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_StreamingRawPredictResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplainRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplainRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExplainResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExplainResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_CountTokensRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_CountTokensRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_CountTokensResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_CountTokensResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GenerateContentRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GenerateContentRequest_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GenerateContentRequest_LabelsEntry_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GenerateContentRequest_LabelsEntry_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GenerateContentResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GenerateContentResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GenerateContentResponse_PromptFeedback_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GenerateContentResponse_PromptFeedback_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GenerateContentResponse_UsageMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GenerateContentResponse_UsageMetadata_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_EmbedContentRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_EmbedContentRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_EmbedContentResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_EmbedContentResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_EmbedContentResponse_Embedding_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_EmbedContentResponse_Embedding_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     return descriptor;
@@ -137,231 +165,285 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
 
   static {
     java.lang.String[] descriptorData = {
-      "\n1google/cloud/vertexai/v1/prediction_se"
+      "\n"
+          + "1google/cloud/vertexai/v1/prediction_se"
           + "rvice.proto\022\030google.cloud.vertexai.v1\032\034g"
           + "oogle/api/annotations.proto\032\027google/api/"
           + "client.proto\032\037google/api/field_behavior."
           + "proto\032\031google/api/httpbody.proto\032\031google"
-          + "/api/resource.proto\032&google/cloud/vertex"
-          + "ai/v1/content.proto\032*google/cloud/vertex"
-          + "ai/v1/explanation.proto\032#google/cloud/ve"
-          + "rtexai/v1/tool.proto\032$google/cloud/verte"
-          + "xai/v1/types.proto\032\034google/protobuf/stru"
-          + "ct.proto\032\037google/protobuf/timestamp.prot"
-          + "o\"\252\001\n\016PredictRequest\022<\n\010endpoint\030\001 \001(\tB*"
-          + "\340A\002\372A$\n\"aiplatform.googleapis.com/Endpoi"
-          + "nt\022.\n\tinstances\030\002 \003(\0132\026.google.protobuf."
-          + "ValueB\003\340A\002\022*\n\nparameters\030\003 \001(\0132\026.google."
-          + "protobuf.Value\"\200\002\n\017PredictResponse\022+\n\013pr"
-          + "edictions\030\001 \003(\0132\026.google.protobuf.Value\022"
-          + "\031\n\021deployed_model_id\030\002 \001(\t\0226\n\005model\030\003 \001("
-          + "\tB\'\340A\003\372A!\n\037aiplatform.googleapis.com/Mod"
-          + "el\022\035\n\020model_version_id\030\005 \001(\tB\003\340A\003\022\037\n\022mod"
-          + "el_display_name\030\004 \001(\tB\003\340A\003\022-\n\010metadata\030\006"
-          + " \001(\0132\026.google.protobuf.ValueB\003\340A\003\"z\n\021Raw"
-          + "PredictRequest\022<\n\010endpoint\030\001 \001(\tB*\340A\002\372A$"
-          + "\n\"aiplatform.googleapis.com/Endpoint\022\'\n\t"
-          + "http_body\030\002 \001(\0132\024.google.api.HttpBody\"\200\001"
-          + "\n\027StreamRawPredictRequest\022<\n\010endpoint\030\001 "
-          + "\001(\tB*\340A\002\372A$\n\"aiplatform.googleapis.com/E"
-          + "ndpoint\022\'\n\thttp_body\030\002 \001(\0132\024.google.api."
-          + "HttpBody\"\274\001\n\024DirectPredictRequest\022<\n\010end"
-          + "point\030\001 \001(\tB*\340A\002\372A$\n\"aiplatform.googleap"
-          + "is.com/Endpoint\0220\n\006inputs\030\002 \003(\0132 .google"
-          + ".cloud.vertexai.v1.Tensor\0224\n\nparameters\030"
-          + "\003 \001(\0132 .google.cloud.vertexai.v1.Tensor\""
-          + "\200\001\n\025DirectPredictResponse\0221\n\007outputs\030\001 \003"
-          + "(\0132 .google.cloud.vertexai.v1.Tensor\0224\n\n"
-          + "parameters\030\002 \001(\0132 .google.cloud.vertexai"
-          + ".v1.Tensor\"{\n\027DirectRawPredictRequest\022<\n"
-          + "\010endpoint\030\001 \001(\tB*\340A\002\372A$\n\"aiplatform.goog"
-          + "leapis.com/Endpoint\022\023\n\013method_name\030\002 \001(\t"
-          + "\022\r\n\005input\030\003 \001(\014\"*\n\030DirectRawPredictRespo"
-          + "nse\022\016\n\006output\030\001 \001(\014\"\314\001\n\032StreamDirectPred"
-          + "ictRequest\022<\n\010endpoint\030\001 \001(\tB*\340A\002\372A$\n\"ai"
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+          + " \001(\0132!.google.cloud.vertexai.v1.ContentB\003\340A\001H\000\210\001\001\022G\n"
+          + "\016cached_content\030\t \001(\tB/\340A\001\372A)\n"
+          + "\'aiplatform.googleapis.com/CachedContent\0222\n"
+          + "\005tools\030\006 \003(\0132\036.google.cloud.vertexai.v1.ToolB\003\340A\001\022>\n"
+          + "\013tool_config\030\007"
+          + " \001(\0132$.google.cloud.vertexai.v1.ToolConfigB\003\340A\001\022Q\n"
+          + "\006labels\030\n"
+          + " \003(\0132<.goo"
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+          + "\017safety_settings\030\003"
+          + " \003(\0132\'.google.cloud.vertexai.v1.SafetySettingB\003\340A\001\022K\n"
+          + "\022model_armor_config\030\013 \001(\013"
+          + "2*.google.cloud.vertexai.v1.ModelArmorConfigB\003\340A\001\022J\n"
+          + "\021generation_config\030\004 \001(\0132*.g"
+          + "oogle.cloud.vertexai.v1.GenerationConfigB\003\340A\001\032-\n"
+          + "\013LabelsEntry\022\013\n"
+          + "\003key\030\001 \001(\t\022\r\n"
+          + "\005value\030\002 \001(\t:\0028\001B\025\n"
+          + "\023_system_instruction\"\240\t\n"
+          + "\027GenerateContentResponse\022<\n\n"
+          + "candidates\030\002 "
+          + "\003(\0132#.google.cloud.vertexai.v1.CandidateB\003\340A\003\022\032\n\r"
+          + "model_version\030\013 \001(\tB\003\340A\003\0224\n"
+          + "\013create_time\030\014"
+          + " \001(\0132\032.google.protobuf.TimestampB\003\340A\003\022\030\n"
+          + "\013response_id\030\r"
+          + " \001(\tB\003\340A\003\022^\n"
+          + "\017prompt_feedback\030\003 \001(\0132@.google.cloud.vertex"
+          + "ai.v1.GenerateContentResponse.PromptFeedbackB\003\340A\003\022W\n"
+          + "\016usage_metadata\030\004 \001(\0132?.goog"
+          + "le.cloud.vertexai.v1.GenerateContentResponse.UsageMetadata\032\363\002\n"
+          + "\016PromptFeedback\022i\n"
+          + "\014block_reason\030\001 \001(\0162N.google.cloud.verte"
+          + "xai.v1.GenerateContentResponse.PromptFeedback.BlockedReasonB\003\340A\003\022C\n"
+          + "\016safety_ratings\030\002"
+          + " \003(\0132&.google.cloud.vertexai.v1.SafetyRatingB\003\340A\003\022!\n"
+          + "\024block_reason_message\030\003 \001(\tB\003\340A\003\"\215\001\n\r"
+          + "BlockedReason\022\036\n"
+          + "\032BLOCKED_REASON_UNSPECIFIED\020\000\022\n\n"
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+          + "\022PROHIBITED_CONTENT\020\004\022\017\n"
+          + "\013MODEL_ARMOR\020\005\022\r\n"
+          + "\tJAILBREAK\020\006\032\253\003\n\r"
+          + "UsageMetadata\022\032\n"
+          + "\022prompt_token_count\030\001 \001(\005\022\036\n"
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+          + "\023EmbedContentRequest\022;\n"
+          + "\005model\030\001 \001(\tB\'\372A$\n"
+          + "\"aiplatform.googleapis.com/EndpointH\000\210\001\001\0227\n"
+          + "\007content\030\002"
+          + " \001(\0132!.google.cloud.vertexai.v1.ContentH\001\210\001\001\022\027\n"
+          + "\005title\030\004 \001(\tB\003\340A\001H\002\210\001\001\022\\\n"
+          + "\ttask_type\030\005 \001(\0162?.google.cloud.vertexai.v1.Embe"
+          + "dContentRequest.EmbeddingTaskTypeB\003\340A\001H\003\210\001\001\022\'\n"
+          + "\025output_dimensionality\030\006 \001(\005B\003\340A\001H\004\210\001\001\022\037\n\r"
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+          + "\013UNSPECIFIED\020\000\022\023\n"
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+          + "\024CODE_RETRIEVAL_QUERY\020\tB\010\n"
+          + "\006_modelB\n\n"
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+          + "\024EmbedContentResponse\022K\n"
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+          + "loud.vertexai.v1.EmbedContentResponse.Embedding\022?\n"
+          + "\016usage_metadata\030\002"
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+          + "\ttruncated\030\004 \001(\010\032\033\n"
+          + "\tEmbedding\022\016\n"
+          + "\006values\030\001 \003(\0022\223\033\n"
+          + "\021PredictionService\022\220\002\n"
+          + "\007Predict\022(.google.cloud.vertexai.v1.PredictRequest\032).g"
+          + "oogle.cloud.vertexai.v1.PredictResponse\""
+          + "\257\001\332A\035endpoint,instances,parameters\202\323\344\223\002\210"
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+          + "endpoints/*}:predict:\001*ZH\"C/v1/{endpoint"
+          + "=projects/*/locations/*/publishers/*/models/*}:predict:\001*\022\374\001\n\n"
+          + "RawPredict\022+.google.cloud.vertexai.v1.RawPredictRequest\032\024."
+          + "google.api.HttpBody\"\252\001\332A\022endpoint,http_b"
+          + "ody\202\323\344\223\002\216\001\"</v1/{endpoint=projects/*/loc"
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+          + "v1/{endpoint=projects/*/locations/*/publishers/*/models/*}:rawPredict:\001*\022\226\002\n"
+          + "\020StreamRawPredict\0221.google.cloud.vertexai.v1"
+          + ".StreamRawPredictRequest\032\024.google.api.Ht"
+          + "tpBody\"\266\001\332A\022endpoint,http_body\202\323\344\223\002\232\001\"B/"
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+          + "point=projects/*/locations/*/publishers/*/models/*}:streamRawPredict:\001*0\001\022\274\001\n\r"
+          + "DirectPredict\022..google.cloud.vertexai.v1.D"
+          + "irectPredictRequest\032/.google.cloud.verte"
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+          + "1/{endpoint=projects/*/locations/*/endpoints/*}:directPredict:\001*\022\310\001\n"
+          + "\020DirectRawPredict\0221.google.cloud.vertexai.v1.DirectR"
+          + "awPredictRequest\0322.google.cloud.vertexai"
+          + ".v1.DirectRawPredictResponse\"M\202\323\344\223\002G\"B/v"
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+          + "\026StreamDirectRawPredict\0227.google.cloud.vertexai.v1.StreamDirectRawPred"
+          + "ictRequest\0328.google.cloud.vertexai.v1.StreamDirectRawPredictResponse\"\000(\0010\001\022\177\n"
+          + "\020StreamingPredict\0221.google.cloud.vertexai.v"
+          + "1.StreamingPredictRequest\0322.google.cloud"
+          + ".vertexai.v1.StreamingPredictResponse\"\000(\0010\001\022\261\002\n"
+          + "\026ServerStreamingPredict\0221.google.cloud.vertexai.v1.StreamingPredictReques"
+          + "t\0322.google.cloud.vertexai.v1.StreamingPr"
+          + "edictResponse\"\255\001\202\323\344\223\002\246\001\"H/v1/{endpoint=p"
+          + "rojects/*/locations/*/endpoints/*}:serverStreamingPredict:\001*ZW\"R/v1/{endpoint=pr"
+          + "ojects/*/locations/*/publishers/*/models/*}:serverStreamingPredict:\001*0\001\022\210\001\n"
+          + "\023StreamingRawPredict\0224.google.cloud.vertexai."
+          + "v1.StreamingRawPredictRequest\0325.google.c"
+          + "loud.vertexai.v1.StreamingRawPredictResponse\"\000(\0010\001\022\326\001\n"
+          + "\007Explain\022(.google.cloud.vertexai.v1.ExplainRequest\032).google.cloud."
+          + "vertexai.v1.ExplainResponse\"v\332A/endpoint"
+          + ",instances,parameters,deployed_model_id\202"
+          + "\323\344\223\002>\"9/v1/{endpoint=projects/*/locations/*/endpoints/*}:explain:\001*\022\211\003\n"
+          + "\017GenerateContent\0220.google.cloud.vertexai.v1.Gener"
+          + "ateContentRequest\0321.google.cloud.vertexa"
+          + "i.v1.GenerateContentResponse\"\220\002\332A\016model,"
+          + "contents\202\323\344\223\002\370\001\">/v1/{model=projects/*/l"
+          + "ocations/*/endpoints/*}:generateContent:\001*ZM\"H/v1/{model=projects/*/locations/*/"
+          + "publishers/*/models/*}:generateContent:\001*Z,\"\'/v1/{model=endpoints/*}:generateCon"
+          + "tent:\001*Z6\"1/v1/{model=publishers/*/models/*}:generateContent:\001*\022\251\003\n"
+          + "\025StreamGenerateContent\0220.google.cloud.vertexai.v1.Gen"
+          + "erateContentRequest\0321.google.cloud.verte"
+          + "xai.v1.GenerateContentResponse\"\250\002\332A\016mode"
+          + "l,contents\202\323\344\223\002\220\002\"D/v1/{model=projects/*"
+          + "/locations/*/endpoints/*}:streamGenerateContent:\001*ZS\"N/v1/{model=projects/*/loca"
+          + "tions/*/publishers/*/models/*}:streamGenerateContent:\001*Z2\"-/v1/{model=endpoints/"
+          + "*}:streamGenerateContent:\001*Z<\"7/v1/{mode"
+          + "l=publishers/*/models/*}:streamGenerateContent:\001*0\001\022\317\001\n"
+          + "\014EmbedContent\022-.google.cloud.vertexai.v1.EmbedContentRequest\032..go"
+          + "ogle.cloud.vertexai.v1.EmbedContentResponse\"`\332A\r"
+          + "model,content\202\323\344\223\002J\"E/v1/{model="
+          + "projects/*/locations/*/publishers/*/mode"
+          + "ls/*}:embedContent:\001*\032\206\001\312A\031aiplatform.go"
+          + "ogleapis.com\322Aghttps://www.googleapis.com/auth/cloud-platform,https://www.google"
+          + "apis.com/auth/cloud-platform.read-onlyB\323\001\n"
+          + "\035com.google.cloud.vertexai.apiB\026Predic"
+          + "tionServiceProtoP\001Z>cloud.google.com/go/aiplatform/apiv1/aiplatformpb;aiplatform"
+          + "pb\252\002\032Google.Cloud.AIPlatform.V1\312\002\032Google"
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     descriptor =
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@@ -376,21 +458,30 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.cloud.vertexai.api.ExplanationProto.getDescriptor(),
               com.google.cloud.vertexai.api.ToolProto.getDescriptor(),
               com.google.cloud.vertexai.api.TypesProto.getDescriptor(),
+              com.google.cloud.vertexai.api.UsageMetadataProto.getDescriptor(),
               com.google.protobuf.StructProto.getDescriptor(),
               com.google.protobuf.TimestampProto.getDescriptor(),
             });
     internal_static_google_cloud_vertexai_v1_PredictRequest_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+        getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_PredictRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
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             internal_static_google_cloud_vertexai_v1_PredictRequest_descriptor,
             new java.lang.String[] {
-              "Endpoint", "Instances", "Parameters",
+              "Endpoint", "Instances", "Parameters", "Labels",
+            });
+    internal_static_google_cloud_vertexai_v1_PredictRequest_LabelsEntry_descriptor =
+        internal_static_google_cloud_vertexai_v1_PredictRequest_descriptor.getNestedType(0);
+    internal_static_google_cloud_vertexai_v1_PredictRequest_LabelsEntry_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_PredictRequest_LabelsEntry_descriptor,
+            new java.lang.String[] {
+              "Key", "Value",
             });
     internal_static_google_cloud_vertexai_v1_PredictResponse_descriptor =
-        getDescriptor().getMessageTypes().get(1);
+        getDescriptor().getMessageType(1);
     internal_static_google_cloud_vertexai_v1_PredictResponse_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_PredictResponse_descriptor,
             new java.lang.String[] {
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@@ -401,137 +492,137 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Metadata",
             });
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-        getDescriptor().getMessageTypes().get(2);
+        getDescriptor().getMessageType(2);
     internal_static_google_cloud_vertexai_v1_RawPredictRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
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               "Endpoint", "HttpBody",
             });
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-        getDescriptor().getMessageTypes().get(3);
+        getDescriptor().getMessageType(3);
     internal_static_google_cloud_vertexai_v1_StreamRawPredictRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
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               "Endpoint", "HttpBody",
             });
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-        getDescriptor().getMessageTypes().get(4);
+        getDescriptor().getMessageType(4);
     internal_static_google_cloud_vertexai_v1_DirectPredictRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
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               "Endpoint", "Inputs", "Parameters",
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-        getDescriptor().getMessageTypes().get(5);
+        getDescriptor().getMessageType(5);
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-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
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               "Outputs", "Parameters",
             });
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+        getDescriptor().getMessageType(6);
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-        getDescriptor().getMessageTypes().get(7);
+        getDescriptor().getMessageType(7);
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               "Output",
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               "Endpoint", "Inputs", "Parameters",
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+        getDescriptor().getMessageType(9);
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-        getDescriptor().getMessageTypes().get(10);
+        getDescriptor().getMessageType(10);
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               "Endpoint", "MethodName", "Input",
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             });
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+        getDescriptor().getMessageType(12);
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               "Endpoint", "Inputs", "Parameters",
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+        getDescriptor().getMessageType(13);
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               "Outputs", "Parameters",
             });
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+        getDescriptor().getMessageType(14);
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-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
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               "Endpoint", "MethodName", "Input",
             });
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+        getDescriptor().getMessageType(15);
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               "Output",
             });
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             });
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-        getDescriptor().getMessageTypes().get(17);
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-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
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               "Explanations", "DeployedModelId", "Predictions",
             });
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@@ -543,17 +634,17 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "GenerationConfig",
             });
     internal_static_google_cloud_vertexai_v1_CountTokensResponse_descriptor =
-        getDescriptor().getMessageTypes().get(19);
+        getDescriptor().getMessageType(19);
     internal_static_google_cloud_vertexai_v1_CountTokensResponse_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_CountTokensResponse_descriptor,
             new java.lang.String[] {
               "TotalTokens", "TotalBillableCharacters", "PromptTokensDetails",
             });
     internal_static_google_cloud_vertexai_v1_GenerateContentRequest_descriptor =
-        getDescriptor().getMessageTypes().get(20);
+        getDescriptor().getMessageType(20);
     internal_static_google_cloud_vertexai_v1_GenerateContentRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GenerateContentRequest_descriptor,
             new java.lang.String[] {
               "Model",
@@ -564,22 +655,21 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "ToolConfig",
               "Labels",
               "SafetySettings",
+              "ModelArmorConfig",
               "GenerationConfig",
             });
     internal_static_google_cloud_vertexai_v1_GenerateContentRequest_LabelsEntry_descriptor =
-        internal_static_google_cloud_vertexai_v1_GenerateContentRequest_descriptor
-            .getNestedTypes()
-            .get(0);
+        internal_static_google_cloud_vertexai_v1_GenerateContentRequest_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_GenerateContentRequest_LabelsEntry_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GenerateContentRequest_LabelsEntry_descriptor,
             new java.lang.String[] {
               "Key", "Value",
             });
     internal_static_google_cloud_vertexai_v1_GenerateContentResponse_descriptor =
-        getDescriptor().getMessageTypes().get(21);
+        getDescriptor().getMessageType(21);
     internal_static_google_cloud_vertexai_v1_GenerateContentResponse_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GenerateContentResponse_descriptor,
             new java.lang.String[] {
               "Candidates",
@@ -590,41 +680,55 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "UsageMetadata",
             });
     internal_static_google_cloud_vertexai_v1_GenerateContentResponse_PromptFeedback_descriptor =
-        internal_static_google_cloud_vertexai_v1_GenerateContentResponse_descriptor
-            .getNestedTypes()
-            .get(0);
+        internal_static_google_cloud_vertexai_v1_GenerateContentResponse_descriptor.getNestedType(
+            0);
     internal_static_google_cloud_vertexai_v1_GenerateContentResponse_PromptFeedback_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GenerateContentResponse_PromptFeedback_descriptor,
             new java.lang.String[] {
               "BlockReason", "SafetyRatings", "BlockReasonMessage",
             });
     internal_static_google_cloud_vertexai_v1_GenerateContentResponse_UsageMetadata_descriptor =
-        internal_static_google_cloud_vertexai_v1_GenerateContentResponse_descriptor
-            .getNestedTypes()
-            .get(1);
+        internal_static_google_cloud_vertexai_v1_GenerateContentResponse_descriptor.getNestedType(
+            1);
     internal_static_google_cloud_vertexai_v1_GenerateContentResponse_UsageMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GenerateContentResponse_UsageMetadata_descriptor,
             new java.lang.String[] {
               "PromptTokenCount",
               "CandidatesTokenCount",
+              "ThoughtsTokenCount",
               "TotalTokenCount",
               "CachedContentTokenCount",
               "PromptTokensDetails",
               "CacheTokensDetails",
               "CandidatesTokensDetails",
             });
-    com.google.protobuf.ExtensionRegistry registry =
-        com.google.protobuf.ExtensionRegistry.newInstance();
-    registry.add(com.google.api.ClientProto.defaultHost);
-    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
-    registry.add(com.google.api.AnnotationsProto.http);
-    registry.add(com.google.api.ClientProto.methodSignature);
-    registry.add(com.google.api.ClientProto.oauthScopes);
-    registry.add(com.google.api.ResourceProto.resourceReference);
-    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
-        descriptor, registry);
+    internal_static_google_cloud_vertexai_v1_EmbedContentRequest_descriptor =
+        getDescriptor().getMessageType(22);
+    internal_static_google_cloud_vertexai_v1_EmbedContentRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_EmbedContentRequest_descriptor,
+            new java.lang.String[] {
+              "Model", "Content", "Title", "TaskType", "OutputDimensionality", "AutoTruncate",
+            });
+    internal_static_google_cloud_vertexai_v1_EmbedContentResponse_descriptor =
+        getDescriptor().getMessageType(23);
+    internal_static_google_cloud_vertexai_v1_EmbedContentResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_EmbedContentResponse_descriptor,
+            new java.lang.String[] {
+              "Embedding", "UsageMetadata", "Truncated",
+            });
+    internal_static_google_cloud_vertexai_v1_EmbedContentResponse_Embedding_descriptor =
+        internal_static_google_cloud_vertexai_v1_EmbedContentResponse_descriptor.getNestedType(0);
+    internal_static_google_cloud_vertexai_v1_EmbedContentResponse_Embedding_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_EmbedContentResponse_Embedding_descriptor,
+            new java.lang.String[] {
+              "Values",
+            });
+    descriptor.resolveAllFeaturesImmutable();
     com.google.api.AnnotationsProto.getDescriptor();
     com.google.api.ClientProto.getDescriptor();
     com.google.api.FieldBehaviorProto.getDescriptor();
@@ -634,8 +738,19 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.cloud.vertexai.api.ExplanationProto.getDescriptor();
     com.google.cloud.vertexai.api.ToolProto.getDescriptor();
     com.google.cloud.vertexai.api.TypesProto.getDescriptor();
+    com.google.cloud.vertexai.api.UsageMetadataProto.getDescriptor();
     com.google.protobuf.StructProto.getDescriptor();
     com.google.protobuf.TimestampProto.getDescriptor();
+    com.google.protobuf.ExtensionRegistry registry =
+        com.google.protobuf.ExtensionRegistry.newInstance();
+    registry.add(com.google.api.ClientProto.defaultHost);
+    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
+    registry.add(com.google.api.AnnotationsProto.http);
+    registry.add(com.google.api.ClientProto.methodSignature);
+    registry.add(com.google.api.ClientProto.oauthScopes);
+    registry.add(com.google.api.ResourceProto.resourceReference);
+    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
+        descriptor, registry);
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Presets.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Presets.java
index 5e51057f97d7..dad78fa76dd6 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Presets.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Presets.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Presets}
  */
-public final class Presets extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Presets extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Presets)
     PresetsOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Presets");
+  }
+
   // Use Presets.newBuilder() to construct.
-  private Presets(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Presets(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private Presets() {
     modality_ = 0;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Presets();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_Presets_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_Presets_fieldAccessorTable
@@ -98,6 +104,16 @@ public enum Query implements com.google.protobuf.ProtocolMessageEnum {
     UNRECOGNIZED(-1),
     ;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "Query");
+    }
+
     /**
      *
      *
@@ -176,7 +192,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
       return getDescriptor();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
       return com.google.cloud.vertexai.api.Presets.getDescriptor().getEnumTypes().get(0);
     }
 
@@ -254,6 +270,16 @@ public enum Modality implements com.google.protobuf.ProtocolMessageEnum {
     UNRECOGNIZED(-1),
     ;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "Modality");
+    }
+
     /**
      *
      *
@@ -358,7 +384,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
       return getDescriptor();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
       return com.google.cloud.vertexai.api.Presets.getDescriptor().getEnumTypes().get(1);
     }
 
@@ -598,38 +624,38 @@ public static com.google.cloud.vertexai.api.Presets parseFrom(
 
   public static com.google.cloud.vertexai.api.Presets parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Presets parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Presets parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Presets parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Presets parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Presets parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -652,7 +678,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -666,7 +692,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Presets}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Presets)
       com.google.cloud.vertexai.api.PresetsOrBuilder {
@@ -676,7 +702,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_Presets_fieldAccessorTable
@@ -688,7 +714,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.Presets.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -745,39 +771,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.Presets result) {
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Presets) {
@@ -791,7 +784,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     public Builder mergeFrom(com.google.cloud.vertexai.api.Presets other) {
       if (other == com.google.cloud.vertexai.api.Presets.getDefaultInstance()) return this;
       if (other.hasQuery()) {
-        setQuery(other.getQuery());
+        setQueryValue(other.getQueryValue());
       }
       if (other.modality_ != 0) {
         setModalityValue(other.getModalityValue());
@@ -1080,17 +1073,6 @@ public Builder clearModality() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Presets)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PresetsOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PresetsOrBuilder.java
index 47b9e8665118..f186d39bac69 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PresetsOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PresetsOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface PresetsOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Presets)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateEndpoints.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateEndpoints.java
index 5cd50fe58175..cf3096ecaa15 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateEndpoints.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateEndpoints.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -32,14 +33,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.PrivateEndpoints}
  */
-public final class PrivateEndpoints extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class PrivateEndpoints extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.PrivateEndpoints)
     PrivateEndpointsOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "PrivateEndpoints");
+  }
+
   // Use PrivateEndpoints.newBuilder() to construct.
-  private PrivateEndpoints(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private PrivateEndpoints(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -50,19 +62,13 @@ private PrivateEndpoints() {
     serviceAttachment_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new PrivateEndpoints();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointProto
         .internal_static_google_cloud_vertexai_v1_PrivateEndpoints_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointProto
         .internal_static_google_cloud_vertexai_v1_PrivateEndpoints_fieldAccessorTable
@@ -299,17 +305,17 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(predictHttpUri_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, predictHttpUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(predictHttpUri_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, predictHttpUri_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(explainHttpUri_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, explainHttpUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(explainHttpUri_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, explainHttpUri_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(healthHttpUri_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, healthHttpUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(healthHttpUri_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, healthHttpUri_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(serviceAttachment_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, serviceAttachment_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(serviceAttachment_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 4, serviceAttachment_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -320,17 +326,17 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(predictHttpUri_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, predictHttpUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(predictHttpUri_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, predictHttpUri_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(explainHttpUri_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, explainHttpUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(explainHttpUri_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, explainHttpUri_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(healthHttpUri_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, healthHttpUri_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(healthHttpUri_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, healthHttpUri_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(serviceAttachment_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, serviceAttachment_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(serviceAttachment_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(4, serviceAttachment_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -413,38 +419,38 @@ public static com.google.cloud.vertexai.api.PrivateEndpoints parseFrom(
 
   public static com.google.cloud.vertexai.api.PrivateEndpoints parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PrivateEndpoints parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PrivateEndpoints parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PrivateEndpoints parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PrivateEndpoints parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PrivateEndpoints parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -467,7 +473,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -485,7 +491,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.PrivateEndpoints}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.PrivateEndpoints)
       com.google.cloud.vertexai.api.PrivateEndpointsOrBuilder {
@@ -495,7 +501,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointProto
           .internal_static_google_cloud_vertexai_v1_PrivateEndpoints_fieldAccessorTable
@@ -507,7 +513,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.PrivateEndpoints.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -569,39 +575,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.PrivateEndpoints result
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.PrivateEndpoints) {
@@ -1152,17 +1125,6 @@ public Builder setServiceAttachmentBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.PrivateEndpoints)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateEndpointsOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateEndpointsOrBuilder.java
index 75ebd9ba60d5..4d4fc147a57c 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateEndpointsOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateEndpointsOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface PrivateEndpointsOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.PrivateEndpoints)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateServiceConnectConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateServiceConnectConfig.java
index 598a47a1a9b5..33f3293e5777 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateServiceConnectConfig.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateServiceConnectConfig.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/service_networking.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,35 +29,41 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.PrivateServiceConnectConfig}
  */
-public final class PrivateServiceConnectConfig extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class PrivateServiceConnectConfig extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.PrivateServiceConnectConfig)
     PrivateServiceConnectConfigOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "PrivateServiceConnectConfig");
+  }
+
   // Use PrivateServiceConnectConfig.newBuilder() to construct.
-  private PrivateServiceConnectConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private PrivateServiceConnectConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private PrivateServiceConnectConfig() {
     projectAllowlist_ = com.google.protobuf.LazyStringArrayList.emptyList();
+    pscAutomationConfigs_ = java.util.Collections.emptyList();
     serviceAttachment_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new PrivateServiceConnectConfig();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ServiceNetworkingProto
         .internal_static_google_cloud_vertexai_v1_PrivateServiceConnectConfig_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ServiceNetworkingProto
         .internal_static_google_cloud_vertexai_v1_PrivateServiceConnectConfig_fieldAccessorTable
@@ -156,6 +163,99 @@ public com.google.protobuf.ByteString getProjectAllowlistBytes(int index) {
     return projectAllowlist_.getByteString(index);
   }
 
+  public static final int PSC_AUTOMATION_CONFIGS_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.vertexai.api.PSCAutomationConfig> pscAutomationConfigs_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of projects and networks where the PSC endpoints will be
+   * created. This field is used by Online Inference(Prediction) only.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.vertexai.api.PSCAutomationConfig>
+      getPscAutomationConfigsList() {
+    return pscAutomationConfigs_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of projects and networks where the PSC endpoints will be
+   * created. This field is used by Online Inference(Prediction) only.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.vertexai.api.PSCAutomationConfigOrBuilder>
+      getPscAutomationConfigsOrBuilderList() {
+    return pscAutomationConfigs_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of projects and networks where the PSC endpoints will be
+   * created. This field is used by Online Inference(Prediction) only.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public int getPscAutomationConfigsCount() {
+    return pscAutomationConfigs_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of projects and networks where the PSC endpoints will be
+   * created. This field is used by Online Inference(Prediction) only.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.PSCAutomationConfig getPscAutomationConfigs(int index) {
+    return pscAutomationConfigs_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of projects and networks where the PSC endpoints will be
+   * created. This field is used by Online Inference(Prediction) only.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.PSCAutomationConfigOrBuilder
+      getPscAutomationConfigsOrBuilder(int index) {
+    return pscAutomationConfigs_.get(index);
+  }
+
   public static final int SERVICE_ATTACHMENT_FIELD_NUMBER = 5;
 
   @SuppressWarnings("serial")
@@ -231,10 +331,13 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
       output.writeBool(1, enablePrivateServiceConnect_);
     }
     for (int i = 0; i < projectAllowlist_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, projectAllowlist_.getRaw(i));
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, projectAllowlist_.getRaw(i));
+    }
+    for (int i = 0; i < pscAutomationConfigs_.size(); i++) {
+      output.writeMessage(3, pscAutomationConfigs_.get(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(serviceAttachment_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, serviceAttachment_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(serviceAttachment_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 5, serviceAttachment_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -257,8 +360,12 @@ public int getSerializedSize() {
       size += dataSize;
       size += 1 * getProjectAllowlistList().size();
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(serviceAttachment_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, serviceAttachment_);
+    for (int i = 0; i < pscAutomationConfigs_.size(); i++) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(3, pscAutomationConfigs_.get(i));
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(serviceAttachment_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(5, serviceAttachment_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -278,6 +385,7 @@ public boolean equals(final java.lang.Object obj) {
 
     if (getEnablePrivateServiceConnect() != other.getEnablePrivateServiceConnect()) return false;
     if (!getProjectAllowlistList().equals(other.getProjectAllowlistList())) return false;
+    if (!getPscAutomationConfigsList().equals(other.getPscAutomationConfigsList())) return false;
     if (!getServiceAttachment().equals(other.getServiceAttachment())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -296,6 +404,10 @@ public int hashCode() {
       hash = (37 * hash) + PROJECT_ALLOWLIST_FIELD_NUMBER;
       hash = (53 * hash) + getProjectAllowlistList().hashCode();
     }
+    if (getPscAutomationConfigsCount() > 0) {
+      hash = (37 * hash) + PSC_AUTOMATION_CONFIGS_FIELD_NUMBER;
+      hash = (53 * hash) + getPscAutomationConfigsList().hashCode();
+    }
     hash = (37 * hash) + SERVICE_ATTACHMENT_FIELD_NUMBER;
     hash = (53 * hash) + getServiceAttachment().hashCode();
     hash = (29 * hash) + getUnknownFields().hashCode();
@@ -340,38 +452,38 @@ public static com.google.cloud.vertexai.api.PrivateServiceConnectConfig parseFro
 
   public static com.google.cloud.vertexai.api.PrivateServiceConnectConfig parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PrivateServiceConnectConfig parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PrivateServiceConnectConfig parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PrivateServiceConnectConfig parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PrivateServiceConnectConfig parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PrivateServiceConnectConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -395,7 +507,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -409,7 +521,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.PrivateServiceConnectConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.PrivateServiceConnectConfig)
       com.google.cloud.vertexai.api.PrivateServiceConnectConfigOrBuilder {
@@ -419,7 +531,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ServiceNetworkingProto
           .internal_static_google_cloud_vertexai_v1_PrivateServiceConnectConfig_fieldAccessorTable
@@ -431,7 +543,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.PrivateServiceConnectConfig.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -441,6 +553,13 @@ public Builder clear() {
       bitField0_ = 0;
       enablePrivateServiceConnect_ = false;
       projectAllowlist_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      if (pscAutomationConfigsBuilder_ == null) {
+        pscAutomationConfigs_ = java.util.Collections.emptyList();
+      } else {
+        pscAutomationConfigs_ = null;
+        pscAutomationConfigsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000004);
       serviceAttachment_ = "";
       return this;
     }
@@ -469,6 +588,7 @@ public com.google.cloud.vertexai.api.PrivateServiceConnectConfig build() {
     public com.google.cloud.vertexai.api.PrivateServiceConnectConfig buildPartial() {
       com.google.cloud.vertexai.api.PrivateServiceConnectConfig result =
           new com.google.cloud.vertexai.api.PrivateServiceConnectConfig(this);
+      buildPartialRepeatedFields(result);
       if (bitField0_ != 0) {
         buildPartial0(result);
       }
@@ -476,6 +596,19 @@ public com.google.cloud.vertexai.api.PrivateServiceConnectConfig buildPartial()
       return result;
     }
 
+    private void buildPartialRepeatedFields(
+        com.google.cloud.vertexai.api.PrivateServiceConnectConfig result) {
+      if (pscAutomationConfigsBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)) {
+          pscAutomationConfigs_ = java.util.Collections.unmodifiableList(pscAutomationConfigs_);
+          bitField0_ = (bitField0_ & ~0x00000004);
+        }
+        result.pscAutomationConfigs_ = pscAutomationConfigs_;
+      } else {
+        result.pscAutomationConfigs_ = pscAutomationConfigsBuilder_.build();
+      }
+    }
+
     private void buildPartial0(com.google.cloud.vertexai.api.PrivateServiceConnectConfig result) {
       int from_bitField0_ = bitField0_;
       if (((from_bitField0_ & 0x00000001) != 0)) {
@@ -485,44 +618,11 @@ private void buildPartial0(com.google.cloud.vertexai.api.PrivateServiceConnectCo
         projectAllowlist_.makeImmutable();
         result.projectAllowlist_ = projectAllowlist_;
       }
-      if (((from_bitField0_ & 0x00000004) != 0)) {
+      if (((from_bitField0_ & 0x00000008) != 0)) {
         result.serviceAttachment_ = serviceAttachment_;
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.PrivateServiceConnectConfig) {
@@ -549,9 +649,36 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.PrivateServiceConnectConf
         }
         onChanged();
       }
+      if (pscAutomationConfigsBuilder_ == null) {
+        if (!other.pscAutomationConfigs_.isEmpty()) {
+          if (pscAutomationConfigs_.isEmpty()) {
+            pscAutomationConfigs_ = other.pscAutomationConfigs_;
+            bitField0_ = (bitField0_ & ~0x00000004);
+          } else {
+            ensurePscAutomationConfigsIsMutable();
+            pscAutomationConfigs_.addAll(other.pscAutomationConfigs_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.pscAutomationConfigs_.isEmpty()) {
+          if (pscAutomationConfigsBuilder_.isEmpty()) {
+            pscAutomationConfigsBuilder_.dispose();
+            pscAutomationConfigsBuilder_ = null;
+            pscAutomationConfigs_ = other.pscAutomationConfigs_;
+            bitField0_ = (bitField0_ & ~0x00000004);
+            pscAutomationConfigsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetPscAutomationConfigsFieldBuilder()
+                    : null;
+          } else {
+            pscAutomationConfigsBuilder_.addAllMessages(other.pscAutomationConfigs_);
+          }
+        }
+      }
       if (!other.getServiceAttachment().isEmpty()) {
         serviceAttachment_ = other.serviceAttachment_;
-        bitField0_ |= 0x00000004;
+        bitField0_ |= 0x00000008;
         onChanged();
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -593,10 +720,24 @@ public Builder mergeFrom(
                 projectAllowlist_.add(s);
                 break;
               } // case 18
+            case 26:
+              {
+                com.google.cloud.vertexai.api.PSCAutomationConfig m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.PSCAutomationConfig.parser(),
+                        extensionRegistry);
+                if (pscAutomationConfigsBuilder_ == null) {
+                  ensurePscAutomationConfigsIsMutable();
+                  pscAutomationConfigs_.add(m);
+                } else {
+                  pscAutomationConfigsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 26
             case 42:
               {
                 serviceAttachment_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000004;
+                bitField0_ |= 0x00000008;
                 break;
               } // case 42
             default:
@@ -869,6 +1010,441 @@ public Builder addProjectAllowlistBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private java.util.List<com.google.cloud.vertexai.api.PSCAutomationConfig>
+        pscAutomationConfigs_ = java.util.Collections.emptyList();
+
+    private void ensurePscAutomationConfigsIsMutable() {
+      if (!((bitField0_ & 0x00000004) != 0)) {
+        pscAutomationConfigs_ =
+            new java.util.ArrayList<com.google.cloud.vertexai.api.PSCAutomationConfig>(
+                pscAutomationConfigs_);
+        bitField0_ |= 0x00000004;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.PSCAutomationConfig,
+            com.google.cloud.vertexai.api.PSCAutomationConfig.Builder,
+            com.google.cloud.vertexai.api.PSCAutomationConfigOrBuilder>
+        pscAutomationConfigsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.PSCAutomationConfig>
+        getPscAutomationConfigsList() {
+      if (pscAutomationConfigsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(pscAutomationConfigs_);
+      } else {
+        return pscAutomationConfigsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public int getPscAutomationConfigsCount() {
+      if (pscAutomationConfigsBuilder_ == null) {
+        return pscAutomationConfigs_.size();
+      } else {
+        return pscAutomationConfigsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.PSCAutomationConfig getPscAutomationConfigs(int index) {
+      if (pscAutomationConfigsBuilder_ == null) {
+        return pscAutomationConfigs_.get(index);
+      } else {
+        return pscAutomationConfigsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setPscAutomationConfigs(
+        int index, com.google.cloud.vertexai.api.PSCAutomationConfig value) {
+      if (pscAutomationConfigsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePscAutomationConfigsIsMutable();
+        pscAutomationConfigs_.set(index, value);
+        onChanged();
+      } else {
+        pscAutomationConfigsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setPscAutomationConfigs(
+        int index, com.google.cloud.vertexai.api.PSCAutomationConfig.Builder builderForValue) {
+      if (pscAutomationConfigsBuilder_ == null) {
+        ensurePscAutomationConfigsIsMutable();
+        pscAutomationConfigs_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        pscAutomationConfigsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addPscAutomationConfigs(
+        com.google.cloud.vertexai.api.PSCAutomationConfig value) {
+      if (pscAutomationConfigsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePscAutomationConfigsIsMutable();
+        pscAutomationConfigs_.add(value);
+        onChanged();
+      } else {
+        pscAutomationConfigsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addPscAutomationConfigs(
+        int index, com.google.cloud.vertexai.api.PSCAutomationConfig value) {
+      if (pscAutomationConfigsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePscAutomationConfigsIsMutable();
+        pscAutomationConfigs_.add(index, value);
+        onChanged();
+      } else {
+        pscAutomationConfigsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addPscAutomationConfigs(
+        com.google.cloud.vertexai.api.PSCAutomationConfig.Builder builderForValue) {
+      if (pscAutomationConfigsBuilder_ == null) {
+        ensurePscAutomationConfigsIsMutable();
+        pscAutomationConfigs_.add(builderForValue.build());
+        onChanged();
+      } else {
+        pscAutomationConfigsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addPscAutomationConfigs(
+        int index, com.google.cloud.vertexai.api.PSCAutomationConfig.Builder builderForValue) {
+      if (pscAutomationConfigsBuilder_ == null) {
+        ensurePscAutomationConfigsIsMutable();
+        pscAutomationConfigs_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        pscAutomationConfigsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addAllPscAutomationConfigs(
+        java.lang.Iterable<? extends com.google.cloud.vertexai.api.PSCAutomationConfig> values) {
+      if (pscAutomationConfigsBuilder_ == null) {
+        ensurePscAutomationConfigsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, pscAutomationConfigs_);
+        onChanged();
+      } else {
+        pscAutomationConfigsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearPscAutomationConfigs() {
+      if (pscAutomationConfigsBuilder_ == null) {
+        pscAutomationConfigs_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000004);
+        onChanged();
+      } else {
+        pscAutomationConfigsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder removePscAutomationConfigs(int index) {
+      if (pscAutomationConfigsBuilder_ == null) {
+        ensurePscAutomationConfigsIsMutable();
+        pscAutomationConfigs_.remove(index);
+        onChanged();
+      } else {
+        pscAutomationConfigsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.PSCAutomationConfig.Builder getPscAutomationConfigsBuilder(
+        int index) {
+      return internalGetPscAutomationConfigsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.PSCAutomationConfigOrBuilder
+        getPscAutomationConfigsOrBuilder(int index) {
+      if (pscAutomationConfigsBuilder_ == null) {
+        return pscAutomationConfigs_.get(index);
+      } else {
+        return pscAutomationConfigsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<? extends com.google.cloud.vertexai.api.PSCAutomationConfigOrBuilder>
+        getPscAutomationConfigsOrBuilderList() {
+      if (pscAutomationConfigsBuilder_ != null) {
+        return pscAutomationConfigsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(pscAutomationConfigs_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.PSCAutomationConfig.Builder
+        addPscAutomationConfigsBuilder() {
+      return internalGetPscAutomationConfigsFieldBuilder()
+          .addBuilder(com.google.cloud.vertexai.api.PSCAutomationConfig.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.PSCAutomationConfig.Builder addPscAutomationConfigsBuilder(
+        int index) {
+      return internalGetPscAutomationConfigsFieldBuilder()
+          .addBuilder(
+              index, com.google.cloud.vertexai.api.PSCAutomationConfig.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of projects and networks where the PSC endpoints will be
+     * created. This field is used by Online Inference(Prediction) only.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.PSCAutomationConfig.Builder>
+        getPscAutomationConfigsBuilderList() {
+      return internalGetPscAutomationConfigsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.PSCAutomationConfig,
+            com.google.cloud.vertexai.api.PSCAutomationConfig.Builder,
+            com.google.cloud.vertexai.api.PSCAutomationConfigOrBuilder>
+        internalGetPscAutomationConfigsFieldBuilder() {
+      if (pscAutomationConfigsBuilder_ == null) {
+        pscAutomationConfigsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.PSCAutomationConfig,
+                com.google.cloud.vertexai.api.PSCAutomationConfig.Builder,
+                com.google.cloud.vertexai.api.PSCAutomationConfigOrBuilder>(
+                pscAutomationConfigs_,
+                ((bitField0_ & 0x00000004) != 0),
+                getParentForChildren(),
+                isClean());
+        pscAutomationConfigs_ = null;
+      }
+      return pscAutomationConfigsBuilder_;
+    }
+
     private java.lang.Object serviceAttachment_ = "";
 
     /**
@@ -940,7 +1516,7 @@ public Builder setServiceAttachment(java.lang.String value) {
         throw new NullPointerException();
       }
       serviceAttachment_ = value;
-      bitField0_ |= 0x00000004;
+      bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
@@ -960,7 +1536,7 @@ public Builder setServiceAttachment(java.lang.String value) {
      */
     public Builder clearServiceAttachment() {
       serviceAttachment_ = getDefaultInstance().getServiceAttachment();
-      bitField0_ = (bitField0_ & ~0x00000004);
+      bitField0_ = (bitField0_ & ~0x00000008);
       onChanged();
       return this;
     }
@@ -985,22 +1561,11 @@ public Builder setServiceAttachmentBytes(com.google.protobuf.ByteString value) {
       }
       checkByteStringIsUtf8(value);
       serviceAttachment_ = value;
-      bitField0_ |= 0x00000004;
+      bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.PrivateServiceConnectConfig)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateServiceConnectConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateServiceConnectConfigOrBuilder.java
index 2404a13a4485..387187043ef6 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateServiceConnectConfigOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PrivateServiceConnectConfigOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/service_networking.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface PrivateServiceConnectConfigOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.PrivateServiceConnectConfig)
@@ -95,6 +97,78 @@ public interface PrivateServiceConnectConfigOrBuilder
    */
   com.google.protobuf.ByteString getProjectAllowlistBytes(int index);
 
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of projects and networks where the PSC endpoints will be
+   * created. This field is used by Online Inference(Prediction) only.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  java.util.List<com.google.cloud.vertexai.api.PSCAutomationConfig> getPscAutomationConfigsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of projects and networks where the PSC endpoints will be
+   * created. This field is used by Online Inference(Prediction) only.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.PSCAutomationConfig getPscAutomationConfigs(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of projects and networks where the PSC endpoints will be
+   * created. This field is used by Online Inference(Prediction) only.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  int getPscAutomationConfigsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of projects and networks where the PSC endpoints will be
+   * created. This field is used by Online Inference(Prediction) only.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.vertexai.api.PSCAutomationConfigOrBuilder>
+      getPscAutomationConfigsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. List of projects and networks where the PSC endpoints will be
+   * created. This field is used by Online Inference(Prediction) only.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.PSCAutomationConfig psc_automation_configs = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.PSCAutomationConfigOrBuilder getPscAutomationConfigsOrBuilder(
+      int index);
+
   /**
    *
    *
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PscAutomatedEndpoints.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PscAutomatedEndpoints.java
index 0dffb0e64fa0..2f9957da920a 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PscAutomatedEndpoints.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PscAutomatedEndpoints.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/service_networking.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.PscAutomatedEndpoints}
  */
-public final class PscAutomatedEndpoints extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class PscAutomatedEndpoints extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.PscAutomatedEndpoints)
     PscAutomatedEndpointsOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "PscAutomatedEndpoints");
+  }
+
   // Use PscAutomatedEndpoints.newBuilder() to construct.
-  private PscAutomatedEndpoints(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private PscAutomatedEndpoints(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -46,19 +58,13 @@ private PscAutomatedEndpoints() {
     matchAddress_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new PscAutomatedEndpoints();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ServiceNetworkingProto
         .internal_static_google_cloud_vertexai_v1_PscAutomatedEndpoints_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ServiceNetworkingProto
         .internal_static_google_cloud_vertexai_v1_PscAutomatedEndpoints_fieldAccessorTable
@@ -240,14 +246,14 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(projectId_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, projectId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(projectId_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, projectId_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(network_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, network_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(network_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, network_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(matchAddress_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, matchAddress_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(matchAddress_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, matchAddress_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -258,14 +264,14 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(projectId_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, projectId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(projectId_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, projectId_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(network_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, network_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(network_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, network_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(matchAddress_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, matchAddress_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(matchAddress_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, matchAddress_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -345,38 +351,38 @@ public static com.google.cloud.vertexai.api.PscAutomatedEndpoints parseFrom(
 
   public static com.google.cloud.vertexai.api.PscAutomatedEndpoints parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PscAutomatedEndpoints parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PscAutomatedEndpoints parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PscAutomatedEndpoints parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.PscAutomatedEndpoints parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.PscAutomatedEndpoints parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -399,7 +405,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -414,7 +420,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.PscAutomatedEndpoints}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.PscAutomatedEndpoints)
       com.google.cloud.vertexai.api.PscAutomatedEndpointsOrBuilder {
@@ -424,7 +430,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ServiceNetworkingProto
           .internal_static_google_cloud_vertexai_v1_PscAutomatedEndpoints_fieldAccessorTable
@@ -436,7 +442,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.PscAutomatedEndpoints.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -494,39 +500,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.PscAutomatedEndpoints r
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.PscAutomatedEndpoints) {
@@ -951,17 +924,6 @@ public Builder setMatchAddressBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.PscAutomatedEndpoints)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PscAutomatedEndpointsOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PscAutomatedEndpointsOrBuilder.java
index b8d966149e80..930c66e0f927 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PscAutomatedEndpointsOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PscAutomatedEndpointsOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/service_networking.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface PscAutomatedEndpointsOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.PscAutomatedEndpoints)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PscInterfaceConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PscInterfaceConfig.java
new file mode 100644
index 000000000000..77fb5ced1195
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PscInterfaceConfig.java
@@ -0,0 +1,1319 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/service_networking.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Configuration for PSC-I.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.PscInterfaceConfig}
+ */
+@com.google.protobuf.Generated
+public final class PscInterfaceConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.PscInterfaceConfig)
+    PscInterfaceConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "PscInterfaceConfig");
+  }
+
+  // Use PscInterfaceConfig.newBuilder() to construct.
+  private PscInterfaceConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private PscInterfaceConfig() {
+    networkAttachment_ = "";
+    dnsPeeringConfigs_ = java.util.Collections.emptyList();
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ServiceNetworkingProto
+        .internal_static_google_cloud_vertexai_v1_PscInterfaceConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ServiceNetworkingProto
+        .internal_static_google_cloud_vertexai_v1_PscInterfaceConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.PscInterfaceConfig.class,
+            com.google.cloud.vertexai.api.PscInterfaceConfig.Builder.class);
+  }
+
+  public static final int NETWORK_ATTACHMENT_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object networkAttachment_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The name of the Compute Engine
+   * [network
+   * attachment](https://cloud.google.com/vpc/docs/about-network-attachments) to
+   * attach to the resource within the region and user project.
+   * To specify this field, you must have already [created a network attachment]
+   * (https://cloud.google.com/vpc/docs/create-manage-network-attachments#create-network-attachments).
+   * This field is only used for resources using PSC-I.
+   * </pre>
+   *
+   * <code>
+   * string network_attachment = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The networkAttachment.
+   */
+  @java.lang.Override
+  public java.lang.String getNetworkAttachment() {
+    java.lang.Object ref = networkAttachment_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      networkAttachment_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The name of the Compute Engine
+   * [network
+   * attachment](https://cloud.google.com/vpc/docs/about-network-attachments) to
+   * attach to the resource within the region and user project.
+   * To specify this field, you must have already [created a network attachment]
+   * (https://cloud.google.com/vpc/docs/create-manage-network-attachments#create-network-attachments).
+   * This field is only used for resources using PSC-I.
+   * </pre>
+   *
+   * <code>
+   * string network_attachment = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for networkAttachment.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNetworkAttachmentBytes() {
+    java.lang.Object ref = networkAttachment_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      networkAttachment_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int DNS_PEERING_CONFIGS_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.vertexai.api.DnsPeeringConfig> dnsPeeringConfigs_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. DNS peering configurations. When specified, Vertex AI will
+   * attempt to configure DNS peering zones in the tenant project VPC
+   * to resolve the specified domains using the target network's Cloud DNS.
+   * The user must grant the dns.peer role to the Vertex AI Service Agent
+   * on the target project.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.vertexai.api.DnsPeeringConfig> getDnsPeeringConfigsList() {
+    return dnsPeeringConfigs_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. DNS peering configurations. When specified, Vertex AI will
+   * attempt to configure DNS peering zones in the tenant project VPC
+   * to resolve the specified domains using the target network's Cloud DNS.
+   * The user must grant the dns.peer role to the Vertex AI Service Agent
+   * on the target project.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.vertexai.api.DnsPeeringConfigOrBuilder>
+      getDnsPeeringConfigsOrBuilderList() {
+    return dnsPeeringConfigs_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. DNS peering configurations. When specified, Vertex AI will
+   * attempt to configure DNS peering zones in the tenant project VPC
+   * to resolve the specified domains using the target network's Cloud DNS.
+   * The user must grant the dns.peer role to the Vertex AI Service Agent
+   * on the target project.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public int getDnsPeeringConfigsCount() {
+    return dnsPeeringConfigs_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. DNS peering configurations. When specified, Vertex AI will
+   * attempt to configure DNS peering zones in the tenant project VPC
+   * to resolve the specified domains using the target network's Cloud DNS.
+   * The user must grant the dns.peer role to the Vertex AI Service Agent
+   * on the target project.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.DnsPeeringConfig getDnsPeeringConfigs(int index) {
+    return dnsPeeringConfigs_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. DNS peering configurations. When specified, Vertex AI will
+   * attempt to configure DNS peering zones in the tenant project VPC
+   * to resolve the specified domains using the target network's Cloud DNS.
+   * The user must grant the dns.peer role to the Vertex AI Service Agent
+   * on the target project.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.DnsPeeringConfigOrBuilder getDnsPeeringConfigsOrBuilder(
+      int index) {
+    return dnsPeeringConfigs_.get(index);
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(networkAttachment_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, networkAttachment_);
+    }
+    for (int i = 0; i < dnsPeeringConfigs_.size(); i++) {
+      output.writeMessage(2, dnsPeeringConfigs_.get(i));
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(networkAttachment_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, networkAttachment_);
+    }
+    for (int i = 0; i < dnsPeeringConfigs_.size(); i++) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(2, dnsPeeringConfigs_.get(i));
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.PscInterfaceConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.PscInterfaceConfig other =
+        (com.google.cloud.vertexai.api.PscInterfaceConfig) obj;
+
+    if (!getNetworkAttachment().equals(other.getNetworkAttachment())) return false;
+    if (!getDnsPeeringConfigsList().equals(other.getDnsPeeringConfigsList())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NETWORK_ATTACHMENT_FIELD_NUMBER;
+    hash = (53 * hash) + getNetworkAttachment().hashCode();
+    if (getDnsPeeringConfigsCount() > 0) {
+      hash = (37 * hash) + DNS_PEERING_CONFIGS_FIELD_NUMBER;
+      hash = (53 * hash) + getDnsPeeringConfigsList().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.PscInterfaceConfig parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.PscInterfaceConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.PscInterfaceConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.PscInterfaceConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.PscInterfaceConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.PscInterfaceConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.PscInterfaceConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.PscInterfaceConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.PscInterfaceConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.PscInterfaceConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.PscInterfaceConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.PscInterfaceConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.PscInterfaceConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for PSC-I.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.PscInterfaceConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.PscInterfaceConfig)
+      com.google.cloud.vertexai.api.PscInterfaceConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ServiceNetworkingProto
+          .internal_static_google_cloud_vertexai_v1_PscInterfaceConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ServiceNetworkingProto
+          .internal_static_google_cloud_vertexai_v1_PscInterfaceConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.PscInterfaceConfig.class,
+              com.google.cloud.vertexai.api.PscInterfaceConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.PscInterfaceConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      networkAttachment_ = "";
+      if (dnsPeeringConfigsBuilder_ == null) {
+        dnsPeeringConfigs_ = java.util.Collections.emptyList();
+      } else {
+        dnsPeeringConfigs_ = null;
+        dnsPeeringConfigsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000002);
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ServiceNetworkingProto
+          .internal_static_google_cloud_vertexai_v1_PscInterfaceConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.PscInterfaceConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.PscInterfaceConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.PscInterfaceConfig build() {
+      com.google.cloud.vertexai.api.PscInterfaceConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.PscInterfaceConfig buildPartial() {
+      com.google.cloud.vertexai.api.PscInterfaceConfig result =
+          new com.google.cloud.vertexai.api.PscInterfaceConfig(this);
+      buildPartialRepeatedFields(result);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartialRepeatedFields(
+        com.google.cloud.vertexai.api.PscInterfaceConfig result) {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        if (((bitField0_ & 0x00000002) != 0)) {
+          dnsPeeringConfigs_ = java.util.Collections.unmodifiableList(dnsPeeringConfigs_);
+          bitField0_ = (bitField0_ & ~0x00000002);
+        }
+        result.dnsPeeringConfigs_ = dnsPeeringConfigs_;
+      } else {
+        result.dnsPeeringConfigs_ = dnsPeeringConfigsBuilder_.build();
+      }
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.PscInterfaceConfig result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.networkAttachment_ = networkAttachment_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.PscInterfaceConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.PscInterfaceConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.PscInterfaceConfig other) {
+      if (other == com.google.cloud.vertexai.api.PscInterfaceConfig.getDefaultInstance())
+        return this;
+      if (!other.getNetworkAttachment().isEmpty()) {
+        networkAttachment_ = other.networkAttachment_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      if (dnsPeeringConfigsBuilder_ == null) {
+        if (!other.dnsPeeringConfigs_.isEmpty()) {
+          if (dnsPeeringConfigs_.isEmpty()) {
+            dnsPeeringConfigs_ = other.dnsPeeringConfigs_;
+            bitField0_ = (bitField0_ & ~0x00000002);
+          } else {
+            ensureDnsPeeringConfigsIsMutable();
+            dnsPeeringConfigs_.addAll(other.dnsPeeringConfigs_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.dnsPeeringConfigs_.isEmpty()) {
+          if (dnsPeeringConfigsBuilder_.isEmpty()) {
+            dnsPeeringConfigsBuilder_.dispose();
+            dnsPeeringConfigsBuilder_ = null;
+            dnsPeeringConfigs_ = other.dnsPeeringConfigs_;
+            bitField0_ = (bitField0_ & ~0x00000002);
+            dnsPeeringConfigsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetDnsPeeringConfigsFieldBuilder()
+                    : null;
+          } else {
+            dnsPeeringConfigsBuilder_.addAllMessages(other.dnsPeeringConfigs_);
+          }
+        }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                networkAttachment_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                com.google.cloud.vertexai.api.DnsPeeringConfig m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.DnsPeeringConfig.parser(), extensionRegistry);
+                if (dnsPeeringConfigsBuilder_ == null) {
+                  ensureDnsPeeringConfigsIsMutable();
+                  dnsPeeringConfigs_.add(m);
+                } else {
+                  dnsPeeringConfigsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object networkAttachment_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Compute Engine
+     * [network
+     * attachment](https://cloud.google.com/vpc/docs/about-network-attachments) to
+     * attach to the resource within the region and user project.
+     * To specify this field, you must have already [created a network attachment]
+     * (https://cloud.google.com/vpc/docs/create-manage-network-attachments#create-network-attachments).
+     * This field is only used for resources using PSC-I.
+     * </pre>
+     *
+     * <code>
+     * string network_attachment = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The networkAttachment.
+     */
+    public java.lang.String getNetworkAttachment() {
+      java.lang.Object ref = networkAttachment_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        networkAttachment_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Compute Engine
+     * [network
+     * attachment](https://cloud.google.com/vpc/docs/about-network-attachments) to
+     * attach to the resource within the region and user project.
+     * To specify this field, you must have already [created a network attachment]
+     * (https://cloud.google.com/vpc/docs/create-manage-network-attachments#create-network-attachments).
+     * This field is only used for resources using PSC-I.
+     * </pre>
+     *
+     * <code>
+     * string network_attachment = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for networkAttachment.
+     */
+    public com.google.protobuf.ByteString getNetworkAttachmentBytes() {
+      java.lang.Object ref = networkAttachment_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        networkAttachment_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Compute Engine
+     * [network
+     * attachment](https://cloud.google.com/vpc/docs/about-network-attachments) to
+     * attach to the resource within the region and user project.
+     * To specify this field, you must have already [created a network attachment]
+     * (https://cloud.google.com/vpc/docs/create-manage-network-attachments#create-network-attachments).
+     * This field is only used for resources using PSC-I.
+     * </pre>
+     *
+     * <code>
+     * string network_attachment = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The networkAttachment to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNetworkAttachment(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      networkAttachment_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Compute Engine
+     * [network
+     * attachment](https://cloud.google.com/vpc/docs/about-network-attachments) to
+     * attach to the resource within the region and user project.
+     * To specify this field, you must have already [created a network attachment]
+     * (https://cloud.google.com/vpc/docs/create-manage-network-attachments#create-network-attachments).
+     * This field is only used for resources using PSC-I.
+     * </pre>
+     *
+     * <code>
+     * string network_attachment = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearNetworkAttachment() {
+      networkAttachment_ = getDefaultInstance().getNetworkAttachment();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The name of the Compute Engine
+     * [network
+     * attachment](https://cloud.google.com/vpc/docs/about-network-attachments) to
+     * attach to the resource within the region and user project.
+     * To specify this field, you must have already [created a network attachment]
+     * (https://cloud.google.com/vpc/docs/create-manage-network-attachments#create-network-attachments).
+     * This field is only used for resources using PSC-I.
+     * </pre>
+     *
+     * <code>
+     * string network_attachment = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for networkAttachment to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNetworkAttachmentBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      networkAttachment_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private java.util.List<com.google.cloud.vertexai.api.DnsPeeringConfig> dnsPeeringConfigs_ =
+        java.util.Collections.emptyList();
+
+    private void ensureDnsPeeringConfigsIsMutable() {
+      if (!((bitField0_ & 0x00000002) != 0)) {
+        dnsPeeringConfigs_ =
+            new java.util.ArrayList<com.google.cloud.vertexai.api.DnsPeeringConfig>(
+                dnsPeeringConfigs_);
+        bitField0_ |= 0x00000002;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.DnsPeeringConfig,
+            com.google.cloud.vertexai.api.DnsPeeringConfig.Builder,
+            com.google.cloud.vertexai.api.DnsPeeringConfigOrBuilder>
+        dnsPeeringConfigsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.DnsPeeringConfig>
+        getDnsPeeringConfigsList() {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(dnsPeeringConfigs_);
+      } else {
+        return dnsPeeringConfigsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public int getDnsPeeringConfigsCount() {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        return dnsPeeringConfigs_.size();
+      } else {
+        return dnsPeeringConfigsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.DnsPeeringConfig getDnsPeeringConfigs(int index) {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        return dnsPeeringConfigs_.get(index);
+      } else {
+        return dnsPeeringConfigsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setDnsPeeringConfigs(
+        int index, com.google.cloud.vertexai.api.DnsPeeringConfig value) {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureDnsPeeringConfigsIsMutable();
+        dnsPeeringConfigs_.set(index, value);
+        onChanged();
+      } else {
+        dnsPeeringConfigsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setDnsPeeringConfigs(
+        int index, com.google.cloud.vertexai.api.DnsPeeringConfig.Builder builderForValue) {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        ensureDnsPeeringConfigsIsMutable();
+        dnsPeeringConfigs_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        dnsPeeringConfigsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addDnsPeeringConfigs(com.google.cloud.vertexai.api.DnsPeeringConfig value) {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureDnsPeeringConfigsIsMutable();
+        dnsPeeringConfigs_.add(value);
+        onChanged();
+      } else {
+        dnsPeeringConfigsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addDnsPeeringConfigs(
+        int index, com.google.cloud.vertexai.api.DnsPeeringConfig value) {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureDnsPeeringConfigsIsMutable();
+        dnsPeeringConfigs_.add(index, value);
+        onChanged();
+      } else {
+        dnsPeeringConfigsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addDnsPeeringConfigs(
+        com.google.cloud.vertexai.api.DnsPeeringConfig.Builder builderForValue) {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        ensureDnsPeeringConfigsIsMutable();
+        dnsPeeringConfigs_.add(builderForValue.build());
+        onChanged();
+      } else {
+        dnsPeeringConfigsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addDnsPeeringConfigs(
+        int index, com.google.cloud.vertexai.api.DnsPeeringConfig.Builder builderForValue) {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        ensureDnsPeeringConfigsIsMutable();
+        dnsPeeringConfigs_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        dnsPeeringConfigsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addAllDnsPeeringConfigs(
+        java.lang.Iterable<? extends com.google.cloud.vertexai.api.DnsPeeringConfig> values) {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        ensureDnsPeeringConfigsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, dnsPeeringConfigs_);
+        onChanged();
+      } else {
+        dnsPeeringConfigsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearDnsPeeringConfigs() {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        dnsPeeringConfigs_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000002);
+        onChanged();
+      } else {
+        dnsPeeringConfigsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder removeDnsPeeringConfigs(int index) {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        ensureDnsPeeringConfigsIsMutable();
+        dnsPeeringConfigs_.remove(index);
+        onChanged();
+      } else {
+        dnsPeeringConfigsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.DnsPeeringConfig.Builder getDnsPeeringConfigsBuilder(
+        int index) {
+      return internalGetDnsPeeringConfigsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.DnsPeeringConfigOrBuilder getDnsPeeringConfigsOrBuilder(
+        int index) {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        return dnsPeeringConfigs_.get(index);
+      } else {
+        return dnsPeeringConfigsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<? extends com.google.cloud.vertexai.api.DnsPeeringConfigOrBuilder>
+        getDnsPeeringConfigsOrBuilderList() {
+      if (dnsPeeringConfigsBuilder_ != null) {
+        return dnsPeeringConfigsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(dnsPeeringConfigs_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.DnsPeeringConfig.Builder addDnsPeeringConfigsBuilder() {
+      return internalGetDnsPeeringConfigsFieldBuilder()
+          .addBuilder(com.google.cloud.vertexai.api.DnsPeeringConfig.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.DnsPeeringConfig.Builder addDnsPeeringConfigsBuilder(
+        int index) {
+      return internalGetDnsPeeringConfigsFieldBuilder()
+          .addBuilder(index, com.google.cloud.vertexai.api.DnsPeeringConfig.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. DNS peering configurations. When specified, Vertex AI will
+     * attempt to configure DNS peering zones in the tenant project VPC
+     * to resolve the specified domains using the target network's Cloud DNS.
+     * The user must grant the dns.peer role to the Vertex AI Service Agent
+     * on the target project.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.DnsPeeringConfig.Builder>
+        getDnsPeeringConfigsBuilderList() {
+      return internalGetDnsPeeringConfigsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.DnsPeeringConfig,
+            com.google.cloud.vertexai.api.DnsPeeringConfig.Builder,
+            com.google.cloud.vertexai.api.DnsPeeringConfigOrBuilder>
+        internalGetDnsPeeringConfigsFieldBuilder() {
+      if (dnsPeeringConfigsBuilder_ == null) {
+        dnsPeeringConfigsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.DnsPeeringConfig,
+                com.google.cloud.vertexai.api.DnsPeeringConfig.Builder,
+                com.google.cloud.vertexai.api.DnsPeeringConfigOrBuilder>(
+                dnsPeeringConfigs_,
+                ((bitField0_ & 0x00000002) != 0),
+                getParentForChildren(),
+                isClean());
+        dnsPeeringConfigs_ = null;
+      }
+      return dnsPeeringConfigsBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.PscInterfaceConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.PscInterfaceConfig)
+  private static final com.google.cloud.vertexai.api.PscInterfaceConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.PscInterfaceConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.PscInterfaceConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<PscInterfaceConfig> PARSER =
+      new com.google.protobuf.AbstractParser<PscInterfaceConfig>() {
+        @java.lang.Override
+        public PscInterfaceConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<PscInterfaceConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<PscInterfaceConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.PscInterfaceConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PscInterfaceConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PscInterfaceConfigOrBuilder.java
new file mode 100644
index 000000000000..f8ddcc6c18d9
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PscInterfaceConfigOrBuilder.java
@@ -0,0 +1,156 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/service_networking.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface PscInterfaceConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.PscInterfaceConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The name of the Compute Engine
+   * [network
+   * attachment](https://cloud.google.com/vpc/docs/about-network-attachments) to
+   * attach to the resource within the region and user project.
+   * To specify this field, you must have already [created a network attachment]
+   * (https://cloud.google.com/vpc/docs/create-manage-network-attachments#create-network-attachments).
+   * This field is only used for resources using PSC-I.
+   * </pre>
+   *
+   * <code>
+   * string network_attachment = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The networkAttachment.
+   */
+  java.lang.String getNetworkAttachment();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The name of the Compute Engine
+   * [network
+   * attachment](https://cloud.google.com/vpc/docs/about-network-attachments) to
+   * attach to the resource within the region and user project.
+   * To specify this field, you must have already [created a network attachment]
+   * (https://cloud.google.com/vpc/docs/create-manage-network-attachments#create-network-attachments).
+   * This field is only used for resources using PSC-I.
+   * </pre>
+   *
+   * <code>
+   * string network_attachment = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for networkAttachment.
+   */
+  com.google.protobuf.ByteString getNetworkAttachmentBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. DNS peering configurations. When specified, Vertex AI will
+   * attempt to configure DNS peering zones in the tenant project VPC
+   * to resolve the specified domains using the target network's Cloud DNS.
+   * The user must grant the dns.peer role to the Vertex AI Service Agent
+   * on the target project.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  java.util.List<com.google.cloud.vertexai.api.DnsPeeringConfig> getDnsPeeringConfigsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. DNS peering configurations. When specified, Vertex AI will
+   * attempt to configure DNS peering zones in the tenant project VPC
+   * to resolve the specified domains using the target network's Cloud DNS.
+   * The user must grant the dns.peer role to the Vertex AI Service Agent
+   * on the target project.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.DnsPeeringConfig getDnsPeeringConfigs(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. DNS peering configurations. When specified, Vertex AI will
+   * attempt to configure DNS peering zones in the tenant project VPC
+   * to resolve the specified domains using the target network's Cloud DNS.
+   * The user must grant the dns.peer role to the Vertex AI Service Agent
+   * on the target project.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  int getDnsPeeringConfigsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. DNS peering configurations. When specified, Vertex AI will
+   * attempt to configure DNS peering zones in the tenant project VPC
+   * to resolve the specified domains using the target network's Cloud DNS.
+   * The user must grant the dns.peer role to the Vertex AI Service Agent
+   * on the target project.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.vertexai.api.DnsPeeringConfigOrBuilder>
+      getDnsPeeringConfigsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. DNS peering configurations. When specified, Vertex AI will
+   * attempt to configure DNS peering zones in the tenant project VPC
+   * to resolve the specified domains using the target network's Cloud DNS.
+   * The user must grant the dns.peer role to the Vertex AI Service Agent
+   * on the target project.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.DnsPeeringConfig dns_peering_configs = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.DnsPeeringConfigOrBuilder getDnsPeeringConfigsOrBuilder(int index);
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagChunk.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagChunk.java
new file mode 100644
index 000000000000..832c9bef06be
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagChunk.java
@@ -0,0 +1,1500 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * A RagChunk includes the content of a chunk of a RagFile, and associated
+ * metadata.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.RagChunk}
+ */
+@com.google.protobuf.Generated
+public final class RagChunk extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagChunk)
+    RagChunkOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "RagChunk");
+  }
+
+  // Use RagChunk.newBuilder() to construct.
+  private RagChunk(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private RagChunk() {
+    text_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagChunk_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagChunk_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.RagChunk.class,
+            com.google.cloud.vertexai.api.RagChunk.Builder.class);
+  }
+
+  public interface PageSpanOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagChunk.PageSpan)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Page where chunk starts in the document. Inclusive. 1-indexed.
+     * </pre>
+     *
+     * <code>int32 first_page = 1;</code>
+     *
+     * @return The firstPage.
+     */
+    int getFirstPage();
+
+    /**
+     *
+     *
+     * <pre>
+     * Page where chunk ends in the document. Inclusive. 1-indexed.
+     * </pre>
+     *
+     * <code>int32 last_page = 2;</code>
+     *
+     * @return The lastPage.
+     */
+    int getLastPage();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Represents where the chunk starts and ends in the document.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagChunk.PageSpan}
+   */
+  public static final class PageSpan extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagChunk.PageSpan)
+      PageSpanOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "PageSpan");
+    }
+
+    // Use PageSpan.newBuilder() to construct.
+    private PageSpan(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private PageSpan() {}
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagChunk_PageSpan_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagChunk_PageSpan_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagChunk.PageSpan.class,
+              com.google.cloud.vertexai.api.RagChunk.PageSpan.Builder.class);
+    }
+
+    public static final int FIRST_PAGE_FIELD_NUMBER = 1;
+    private int firstPage_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Page where chunk starts in the document. Inclusive. 1-indexed.
+     * </pre>
+     *
+     * <code>int32 first_page = 1;</code>
+     *
+     * @return The firstPage.
+     */
+    @java.lang.Override
+    public int getFirstPage() {
+      return firstPage_;
+    }
+
+    public static final int LAST_PAGE_FIELD_NUMBER = 2;
+    private int lastPage_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Page where chunk ends in the document. Inclusive. 1-indexed.
+     * </pre>
+     *
+     * <code>int32 last_page = 2;</code>
+     *
+     * @return The lastPage.
+     */
+    @java.lang.Override
+    public int getLastPage() {
+      return lastPage_;
+    }
+
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+     * <code>string text = 1;</code>
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+     *
+     * @return Whether the pageSpan field is set.
+     */
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+     */
+    public Builder setPageSpan(
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+    public Builder mergePageSpan(com.google.cloud.vertexai.api.RagChunk.PageSpan value) {
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+    /**
+     *
+     *
+     * <pre>
+     * If populated, represents where the chunk starts and ends in the document.
+     * </pre>
+     *
+     * <code>optional .google.cloud.vertexai.v1.RagChunk.PageSpan page_span = 2;</code>
+     */
+    public Builder clearPageSpan() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      pageSpan_ = null;
+      if (pageSpanBuilder_ != null) {
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+        pageSpanBuilder_ = null;
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+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * If populated, represents where the chunk starts and ends in the document.
+     * </pre>
+     *
+     * <code>optional .google.cloud.vertexai.v1.RagChunk.PageSpan page_span = 2;</code>
+     */
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+      bitField0_ |= 0x00000002;
+      onChanged();
+      return internalGetPageSpanFieldBuilder().getBuilder();
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+
+    /**
+     *
+     *
+     * <pre>
+     * If populated, represents where the chunk starts and ends in the document.
+     * </pre>
+     *
+     * <code>optional .google.cloud.vertexai.v1.RagChunk.PageSpan page_span = 2;</code>
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+      if (pageSpanBuilder_ != null) {
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+      } else {
+        return pageSpan_ == null
+            ? com.google.cloud.vertexai.api.RagChunk.PageSpan.getDefaultInstance()
+            : pageSpan_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * If populated, represents where the chunk starts and ends in the document.
+     * </pre>
+     *
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+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagChunk.PageSpan,
+            com.google.cloud.vertexai.api.RagChunk.PageSpan.Builder,
+            com.google.cloud.vertexai.api.RagChunk.PageSpanOrBuilder>
+        internalGetPageSpanFieldBuilder() {
+      if (pageSpanBuilder_ == null) {
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+
+  static {
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+
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+
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+      new com.google.protobuf.AbstractParser<RagChunk>() {
+        @java.lang.Override
+        public RagChunk parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
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+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
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+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<RagChunk> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<RagChunk> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagChunk getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagChunkOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagChunkOrBuilder.java
new file mode 100644
index 000000000000..807e6fa2bae4
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagChunkOrBuilder.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface RagChunkOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagChunk)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The content of the chunk.
+   * </pre>
+   *
+   * <code>string text = 1;</code>
+   *
+   * @return The text.
+   */
+  java.lang.String getText();
+
+  /**
+   *
+   *
+   * <pre>
+   * The content of the chunk.
+   * </pre>
+   *
+   * <code>string text = 1;</code>
+   *
+   * @return The bytes for text.
+   */
+  com.google.protobuf.ByteString getTextBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * If populated, represents where the chunk starts and ends in the document.
+   * </pre>
+   *
+   * <code>optional .google.cloud.vertexai.v1.RagChunk.PageSpan page_span = 2;</code>
+   *
+   * @return Whether the pageSpan field is set.
+   */
+  boolean hasPageSpan();
+
+  /**
+   *
+   *
+   * <pre>
+   * If populated, represents where the chunk starts and ends in the document.
+   * </pre>
+   *
+   * <code>optional .google.cloud.vertexai.v1.RagChunk.PageSpan page_span = 2;</code>
+   *
+   * @return The pageSpan.
+   */
+  com.google.cloud.vertexai.api.RagChunk.PageSpan getPageSpan();
+
+  /**
+   *
+   *
+   * <pre>
+   * If populated, represents where the chunk starts and ends in the document.
+   * </pre>
+   *
+   * <code>optional .google.cloud.vertexai.v1.RagChunk.PageSpan page_span = 2;</code>
+   */
+  com.google.cloud.vertexai.api.RagChunk.PageSpanOrBuilder getPageSpanOrBuilder();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagCorpus.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagCorpus.java
new file mode 100644
index 000000000000..d7bead94ac96
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagCorpus.java
@@ -0,0 +1,2998 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * A RagCorpus is a RagFile container and a project can have multiple
+ * RagCorpora.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.RagCorpus}
+ */
+@com.google.protobuf.Generated
+public final class RagCorpus extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagCorpus)
+    RagCorpusOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "RagCorpus");
+  }
+
+  // Use RagCorpus.newBuilder() to construct.
+  private RagCorpus(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private RagCorpus() {
+    name_ = "";
+    displayName_ = "";
+    description_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagCorpus_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagCorpus_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.RagCorpus.class,
+            com.google.cloud.vertexai.api.RagCorpus.Builder.class);
+  }
+
+  private int bitField0_;
+  private int backendConfigCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object backendConfig_;
+
+  public enum BackendConfigCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    VECTOR_DB_CONFIG(9),
+    VERTEX_AI_SEARCH_CONFIG(10),
+    BACKENDCONFIG_NOT_SET(0);
+    private final int value;
+
+    private BackendConfigCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static BackendConfigCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static BackendConfigCase forNumber(int value) {
+      switch (value) {
+        case 9:
+          return VECTOR_DB_CONFIG;
+        case 10:
+          return VERTEX_AI_SEARCH_CONFIG;
+        case 0:
+          return BACKENDCONFIG_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public BackendConfigCase getBackendConfigCase() {
+    return BackendConfigCase.forNumber(backendConfigCase_);
+  }
+
+  public static final int VECTOR_DB_CONFIG_FIELD_NUMBER = 9;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The config for the Vector DBs.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return Whether the vectorDbConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasVectorDbConfig() {
+    return backendConfigCase_ == 9;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The config for the Vector DBs.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The vectorDbConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagVectorDbConfig getVectorDbConfig() {
+    if (backendConfigCase_ == 9) {
+      return (com.google.cloud.vertexai.api.RagVectorDbConfig) backendConfig_;
+    }
+    return com.google.cloud.vertexai.api.RagVectorDbConfig.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The config for the Vector DBs.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagVectorDbConfigOrBuilder getVectorDbConfigOrBuilder() {
+    if (backendConfigCase_ == 9) {
+      return (com.google.cloud.vertexai.api.RagVectorDbConfig) backendConfig_;
+    }
+    return com.google.cloud.vertexai.api.RagVectorDbConfig.getDefaultInstance();
+  }
+
+  public static final int VERTEX_AI_SEARCH_CONFIG_FIELD_NUMBER = 10;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The config for the Vertex AI Search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return Whether the vertexAiSearchConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasVertexAiSearchConfig() {
+    return backendConfigCase_ == 10;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The config for the Vertex AI Search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The vertexAiSearchConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.VertexAiSearchConfig getVertexAiSearchConfig() {
+    if (backendConfigCase_ == 10) {
+      return (com.google.cloud.vertexai.api.VertexAiSearchConfig) backendConfig_;
+    }
+    return com.google.cloud.vertexai.api.VertexAiSearchConfig.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The config for the Vertex AI Search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.VertexAiSearchConfigOrBuilder
+      getVertexAiSearchConfigOrBuilder() {
+    if (backendConfigCase_ == 10) {
+      return (com.google.cloud.vertexai.api.VertexAiSearchConfig) backendConfig_;
+    }
+    return com.google.cloud.vertexai.api.VertexAiSearchConfig.getDefaultInstance();
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object name_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the RagCorpus.
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the RagCorpus.
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int DISPLAY_NAME_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object displayName_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The display name of the RagCorpus.
+   * The name can be up to 128 characters long and can consist of any UTF-8
+   * characters.
+   * </pre>
+   *
+   * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The displayName.
+   */
+  @java.lang.Override
+  public java.lang.String getDisplayName() {
+    java.lang.Object ref = displayName_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      displayName_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The display name of the RagCorpus.
+   * The name can be up to 128 characters long and can consist of any UTF-8
+   * characters.
+   * </pre>
+   *
+   * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for displayName.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getDisplayNameBytes() {
+    java.lang.Object ref = displayName_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      displayName_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int DESCRIPTION_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object description_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The description of the RagCorpus.
+   * </pre>
+   *
+   * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The description.
+   */
+  @java.lang.Override
+  public java.lang.String getDescription() {
+    java.lang.Object ref = description_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      description_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The description of the RagCorpus.
+   * </pre>
+   *
+   * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for description.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getDescriptionBytes() {
+    java.lang.Object ref = description_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      description_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int CREATE_TIME_FIELD_NUMBER = 4;
+  private com.google.protobuf.Timestamp createTime_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagCorpus was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the createTime field is set.
+   */
+  @java.lang.Override
+  public boolean hasCreateTime() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagCorpus was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The createTime.
+   */
+  @java.lang.Override
+  public com.google.protobuf.Timestamp getCreateTime() {
+    return createTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : createTime_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagCorpus was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
+    return createTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : createTime_;
+  }
+
+  public static final int UPDATE_TIME_FIELD_NUMBER = 5;
+  private com.google.protobuf.Timestamp updateTime_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagCorpus was last updated.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the updateTime field is set.
+   */
+  @java.lang.Override
+  public boolean hasUpdateTime() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagCorpus was last updated.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The updateTime.
+   */
+  @java.lang.Override
+  public com.google.protobuf.Timestamp getUpdateTime() {
+    return updateTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : updateTime_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagCorpus was last updated.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
+    return updateTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : updateTime_;
+  }
+
+  public static final int CORPUS_STATUS_FIELD_NUMBER = 8;
+  private com.google.cloud.vertexai.api.CorpusStatus corpusStatus_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. RagCorpus state.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the corpusStatus field is set.
+   */
+  @java.lang.Override
+  public boolean hasCorpusStatus() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. RagCorpus state.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The corpusStatus.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.CorpusStatus getCorpusStatus() {
+    return corpusStatus_ == null
+        ? com.google.cloud.vertexai.api.CorpusStatus.getDefaultInstance()
+        : corpusStatus_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. RagCorpus state.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.CorpusStatusOrBuilder getCorpusStatusOrBuilder() {
+    return corpusStatus_ == null
+        ? com.google.cloud.vertexai.api.CorpusStatus.getDefaultInstance()
+        : corpusStatus_;
+  }
+
+  public static final int ENCRYPTION_SPEC_FIELD_NUMBER = 12;
+  private com.google.cloud.vertexai.api.EncryptionSpec encryptionSpec_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+   * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+   * field can only be set at corpus creation time, and cannot be updated or
+   * deleted.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the encryptionSpec field is set.
+   */
+  @java.lang.Override
+  public boolean hasEncryptionSpec() {
+    return ((bitField0_ & 0x00000008) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+   * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+   * field can only be set at corpus creation time, and cannot be updated or
+   * deleted.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The encryptionSpec.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.EncryptionSpec getEncryptionSpec() {
+    return encryptionSpec_ == null
+        ? com.google.cloud.vertexai.api.EncryptionSpec.getDefaultInstance()
+        : encryptionSpec_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+   * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+   * field can only be set at corpus creation time, and cannot be updated or
+   * deleted.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.EncryptionSpecOrBuilder getEncryptionSpecOrBuilder() {
+    return encryptionSpec_ == null
+        ? com.google.cloud.vertexai.api.EncryptionSpec.getDefaultInstance()
+        : encryptionSpec_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(displayName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, displayName_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(description_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, description_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(4, getCreateTime());
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(5, getUpdateTime());
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      output.writeMessage(8, getCorpusStatus());
+    }
+    if (backendConfigCase_ == 9) {
+      output.writeMessage(9, (com.google.cloud.vertexai.api.RagVectorDbConfig) backendConfig_);
+    }
+    if (backendConfigCase_ == 10) {
+      output.writeMessage(10, (com.google.cloud.vertexai.api.VertexAiSearchConfig) backendConfig_);
+    }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      output.writeMessage(12, getEncryptionSpec());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, name_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(displayName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, displayName_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(description_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, description_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getCreateTime());
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(5, getUpdateTime());
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(8, getCorpusStatus());
+    }
+    if (backendConfigCase_ == 9) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              9, (com.google.cloud.vertexai.api.RagVectorDbConfig) backendConfig_);
+    }
+    if (backendConfigCase_ == 10) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              10, (com.google.cloud.vertexai.api.VertexAiSearchConfig) backendConfig_);
+    }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(12, getEncryptionSpec());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.RagCorpus)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.RagCorpus other = (com.google.cloud.vertexai.api.RagCorpus) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (!getDisplayName().equals(other.getDisplayName())) return false;
+    if (!getDescription().equals(other.getDescription())) return false;
+    if (hasCreateTime() != other.hasCreateTime()) return false;
+    if (hasCreateTime()) {
+      if (!getCreateTime().equals(other.getCreateTime())) return false;
+    }
+    if (hasUpdateTime() != other.hasUpdateTime()) return false;
+    if (hasUpdateTime()) {
+      if (!getUpdateTime().equals(other.getUpdateTime())) return false;
+    }
+    if (hasCorpusStatus() != other.hasCorpusStatus()) return false;
+    if (hasCorpusStatus()) {
+      if (!getCorpusStatus().equals(other.getCorpusStatus())) return false;
+    }
+    if (hasEncryptionSpec() != other.hasEncryptionSpec()) return false;
+    if (hasEncryptionSpec()) {
+      if (!getEncryptionSpec().equals(other.getEncryptionSpec())) return false;
+    }
+    if (!getBackendConfigCase().equals(other.getBackendConfigCase())) return false;
+    switch (backendConfigCase_) {
+      case 9:
+        if (!getVectorDbConfig().equals(other.getVectorDbConfig())) return false;
+        break;
+      case 10:
+        if (!getVertexAiSearchConfig().equals(other.getVertexAiSearchConfig())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getName().hashCode();
+    hash = (37 * hash) + DISPLAY_NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getDisplayName().hashCode();
+    hash = (37 * hash) + DESCRIPTION_FIELD_NUMBER;
+    hash = (53 * hash) + getDescription().hashCode();
+    if (hasCreateTime()) {
+      hash = (37 * hash) + CREATE_TIME_FIELD_NUMBER;
+      hash = (53 * hash) + getCreateTime().hashCode();
+    }
+    if (hasUpdateTime()) {
+      hash = (37 * hash) + UPDATE_TIME_FIELD_NUMBER;
+      hash = (53 * hash) + getUpdateTime().hashCode();
+    }
+    if (hasCorpusStatus()) {
+      hash = (37 * hash) + CORPUS_STATUS_FIELD_NUMBER;
+      hash = (53 * hash) + getCorpusStatus().hashCode();
+    }
+    if (hasEncryptionSpec()) {
+      hash = (37 * hash) + ENCRYPTION_SPEC_FIELD_NUMBER;
+      hash = (53 * hash) + getEncryptionSpec().hashCode();
+    }
+    switch (backendConfigCase_) {
+      case 9:
+        hash = (37 * hash) + VECTOR_DB_CONFIG_FIELD_NUMBER;
+        hash = (53 * hash) + getVectorDbConfig().hashCode();
+        break;
+      case 10:
+        hash = (37 * hash) + VERTEX_AI_SEARCH_CONFIG_FIELD_NUMBER;
+        hash = (53 * hash) + getVertexAiSearchConfig().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.RagCorpus parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagCorpus parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagCorpus parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagCorpus parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagCorpus parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagCorpus parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagCorpus parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagCorpus parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagCorpus parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagCorpus parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagCorpus parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagCorpus parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.RagCorpus prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * A RagCorpus is a RagFile container and a project can have multiple
+   * RagCorpora.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagCorpus}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagCorpus)
+      com.google.cloud.vertexai.api.RagCorpusOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagCorpus_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagCorpus_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagCorpus.class,
+              com.google.cloud.vertexai.api.RagCorpus.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.RagCorpus.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetCreateTimeFieldBuilder();
+        internalGetUpdateTimeFieldBuilder();
+        internalGetCorpusStatusFieldBuilder();
+        internalGetEncryptionSpecFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (vectorDbConfigBuilder_ != null) {
+        vectorDbConfigBuilder_.clear();
+      }
+      if (vertexAiSearchConfigBuilder_ != null) {
+        vertexAiSearchConfigBuilder_.clear();
+      }
+      name_ = "";
+      displayName_ = "";
+      description_ = "";
+      createTime_ = null;
+      if (createTimeBuilder_ != null) {
+        createTimeBuilder_.dispose();
+        createTimeBuilder_ = null;
+      }
+      updateTime_ = null;
+      if (updateTimeBuilder_ != null) {
+        updateTimeBuilder_.dispose();
+        updateTimeBuilder_ = null;
+      }
+      corpusStatus_ = null;
+      if (corpusStatusBuilder_ != null) {
+        corpusStatusBuilder_.dispose();
+        corpusStatusBuilder_ = null;
+      }
+      encryptionSpec_ = null;
+      if (encryptionSpecBuilder_ != null) {
+        encryptionSpecBuilder_.dispose();
+        encryptionSpecBuilder_ = null;
+      }
+      backendConfigCase_ = 0;
+      backendConfig_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagCorpus_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagCorpus getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.RagCorpus.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagCorpus build() {
+      com.google.cloud.vertexai.api.RagCorpus result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagCorpus buildPartial() {
+      com.google.cloud.vertexai.api.RagCorpus result =
+          new com.google.cloud.vertexai.api.RagCorpus(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.RagCorpus result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.name_ = name_;
+      }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
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+      }
+      if (((from_bitField0_ & 0x00000010) != 0)) {
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+      }
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000020) != 0)) {
+        result.createTime_ = createTimeBuilder_ == null ? createTime_ : createTimeBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      if (((from_bitField0_ & 0x00000040) != 0)) {
+        result.updateTime_ = updateTimeBuilder_ == null ? updateTime_ : updateTimeBuilder_.build();
+        to_bitField0_ |= 0x00000002;
+      }
+      if (((from_bitField0_ & 0x00000080) != 0)) {
+        result.corpusStatus_ =
+            corpusStatusBuilder_ == null ? corpusStatus_ : corpusStatusBuilder_.build();
+        to_bitField0_ |= 0x00000004;
+      }
+      if (((from_bitField0_ & 0x00000100) != 0)) {
+        result.encryptionSpec_ =
+            encryptionSpecBuilder_ == null ? encryptionSpec_ : encryptionSpecBuilder_.build();
+        to_bitField0_ |= 0x00000008;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.vertexai.api.RagCorpus result) {
+      result.backendConfigCase_ = backendConfigCase_;
+      result.backendConfig_ = this.backendConfig_;
+      if (backendConfigCase_ == 9 && vectorDbConfigBuilder_ != null) {
+        result.backendConfig_ = vectorDbConfigBuilder_.build();
+      }
+      if (backendConfigCase_ == 10 && vertexAiSearchConfigBuilder_ != null) {
+        result.backendConfig_ = vertexAiSearchConfigBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.RagCorpus) {
+        return mergeFrom((com.google.cloud.vertexai.api.RagCorpus) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.RagCorpus other) {
+      if (other == com.google.cloud.vertexai.api.RagCorpus.getDefaultInstance()) return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      if (!other.getDisplayName().isEmpty()) {
+        displayName_ = other.displayName_;
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
+      if (!other.getDescription().isEmpty()) {
+        description_ = other.description_;
+        bitField0_ |= 0x00000010;
+        onChanged();
+      }
+      if (other.hasCreateTime()) {
+        mergeCreateTime(other.getCreateTime());
+      }
+      if (other.hasUpdateTime()) {
+        mergeUpdateTime(other.getUpdateTime());
+      }
+      if (other.hasCorpusStatus()) {
+        mergeCorpusStatus(other.getCorpusStatus());
+      }
+      if (other.hasEncryptionSpec()) {
+        mergeEncryptionSpec(other.getEncryptionSpec());
+      }
+      switch (other.getBackendConfigCase()) {
+        case VECTOR_DB_CONFIG:
+          {
+            mergeVectorDbConfig(other.getVectorDbConfig());
+            break;
+          }
+        case VERTEX_AI_SEARCH_CONFIG:
+          {
+            mergeVertexAiSearchConfig(other.getVertexAiSearchConfig());
+            break;
+          }
+        case BACKENDCONFIG_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                name_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 10
+            case 18:
+              {
+                displayName_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 18
+            case 26:
+              {
+                description_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000010;
+                break;
+              } // case 26
+            case 34:
+              {
+                input.readMessage(
+                    internalGetCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000020;
+                break;
+              } // case 34
+            case 42:
+              {
+                input.readMessage(
+                    internalGetUpdateTimeFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000040;
+                break;
+              } // case 42
+            case 66:
+              {
+                input.readMessage(
+                    internalGetCorpusStatusFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000080;
+                break;
+              } // case 66
+            case 74:
+              {
+                input.readMessage(
+                    internalGetVectorDbConfigFieldBuilder().getBuilder(), extensionRegistry);
+                backendConfigCase_ = 9;
+                break;
+              } // case 74
+            case 82:
+              {
+                input.readMessage(
+                    internalGetVertexAiSearchConfigFieldBuilder().getBuilder(), extensionRegistry);
+                backendConfigCase_ = 10;
+                break;
+              } // case 82
+            case 98:
+              {
+                input.readMessage(
+                    internalGetEncryptionSpecFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000100;
+                break;
+              } // case 98
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int backendConfigCase_ = 0;
+    private java.lang.Object backendConfig_;
+
+    public BackendConfigCase getBackendConfigCase() {
+      return BackendConfigCase.forNumber(backendConfigCase_);
+    }
+
+    public Builder clearBackendConfig() {
+      backendConfigCase_ = 0;
+      backendConfig_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagVectorDbConfig,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.Builder,
+            com.google.cloud.vertexai.api.RagVectorDbConfigOrBuilder>
+        vectorDbConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vector DBs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return Whether the vectorDbConfig field is set.
+     */
+    @java.lang.Override
+    public boolean hasVectorDbConfig() {
+      return backendConfigCase_ == 9;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vector DBs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return The vectorDbConfig.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig getVectorDbConfig() {
+      if (vectorDbConfigBuilder_ == null) {
+        if (backendConfigCase_ == 9) {
+          return (com.google.cloud.vertexai.api.RagVectorDbConfig) backendConfig_;
+        }
+        return com.google.cloud.vertexai.api.RagVectorDbConfig.getDefaultInstance();
+      } else {
+        if (backendConfigCase_ == 9) {
+          return vectorDbConfigBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.RagVectorDbConfig.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vector DBs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder setVectorDbConfig(com.google.cloud.vertexai.api.RagVectorDbConfig value) {
+      if (vectorDbConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        backendConfig_ = value;
+        onChanged();
+      } else {
+        vectorDbConfigBuilder_.setMessage(value);
+      }
+      backendConfigCase_ = 9;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vector DBs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder setVectorDbConfig(
+        com.google.cloud.vertexai.api.RagVectorDbConfig.Builder builderForValue) {
+      if (vectorDbConfigBuilder_ == null) {
+        backendConfig_ = builderForValue.build();
+        onChanged();
+      } else {
+        vectorDbConfigBuilder_.setMessage(builderForValue.build());
+      }
+      backendConfigCase_ = 9;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vector DBs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder mergeVectorDbConfig(com.google.cloud.vertexai.api.RagVectorDbConfig value) {
+      if (vectorDbConfigBuilder_ == null) {
+        if (backendConfigCase_ == 9
+            && backendConfig_
+                != com.google.cloud.vertexai.api.RagVectorDbConfig.getDefaultInstance()) {
+          backendConfig_ =
+              com.google.cloud.vertexai.api.RagVectorDbConfig.newBuilder(
+                      (com.google.cloud.vertexai.api.RagVectorDbConfig) backendConfig_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          backendConfig_ = value;
+        }
+        onChanged();
+      } else {
+        if (backendConfigCase_ == 9) {
+          vectorDbConfigBuilder_.mergeFrom(value);
+        } else {
+          vectorDbConfigBuilder_.setMessage(value);
+        }
+      }
+      backendConfigCase_ = 9;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vector DBs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder clearVectorDbConfig() {
+      if (vectorDbConfigBuilder_ == null) {
+        if (backendConfigCase_ == 9) {
+          backendConfigCase_ = 0;
+          backendConfig_ = null;
+          onChanged();
+        }
+      } else {
+        if (backendConfigCase_ == 9) {
+          backendConfigCase_ = 0;
+          backendConfig_ = null;
+        }
+        vectorDbConfigBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vector DBs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.Builder getVectorDbConfigBuilder() {
+      return internalGetVectorDbConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vector DBs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfigOrBuilder getVectorDbConfigOrBuilder() {
+      if ((backendConfigCase_ == 9) && (vectorDbConfigBuilder_ != null)) {
+        return vectorDbConfigBuilder_.getMessageOrBuilder();
+      } else {
+        if (backendConfigCase_ == 9) {
+          return (com.google.cloud.vertexai.api.RagVectorDbConfig) backendConfig_;
+        }
+        return com.google.cloud.vertexai.api.RagVectorDbConfig.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vector DBs.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagVectorDbConfig,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.Builder,
+            com.google.cloud.vertexai.api.RagVectorDbConfigOrBuilder>
+        internalGetVectorDbConfigFieldBuilder() {
+      if (vectorDbConfigBuilder_ == null) {
+        if (!(backendConfigCase_ == 9)) {
+          backendConfig_ = com.google.cloud.vertexai.api.RagVectorDbConfig.getDefaultInstance();
+        }
+        vectorDbConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagVectorDbConfig,
+                com.google.cloud.vertexai.api.RagVectorDbConfig.Builder,
+                com.google.cloud.vertexai.api.RagVectorDbConfigOrBuilder>(
+                (com.google.cloud.vertexai.api.RagVectorDbConfig) backendConfig_,
+                getParentForChildren(),
+                isClean());
+        backendConfig_ = null;
+      }
+      backendConfigCase_ = 9;
+      onChanged();
+      return vectorDbConfigBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.VertexAiSearchConfig,
+            com.google.cloud.vertexai.api.VertexAiSearchConfig.Builder,
+            com.google.cloud.vertexai.api.VertexAiSearchConfigOrBuilder>
+        vertexAiSearchConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vertex AI Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return Whether the vertexAiSearchConfig field is set.
+     */
+    @java.lang.Override
+    public boolean hasVertexAiSearchConfig() {
+      return backendConfigCase_ == 10;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vertex AI Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return The vertexAiSearchConfig.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.VertexAiSearchConfig getVertexAiSearchConfig() {
+      if (vertexAiSearchConfigBuilder_ == null) {
+        if (backendConfigCase_ == 10) {
+          return (com.google.cloud.vertexai.api.VertexAiSearchConfig) backendConfig_;
+        }
+        return com.google.cloud.vertexai.api.VertexAiSearchConfig.getDefaultInstance();
+      } else {
+        if (backendConfigCase_ == 10) {
+          return vertexAiSearchConfigBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.VertexAiSearchConfig.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vertex AI Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder setVertexAiSearchConfig(
+        com.google.cloud.vertexai.api.VertexAiSearchConfig value) {
+      if (vertexAiSearchConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        backendConfig_ = value;
+        onChanged();
+      } else {
+        vertexAiSearchConfigBuilder_.setMessage(value);
+      }
+      backendConfigCase_ = 10;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vertex AI Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder setVertexAiSearchConfig(
+        com.google.cloud.vertexai.api.VertexAiSearchConfig.Builder builderForValue) {
+      if (vertexAiSearchConfigBuilder_ == null) {
+        backendConfig_ = builderForValue.build();
+        onChanged();
+      } else {
+        vertexAiSearchConfigBuilder_.setMessage(builderForValue.build());
+      }
+      backendConfigCase_ = 10;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vertex AI Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder mergeVertexAiSearchConfig(
+        com.google.cloud.vertexai.api.VertexAiSearchConfig value) {
+      if (vertexAiSearchConfigBuilder_ == null) {
+        if (backendConfigCase_ == 10
+            && backendConfig_
+                != com.google.cloud.vertexai.api.VertexAiSearchConfig.getDefaultInstance()) {
+          backendConfig_ =
+              com.google.cloud.vertexai.api.VertexAiSearchConfig.newBuilder(
+                      (com.google.cloud.vertexai.api.VertexAiSearchConfig) backendConfig_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          backendConfig_ = value;
+        }
+        onChanged();
+      } else {
+        if (backendConfigCase_ == 10) {
+          vertexAiSearchConfigBuilder_.mergeFrom(value);
+        } else {
+          vertexAiSearchConfigBuilder_.setMessage(value);
+        }
+      }
+      backendConfigCase_ = 10;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vertex AI Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder clearVertexAiSearchConfig() {
+      if (vertexAiSearchConfigBuilder_ == null) {
+        if (backendConfigCase_ == 10) {
+          backendConfigCase_ = 0;
+          backendConfig_ = null;
+          onChanged();
+        }
+      } else {
+        if (backendConfigCase_ == 10) {
+          backendConfigCase_ = 0;
+          backendConfig_ = null;
+        }
+        vertexAiSearchConfigBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vertex AI Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.VertexAiSearchConfig.Builder
+        getVertexAiSearchConfigBuilder() {
+      return internalGetVertexAiSearchConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vertex AI Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.VertexAiSearchConfigOrBuilder
+        getVertexAiSearchConfigOrBuilder() {
+      if ((backendConfigCase_ == 10) && (vertexAiSearchConfigBuilder_ != null)) {
+        return vertexAiSearchConfigBuilder_.getMessageOrBuilder();
+      } else {
+        if (backendConfigCase_ == 10) {
+          return (com.google.cloud.vertexai.api.VertexAiSearchConfig) backendConfig_;
+        }
+        return com.google.cloud.vertexai.api.VertexAiSearchConfig.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The config for the Vertex AI Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.VertexAiSearchConfig,
+            com.google.cloud.vertexai.api.VertexAiSearchConfig.Builder,
+            com.google.cloud.vertexai.api.VertexAiSearchConfigOrBuilder>
+        internalGetVertexAiSearchConfigFieldBuilder() {
+      if (vertexAiSearchConfigBuilder_ == null) {
+        if (!(backendConfigCase_ == 10)) {
+          backendConfig_ = com.google.cloud.vertexai.api.VertexAiSearchConfig.getDefaultInstance();
+        }
+        vertexAiSearchConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.VertexAiSearchConfig,
+                com.google.cloud.vertexai.api.VertexAiSearchConfig.Builder,
+                com.google.cloud.vertexai.api.VertexAiSearchConfigOrBuilder>(
+                (com.google.cloud.vertexai.api.VertexAiSearchConfig) backendConfig_,
+                getParentForChildren(),
+                isClean());
+        backendConfig_ = null;
+      }
+      backendConfigCase_ = 10;
+      onChanged();
+      return vertexAiSearchConfigBuilder_;
+    }
+
+    private java.lang.Object name_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the RagCorpus.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the RagCorpus.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the RagCorpus.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      name_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the RagCorpus.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+      name_ = getDefaultInstance().getName();
+      bitField0_ = (bitField0_ & ~0x00000004);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the RagCorpus.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      name_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object displayName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The display name of the RagCorpus.
+     * The name can be up to 128 characters long and can consist of any UTF-8
+     * characters.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The displayName.
+     */
+    public java.lang.String getDisplayName() {
+      java.lang.Object ref = displayName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        displayName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The display name of the RagCorpus.
+     * The name can be up to 128 characters long and can consist of any UTF-8
+     * characters.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for displayName.
+     */
+    public com.google.protobuf.ByteString getDisplayNameBytes() {
+      java.lang.Object ref = displayName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        displayName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The display name of the RagCorpus.
+     * The name can be up to 128 characters long and can consist of any UTF-8
+     * characters.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      displayName_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The display name of the RagCorpus.
+     * The name can be up to 128 characters long and can consist of any UTF-8
+     * characters.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDisplayName() {
+      displayName_ = getDefaultInstance().getDisplayName();
+      bitField0_ = (bitField0_ & ~0x00000008);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The display name of the RagCorpus.
+     * The name can be up to 128 characters long and can consist of any UTF-8
+     * characters.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The bytes for displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      displayName_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object description_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The description of the RagCorpus.
+     * </pre>
+     *
+     * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The description.
+     */
+    public java.lang.String getDescription() {
+      java.lang.Object ref = description_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        description_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The description of the RagCorpus.
+     * </pre>
+     *
+     * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for description.
+     */
+    public com.google.protobuf.ByteString getDescriptionBytes() {
+      java.lang.Object ref = description_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        description_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The description of the RagCorpus.
+     * </pre>
+     *
+     * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The description to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDescription(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      description_ = value;
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The description of the RagCorpus.
+     * </pre>
+     *
+     * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDescription() {
+      description_ = getDefaultInstance().getDescription();
+      bitField0_ = (bitField0_ & ~0x00000010);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The description of the RagCorpus.
+     * </pre>
+     *
+     * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for description to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDescriptionBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      description_ = value;
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    private com.google.protobuf.Timestamp createTime_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        createTimeBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the createTime field is set.
+     */
+    public boolean hasCreateTime() {
+      return ((bitField0_ & 0x00000020) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The createTime.
+     */
+    public com.google.protobuf.Timestamp getCreateTime() {
+      if (createTimeBuilder_ == null) {
+        return createTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : createTime_;
+      } else {
+        return createTimeBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCreateTime(com.google.protobuf.Timestamp value) {
+      if (createTimeBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        createTime_ = value;
+      } else {
+        createTimeBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCreateTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+      if (createTimeBuilder_ == null) {
+        createTime_ = builderForValue.build();
+      } else {
+        createTimeBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeCreateTime(com.google.protobuf.Timestamp value) {
+      if (createTimeBuilder_ == null) {
+        if (((bitField0_ & 0x00000020) != 0)
+            && createTime_ != null
+            && createTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
+          getCreateTimeBuilder().mergeFrom(value);
+        } else {
+          createTime_ = value;
+        }
+      } else {
+        createTimeBuilder_.mergeFrom(value);
+      }
+      if (createTime_ != null) {
+        bitField0_ |= 0x00000020;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearCreateTime() {
+      bitField0_ = (bitField0_ & ~0x00000020);
+      createTime_ = null;
+      if (createTimeBuilder_ != null) {
+        createTimeBuilder_.dispose();
+        createTimeBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return internalGetCreateTimeFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
+      if (createTimeBuilder_ != null) {
+        return createTimeBuilder_.getMessageOrBuilder();
+      } else {
+        return createTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : createTime_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        internalGetCreateTimeFieldBuilder() {
+      if (createTimeBuilder_ == null) {
+        createTimeBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.Timestamp,
+                com.google.protobuf.Timestamp.Builder,
+                com.google.protobuf.TimestampOrBuilder>(
+                getCreateTime(), getParentForChildren(), isClean());
+        createTime_ = null;
+      }
+      return createTimeBuilder_;
+    }
+
+    private com.google.protobuf.Timestamp updateTime_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        updateTimeBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the updateTime field is set.
+     */
+    public boolean hasUpdateTime() {
+      return ((bitField0_ & 0x00000040) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The updateTime.
+     */
+    public com.google.protobuf.Timestamp getUpdateTime() {
+      if (updateTimeBuilder_ == null) {
+        return updateTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : updateTime_;
+      } else {
+        return updateTimeBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setUpdateTime(com.google.protobuf.Timestamp value) {
+      if (updateTimeBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        updateTime_ = value;
+      } else {
+        updateTimeBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000040;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setUpdateTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+      if (updateTimeBuilder_ == null) {
+        updateTime_ = builderForValue.build();
+      } else {
+        updateTimeBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000040;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeUpdateTime(com.google.protobuf.Timestamp value) {
+      if (updateTimeBuilder_ == null) {
+        if (((bitField0_ & 0x00000040) != 0)
+            && updateTime_ != null
+            && updateTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
+          getUpdateTimeBuilder().mergeFrom(value);
+        } else {
+          updateTime_ = value;
+        }
+      } else {
+        updateTimeBuilder_.mergeFrom(value);
+      }
+      if (updateTime_ != null) {
+        bitField0_ |= 0x00000040;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearUpdateTime() {
+      bitField0_ = (bitField0_ & ~0x00000040);
+      updateTime_ = null;
+      if (updateTimeBuilder_ != null) {
+        updateTimeBuilder_.dispose();
+        updateTimeBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.Timestamp.Builder getUpdateTimeBuilder() {
+      bitField0_ |= 0x00000040;
+      onChanged();
+      return internalGetUpdateTimeFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
+      if (updateTimeBuilder_ != null) {
+        return updateTimeBuilder_.getMessageOrBuilder();
+      } else {
+        return updateTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : updateTime_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagCorpus was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        internalGetUpdateTimeFieldBuilder() {
+      if (updateTimeBuilder_ == null) {
+        updateTimeBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.Timestamp,
+                com.google.protobuf.Timestamp.Builder,
+                com.google.protobuf.TimestampOrBuilder>(
+                getUpdateTime(), getParentForChildren(), isClean());
+        updateTime_ = null;
+      }
+      return updateTimeBuilder_;
+    }
+
+    private com.google.cloud.vertexai.api.CorpusStatus corpusStatus_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.CorpusStatus,
+            com.google.cloud.vertexai.api.CorpusStatus.Builder,
+            com.google.cloud.vertexai.api.CorpusStatusOrBuilder>
+        corpusStatusBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagCorpus state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the corpusStatus field is set.
+     */
+    public boolean hasCorpusStatus() {
+      return ((bitField0_ & 0x00000080) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagCorpus state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The corpusStatus.
+     */
+    public com.google.cloud.vertexai.api.CorpusStatus getCorpusStatus() {
+      if (corpusStatusBuilder_ == null) {
+        return corpusStatus_ == null
+            ? com.google.cloud.vertexai.api.CorpusStatus.getDefaultInstance()
+            : corpusStatus_;
+      } else {
+        return corpusStatusBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagCorpus state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCorpusStatus(com.google.cloud.vertexai.api.CorpusStatus value) {
+      if (corpusStatusBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        corpusStatus_ = value;
+      } else {
+        corpusStatusBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000080;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagCorpus state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCorpusStatus(
+        com.google.cloud.vertexai.api.CorpusStatus.Builder builderForValue) {
+      if (corpusStatusBuilder_ == null) {
+        corpusStatus_ = builderForValue.build();
+      } else {
+        corpusStatusBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000080;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagCorpus state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeCorpusStatus(com.google.cloud.vertexai.api.CorpusStatus value) {
+      if (corpusStatusBuilder_ == null) {
+        if (((bitField0_ & 0x00000080) != 0)
+            && corpusStatus_ != null
+            && corpusStatus_ != com.google.cloud.vertexai.api.CorpusStatus.getDefaultInstance()) {
+          getCorpusStatusBuilder().mergeFrom(value);
+        } else {
+          corpusStatus_ = value;
+        }
+      } else {
+        corpusStatusBuilder_.mergeFrom(value);
+      }
+      if (corpusStatus_ != null) {
+        bitField0_ |= 0x00000080;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagCorpus state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearCorpusStatus() {
+      bitField0_ = (bitField0_ & ~0x00000080);
+      corpusStatus_ = null;
+      if (corpusStatusBuilder_ != null) {
+        corpusStatusBuilder_.dispose();
+        corpusStatusBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagCorpus state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.CorpusStatus.Builder getCorpusStatusBuilder() {
+      bitField0_ |= 0x00000080;
+      onChanged();
+      return internalGetCorpusStatusFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagCorpus state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.CorpusStatusOrBuilder getCorpusStatusOrBuilder() {
+      if (corpusStatusBuilder_ != null) {
+        return corpusStatusBuilder_.getMessageOrBuilder();
+      } else {
+        return corpusStatus_ == null
+            ? com.google.cloud.vertexai.api.CorpusStatus.getDefaultInstance()
+            : corpusStatus_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. RagCorpus state.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.CorpusStatus,
+            com.google.cloud.vertexai.api.CorpusStatus.Builder,
+            com.google.cloud.vertexai.api.CorpusStatusOrBuilder>
+        internalGetCorpusStatusFieldBuilder() {
+      if (corpusStatusBuilder_ == null) {
+        corpusStatusBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.CorpusStatus,
+                com.google.cloud.vertexai.api.CorpusStatus.Builder,
+                com.google.cloud.vertexai.api.CorpusStatusOrBuilder>(
+                getCorpusStatus(), getParentForChildren(), isClean());
+        corpusStatus_ = null;
+      }
+      return corpusStatusBuilder_;
+    }
+
+    private com.google.cloud.vertexai.api.EncryptionSpec encryptionSpec_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.EncryptionSpec,
+            com.google.cloud.vertexai.api.EncryptionSpec.Builder,
+            com.google.cloud.vertexai.api.EncryptionSpecOrBuilder>
+        encryptionSpecBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+     * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+     * field can only be set at corpus creation time, and cannot be updated or
+     * deleted.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the encryptionSpec field is set.
+     */
+    public boolean hasEncryptionSpec() {
+      return ((bitField0_ & 0x00000100) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+     * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+     * field can only be set at corpus creation time, and cannot be updated or
+     * deleted.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The encryptionSpec.
+     */
+    public com.google.cloud.vertexai.api.EncryptionSpec getEncryptionSpec() {
+      if (encryptionSpecBuilder_ == null) {
+        return encryptionSpec_ == null
+            ? com.google.cloud.vertexai.api.EncryptionSpec.getDefaultInstance()
+            : encryptionSpec_;
+      } else {
+        return encryptionSpecBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+     * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+     * field can only be set at corpus creation time, and cannot be updated or
+     * deleted.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setEncryptionSpec(com.google.cloud.vertexai.api.EncryptionSpec value) {
+      if (encryptionSpecBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        encryptionSpec_ = value;
+      } else {
+        encryptionSpecBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+     * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+     * field can only be set at corpus creation time, and cannot be updated or
+     * deleted.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setEncryptionSpec(
+        com.google.cloud.vertexai.api.EncryptionSpec.Builder builderForValue) {
+      if (encryptionSpecBuilder_ == null) {
+        encryptionSpec_ = builderForValue.build();
+      } else {
+        encryptionSpecBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+     * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+     * field can only be set at corpus creation time, and cannot be updated or
+     * deleted.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeEncryptionSpec(com.google.cloud.vertexai.api.EncryptionSpec value) {
+      if (encryptionSpecBuilder_ == null) {
+        if (((bitField0_ & 0x00000100) != 0)
+            && encryptionSpec_ != null
+            && encryptionSpec_
+                != com.google.cloud.vertexai.api.EncryptionSpec.getDefaultInstance()) {
+          getEncryptionSpecBuilder().mergeFrom(value);
+        } else {
+          encryptionSpec_ = value;
+        }
+      } else {
+        encryptionSpecBuilder_.mergeFrom(value);
+      }
+      if (encryptionSpec_ != null) {
+        bitField0_ |= 0x00000100;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+     * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+     * field can only be set at corpus creation time, and cannot be updated or
+     * deleted.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearEncryptionSpec() {
+      bitField0_ = (bitField0_ & ~0x00000100);
+      encryptionSpec_ = null;
+      if (encryptionSpecBuilder_ != null) {
+        encryptionSpecBuilder_.dispose();
+        encryptionSpecBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+     * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+     * field can only be set at corpus creation time, and cannot be updated or
+     * deleted.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.EncryptionSpec.Builder getEncryptionSpecBuilder() {
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return internalGetEncryptionSpecFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+     * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+     * field can only be set at corpus creation time, and cannot be updated or
+     * deleted.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.EncryptionSpecOrBuilder getEncryptionSpecOrBuilder() {
+      if (encryptionSpecBuilder_ != null) {
+        return encryptionSpecBuilder_.getMessageOrBuilder();
+      } else {
+        return encryptionSpec_ == null
+            ? com.google.cloud.vertexai.api.EncryptionSpec.getDefaultInstance()
+            : encryptionSpec_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+     * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+     * field can only be set at corpus creation time, and cannot be updated or
+     * deleted.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.EncryptionSpec,
+            com.google.cloud.vertexai.api.EncryptionSpec.Builder,
+            com.google.cloud.vertexai.api.EncryptionSpecOrBuilder>
+        internalGetEncryptionSpecFieldBuilder() {
+      if (encryptionSpecBuilder_ == null) {
+        encryptionSpecBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.EncryptionSpec,
+                com.google.cloud.vertexai.api.EncryptionSpec.Builder,
+                com.google.cloud.vertexai.api.EncryptionSpecOrBuilder>(
+                getEncryptionSpec(), getParentForChildren(), isClean());
+        encryptionSpec_ = null;
+      }
+      return encryptionSpecBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagCorpus)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagCorpus)
+  private static final com.google.cloud.vertexai.api.RagCorpus DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagCorpus();
+  }
+
+  public static com.google.cloud.vertexai.api.RagCorpus getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<RagCorpus> PARSER =
+      new com.google.protobuf.AbstractParser<RagCorpus>() {
+        @java.lang.Override
+        public RagCorpus parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<RagCorpus> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<RagCorpus> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagCorpus getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagCorpusOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagCorpusOrBuilder.java
new file mode 100644
index 000000000000..8fd9776bafad
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagCorpusOrBuilder.java
@@ -0,0 +1,373 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface RagCorpusOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagCorpus)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The config for the Vector DBs.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return Whether the vectorDbConfig field is set.
+   */
+  boolean hasVectorDbConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The config for the Vector DBs.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The vectorDbConfig.
+   */
+  com.google.cloud.vertexai.api.RagVectorDbConfig getVectorDbConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The config for the Vector DBs.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagVectorDbConfig vector_db_config = 9 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.RagVectorDbConfigOrBuilder getVectorDbConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The config for the Vertex AI Search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return Whether the vertexAiSearchConfig field is set.
+   */
+  boolean hasVertexAiSearchConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The config for the Vertex AI Search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The vertexAiSearchConfig.
+   */
+  com.google.cloud.vertexai.api.VertexAiSearchConfig getVertexAiSearchConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The config for the Vertex AI Search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.VertexAiSearchConfig vertex_ai_search_config = 10 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.VertexAiSearchConfigOrBuilder getVertexAiSearchConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the RagCorpus.
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the RagCorpus.
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The display name of the RagCorpus.
+   * The name can be up to 128 characters long and can consist of any UTF-8
+   * characters.
+   * </pre>
+   *
+   * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The displayName.
+   */
+  java.lang.String getDisplayName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The display name of the RagCorpus.
+   * The name can be up to 128 characters long and can consist of any UTF-8
+   * characters.
+   * </pre>
+   *
+   * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for displayName.
+   */
+  com.google.protobuf.ByteString getDisplayNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The description of the RagCorpus.
+   * </pre>
+   *
+   * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The description.
+   */
+  java.lang.String getDescription();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The description of the RagCorpus.
+   * </pre>
+   *
+   * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for description.
+   */
+  com.google.protobuf.ByteString getDescriptionBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagCorpus was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the createTime field is set.
+   */
+  boolean hasCreateTime();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagCorpus was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The createTime.
+   */
+  com.google.protobuf.Timestamp getCreateTime();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagCorpus was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagCorpus was last updated.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the updateTime field is set.
+   */
+  boolean hasUpdateTime();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagCorpus was last updated.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The updateTime.
+   */
+  com.google.protobuf.Timestamp getUpdateTime();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagCorpus was last updated.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp update_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. RagCorpus state.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the corpusStatus field is set.
+   */
+  boolean hasCorpusStatus();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. RagCorpus state.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The corpusStatus.
+   */
+  com.google.cloud.vertexai.api.CorpusStatus getCorpusStatus();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. RagCorpus state.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.CorpusStatus corpus_status = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.CorpusStatusOrBuilder getCorpusStatusOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+   * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+   * field can only be set at corpus creation time, and cannot be updated or
+   * deleted.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the encryptionSpec field is set.
+   */
+  boolean hasEncryptionSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+   * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+   * field can only be set at corpus creation time, and cannot be updated or
+   * deleted.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The encryptionSpec.
+   */
+  com.google.cloud.vertexai.api.EncryptionSpec getEncryptionSpec();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+   * to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+   * field can only be set at corpus creation time, and cannot be updated or
+   * deleted.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EncryptionSpec encryption_spec = 12 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.EncryptionSpecOrBuilder getEncryptionSpecOrBuilder();
+
+  com.google.cloud.vertexai.api.RagCorpus.BackendConfigCase getBackendConfigCase();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagEmbeddingModelConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagEmbeddingModelConfig.java
new file mode 100644
index 000000000000..5c29b71dbfe0
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagEmbeddingModelConfig.java
@@ -0,0 +1,2079 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Config for the embedding model to use for RAG.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.RagEmbeddingModelConfig}
+ */
+@com.google.protobuf.Generated
+public final class RagEmbeddingModelConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagEmbeddingModelConfig)
+    RagEmbeddingModelConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "RagEmbeddingModelConfig");
+  }
+
+  // Use RagEmbeddingModelConfig.newBuilder() to construct.
+  private RagEmbeddingModelConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private RagEmbeddingModelConfig() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagEmbeddingModelConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagEmbeddingModelConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfig.class,
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfig.Builder.class);
+  }
+
+  public interface VertexPredictionEndpointOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The endpoint resource name.
+     * Format:
+     * `projects/{project}/locations/{location}/publishers/{publisher}/models/{model}`
+     * or
+     * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+     * </pre>
+     *
+     * <code>
+     * string endpoint = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The endpoint.
+     */
+    java.lang.String getEndpoint();
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The endpoint resource name.
+     * Format:
+     * `projects/{project}/locations/{location}/publishers/{publisher}/models/{model}`
+     * or
+     * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+     * </pre>
+     *
+     * <code>
+     * string endpoint = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for endpoint.
+     */
+    com.google.protobuf.ByteString getEndpointBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the model that is deployed on the
+     * endpoint. Present only when the endpoint is not a publisher model.
+     * Pattern:
+     * `projects/{project}/locations/{location}/models/{model}`
+     * </pre>
+     *
+     * <code>
+     * string model = 2 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The model.
+     */
+    java.lang.String getModel();
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the model that is deployed on the
+     * endpoint. Present only when the endpoint is not a publisher model.
+     * Pattern:
+     * `projects/{project}/locations/{location}/models/{model}`
+     * </pre>
+     *
+     * <code>
+     * string model = 2 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for model.
+     */
+    com.google.protobuf.ByteString getModelBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Version ID of the model that is deployed on the endpoint.
+     * Present only when the endpoint is not a publisher model.
+     * </pre>
+     *
+     * <code>string model_version_id = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The modelVersionId.
+     */
+    java.lang.String getModelVersionId();
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Version ID of the model that is deployed on the endpoint.
+     * Present only when the endpoint is not a publisher model.
+     * </pre>
+     *
+     * <code>string model_version_id = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for modelVersionId.
+     */
+    com.google.protobuf.ByteString getModelVersionIdBytes();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Config representing a model hosted on Vertex Prediction Endpoint.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint}
+   */
+  public static final class VertexPredictionEndpoint extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint)
+      VertexPredictionEndpointOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "VertexPredictionEndpoint");
+    }
+
+    // Use VertexPredictionEndpoint.newBuilder() to construct.
+    private VertexPredictionEndpoint(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private VertexPredictionEndpoint() {
+      endpoint_ = "";
+      model_ = "";
+      modelVersionId_ = "";
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagEmbeddingModelConfig_VertexPredictionEndpoint_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagEmbeddingModelConfig_VertexPredictionEndpoint_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint.class,
+              com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint.Builder
+                  .class);
+    }
+
+    public static final int ENDPOINT_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object endpoint_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The endpoint resource name.
+     * Format:
+     * `projects/{project}/locations/{location}/publishers/{publisher}/models/{model}`
+     * or
+     * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+     * </pre>
+     *
+     * <code>
+     * string endpoint = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The endpoint.
+     */
+    @java.lang.Override
+    public java.lang.String getEndpoint() {
+      java.lang.Object ref = endpoint_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        endpoint_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The endpoint resource name.
+     * Format:
+     * `projects/{project}/locations/{location}/publishers/{publisher}/models/{model}`
+     * or
+     * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+     * </pre>
+     *
+     * <code>
+     * string endpoint = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for endpoint.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getEndpointBytes() {
+      java.lang.Object ref = endpoint_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        endpoint_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int MODEL_FIELD_NUMBER = 2;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object model_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the model that is deployed on the
+     * endpoint. Present only when the endpoint is not a publisher model.
+     * Pattern:
+     * `projects/{project}/locations/{location}/models/{model}`
+     * </pre>
+     *
+     * <code>
+     * string model = 2 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The model.
+     */
+    @java.lang.Override
+    public java.lang.String getModel() {
+      java.lang.Object ref = model_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        model_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the model that is deployed on the
+     * endpoint. Present only when the endpoint is not a publisher model.
+     * Pattern:
+     * `projects/{project}/locations/{location}/models/{model}`
+     * </pre>
+     *
+     * <code>
+     * string model = 2 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for model.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getModelBytes() {
+      java.lang.Object ref = model_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        model_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int MODEL_VERSION_ID_FIELD_NUMBER = 3;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object modelVersionId_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Version ID of the model that is deployed on the endpoint.
+     * Present only when the endpoint is not a publisher model.
+     * </pre>
+     *
+     * <code>string model_version_id = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The modelVersionId.
+     */
+    @java.lang.Override
+    public java.lang.String getModelVersionId() {
+      java.lang.Object ref = modelVersionId_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        modelVersionId_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Version ID of the model that is deployed on the endpoint.
+     * Present only when the endpoint is not a publisher model.
+     * </pre>
+     *
+     * <code>string model_version_id = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for modelVersionId.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getModelVersionIdBytes() {
+      java.lang.Object ref = modelVersionId_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        modelVersionId_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(model_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 2, model_);
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modelVersionId_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 3, modelVersionId_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(model_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(2, model_);
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modelVersionId_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(3, modelVersionId_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj
+          instanceof
+          com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint other =
+          (com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint) obj;
+
+      if (!getEndpoint().equals(other.getEndpoint())) return false;
+      if (!getModel().equals(other.getModel())) return false;
+      if (!getModelVersionId().equals(other.getModelVersionId())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + ENDPOINT_FIELD_NUMBER;
+      hash = (53 * hash) + getEndpoint().hashCode();
+      hash = (37 * hash) + MODEL_FIELD_NUMBER;
+      hash = (53 * hash) + getModel().hashCode();
+      hash = (37 * hash) + MODEL_VERSION_ID_FIELD_NUMBER;
+      hash = (53 * hash) + getModelVersionId().hashCode();
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        parseFrom(java.nio.ByteBuffer data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        parseFrom(
+            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        parseFrom(com.google.protobuf.ByteString data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        parseFrom(
+            com.google.protobuf.ByteString data,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        parseFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        parseFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        parseFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Config representing a model hosted on Vertex Prediction Endpoint.
+     * </pre>
+     *
+     * Protobuf type {@code
+     * google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint)
+        com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpointOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagEmbeddingModelConfig_VertexPredictionEndpoint_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagEmbeddingModelConfig_VertexPredictionEndpoint_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+                    .class,
+                com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+                    .Builder.class);
+      }
+
+      // Construct using
+      // com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        endpoint_ = "";
+        model_ = "";
+        modelVersionId_ = "";
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagEmbeddingModelConfig_VertexPredictionEndpoint_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+          getDefaultInstanceForType() {
+        return com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+          build() {
+        com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint result =
+            buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+          buildPartial() {
+        com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint result =
+            new com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint(
+                this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.endpoint_ = endpoint_;
+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.model_ = model_;
+        }
+        if (((from_bitField0_ & 0x00000004) != 0)) {
+          result.modelVersionId_ = modelVersionId_;
+        }
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other
+            instanceof
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint) {
+          return mergeFrom(
+              (com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint)
+                  other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint other) {
+        if (other
+            == com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+                .getDefaultInstance()) return this;
+        if (!other.getEndpoint().isEmpty()) {
+          endpoint_ = other.endpoint_;
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        if (!other.getModel().isEmpty()) {
+          model_ = other.model_;
+          bitField0_ |= 0x00000002;
+          onChanged();
+        }
+        if (!other.getModelVersionId().isEmpty()) {
+          modelVersionId_ = other.modelVersionId_;
+          bitField0_ |= 0x00000004;
+          onChanged();
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  endpoint_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 10
+              case 18:
+                {
+                  model_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 18
+              case 26:
+                {
+                  modelVersionId_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000004;
+                  break;
+                } // case 26
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.lang.Object endpoint_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The endpoint resource name.
+       * Format:
+       * `projects/{project}/locations/{location}/publishers/{publisher}/models/{model}`
+       * or
+       * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+       * </pre>
+       *
+       * <code>
+       * string endpoint = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return The endpoint.
+       */
+      public java.lang.String getEndpoint() {
+        java.lang.Object ref = endpoint_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          endpoint_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The endpoint resource name.
+       * Format:
+       * `projects/{project}/locations/{location}/publishers/{publisher}/models/{model}`
+       * or
+       * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+       * </pre>
+       *
+       * <code>
+       * string endpoint = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return The bytes for endpoint.
+       */
+      public com.google.protobuf.ByteString getEndpointBytes() {
+        java.lang.Object ref = endpoint_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          endpoint_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The endpoint resource name.
+       * Format:
+       * `projects/{project}/locations/{location}/publishers/{publisher}/models/{model}`
+       * or
+       * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+       * </pre>
+       *
+       * <code>
+       * string endpoint = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @param value The endpoint to set.
+       * @return This builder for chaining.
+       */
+      public Builder setEndpoint(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        endpoint_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The endpoint resource name.
+       * Format:
+       * `projects/{project}/locations/{location}/publishers/{publisher}/models/{model}`
+       * or
+       * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+       * </pre>
+       *
+       * <code>
+       * string endpoint = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearEndpoint() {
+        endpoint_ = getDefaultInstance().getEndpoint();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The endpoint resource name.
+       * Format:
+       * `projects/{project}/locations/{location}/publishers/{publisher}/models/{model}`
+       * or
+       * `projects/{project}/locations/{location}/endpoints/{endpoint}`
+       * </pre>
+       *
+       * <code>
+       * string endpoint = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @param value The bytes for endpoint to set.
+       * @return This builder for chaining.
+       */
+      public Builder setEndpointBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        endpoint_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object model_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The resource name of the model that is deployed on the
+       * endpoint. Present only when the endpoint is not a publisher model.
+       * Pattern:
+       * `projects/{project}/locations/{location}/models/{model}`
+       * </pre>
+       *
+       * <code>
+       * string model = 2 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return The model.
+       */
+      public java.lang.String getModel() {
+        java.lang.Object ref = model_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          model_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The resource name of the model that is deployed on the
+       * endpoint. Present only when the endpoint is not a publisher model.
+       * Pattern:
+       * `projects/{project}/locations/{location}/models/{model}`
+       * </pre>
+       *
+       * <code>
+       * string model = 2 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return The bytes for model.
+       */
+      public com.google.protobuf.ByteString getModelBytes() {
+        java.lang.Object ref = model_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          model_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The resource name of the model that is deployed on the
+       * endpoint. Present only when the endpoint is not a publisher model.
+       * Pattern:
+       * `projects/{project}/locations/{location}/models/{model}`
+       * </pre>
+       *
+       * <code>
+       * string model = 2 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @param value The model to set.
+       * @return This builder for chaining.
+       */
+      public Builder setModel(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        model_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The resource name of the model that is deployed on the
+       * endpoint. Present only when the endpoint is not a publisher model.
+       * Pattern:
+       * `projects/{project}/locations/{location}/models/{model}`
+       * </pre>
+       *
+       * <code>
+       * string model = 2 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearModel() {
+        model_ = getDefaultInstance().getModel();
+        bitField0_ = (bitField0_ & ~0x00000002);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. The resource name of the model that is deployed on the
+       * endpoint. Present only when the endpoint is not a publisher model.
+       * Pattern:
+       * `projects/{project}/locations/{location}/models/{model}`
+       * </pre>
+       *
+       * <code>
+       * string model = 2 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
+       * </code>
+       *
+       * @param value The bytes for model to set.
+       * @return This builder for chaining.
+       */
+      public Builder setModelBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        model_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object modelVersionId_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. Version ID of the model that is deployed on the endpoint.
+       * Present only when the endpoint is not a publisher model.
+       * </pre>
+       *
+       * <code>string model_version_id = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+       *
+       * @return The modelVersionId.
+       */
+      public java.lang.String getModelVersionId() {
+        java.lang.Object ref = modelVersionId_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          modelVersionId_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. Version ID of the model that is deployed on the endpoint.
+       * Present only when the endpoint is not a publisher model.
+       * </pre>
+       *
+       * <code>string model_version_id = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+       *
+       * @return The bytes for modelVersionId.
+       */
+      public com.google.protobuf.ByteString getModelVersionIdBytes() {
+        java.lang.Object ref = modelVersionId_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          modelVersionId_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. Version ID of the model that is deployed on the endpoint.
+       * Present only when the endpoint is not a publisher model.
+       * </pre>
+       *
+       * <code>string model_version_id = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+       *
+       * @param value The modelVersionId to set.
+       * @return This builder for chaining.
+       */
+      public Builder setModelVersionId(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        modelVersionId_ = value;
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. Version ID of the model that is deployed on the endpoint.
+       * Present only when the endpoint is not a publisher model.
+       * </pre>
+       *
+       * <code>string model_version_id = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearModelVersionId() {
+        modelVersionId_ = getDefaultInstance().getModelVersionId();
+        bitField0_ = (bitField0_ & ~0x00000004);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Output only. Version ID of the model that is deployed on the endpoint.
+       * Present only when the endpoint is not a publisher model.
+       * </pre>
+       *
+       * <code>string model_version_id = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+       *
+       * @param value The bytes for modelVersionId to set.
+       * @return This builder for chaining.
+       */
+      public Builder setModelVersionIdBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        modelVersionId_ = value;
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint)
+    private static final com.google.cloud.vertexai.api.RagEmbeddingModelConfig
+            .VertexPredictionEndpoint
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE =
+          new com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint();
+    }
+
+    public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<VertexPredictionEndpoint> PARSER =
+        new com.google.protobuf.AbstractParser<VertexPredictionEndpoint>() {
+          @java.lang.Override
+          public VertexPredictionEndpoint parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<VertexPredictionEndpoint> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<VertexPredictionEndpoint> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  private int modelConfigCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object modelConfig_;
+
+  public enum ModelConfigCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    VERTEX_PREDICTION_ENDPOINT(1),
+    MODELCONFIG_NOT_SET(0);
+    private final int value;
+
+    private ModelConfigCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static ModelConfigCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static ModelConfigCase forNumber(int value) {
+      switch (value) {
+        case 1:
+          return VERTEX_PREDICTION_ENDPOINT;
+        case 0:
+          return MODELCONFIG_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public ModelConfigCase getModelConfigCase() {
+    return ModelConfigCase.forNumber(modelConfigCase_);
+  }
+
+  public static final int VERTEX_PREDICTION_ENDPOINT_FIELD_NUMBER = 1;
+
+  /**
+   *
+   *
+   * <pre>
+   * The Vertex AI Prediction Endpoint that either refers to a publisher model
+   * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+   * Endpoints hosting non-1P fine-tuned text embedding models are
+   * currently not supported.
+   * This is used for dense vector search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+   * </code>
+   *
+   * @return Whether the vertexPredictionEndpoint field is set.
+   */
+  @java.lang.Override
+  public boolean hasVertexPredictionEndpoint() {
+    return modelConfigCase_ == 1;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The Vertex AI Prediction Endpoint that either refers to a publisher model
+   * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+   * Endpoints hosting non-1P fine-tuned text embedding models are
+   * currently not supported.
+   * This is used for dense vector search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+   * </code>
+   *
+   * @return The vertexPredictionEndpoint.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+      getVertexPredictionEndpoint() {
+    if (modelConfigCase_ == 1) {
+      return (com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint)
+          modelConfig_;
+    }
+    return com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        .getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The Vertex AI Prediction Endpoint that either refers to a publisher model
+   * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+   * Endpoints hosting non-1P fine-tuned text embedding models are
+   * currently not supported.
+   * This is used for dense vector search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpointOrBuilder
+      getVertexPredictionEndpointOrBuilder() {
+    if (modelConfigCase_ == 1) {
+      return (com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint)
+          modelConfig_;
+    }
+    return com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        .getDefaultInstance();
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (modelConfigCase_ == 1) {
+      output.writeMessage(
+          1,
+          (com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint)
+              modelConfig_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (modelConfigCase_ == 1) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              1,
+              (com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint)
+                  modelConfig_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.RagEmbeddingModelConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.RagEmbeddingModelConfig other =
+        (com.google.cloud.vertexai.api.RagEmbeddingModelConfig) obj;
+
+    if (!getModelConfigCase().equals(other.getModelConfigCase())) return false;
+    switch (modelConfigCase_) {
+      case 1:
+        if (!getVertexPredictionEndpoint().equals(other.getVertexPredictionEndpoint()))
+          return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (modelConfigCase_) {
+      case 1:
+        hash = (37 * hash) + VERTEX_PREDICTION_ENDPOINT_FIELD_NUMBER;
+        hash = (53 * hash) + getVertexPredictionEndpoint().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.vertexai.api.RagEmbeddingModelConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Config for the embedding model to use for RAG.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagEmbeddingModelConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagEmbeddingModelConfig)
+      com.google.cloud.vertexai.api.RagEmbeddingModelConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagEmbeddingModelConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagEmbeddingModelConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagEmbeddingModelConfig.class,
+              com.google.cloud.vertexai.api.RagEmbeddingModelConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.RagEmbeddingModelConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (vertexPredictionEndpointBuilder_ != null) {
+        vertexPredictionEndpointBuilder_.clear();
+      }
+      modelConfigCase_ = 0;
+      modelConfig_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagEmbeddingModelConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagEmbeddingModelConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.RagEmbeddingModelConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagEmbeddingModelConfig build() {
+      com.google.cloud.vertexai.api.RagEmbeddingModelConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagEmbeddingModelConfig buildPartial() {
+      com.google.cloud.vertexai.api.RagEmbeddingModelConfig result =
+          new com.google.cloud.vertexai.api.RagEmbeddingModelConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.RagEmbeddingModelConfig result) {
+      int from_bitField0_ = bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.vertexai.api.RagEmbeddingModelConfig result) {
+      result.modelConfigCase_ = modelConfigCase_;
+      result.modelConfig_ = this.modelConfig_;
+      if (modelConfigCase_ == 1 && vertexPredictionEndpointBuilder_ != null) {
+        result.modelConfig_ = vertexPredictionEndpointBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.RagEmbeddingModelConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.RagEmbeddingModelConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.RagEmbeddingModelConfig other) {
+      if (other == com.google.cloud.vertexai.api.RagEmbeddingModelConfig.getDefaultInstance())
+        return this;
+      switch (other.getModelConfigCase()) {
+        case VERTEX_PREDICTION_ENDPOINT:
+          {
+            mergeVertexPredictionEndpoint(other.getVertexPredictionEndpoint());
+            break;
+          }
+        case MODELCONFIG_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(
+                    internalGetVertexPredictionEndpointFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                modelConfigCase_ = 1;
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int modelConfigCase_ = 0;
+    private java.lang.Object modelConfig_;
+
+    public ModelConfigCase getModelConfigCase() {
+      return ModelConfigCase.forNumber(modelConfigCase_);
+    }
+
+    public Builder clearModelConfig() {
+      modelConfigCase_ = 0;
+      modelConfig_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint,
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint.Builder,
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpointOrBuilder>
+        vertexPredictionEndpointBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The Vertex AI Prediction Endpoint that either refers to a publisher model
+     * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+     * Endpoints hosting non-1P fine-tuned text embedding models are
+     * currently not supported.
+     * This is used for dense vector search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+     * </code>
+     *
+     * @return Whether the vertexPredictionEndpoint field is set.
+     */
+    @java.lang.Override
+    public boolean hasVertexPredictionEndpoint() {
+      return modelConfigCase_ == 1;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Vertex AI Prediction Endpoint that either refers to a publisher model
+     * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+     * Endpoints hosting non-1P fine-tuned text embedding models are
+     * currently not supported.
+     * This is used for dense vector search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+     * </code>
+     *
+     * @return The vertexPredictionEndpoint.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+        getVertexPredictionEndpoint() {
+      if (vertexPredictionEndpointBuilder_ == null) {
+        if (modelConfigCase_ == 1) {
+          return (com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint)
+              modelConfig_;
+        }
+        return com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+            .getDefaultInstance();
+      } else {
+        if (modelConfigCase_ == 1) {
+          return vertexPredictionEndpointBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+            .getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Vertex AI Prediction Endpoint that either refers to a publisher model
+     * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+     * Endpoints hosting non-1P fine-tuned text embedding models are
+     * currently not supported.
+     * This is used for dense vector search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+     * </code>
+     */
+    public Builder setVertexPredictionEndpoint(
+        com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint value) {
+      if (vertexPredictionEndpointBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        modelConfig_ = value;
+        onChanged();
+      } else {
+        vertexPredictionEndpointBuilder_.setMessage(value);
+      }
+      modelConfigCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Vertex AI Prediction Endpoint that either refers to a publisher model
+     * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+     * Endpoints hosting non-1P fine-tuned text embedding models are
+     * currently not supported.
+     * This is used for dense vector search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+     * </code>
+     */
+    public Builder setVertexPredictionEndpoint(
+        com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint.Builder
+            builderForValue) {
+      if (vertexPredictionEndpointBuilder_ == null) {
+        modelConfig_ = builderForValue.build();
+        onChanged();
+      } else {
+        vertexPredictionEndpointBuilder_.setMessage(builderForValue.build());
+      }
+      modelConfigCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Vertex AI Prediction Endpoint that either refers to a publisher model
+     * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+     * Endpoints hosting non-1P fine-tuned text embedding models are
+     * currently not supported.
+     * This is used for dense vector search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+     * </code>
+     */
+    public Builder mergeVertexPredictionEndpoint(
+        com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint value) {
+      if (vertexPredictionEndpointBuilder_ == null) {
+        if (modelConfigCase_ == 1
+            && modelConfig_
+                != com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+                    .getDefaultInstance()) {
+          modelConfig_ =
+              com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+                  .newBuilder(
+                      (com.google.cloud.vertexai.api.RagEmbeddingModelConfig
+                              .VertexPredictionEndpoint)
+                          modelConfig_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          modelConfig_ = value;
+        }
+        onChanged();
+      } else {
+        if (modelConfigCase_ == 1) {
+          vertexPredictionEndpointBuilder_.mergeFrom(value);
+        } else {
+          vertexPredictionEndpointBuilder_.setMessage(value);
+        }
+      }
+      modelConfigCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Vertex AI Prediction Endpoint that either refers to a publisher model
+     * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+     * Endpoints hosting non-1P fine-tuned text embedding models are
+     * currently not supported.
+     * This is used for dense vector search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+     * </code>
+     */
+    public Builder clearVertexPredictionEndpoint() {
+      if (vertexPredictionEndpointBuilder_ == null) {
+        if (modelConfigCase_ == 1) {
+          modelConfigCase_ = 0;
+          modelConfig_ = null;
+          onChanged();
+        }
+      } else {
+        if (modelConfigCase_ == 1) {
+          modelConfigCase_ = 0;
+          modelConfig_ = null;
+        }
+        vertexPredictionEndpointBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Vertex AI Prediction Endpoint that either refers to a publisher model
+     * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+     * Endpoints hosting non-1P fine-tuned text embedding models are
+     * currently not supported.
+     * This is used for dense vector search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint.Builder
+        getVertexPredictionEndpointBuilder() {
+      return internalGetVertexPredictionEndpointFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Vertex AI Prediction Endpoint that either refers to a publisher model
+     * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+     * Endpoints hosting non-1P fine-tuned text embedding models are
+     * currently not supported.
+     * This is used for dense vector search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpointOrBuilder
+        getVertexPredictionEndpointOrBuilder() {
+      if ((modelConfigCase_ == 1) && (vertexPredictionEndpointBuilder_ != null)) {
+        return vertexPredictionEndpointBuilder_.getMessageOrBuilder();
+      } else {
+        if (modelConfigCase_ == 1) {
+          return (com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint)
+              modelConfig_;
+        }
+        return com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+            .getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Vertex AI Prediction Endpoint that either refers to a publisher model
+     * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+     * Endpoints hosting non-1P fine-tuned text embedding models are
+     * currently not supported.
+     * This is used for dense vector search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint,
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint.Builder,
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpointOrBuilder>
+        internalGetVertexPredictionEndpointFieldBuilder() {
+      if (vertexPredictionEndpointBuilder_ == null) {
+        if (!(modelConfigCase_ == 1)) {
+          modelConfig_ =
+              com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+                  .getDefaultInstance();
+        }
+        vertexPredictionEndpointBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint,
+                com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+                    .Builder,
+                com.google.cloud.vertexai.api.RagEmbeddingModelConfig
+                    .VertexPredictionEndpointOrBuilder>(
+                (com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint)
+                    modelConfig_,
+                getParentForChildren(),
+                isClean());
+        modelConfig_ = null;
+      }
+      modelConfigCase_ = 1;
+      onChanged();
+      return vertexPredictionEndpointBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagEmbeddingModelConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagEmbeddingModelConfig)
+  private static final com.google.cloud.vertexai.api.RagEmbeddingModelConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagEmbeddingModelConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.RagEmbeddingModelConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<RagEmbeddingModelConfig> PARSER =
+      new com.google.protobuf.AbstractParser<RagEmbeddingModelConfig>() {
+        @java.lang.Override
+        public RagEmbeddingModelConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<RagEmbeddingModelConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<RagEmbeddingModelConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagEmbeddingModelConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagEmbeddingModelConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagEmbeddingModelConfigOrBuilder.java
new file mode 100644
index 000000000000..c67c61646972
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagEmbeddingModelConfigOrBuilder.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface RagEmbeddingModelConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagEmbeddingModelConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The Vertex AI Prediction Endpoint that either refers to a publisher model
+   * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+   * Endpoints hosting non-1P fine-tuned text embedding models are
+   * currently not supported.
+   * This is used for dense vector search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+   * </code>
+   *
+   * @return Whether the vertexPredictionEndpoint field is set.
+   */
+  boolean hasVertexPredictionEndpoint();
+
+  /**
+   *
+   *
+   * <pre>
+   * The Vertex AI Prediction Endpoint that either refers to a publisher model
+   * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+   * Endpoints hosting non-1P fine-tuned text embedding models are
+   * currently not supported.
+   * This is used for dense vector search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+   * </code>
+   *
+   * @return The vertexPredictionEndpoint.
+   */
+  com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpoint
+      getVertexPredictionEndpoint();
+
+  /**
+   *
+   *
+   * <pre>
+   * The Vertex AI Prediction Endpoint that either refers to a publisher model
+   * or an endpoint that is hosting a 1P fine-tuned text embedding model.
+   * Endpoints hosting non-1P fine-tuned text embedding models are
+   * currently not supported.
+   * This is used for dense vector search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagEmbeddingModelConfig.VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+   * </code>
+   */
+  com.google.cloud.vertexai.api.RagEmbeddingModelConfig.VertexPredictionEndpointOrBuilder
+      getVertexPredictionEndpointOrBuilder();
+
+  com.google.cloud.vertexai.api.RagEmbeddingModelConfig.ModelConfigCase getModelConfigCase();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagEngineConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagEngineConfig.java
new file mode 100644
index 000000000000..0a220b5e190d
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagEngineConfig.java
@@ -0,0 +1,908 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Config for RagEngine.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.RagEngineConfig}
+ */
+@com.google.protobuf.Generated
+public final class RagEngineConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagEngineConfig)
+    RagEngineConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "RagEngineConfig");
+  }
+
+  // Use RagEngineConfig.newBuilder() to construct.
+  private RagEngineConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private RagEngineConfig() {
+    name_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagEngineConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagEngineConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.RagEngineConfig.class,
+            com.google.cloud.vertexai.api.RagEngineConfig.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object name_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. The name of the RagEngineConfig.
+   * Format:
+   * `projects/{project}/locations/{location}/ragEngineConfig`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. The name of the RagEngineConfig.
+   * Format:
+   * `projects/{project}/locations/{location}/ragEngineConfig`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int RAG_MANAGED_DB_CONFIG_FIELD_NUMBER = 2;
+  private com.google.cloud.vertexai.api.RagManagedDbConfig ragManagedDbConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * The config of the RagManagedDb used by RagEngine.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+   *
+   * @return Whether the ragManagedDbConfig field is set.
+   */
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+  public boolean hasRagManagedDbConfig() {
+    return ((bitField0_ & 0x00000001) != 0);
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+
+  /**
+   *
+   *
+   * <pre>
+   * The config of the RagManagedDb used by RagEngine.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+   *
+   * @return The ragManagedDbConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagManagedDbConfig getRagManagedDbConfig() {
+    return ragManagedDbConfig_ == null
+        ? com.google.cloud.vertexai.api.RagManagedDbConfig.getDefaultInstance()
+        : ragManagedDbConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The config of the RagManagedDb used by RagEngine.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagManagedDbConfigOrBuilder
+      getRagManagedDbConfigOrBuilder() {
+    return ragManagedDbConfig_ == null
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+        : ragManagedDbConfig_;
+  }
+
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+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
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+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(2, getRagManagedDbConfig());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
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+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getRagManagedDbConfig());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.RagEngineConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.RagEngineConfig other =
+        (com.google.cloud.vertexai.api.RagEngineConfig) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (hasRagManagedDbConfig() != other.hasRagManagedDbConfig()) return false;
+    if (hasRagManagedDbConfig()) {
+      if (!getRagManagedDbConfig().equals(other.getRagManagedDbConfig())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getName().hashCode();
+    if (hasRagManagedDbConfig()) {
+      hash = (37 * hash) + RAG_MANAGED_DB_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getRagManagedDbConfig().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.RagEngineConfig parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEngineConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEngineConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEngineConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEngineConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEngineConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEngineConfig parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEngineConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEngineConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEngineConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEngineConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagEngineConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.RagEngineConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Config for RagEngine.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagEngineConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagEngineConfig)
+      com.google.cloud.vertexai.api.RagEngineConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagEngineConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagEngineConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagEngineConfig.class,
+              com.google.cloud.vertexai.api.RagEngineConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.RagEngineConfig.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetRagManagedDbConfigFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      name_ = "";
+      ragManagedDbConfig_ = null;
+      if (ragManagedDbConfigBuilder_ != null) {
+        ragManagedDbConfigBuilder_.dispose();
+        ragManagedDbConfigBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagEngineConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagEngineConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.RagEngineConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagEngineConfig build() {
+      com.google.cloud.vertexai.api.RagEngineConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagEngineConfig buildPartial() {
+      com.google.cloud.vertexai.api.RagEngineConfig result =
+          new com.google.cloud.vertexai.api.RagEngineConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.RagEngineConfig result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.name_ = name_;
+      }
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.ragManagedDbConfig_ =
+            ragManagedDbConfigBuilder_ == null
+                ? ragManagedDbConfig_
+                : ragManagedDbConfigBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.RagEngineConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.RagEngineConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.RagEngineConfig other) {
+      if (other == com.google.cloud.vertexai.api.RagEngineConfig.getDefaultInstance()) return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      if (other.hasRagManagedDbConfig()) {
+        mergeRagManagedDbConfig(other.getRagManagedDbConfig());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                name_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                input.readMessage(
+                    internalGetRagManagedDbConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object name_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. The name of the RagEngineConfig.
+     * Format:
+     * `projects/{project}/locations/{location}/ragEngineConfig`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. The name of the RagEngineConfig.
+     * Format:
+     * `projects/{project}/locations/{location}/ragEngineConfig`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. The name of the RagEngineConfig.
+     * Format:
+     * `projects/{project}/locations/{location}/ragEngineConfig`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. The name of the RagEngineConfig.
+     * Format:
+     * `projects/{project}/locations/{location}/ragEngineConfig`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+      name_ = getDefaultInstance().getName();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Identifier. The name of the RagEngineConfig.
+     * Format:
+     * `projects/{project}/locations/{location}/ragEngineConfig`
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private com.google.cloud.vertexai.api.RagManagedDbConfig ragManagedDbConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagManagedDbConfig,
+            com.google.cloud.vertexai.api.RagManagedDbConfig.Builder,
+            com.google.cloud.vertexai.api.RagManagedDbConfigOrBuilder>
+        ragManagedDbConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The config of the RagManagedDb used by RagEngine.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+     *
+     * @return Whether the ragManagedDbConfig field is set.
+     */
+    public boolean hasRagManagedDbConfig() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config of the RagManagedDb used by RagEngine.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+     *
+     * @return The ragManagedDbConfig.
+     */
+    public com.google.cloud.vertexai.api.RagManagedDbConfig getRagManagedDbConfig() {
+      if (ragManagedDbConfigBuilder_ == null) {
+        return ragManagedDbConfig_ == null
+            ? com.google.cloud.vertexai.api.RagManagedDbConfig.getDefaultInstance()
+            : ragManagedDbConfig_;
+      } else {
+        return ragManagedDbConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config of the RagManagedDb used by RagEngine.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+     */
+    public Builder setRagManagedDbConfig(com.google.cloud.vertexai.api.RagManagedDbConfig value) {
+      if (ragManagedDbConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ragManagedDbConfig_ = value;
+      } else {
+        ragManagedDbConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config of the RagManagedDb used by RagEngine.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+     */
+    public Builder setRagManagedDbConfig(
+        com.google.cloud.vertexai.api.RagManagedDbConfig.Builder builderForValue) {
+      if (ragManagedDbConfigBuilder_ == null) {
+        ragManagedDbConfig_ = builderForValue.build();
+      } else {
+        ragManagedDbConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config of the RagManagedDb used by RagEngine.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+     */
+    public Builder mergeRagManagedDbConfig(com.google.cloud.vertexai.api.RagManagedDbConfig value) {
+      if (ragManagedDbConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000002) != 0)
+            && ragManagedDbConfig_ != null
+            && ragManagedDbConfig_
+                != com.google.cloud.vertexai.api.RagManagedDbConfig.getDefaultInstance()) {
+          getRagManagedDbConfigBuilder().mergeFrom(value);
+        } else {
+          ragManagedDbConfig_ = value;
+        }
+      } else {
+        ragManagedDbConfigBuilder_.mergeFrom(value);
+      }
+      if (ragManagedDbConfig_ != null) {
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config of the RagManagedDb used by RagEngine.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+     */
+    public Builder clearRagManagedDbConfig() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      ragManagedDbConfig_ = null;
+      if (ragManagedDbConfigBuilder_ != null) {
+        ragManagedDbConfigBuilder_.dispose();
+        ragManagedDbConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config of the RagManagedDb used by RagEngine.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+     */
+    public com.google.cloud.vertexai.api.RagManagedDbConfig.Builder getRagManagedDbConfigBuilder() {
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return internalGetRagManagedDbConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config of the RagManagedDb used by RagEngine.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+     */
+    public com.google.cloud.vertexai.api.RagManagedDbConfigOrBuilder
+        getRagManagedDbConfigOrBuilder() {
+      if (ragManagedDbConfigBuilder_ != null) {
+        return ragManagedDbConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return ragManagedDbConfig_ == null
+            ? com.google.cloud.vertexai.api.RagManagedDbConfig.getDefaultInstance()
+            : ragManagedDbConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config of the RagManagedDb used by RagEngine.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagManagedDbConfig,
+            com.google.cloud.vertexai.api.RagManagedDbConfig.Builder,
+            com.google.cloud.vertexai.api.RagManagedDbConfigOrBuilder>
+        internalGetRagManagedDbConfigFieldBuilder() {
+      if (ragManagedDbConfigBuilder_ == null) {
+        ragManagedDbConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagManagedDbConfig,
+                com.google.cloud.vertexai.api.RagManagedDbConfig.Builder,
+                com.google.cloud.vertexai.api.RagManagedDbConfigOrBuilder>(
+                getRagManagedDbConfig(), getParentForChildren(), isClean());
+        ragManagedDbConfig_ = null;
+      }
+      return ragManagedDbConfigBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagEngineConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagEngineConfig)
+  private static final com.google.cloud.vertexai.api.RagEngineConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagEngineConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.RagEngineConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<RagEngineConfig> PARSER =
+      new com.google.protobuf.AbstractParser<RagEngineConfig>() {
+        @java.lang.Override
+        public RagEngineConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<RagEngineConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<RagEngineConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagEngineConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagEngineConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagEngineConfigOrBuilder.java
new file mode 100644
index 000000000000..1a624b6dfb38
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagEngineConfigOrBuilder.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface RagEngineConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagEngineConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. The name of the RagEngineConfig.
+   * Format:
+   * `projects/{project}/locations/{location}/ragEngineConfig`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Identifier. The name of the RagEngineConfig.
+   * Format:
+   * `projects/{project}/locations/{location}/ragEngineConfig`
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = IDENTIFIER];</code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * The config of the RagManagedDb used by RagEngine.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+   *
+   * @return Whether the ragManagedDbConfig field is set.
+   */
+  boolean hasRagManagedDbConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * The config of the RagManagedDb used by RagEngine.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+   *
+   * @return The ragManagedDbConfig.
+   */
+  com.google.cloud.vertexai.api.RagManagedDbConfig getRagManagedDbConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * The config of the RagManagedDb used by RagEngine.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig rag_managed_db_config = 2;</code>
+   */
+  com.google.cloud.vertexai.api.RagManagedDbConfigOrBuilder getRagManagedDbConfigOrBuilder();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFile.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFile.java
new file mode 100644
index 000000000000..ec7fdf4d0fae
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFile.java
@@ -0,0 +1,3939 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * A RagFile contains user data for chunking, embedding and indexing.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.RagFile}
+ */
+@com.google.protobuf.Generated
+public final class RagFile extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagFile)
+    RagFileOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "RagFile");
+  }
+
+  // Use RagFile.newBuilder() to construct.
+  private RagFile(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private RagFile() {
+    name_ = "";
+    displayName_ = "";
+    description_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagFile_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagFile_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.RagFile.class,
+            com.google.cloud.vertexai.api.RagFile.Builder.class);
+  }
+
+  private int bitField0_;
+  private int ragFileSourceCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object ragFileSource_;
+
+  public enum RagFileSourceCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    GCS_SOURCE(8),
+    GOOGLE_DRIVE_SOURCE(9),
+    DIRECT_UPLOAD_SOURCE(10),
+    SLACK_SOURCE(11),
+    JIRA_SOURCE(12),
+    SHARE_POINT_SOURCES(14),
+    RAGFILESOURCE_NOT_SET(0);
+    private final int value;
+
+    private RagFileSourceCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static RagFileSourceCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static RagFileSourceCase forNumber(int value) {
+      switch (value) {
+        case 8:
+          return GCS_SOURCE;
+        case 9:
+          return GOOGLE_DRIVE_SOURCE;
+        case 10:
+          return DIRECT_UPLOAD_SOURCE;
+        case 11:
+          return SLACK_SOURCE;
+        case 12:
+          return JIRA_SOURCE;
+        case 14:
+          return SHARE_POINT_SOURCES;
+        case 0:
+          return RAGFILESOURCE_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public RagFileSourceCase getRagFileSourceCase() {
+    return RagFileSourceCase.forNumber(ragFileSourceCase_);
+  }
+
+  public static final int GCS_SOURCE_FIELD_NUMBER = 8;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Google Cloud Storage location of the RagFile.
+   * It does not support wildcards in the Cloud Storage uri for now.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the gcsSource field is set.
+   */
+  @java.lang.Override
+  public boolean hasGcsSource() {
+    return ragFileSourceCase_ == 8;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Google Cloud Storage location of the RagFile.
+   * It does not support wildcards in the Cloud Storage uri for now.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The gcsSource.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GcsSource getGcsSource() {
+    if (ragFileSourceCase_ == 8) {
+      return (com.google.cloud.vertexai.api.GcsSource) ragFileSource_;
+    }
+    return com.google.cloud.vertexai.api.GcsSource.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Google Cloud Storage location of the RagFile.
+   * It does not support wildcards in the Cloud Storage uri for now.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GcsSourceOrBuilder getGcsSourceOrBuilder() {
+    if (ragFileSourceCase_ == 8) {
+      return (com.google.cloud.vertexai.api.GcsSource) ragFileSource_;
+    }
+    return com.google.cloud.vertexai.api.GcsSource.getDefaultInstance();
+  }
+
+  public static final int GOOGLE_DRIVE_SOURCE_FIELD_NUMBER = 9;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Google Drive location. Supports importing individual files
+   * as well as Google Drive folders.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the googleDriveSource field is set.
+   */
+  @java.lang.Override
+  public boolean hasGoogleDriveSource() {
+    return ragFileSourceCase_ == 9;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Google Drive location. Supports importing individual files
+   * as well as Google Drive folders.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The googleDriveSource.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GoogleDriveSource getGoogleDriveSource() {
+    if (ragFileSourceCase_ == 9) {
+      return (com.google.cloud.vertexai.api.GoogleDriveSource) ragFileSource_;
+    }
+    return com.google.cloud.vertexai.api.GoogleDriveSource.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Google Drive location. Supports importing individual files
+   * as well as Google Drive folders.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GoogleDriveSourceOrBuilder getGoogleDriveSourceOrBuilder() {
+    if (ragFileSourceCase_ == 9) {
+      return (com.google.cloud.vertexai.api.GoogleDriveSource) ragFileSource_;
+    }
+    return com.google.cloud.vertexai.api.GoogleDriveSource.getDefaultInstance();
+  }
+
+  public static final int DIRECT_UPLOAD_SOURCE_FIELD_NUMBER = 10;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The RagFile is encapsulated and uploaded in the
+   * UploadRagFile request.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the directUploadSource field is set.
+   */
+  @java.lang.Override
+  public boolean hasDirectUploadSource() {
+    return ragFileSourceCase_ == 10;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The RagFile is encapsulated and uploaded in the
+   * UploadRagFile request.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The directUploadSource.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.DirectUploadSource getDirectUploadSource() {
+    if (ragFileSourceCase_ == 10) {
+      return (com.google.cloud.vertexai.api.DirectUploadSource) ragFileSource_;
+    }
+    return com.google.cloud.vertexai.api.DirectUploadSource.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The RagFile is encapsulated and uploaded in the
+   * UploadRagFile request.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.DirectUploadSourceOrBuilder
+      getDirectUploadSourceOrBuilder() {
+    if (ragFileSourceCase_ == 10) {
+      return (com.google.cloud.vertexai.api.DirectUploadSource) ragFileSource_;
+    }
+    return com.google.cloud.vertexai.api.DirectUploadSource.getDefaultInstance();
+  }
+
+  public static final int SLACK_SOURCE_FIELD_NUMBER = 11;
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a Slack channel.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+   *
+   * @return Whether the slackSource field is set.
+   */
+  @java.lang.Override
+  public boolean hasSlackSource() {
+    return ragFileSourceCase_ == 11;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a Slack channel.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+   *
+   * @return The slackSource.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SlackSource getSlackSource() {
+    if (ragFileSourceCase_ == 11) {
+      return (com.google.cloud.vertexai.api.SlackSource) ragFileSource_;
+    }
+    return com.google.cloud.vertexai.api.SlackSource.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a Slack channel.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SlackSourceOrBuilder getSlackSourceOrBuilder() {
+    if (ragFileSourceCase_ == 11) {
+      return (com.google.cloud.vertexai.api.SlackSource) ragFileSource_;
+    }
+    return com.google.cloud.vertexai.api.SlackSource.getDefaultInstance();
+  }
+
+  public static final int JIRA_SOURCE_FIELD_NUMBER = 12;
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a Jira query.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+   *
+   * @return Whether the jiraSource field is set.
+   */
+  @java.lang.Override
+  public boolean hasJiraSource() {
+    return ragFileSourceCase_ == 12;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a Jira query.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+   *
+   * @return The jiraSource.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.JiraSource getJiraSource() {
+    if (ragFileSourceCase_ == 12) {
+      return (com.google.cloud.vertexai.api.JiraSource) ragFileSource_;
+    }
+    return com.google.cloud.vertexai.api.JiraSource.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a Jira query.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.JiraSourceOrBuilder getJiraSourceOrBuilder() {
+    if (ragFileSourceCase_ == 12) {
+      return (com.google.cloud.vertexai.api.JiraSource) ragFileSource_;
+    }
+    return com.google.cloud.vertexai.api.JiraSource.getDefaultInstance();
+  }
+
+  public static final int SHARE_POINT_SOURCES_FIELD_NUMBER = 14;
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a SharePoint source.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+   *
+   * @return Whether the sharePointSources field is set.
+   */
+  @java.lang.Override
+  public boolean hasSharePointSources() {
+    return ragFileSourceCase_ == 14;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a SharePoint source.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+   *
+   * @return The sharePointSources.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SharePointSources getSharePointSources() {
+    if (ragFileSourceCase_ == 14) {
+      return (com.google.cloud.vertexai.api.SharePointSources) ragFileSource_;
+    }
+    return com.google.cloud.vertexai.api.SharePointSources.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a SharePoint source.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SharePointSourcesOrBuilder getSharePointSourcesOrBuilder() {
+    if (ragFileSourceCase_ == 14) {
+      return (com.google.cloud.vertexai.api.SharePointSources) ragFileSource_;
+    }
+    return com.google.cloud.vertexai.api.SharePointSources.getDefaultInstance();
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object name_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the RagFile.
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the RagFile.
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int DISPLAY_NAME_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
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+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFile_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFile getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.RagFile.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFile build() {
+      com.google.cloud.vertexai.api.RagFile result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFile buildPartial() {
+      com.google.cloud.vertexai.api.RagFile result =
+          new com.google.cloud.vertexai.api.RagFile(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.RagFile result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000040) != 0)) {
+        result.name_ = name_;
+      }
+      if (((from_bitField0_ & 0x00000080) != 0)) {
+        result.displayName_ = displayName_;
+      }
+      if (((from_bitField0_ & 0x00000100) != 0)) {
+        result.description_ = description_;
+      }
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000200) != 0)) {
+        result.createTime_ = createTimeBuilder_ == null ? createTime_ : createTimeBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      if (((from_bitField0_ & 0x00000400) != 0)) {
+        result.updateTime_ = updateTimeBuilder_ == null ? updateTime_ : updateTimeBuilder_.build();
+        to_bitField0_ |= 0x00000002;
+      }
+      if (((from_bitField0_ & 0x00000800) != 0)) {
+        result.fileStatus_ = fileStatusBuilder_ == null ? fileStatus_ : fileStatusBuilder_.build();
+        to_bitField0_ |= 0x00000004;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.vertexai.api.RagFile result) {
+      result.ragFileSourceCase_ = ragFileSourceCase_;
+      result.ragFileSource_ = this.ragFileSource_;
+      if (ragFileSourceCase_ == 8 && gcsSourceBuilder_ != null) {
+        result.ragFileSource_ = gcsSourceBuilder_.build();
+      }
+      if (ragFileSourceCase_ == 9 && googleDriveSourceBuilder_ != null) {
+        result.ragFileSource_ = googleDriveSourceBuilder_.build();
+      }
+      if (ragFileSourceCase_ == 10 && directUploadSourceBuilder_ != null) {
+        result.ragFileSource_ = directUploadSourceBuilder_.build();
+      }
+      if (ragFileSourceCase_ == 11 && slackSourceBuilder_ != null) {
+        result.ragFileSource_ = slackSourceBuilder_.build();
+      }
+      if (ragFileSourceCase_ == 12 && jiraSourceBuilder_ != null) {
+        result.ragFileSource_ = jiraSourceBuilder_.build();
+      }
+      if (ragFileSourceCase_ == 14 && sharePointSourcesBuilder_ != null) {
+        result.ragFileSource_ = sharePointSourcesBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.RagFile) {
+        return mergeFrom((com.google.cloud.vertexai.api.RagFile) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.RagFile other) {
+      if (other == com.google.cloud.vertexai.api.RagFile.getDefaultInstance()) return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        bitField0_ |= 0x00000040;
+        onChanged();
+      }
+      if (!other.getDisplayName().isEmpty()) {
+        displayName_ = other.displayName_;
+        bitField0_ |= 0x00000080;
+        onChanged();
+      }
+      if (!other.getDescription().isEmpty()) {
+        description_ = other.description_;
+        bitField0_ |= 0x00000100;
+        onChanged();
+      }
+      if (other.hasCreateTime()) {
+        mergeCreateTime(other.getCreateTime());
+      }
+      if (other.hasUpdateTime()) {
+        mergeUpdateTime(other.getUpdateTime());
+      }
+      if (other.hasFileStatus()) {
+        mergeFileStatus(other.getFileStatus());
+      }
+      switch (other.getRagFileSourceCase()) {
+        case GCS_SOURCE:
+          {
+            mergeGcsSource(other.getGcsSource());
+            break;
+          }
+        case GOOGLE_DRIVE_SOURCE:
+          {
+            mergeGoogleDriveSource(other.getGoogleDriveSource());
+            break;
+          }
+        case DIRECT_UPLOAD_SOURCE:
+          {
+            mergeDirectUploadSource(other.getDirectUploadSource());
+            break;
+          }
+        case SLACK_SOURCE:
+          {
+            mergeSlackSource(other.getSlackSource());
+            break;
+          }
+        case JIRA_SOURCE:
+          {
+            mergeJiraSource(other.getJiraSource());
+            break;
+          }
+        case SHARE_POINT_SOURCES:
+          {
+            mergeSharePointSources(other.getSharePointSources());
+            break;
+          }
+        case RAGFILESOURCE_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                name_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000040;
+                break;
+              } // case 10
+            case 18:
+              {
+                displayName_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000080;
+                break;
+              } // case 18
+            case 26:
+              {
+                description_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000100;
+                break;
+              } // case 26
+            case 50:
+              {
+                input.readMessage(
+                    internalGetCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000200;
+                break;
+              } // case 50
+            case 58:
+              {
+                input.readMessage(
+                    internalGetUpdateTimeFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000400;
+                break;
+              } // case 58
+            case 66:
+              {
+                input.readMessage(
+                    internalGetGcsSourceFieldBuilder().getBuilder(), extensionRegistry);
+                ragFileSourceCase_ = 8;
+                break;
+              } // case 66
+            case 74:
+              {
+                input.readMessage(
+                    internalGetGoogleDriveSourceFieldBuilder().getBuilder(), extensionRegistry);
+                ragFileSourceCase_ = 9;
+                break;
+              } // case 74
+            case 82:
+              {
+                input.readMessage(
+                    internalGetDirectUploadSourceFieldBuilder().getBuilder(), extensionRegistry);
+                ragFileSourceCase_ = 10;
+                break;
+              } // case 82
+            case 90:
+              {
+                input.readMessage(
+                    internalGetSlackSourceFieldBuilder().getBuilder(), extensionRegistry);
+                ragFileSourceCase_ = 11;
+                break;
+              } // case 90
+            case 98:
+              {
+                input.readMessage(
+                    internalGetJiraSourceFieldBuilder().getBuilder(), extensionRegistry);
+                ragFileSourceCase_ = 12;
+                break;
+              } // case 98
+            case 106:
+              {
+                input.readMessage(
+                    internalGetFileStatusFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000800;
+                break;
+              } // case 106
+            case 114:
+              {
+                input.readMessage(
+                    internalGetSharePointSourcesFieldBuilder().getBuilder(), extensionRegistry);
+                ragFileSourceCase_ = 14;
+                break;
+              } // case 114
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int ragFileSourceCase_ = 0;
+    private java.lang.Object ragFileSource_;
+
+    public RagFileSourceCase getRagFileSourceCase() {
+      return RagFileSourceCase.forNumber(ragFileSourceCase_);
+    }
+
+    public Builder clearRagFileSource() {
+      ragFileSourceCase_ = 0;
+      ragFileSource_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GcsSource,
+            com.google.cloud.vertexai.api.GcsSource.Builder,
+            com.google.cloud.vertexai.api.GcsSourceOrBuilder>
+        gcsSourceBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Cloud Storage location of the RagFile.
+     * It does not support wildcards in the Cloud Storage uri for now.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the gcsSource field is set.
+     */
+    @java.lang.Override
+    public boolean hasGcsSource() {
+      return ragFileSourceCase_ == 8;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Cloud Storage location of the RagFile.
+     * It does not support wildcards in the Cloud Storage uri for now.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The gcsSource.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GcsSource getGcsSource() {
+      if (gcsSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 8) {
+          return (com.google.cloud.vertexai.api.GcsSource) ragFileSource_;
+        }
+        return com.google.cloud.vertexai.api.GcsSource.getDefaultInstance();
+      } else {
+        if (ragFileSourceCase_ == 8) {
+          return gcsSourceBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.GcsSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Cloud Storage location of the RagFile.
+     * It does not support wildcards in the Cloud Storage uri for now.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setGcsSource(com.google.cloud.vertexai.api.GcsSource value) {
+      if (gcsSourceBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ragFileSource_ = value;
+        onChanged();
+      } else {
+        gcsSourceBuilder_.setMessage(value);
+      }
+      ragFileSourceCase_ = 8;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Cloud Storage location of the RagFile.
+     * It does not support wildcards in the Cloud Storage uri for now.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setGcsSource(com.google.cloud.vertexai.api.GcsSource.Builder builderForValue) {
+      if (gcsSourceBuilder_ == null) {
+        ragFileSource_ = builderForValue.build();
+        onChanged();
+      } else {
+        gcsSourceBuilder_.setMessage(builderForValue.build());
+      }
+      ragFileSourceCase_ = 8;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Cloud Storage location of the RagFile.
+     * It does not support wildcards in the Cloud Storage uri for now.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeGcsSource(com.google.cloud.vertexai.api.GcsSource value) {
+      if (gcsSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 8
+            && ragFileSource_ != com.google.cloud.vertexai.api.GcsSource.getDefaultInstance()) {
+          ragFileSource_ =
+              com.google.cloud.vertexai.api.GcsSource.newBuilder(
+                      (com.google.cloud.vertexai.api.GcsSource) ragFileSource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          ragFileSource_ = value;
+        }
+        onChanged();
+      } else {
+        if (ragFileSourceCase_ == 8) {
+          gcsSourceBuilder_.mergeFrom(value);
+        } else {
+          gcsSourceBuilder_.setMessage(value);
+        }
+      }
+      ragFileSourceCase_ = 8;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Cloud Storage location of the RagFile.
+     * It does not support wildcards in the Cloud Storage uri for now.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearGcsSource() {
+      if (gcsSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 8) {
+          ragFileSourceCase_ = 0;
+          ragFileSource_ = null;
+          onChanged();
+        }
+      } else {
+        if (ragFileSourceCase_ == 8) {
+          ragFileSourceCase_ = 0;
+          ragFileSource_ = null;
+        }
+        gcsSourceBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Cloud Storage location of the RagFile.
+     * It does not support wildcards in the Cloud Storage uri for now.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.GcsSource.Builder getGcsSourceBuilder() {
+      return internalGetGcsSourceFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Cloud Storage location of the RagFile.
+     * It does not support wildcards in the Cloud Storage uri for now.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GcsSourceOrBuilder getGcsSourceOrBuilder() {
+      if ((ragFileSourceCase_ == 8) && (gcsSourceBuilder_ != null)) {
+        return gcsSourceBuilder_.getMessageOrBuilder();
+      } else {
+        if (ragFileSourceCase_ == 8) {
+          return (com.google.cloud.vertexai.api.GcsSource) ragFileSource_;
+        }
+        return com.google.cloud.vertexai.api.GcsSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Cloud Storage location of the RagFile.
+     * It does not support wildcards in the Cloud Storage uri for now.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GcsSource,
+            com.google.cloud.vertexai.api.GcsSource.Builder,
+            com.google.cloud.vertexai.api.GcsSourceOrBuilder>
+        internalGetGcsSourceFieldBuilder() {
+      if (gcsSourceBuilder_ == null) {
+        if (!(ragFileSourceCase_ == 8)) {
+          ragFileSource_ = com.google.cloud.vertexai.api.GcsSource.getDefaultInstance();
+        }
+        gcsSourceBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.GcsSource,
+                com.google.cloud.vertexai.api.GcsSource.Builder,
+                com.google.cloud.vertexai.api.GcsSourceOrBuilder>(
+                (com.google.cloud.vertexai.api.GcsSource) ragFileSource_,
+                getParentForChildren(),
+                isClean());
+        ragFileSource_ = null;
+      }
+      ragFileSourceCase_ = 8;
+      onChanged();
+      return gcsSourceBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GoogleDriveSource,
+            com.google.cloud.vertexai.api.GoogleDriveSource.Builder,
+            com.google.cloud.vertexai.api.GoogleDriveSourceOrBuilder>
+        googleDriveSourceBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Drive location. Supports importing individual files
+     * as well as Google Drive folders.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the googleDriveSource field is set.
+     */
+    @java.lang.Override
+    public boolean hasGoogleDriveSource() {
+      return ragFileSourceCase_ == 9;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Drive location. Supports importing individual files
+     * as well as Google Drive folders.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The googleDriveSource.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GoogleDriveSource getGoogleDriveSource() {
+      if (googleDriveSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 9) {
+          return (com.google.cloud.vertexai.api.GoogleDriveSource) ragFileSource_;
+        }
+        return com.google.cloud.vertexai.api.GoogleDriveSource.getDefaultInstance();
+      } else {
+        if (ragFileSourceCase_ == 9) {
+          return googleDriveSourceBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.GoogleDriveSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Drive location. Supports importing individual files
+     * as well as Google Drive folders.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setGoogleDriveSource(com.google.cloud.vertexai.api.GoogleDriveSource value) {
+      if (googleDriveSourceBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ragFileSource_ = value;
+        onChanged();
+      } else {
+        googleDriveSourceBuilder_.setMessage(value);
+      }
+      ragFileSourceCase_ = 9;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Drive location. Supports importing individual files
+     * as well as Google Drive folders.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setGoogleDriveSource(
+        com.google.cloud.vertexai.api.GoogleDriveSource.Builder builderForValue) {
+      if (googleDriveSourceBuilder_ == null) {
+        ragFileSource_ = builderForValue.build();
+        onChanged();
+      } else {
+        googleDriveSourceBuilder_.setMessage(builderForValue.build());
+      }
+      ragFileSourceCase_ = 9;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Drive location. Supports importing individual files
+     * as well as Google Drive folders.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeGoogleDriveSource(com.google.cloud.vertexai.api.GoogleDriveSource value) {
+      if (googleDriveSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 9
+            && ragFileSource_
+                != com.google.cloud.vertexai.api.GoogleDriveSource.getDefaultInstance()) {
+          ragFileSource_ =
+              com.google.cloud.vertexai.api.GoogleDriveSource.newBuilder(
+                      (com.google.cloud.vertexai.api.GoogleDriveSource) ragFileSource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          ragFileSource_ = value;
+        }
+        onChanged();
+      } else {
+        if (ragFileSourceCase_ == 9) {
+          googleDriveSourceBuilder_.mergeFrom(value);
+        } else {
+          googleDriveSourceBuilder_.setMessage(value);
+        }
+      }
+      ragFileSourceCase_ = 9;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Drive location. Supports importing individual files
+     * as well as Google Drive folders.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearGoogleDriveSource() {
+      if (googleDriveSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 9) {
+          ragFileSourceCase_ = 0;
+          ragFileSource_ = null;
+          onChanged();
+        }
+      } else {
+        if (ragFileSourceCase_ == 9) {
+          ragFileSourceCase_ = 0;
+          ragFileSource_ = null;
+        }
+        googleDriveSourceBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Drive location. Supports importing individual files
+     * as well as Google Drive folders.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.GoogleDriveSource.Builder getGoogleDriveSourceBuilder() {
+      return internalGetGoogleDriveSourceFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Drive location. Supports importing individual files
+     * as well as Google Drive folders.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.GoogleDriveSourceOrBuilder
+        getGoogleDriveSourceOrBuilder() {
+      if ((ragFileSourceCase_ == 9) && (googleDriveSourceBuilder_ != null)) {
+        return googleDriveSourceBuilder_.getMessageOrBuilder();
+      } else {
+        if (ragFileSourceCase_ == 9) {
+          return (com.google.cloud.vertexai.api.GoogleDriveSource) ragFileSource_;
+        }
+        return com.google.cloud.vertexai.api.GoogleDriveSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Google Drive location. Supports importing individual files
+     * as well as Google Drive folders.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GoogleDriveSource,
+            com.google.cloud.vertexai.api.GoogleDriveSource.Builder,
+            com.google.cloud.vertexai.api.GoogleDriveSourceOrBuilder>
+        internalGetGoogleDriveSourceFieldBuilder() {
+      if (googleDriveSourceBuilder_ == null) {
+        if (!(ragFileSourceCase_ == 9)) {
+          ragFileSource_ = com.google.cloud.vertexai.api.GoogleDriveSource.getDefaultInstance();
+        }
+        googleDriveSourceBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.GoogleDriveSource,
+                com.google.cloud.vertexai.api.GoogleDriveSource.Builder,
+                com.google.cloud.vertexai.api.GoogleDriveSourceOrBuilder>(
+                (com.google.cloud.vertexai.api.GoogleDriveSource) ragFileSource_,
+                getParentForChildren(),
+                isClean());
+        ragFileSource_ = null;
+      }
+      ragFileSourceCase_ = 9;
+      onChanged();
+      return googleDriveSourceBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.DirectUploadSource,
+            com.google.cloud.vertexai.api.DirectUploadSource.Builder,
+            com.google.cloud.vertexai.api.DirectUploadSourceOrBuilder>
+        directUploadSourceBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The RagFile is encapsulated and uploaded in the
+     * UploadRagFile request.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the directUploadSource field is set.
+     */
+    @java.lang.Override
+    public boolean hasDirectUploadSource() {
+      return ragFileSourceCase_ == 10;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The RagFile is encapsulated and uploaded in the
+     * UploadRagFile request.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The directUploadSource.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.DirectUploadSource getDirectUploadSource() {
+      if (directUploadSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 10) {
+          return (com.google.cloud.vertexai.api.DirectUploadSource) ragFileSource_;
+        }
+        return com.google.cloud.vertexai.api.DirectUploadSource.getDefaultInstance();
+      } else {
+        if (ragFileSourceCase_ == 10) {
+          return directUploadSourceBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.DirectUploadSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The RagFile is encapsulated and uploaded in the
+     * UploadRagFile request.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setDirectUploadSource(com.google.cloud.vertexai.api.DirectUploadSource value) {
+      if (directUploadSourceBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ragFileSource_ = value;
+        onChanged();
+      } else {
+        directUploadSourceBuilder_.setMessage(value);
+      }
+      ragFileSourceCase_ = 10;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The RagFile is encapsulated and uploaded in the
+     * UploadRagFile request.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setDirectUploadSource(
+        com.google.cloud.vertexai.api.DirectUploadSource.Builder builderForValue) {
+      if (directUploadSourceBuilder_ == null) {
+        ragFileSource_ = builderForValue.build();
+        onChanged();
+      } else {
+        directUploadSourceBuilder_.setMessage(builderForValue.build());
+      }
+      ragFileSourceCase_ = 10;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The RagFile is encapsulated and uploaded in the
+     * UploadRagFile request.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeDirectUploadSource(com.google.cloud.vertexai.api.DirectUploadSource value) {
+      if (directUploadSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 10
+            && ragFileSource_
+                != com.google.cloud.vertexai.api.DirectUploadSource.getDefaultInstance()) {
+          ragFileSource_ =
+              com.google.cloud.vertexai.api.DirectUploadSource.newBuilder(
+                      (com.google.cloud.vertexai.api.DirectUploadSource) ragFileSource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          ragFileSource_ = value;
+        }
+        onChanged();
+      } else {
+        if (ragFileSourceCase_ == 10) {
+          directUploadSourceBuilder_.mergeFrom(value);
+        } else {
+          directUploadSourceBuilder_.setMessage(value);
+        }
+      }
+      ragFileSourceCase_ = 10;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The RagFile is encapsulated and uploaded in the
+     * UploadRagFile request.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearDirectUploadSource() {
+      if (directUploadSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 10) {
+          ragFileSourceCase_ = 0;
+          ragFileSource_ = null;
+          onChanged();
+        }
+      } else {
+        if (ragFileSourceCase_ == 10) {
+          ragFileSourceCase_ = 0;
+          ragFileSource_ = null;
+        }
+        directUploadSourceBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The RagFile is encapsulated and uploaded in the
+     * UploadRagFile request.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.DirectUploadSource.Builder getDirectUploadSourceBuilder() {
+      return internalGetDirectUploadSourceFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The RagFile is encapsulated and uploaded in the
+     * UploadRagFile request.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.DirectUploadSourceOrBuilder
+        getDirectUploadSourceOrBuilder() {
+      if ((ragFileSourceCase_ == 10) && (directUploadSourceBuilder_ != null)) {
+        return directUploadSourceBuilder_.getMessageOrBuilder();
+      } else {
+        if (ragFileSourceCase_ == 10) {
+          return (com.google.cloud.vertexai.api.DirectUploadSource) ragFileSource_;
+        }
+        return com.google.cloud.vertexai.api.DirectUploadSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The RagFile is encapsulated and uploaded in the
+     * UploadRagFile request.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.DirectUploadSource,
+            com.google.cloud.vertexai.api.DirectUploadSource.Builder,
+            com.google.cloud.vertexai.api.DirectUploadSourceOrBuilder>
+        internalGetDirectUploadSourceFieldBuilder() {
+      if (directUploadSourceBuilder_ == null) {
+        if (!(ragFileSourceCase_ == 10)) {
+          ragFileSource_ = com.google.cloud.vertexai.api.DirectUploadSource.getDefaultInstance();
+        }
+        directUploadSourceBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.DirectUploadSource,
+                com.google.cloud.vertexai.api.DirectUploadSource.Builder,
+                com.google.cloud.vertexai.api.DirectUploadSourceOrBuilder>(
+                (com.google.cloud.vertexai.api.DirectUploadSource) ragFileSource_,
+                getParentForChildren(),
+                isClean());
+        ragFileSource_ = null;
+      }
+      ragFileSourceCase_ = 10;
+      onChanged();
+      return directUploadSourceBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.SlackSource,
+            com.google.cloud.vertexai.api.SlackSource.Builder,
+            com.google.cloud.vertexai.api.SlackSourceOrBuilder>
+        slackSourceBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Slack channel.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+     *
+     * @return Whether the slackSource field is set.
+     */
+    @java.lang.Override
+    public boolean hasSlackSource() {
+      return ragFileSourceCase_ == 11;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Slack channel.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+     *
+     * @return The slackSource.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.SlackSource getSlackSource() {
+      if (slackSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 11) {
+          return (com.google.cloud.vertexai.api.SlackSource) ragFileSource_;
+        }
+        return com.google.cloud.vertexai.api.SlackSource.getDefaultInstance();
+      } else {
+        if (ragFileSourceCase_ == 11) {
+          return slackSourceBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.SlackSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Slack channel.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+     */
+    public Builder setSlackSource(com.google.cloud.vertexai.api.SlackSource value) {
+      if (slackSourceBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ragFileSource_ = value;
+        onChanged();
+      } else {
+        slackSourceBuilder_.setMessage(value);
+      }
+      ragFileSourceCase_ = 11;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Slack channel.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+     */
+    public Builder setSlackSource(
+        com.google.cloud.vertexai.api.SlackSource.Builder builderForValue) {
+      if (slackSourceBuilder_ == null) {
+        ragFileSource_ = builderForValue.build();
+        onChanged();
+      } else {
+        slackSourceBuilder_.setMessage(builderForValue.build());
+      }
+      ragFileSourceCase_ = 11;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Slack channel.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+     */
+    public Builder mergeSlackSource(com.google.cloud.vertexai.api.SlackSource value) {
+      if (slackSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 11
+            && ragFileSource_ != com.google.cloud.vertexai.api.SlackSource.getDefaultInstance()) {
+          ragFileSource_ =
+              com.google.cloud.vertexai.api.SlackSource.newBuilder(
+                      (com.google.cloud.vertexai.api.SlackSource) ragFileSource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          ragFileSource_ = value;
+        }
+        onChanged();
+      } else {
+        if (ragFileSourceCase_ == 11) {
+          slackSourceBuilder_.mergeFrom(value);
+        } else {
+          slackSourceBuilder_.setMessage(value);
+        }
+      }
+      ragFileSourceCase_ = 11;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Slack channel.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+     */
+    public Builder clearSlackSource() {
+      if (slackSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 11) {
+          ragFileSourceCase_ = 0;
+          ragFileSource_ = null;
+          onChanged();
+        }
+      } else {
+        if (ragFileSourceCase_ == 11) {
+          ragFileSourceCase_ = 0;
+          ragFileSource_ = null;
+        }
+        slackSourceBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Slack channel.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+     */
+    public com.google.cloud.vertexai.api.SlackSource.Builder getSlackSourceBuilder() {
+      return internalGetSlackSourceFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Slack channel.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.SlackSourceOrBuilder getSlackSourceOrBuilder() {
+      if ((ragFileSourceCase_ == 11) && (slackSourceBuilder_ != null)) {
+        return slackSourceBuilder_.getMessageOrBuilder();
+      } else {
+        if (ragFileSourceCase_ == 11) {
+          return (com.google.cloud.vertexai.api.SlackSource) ragFileSource_;
+        }
+        return com.google.cloud.vertexai.api.SlackSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Slack channel.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.SlackSource,
+            com.google.cloud.vertexai.api.SlackSource.Builder,
+            com.google.cloud.vertexai.api.SlackSourceOrBuilder>
+        internalGetSlackSourceFieldBuilder() {
+      if (slackSourceBuilder_ == null) {
+        if (!(ragFileSourceCase_ == 11)) {
+          ragFileSource_ = com.google.cloud.vertexai.api.SlackSource.getDefaultInstance();
+        }
+        slackSourceBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.SlackSource,
+                com.google.cloud.vertexai.api.SlackSource.Builder,
+                com.google.cloud.vertexai.api.SlackSourceOrBuilder>(
+                (com.google.cloud.vertexai.api.SlackSource) ragFileSource_,
+                getParentForChildren(),
+                isClean());
+        ragFileSource_ = null;
+      }
+      ragFileSourceCase_ = 11;
+      onChanged();
+      return slackSourceBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.JiraSource,
+            com.google.cloud.vertexai.api.JiraSource.Builder,
+            com.google.cloud.vertexai.api.JiraSourceOrBuilder>
+        jiraSourceBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Jira query.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+     *
+     * @return Whether the jiraSource field is set.
+     */
+    @java.lang.Override
+    public boolean hasJiraSource() {
+      return ragFileSourceCase_ == 12;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Jira query.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+     *
+     * @return The jiraSource.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.JiraSource getJiraSource() {
+      if (jiraSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 12) {
+          return (com.google.cloud.vertexai.api.JiraSource) ragFileSource_;
+        }
+        return com.google.cloud.vertexai.api.JiraSource.getDefaultInstance();
+      } else {
+        if (ragFileSourceCase_ == 12) {
+          return jiraSourceBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.JiraSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Jira query.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+     */
+    public Builder setJiraSource(com.google.cloud.vertexai.api.JiraSource value) {
+      if (jiraSourceBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ragFileSource_ = value;
+        onChanged();
+      } else {
+        jiraSourceBuilder_.setMessage(value);
+      }
+      ragFileSourceCase_ = 12;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Jira query.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+     */
+    public Builder setJiraSource(com.google.cloud.vertexai.api.JiraSource.Builder builderForValue) {
+      if (jiraSourceBuilder_ == null) {
+        ragFileSource_ = builderForValue.build();
+        onChanged();
+      } else {
+        jiraSourceBuilder_.setMessage(builderForValue.build());
+      }
+      ragFileSourceCase_ = 12;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Jira query.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+     */
+    public Builder mergeJiraSource(com.google.cloud.vertexai.api.JiraSource value) {
+      if (jiraSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 12
+            && ragFileSource_ != com.google.cloud.vertexai.api.JiraSource.getDefaultInstance()) {
+          ragFileSource_ =
+              com.google.cloud.vertexai.api.JiraSource.newBuilder(
+                      (com.google.cloud.vertexai.api.JiraSource) ragFileSource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          ragFileSource_ = value;
+        }
+        onChanged();
+      } else {
+        if (ragFileSourceCase_ == 12) {
+          jiraSourceBuilder_.mergeFrom(value);
+        } else {
+          jiraSourceBuilder_.setMessage(value);
+        }
+      }
+      ragFileSourceCase_ = 12;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Jira query.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+     */
+    public Builder clearJiraSource() {
+      if (jiraSourceBuilder_ == null) {
+        if (ragFileSourceCase_ == 12) {
+          ragFileSourceCase_ = 0;
+          ragFileSource_ = null;
+          onChanged();
+        }
+      } else {
+        if (ragFileSourceCase_ == 12) {
+          ragFileSourceCase_ = 0;
+          ragFileSource_ = null;
+        }
+        jiraSourceBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Jira query.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+     */
+    public com.google.cloud.vertexai.api.JiraSource.Builder getJiraSourceBuilder() {
+      return internalGetJiraSourceFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Jira query.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.JiraSourceOrBuilder getJiraSourceOrBuilder() {
+      if ((ragFileSourceCase_ == 12) && (jiraSourceBuilder_ != null)) {
+        return jiraSourceBuilder_.getMessageOrBuilder();
+      } else {
+        if (ragFileSourceCase_ == 12) {
+          return (com.google.cloud.vertexai.api.JiraSource) ragFileSource_;
+        }
+        return com.google.cloud.vertexai.api.JiraSource.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a Jira query.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.JiraSource,
+            com.google.cloud.vertexai.api.JiraSource.Builder,
+            com.google.cloud.vertexai.api.JiraSourceOrBuilder>
+        internalGetJiraSourceFieldBuilder() {
+      if (jiraSourceBuilder_ == null) {
+        if (!(ragFileSourceCase_ == 12)) {
+          ragFileSource_ = com.google.cloud.vertexai.api.JiraSource.getDefaultInstance();
+        }
+        jiraSourceBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.JiraSource,
+                com.google.cloud.vertexai.api.JiraSource.Builder,
+                com.google.cloud.vertexai.api.JiraSourceOrBuilder>(
+                (com.google.cloud.vertexai.api.JiraSource) ragFileSource_,
+                getParentForChildren(),
+                isClean());
+        ragFileSource_ = null;
+      }
+      ragFileSourceCase_ = 12;
+      onChanged();
+      return jiraSourceBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.SharePointSources,
+            com.google.cloud.vertexai.api.SharePointSources.Builder,
+            com.google.cloud.vertexai.api.SharePointSourcesOrBuilder>
+        sharePointSourcesBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a SharePoint source.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+     *
+     * @return Whether the sharePointSources field is set.
+     */
+    @java.lang.Override
+    public boolean hasSharePointSources() {
+      return ragFileSourceCase_ == 14;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a SharePoint source.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+     *
+     * @return The sharePointSources.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.SharePointSources getSharePointSources() {
+      if (sharePointSourcesBuilder_ == null) {
+        if (ragFileSourceCase_ == 14) {
+          return (com.google.cloud.vertexai.api.SharePointSources) ragFileSource_;
+        }
+        return com.google.cloud.vertexai.api.SharePointSources.getDefaultInstance();
+      } else {
+        if (ragFileSourceCase_ == 14) {
+          return sharePointSourcesBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.SharePointSources.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a SharePoint source.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+     */
+    public Builder setSharePointSources(com.google.cloud.vertexai.api.SharePointSources value) {
+      if (sharePointSourcesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ragFileSource_ = value;
+        onChanged();
+      } else {
+        sharePointSourcesBuilder_.setMessage(value);
+      }
+      ragFileSourceCase_ = 14;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a SharePoint source.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+     */
+    public Builder setSharePointSources(
+        com.google.cloud.vertexai.api.SharePointSources.Builder builderForValue) {
+      if (sharePointSourcesBuilder_ == null) {
+        ragFileSource_ = builderForValue.build();
+        onChanged();
+      } else {
+        sharePointSourcesBuilder_.setMessage(builderForValue.build());
+      }
+      ragFileSourceCase_ = 14;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a SharePoint source.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+     */
+    public Builder mergeSharePointSources(com.google.cloud.vertexai.api.SharePointSources value) {
+      if (sharePointSourcesBuilder_ == null) {
+        if (ragFileSourceCase_ == 14
+            && ragFileSource_
+                != com.google.cloud.vertexai.api.SharePointSources.getDefaultInstance()) {
+          ragFileSource_ =
+              com.google.cloud.vertexai.api.SharePointSources.newBuilder(
+                      (com.google.cloud.vertexai.api.SharePointSources) ragFileSource_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          ragFileSource_ = value;
+        }
+        onChanged();
+      } else {
+        if (ragFileSourceCase_ == 14) {
+          sharePointSourcesBuilder_.mergeFrom(value);
+        } else {
+          sharePointSourcesBuilder_.setMessage(value);
+        }
+      }
+      ragFileSourceCase_ = 14;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a SharePoint source.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+     */
+    public Builder clearSharePointSources() {
+      if (sharePointSourcesBuilder_ == null) {
+        if (ragFileSourceCase_ == 14) {
+          ragFileSourceCase_ = 0;
+          ragFileSource_ = null;
+          onChanged();
+        }
+      } else {
+        if (ragFileSourceCase_ == 14) {
+          ragFileSourceCase_ = 0;
+          ragFileSource_ = null;
+        }
+        sharePointSourcesBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a SharePoint source.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+     */
+    public com.google.cloud.vertexai.api.SharePointSources.Builder getSharePointSourcesBuilder() {
+      return internalGetSharePointSourcesFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a SharePoint source.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.SharePointSourcesOrBuilder
+        getSharePointSourcesOrBuilder() {
+      if ((ragFileSourceCase_ == 14) && (sharePointSourcesBuilder_ != null)) {
+        return sharePointSourcesBuilder_.getMessageOrBuilder();
+      } else {
+        if (ragFileSourceCase_ == 14) {
+          return (com.google.cloud.vertexai.api.SharePointSources) ragFileSource_;
+        }
+        return com.google.cloud.vertexai.api.SharePointSources.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The RagFile is imported from a SharePoint source.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.SharePointSources,
+            com.google.cloud.vertexai.api.SharePointSources.Builder,
+            com.google.cloud.vertexai.api.SharePointSourcesOrBuilder>
+        internalGetSharePointSourcesFieldBuilder() {
+      if (sharePointSourcesBuilder_ == null) {
+        if (!(ragFileSourceCase_ == 14)) {
+          ragFileSource_ = com.google.cloud.vertexai.api.SharePointSources.getDefaultInstance();
+        }
+        sharePointSourcesBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.SharePointSources,
+                com.google.cloud.vertexai.api.SharePointSources.Builder,
+                com.google.cloud.vertexai.api.SharePointSourcesOrBuilder>(
+                (com.google.cloud.vertexai.api.SharePointSources) ragFileSource_,
+                getParentForChildren(),
+                isClean());
+        ragFileSource_ = null;
+      }
+      ragFileSourceCase_ = 14;
+      onChanged();
+      return sharePointSourcesBuilder_;
+    }
+
+    private java.lang.Object name_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the RagFile.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the RagFile.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the RagFile.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      name_ = value;
+      bitField0_ |= 0x00000040;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the RagFile.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+      name_ = getDefaultInstance().getName();
+      bitField0_ = (bitField0_ & ~0x00000040);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The resource name of the RagFile.
+     * </pre>
+     *
+     * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      name_ = value;
+      bitField0_ |= 0x00000040;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object displayName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The display name of the RagFile.
+     * The name can be up to 128 characters long and can consist of any UTF-8
+     * characters.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The displayName.
+     */
+    public java.lang.String getDisplayName() {
+      java.lang.Object ref = displayName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        displayName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The display name of the RagFile.
+     * The name can be up to 128 characters long and can consist of any UTF-8
+     * characters.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for displayName.
+     */
+    public com.google.protobuf.ByteString getDisplayNameBytes() {
+      java.lang.Object ref = displayName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        displayName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The display name of the RagFile.
+     * The name can be up to 128 characters long and can consist of any UTF-8
+     * characters.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      displayName_ = value;
+      bitField0_ |= 0x00000080;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The display name of the RagFile.
+     * The name can be up to 128 characters long and can consist of any UTF-8
+     * characters.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDisplayName() {
+      displayName_ = getDefaultInstance().getDisplayName();
+      bitField0_ = (bitField0_ & ~0x00000080);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The display name of the RagFile.
+     * The name can be up to 128 characters long and can consist of any UTF-8
+     * characters.
+     * </pre>
+     *
+     * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The bytes for displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      displayName_ = value;
+      bitField0_ |= 0x00000080;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object description_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The description of the RagFile.
+     * </pre>
+     *
+     * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The description.
+     */
+    public java.lang.String getDescription() {
+      java.lang.Object ref = description_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        description_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The description of the RagFile.
+     * </pre>
+     *
+     * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for description.
+     */
+    public com.google.protobuf.ByteString getDescriptionBytes() {
+      java.lang.Object ref = description_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        description_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The description of the RagFile.
+     * </pre>
+     *
+     * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The description to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDescription(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      description_ = value;
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The description of the RagFile.
+     * </pre>
+     *
+     * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDescription() {
+      description_ = getDefaultInstance().getDescription();
+      bitField0_ = (bitField0_ & ~0x00000100);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The description of the RagFile.
+     * </pre>
+     *
+     * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for description to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDescriptionBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      description_ = value;
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return this;
+    }
+
+    private com.google.protobuf.Timestamp createTime_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        createTimeBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the createTime field is set.
+     */
+    public boolean hasCreateTime() {
+      return ((bitField0_ & 0x00000200) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The createTime.
+     */
+    public com.google.protobuf.Timestamp getCreateTime() {
+      if (createTimeBuilder_ == null) {
+        return createTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : createTime_;
+      } else {
+        return createTimeBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCreateTime(com.google.protobuf.Timestamp value) {
+      if (createTimeBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        createTime_ = value;
+      } else {
+        createTimeBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000200;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCreateTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+      if (createTimeBuilder_ == null) {
+        createTime_ = builderForValue.build();
+      } else {
+        createTimeBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000200;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeCreateTime(com.google.protobuf.Timestamp value) {
+      if (createTimeBuilder_ == null) {
+        if (((bitField0_ & 0x00000200) != 0)
+            && createTime_ != null
+            && createTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
+          getCreateTimeBuilder().mergeFrom(value);
+        } else {
+          createTime_ = value;
+        }
+      } else {
+        createTimeBuilder_.mergeFrom(value);
+      }
+      if (createTime_ != null) {
+        bitField0_ |= 0x00000200;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearCreateTime() {
+      bitField0_ = (bitField0_ & ~0x00000200);
+      createTime_ = null;
+      if (createTimeBuilder_ != null) {
+        createTimeBuilder_.dispose();
+        createTimeBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
+      bitField0_ |= 0x00000200;
+      onChanged();
+      return internalGetCreateTimeFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
+      if (createTimeBuilder_ != null) {
+        return createTimeBuilder_.getMessageOrBuilder();
+      } else {
+        return createTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : createTime_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was created.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        internalGetCreateTimeFieldBuilder() {
+      if (createTimeBuilder_ == null) {
+        createTimeBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.Timestamp,
+                com.google.protobuf.Timestamp.Builder,
+                com.google.protobuf.TimestampOrBuilder>(
+                getCreateTime(), getParentForChildren(), isClean());
+        createTime_ = null;
+      }
+      return createTimeBuilder_;
+    }
+
+    private com.google.protobuf.Timestamp updateTime_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        updateTimeBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the updateTime field is set.
+     */
+    public boolean hasUpdateTime() {
+      return ((bitField0_ & 0x00000400) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The updateTime.
+     */
+    public com.google.protobuf.Timestamp getUpdateTime() {
+      if (updateTimeBuilder_ == null) {
+        return updateTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : updateTime_;
+      } else {
+        return updateTimeBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setUpdateTime(com.google.protobuf.Timestamp value) {
+      if (updateTimeBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        updateTime_ = value;
+      } else {
+        updateTimeBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000400;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setUpdateTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+      if (updateTimeBuilder_ == null) {
+        updateTime_ = builderForValue.build();
+      } else {
+        updateTimeBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000400;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeUpdateTime(com.google.protobuf.Timestamp value) {
+      if (updateTimeBuilder_ == null) {
+        if (((bitField0_ & 0x00000400) != 0)
+            && updateTime_ != null
+            && updateTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
+          getUpdateTimeBuilder().mergeFrom(value);
+        } else {
+          updateTime_ = value;
+        }
+      } else {
+        updateTimeBuilder_.mergeFrom(value);
+      }
+      if (updateTime_ != null) {
+        bitField0_ |= 0x00000400;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearUpdateTime() {
+      bitField0_ = (bitField0_ & ~0x00000400);
+      updateTime_ = null;
+      if (updateTimeBuilder_ != null) {
+        updateTimeBuilder_.dispose();
+        updateTimeBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.Timestamp.Builder getUpdateTimeBuilder() {
+      bitField0_ |= 0x00000400;
+      onChanged();
+      return internalGetUpdateTimeFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder() {
+      if (updateTimeBuilder_ != null) {
+        return updateTimeBuilder_.getMessageOrBuilder();
+      } else {
+        return updateTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : updateTime_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Timestamp when this RagFile was last updated.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Timestamp update_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        internalGetUpdateTimeFieldBuilder() {
+      if (updateTimeBuilder_ == null) {
+        updateTimeBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.Timestamp,
+                com.google.protobuf.Timestamp.Builder,
+                com.google.protobuf.TimestampOrBuilder>(
+                getUpdateTime(), getParentForChildren(), isClean());
+        updateTime_ = null;
+      }
+      return updateTimeBuilder_;
+    }
+
+    private com.google.cloud.vertexai.api.FileStatus fileStatus_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.FileStatus,
+            com.google.cloud.vertexai.api.FileStatus.Builder,
+            com.google.cloud.vertexai.api.FileStatusOrBuilder>
+        fileStatusBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. State of the RagFile.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.FileStatus file_status = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return Whether the fileStatus field is set.
+     */
+    public boolean hasFileStatus() {
+      return ((bitField0_ & 0x00000800) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. State of the RagFile.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.FileStatus file_status = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The fileStatus.
+     */
+    public com.google.cloud.vertexai.api.FileStatus getFileStatus() {
+      if (fileStatusBuilder_ == null) {
+        return fileStatus_ == null
+            ? com.google.cloud.vertexai.api.FileStatus.getDefaultInstance()
+            : fileStatus_;
+      } else {
+        return fileStatusBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. State of the RagFile.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.FileStatus file_status = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setFileStatus(com.google.cloud.vertexai.api.FileStatus value) {
+      if (fileStatusBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        fileStatus_ = value;
+      } else {
+        fileStatusBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000800;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. State of the RagFile.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.FileStatus file_status = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setFileStatus(com.google.cloud.vertexai.api.FileStatus.Builder builderForValue) {
+      if (fileStatusBuilder_ == null) {
+        fileStatus_ = builderForValue.build();
+      } else {
+        fileStatusBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000800;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. State of the RagFile.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.FileStatus file_status = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder mergeFileStatus(com.google.cloud.vertexai.api.FileStatus value) {
+      if (fileStatusBuilder_ == null) {
+        if (((bitField0_ & 0x00000800) != 0)
+            && fileStatus_ != null
+            && fileStatus_ != com.google.cloud.vertexai.api.FileStatus.getDefaultInstance()) {
+          getFileStatusBuilder().mergeFrom(value);
+        } else {
+          fileStatus_ = value;
+        }
+      } else {
+        fileStatusBuilder_.mergeFrom(value);
+      }
+      if (fileStatus_ != null) {
+        bitField0_ |= 0x00000800;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. State of the RagFile.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.FileStatus file_status = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearFileStatus() {
+      bitField0_ = (bitField0_ & ~0x00000800);
+      fileStatus_ = null;
+      if (fileStatusBuilder_ != null) {
+        fileStatusBuilder_.dispose();
+        fileStatusBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. State of the RagFile.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.FileStatus file_status = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.FileStatus.Builder getFileStatusBuilder() {
+      bitField0_ |= 0x00000800;
+      onChanged();
+      return internalGetFileStatusFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. State of the RagFile.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.FileStatus file_status = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.FileStatusOrBuilder getFileStatusOrBuilder() {
+      if (fileStatusBuilder_ != null) {
+        return fileStatusBuilder_.getMessageOrBuilder();
+      } else {
+        return fileStatus_ == null
+            ? com.google.cloud.vertexai.api.FileStatus.getDefaultInstance()
+            : fileStatus_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. State of the RagFile.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.FileStatus file_status = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.FileStatus,
+            com.google.cloud.vertexai.api.FileStatus.Builder,
+            com.google.cloud.vertexai.api.FileStatusOrBuilder>
+        internalGetFileStatusFieldBuilder() {
+      if (fileStatusBuilder_ == null) {
+        fileStatusBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.FileStatus,
+                com.google.cloud.vertexai.api.FileStatus.Builder,
+                com.google.cloud.vertexai.api.FileStatusOrBuilder>(
+                getFileStatus(), getParentForChildren(), isClean());
+        fileStatus_ = null;
+      }
+      return fileStatusBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagFile)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagFile)
+  private static final com.google.cloud.vertexai.api.RagFile DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagFile();
+  }
+
+  public static com.google.cloud.vertexai.api.RagFile getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<RagFile> PARSER =
+      new com.google.protobuf.AbstractParser<RagFile>() {
+        @java.lang.Override
+        public RagFile parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<RagFile> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<RagFile> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFile getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileChunkingConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileChunkingConfig.java
new file mode 100644
index 000000000000..6f08af99d567
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileChunkingConfig.java
@@ -0,0 +1,1477 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Specifies the size and overlap of chunks for RagFiles.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.RagFileChunkingConfig}
+ */
+@com.google.protobuf.Generated
+public final class RagFileChunkingConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagFileChunkingConfig)
+    RagFileChunkingConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "RagFileChunkingConfig");
+  }
+
+  // Use RagFileChunkingConfig.newBuilder() to construct.
+  private RagFileChunkingConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private RagFileChunkingConfig() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.RagFileChunkingConfig.class,
+            com.google.cloud.vertexai.api.RagFileChunkingConfig.Builder.class);
+  }
+
+  public interface FixedLengthChunkingOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * The size of the chunks.
+     * </pre>
+     *
+     * <code>int32 chunk_size = 1;</code>
+     *
+     * @return The chunkSize.
+     */
+    int getChunkSize();
+
+    /**
+     *
+     *
+     * <pre>
+     * The overlap between chunks.
+     * </pre>
+     *
+     * <code>int32 chunk_overlap = 2;</code>
+     *
+     * @return The chunkOverlap.
+     */
+    int getChunkOverlap();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the fixed length chunking config.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking}
+   */
+  public static final class FixedLengthChunking extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking)
+      FixedLengthChunkingOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "FixedLengthChunking");
+    }
+
+    // Use FixedLengthChunking.newBuilder() to construct.
+    private FixedLengthChunking(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private FixedLengthChunking() {}
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_FixedLengthChunking_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_FixedLengthChunking_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking.class,
+              com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking.Builder
+                  .class);
+    }
+
+    public static final int CHUNK_SIZE_FIELD_NUMBER = 1;
+    private int chunkSize_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * The size of the chunks.
+     * </pre>
+     *
+     * <code>int32 chunk_size = 1;</code>
+     *
+     * @return The chunkSize.
+     */
+    @java.lang.Override
+    public int getChunkSize() {
+      return chunkSize_;
+    }
+
+    public static final int CHUNK_OVERLAP_FIELD_NUMBER = 2;
+    private int chunkOverlap_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * The overlap between chunks.
+     * </pre>
+     *
+     * <code>int32 chunk_overlap = 2;</code>
+     *
+     * @return The chunkOverlap.
+     */
+    @java.lang.Override
+    public int getChunkOverlap() {
+      return chunkOverlap_;
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (chunkSize_ != 0) {
+        output.writeInt32(1, chunkSize_);
+      }
+      if (chunkOverlap_ != 0) {
+        output.writeInt32(2, chunkOverlap_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (chunkSize_ != 0) {
+        size += com.google.protobuf.CodedOutputStream.computeInt32Size(1, chunkSize_);
+      }
+      if (chunkOverlap_ != 0) {
+        size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, chunkOverlap_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj
+          instanceof com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking other =
+          (com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking) obj;
+
+      if (getChunkSize() != other.getChunkSize()) return false;
+      if (getChunkOverlap() != other.getChunkOverlap()) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + CHUNK_SIZE_FIELD_NUMBER;
+      hash = (53 * hash) + getChunkSize();
+      hash = (37 * hash) + CHUNK_OVERLAP_FIELD_NUMBER;
+      hash = (53 * hash) + getChunkOverlap();
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
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+    public static com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
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+    public static com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
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+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
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+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
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+    public static com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+        parseDelimitedFrom(
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+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
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+    public static com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
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+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
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+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
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+    /**
+     *
+     *
+     * <pre>
+     * Specifies the fixed length chunking config.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking}
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+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
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+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
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+      public Builder clear() {
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+        chunkSize_ = 0;
+        chunkOverlap_ = 0;
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+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_FixedLengthChunking_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+          getDefaultInstanceForType() {
+        return com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking build() {
+        com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking result =
+            buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+          buildPartial() {
+        com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking result =
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+        if (bitField0_ != 0) {
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+        onBuilt();
+        return result;
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+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other
+            instanceof com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking) {
+          return mergeFrom(
+              (com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking other) {
+        if (other
+            == com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+                .getDefaultInstance()) return this;
+        if (other.getChunkSize() != 0) {
+          setChunkSize(other.getChunkSize());
+        }
+        if (other.getChunkOverlap() != 0) {
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+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
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+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
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+                done = true;
+                break;
+              case 8:
+                {
+                  chunkSize_ = input.readInt32();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 8
+              case 16:
+                {
+                  chunkOverlap_ = input.readInt32();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 16
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
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+                  break;
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+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private int chunkSize_;
+
+      /**
+       *
+       *
+       * <pre>
+       * The size of the chunks.
+       * </pre>
+       *
+       * <code>int32 chunk_size = 1;</code>
+       *
+       * @return The chunkSize.
+       */
+      @java.lang.Override
+      public int getChunkSize() {
+        return chunkSize_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The size of the chunks.
+       * </pre>
+       *
+       * <code>int32 chunk_size = 1;</code>
+       *
+       * @param value The chunkSize to set.
+       * @return This builder for chaining.
+       */
+      public Builder setChunkSize(int value) {
+
+        chunkSize_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The size of the chunks.
+       * </pre>
+       *
+       * <code>int32 chunk_size = 1;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearChunkSize() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        chunkSize_ = 0;
+        onChanged();
+        return this;
+      }
+
+      private int chunkOverlap_;
+
+      /**
+       *
+       *
+       * <pre>
+       * The overlap between chunks.
+       * </pre>
+       *
+       * <code>int32 chunk_overlap = 2;</code>
+       *
+       * @return The chunkOverlap.
+       */
+      @java.lang.Override
+      public int getChunkOverlap() {
+        return chunkOverlap_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The overlap between chunks.
+       * </pre>
+       *
+       * <code>int32 chunk_overlap = 2;</code>
+       *
+       * @param value The chunkOverlap to set.
+       * @return This builder for chaining.
+       */
+      public Builder setChunkOverlap(int value) {
+
+        chunkOverlap_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The overlap between chunks.
+       * </pre>
+       *
+       * <code>int32 chunk_overlap = 2;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearChunkOverlap() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        chunkOverlap_ = 0;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking)
+    private static final com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE =
+          new com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking();
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<FixedLengthChunking> PARSER =
+        new com.google.protobuf.AbstractParser<FixedLengthChunking>() {
+          @java.lang.Override
+          public FixedLengthChunking parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<FixedLengthChunking> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<FixedLengthChunking> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  private int chunkingConfigCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object chunkingConfig_;
+
+  public enum ChunkingConfigCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    FIXED_LENGTH_CHUNKING(3),
+    CHUNKINGCONFIG_NOT_SET(0);
+    private final int value;
+
+    private ChunkingConfigCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static ChunkingConfigCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static ChunkingConfigCase forNumber(int value) {
+      switch (value) {
+        case 3:
+          return FIXED_LENGTH_CHUNKING;
+        case 0:
+          return CHUNKINGCONFIG_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public ChunkingConfigCase getChunkingConfigCase() {
+    return ChunkingConfigCase.forNumber(chunkingConfigCase_);
+  }
+
+  public static final int FIXED_LENGTH_CHUNKING_FIELD_NUMBER = 3;
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the fixed length chunking config.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+   * </code>
+   *
+   * @return Whether the fixedLengthChunking field is set.
+   */
+  @java.lang.Override
+  public boolean hasFixedLengthChunking() {
+    return chunkingConfigCase_ == 3;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the fixed length chunking config.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+   * </code>
+   *
+   * @return The fixedLengthChunking.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+      getFixedLengthChunking() {
+    if (chunkingConfigCase_ == 3) {
+      return (com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking)
+          chunkingConfig_;
+    }
+    return com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+        .getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the fixed length chunking config.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunkingOrBuilder
+      getFixedLengthChunkingOrBuilder() {
+    if (chunkingConfigCase_ == 3) {
+      return (com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking)
+          chunkingConfig_;
+    }
+    return com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+        .getDefaultInstance();
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (chunkingConfigCase_ == 3) {
+      output.writeMessage(
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+          (com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking)
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+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (chunkingConfigCase_ == 3) {
+      size +=
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+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.RagFileChunkingConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.RagFileChunkingConfig other =
+        (com.google.cloud.vertexai.api.RagFileChunkingConfig) obj;
+
+    if (!getChunkingConfigCase().equals(other.getChunkingConfigCase())) return false;
+    switch (chunkingConfigCase_) {
+      case 3:
+        if (!getFixedLengthChunking().equals(other.getFixedLengthChunking())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (chunkingConfigCase_) {
+      case 3:
+        hash = (37 * hash) + FIXED_LENGTH_CHUNKING_FIELD_NUMBER;
+        hash = (53 * hash) + getFixedLengthChunking().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileChunkingConfig parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileChunkingConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileChunkingConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileChunkingConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileChunkingConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileChunkingConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileChunkingConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileChunkingConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileChunkingConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileChunkingConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileChunkingConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileChunkingConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.RagFileChunkingConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the size and overlap of chunks for RagFiles.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagFileChunkingConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagFileChunkingConfig)
+      com.google.cloud.vertexai.api.RagFileChunkingConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagFileChunkingConfig.class,
+              com.google.cloud.vertexai.api.RagFileChunkingConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.RagFileChunkingConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (fixedLengthChunkingBuilder_ != null) {
+        fixedLengthChunkingBuilder_.clear();
+      }
+      chunkingConfigCase_ = 0;
+      chunkingConfig_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileChunkingConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.RagFileChunkingConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileChunkingConfig build() {
+      com.google.cloud.vertexai.api.RagFileChunkingConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileChunkingConfig buildPartial() {
+      com.google.cloud.vertexai.api.RagFileChunkingConfig result =
+          new com.google.cloud.vertexai.api.RagFileChunkingConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.RagFileChunkingConfig result) {
+      int from_bitField0_ = bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.vertexai.api.RagFileChunkingConfig result) {
+      result.chunkingConfigCase_ = chunkingConfigCase_;
+      result.chunkingConfig_ = this.chunkingConfig_;
+      if (chunkingConfigCase_ == 3 && fixedLengthChunkingBuilder_ != null) {
+        result.chunkingConfig_ = fixedLengthChunkingBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.RagFileChunkingConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.RagFileChunkingConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.RagFileChunkingConfig other) {
+      if (other == com.google.cloud.vertexai.api.RagFileChunkingConfig.getDefaultInstance())
+        return this;
+      switch (other.getChunkingConfigCase()) {
+        case FIXED_LENGTH_CHUNKING:
+          {
+            mergeFixedLengthChunking(other.getFixedLengthChunking());
+            break;
+          }
+        case CHUNKINGCONFIG_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 26:
+              {
+                input.readMessage(
+                    internalGetFixedLengthChunkingFieldBuilder().getBuilder(), extensionRegistry);
+                chunkingConfigCase_ = 3;
+                break;
+              } // case 26
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int chunkingConfigCase_ = 0;
+    private java.lang.Object chunkingConfig_;
+
+    public ChunkingConfigCase getChunkingConfigCase() {
+      return ChunkingConfigCase.forNumber(chunkingConfigCase_);
+    }
+
+    public Builder clearChunkingConfig() {
+      chunkingConfigCase_ = 0;
+      chunkingConfig_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking,
+            com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking.Builder,
+            com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunkingOrBuilder>
+        fixedLengthChunkingBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the fixed length chunking config.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+     * </code>
+     *
+     * @return Whether the fixedLengthChunking field is set.
+     */
+    @java.lang.Override
+    public boolean hasFixedLengthChunking() {
+      return chunkingConfigCase_ == 3;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the fixed length chunking config.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+     * </code>
+     *
+     * @return The fixedLengthChunking.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+        getFixedLengthChunking() {
+      if (fixedLengthChunkingBuilder_ == null) {
+        if (chunkingConfigCase_ == 3) {
+          return (com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking)
+              chunkingConfig_;
+        }
+        return com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+            .getDefaultInstance();
+      } else {
+        if (chunkingConfigCase_ == 3) {
+          return fixedLengthChunkingBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+            .getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the fixed length chunking config.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+     * </code>
+     */
+    public Builder setFixedLengthChunking(
+        com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking value) {
+      if (fixedLengthChunkingBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        chunkingConfig_ = value;
+        onChanged();
+      } else {
+        fixedLengthChunkingBuilder_.setMessage(value);
+      }
+      chunkingConfigCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the fixed length chunking config.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+     * </code>
+     */
+    public Builder setFixedLengthChunking(
+        com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking.Builder
+            builderForValue) {
+      if (fixedLengthChunkingBuilder_ == null) {
+        chunkingConfig_ = builderForValue.build();
+        onChanged();
+      } else {
+        fixedLengthChunkingBuilder_.setMessage(builderForValue.build());
+      }
+      chunkingConfigCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the fixed length chunking config.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+     * </code>
+     */
+    public Builder mergeFixedLengthChunking(
+        com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking value) {
+      if (fixedLengthChunkingBuilder_ == null) {
+        if (chunkingConfigCase_ == 3
+            && chunkingConfig_
+                != com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+                    .getDefaultInstance()) {
+          chunkingConfig_ =
+              com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking.newBuilder(
+                      (com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking)
+                          chunkingConfig_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          chunkingConfig_ = value;
+        }
+        onChanged();
+      } else {
+        if (chunkingConfigCase_ == 3) {
+          fixedLengthChunkingBuilder_.mergeFrom(value);
+        } else {
+          fixedLengthChunkingBuilder_.setMessage(value);
+        }
+      }
+      chunkingConfigCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the fixed length chunking config.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+     * </code>
+     */
+    public Builder clearFixedLengthChunking() {
+      if (fixedLengthChunkingBuilder_ == null) {
+        if (chunkingConfigCase_ == 3) {
+          chunkingConfigCase_ = 0;
+          chunkingConfig_ = null;
+          onChanged();
+        }
+      } else {
+        if (chunkingConfigCase_ == 3) {
+          chunkingConfigCase_ = 0;
+          chunkingConfig_ = null;
+        }
+        fixedLengthChunkingBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the fixed length chunking config.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking.Builder
+        getFixedLengthChunkingBuilder() {
+      return internalGetFixedLengthChunkingFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the fixed length chunking config.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunkingOrBuilder
+        getFixedLengthChunkingOrBuilder() {
+      if ((chunkingConfigCase_ == 3) && (fixedLengthChunkingBuilder_ != null)) {
+        return fixedLengthChunkingBuilder_.getMessageOrBuilder();
+      } else {
+        if (chunkingConfigCase_ == 3) {
+          return (com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking)
+              chunkingConfig_;
+        }
+        return com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+            .getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the fixed length chunking config.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking,
+            com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking.Builder,
+            com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunkingOrBuilder>
+        internalGetFixedLengthChunkingFieldBuilder() {
+      if (fixedLengthChunkingBuilder_ == null) {
+        if (!(chunkingConfigCase_ == 3)) {
+          chunkingConfig_ =
+              com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking
+                  .getDefaultInstance();
+        }
+        fixedLengthChunkingBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking,
+                com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking.Builder,
+                com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunkingOrBuilder>(
+                (com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking)
+                    chunkingConfig_,
+                getParentForChildren(),
+                isClean());
+        chunkingConfig_ = null;
+      }
+      chunkingConfigCase_ = 3;
+      onChanged();
+      return fixedLengthChunkingBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagFileChunkingConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagFileChunkingConfig)
+  private static final com.google.cloud.vertexai.api.RagFileChunkingConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagFileChunkingConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileChunkingConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<RagFileChunkingConfig> PARSER =
+      new com.google.protobuf.AbstractParser<RagFileChunkingConfig>() {
+        @java.lang.Override
+        public RagFileChunkingConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<RagFileChunkingConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<RagFileChunkingConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileChunkingConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileChunkingConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileChunkingConfigOrBuilder.java
new file mode 100644
index 000000000000..eda655831aac
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileChunkingConfigOrBuilder.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface RagFileChunkingConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagFileChunkingConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the fixed length chunking config.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+   * </code>
+   *
+   * @return Whether the fixedLengthChunking field is set.
+   */
+  boolean hasFixedLengthChunking();
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the fixed length chunking config.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+   * </code>
+   *
+   * @return The fixedLengthChunking.
+   */
+  com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunking getFixedLengthChunking();
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the fixed length chunking config.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagFileChunkingConfig.FixedLengthChunking fixed_length_chunking = 3;
+   * </code>
+   */
+  com.google.cloud.vertexai.api.RagFileChunkingConfig.FixedLengthChunkingOrBuilder
+      getFixedLengthChunkingOrBuilder();
+
+  com.google.cloud.vertexai.api.RagFileChunkingConfig.ChunkingConfigCase getChunkingConfigCase();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileOrBuilder.java
new file mode 100644
index 000000000000..1d0820923fd5
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileOrBuilder.java
@@ -0,0 +1,484 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface RagFileOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagFile)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Google Cloud Storage location of the RagFile.
+   * It does not support wildcards in the Cloud Storage uri for now.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the gcsSource field is set.
+   */
+  boolean hasGcsSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Google Cloud Storage location of the RagFile.
+   * It does not support wildcards in the Cloud Storage uri for now.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The gcsSource.
+   */
+  com.google.cloud.vertexai.api.GcsSource getGcsSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Google Cloud Storage location of the RagFile.
+   * It does not support wildcards in the Cloud Storage uri for now.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GcsSource gcs_source = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.GcsSourceOrBuilder getGcsSourceOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Google Drive location. Supports importing individual files
+   * as well as Google Drive folders.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the googleDriveSource field is set.
+   */
+  boolean hasGoogleDriveSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Google Drive location. Supports importing individual files
+   * as well as Google Drive folders.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The googleDriveSource.
+   */
+  com.google.cloud.vertexai.api.GoogleDriveSource getGoogleDriveSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Google Drive location. Supports importing individual files
+   * as well as Google Drive folders.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleDriveSource google_drive_source = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.GoogleDriveSourceOrBuilder getGoogleDriveSourceOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The RagFile is encapsulated and uploaded in the
+   * UploadRagFile request.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the directUploadSource field is set.
+   */
+  boolean hasDirectUploadSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The RagFile is encapsulated and uploaded in the
+   * UploadRagFile request.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The directUploadSource.
+   */
+  com.google.cloud.vertexai.api.DirectUploadSource getDirectUploadSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The RagFile is encapsulated and uploaded in the
+   * UploadRagFile request.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.DirectUploadSource direct_upload_source = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.DirectUploadSourceOrBuilder getDirectUploadSourceOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a Slack channel.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+   *
+   * @return Whether the slackSource field is set.
+   */
+  boolean hasSlackSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a Slack channel.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+   *
+   * @return The slackSource.
+   */
+  com.google.cloud.vertexai.api.SlackSource getSlackSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a Slack channel.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SlackSource slack_source = 11;</code>
+   */
+  com.google.cloud.vertexai.api.SlackSourceOrBuilder getSlackSourceOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a Jira query.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+   *
+   * @return Whether the jiraSource field is set.
+   */
+  boolean hasJiraSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a Jira query.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+   *
+   * @return The jiraSource.
+   */
+  com.google.cloud.vertexai.api.JiraSource getJiraSource();
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a Jira query.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.JiraSource jira_source = 12;</code>
+   */
+  com.google.cloud.vertexai.api.JiraSourceOrBuilder getJiraSourceOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a SharePoint source.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+   *
+   * @return Whether the sharePointSources field is set.
+   */
+  boolean hasSharePointSources();
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a SharePoint source.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+   *
+   * @return The sharePointSources.
+   */
+  com.google.cloud.vertexai.api.SharePointSources getSharePointSources();
+
+  /**
+   *
+   *
+   * <pre>
+   * The RagFile is imported from a SharePoint source.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.SharePointSources share_point_sources = 14;</code>
+   */
+  com.google.cloud.vertexai.api.SharePointSourcesOrBuilder getSharePointSourcesOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the RagFile.
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The resource name of the RagFile.
+   * </pre>
+   *
+   * <code>string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The display name of the RagFile.
+   * The name can be up to 128 characters long and can consist of any UTF-8
+   * characters.
+   * </pre>
+   *
+   * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The displayName.
+   */
+  java.lang.String getDisplayName();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The display name of the RagFile.
+   * The name can be up to 128 characters long and can consist of any UTF-8
+   * characters.
+   * </pre>
+   *
+   * <code>string display_name = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for displayName.
+   */
+  com.google.protobuf.ByteString getDisplayNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The description of the RagFile.
+   * </pre>
+   *
+   * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The description.
+   */
+  java.lang.String getDescription();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The description of the RagFile.
+   * </pre>
+   *
+   * <code>string description = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for description.
+   */
+  com.google.protobuf.ByteString getDescriptionBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagFile was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the createTime field is set.
+   */
+  boolean hasCreateTime();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagFile was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The createTime.
+   */
+  com.google.protobuf.Timestamp getCreateTime();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagFile was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagFile was last updated.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp update_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the updateTime field is set.
+   */
+  boolean hasUpdateTime();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagFile was last updated.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp update_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The updateTime.
+   */
+  com.google.protobuf.Timestamp getUpdateTime();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Timestamp when this RagFile was last updated.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp update_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.protobuf.TimestampOrBuilder getUpdateTimeOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. State of the RagFile.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.FileStatus file_status = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return Whether the fileStatus field is set.
+   */
+  boolean hasFileStatus();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. State of the RagFile.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.FileStatus file_status = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The fileStatus.
+   */
+  com.google.cloud.vertexai.api.FileStatus getFileStatus();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. State of the RagFile.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.FileStatus file_status = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.FileStatusOrBuilder getFileStatusOrBuilder();
+
+  com.google.cloud.vertexai.api.RagFile.RagFileSourceCase getRagFileSourceCase();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileParsingConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileParsingConfig.java
new file mode 100644
index 000000000000..f13ad6f27453
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileParsingConfig.java
@@ -0,0 +1,2901 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Specifies the parsing config for RagFiles.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.RagFileParsingConfig}
+ */
+@com.google.protobuf.Generated
+public final class RagFileParsingConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagFileParsingConfig)
+    RagFileParsingConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "RagFileParsingConfig");
+  }
+
+  // Use RagFileParsingConfig.newBuilder() to construct.
+  private RagFileParsingConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private RagFileParsingConfig() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.RagFileParsingConfig.class,
+            com.google.cloud.vertexai.api.RagFileParsingConfig.Builder.class);
+  }
+
+  public interface LayoutParserOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * The full resource name of a Document AI processor or processor version.
+     * The processor must have type `LAYOUT_PARSER_PROCESSOR`. If specified, the
+     * `additional_config.parse_as_scanned_pdf` field must be false.
+     * Format:
+     * * `projects/{project_id}/locations/{location}/processors/{processor_id}`
+     * * `projects/{project_id}/locations/{location}/processors/{processor_id}/processorVersions/{processor_version_id}`
+     * </pre>
+     *
+     * <code>string processor_name = 1;</code>
+     *
+     * @return The processorName.
+     */
+    java.lang.String getProcessorName();
+
+    /**
+     *
+     *
+     * <pre>
+     * The full resource name of a Document AI processor or processor version.
+     * The processor must have type `LAYOUT_PARSER_PROCESSOR`. If specified, the
+     * `additional_config.parse_as_scanned_pdf` field must be false.
+     * Format:
+     * * `projects/{project_id}/locations/{location}/processors/{processor_id}`
+     * * `projects/{project_id}/locations/{location}/processors/{processor_id}/processorVersions/{processor_version_id}`
+     * </pre>
+     *
+     * <code>string processor_name = 1;</code>
+     *
+     * @return The bytes for processorName.
+     */
+    com.google.protobuf.ByteString getProcessorNameBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * The maximum number of requests the job is allowed to make to the Document
+     * AI processor per minute. Consult
+     * https://cloud.google.com/document-ai/quotas and the Quota page for your
+     * project to set an appropriate value here. If unspecified, a default value
+     * of 120 QPM would be used.
+     * </pre>
+     *
+     * <code>int32 max_parsing_requests_per_min = 2;</code>
+     *
+     * @return The maxParsingRequestsPerMin.
+     */
+    int getMaxParsingRequestsPerMin();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Document AI Layout Parser config.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser}
+   */
+  public static final class LayoutParser extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser)
+      LayoutParserOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "LayoutParser");
+    }
+
+    // Use LayoutParser.newBuilder() to construct.
+    private LayoutParser(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private LayoutParser() {
+      processorName_ = "";
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LayoutParser_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LayoutParser_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.class,
+              com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.Builder.class);
+    }
+
+    public static final int PROCESSOR_NAME_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object processorName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * The full resource name of a Document AI processor or processor version.
+     * The processor must have type `LAYOUT_PARSER_PROCESSOR`. If specified, the
+     * `additional_config.parse_as_scanned_pdf` field must be false.
+     * Format:
+     * * `projects/{project_id}/locations/{location}/processors/{processor_id}`
+     * * `projects/{project_id}/locations/{location}/processors/{processor_id}/processorVersions/{processor_version_id}`
+     * </pre>
+     *
+     * <code>string processor_name = 1;</code>
+     *
+     * @return The processorName.
+     */
+    @java.lang.Override
+    public java.lang.String getProcessorName() {
+      java.lang.Object ref = processorName_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        processorName_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The full resource name of a Document AI processor or processor version.
+     * The processor must have type `LAYOUT_PARSER_PROCESSOR`. If specified, the
+     * `additional_config.parse_as_scanned_pdf` field must be false.
+     * Format:
+     * * `projects/{project_id}/locations/{location}/processors/{processor_id}`
+     * * `projects/{project_id}/locations/{location}/processors/{processor_id}/processorVersions/{processor_version_id}`
+     * </pre>
+     *
+     * <code>string processor_name = 1;</code>
+     *
+     * @return The bytes for processorName.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getProcessorNameBytes() {
+      java.lang.Object ref = processorName_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        processorName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int MAX_PARSING_REQUESTS_PER_MIN_FIELD_NUMBER = 2;
+    private int maxParsingRequestsPerMin_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * The maximum number of requests the job is allowed to make to the Document
+     * AI processor per minute. Consult
+     * https://cloud.google.com/document-ai/quotas and the Quota page for your
+     * project to set an appropriate value here. If unspecified, a default value
+     * of 120 QPM would be used.
+     * </pre>
+     *
+     * <code>int32 max_parsing_requests_per_min = 2;</code>
+     *
+     * @return The maxParsingRequestsPerMin.
+     */
+    @java.lang.Override
+    public int getMaxParsingRequestsPerMin() {
+      return maxParsingRequestsPerMin_;
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(processorName_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, processorName_);
+      }
+      if (maxParsingRequestsPerMin_ != 0) {
+        output.writeInt32(2, maxParsingRequestsPerMin_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(processorName_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, processorName_);
+      }
+      if (maxParsingRequestsPerMin_ != 0) {
+        size +=
+            com.google.protobuf.CodedOutputStream.computeInt32Size(2, maxParsingRequestsPerMin_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser other =
+          (com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser) obj;
+
+      if (!getProcessorName().equals(other.getProcessorName())) return false;
+      if (getMaxParsingRequestsPerMin() != other.getMaxParsingRequestsPerMin()) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + PROCESSOR_NAME_FIELD_NUMBER;
+      hash = (53 * hash) + getProcessorName().hashCode();
+      hash = (37 * hash) + MAX_PARSING_REQUESTS_PER_MIN_FIELD_NUMBER;
+      hash = (53 * hash) + getMaxParsingRequestsPerMin();
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Document AI Layout Parser config.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser)
+        com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParserOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LayoutParser_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LayoutParser_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.class,
+                com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.Builder.class);
+      }
+
+      // Construct using
+      // com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        processorName_ = "";
+        maxParsingRequestsPerMin_ = 0;
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LayoutParser_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser
+          getDefaultInstanceForType() {
+        return com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser build() {
+        com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser buildPartial() {
+        com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser result =
+            new com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.processorName_ = processorName_;
+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.maxParsingRequestsPerMin_ = maxParsingRequestsPerMin_;
+        }
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser) {
+          return mergeFrom((com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser other) {
+        if (other
+            == com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.getDefaultInstance())
+          return this;
+        if (!other.getProcessorName().isEmpty()) {
+          processorName_ = other.processorName_;
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        if (other.getMaxParsingRequestsPerMin() != 0) {
+          setMaxParsingRequestsPerMin(other.getMaxParsingRequestsPerMin());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  processorName_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 10
+              case 16:
+                {
+                  maxParsingRequestsPerMin_ = input.readInt32();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 16
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
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+                  break;
+                } // default:
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+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.lang.Object processorName_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * The full resource name of a Document AI processor or processor version.
+       * The processor must have type `LAYOUT_PARSER_PROCESSOR`. If specified, the
+       * `additional_config.parse_as_scanned_pdf` field must be false.
+       * Format:
+       * * `projects/{project_id}/locations/{location}/processors/{processor_id}`
+       * * `projects/{project_id}/locations/{location}/processors/{processor_id}/processorVersions/{processor_version_id}`
+       * </pre>
+       *
+       * <code>string processor_name = 1;</code>
+       *
+       * @return The processorName.
+       */
+      public java.lang.String getProcessorName() {
+        java.lang.Object ref = processorName_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          processorName_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The full resource name of a Document AI processor or processor version.
+       * The processor must have type `LAYOUT_PARSER_PROCESSOR`. If specified, the
+       * `additional_config.parse_as_scanned_pdf` field must be false.
+       * Format:
+       * * `projects/{project_id}/locations/{location}/processors/{processor_id}`
+       * * `projects/{project_id}/locations/{location}/processors/{processor_id}/processorVersions/{processor_version_id}`
+       * </pre>
+       *
+       * <code>string processor_name = 1;</code>
+       *
+       * @return The bytes for processorName.
+       */
+      public com.google.protobuf.ByteString getProcessorNameBytes() {
+        java.lang.Object ref = processorName_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          processorName_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The full resource name of a Document AI processor or processor version.
+       * The processor must have type `LAYOUT_PARSER_PROCESSOR`. If specified, the
+       * `additional_config.parse_as_scanned_pdf` field must be false.
+       * Format:
+       * * `projects/{project_id}/locations/{location}/processors/{processor_id}`
+       * * `projects/{project_id}/locations/{location}/processors/{processor_id}/processorVersions/{processor_version_id}`
+       * </pre>
+       *
+       * <code>string processor_name = 1;</code>
+       *
+       * @param value The processorName to set.
+       * @return This builder for chaining.
+       */
+      public Builder setProcessorName(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        processorName_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The full resource name of a Document AI processor or processor version.
+       * The processor must have type `LAYOUT_PARSER_PROCESSOR`. If specified, the
+       * `additional_config.parse_as_scanned_pdf` field must be false.
+       * Format:
+       * * `projects/{project_id}/locations/{location}/processors/{processor_id}`
+       * * `projects/{project_id}/locations/{location}/processors/{processor_id}/processorVersions/{processor_version_id}`
+       * </pre>
+       *
+       * <code>string processor_name = 1;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearProcessorName() {
+        processorName_ = getDefaultInstance().getProcessorName();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The full resource name of a Document AI processor or processor version.
+       * The processor must have type `LAYOUT_PARSER_PROCESSOR`. If specified, the
+       * `additional_config.parse_as_scanned_pdf` field must be false.
+       * Format:
+       * * `projects/{project_id}/locations/{location}/processors/{processor_id}`
+       * * `projects/{project_id}/locations/{location}/processors/{processor_id}/processorVersions/{processor_version_id}`
+       * </pre>
+       *
+       * <code>string processor_name = 1;</code>
+       *
+       * @param value The bytes for processorName to set.
+       * @return This builder for chaining.
+       */
+      public Builder setProcessorNameBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        processorName_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      private int maxParsingRequestsPerMin_;
+
+      /**
+       *
+       *
+       * <pre>
+       * The maximum number of requests the job is allowed to make to the Document
+       * AI processor per minute. Consult
+       * https://cloud.google.com/document-ai/quotas and the Quota page for your
+       * project to set an appropriate value here. If unspecified, a default value
+       * of 120 QPM would be used.
+       * </pre>
+       *
+       * <code>int32 max_parsing_requests_per_min = 2;</code>
+       *
+       * @return The maxParsingRequestsPerMin.
+       */
+      @java.lang.Override
+      public int getMaxParsingRequestsPerMin() {
+        return maxParsingRequestsPerMin_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The maximum number of requests the job is allowed to make to the Document
+       * AI processor per minute. Consult
+       * https://cloud.google.com/document-ai/quotas and the Quota page for your
+       * project to set an appropriate value here. If unspecified, a default value
+       * of 120 QPM would be used.
+       * </pre>
+       *
+       * <code>int32 max_parsing_requests_per_min = 2;</code>
+       *
+       * @param value The maxParsingRequestsPerMin to set.
+       * @return This builder for chaining.
+       */
+      public Builder setMaxParsingRequestsPerMin(int value) {
+
+        maxParsingRequestsPerMin_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The maximum number of requests the job is allowed to make to the Document
+       * AI processor per minute. Consult
+       * https://cloud.google.com/document-ai/quotas and the Quota page for your
+       * project to set an appropriate value here. If unspecified, a default value
+       * of 120 QPM would be used.
+       * </pre>
+       *
+       * <code>int32 max_parsing_requests_per_min = 2;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearMaxParsingRequestsPerMin() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        maxParsingRequestsPerMin_ = 0;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser)
+    private static final com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser();
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<LayoutParser> PARSER =
+        new com.google.protobuf.AbstractParser<LayoutParser>() {
+          @java.lang.Override
+          public LayoutParser parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<LayoutParser> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<LayoutParser> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface LlmParserOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * The name of a LLM model used for parsing.
+     * Format:
+     * * `projects/{project_id}/locations/{location}/publishers/{publisher}/models/{model}`
+     * </pre>
+     *
+     * <code>string model_name = 1;</code>
+     *
+     * @return The modelName.
+     */
+    java.lang.String getModelName();
+
+    /**
+     *
+     *
+     * <pre>
+     * The name of a LLM model used for parsing.
+     * Format:
+     * * `projects/{project_id}/locations/{location}/publishers/{publisher}/models/{model}`
+     * </pre>
+     *
+     * <code>string model_name = 1;</code>
+     *
+     * @return The bytes for modelName.
+     */
+    com.google.protobuf.ByteString getModelNameBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * The maximum number of requests the job is allowed to make to the
+     * LLM model per minute. Consult
+     * https://cloud.google.com/vertex-ai/generative-ai/docs/quotas
+     * and your document size to set an appropriate value here. If unspecified,
+     * a default value of 5000 QPM would be used.
+     * </pre>
+     *
+     * <code>int32 max_parsing_requests_per_min = 2;</code>
+     *
+     * @return The maxParsingRequestsPerMin.
+     */
+    int getMaxParsingRequestsPerMin();
+
+    /**
+     *
+     *
+     * <pre>
+     * The prompt to use for parsing. If not specified, a default prompt will
+     * be used.
+     * </pre>
+     *
+     * <code>string custom_parsing_prompt = 3;</code>
+     *
+     * @return The customParsingPrompt.
+     */
+    java.lang.String getCustomParsingPrompt();
+
+    /**
+     *
+     *
+     * <pre>
+     * The prompt to use for parsing. If not specified, a default prompt will
+     * be used.
+     * </pre>
+     *
+     * <code>string custom_parsing_prompt = 3;</code>
+     *
+     * @return The bytes for customParsingPrompt.
+     */
+    com.google.protobuf.ByteString getCustomParsingPromptBytes();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the advanced parsing for RagFiles.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser}
+   */
+  public static final class LlmParser extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser)
+      LlmParserOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "LlmParser");
+    }
+
+    // Use LlmParser.newBuilder() to construct.
+    private LlmParser(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private LlmParser() {
+      modelName_ = "";
+      customParsingPrompt_ = "";
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LlmParser_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LlmParser_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.class,
+              com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.Builder.class);
+    }
+
+    public static final int MODEL_NAME_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object modelName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * The name of a LLM model used for parsing.
+     * Format:
+     * * `projects/{project_id}/locations/{location}/publishers/{publisher}/models/{model}`
+     * </pre>
+     *
+     * <code>string model_name = 1;</code>
+     *
+     * @return The modelName.
+     */
+    @java.lang.Override
+    public java.lang.String getModelName() {
+      java.lang.Object ref = modelName_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        modelName_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The name of a LLM model used for parsing.
+     * Format:
+     * * `projects/{project_id}/locations/{location}/publishers/{publisher}/models/{model}`
+     * </pre>
+     *
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+     *
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+    public com.google.protobuf.ByteString getModelNameBytes() {
+      java.lang.Object ref = modelName_;
+      if (ref instanceof java.lang.String) {
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+        modelName_ = b;
+        return b;
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+
+    /**
+     *
+     *
+     * <pre>
+     * The maximum number of requests the job is allowed to make to the
+     * LLM model per minute. Consult
+     * https://cloud.google.com/vertex-ai/generative-ai/docs/quotas
+     * and your document size to set an appropriate value here. If unspecified,
+     * a default value of 5000 QPM would be used.
+     * </pre>
+     *
+     * <code>int32 max_parsing_requests_per_min = 2;</code>
+     *
+     * @return The maxParsingRequestsPerMin.
+     */
+    @java.lang.Override
+    public int getMaxParsingRequestsPerMin() {
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+
+    /**
+     *
+     *
+     * <pre>
+     * The prompt to use for parsing. If not specified, a default prompt will
+     * be used.
+     * </pre>
+     *
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+     *
+     * @return The customParsingPrompt.
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+    public java.lang.String getCustomParsingPrompt() {
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+        customParsingPrompt_ = s;
+        return s;
+      }
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+
+    /**
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+     *
+     * <pre>
+     * The prompt to use for parsing. If not specified, a default prompt will
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+     * </pre>
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+     *
+     * @return The bytes for customParsingPrompt.
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+    public com.google.protobuf.ByteString getCustomParsingPromptBytes() {
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+      if (isInitialized == 0) return false;
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+      memoizedIsInitialized = 1;
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+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(customParsingPrompt_)) {
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+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser other =
+          (com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser) obj;
+
+      if (!getModelName().equals(other.getModelName())) return false;
+      if (getMaxParsingRequestsPerMin() != other.getMaxParsingRequestsPerMin()) return false;
+      if (!getCustomParsingPrompt().equals(other.getCustomParsingPrompt())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + MODEL_NAME_FIELD_NUMBER;
+      hash = (53 * hash) + getModelName().hashCode();
+      hash = (37 * hash) + MAX_PARSING_REQUESTS_PER_MIN_FIELD_NUMBER;
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+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser parseDelimitedFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the advanced parsing for RagFiles.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser)
+        com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParserOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LlmParser_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
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+            .ensureFieldAccessorsInitialized(
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+                com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.Builder.class);
+      }
+
+      // Construct using com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        modelName_ = "";
+        maxParsingRequestsPerMin_ = 0;
+        customParsingPrompt_ = "";
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LlmParser_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser
+          getDefaultInstanceForType() {
+        return com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser build() {
+        com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser buildPartial() {
+        com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser result =
+            new com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
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+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.maxParsingRequestsPerMin_ = maxParsingRequestsPerMin_;
+        }
+        if (((from_bitField0_ & 0x00000004) != 0)) {
+          result.customParsingPrompt_ = customParsingPrompt_;
+        }
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser) {
+          return mergeFrom((com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser other) {
+        if (other
+            == com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.getDefaultInstance())
+          return this;
+        if (!other.getModelName().isEmpty()) {
+          modelName_ = other.modelName_;
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        if (other.getMaxParsingRequestsPerMin() != 0) {
+          setMaxParsingRequestsPerMin(other.getMaxParsingRequestsPerMin());
+        }
+        if (!other.getCustomParsingPrompt().isEmpty()) {
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+          bitField0_ |= 0x00000004;
+          onChanged();
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
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+          while (!done) {
+            int tag = input.readTag();
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+                break;
+              case 10:
+                {
+                  modelName_ = input.readStringRequireUtf8();
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+                  break;
+                } // case 10
+              case 16:
+                {
+                  maxParsingRequestsPerMin_ = input.readInt32();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 16
+              case 26:
+                {
+                  customParsingPrompt_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000004;
+                  break;
+                } // case 26
+              default:
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+                  break;
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+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.lang.Object modelName_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * The name of a LLM model used for parsing.
+       * Format:
+       * * `projects/{project_id}/locations/{location}/publishers/{publisher}/models/{model}`
+       * </pre>
+       *
+       * <code>string model_name = 1;</code>
+       *
+       * @return The modelName.
+       */
+      public java.lang.String getModelName() {
+        java.lang.Object ref = modelName_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          modelName_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The name of a LLM model used for parsing.
+       * Format:
+       * * `projects/{project_id}/locations/{location}/publishers/{publisher}/models/{model}`
+       * </pre>
+       *
+       * <code>string model_name = 1;</code>
+       *
+       * @return The bytes for modelName.
+       */
+      public com.google.protobuf.ByteString getModelNameBytes() {
+        java.lang.Object ref = modelName_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          modelName_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The name of a LLM model used for parsing.
+       * Format:
+       * * `projects/{project_id}/locations/{location}/publishers/{publisher}/models/{model}`
+       * </pre>
+       *
+       * <code>string model_name = 1;</code>
+       *
+       * @param value The modelName to set.
+       * @return This builder for chaining.
+       */
+      public Builder setModelName(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        modelName_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The name of a LLM model used for parsing.
+       * Format:
+       * * `projects/{project_id}/locations/{location}/publishers/{publisher}/models/{model}`
+       * </pre>
+       *
+       * <code>string model_name = 1;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearModelName() {
+        modelName_ = getDefaultInstance().getModelName();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The name of a LLM model used for parsing.
+       * Format:
+       * * `projects/{project_id}/locations/{location}/publishers/{publisher}/models/{model}`
+       * </pre>
+       *
+       * <code>string model_name = 1;</code>
+       *
+       * @param value The bytes for modelName to set.
+       * @return This builder for chaining.
+       */
+      public Builder setModelNameBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        modelName_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      private int maxParsingRequestsPerMin_;
+
+      /**
+       *
+       *
+       * <pre>
+       * The maximum number of requests the job is allowed to make to the
+       * LLM model per minute. Consult
+       * https://cloud.google.com/vertex-ai/generative-ai/docs/quotas
+       * and your document size to set an appropriate value here. If unspecified,
+       * a default value of 5000 QPM would be used.
+       * </pre>
+       *
+       * <code>int32 max_parsing_requests_per_min = 2;</code>
+       *
+       * @return The maxParsingRequestsPerMin.
+       */
+      @java.lang.Override
+      public int getMaxParsingRequestsPerMin() {
+        return maxParsingRequestsPerMin_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The maximum number of requests the job is allowed to make to the
+       * LLM model per minute. Consult
+       * https://cloud.google.com/vertex-ai/generative-ai/docs/quotas
+       * and your document size to set an appropriate value here. If unspecified,
+       * a default value of 5000 QPM would be used.
+       * </pre>
+       *
+       * <code>int32 max_parsing_requests_per_min = 2;</code>
+       *
+       * @param value The maxParsingRequestsPerMin to set.
+       * @return This builder for chaining.
+       */
+      public Builder setMaxParsingRequestsPerMin(int value) {
+
+        maxParsingRequestsPerMin_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The maximum number of requests the job is allowed to make to the
+       * LLM model per minute. Consult
+       * https://cloud.google.com/vertex-ai/generative-ai/docs/quotas
+       * and your document size to set an appropriate value here. If unspecified,
+       * a default value of 5000 QPM would be used.
+       * </pre>
+       *
+       * <code>int32 max_parsing_requests_per_min = 2;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearMaxParsingRequestsPerMin() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        maxParsingRequestsPerMin_ = 0;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object customParsingPrompt_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * The prompt to use for parsing. If not specified, a default prompt will
+       * be used.
+       * </pre>
+       *
+       * <code>string custom_parsing_prompt = 3;</code>
+       *
+       * @return The customParsingPrompt.
+       */
+      public java.lang.String getCustomParsingPrompt() {
+        java.lang.Object ref = customParsingPrompt_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          customParsingPrompt_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The prompt to use for parsing. If not specified, a default prompt will
+       * be used.
+       * </pre>
+       *
+       * <code>string custom_parsing_prompt = 3;</code>
+       *
+       * @return The bytes for customParsingPrompt.
+       */
+      public com.google.protobuf.ByteString getCustomParsingPromptBytes() {
+        java.lang.Object ref = customParsingPrompt_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          customParsingPrompt_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The prompt to use for parsing. If not specified, a default prompt will
+       * be used.
+       * </pre>
+       *
+       * <code>string custom_parsing_prompt = 3;</code>
+       *
+       * @param value The customParsingPrompt to set.
+       * @return This builder for chaining.
+       */
+      public Builder setCustomParsingPrompt(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        customParsingPrompt_ = value;
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The prompt to use for parsing. If not specified, a default prompt will
+       * be used.
+       * </pre>
+       *
+       * <code>string custom_parsing_prompt = 3;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearCustomParsingPrompt() {
+        customParsingPrompt_ = getDefaultInstance().getCustomParsingPrompt();
+        bitField0_ = (bitField0_ & ~0x00000004);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The prompt to use for parsing. If not specified, a default prompt will
+       * be used.
+       * </pre>
+       *
+       * <code>string custom_parsing_prompt = 3;</code>
+       *
+       * @param value The bytes for customParsingPrompt to set.
+       * @return This builder for chaining.
+       */
+      public Builder setCustomParsingPromptBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        customParsingPrompt_ = value;
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser)
+    private static final com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser();
+    }
+
+    public static com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<LlmParser> PARSER =
+        new com.google.protobuf.AbstractParser<LlmParser>() {
+          @java.lang.Override
+          public LlmParser parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<LlmParser> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<LlmParser> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  private int parserCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object parser_;
+
+  public enum ParserCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    LAYOUT_PARSER(4),
+    LLM_PARSER(5),
+    PARSER_NOT_SET(0);
+    private final int value;
+
+    private ParserCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static ParserCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static ParserCase forNumber(int value) {
+      switch (value) {
+        case 4:
+          return LAYOUT_PARSER;
+        case 5:
+          return LLM_PARSER;
+        case 0:
+          return PARSER_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public ParserCase getParserCase() {
+    return ParserCase.forNumber(parserCase_);
+  }
+
+  public static final int LAYOUT_PARSER_FIELD_NUMBER = 4;
+
+  /**
+   *
+   *
+   * <pre>
+   * The Layout Parser to use for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+   *
+   * @return Whether the layoutParser field is set.
+   */
+  @java.lang.Override
+  public boolean hasLayoutParser() {
+    return parserCase_ == 4;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The Layout Parser to use for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+   *
+   * @return The layoutParser.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser getLayoutParser() {
+    if (parserCase_ == 4) {
+      return (com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser) parser_;
+    }
+    return com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The Layout Parser to use for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParserOrBuilder
+      getLayoutParserOrBuilder() {
+    if (parserCase_ == 4) {
+      return (com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser) parser_;
+    }
+    return com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.getDefaultInstance();
+  }
+
+  public static final int LLM_PARSER_FIELD_NUMBER = 5;
+
+  /**
+   *
+   *
+   * <pre>
+   * The LLM Parser to use for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+   *
+   * @return Whether the llmParser field is set.
+   */
+  @java.lang.Override
+  public boolean hasLlmParser() {
+    return parserCase_ == 5;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The LLM Parser to use for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+   *
+   * @return The llmParser.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser getLlmParser() {
+    if (parserCase_ == 5) {
+      return (com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser) parser_;
+    }
+    return com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The LLM Parser to use for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParserOrBuilder
+      getLlmParserOrBuilder() {
+    if (parserCase_ == 5) {
+      return (com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser) parser_;
+    }
+    return com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.getDefaultInstance();
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (parserCase_ == 4) {
+      output.writeMessage(
+          4, (com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser) parser_);
+    }
+    if (parserCase_ == 5) {
+      output.writeMessage(
+          5, (com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser) parser_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (parserCase_ == 4) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              4, (com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser) parser_);
+    }
+    if (parserCase_ == 5) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              5, (com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser) parser_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.RagFileParsingConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.RagFileParsingConfig other =
+        (com.google.cloud.vertexai.api.RagFileParsingConfig) obj;
+
+    if (!getParserCase().equals(other.getParserCase())) return false;
+    switch (parserCase_) {
+      case 4:
+        if (!getLayoutParser().equals(other.getLayoutParser())) return false;
+        break;
+      case 5:
+        if (!getLlmParser().equals(other.getLlmParser())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (parserCase_) {
+      case 4:
+        hash = (37 * hash) + LAYOUT_PARSER_FIELD_NUMBER;
+        hash = (53 * hash) + getLayoutParser().hashCode();
+        break;
+      case 5:
+        hash = (37 * hash) + LLM_PARSER_FIELD_NUMBER;
+        hash = (53 * hash) + getLlmParser().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileParsingConfig parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileParsingConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileParsingConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileParsingConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileParsingConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileParsingConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileParsingConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileParsingConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileParsingConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileParsingConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileParsingConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileParsingConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.RagFileParsingConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the parsing config for RagFiles.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagFileParsingConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagFileParsingConfig)
+      com.google.cloud.vertexai.api.RagFileParsingConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagFileParsingConfig.class,
+              com.google.cloud.vertexai.api.RagFileParsingConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.RagFileParsingConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (layoutParserBuilder_ != null) {
+        layoutParserBuilder_.clear();
+      }
+      if (llmParserBuilder_ != null) {
+        llmParserBuilder_.clear();
+      }
+      parserCase_ = 0;
+      parser_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileParsingConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.RagFileParsingConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileParsingConfig build() {
+      com.google.cloud.vertexai.api.RagFileParsingConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileParsingConfig buildPartial() {
+      com.google.cloud.vertexai.api.RagFileParsingConfig result =
+          new com.google.cloud.vertexai.api.RagFileParsingConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.RagFileParsingConfig result) {
+      int from_bitField0_ = bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.vertexai.api.RagFileParsingConfig result) {
+      result.parserCase_ = parserCase_;
+      result.parser_ = this.parser_;
+      if (parserCase_ == 4 && layoutParserBuilder_ != null) {
+        result.parser_ = layoutParserBuilder_.build();
+      }
+      if (parserCase_ == 5 && llmParserBuilder_ != null) {
+        result.parser_ = llmParserBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.RagFileParsingConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.RagFileParsingConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.RagFileParsingConfig other) {
+      if (other == com.google.cloud.vertexai.api.RagFileParsingConfig.getDefaultInstance())
+        return this;
+      switch (other.getParserCase()) {
+        case LAYOUT_PARSER:
+          {
+            mergeLayoutParser(other.getLayoutParser());
+            break;
+          }
+        case LLM_PARSER:
+          {
+            mergeLlmParser(other.getLlmParser());
+            break;
+          }
+        case PARSER_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 34:
+              {
+                input.readMessage(
+                    internalGetLayoutParserFieldBuilder().getBuilder(), extensionRegistry);
+                parserCase_ = 4;
+                break;
+              } // case 34
+            case 42:
+              {
+                input.readMessage(
+                    internalGetLlmParserFieldBuilder().getBuilder(), extensionRegistry);
+                parserCase_ = 5;
+                break;
+              } // case 42
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int parserCase_ = 0;
+    private java.lang.Object parser_;
+
+    public ParserCase getParserCase() {
+      return ParserCase.forNumber(parserCase_);
+    }
+
+    public Builder clearParser() {
+      parserCase_ = 0;
+      parser_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser,
+            com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.Builder,
+            com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParserOrBuilder>
+        layoutParserBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The Layout Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+     *
+     * @return Whether the layoutParser field is set.
+     */
+    @java.lang.Override
+    public boolean hasLayoutParser() {
+      return parserCase_ == 4;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Layout Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+     *
+     * @return The layoutParser.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser getLayoutParser() {
+      if (layoutParserBuilder_ == null) {
+        if (parserCase_ == 4) {
+          return (com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser) parser_;
+        }
+        return com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.getDefaultInstance();
+      } else {
+        if (parserCase_ == 4) {
+          return layoutParserBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Layout Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+     */
+    public Builder setLayoutParser(
+        com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser value) {
+      if (layoutParserBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        parser_ = value;
+        onChanged();
+      } else {
+        layoutParserBuilder_.setMessage(value);
+      }
+      parserCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Layout Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+     */
+    public Builder setLayoutParser(
+        com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.Builder builderForValue) {
+      if (layoutParserBuilder_ == null) {
+        parser_ = builderForValue.build();
+        onChanged();
+      } else {
+        layoutParserBuilder_.setMessage(builderForValue.build());
+      }
+      parserCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Layout Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+     */
+    public Builder mergeLayoutParser(
+        com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser value) {
+      if (layoutParserBuilder_ == null) {
+        if (parserCase_ == 4
+            && parser_
+                != com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser
+                    .getDefaultInstance()) {
+          parser_ =
+              com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.newBuilder(
+                      (com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser) parser_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          parser_ = value;
+        }
+        onChanged();
+      } else {
+        if (parserCase_ == 4) {
+          layoutParserBuilder_.mergeFrom(value);
+        } else {
+          layoutParserBuilder_.setMessage(value);
+        }
+      }
+      parserCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Layout Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+     */
+    public Builder clearLayoutParser() {
+      if (layoutParserBuilder_ == null) {
+        if (parserCase_ == 4) {
+          parserCase_ = 0;
+          parser_ = null;
+          onChanged();
+        }
+      } else {
+        if (parserCase_ == 4) {
+          parserCase_ = 0;
+          parser_ = null;
+        }
+        layoutParserBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Layout Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+     */
+    public com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.Builder
+        getLayoutParserBuilder() {
+      return internalGetLayoutParserFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Layout Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParserOrBuilder
+        getLayoutParserOrBuilder() {
+      if ((parserCase_ == 4) && (layoutParserBuilder_ != null)) {
+        return layoutParserBuilder_.getMessageOrBuilder();
+      } else {
+        if (parserCase_ == 4) {
+          return (com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser) parser_;
+        }
+        return com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The Layout Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser,
+            com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.Builder,
+            com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParserOrBuilder>
+        internalGetLayoutParserFieldBuilder() {
+      if (layoutParserBuilder_ == null) {
+        if (!(parserCase_ == 4)) {
+          parser_ =
+              com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.getDefaultInstance();
+        }
+        layoutParserBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser,
+                com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser.Builder,
+                com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParserOrBuilder>(
+                (com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser) parser_,
+                getParentForChildren(),
+                isClean());
+        parser_ = null;
+      }
+      parserCase_ = 4;
+      onChanged();
+      return layoutParserBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser,
+            com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.Builder,
+            com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParserOrBuilder>
+        llmParserBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The LLM Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+     *
+     * @return Whether the llmParser field is set.
+     */
+    @java.lang.Override
+    public boolean hasLlmParser() {
+      return parserCase_ == 5;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The LLM Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+     *
+     * @return The llmParser.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser getLlmParser() {
+      if (llmParserBuilder_ == null) {
+        if (parserCase_ == 5) {
+          return (com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser) parser_;
+        }
+        return com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.getDefaultInstance();
+      } else {
+        if (parserCase_ == 5) {
+          return llmParserBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The LLM Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+     */
+    public Builder setLlmParser(
+        com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser value) {
+      if (llmParserBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        parser_ = value;
+        onChanged();
+      } else {
+        llmParserBuilder_.setMessage(value);
+      }
+      parserCase_ = 5;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The LLM Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+     */
+    public Builder setLlmParser(
+        com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.Builder builderForValue) {
+      if (llmParserBuilder_ == null) {
+        parser_ = builderForValue.build();
+        onChanged();
+      } else {
+        llmParserBuilder_.setMessage(builderForValue.build());
+      }
+      parserCase_ = 5;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The LLM Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+     */
+    public Builder mergeLlmParser(
+        com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser value) {
+      if (llmParserBuilder_ == null) {
+        if (parserCase_ == 5
+            && parser_
+                != com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser
+                    .getDefaultInstance()) {
+          parser_ =
+              com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.newBuilder(
+                      (com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser) parser_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          parser_ = value;
+        }
+        onChanged();
+      } else {
+        if (parserCase_ == 5) {
+          llmParserBuilder_.mergeFrom(value);
+        } else {
+          llmParserBuilder_.setMessage(value);
+        }
+      }
+      parserCase_ = 5;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The LLM Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+     */
+    public Builder clearLlmParser() {
+      if (llmParserBuilder_ == null) {
+        if (parserCase_ == 5) {
+          parserCase_ = 0;
+          parser_ = null;
+          onChanged();
+        }
+      } else {
+        if (parserCase_ == 5) {
+          parserCase_ = 0;
+          parser_ = null;
+        }
+        llmParserBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The LLM Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+     */
+    public com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.Builder
+        getLlmParserBuilder() {
+      return internalGetLlmParserFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The LLM Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParserOrBuilder
+        getLlmParserOrBuilder() {
+      if ((parserCase_ == 5) && (llmParserBuilder_ != null)) {
+        return llmParserBuilder_.getMessageOrBuilder();
+      } else {
+        if (parserCase_ == 5) {
+          return (com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser) parser_;
+        }
+        return com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The LLM Parser to use for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser,
+            com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.Builder,
+            com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParserOrBuilder>
+        internalGetLlmParserFieldBuilder() {
+      if (llmParserBuilder_ == null) {
+        if (!(parserCase_ == 5)) {
+          parser_ =
+              com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.getDefaultInstance();
+        }
+        llmParserBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser,
+                com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser.Builder,
+                com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParserOrBuilder>(
+                (com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser) parser_,
+                getParentForChildren(),
+                isClean());
+        parser_ = null;
+      }
+      parserCase_ = 5;
+      onChanged();
+      return llmParserBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagFileParsingConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagFileParsingConfig)
+  private static final com.google.cloud.vertexai.api.RagFileParsingConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagFileParsingConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileParsingConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<RagFileParsingConfig> PARSER =
+      new com.google.protobuf.AbstractParser<RagFileParsingConfig>() {
+        @java.lang.Override
+        public RagFileParsingConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<RagFileParsingConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<RagFileParsingConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileParsingConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileParsingConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileParsingConfigOrBuilder.java
new file mode 100644
index 000000000000..873fe02bb5c7
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileParsingConfigOrBuilder.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface RagFileParsingConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagFileParsingConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The Layout Parser to use for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+   *
+   * @return Whether the layoutParser field is set.
+   */
+  boolean hasLayoutParser();
+
+  /**
+   *
+   *
+   * <pre>
+   * The Layout Parser to use for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+   *
+   * @return The layoutParser.
+   */
+  com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParser getLayoutParser();
+
+  /**
+   *
+   *
+   * <pre>
+   * The Layout Parser to use for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LayoutParser layout_parser = 4;</code>
+   */
+  com.google.cloud.vertexai.api.RagFileParsingConfig.LayoutParserOrBuilder
+      getLayoutParserOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * The LLM Parser to use for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+   *
+   * @return Whether the llmParser field is set.
+   */
+  boolean hasLlmParser();
+
+  /**
+   *
+   *
+   * <pre>
+   * The LLM Parser to use for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+   *
+   * @return The llmParser.
+   */
+  com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParser getLlmParser();
+
+  /**
+   *
+   *
+   * <pre>
+   * The LLM Parser to use for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileParsingConfig.LlmParser llm_parser = 5;</code>
+   */
+  com.google.cloud.vertexai.api.RagFileParsingConfig.LlmParserOrBuilder getLlmParserOrBuilder();
+
+  com.google.cloud.vertexai.api.RagFileParsingConfig.ParserCase getParserCase();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileTransformationConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileTransformationConfig.java
new file mode 100644
index 000000000000..27ba74a940cd
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileTransformationConfig.java
@@ -0,0 +1,710 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Specifies the transformation config for RagFiles.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.RagFileTransformationConfig}
+ */
+@com.google.protobuf.Generated
+public final class RagFileTransformationConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagFileTransformationConfig)
+    RagFileTransformationConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "RagFileTransformationConfig");
+  }
+
+  // Use RagFileTransformationConfig.newBuilder() to construct.
+  private RagFileTransformationConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private RagFileTransformationConfig() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagFileTransformationConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagFileTransformationConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.RagFileTransformationConfig.class,
+            com.google.cloud.vertexai.api.RagFileTransformationConfig.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int RAG_FILE_CHUNKING_CONFIG_FIELD_NUMBER = 1;
+  private com.google.cloud.vertexai.api.RagFileChunkingConfig ragFileChunkingConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the chunking config for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+   *
+   * @return Whether the ragFileChunkingConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasRagFileChunkingConfig() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the chunking config for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+   *
+   * @return The ragFileChunkingConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileChunkingConfig getRagFileChunkingConfig() {
+    return ragFileChunkingConfig_ == null
+        ? com.google.cloud.vertexai.api.RagFileChunkingConfig.getDefaultInstance()
+        : ragFileChunkingConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the chunking config for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileChunkingConfigOrBuilder
+      getRagFileChunkingConfigOrBuilder() {
+    return ragFileChunkingConfig_ == null
+        ? com.google.cloud.vertexai.api.RagFileChunkingConfig.getDefaultInstance()
+        : ragFileChunkingConfig_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(1, getRagFileChunkingConfig());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(1, getRagFileChunkingConfig());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.RagFileTransformationConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.RagFileTransformationConfig other =
+        (com.google.cloud.vertexai.api.RagFileTransformationConfig) obj;
+
+    if (hasRagFileChunkingConfig() != other.hasRagFileChunkingConfig()) return false;
+    if (hasRagFileChunkingConfig()) {
+      if (!getRagFileChunkingConfig().equals(other.getRagFileChunkingConfig())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasRagFileChunkingConfig()) {
+      hash = (37 * hash) + RAG_FILE_CHUNKING_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getRagFileChunkingConfig().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileTransformationConfig parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileTransformationConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileTransformationConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileTransformationConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileTransformationConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileTransformationConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileTransformationConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileTransformationConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileTransformationConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileTransformationConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileTransformationConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileTransformationConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.vertexai.api.RagFileTransformationConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the transformation config for RagFiles.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagFileTransformationConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagFileTransformationConfig)
+      com.google.cloud.vertexai.api.RagFileTransformationConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileTransformationConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileTransformationConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagFileTransformationConfig.class,
+              com.google.cloud.vertexai.api.RagFileTransformationConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.RagFileTransformationConfig.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetRagFileChunkingConfigFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      ragFileChunkingConfig_ = null;
+      if (ragFileChunkingConfigBuilder_ != null) {
+        ragFileChunkingConfigBuilder_.dispose();
+        ragFileChunkingConfigBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagFileTransformationConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileTransformationConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.RagFileTransformationConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileTransformationConfig build() {
+      com.google.cloud.vertexai.api.RagFileTransformationConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagFileTransformationConfig buildPartial() {
+      com.google.cloud.vertexai.api.RagFileTransformationConfig result =
+          new com.google.cloud.vertexai.api.RagFileTransformationConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.RagFileTransformationConfig result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.ragFileChunkingConfig_ =
+            ragFileChunkingConfigBuilder_ == null
+                ? ragFileChunkingConfig_
+                : ragFileChunkingConfigBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.RagFileTransformationConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.RagFileTransformationConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.RagFileTransformationConfig other) {
+      if (other == com.google.cloud.vertexai.api.RagFileTransformationConfig.getDefaultInstance())
+        return this;
+      if (other.hasRagFileChunkingConfig()) {
+        mergeRagFileChunkingConfig(other.getRagFileChunkingConfig());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(
+                    internalGetRagFileChunkingConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.cloud.vertexai.api.RagFileChunkingConfig ragFileChunkingConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagFileChunkingConfig,
+            com.google.cloud.vertexai.api.RagFileChunkingConfig.Builder,
+            com.google.cloud.vertexai.api.RagFileChunkingConfigOrBuilder>
+        ragFileChunkingConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the chunking config for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+     *
+     * @return Whether the ragFileChunkingConfig field is set.
+     */
+    public boolean hasRagFileChunkingConfig() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the chunking config for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+     *
+     * @return The ragFileChunkingConfig.
+     */
+    public com.google.cloud.vertexai.api.RagFileChunkingConfig getRagFileChunkingConfig() {
+      if (ragFileChunkingConfigBuilder_ == null) {
+        return ragFileChunkingConfig_ == null
+            ? com.google.cloud.vertexai.api.RagFileChunkingConfig.getDefaultInstance()
+            : ragFileChunkingConfig_;
+      } else {
+        return ragFileChunkingConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the chunking config for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+     */
+    public Builder setRagFileChunkingConfig(
+        com.google.cloud.vertexai.api.RagFileChunkingConfig value) {
+      if (ragFileChunkingConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ragFileChunkingConfig_ = value;
+      } else {
+        ragFileChunkingConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the chunking config for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+     */
+    public Builder setRagFileChunkingConfig(
+        com.google.cloud.vertexai.api.RagFileChunkingConfig.Builder builderForValue) {
+      if (ragFileChunkingConfigBuilder_ == null) {
+        ragFileChunkingConfig_ = builderForValue.build();
+      } else {
+        ragFileChunkingConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the chunking config for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+     */
+    public Builder mergeRagFileChunkingConfig(
+        com.google.cloud.vertexai.api.RagFileChunkingConfig value) {
+      if (ragFileChunkingConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)
+            && ragFileChunkingConfig_ != null
+            && ragFileChunkingConfig_
+                != com.google.cloud.vertexai.api.RagFileChunkingConfig.getDefaultInstance()) {
+          getRagFileChunkingConfigBuilder().mergeFrom(value);
+        } else {
+          ragFileChunkingConfig_ = value;
+        }
+      } else {
+        ragFileChunkingConfigBuilder_.mergeFrom(value);
+      }
+      if (ragFileChunkingConfig_ != null) {
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the chunking config for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+     */
+    public Builder clearRagFileChunkingConfig() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      ragFileChunkingConfig_ = null;
+      if (ragFileChunkingConfigBuilder_ != null) {
+        ragFileChunkingConfigBuilder_.dispose();
+        ragFileChunkingConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the chunking config for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+     */
+    public com.google.cloud.vertexai.api.RagFileChunkingConfig.Builder
+        getRagFileChunkingConfigBuilder() {
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return internalGetRagFileChunkingConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the chunking config for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+     */
+    public com.google.cloud.vertexai.api.RagFileChunkingConfigOrBuilder
+        getRagFileChunkingConfigOrBuilder() {
+      if (ragFileChunkingConfigBuilder_ != null) {
+        return ragFileChunkingConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return ragFileChunkingConfig_ == null
+            ? com.google.cloud.vertexai.api.RagFileChunkingConfig.getDefaultInstance()
+            : ragFileChunkingConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the chunking config for RagFiles.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagFileChunkingConfig,
+            com.google.cloud.vertexai.api.RagFileChunkingConfig.Builder,
+            com.google.cloud.vertexai.api.RagFileChunkingConfigOrBuilder>
+        internalGetRagFileChunkingConfigFieldBuilder() {
+      if (ragFileChunkingConfigBuilder_ == null) {
+        ragFileChunkingConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagFileChunkingConfig,
+                com.google.cloud.vertexai.api.RagFileChunkingConfig.Builder,
+                com.google.cloud.vertexai.api.RagFileChunkingConfigOrBuilder>(
+                getRagFileChunkingConfig(), getParentForChildren(), isClean());
+        ragFileChunkingConfig_ = null;
+      }
+      return ragFileChunkingConfigBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagFileTransformationConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagFileTransformationConfig)
+  private static final com.google.cloud.vertexai.api.RagFileTransformationConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagFileTransformationConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.RagFileTransformationConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<RagFileTransformationConfig> PARSER =
+      new com.google.protobuf.AbstractParser<RagFileTransformationConfig>() {
+        @java.lang.Override
+        public RagFileTransformationConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<RagFileTransformationConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<RagFileTransformationConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileTransformationConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileTransformationConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileTransformationConfigOrBuilder.java
new file mode 100644
index 000000000000..49bfe5471288
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagFileTransformationConfigOrBuilder.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface RagFileTransformationConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagFileTransformationConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the chunking config for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+   *
+   * @return Whether the ragFileChunkingConfig field is set.
+   */
+  boolean hasRagFileChunkingConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the chunking config for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+   *
+   * @return The ragFileChunkingConfig.
+   */
+  com.google.cloud.vertexai.api.RagFileChunkingConfig getRagFileChunkingConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the chunking config for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileChunkingConfig rag_file_chunking_config = 1;</code>
+   */
+  com.google.cloud.vertexai.api.RagFileChunkingConfigOrBuilder getRagFileChunkingConfigOrBuilder();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagManagedDbConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagManagedDbConfig.java
new file mode 100644
index 000000000000..3e9cb48c13e2
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagManagedDbConfig.java
@@ -0,0 +1,2597 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Configuration message for RagManagedDb used by RagEngine.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.RagManagedDbConfig}
+ */
+@com.google.protobuf.Generated
+public final class RagManagedDbConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagManagedDbConfig)
+    RagManagedDbConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "RagManagedDbConfig");
+  }
+
+  // Use RagManagedDbConfig.newBuilder() to construct.
+  private RagManagedDbConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private RagManagedDbConfig() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
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+        .ensureFieldAccessorsInitialized(
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+  }
+
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+      extends
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+      com.google.protobuf.MessageOrBuilder {}
+
+  /**
+   *
+   *
+   * <pre>
+   * Scaled tier offers production grade performance along with
+   * autoscaling functionality. It is suitable for customers with large
+   * amounts of data or performance sensitive workloads.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagManagedDbConfig.Scaled}
+   */
+  public static final class Scaled extends com.google.protobuf.GeneratedMessage
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+      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagManagedDbConfig.Scaled)
+      ScaledOrBuilder {
+    private static final long serialVersionUID = 0L;
+
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+          /* minor= */ 33,
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+
+    // Use Scaled.newBuilder() to construct.
+    private Scaled(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
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+
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+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
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+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
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+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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+      return PARSER.parseFrom(data, extensionRegistry);
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+      return PARSER.parseFrom(data);
+    }
+
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+      return PARSER.parseFrom(data, extensionRegistry);
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+    public static com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled parseFrom(
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+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
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+    public static com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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+     * </pre>
+     *
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+   * * Latency insensitive workload.
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+     * Disables the RAG Engine service and deletes all your data held
+     * within this service. This will halt the billing of the service.
+     *
+     * NOTE: Once deleted the data cannot be recovered. To start using
+     * RAG Engine again, you will need to update the tier by calling the
+     * UpdateRagEngineConfig API.
+     * </pre>
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+      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned)
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+        DEFAULT_INSTANCE;
+
+    static {
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+        case 3:
+          return UNPROVISIONED;
+        case 0:
+          return TIER_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public TierCase getTierCase() {
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+  }
+
+  public static final int SCALED_FIELD_NUMBER = 4;
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Scaled tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+   *
+   * @return Whether the scaled field is set.
+   */
+  @java.lang.Override
+  public boolean hasScaled() {
+    return tierCase_ == 4;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Scaled tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+   *
+   * @return The scaled.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled getScaled() {
+    if (tierCase_ == 4) {
+      return (com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled) tier_;
+    }
+    return com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Scaled tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagManagedDbConfig.ScaledOrBuilder getScaledOrBuilder() {
+    if (tierCase_ == 4) {
+      return (com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled) tier_;
+    }
+    return com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled.getDefaultInstance();
+  }
+
+  public static final int BASIC_FIELD_NUMBER = 2;
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Basic tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+   *
+   * @return Whether the basic field is set.
+   */
+  @java.lang.Override
+  public boolean hasBasic() {
+    return tierCase_ == 2;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Basic tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+   *
+   * @return The basic.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagManagedDbConfig.Basic getBasic() {
+    if (tierCase_ == 2) {
+      return (com.google.cloud.vertexai.api.RagManagedDbConfig.Basic) tier_;
+    }
+    return com.google.cloud.vertexai.api.RagManagedDbConfig.Basic.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Basic tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagManagedDbConfig.BasicOrBuilder getBasicOrBuilder() {
+    if (tierCase_ == 2) {
+      return (com.google.cloud.vertexai.api.RagManagedDbConfig.Basic) tier_;
+    }
+    return com.google.cloud.vertexai.api.RagManagedDbConfig.Basic.getDefaultInstance();
+  }
+
+  public static final int UNPROVISIONED_FIELD_NUMBER = 3;
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Unprovisioned tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+   *
+   * @return Whether the unprovisioned field is set.
+   */
+  @java.lang.Override
+  public boolean hasUnprovisioned() {
+    return tierCase_ == 3;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Unprovisioned tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+   *
+   * @return The unprovisioned.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned getUnprovisioned() {
+    if (tierCase_ == 3) {
+      return (com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned) tier_;
+    }
+    return com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Unprovisioned tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagManagedDbConfig.UnprovisionedOrBuilder
+      getUnprovisionedOrBuilder() {
+    if (tierCase_ == 3) {
+      return (com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned) tier_;
+    }
+    return com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned.getDefaultInstance();
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (tierCase_ == 2) {
+      output.writeMessage(2, (com.google.cloud.vertexai.api.RagManagedDbConfig.Basic) tier_);
+    }
+    if (tierCase_ == 3) {
+      output.writeMessage(
+          3, (com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned) tier_);
+    }
+    if (tierCase_ == 4) {
+      output.writeMessage(4, (com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled) tier_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (tierCase_ == 2) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              2, (com.google.cloud.vertexai.api.RagManagedDbConfig.Basic) tier_);
+    }
+    if (tierCase_ == 3) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              3, (com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned) tier_);
+    }
+    if (tierCase_ == 4) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              4, (com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled) tier_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.RagManagedDbConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.RagManagedDbConfig other =
+        (com.google.cloud.vertexai.api.RagManagedDbConfig) obj;
+
+    if (!getTierCase().equals(other.getTierCase())) return false;
+    switch (tierCase_) {
+      case 4:
+        if (!getScaled().equals(other.getScaled())) return false;
+        break;
+      case 2:
+        if (!getBasic().equals(other.getBasic())) return false;
+        break;
+      case 3:
+        if (!getUnprovisioned().equals(other.getUnprovisioned())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (tierCase_) {
+      case 4:
+        hash = (37 * hash) + SCALED_FIELD_NUMBER;
+        hash = (53 * hash) + getScaled().hashCode();
+        break;
+      case 2:
+        hash = (37 * hash) + BASIC_FIELD_NUMBER;
+        hash = (53 * hash) + getBasic().hashCode();
+        break;
+      case 3:
+        hash = (37 * hash) + UNPROVISIONED_FIELD_NUMBER;
+        hash = (53 * hash) + getUnprovisioned().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.RagManagedDbConfig parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagManagedDbConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagManagedDbConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagManagedDbConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagManagedDbConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagManagedDbConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagManagedDbConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagManagedDbConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagManagedDbConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagManagedDbConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagManagedDbConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagManagedDbConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.RagManagedDbConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration message for RagManagedDb used by RagEngine.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagManagedDbConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagManagedDbConfig)
+      com.google.cloud.vertexai.api.RagManagedDbConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagManagedDbConfig.class,
+              com.google.cloud.vertexai.api.RagManagedDbConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.RagManagedDbConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (scaledBuilder_ != null) {
+        scaledBuilder_.clear();
+      }
+      if (basicBuilder_ != null) {
+        basicBuilder_.clear();
+      }
+      if (unprovisionedBuilder_ != null) {
+        unprovisionedBuilder_.clear();
+      }
+      tierCase_ = 0;
+      tier_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagManagedDbConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.RagManagedDbConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagManagedDbConfig build() {
+      com.google.cloud.vertexai.api.RagManagedDbConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagManagedDbConfig buildPartial() {
+      com.google.cloud.vertexai.api.RagManagedDbConfig result =
+          new com.google.cloud.vertexai.api.RagManagedDbConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.RagManagedDbConfig result) {
+      int from_bitField0_ = bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.vertexai.api.RagManagedDbConfig result) {
+      result.tierCase_ = tierCase_;
+      result.tier_ = this.tier_;
+      if (tierCase_ == 4 && scaledBuilder_ != null) {
+        result.tier_ = scaledBuilder_.build();
+      }
+      if (tierCase_ == 2 && basicBuilder_ != null) {
+        result.tier_ = basicBuilder_.build();
+      }
+      if (tierCase_ == 3 && unprovisionedBuilder_ != null) {
+        result.tier_ = unprovisionedBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.RagManagedDbConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.RagManagedDbConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.RagManagedDbConfig other) {
+      if (other == com.google.cloud.vertexai.api.RagManagedDbConfig.getDefaultInstance())
+        return this;
+      switch (other.getTierCase()) {
+        case SCALED:
+          {
+            mergeScaled(other.getScaled());
+            break;
+          }
+        case BASIC:
+          {
+            mergeBasic(other.getBasic());
+            break;
+          }
+        case UNPROVISIONED:
+          {
+            mergeUnprovisioned(other.getUnprovisioned());
+            break;
+          }
+        case TIER_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 18:
+              {
+                input.readMessage(internalGetBasicFieldBuilder().getBuilder(), extensionRegistry);
+                tierCase_ = 2;
+                break;
+              } // case 18
+            case 26:
+              {
+                input.readMessage(
+                    internalGetUnprovisionedFieldBuilder().getBuilder(), extensionRegistry);
+                tierCase_ = 3;
+                break;
+              } // case 26
+            case 34:
+              {
+                input.readMessage(internalGetScaledFieldBuilder().getBuilder(), extensionRegistry);
+                tierCase_ = 4;
+                break;
+              } // case 34
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int tierCase_ = 0;
+    private java.lang.Object tier_;
+
+    public TierCase getTierCase() {
+      return TierCase.forNumber(tierCase_);
+    }
+
+    public Builder clearTier() {
+      tierCase_ = 0;
+      tier_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled,
+            com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled.Builder,
+            com.google.cloud.vertexai.api.RagManagedDbConfig.ScaledOrBuilder>
+        scaledBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Scaled tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+     *
+     * @return Whether the scaled field is set.
+     */
+    @java.lang.Override
+    public boolean hasScaled() {
+      return tierCase_ == 4;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Scaled tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+     *
+     * @return The scaled.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled getScaled() {
+      if (scaledBuilder_ == null) {
+        if (tierCase_ == 4) {
+          return (com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled) tier_;
+        }
+        return com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled.getDefaultInstance();
+      } else {
+        if (tierCase_ == 4) {
+          return scaledBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Scaled tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+     */
+    public Builder setScaled(com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled value) {
+      if (scaledBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        tier_ = value;
+        onChanged();
+      } else {
+        scaledBuilder_.setMessage(value);
+      }
+      tierCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Scaled tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+     */
+    public Builder setScaled(
+        com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled.Builder builderForValue) {
+      if (scaledBuilder_ == null) {
+        tier_ = builderForValue.build();
+        onChanged();
+      } else {
+        scaledBuilder_.setMessage(builderForValue.build());
+      }
+      tierCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Scaled tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+     */
+    public Builder mergeScaled(com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled value) {
+      if (scaledBuilder_ == null) {
+        if (tierCase_ == 4
+            && tier_
+                != com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled.getDefaultInstance()) {
+          tier_ =
+              com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled.newBuilder(
+                      (com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled) tier_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          tier_ = value;
+        }
+        onChanged();
+      } else {
+        if (tierCase_ == 4) {
+          scaledBuilder_.mergeFrom(value);
+        } else {
+          scaledBuilder_.setMessage(value);
+        }
+      }
+      tierCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Scaled tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+     */
+    public Builder clearScaled() {
+      if (scaledBuilder_ == null) {
+        if (tierCase_ == 4) {
+          tierCase_ = 0;
+          tier_ = null;
+          onChanged();
+        }
+      } else {
+        if (tierCase_ == 4) {
+          tierCase_ = 0;
+          tier_ = null;
+        }
+        scaledBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Scaled tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+     */
+    public com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled.Builder getScaledBuilder() {
+      return internalGetScaledFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Scaled tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagManagedDbConfig.ScaledOrBuilder getScaledOrBuilder() {
+      if ((tierCase_ == 4) && (scaledBuilder_ != null)) {
+        return scaledBuilder_.getMessageOrBuilder();
+      } else {
+        if (tierCase_ == 4) {
+          return (com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled) tier_;
+        }
+        return com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Scaled tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled,
+            com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled.Builder,
+            com.google.cloud.vertexai.api.RagManagedDbConfig.ScaledOrBuilder>
+        internalGetScaledFieldBuilder() {
+      if (scaledBuilder_ == null) {
+        if (!(tierCase_ == 4)) {
+          tier_ = com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled.getDefaultInstance();
+        }
+        scaledBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled,
+                com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled.Builder,
+                com.google.cloud.vertexai.api.RagManagedDbConfig.ScaledOrBuilder>(
+                (com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled) tier_,
+                getParentForChildren(),
+                isClean());
+        tier_ = null;
+      }
+      tierCase_ = 4;
+      onChanged();
+      return scaledBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagManagedDbConfig.Basic,
+            com.google.cloud.vertexai.api.RagManagedDbConfig.Basic.Builder,
+            com.google.cloud.vertexai.api.RagManagedDbConfig.BasicOrBuilder>
+        basicBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Basic tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+     *
+     * @return Whether the basic field is set.
+     */
+    @java.lang.Override
+    public boolean hasBasic() {
+      return tierCase_ == 2;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Basic tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+     *
+     * @return The basic.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagManagedDbConfig.Basic getBasic() {
+      if (basicBuilder_ == null) {
+        if (tierCase_ == 2) {
+          return (com.google.cloud.vertexai.api.RagManagedDbConfig.Basic) tier_;
+        }
+        return com.google.cloud.vertexai.api.RagManagedDbConfig.Basic.getDefaultInstance();
+      } else {
+        if (tierCase_ == 2) {
+          return basicBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.RagManagedDbConfig.Basic.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Basic tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+     */
+    public Builder setBasic(com.google.cloud.vertexai.api.RagManagedDbConfig.Basic value) {
+      if (basicBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        tier_ = value;
+        onChanged();
+      } else {
+        basicBuilder_.setMessage(value);
+      }
+      tierCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Basic tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+     */
+    public Builder setBasic(
+        com.google.cloud.vertexai.api.RagManagedDbConfig.Basic.Builder builderForValue) {
+      if (basicBuilder_ == null) {
+        tier_ = builderForValue.build();
+        onChanged();
+      } else {
+        basicBuilder_.setMessage(builderForValue.build());
+      }
+      tierCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Basic tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+     */
+    public Builder mergeBasic(com.google.cloud.vertexai.api.RagManagedDbConfig.Basic value) {
+      if (basicBuilder_ == null) {
+        if (tierCase_ == 2
+            && tier_
+                != com.google.cloud.vertexai.api.RagManagedDbConfig.Basic.getDefaultInstance()) {
+          tier_ =
+              com.google.cloud.vertexai.api.RagManagedDbConfig.Basic.newBuilder(
+                      (com.google.cloud.vertexai.api.RagManagedDbConfig.Basic) tier_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          tier_ = value;
+        }
+        onChanged();
+      } else {
+        if (tierCase_ == 2) {
+          basicBuilder_.mergeFrom(value);
+        } else {
+          basicBuilder_.setMessage(value);
+        }
+      }
+      tierCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Basic tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+     */
+    public Builder clearBasic() {
+      if (basicBuilder_ == null) {
+        if (tierCase_ == 2) {
+          tierCase_ = 0;
+          tier_ = null;
+          onChanged();
+        }
+      } else {
+        if (tierCase_ == 2) {
+          tierCase_ = 0;
+          tier_ = null;
+        }
+        basicBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Basic tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+     */
+    public com.google.cloud.vertexai.api.RagManagedDbConfig.Basic.Builder getBasicBuilder() {
+      return internalGetBasicFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Basic tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagManagedDbConfig.BasicOrBuilder getBasicOrBuilder() {
+      if ((tierCase_ == 2) && (basicBuilder_ != null)) {
+        return basicBuilder_.getMessageOrBuilder();
+      } else {
+        if (tierCase_ == 2) {
+          return (com.google.cloud.vertexai.api.RagManagedDbConfig.Basic) tier_;
+        }
+        return com.google.cloud.vertexai.api.RagManagedDbConfig.Basic.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Basic tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagManagedDbConfig.Basic,
+            com.google.cloud.vertexai.api.RagManagedDbConfig.Basic.Builder,
+            com.google.cloud.vertexai.api.RagManagedDbConfig.BasicOrBuilder>
+        internalGetBasicFieldBuilder() {
+      if (basicBuilder_ == null) {
+        if (!(tierCase_ == 2)) {
+          tier_ = com.google.cloud.vertexai.api.RagManagedDbConfig.Basic.getDefaultInstance();
+        }
+        basicBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagManagedDbConfig.Basic,
+                com.google.cloud.vertexai.api.RagManagedDbConfig.Basic.Builder,
+                com.google.cloud.vertexai.api.RagManagedDbConfig.BasicOrBuilder>(
+                (com.google.cloud.vertexai.api.RagManagedDbConfig.Basic) tier_,
+                getParentForChildren(),
+                isClean());
+        tier_ = null;
+      }
+      tierCase_ = 2;
+      onChanged();
+      return basicBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned,
+            com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned.Builder,
+            com.google.cloud.vertexai.api.RagManagedDbConfig.UnprovisionedOrBuilder>
+        unprovisionedBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Unprovisioned tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+     *
+     * @return Whether the unprovisioned field is set.
+     */
+    @java.lang.Override
+    public boolean hasUnprovisioned() {
+      return tierCase_ == 3;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Unprovisioned tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+     *
+     * @return The unprovisioned.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned getUnprovisioned() {
+      if (unprovisionedBuilder_ == null) {
+        if (tierCase_ == 3) {
+          return (com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned) tier_;
+        }
+        return com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned.getDefaultInstance();
+      } else {
+        if (tierCase_ == 3) {
+          return unprovisionedBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Unprovisioned tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+     */
+    public Builder setUnprovisioned(
+        com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned value) {
+      if (unprovisionedBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        tier_ = value;
+        onChanged();
+      } else {
+        unprovisionedBuilder_.setMessage(value);
+      }
+      tierCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Unprovisioned tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+     */
+    public Builder setUnprovisioned(
+        com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned.Builder builderForValue) {
+      if (unprovisionedBuilder_ == null) {
+        tier_ = builderForValue.build();
+        onChanged();
+      } else {
+        unprovisionedBuilder_.setMessage(builderForValue.build());
+      }
+      tierCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Unprovisioned tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+     */
+    public Builder mergeUnprovisioned(
+        com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned value) {
+      if (unprovisionedBuilder_ == null) {
+        if (tierCase_ == 3
+            && tier_
+                != com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned
+                    .getDefaultInstance()) {
+          tier_ =
+              com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned.newBuilder(
+                      (com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned) tier_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          tier_ = value;
+        }
+        onChanged();
+      } else {
+        if (tierCase_ == 3) {
+          unprovisionedBuilder_.mergeFrom(value);
+        } else {
+          unprovisionedBuilder_.setMessage(value);
+        }
+      }
+      tierCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Unprovisioned tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+     */
+    public Builder clearUnprovisioned() {
+      if (unprovisionedBuilder_ == null) {
+        if (tierCase_ == 3) {
+          tierCase_ = 0;
+          tier_ = null;
+          onChanged();
+        }
+      } else {
+        if (tierCase_ == 3) {
+          tierCase_ = 0;
+          tier_ = null;
+        }
+        unprovisionedBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Unprovisioned tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+     */
+    public com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned.Builder
+        getUnprovisionedBuilder() {
+      return internalGetUnprovisionedFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Unprovisioned tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagManagedDbConfig.UnprovisionedOrBuilder
+        getUnprovisionedOrBuilder() {
+      if ((tierCase_ == 3) && (unprovisionedBuilder_ != null)) {
+        return unprovisionedBuilder_.getMessageOrBuilder();
+      } else {
+        if (tierCase_ == 3) {
+          return (com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned) tier_;
+        }
+        return com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Sets the RagManagedDb to the Unprovisioned tier.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned,
+            com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned.Builder,
+            com.google.cloud.vertexai.api.RagManagedDbConfig.UnprovisionedOrBuilder>
+        internalGetUnprovisionedFieldBuilder() {
+      if (unprovisionedBuilder_ == null) {
+        if (!(tierCase_ == 3)) {
+          tier_ =
+              com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned.getDefaultInstance();
+        }
+        unprovisionedBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned,
+                com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned.Builder,
+                com.google.cloud.vertexai.api.RagManagedDbConfig.UnprovisionedOrBuilder>(
+                (com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned) tier_,
+                getParentForChildren(),
+                isClean());
+        tier_ = null;
+      }
+      tierCase_ = 3;
+      onChanged();
+      return unprovisionedBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagManagedDbConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagManagedDbConfig)
+  private static final com.google.cloud.vertexai.api.RagManagedDbConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagManagedDbConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.RagManagedDbConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<RagManagedDbConfig> PARSER =
+      new com.google.protobuf.AbstractParser<RagManagedDbConfig>() {
+        @java.lang.Override
+        public RagManagedDbConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<RagManagedDbConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<RagManagedDbConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagManagedDbConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagManagedDbConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagManagedDbConfigOrBuilder.java
new file mode 100644
index 000000000000..54d953c7d48f
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagManagedDbConfigOrBuilder.java
@@ -0,0 +1,142 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface RagManagedDbConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagManagedDbConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Scaled tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+   *
+   * @return Whether the scaled field is set.
+   */
+  boolean hasScaled();
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Scaled tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+   *
+   * @return The scaled.
+   */
+  com.google.cloud.vertexai.api.RagManagedDbConfig.Scaled getScaled();
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Scaled tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Scaled scaled = 4;</code>
+   */
+  com.google.cloud.vertexai.api.RagManagedDbConfig.ScaledOrBuilder getScaledOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Basic tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+   *
+   * @return Whether the basic field is set.
+   */
+  boolean hasBasic();
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Basic tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+   *
+   * @return The basic.
+   */
+  com.google.cloud.vertexai.api.RagManagedDbConfig.Basic getBasic();
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Basic tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Basic basic = 2;</code>
+   */
+  com.google.cloud.vertexai.api.RagManagedDbConfig.BasicOrBuilder getBasicOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Unprovisioned tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+   *
+   * @return Whether the unprovisioned field is set.
+   */
+  boolean hasUnprovisioned();
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Unprovisioned tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+   *
+   * @return The unprovisioned.
+   */
+  com.google.cloud.vertexai.api.RagManagedDbConfig.Unprovisioned getUnprovisioned();
+
+  /**
+   *
+   *
+   * <pre>
+   * Sets the RagManagedDb to the Unprovisioned tier.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagManagedDbConfig.Unprovisioned unprovisioned = 3;</code>
+   */
+  com.google.cloud.vertexai.api.RagManagedDbConfig.UnprovisionedOrBuilder
+      getUnprovisionedOrBuilder();
+
+  com.google.cloud.vertexai.api.RagManagedDbConfig.TierCase getTierCase();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagRetrievalConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagRetrievalConfig.java
index 0fa76c770576..c8d1076902cd 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagRetrievalConfig.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagRetrievalConfig.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.RagRetrievalConfig}
  */
-public final class RagRetrievalConfig extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class RagRetrievalConfig extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagRetrievalConfig)
     RagRetrievalConfigOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "RagRetrievalConfig");
+  }
+
   // Use RagRetrievalConfig.newBuilder() to construct.
-  private RagRetrievalConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private RagRetrievalConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private RagRetrievalConfig() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new RagRetrievalConfig();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_fieldAccessorTable
@@ -164,14 +170,24 @@ public interface FilterOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.RagRetrievalConfig.Filter}
    */
-  public static final class Filter extends com.google.protobuf.GeneratedMessageV3
+  public static final class Filter extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagRetrievalConfig.Filter)
       FilterOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "Filter");
+    }
+
     // Use Filter.newBuilder() to construct.
-    private Filter(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private Filter(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -179,19 +195,13 @@ private Filter() {
       metadataFilter_ = "";
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new Filter();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Filter_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Filter_fieldAccessorTable
@@ -397,8 +407,8 @@ public final boolean isInitialized() {
 
     @java.lang.Override
     public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(metadataFilter_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, metadataFilter_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(metadataFilter_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 2, metadataFilter_);
       }
       if (vectorDbThresholdCase_ == 3) {
         output.writeDouble(3, (double) ((java.lang.Double) vectorDbThreshold_));
@@ -415,8 +425,8 @@ public int getSerializedSize() {
       if (size != -1) return size;
 
       size = 0;
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(metadataFilter_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, metadataFilter_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(metadataFilter_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(2, metadataFilter_);
       }
       if (vectorDbThresholdCase_ == 3) {
         size +=
@@ -533,38 +543,38 @@ public static com.google.cloud.vertexai.api.RagRetrievalConfig.Filter parseFrom(
 
     public static com.google.cloud.vertexai.api.RagRetrievalConfig.Filter parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.RagRetrievalConfig.Filter parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.RagRetrievalConfig.Filter parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.RagRetrievalConfig.Filter parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.RagRetrievalConfig.Filter parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.RagRetrievalConfig.Filter parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -588,8 +598,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -603,8 +612,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.RagRetrievalConfig.Filter}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagRetrievalConfig.Filter)
         com.google.cloud.vertexai.api.RagRetrievalConfig.FilterOrBuilder {
@@ -614,7 +622,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ToolProto
             .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Filter_fieldAccessorTable
@@ -626,7 +634,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // Construct using com.google.cloud.vertexai.api.RagRetrievalConfig.Filter.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -685,41 +693,6 @@ private void buildPartialOneofs(
         result.vectorDbThreshold_ = this.vectorDbThreshold_;
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.RagRetrievalConfig.Filter) {
@@ -1104,18 +1077,6 @@ public Builder setMetadataFilterBytes(com.google.protobuf.ByteString value) {
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagRetrievalConfig.Filter)
     }
 
@@ -1274,32 +1235,36 @@ public interface RankingOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.RagRetrievalConfig.Ranking}
    */
-  public static final class Ranking extends com.google.protobuf.GeneratedMessageV3
+  public static final class Ranking extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagRetrievalConfig.Ranking)
       RankingOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "Ranking");
+    }
+
     // Use Ranking.newBuilder() to construct.
-    private Ranking(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private Ranking(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
     private Ranking() {}
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new Ranking();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_fieldAccessorTable
@@ -1365,14 +1330,24 @@ public interface RankServiceOrBuilder
      *
      * Protobuf type {@code google.cloud.vertexai.v1.RagRetrievalConfig.Ranking.RankService}
      */
-    public static final class RankService extends com.google.protobuf.GeneratedMessageV3
+    public static final class RankService extends com.google.protobuf.GeneratedMessage
         implements
         // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagRetrievalConfig.Ranking.RankService)
         RankServiceOrBuilder {
       private static final long serialVersionUID = 0L;
 
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 0,
+            /* suffix= */ "",
+            "RankService");
+      }
+
       // Use RankService.newBuilder() to construct.
-      private RankService(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      private RankService(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
         super(builder);
       }
 
@@ -1380,19 +1355,13 @@ private RankService() {
         modelName_ = "";
       }
 
-      @java.lang.Override
-      @SuppressWarnings({"unused"})
-      protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-        return new RankService();
-      }
-
       public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         return com.google.cloud.vertexai.api.ToolProto
             .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_RankService_descriptor;
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ToolProto
             .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_RankService_fieldAccessorTable
@@ -1489,7 +1458,7 @@ public final boolean isInitialized() {
       @java.lang.Override
       public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
         if (((bitField0_ & 0x00000001) != 0)) {
-          com.google.protobuf.GeneratedMessageV3.writeString(output, 1, modelName_);
+          com.google.protobuf.GeneratedMessage.writeString(output, 1, modelName_);
         }
         getUnknownFields().writeTo(output);
       }
@@ -1501,7 +1470,7 @@ public int getSerializedSize() {
 
         size = 0;
         if (((bitField0_ & 0x00000001) != 0)) {
-          size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, modelName_);
+          size += com.google.protobuf.GeneratedMessage.computeStringSize(1, modelName_);
         }
         size += getUnknownFields().getSerializedSize();
         memoizedSize = size;
@@ -1581,19 +1550,19 @@ public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankServi
 
       public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankService parseFrom(
           java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankService parseFrom(
           java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
             PARSER, input, extensionRegistry);
       }
 
       public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankService
           parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankService
@@ -1601,20 +1570,20 @@ public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankServi
               java.io.InputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
             PARSER, input, extensionRegistry);
       }
 
       public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankService parseFrom(
           com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankService parseFrom(
           com.google.protobuf.CodedInputStream input,
           com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
             PARSER, input, extensionRegistry);
       }
 
@@ -1639,7 +1608,7 @@ public Builder toBuilder() {
 
       @java.lang.Override
       protected Builder newBuilderForType(
-          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         Builder builder = new Builder(parent);
         return builder;
       }
@@ -1654,7 +1623,7 @@ protected Builder newBuilderForType(
        * Protobuf type {@code google.cloud.vertexai.v1.RagRetrievalConfig.Ranking.RankService}
        */
       public static final class Builder
-          extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+          extends com.google.protobuf.GeneratedMessage.Builder<Builder>
           implements
           // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagRetrievalConfig.Ranking.RankService)
           com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankServiceOrBuilder {
@@ -1664,7 +1633,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         }
 
         @java.lang.Override
-        protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
             internalGetFieldAccessorTable() {
           return com.google.cloud.vertexai.api.ToolProto
               .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_RankService_fieldAccessorTable
@@ -1678,7 +1647,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         // com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankService.newBuilder()
         private Builder() {}
 
-        private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
           super(parent);
         }
 
@@ -1735,41 +1704,6 @@ private void buildPartial0(
           result.bitField0_ |= to_bitField0_;
         }
 
-        @java.lang.Override
-        public Builder clone() {
-          return super.clone();
-        }
-
-        @java.lang.Override
-        public Builder setField(
-            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-          return super.setField(field, value);
-        }
-
-        @java.lang.Override
-        public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-          return super.clearField(field);
-        }
-
-        @java.lang.Override
-        public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-          return super.clearOneof(oneof);
-        }
-
-        @java.lang.Override
-        public Builder setRepeatedField(
-            com.google.protobuf.Descriptors.FieldDescriptor field,
-            int index,
-            java.lang.Object value) {
-          return super.setRepeatedField(field, index, value);
-        }
-
-        @java.lang.Override
-        public Builder addRepeatedField(
-            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-          return super.addRepeatedField(field, value);
-        }
-
         @java.lang.Override
         public Builder mergeFrom(com.google.protobuf.Message other) {
           if (other
@@ -1975,18 +1909,6 @@ public Builder setModelNameBytes(com.google.protobuf.ByteString value) {
           return this;
         }
 
-        @java.lang.Override
-        public final Builder setUnknownFields(
-            final com.google.protobuf.UnknownFieldSet unknownFields) {
-          return super.setUnknownFields(unknownFields);
-        }
-
-        @java.lang.Override
-        public final Builder mergeUnknownFields(
-            final com.google.protobuf.UnknownFieldSet unknownFields) {
-          return super.mergeUnknownFields(unknownFields);
-        }
-
         // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagRetrievalConfig.Ranking.RankService)
       }
 
@@ -2100,14 +2022,24 @@ public interface LlmRankerOrBuilder
      *
      * Protobuf type {@code google.cloud.vertexai.v1.RagRetrievalConfig.Ranking.LlmRanker}
      */
-    public static final class LlmRanker extends com.google.protobuf.GeneratedMessageV3
+    public static final class LlmRanker extends com.google.protobuf.GeneratedMessage
         implements
         // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagRetrievalConfig.Ranking.LlmRanker)
         LlmRankerOrBuilder {
       private static final long serialVersionUID = 0L;
 
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 0,
+            /* suffix= */ "",
+            "LlmRanker");
+      }
+
       // Use LlmRanker.newBuilder() to construct.
-      private LlmRanker(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      private LlmRanker(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
         super(builder);
       }
 
@@ -2115,19 +2047,13 @@ private LlmRanker() {
         modelName_ = "";
       }
 
-      @java.lang.Override
-      @SuppressWarnings({"unused"})
-      protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-        return new LlmRanker();
-      }
-
       public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         return com.google.cloud.vertexai.api.ToolProto
             .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_LlmRanker_descriptor;
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ToolProto
             .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_LlmRanker_fieldAccessorTable
@@ -2224,7 +2150,7 @@ public final boolean isInitialized() {
       @java.lang.Override
       public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
         if (((bitField0_ & 0x00000001) != 0)) {
-          com.google.protobuf.GeneratedMessageV3.writeString(output, 1, modelName_);
+          com.google.protobuf.GeneratedMessage.writeString(output, 1, modelName_);
         }
         getUnknownFields().writeTo(output);
       }
@@ -2236,7 +2162,7 @@ public int getSerializedSize() {
 
         size = 0;
         if (((bitField0_ & 0x00000001) != 0)) {
-          size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, modelName_);
+          size += com.google.protobuf.GeneratedMessage.computeStringSize(1, modelName_);
         }
         size += getUnknownFields().getSerializedSize();
         memoizedSize = size;
@@ -2315,19 +2241,19 @@ public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker
 
       public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker parseFrom(
           java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker parseFrom(
           java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
             PARSER, input, extensionRegistry);
       }
 
       public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker
           parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker
@@ -2335,20 +2261,20 @@ public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker
               java.io.InputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
             PARSER, input, extensionRegistry);
       }
 
       public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker parseFrom(
           com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker parseFrom(
           com.google.protobuf.CodedInputStream input,
           com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
             PARSER, input, extensionRegistry);
       }
 
@@ -2373,7 +2299,7 @@ public Builder toBuilder() {
 
       @java.lang.Override
       protected Builder newBuilderForType(
-          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         Builder builder = new Builder(parent);
         return builder;
       }
@@ -2388,7 +2314,7 @@ protected Builder newBuilderForType(
        * Protobuf type {@code google.cloud.vertexai.v1.RagRetrievalConfig.Ranking.LlmRanker}
        */
       public static final class Builder
-          extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+          extends com.google.protobuf.GeneratedMessage.Builder<Builder>
           implements
           // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagRetrievalConfig.Ranking.LlmRanker)
           com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRankerOrBuilder {
@@ -2398,7 +2324,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         }
 
         @java.lang.Override
-        protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
             internalGetFieldAccessorTable() {
           return com.google.cloud.vertexai.api.ToolProto
               .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_LlmRanker_fieldAccessorTable
@@ -2411,7 +2337,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         // com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker.newBuilder()
         private Builder() {}
 
-        private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
           super(parent);
         }
 
@@ -2468,41 +2394,6 @@ private void buildPartial0(
           result.bitField0_ |= to_bitField0_;
         }
 
-        @java.lang.Override
-        public Builder clone() {
-          return super.clone();
-        }
-
-        @java.lang.Override
-        public Builder setField(
-            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-          return super.setField(field, value);
-        }
-
-        @java.lang.Override
-        public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-          return super.clearField(field);
-        }
-
-        @java.lang.Override
-        public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-          return super.clearOneof(oneof);
-        }
-
-        @java.lang.Override
-        public Builder setRepeatedField(
-            com.google.protobuf.Descriptors.FieldDescriptor field,
-            int index,
-            java.lang.Object value) {
-          return super.setRepeatedField(field, index, value);
-        }
-
-        @java.lang.Override
-        public Builder addRepeatedField(
-            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-          return super.addRepeatedField(field, value);
-        }
-
         @java.lang.Override
         public Builder mergeFrom(com.google.protobuf.Message other) {
           if (other instanceof com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker) {
@@ -2707,18 +2598,6 @@ public Builder setModelNameBytes(com.google.protobuf.ByteString value) {
           return this;
         }
 
-        @java.lang.Override
-        public final Builder setUnknownFields(
-            final com.google.protobuf.UnknownFieldSet unknownFields) {
-          return super.setUnknownFields(unknownFields);
-        }
-
-        @java.lang.Override
-        public final Builder mergeUnknownFields(
-            final com.google.protobuf.UnknownFieldSet unknownFields) {
-          return super.mergeUnknownFields(unknownFields);
-        }
-
         // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagRetrievalConfig.Ranking.LlmRanker)
       }
 
@@ -3090,38 +2969,38 @@ public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking parseFrom
 
     public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -3145,8 +3024,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -3160,8 +3038,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.RagRetrievalConfig.Ranking}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagRetrievalConfig.Ranking)
         com.google.cloud.vertexai.api.RagRetrievalConfig.RankingOrBuilder {
@@ -3171,7 +3048,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ToolProto
             .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_fieldAccessorTable
@@ -3183,7 +3060,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // Construct using com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -3250,41 +3127,6 @@ private void buildPartialOneofs(
         }
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking) {
@@ -3342,13 +3184,15 @@ public Builder mergeFrom(
                 break;
               case 10:
                 {
-                  input.readMessage(getRankServiceFieldBuilder().getBuilder(), extensionRegistry);
+                  input.readMessage(
+                      internalGetRankServiceFieldBuilder().getBuilder(), extensionRegistry);
                   rankingConfigCase_ = 1;
                   break;
                 } // case 10
               case 26:
                 {
-                  input.readMessage(getLlmRankerFieldBuilder().getBuilder(), extensionRegistry);
+                  input.readMessage(
+                      internalGetLlmRankerFieldBuilder().getBuilder(), extensionRegistry);
                   rankingConfigCase_ = 3;
                   break;
                 } // case 26
@@ -3385,7 +3229,7 @@ public Builder clearRankingConfig() {
 
       private int bitField0_;
 
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankService,
               com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankService.Builder,
               com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankServiceOrBuilder>
@@ -3570,7 +3414,7 @@ public Builder clearRankService() {
        */
       public com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankService.Builder
           getRankServiceBuilder() {
-        return getRankServiceFieldBuilder().getBuilder();
+        return internalGetRankServiceFieldBuilder().getBuilder();
       }
 
       /**
@@ -3610,11 +3454,11 @@ public Builder clearRankService() {
        * .google.cloud.vertexai.v1.RagRetrievalConfig.Ranking.RankService rank_service = 1 [(.google.api.field_behavior) = OPTIONAL];
        * </code>
        */
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankService,
               com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankService.Builder,
               com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankServiceOrBuilder>
-          getRankServiceFieldBuilder() {
+          internalGetRankServiceFieldBuilder() {
         if (rankServiceBuilder_ == null) {
           if (!(rankingConfigCase_ == 1)) {
             rankingConfig_ =
@@ -3622,7 +3466,7 @@ public Builder clearRankService() {
                     .getDefaultInstance();
           }
           rankServiceBuilder_ =
-              new com.google.protobuf.SingleFieldBuilderV3<
+              new com.google.protobuf.SingleFieldBuilder<
                   com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankService,
                   com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankService.Builder,
                   com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.RankServiceOrBuilder>(
@@ -3637,7 +3481,7 @@ public Builder clearRankService() {
         return rankServiceBuilder_;
       }
 
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker,
               com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker.Builder,
               com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRankerOrBuilder>
@@ -3822,7 +3666,7 @@ public Builder clearLlmRanker() {
        */
       public com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker.Builder
           getLlmRankerBuilder() {
-        return getLlmRankerFieldBuilder().getBuilder();
+        return internalGetLlmRankerFieldBuilder().getBuilder();
       }
 
       /**
@@ -3862,11 +3706,11 @@ public Builder clearLlmRanker() {
        * .google.cloud.vertexai.v1.RagRetrievalConfig.Ranking.LlmRanker llm_ranker = 3 [(.google.api.field_behavior) = OPTIONAL];
        * </code>
        */
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker,
               com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker.Builder,
               com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRankerOrBuilder>
-          getLlmRankerFieldBuilder() {
+          internalGetLlmRankerFieldBuilder() {
         if (llmRankerBuilder_ == null) {
           if (!(rankingConfigCase_ == 3)) {
             rankingConfig_ =
@@ -3874,7 +3718,7 @@ public Builder clearLlmRanker() {
                     .getDefaultInstance();
           }
           llmRankerBuilder_ =
-              new com.google.protobuf.SingleFieldBuilderV3<
+              new com.google.protobuf.SingleFieldBuilder<
                   com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker,
                   com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRanker.Builder,
                   com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.LlmRankerOrBuilder>(
@@ -3889,18 +3733,6 @@ public Builder clearLlmRanker() {
         return llmRankerBuilder_;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagRetrievalConfig.Ranking)
     }
 
@@ -4220,38 +4052,38 @@ public static com.google.cloud.vertexai.api.RagRetrievalConfig parseFrom(
 
   public static com.google.cloud.vertexai.api.RagRetrievalConfig parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.RagRetrievalConfig parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.RagRetrievalConfig parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.RagRetrievalConfig parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.RagRetrievalConfig parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.RagRetrievalConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -4274,7 +4106,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -4288,7 +4120,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.RagRetrievalConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagRetrievalConfig)
       com.google.cloud.vertexai.api.RagRetrievalConfigOrBuilder {
@@ -4298,7 +4130,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_fieldAccessorTable
@@ -4312,15 +4144,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getFilterFieldBuilder();
-        getRankingFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetFilterFieldBuilder();
+        internalGetRankingFieldBuilder();
       }
     }
 
@@ -4390,39 +4222,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.RagRetrievalConfig resu
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.RagRetrievalConfig) {
@@ -4479,13 +4278,13 @@ public Builder mergeFrom(
               } // case 8
             case 26:
               {
-                input.readMessage(getFilterFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(internalGetFilterFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 26
             case 34:
               {
-                input.readMessage(getRankingFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(internalGetRankingFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 34
@@ -4565,7 +4364,7 @@ public Builder clearTopK() {
     }
 
     private com.google.cloud.vertexai.api.RagRetrievalConfig.Filter filter_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.RagRetrievalConfig.Filter,
             com.google.cloud.vertexai.api.RagRetrievalConfig.Filter.Builder,
             com.google.cloud.vertexai.api.RagRetrievalConfig.FilterOrBuilder>
@@ -4726,7 +4525,7 @@ public Builder clearFilter() {
     public com.google.cloud.vertexai.api.RagRetrievalConfig.Filter.Builder getFilterBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getFilterFieldBuilder().getBuilder();
+      return internalGetFilterFieldBuilder().getBuilder();
     }
 
     /**
@@ -4761,14 +4560,14 @@ public com.google.cloud.vertexai.api.RagRetrievalConfig.FilterOrBuilder getFilte
      * .google.cloud.vertexai.v1.RagRetrievalConfig.Filter filter = 3 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.RagRetrievalConfig.Filter,
             com.google.cloud.vertexai.api.RagRetrievalConfig.Filter.Builder,
             com.google.cloud.vertexai.api.RagRetrievalConfig.FilterOrBuilder>
-        getFilterFieldBuilder() {
+        internalGetFilterFieldBuilder() {
       if (filterBuilder_ == null) {
         filterBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.RagRetrievalConfig.Filter,
                 com.google.cloud.vertexai.api.RagRetrievalConfig.Filter.Builder,
                 com.google.cloud.vertexai.api.RagRetrievalConfig.FilterOrBuilder>(
@@ -4779,7 +4578,7 @@ public com.google.cloud.vertexai.api.RagRetrievalConfig.FilterOrBuilder getFilte
     }
 
     private com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking ranking_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking,
             com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.Builder,
             com.google.cloud.vertexai.api.RagRetrievalConfig.RankingOrBuilder>
@@ -4940,7 +4739,7 @@ public Builder clearRanking() {
     public com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.Builder getRankingBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getRankingFieldBuilder().getBuilder();
+      return internalGetRankingFieldBuilder().getBuilder();
     }
 
     /**
@@ -4975,14 +4774,14 @@ public com.google.cloud.vertexai.api.RagRetrievalConfig.RankingOrBuilder getRank
      * .google.cloud.vertexai.v1.RagRetrievalConfig.Ranking ranking = 4 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking,
             com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.Builder,
             com.google.cloud.vertexai.api.RagRetrievalConfig.RankingOrBuilder>
-        getRankingFieldBuilder() {
+        internalGetRankingFieldBuilder() {
       if (rankingBuilder_ == null) {
         rankingBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking,
                 com.google.cloud.vertexai.api.RagRetrievalConfig.Ranking.Builder,
                 com.google.cloud.vertexai.api.RagRetrievalConfig.RankingOrBuilder>(
@@ -4992,17 +4791,6 @@ public com.google.cloud.vertexai.api.RagRetrievalConfig.RankingOrBuilder getRank
       return rankingBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagRetrievalConfig)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagRetrievalConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagRetrievalConfigOrBuilder.java
index 22ab2a061001..afd3ffe7d899 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagRetrievalConfigOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagRetrievalConfigOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface RagRetrievalConfigOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagRetrievalConfig)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagVectorDbConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagVectorDbConfig.java
new file mode 100644
index 000000000000..84350e3f4f99
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagVectorDbConfig.java
@@ -0,0 +1,5890 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Config for the Vector DB to use for RAG.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.RagVectorDbConfig}
+ */
+@com.google.protobuf.Generated
+public final class RagVectorDbConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagVectorDbConfig)
+    RagVectorDbConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "RagVectorDbConfig");
+  }
+
+  // Use RagVectorDbConfig.newBuilder() to construct.
+  private RagVectorDbConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private RagVectorDbConfig() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.RagVectorDbConfig.class,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.Builder.class);
+  }
+
+  public interface RagManagedDbOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Performs a KNN search on RagCorpus.
+     * Default choice if not specified.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+     *
+     * @return Whether the knn field is set.
+     */
+    boolean hasKnn();
+
+    /**
+     *
+     *
+     * <pre>
+     * Performs a KNN search on RagCorpus.
+     * Default choice if not specified.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+     *
+     * @return The knn.
+     */
+    com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN getKnn();
+
+    /**
+     *
+     *
+     * <pre>
+     * Performs a KNN search on RagCorpus.
+     * Default choice if not specified.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+     */
+    com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNNOrBuilder getKnnOrBuilder();
+
+    /**
+     *
+     *
+     * <pre>
+     * Performs an ANN search on RagCorpus. Use this if you have a lot of
+     * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+     *
+     * @return Whether the ann field is set.
+     */
+    boolean hasAnn();
+
+    /**
+     *
+     *
+     * <pre>
+     * Performs an ANN search on RagCorpus. Use this if you have a lot of
+     * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+     *
+     * @return The ann.
+     */
+    com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN getAnn();
+
+    /**
+     *
+     *
+     * <pre>
+     * Performs an ANN search on RagCorpus. Use this if you have a lot of
+     * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+     */
+    com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANNOrBuilder getAnnOrBuilder();
+
+    com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.RetrievalStrategyCase
+        getRetrievalStrategyCase();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the default RAG-managed Vector DB.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb}
+   */
+  public static final class RagManagedDb extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb)
+      RagManagedDbOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "RagManagedDb");
+    }
+
+    // Use RagManagedDb.newBuilder() to construct.
+    private RagManagedDb(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private RagManagedDb() {}
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.class,
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.Builder.class);
+    }
+
+    public interface KNNOrBuilder
+        extends
+        // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN)
+        com.google.protobuf.MessageOrBuilder {}
+
+    /**
+     *
+     *
+     * <pre>
+     * Config for KNN search.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN}
+     */
+    public static final class KNN extends com.google.protobuf.GeneratedMessage
+        implements
+        // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN)
+        KNNOrBuilder {
+      private static final long serialVersionUID = 0L;
+
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 0,
+            /* suffix= */ "",
+            "KNN");
+      }
+
+      // Use KNN.newBuilder() to construct.
+      private KNN(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+        super(builder);
+      }
+
+      private KNN() {}
+
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_KNN_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_KNN_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN.class,
+                com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN.Builder.class);
+      }
+
+      private byte memoizedIsInitialized = -1;
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        byte isInitialized = memoizedIsInitialized;
+        if (isInitialized == 1) return true;
+        if (isInitialized == 0) return false;
+
+        memoizedIsInitialized = 1;
+        return true;
+      }
+
+      @java.lang.Override
+      public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+        getUnknownFields().writeTo(output);
+      }
+
+      @java.lang.Override
+      public int getSerializedSize() {
+        int size = memoizedSize;
+        if (size != -1) return size;
+
+        size = 0;
+        size += getUnknownFields().getSerializedSize();
+        memoizedSize = size;
+        return size;
+      }
+
+      @java.lang.Override
+      public boolean equals(final java.lang.Object obj) {
+        if (obj == this) {
+          return true;
+        }
+        if (!(obj instanceof com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN)) {
+          return super.equals(obj);
+        }
+        com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN other =
+            (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN) obj;
+
+        if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+        return true;
+      }
+
+      @java.lang.Override
+      public int hashCode() {
+        if (memoizedHashCode != 0) {
+          return memoizedHashCode;
+        }
+        int hash = 41;
+        hash = (19 * hash) + getDescriptor().hashCode();
+        hash = (29 * hash) + getUnknownFields().hashCode();
+        memoizedHashCode = hash;
+        return hash;
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN parseFrom(
+          java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN parseFrom(
+          java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN parseFrom(
+          com.google.protobuf.ByteString data)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN parseFrom(
+          com.google.protobuf.ByteString data,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN parseFrom(
+          byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN parseFrom(
+          byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN parseFrom(
+          java.io.InputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN parseFrom(
+          java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN
+          parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN
+          parseDelimitedFrom(
+              java.io.InputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN parseFrom(
+          com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN parseFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      @java.lang.Override
+      public Builder newBuilderForType() {
+        return newBuilder();
+      }
+
+      public static Builder newBuilder() {
+        return DEFAULT_INSTANCE.toBuilder();
+      }
+
+      public static Builder newBuilder(
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN prototype) {
+        return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+      }
+
+      @java.lang.Override
+      public Builder toBuilder() {
+        return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      }
+
+      @java.lang.Override
+      protected Builder newBuilderForType(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        Builder builder = new Builder(parent);
+        return builder;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Config for KNN search.
+       * </pre>
+       *
+       * Protobuf type {@code google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN}
+       */
+      public static final class Builder
+          extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+          implements
+          // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN)
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNNOrBuilder {
+        public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+          return com.google.cloud.vertexai.api.VertexRagDataProto
+              .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_KNN_descriptor;
+        }
+
+        @java.lang.Override
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+            internalGetFieldAccessorTable() {
+          return com.google.cloud.vertexai.api.VertexRagDataProto
+              .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_KNN_fieldAccessorTable
+              .ensureFieldAccessorsInitialized(
+                  com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN.class,
+                  com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN.Builder.class);
+        }
+
+        // Construct using
+        // com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN.newBuilder()
+        private Builder() {}
+
+        private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+          super(parent);
+        }
+
+        @java.lang.Override
+        public Builder clear() {
+          super.clear();
+          return this;
+        }
+
+        @java.lang.Override
+        public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+          return com.google.cloud.vertexai.api.VertexRagDataProto
+              .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_KNN_descriptor;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN
+            getDefaultInstanceForType() {
+          return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN
+              .getDefaultInstance();
+        }
+
+        @java.lang.Override
+        public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN build() {
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN result = buildPartial();
+          if (!result.isInitialized()) {
+            throw newUninitializedMessageException(result);
+          }
+          return result;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN buildPartial() {
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN result =
+              new com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN(this);
+          onBuilt();
+          return result;
+        }
+
+        @java.lang.Override
+        public Builder mergeFrom(com.google.protobuf.Message other) {
+          if (other instanceof com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN) {
+            return mergeFrom(
+                (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN) other);
+          } else {
+            super.mergeFrom(other);
+            return this;
+          }
+        }
+
+        public Builder mergeFrom(
+            com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN other) {
+          if (other
+              == com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN
+                  .getDefaultInstance()) return this;
+          this.mergeUnknownFields(other.getUnknownFields());
+          onChanged();
+          return this;
+        }
+
+        @java.lang.Override
+        public final boolean isInitialized() {
+          return true;
+        }
+
+        @java.lang.Override
+        public Builder mergeFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+          if (extensionRegistry == null) {
+            throw new java.lang.NullPointerException();
+          }
+          try {
+            boolean done = false;
+            while (!done) {
+              int tag = input.readTag();
+              switch (tag) {
+                case 0:
+                  done = true;
+                  break;
+                default:
+                  {
+                    if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                      done = true; // was an endgroup tag
+                    }
+                    break;
+                  } // default:
+              } // switch (tag)
+            } // while (!done)
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.unwrapIOException();
+          } finally {
+            onChanged();
+          } // finally
+          return this;
+        }
+
+        // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN)
+      }
+
+      // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN)
+      private static final com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN
+          DEFAULT_INSTANCE;
+
+      static {
+        DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN();
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN
+          getDefaultInstance() {
+        return DEFAULT_INSTANCE;
+      }
+
+      private static final com.google.protobuf.Parser<KNN> PARSER =
+          new com.google.protobuf.AbstractParser<KNN>() {
+            @java.lang.Override
+            public KNN parsePartialFrom(
+                com.google.protobuf.CodedInputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+              Builder builder = newBuilder();
+              try {
+                builder.mergeFrom(input, extensionRegistry);
+              } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+                throw e.setUnfinishedMessage(builder.buildPartial());
+              } catch (com.google.protobuf.UninitializedMessageException e) {
+                throw e.asInvalidProtocolBufferException()
+                    .setUnfinishedMessage(builder.buildPartial());
+              } catch (java.io.IOException e) {
+                throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                    .setUnfinishedMessage(builder.buildPartial());
+              }
+              return builder.buildPartial();
+            }
+          };
+
+      public static com.google.protobuf.Parser<KNN> parser() {
+        return PARSER;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Parser<KNN> getParserForType() {
+        return PARSER;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN
+          getDefaultInstanceForType() {
+        return DEFAULT_INSTANCE;
+      }
+    }
+
+    public interface ANNOrBuilder
+        extends
+        // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN)
+        com.google.protobuf.MessageOrBuilder {
+
+      /**
+       *
+       *
+       * <pre>
+       * The depth of the tree-based structure. Only depth values of 2 and 3 are
+       * supported.
+       *
+       * Recommended value is 2 if you have if you have O(10K) files in the
+       * RagCorpus and set this to 3 if more than that.
+       *
+       * Default value is 2.
+       * </pre>
+       *
+       * <code>int32 tree_depth = 1;</code>
+       *
+       * @return The treeDepth.
+       */
+      int getTreeDepth();
+
+      /**
+       *
+       *
+       * <pre>
+       * Number of leaf nodes in the tree-based structure. Each leaf node
+       * contains groups of closely related vectors along with their
+       * corresponding centroid.
+       *
+       * Recommended value is 10 * sqrt(num of RagFiles in your RagCorpus).
+       *
+       * Default value is 500.
+       * </pre>
+       *
+       * <code>int32 leaf_count = 2;</code>
+       *
+       * @return The leafCount.
+       */
+      int getLeafCount();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Config for ANN search.
+     *
+     * RagManagedDb uses a tree-based structure to partition data and
+     * facilitate faster searches. As a tradeoff, it requires longer indexing
+     * time and manual triggering of index rebuild via the ImportRagFiles and
+     * UpdateRagCorpus API.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN}
+     */
+    public static final class ANN extends com.google.protobuf.GeneratedMessage
+        implements
+        // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN)
+        ANNOrBuilder {
+      private static final long serialVersionUID = 0L;
+
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 0,
+            /* suffix= */ "",
+            "ANN");
+      }
+
+      // Use ANN.newBuilder() to construct.
+      private ANN(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+        super(builder);
+      }
+
+      private ANN() {}
+
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_ANN_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_ANN_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN.class,
+                com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN.Builder.class);
+      }
+
+      public static final int TREE_DEPTH_FIELD_NUMBER = 1;
+      private int treeDepth_ = 0;
+
+      /**
+       *
+       *
+       * <pre>
+       * The depth of the tree-based structure. Only depth values of 2 and 3 are
+       * supported.
+       *
+       * Recommended value is 2 if you have if you have O(10K) files in the
+       * RagCorpus and set this to 3 if more than that.
+       *
+       * Default value is 2.
+       * </pre>
+       *
+       * <code>int32 tree_depth = 1;</code>
+       *
+       * @return The treeDepth.
+       */
+      @java.lang.Override
+      public int getTreeDepth() {
+        return treeDepth_;
+      }
+
+      public static final int LEAF_COUNT_FIELD_NUMBER = 2;
+      private int leafCount_ = 0;
+
+      /**
+       *
+       *
+       * <pre>
+       * Number of leaf nodes in the tree-based structure. Each leaf node
+       * contains groups of closely related vectors along with their
+       * corresponding centroid.
+       *
+       * Recommended value is 10 * sqrt(num of RagFiles in your RagCorpus).
+       *
+       * Default value is 500.
+       * </pre>
+       *
+       * <code>int32 leaf_count = 2;</code>
+       *
+       * @return The leafCount.
+       */
+      @java.lang.Override
+      public int getLeafCount() {
+        return leafCount_;
+      }
+
+      private byte memoizedIsInitialized = -1;
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+      @java.lang.Override
+      public final boolean isInitialized() {
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+        memoizedIsInitialized = 1;
+        return true;
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+      public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+        if (treeDepth_ != 0) {
+          output.writeInt32(1, treeDepth_);
+        }
+        if (leafCount_ != 0) {
+          output.writeInt32(2, leafCount_);
+        }
+        getUnknownFields().writeTo(output);
+      }
+
+      @java.lang.Override
+      public int getSerializedSize() {
+        int size = memoizedSize;
+        if (size != -1) return size;
+
+        size = 0;
+        if (treeDepth_ != 0) {
+          size += com.google.protobuf.CodedOutputStream.computeInt32Size(1, treeDepth_);
+        }
+        if (leafCount_ != 0) {
+          size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, leafCount_);
+        }
+        size += getUnknownFields().getSerializedSize();
+        memoizedSize = size;
+        return size;
+      }
+
+      @java.lang.Override
+      public boolean equals(final java.lang.Object obj) {
+        if (obj == this) {
+          return true;
+        }
+        if (!(obj instanceof com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN)) {
+          return super.equals(obj);
+        }
+        com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN other =
+            (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN) obj;
+
+        if (getTreeDepth() != other.getTreeDepth()) return false;
+        if (getLeafCount() != other.getLeafCount()) return false;
+        if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+        return true;
+      }
+
+      @java.lang.Override
+      public int hashCode() {
+        if (memoizedHashCode != 0) {
+          return memoizedHashCode;
+        }
+        int hash = 41;
+        hash = (19 * hash) + getDescriptor().hashCode();
+        hash = (37 * hash) + TREE_DEPTH_FIELD_NUMBER;
+        hash = (53 * hash) + getTreeDepth();
+        hash = (37 * hash) + LEAF_COUNT_FIELD_NUMBER;
+        hash = (53 * hash) + getLeafCount();
+        hash = (29 * hash) + getUnknownFields().hashCode();
+        memoizedHashCode = hash;
+        return hash;
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN parseFrom(
+          java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN parseFrom(
+          java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN parseFrom(
+          com.google.protobuf.ByteString data)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN parseFrom(
+          com.google.protobuf.ByteString data,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN parseFrom(
+          byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN parseFrom(
+          byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN parseFrom(
+          java.io.InputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN parseFrom(
+          java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN
+          parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN
+          parseDelimitedFrom(
+              java.io.InputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN parseFrom(
+          com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN parseFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      @java.lang.Override
+      public Builder newBuilderForType() {
+        return newBuilder();
+      }
+
+      public static Builder newBuilder() {
+        return DEFAULT_INSTANCE.toBuilder();
+      }
+
+      public static Builder newBuilder(
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN prototype) {
+        return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+      }
+
+      @java.lang.Override
+      public Builder toBuilder() {
+        return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      }
+
+      @java.lang.Override
+      protected Builder newBuilderForType(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        Builder builder = new Builder(parent);
+        return builder;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Config for ANN search.
+       *
+       * RagManagedDb uses a tree-based structure to partition data and
+       * facilitate faster searches. As a tradeoff, it requires longer indexing
+       * time and manual triggering of index rebuild via the ImportRagFiles and
+       * UpdateRagCorpus API.
+       * </pre>
+       *
+       * Protobuf type {@code google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN}
+       */
+      public static final class Builder
+          extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+          implements
+          // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN)
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANNOrBuilder {
+        public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+          return com.google.cloud.vertexai.api.VertexRagDataProto
+              .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_ANN_descriptor;
+        }
+
+        @java.lang.Override
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+            internalGetFieldAccessorTable() {
+          return com.google.cloud.vertexai.api.VertexRagDataProto
+              .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_ANN_fieldAccessorTable
+              .ensureFieldAccessorsInitialized(
+                  com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN.class,
+                  com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN.Builder.class);
+        }
+
+        // Construct using
+        // com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN.newBuilder()
+        private Builder() {}
+
+        private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+          super(parent);
+        }
+
+        @java.lang.Override
+        public Builder clear() {
+          super.clear();
+          bitField0_ = 0;
+          treeDepth_ = 0;
+          leafCount_ = 0;
+          return this;
+        }
+
+        @java.lang.Override
+        public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+          return com.google.cloud.vertexai.api.VertexRagDataProto
+              .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_ANN_descriptor;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN
+            getDefaultInstanceForType() {
+          return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN
+              .getDefaultInstance();
+        }
+
+        @java.lang.Override
+        public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN build() {
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN result = buildPartial();
+          if (!result.isInitialized()) {
+            throw newUninitializedMessageException(result);
+          }
+          return result;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN buildPartial() {
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN result =
+              new com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN(this);
+          if (bitField0_ != 0) {
+            buildPartial0(result);
+          }
+          onBuilt();
+          return result;
+        }
+
+        private void buildPartial0(
+            com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN result) {
+          int from_bitField0_ = bitField0_;
+          if (((from_bitField0_ & 0x00000001) != 0)) {
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+          if (((from_bitField0_ & 0x00000002) != 0)) {
+            result.leafCount_ = leafCount_;
+          }
+        }
+
+        @java.lang.Override
+        public Builder mergeFrom(com.google.protobuf.Message other) {
+          if (other instanceof com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN) {
+            return mergeFrom(
+                (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN) other);
+          } else {
+            super.mergeFrom(other);
+            return this;
+          }
+        }
+
+        public Builder mergeFrom(
+            com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN other) {
+          if (other
+              == com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN
+                  .getDefaultInstance()) return this;
+          if (other.getTreeDepth() != 0) {
+            setTreeDepth(other.getTreeDepth());
+          }
+          if (other.getLeafCount() != 0) {
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+          this.mergeUnknownFields(other.getUnknownFields());
+          onChanged();
+          return this;
+        }
+
+        @java.lang.Override
+        public final boolean isInitialized() {
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+        }
+
+        @java.lang.Override
+        public Builder mergeFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+          if (extensionRegistry == null) {
+            throw new java.lang.NullPointerException();
+          }
+          try {
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+            while (!done) {
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+                  done = true;
+                  break;
+                case 8:
+                  {
+                    treeDepth_ = input.readInt32();
+                    bitField0_ |= 0x00000001;
+                    break;
+                  } // case 8
+                case 16:
+                  {
+                    leafCount_ = input.readInt32();
+                    bitField0_ |= 0x00000002;
+                    break;
+                  } // case 16
+                default:
+                  {
+                    if (!super.parseUnknownField(input, extensionRegistry, tag)) {
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+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.unwrapIOException();
+          } finally {
+            onChanged();
+          } // finally
+          return this;
+        }
+
+        private int bitField0_;
+
+        private int treeDepth_;
+
+        /**
+         *
+         *
+         * <pre>
+         * The depth of the tree-based structure. Only depth values of 2 and 3 are
+         * supported.
+         *
+         * Recommended value is 2 if you have if you have O(10K) files in the
+         * RagCorpus and set this to 3 if more than that.
+         *
+         * Default value is 2.
+         * </pre>
+         *
+         * <code>int32 tree_depth = 1;</code>
+         *
+         * @return The treeDepth.
+         */
+        @java.lang.Override
+        public int getTreeDepth() {
+          return treeDepth_;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * The depth of the tree-based structure. Only depth values of 2 and 3 are
+         * supported.
+         *
+         * Recommended value is 2 if you have if you have O(10K) files in the
+         * RagCorpus and set this to 3 if more than that.
+         *
+         * Default value is 2.
+         * </pre>
+         *
+         * <code>int32 tree_depth = 1;</code>
+         *
+         * @param value The treeDepth to set.
+         * @return This builder for chaining.
+         */
+        public Builder setTreeDepth(int value) {
+
+          treeDepth_ = value;
+          bitField0_ |= 0x00000001;
+          onChanged();
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * The depth of the tree-based structure. Only depth values of 2 and 3 are
+         * supported.
+         *
+         * Recommended value is 2 if you have if you have O(10K) files in the
+         * RagCorpus and set this to 3 if more than that.
+         *
+         * Default value is 2.
+         * </pre>
+         *
+         * <code>int32 tree_depth = 1;</code>
+         *
+         * @return This builder for chaining.
+         */
+        public Builder clearTreeDepth() {
+          bitField0_ = (bitField0_ & ~0x00000001);
+          treeDepth_ = 0;
+          onChanged();
+          return this;
+        }
+
+        private int leafCount_;
+
+        /**
+         *
+         *
+         * <pre>
+         * Number of leaf nodes in the tree-based structure. Each leaf node
+         * contains groups of closely related vectors along with their
+         * corresponding centroid.
+         *
+         * Recommended value is 10 * sqrt(num of RagFiles in your RagCorpus).
+         *
+         * Default value is 500.
+         * </pre>
+         *
+         * <code>int32 leaf_count = 2;</code>
+         *
+         * @return The leafCount.
+         */
+        @java.lang.Override
+        public int getLeafCount() {
+          return leafCount_;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Number of leaf nodes in the tree-based structure. Each leaf node
+         * contains groups of closely related vectors along with their
+         * corresponding centroid.
+         *
+         * Recommended value is 10 * sqrt(num of RagFiles in your RagCorpus).
+         *
+         * Default value is 500.
+         * </pre>
+         *
+         * <code>int32 leaf_count = 2;</code>
+         *
+         * @param value The leafCount to set.
+         * @return This builder for chaining.
+         */
+        public Builder setLeafCount(int value) {
+
+          leafCount_ = value;
+          bitField0_ |= 0x00000002;
+          onChanged();
+          return this;
+        }
+
+        /**
+         *
+         *
+         * <pre>
+         * Number of leaf nodes in the tree-based structure. Each leaf node
+         * contains groups of closely related vectors along with their
+         * corresponding centroid.
+         *
+         * Recommended value is 10 * sqrt(num of RagFiles in your RagCorpus).
+         *
+         * Default value is 500.
+         * </pre>
+         *
+         * <code>int32 leaf_count = 2;</code>
+         *
+         * @return This builder for chaining.
+         */
+        public Builder clearLeafCount() {
+          bitField0_ = (bitField0_ & ~0x00000002);
+          leafCount_ = 0;
+          onChanged();
+          return this;
+        }
+
+        // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN)
+      }
+
+      // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN)
+      private static final com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN
+          DEFAULT_INSTANCE;
+
+      static {
+        DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN();
+      }
+
+      public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN
+          getDefaultInstance() {
+        return DEFAULT_INSTANCE;
+      }
+
+      private static final com.google.protobuf.Parser<ANN> PARSER =
+          new com.google.protobuf.AbstractParser<ANN>() {
+            @java.lang.Override
+            public ANN parsePartialFrom(
+                com.google.protobuf.CodedInputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+              Builder builder = newBuilder();
+              try {
+                builder.mergeFrom(input, extensionRegistry);
+              } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+                throw e.setUnfinishedMessage(builder.buildPartial());
+              } catch (com.google.protobuf.UninitializedMessageException e) {
+                throw e.asInvalidProtocolBufferException()
+                    .setUnfinishedMessage(builder.buildPartial());
+              } catch (java.io.IOException e) {
+                throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                    .setUnfinishedMessage(builder.buildPartial());
+              }
+              return builder.buildPartial();
+            }
+          };
+
+      public static com.google.protobuf.Parser<ANN> parser() {
+        return PARSER;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Parser<ANN> getParserForType() {
+        return PARSER;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN
+          getDefaultInstanceForType() {
+        return DEFAULT_INSTANCE;
+      }
+    }
+
+    private int retrievalStrategyCase_ = 0;
+
+    @SuppressWarnings("serial")
+    private java.lang.Object retrievalStrategy_;
+
+    public enum RetrievalStrategyCase
+        implements
+            com.google.protobuf.Internal.EnumLite,
+            com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+      KNN(1),
+      ANN(2),
+      RETRIEVALSTRATEGY_NOT_SET(0);
+      private final int value;
+
+      private RetrievalStrategyCase(int value) {
+        this.value = value;
+      }
+
+      /**
+       * @param value The number of the enum to look for.
+       * @return The enum associated with the given number.
+       * @deprecated Use {@link #forNumber(int)} instead.
+       */
+      @java.lang.Deprecated
+      public static RetrievalStrategyCase valueOf(int value) {
+        return forNumber(value);
+      }
+
+      public static RetrievalStrategyCase forNumber(int value) {
+        switch (value) {
+          case 1:
+            return KNN;
+          case 2:
+            return ANN;
+          case 0:
+            return RETRIEVALSTRATEGY_NOT_SET;
+          default:
+            return null;
+        }
+      }
+
+      public int getNumber() {
+        return this.value;
+      }
+    };
+
+    public RetrievalStrategyCase getRetrievalStrategyCase() {
+      return RetrievalStrategyCase.forNumber(retrievalStrategyCase_);
+    }
+
+    public static final int KNN_FIELD_NUMBER = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * Performs a KNN search on RagCorpus.
+     * Default choice if not specified.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+     *
+     * @return Whether the knn field is set.
+     */
+    @java.lang.Override
+    public boolean hasKnn() {
+      return retrievalStrategyCase_ == 1;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Performs a KNN search on RagCorpus.
+     * Default choice if not specified.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+     *
+     * @return The knn.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN getKnn() {
+      if (retrievalStrategyCase_ == 1) {
+        return (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN)
+            retrievalStrategy_;
+      }
+      return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN.getDefaultInstance();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Performs a KNN search on RagCorpus.
+     * Default choice if not specified.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNNOrBuilder
+        getKnnOrBuilder() {
+      if (retrievalStrategyCase_ == 1) {
+        return (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN)
+            retrievalStrategy_;
+      }
+      return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN.getDefaultInstance();
+    }
+
+    public static final int ANN_FIELD_NUMBER = 2;
+
+    /**
+     *
+     *
+     * <pre>
+     * Performs an ANN search on RagCorpus. Use this if you have a lot of
+     * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+     *
+     * @return Whether the ann field is set.
+     */
+    @java.lang.Override
+    public boolean hasAnn() {
+      return retrievalStrategyCase_ == 2;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Performs an ANN search on RagCorpus. Use this if you have a lot of
+     * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+     *
+     * @return The ann.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN getAnn() {
+      if (retrievalStrategyCase_ == 2) {
+        return (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN)
+            retrievalStrategy_;
+      }
+      return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN.getDefaultInstance();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Performs an ANN search on RagCorpus. Use this if you have a lot of
+     * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANNOrBuilder
+        getAnnOrBuilder() {
+      if (retrievalStrategyCase_ == 2) {
+        return (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN)
+            retrievalStrategy_;
+      }
+      return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN.getDefaultInstance();
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (retrievalStrategyCase_ == 1) {
+        output.writeMessage(
+            1,
+            (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN) retrievalStrategy_);
+      }
+      if (retrievalStrategyCase_ == 2) {
+        output.writeMessage(
+            2,
+            (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN) retrievalStrategy_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (retrievalStrategyCase_ == 1) {
+        size +=
+            com.google.protobuf.CodedOutputStream.computeMessageSize(
+                1,
+                (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN)
+                    retrievalStrategy_);
+      }
+      if (retrievalStrategyCase_ == 2) {
+        size +=
+            com.google.protobuf.CodedOutputStream.computeMessageSize(
+                2,
+                (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN)
+                    retrievalStrategy_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb other =
+          (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb) obj;
+
+      if (!getRetrievalStrategyCase().equals(other.getRetrievalStrategyCase())) return false;
+      switch (retrievalStrategyCase_) {
+        case 1:
+          if (!getKnn().equals(other.getKnn())) return false;
+          break;
+        case 2:
+          if (!getAnn().equals(other.getAnn())) return false;
+          break;
+        case 0:
+        default:
+      }
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      switch (retrievalStrategyCase_) {
+        case 1:
+          hash = (37 * hash) + KNN_FIELD_NUMBER;
+          hash = (53 * hash) + getKnn().hashCode();
+          break;
+        case 2:
+          hash = (37 * hash) + ANN_FIELD_NUMBER;
+          hash = (53 * hash) + getAnn().hashCode();
+          break;
+        case 0:
+        default:
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb parseDelimitedFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the default RAG-managed Vector DB.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb)
+        com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDbOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.class,
+                com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.Builder.class);
+      }
+
+      // Construct using com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        if (knnBuilder_ != null) {
+          knnBuilder_.clear();
+        }
+        if (annBuilder_ != null) {
+          annBuilder_.clear();
+        }
+        retrievalStrategyCase_ = 0;
+        retrievalStrategy_ = null;
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb
+          getDefaultInstanceForType() {
+        return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb build() {
+        com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb buildPartial() {
+        com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb result =
+            new com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        buildPartialOneofs(result);
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb result) {
+        int from_bitField0_ = bitField0_;
+      }
+
+      private void buildPartialOneofs(
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb result) {
+        result.retrievalStrategyCase_ = retrievalStrategyCase_;
+        result.retrievalStrategy_ = this.retrievalStrategy_;
+        if (retrievalStrategyCase_ == 1 && knnBuilder_ != null) {
+          result.retrievalStrategy_ = knnBuilder_.build();
+        }
+        if (retrievalStrategyCase_ == 2 && annBuilder_ != null) {
+          result.retrievalStrategy_ = annBuilder_.build();
+        }
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb) {
+          return mergeFrom((com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb other) {
+        if (other
+            == com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.getDefaultInstance())
+          return this;
+        switch (other.getRetrievalStrategyCase()) {
+          case KNN:
+            {
+              mergeKnn(other.getKnn());
+              break;
+            }
+          case ANN:
+            {
+              mergeAnn(other.getAnn());
+              break;
+            }
+          case RETRIEVALSTRATEGY_NOT_SET:
+            {
+              break;
+            }
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  input.readMessage(internalGetKnnFieldBuilder().getBuilder(), extensionRegistry);
+                  retrievalStrategyCase_ = 1;
+                  break;
+                } // case 10
+              case 18:
+                {
+                  input.readMessage(internalGetAnnFieldBuilder().getBuilder(), extensionRegistry);
+                  retrievalStrategyCase_ = 2;
+                  break;
+                } // case 18
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int retrievalStrategyCase_ = 0;
+      private java.lang.Object retrievalStrategy_;
+
+      public RetrievalStrategyCase getRetrievalStrategyCase() {
+        return RetrievalStrategyCase.forNumber(retrievalStrategyCase_);
+      }
+
+      public Builder clearRetrievalStrategy() {
+        retrievalStrategyCase_ = 0;
+        retrievalStrategy_ = null;
+        onChanged();
+        return this;
+      }
+
+      private int bitField0_;
+
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN,
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN.Builder,
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNNOrBuilder>
+          knnBuilder_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs a KNN search on RagCorpus.
+       * Default choice if not specified.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+       *
+       * @return Whether the knn field is set.
+       */
+      @java.lang.Override
+      public boolean hasKnn() {
+        return retrievalStrategyCase_ == 1;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs a KNN search on RagCorpus.
+       * Default choice if not specified.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+       *
+       * @return The knn.
+       */
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN getKnn() {
+        if (knnBuilder_ == null) {
+          if (retrievalStrategyCase_ == 1) {
+            return (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN)
+                retrievalStrategy_;
+          }
+          return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN
+              .getDefaultInstance();
+        } else {
+          if (retrievalStrategyCase_ == 1) {
+            return knnBuilder_.getMessage();
+          }
+          return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN
+              .getDefaultInstance();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs a KNN search on RagCorpus.
+       * Default choice if not specified.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+       */
+      public Builder setKnn(
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN value) {
+        if (knnBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          retrievalStrategy_ = value;
+          onChanged();
+        } else {
+          knnBuilder_.setMessage(value);
+        }
+        retrievalStrategyCase_ = 1;
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs a KNN search on RagCorpus.
+       * Default choice if not specified.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+       */
+      public Builder setKnn(
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN.Builder
+              builderForValue) {
+        if (knnBuilder_ == null) {
+          retrievalStrategy_ = builderForValue.build();
+          onChanged();
+        } else {
+          knnBuilder_.setMessage(builderForValue.build());
+        }
+        retrievalStrategyCase_ = 1;
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs a KNN search on RagCorpus.
+       * Default choice if not specified.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+       */
+      public Builder mergeKnn(
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN value) {
+        if (knnBuilder_ == null) {
+          if (retrievalStrategyCase_ == 1
+              && retrievalStrategy_
+                  != com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN
+                      .getDefaultInstance()) {
+            retrievalStrategy_ =
+                com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN
+                    .newBuilder(
+                        (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN)
+                            retrievalStrategy_)
+                    .mergeFrom(value)
+                    .buildPartial();
+          } else {
+            retrievalStrategy_ = value;
+          }
+          onChanged();
+        } else {
+          if (retrievalStrategyCase_ == 1) {
+            knnBuilder_.mergeFrom(value);
+          } else {
+            knnBuilder_.setMessage(value);
+          }
+        }
+        retrievalStrategyCase_ = 1;
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs a KNN search on RagCorpus.
+       * Default choice if not specified.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+       */
+      public Builder clearKnn() {
+        if (knnBuilder_ == null) {
+          if (retrievalStrategyCase_ == 1) {
+            retrievalStrategyCase_ = 0;
+            retrievalStrategy_ = null;
+            onChanged();
+          }
+        } else {
+          if (retrievalStrategyCase_ == 1) {
+            retrievalStrategyCase_ = 0;
+            retrievalStrategy_ = null;
+          }
+          knnBuilder_.clear();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs a KNN search on RagCorpus.
+       * Default choice if not specified.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+       */
+      public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN.Builder
+          getKnnBuilder() {
+        return internalGetKnnFieldBuilder().getBuilder();
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs a KNN search on RagCorpus.
+       * Default choice if not specified.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+       */
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNNOrBuilder
+          getKnnOrBuilder() {
+        if ((retrievalStrategyCase_ == 1) && (knnBuilder_ != null)) {
+          return knnBuilder_.getMessageOrBuilder();
+        } else {
+          if (retrievalStrategyCase_ == 1) {
+            return (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN)
+                retrievalStrategy_;
+          }
+          return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN
+              .getDefaultInstance();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs a KNN search on RagCorpus.
+       * Default choice if not specified.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.KNN knn = 1;</code>
+       */
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN,
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN.Builder,
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNNOrBuilder>
+          internalGetKnnFieldBuilder() {
+        if (knnBuilder_ == null) {
+          if (!(retrievalStrategyCase_ == 1)) {
+            retrievalStrategy_ =
+                com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN
+                    .getDefaultInstance();
+          }
+          knnBuilder_ =
+              new com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN,
+                  com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN.Builder,
+                  com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNNOrBuilder>(
+                  (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.KNN)
+                      retrievalStrategy_,
+                  getParentForChildren(),
+                  isClean());
+          retrievalStrategy_ = null;
+        }
+        retrievalStrategyCase_ = 1;
+        onChanged();
+        return knnBuilder_;
+      }
+
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN,
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN.Builder,
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANNOrBuilder>
+          annBuilder_;
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs an ANN search on RagCorpus. Use this if you have a lot of
+       * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+       *
+       * @return Whether the ann field is set.
+       */
+      @java.lang.Override
+      public boolean hasAnn() {
+        return retrievalStrategyCase_ == 2;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs an ANN search on RagCorpus. Use this if you have a lot of
+       * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+       *
+       * @return The ann.
+       */
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN getAnn() {
+        if (annBuilder_ == null) {
+          if (retrievalStrategyCase_ == 2) {
+            return (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN)
+                retrievalStrategy_;
+          }
+          return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN
+              .getDefaultInstance();
+        } else {
+          if (retrievalStrategyCase_ == 2) {
+            return annBuilder_.getMessage();
+          }
+          return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN
+              .getDefaultInstance();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs an ANN search on RagCorpus. Use this if you have a lot of
+       * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+       */
+      public Builder setAnn(
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN value) {
+        if (annBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          retrievalStrategy_ = value;
+          onChanged();
+        } else {
+          annBuilder_.setMessage(value);
+        }
+        retrievalStrategyCase_ = 2;
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs an ANN search on RagCorpus. Use this if you have a lot of
+       * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+       */
+      public Builder setAnn(
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN.Builder
+              builderForValue) {
+        if (annBuilder_ == null) {
+          retrievalStrategy_ = builderForValue.build();
+          onChanged();
+        } else {
+          annBuilder_.setMessage(builderForValue.build());
+        }
+        retrievalStrategyCase_ = 2;
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs an ANN search on RagCorpus. Use this if you have a lot of
+       * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+       */
+      public Builder mergeAnn(
+          com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN value) {
+        if (annBuilder_ == null) {
+          if (retrievalStrategyCase_ == 2
+              && retrievalStrategy_
+                  != com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN
+                      .getDefaultInstance()) {
+            retrievalStrategy_ =
+                com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN
+                    .newBuilder(
+                        (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN)
+                            retrievalStrategy_)
+                    .mergeFrom(value)
+                    .buildPartial();
+          } else {
+            retrievalStrategy_ = value;
+          }
+          onChanged();
+        } else {
+          if (retrievalStrategyCase_ == 2) {
+            annBuilder_.mergeFrom(value);
+          } else {
+            annBuilder_.setMessage(value);
+          }
+        }
+        retrievalStrategyCase_ = 2;
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs an ANN search on RagCorpus. Use this if you have a lot of
+       * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+       */
+      public Builder clearAnn() {
+        if (annBuilder_ == null) {
+          if (retrievalStrategyCase_ == 2) {
+            retrievalStrategyCase_ = 0;
+            retrievalStrategy_ = null;
+            onChanged();
+          }
+        } else {
+          if (retrievalStrategyCase_ == 2) {
+            retrievalStrategyCase_ = 0;
+            retrievalStrategy_ = null;
+          }
+          annBuilder_.clear();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs an ANN search on RagCorpus. Use this if you have a lot of
+       * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+       */
+      public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN.Builder
+          getAnnBuilder() {
+        return internalGetAnnFieldBuilder().getBuilder();
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs an ANN search on RagCorpus. Use this if you have a lot of
+       * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+       */
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANNOrBuilder
+          getAnnOrBuilder() {
+        if ((retrievalStrategyCase_ == 2) && (annBuilder_ != null)) {
+          return annBuilder_.getMessageOrBuilder();
+        } else {
+          if (retrievalStrategyCase_ == 2) {
+            return (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN)
+                retrievalStrategy_;
+          }
+          return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN
+              .getDefaultInstance();
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Performs an ANN search on RagCorpus. Use this if you have a lot of
+       * files (&gt; 10K) in your RagCorpus and want to reduce the search latency.
+       * </pre>
+       *
+       * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb.ANN ann = 2;</code>
+       */
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN,
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN.Builder,
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANNOrBuilder>
+          internalGetAnnFieldBuilder() {
+        if (annBuilder_ == null) {
+          if (!(retrievalStrategyCase_ == 2)) {
+            retrievalStrategy_ =
+                com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN
+                    .getDefaultInstance();
+          }
+          annBuilder_ =
+              new com.google.protobuf.SingleFieldBuilder<
+                  com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN,
+                  com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN.Builder,
+                  com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANNOrBuilder>(
+                  (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.ANN)
+                      retrievalStrategy_,
+                  getParentForChildren(),
+                  isClean());
+          retrievalStrategy_ = null;
+        }
+        retrievalStrategyCase_ = 2;
+        onChanged();
+        return annBuilder_;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb)
+    private static final com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb();
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<RagManagedDb> PARSER =
+        new com.google.protobuf.AbstractParser<RagManagedDb>() {
+          @java.lang.Override
+          public RagManagedDb parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<RagManagedDb> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<RagManagedDb> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface PineconeOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Pinecone index name.
+     * This value cannot be changed after it's set.
+     * </pre>
+     *
+     * <code>string index_name = 1;</code>
+     *
+     * @return The indexName.
+     */
+    java.lang.String getIndexName();
+
+    /**
+     *
+     *
+     * <pre>
+     * Pinecone index name.
+     * This value cannot be changed after it's set.
+     * </pre>
+     *
+     * <code>string index_name = 1;</code>
+     *
+     * @return The bytes for indexName.
+     */
+    com.google.protobuf.ByteString getIndexNameBytes();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the Pinecone.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone}
+   */
+  public static final class Pinecone extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone)
+      PineconeOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "Pinecone");
+    }
+
+    // Use Pinecone.newBuilder() to construct.
+    private Pinecone(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private Pinecone() {
+      indexName_ = "";
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_Pinecone_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_Pinecone_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.class,
+              com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.Builder.class);
+    }
+
+    public static final int INDEX_NAME_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object indexName_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Pinecone index name.
+     * This value cannot be changed after it's set.
+     * </pre>
+     *
+     * <code>string index_name = 1;</code>
+     *
+     * @return The indexName.
+     */
+    @java.lang.Override
+    public java.lang.String getIndexName() {
+      java.lang.Object ref = indexName_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        indexName_ = s;
+        return s;
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+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Pinecone index name.
+     * This value cannot be changed after it's set.
+     * </pre>
+     *
+     * <code>string index_name = 1;</code>
+     *
+     * @return The bytes for indexName.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getIndexNameBytes() {
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+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
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+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
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+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(indexName_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, indexName_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(indexName_)) {
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+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone other =
+          (com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone) obj;
+
+      if (!getIndexName().equals(other.getIndexName())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + INDEX_NAME_FIELD_NUMBER;
+      hash = (53 * hash) + getIndexName().hashCode();
+      hash = (29 * hash) + getUnknownFields().hashCode();
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+       *
+       * <pre>
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+       * This value cannot be changed after it's set.
+       * </pre>
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+       * This value cannot be changed after it's set.
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+       * @return This builder for chaining.
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+       * <pre>
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+       * This value cannot be changed after it's set.
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+       *
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+    }
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+    @java.lang.Override
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+    }
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+    /**
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+     *
+     * <pre>
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+     *
+     * <code>string index_endpoint = 1;</code>
+     *
+     * @return The indexEndpoint.
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+    /**
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+     *
+     * <pre>
+     * The resource name of the Index Endpoint.
+     * Format:
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+     * <code>string index_endpoint = 1;</code>
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+     * @return The bytes for indexEndpoint.
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+     * <code>string index = 2;</code>
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+      if (!getIndexEndpoint().equals(other.getIndexEndpoint())) return false;
+      if (!getIndex().equals(other.getIndex())) return false;
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+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Vertex Vector Search.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch)
+        com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearchOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_VertexVectorSearch_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_VertexVectorSearch_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch.class,
+                com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch.Builder.class);
+      }
+
+      // Construct using
+      // com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        indexEndpoint_ = "";
+        index_ = "";
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.vertexai.api.VertexRagDataProto
+            .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_VertexVectorSearch_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+          getDefaultInstanceForType() {
+        return com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch build() {
+        com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch buildPartial() {
+        com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch result =
+            new com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.indexEndpoint_ = indexEndpoint_;
+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.index_ = index_;
+        }
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch) {
+          return mergeFrom(
+              (com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch other) {
+        if (other
+            == com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+                .getDefaultInstance()) return this;
+        if (!other.getIndexEndpoint().isEmpty()) {
+          indexEndpoint_ = other.indexEndpoint_;
+          bitField0_ |= 0x00000001;
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+        if (!other.getIndex().isEmpty()) {
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+          onChanged();
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+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
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+          while (!done) {
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+            switch (tag) {
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+                done = true;
+                break;
+              case 10:
+                {
+                  indexEndpoint_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 10
+              case 18:
+                {
+                  index_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 18
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.lang.Object indexEndpoint_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * The resource name of the Index Endpoint.
+       * Format:
+       * `projects/{project}/locations/{location}/indexEndpoints/{index_endpoint}`
+       * </pre>
+       *
+       * <code>string index_endpoint = 1;</code>
+       *
+       * @return The indexEndpoint.
+       */
+      public java.lang.String getIndexEndpoint() {
+        java.lang.Object ref = indexEndpoint_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          indexEndpoint_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The resource name of the Index Endpoint.
+       * Format:
+       * `projects/{project}/locations/{location}/indexEndpoints/{index_endpoint}`
+       * </pre>
+       *
+       * <code>string index_endpoint = 1;</code>
+       *
+       * @return The bytes for indexEndpoint.
+       */
+      public com.google.protobuf.ByteString getIndexEndpointBytes() {
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+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
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+          indexEndpoint_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The resource name of the Index Endpoint.
+       * Format:
+       * `projects/{project}/locations/{location}/indexEndpoints/{index_endpoint}`
+       * </pre>
+       *
+       * <code>string index_endpoint = 1;</code>
+       *
+       * @param value The indexEndpoint to set.
+       * @return This builder for chaining.
+       */
+      public Builder setIndexEndpoint(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        indexEndpoint_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The resource name of the Index Endpoint.
+       * Format:
+       * `projects/{project}/locations/{location}/indexEndpoints/{index_endpoint}`
+       * </pre>
+       *
+       * <code>string index_endpoint = 1;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearIndexEndpoint() {
+        indexEndpoint_ = getDefaultInstance().getIndexEndpoint();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The resource name of the Index Endpoint.
+       * Format:
+       * `projects/{project}/locations/{location}/indexEndpoints/{index_endpoint}`
+       * </pre>
+       *
+       * <code>string index_endpoint = 1;</code>
+       *
+       * @param value The bytes for indexEndpoint to set.
+       * @return This builder for chaining.
+       */
+      public Builder setIndexEndpointBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        indexEndpoint_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object index_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * The resource name of the Index.
+       * Format:
+       * `projects/{project}/locations/{location}/indexes/{index}`
+       * </pre>
+       *
+       * <code>string index = 2;</code>
+       *
+       * @return The index.
+       */
+      public java.lang.String getIndex() {
+        java.lang.Object ref = index_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          index_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The resource name of the Index.
+       * Format:
+       * `projects/{project}/locations/{location}/indexes/{index}`
+       * </pre>
+       *
+       * <code>string index = 2;</code>
+       *
+       * @return The bytes for index.
+       */
+      public com.google.protobuf.ByteString getIndexBytes() {
+        java.lang.Object ref = index_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          index_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The resource name of the Index.
+       * Format:
+       * `projects/{project}/locations/{location}/indexes/{index}`
+       * </pre>
+       *
+       * <code>string index = 2;</code>
+       *
+       * @param value The index to set.
+       * @return This builder for chaining.
+       */
+      public Builder setIndex(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        index_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The resource name of the Index.
+       * Format:
+       * `projects/{project}/locations/{location}/indexes/{index}`
+       * </pre>
+       *
+       * <code>string index = 2;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearIndex() {
+        index_ = getDefaultInstance().getIndex();
+        bitField0_ = (bitField0_ & ~0x00000002);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * The resource name of the Index.
+       * Format:
+       * `projects/{project}/locations/{location}/indexes/{index}`
+       * </pre>
+       *
+       * <code>string index = 2;</code>
+       *
+       * @param value The bytes for index to set.
+       * @return This builder for chaining.
+       */
+      public Builder setIndexBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        index_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch)
+    private static final com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch();
+    }
+
+    public static com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<VertexVectorSearch> PARSER =
+        new com.google.protobuf.AbstractParser<VertexVectorSearch>() {
+          @java.lang.Override
+          public VertexVectorSearch parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<VertexVectorSearch> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<VertexVectorSearch> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  private int bitField0_;
+  private int vectorDbCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object vectorDb_;
+
+  public enum VectorDbCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    RAG_MANAGED_DB(1),
+    PINECONE(3),
+    VERTEX_VECTOR_SEARCH(6),
+    VECTORDB_NOT_SET(0);
+    private final int value;
+
+    private VectorDbCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static VectorDbCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static VectorDbCase forNumber(int value) {
+      switch (value) {
+        case 1:
+          return RAG_MANAGED_DB;
+        case 3:
+          return PINECONE;
+        case 6:
+          return VERTEX_VECTOR_SEARCH;
+        case 0:
+          return VECTORDB_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public VectorDbCase getVectorDbCase() {
+    return VectorDbCase.forNumber(vectorDbCase_);
+  }
+
+  public static final int RAG_MANAGED_DB_FIELD_NUMBER = 1;
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the RAG-managed Vector DB.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+   *
+   * @return Whether the ragManagedDb field is set.
+   */
+  @java.lang.Override
+  public boolean hasRagManagedDb() {
+    return vectorDbCase_ == 1;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the RAG-managed Vector DB.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+   *
+   * @return The ragManagedDb.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb getRagManagedDb() {
+    if (vectorDbCase_ == 1) {
+      return (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb) vectorDb_;
+    }
+    return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the RAG-managed Vector DB.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDbOrBuilder
+      getRagManagedDbOrBuilder() {
+    if (vectorDbCase_ == 1) {
+      return (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb) vectorDb_;
+    }
+    return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.getDefaultInstance();
+  }
+
+  public static final int PINECONE_FIELD_NUMBER = 3;
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the Pinecone.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+   *
+   * @return Whether the pinecone field is set.
+   */
+  @java.lang.Override
+  public boolean hasPinecone() {
+    return vectorDbCase_ == 3;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the Pinecone.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+   *
+   * @return The pinecone.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone getPinecone() {
+    if (vectorDbCase_ == 3) {
+      return (com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone) vectorDb_;
+    }
+    return com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the Pinecone.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagVectorDbConfig.PineconeOrBuilder getPineconeOrBuilder() {
+    if (vectorDbCase_ == 3) {
+      return (com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone) vectorDb_;
+    }
+    return com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.getDefaultInstance();
+  }
+
+  public static final int VERTEX_VECTOR_SEARCH_FIELD_NUMBER = 6;
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the Vertex Vector Search.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+   * </code>
+   *
+   * @return Whether the vertexVectorSearch field is set.
+   */
+  @java.lang.Override
+  public boolean hasVertexVectorSearch() {
+    return vectorDbCase_ == 6;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the Vertex Vector Search.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+   * </code>
+   *
+   * @return The vertexVectorSearch.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+      getVertexVectorSearch() {
+    if (vectorDbCase_ == 6) {
+      return (com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch) vectorDb_;
+    }
+    return com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the Vertex Vector Search.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearchOrBuilder
+      getVertexVectorSearchOrBuilder() {
+    if (vectorDbCase_ == 6) {
+      return (com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch) vectorDb_;
+    }
+    return com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch.getDefaultInstance();
+  }
+
+  public static final int API_AUTH_FIELD_NUMBER = 5;
+  private com.google.cloud.vertexai.api.ApiAuth apiAuth_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Authentication config for the chosen Vector DB.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+   *
+   * @return Whether the apiAuth field is set.
+   */
+  @java.lang.Override
+  public boolean hasApiAuth() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Authentication config for the chosen Vector DB.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+   *
+   * @return The apiAuth.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ApiAuth getApiAuth() {
+    return apiAuth_ == null ? com.google.cloud.vertexai.api.ApiAuth.getDefaultInstance() : apiAuth_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Authentication config for the chosen Vector DB.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ApiAuthOrBuilder getApiAuthOrBuilder() {
+    return apiAuth_ == null ? com.google.cloud.vertexai.api.ApiAuth.getDefaultInstance() : apiAuth_;
+  }
+
+  public static final int RAG_EMBEDDING_MODEL_CONFIG_FIELD_NUMBER = 7;
+  private com.google.cloud.vertexai.api.RagEmbeddingModelConfig ragEmbeddingModelConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The embedding model config of the Vector DB.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return Whether the ragEmbeddingModelConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasRagEmbeddingModelConfig() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The embedding model config of the Vector DB.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The ragEmbeddingModelConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagEmbeddingModelConfig getRagEmbeddingModelConfig() {
+    return ragEmbeddingModelConfig_ == null
+        ? com.google.cloud.vertexai.api.RagEmbeddingModelConfig.getDefaultInstance()
+        : ragEmbeddingModelConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The embedding model config of the Vector DB.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagEmbeddingModelConfigOrBuilder
+      getRagEmbeddingModelConfigOrBuilder() {
+    return ragEmbeddingModelConfig_ == null
+        ? com.google.cloud.vertexai.api.RagEmbeddingModelConfig.getDefaultInstance()
+        : ragEmbeddingModelConfig_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (vectorDbCase_ == 1) {
+      output.writeMessage(
+          1, (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb) vectorDb_);
+    }
+    if (vectorDbCase_ == 3) {
+      output.writeMessage(3, (com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone) vectorDb_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(5, getApiAuth());
+    }
+    if (vectorDbCase_ == 6) {
+      output.writeMessage(
+          6, (com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch) vectorDb_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(7, getRagEmbeddingModelConfig());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (vectorDbCase_ == 1) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              1, (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb) vectorDb_);
+    }
+    if (vectorDbCase_ == 3) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              3, (com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone) vectorDb_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(5, getApiAuth());
+    }
+    if (vectorDbCase_ == 6) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              6, (com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch) vectorDb_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(7, getRagEmbeddingModelConfig());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.RagVectorDbConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.RagVectorDbConfig other =
+        (com.google.cloud.vertexai.api.RagVectorDbConfig) obj;
+
+    if (hasApiAuth() != other.hasApiAuth()) return false;
+    if (hasApiAuth()) {
+      if (!getApiAuth().equals(other.getApiAuth())) return false;
+    }
+    if (hasRagEmbeddingModelConfig() != other.hasRagEmbeddingModelConfig()) return false;
+    if (hasRagEmbeddingModelConfig()) {
+      if (!getRagEmbeddingModelConfig().equals(other.getRagEmbeddingModelConfig())) return false;
+    }
+    if (!getVectorDbCase().equals(other.getVectorDbCase())) return false;
+    switch (vectorDbCase_) {
+      case 1:
+        if (!getRagManagedDb().equals(other.getRagManagedDb())) return false;
+        break;
+      case 3:
+        if (!getPinecone().equals(other.getPinecone())) return false;
+        break;
+      case 6:
+        if (!getVertexVectorSearch().equals(other.getVertexVectorSearch())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasApiAuth()) {
+      hash = (37 * hash) + API_AUTH_FIELD_NUMBER;
+      hash = (53 * hash) + getApiAuth().hashCode();
+    }
+    if (hasRagEmbeddingModelConfig()) {
+      hash = (37 * hash) + RAG_EMBEDDING_MODEL_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getRagEmbeddingModelConfig().hashCode();
+    }
+    switch (vectorDbCase_) {
+      case 1:
+        hash = (37 * hash) + RAG_MANAGED_DB_FIELD_NUMBER;
+        hash = (53 * hash) + getRagManagedDb().hashCode();
+        break;
+      case 3:
+        hash = (37 * hash) + PINECONE_FIELD_NUMBER;
+        hash = (53 * hash) + getPinecone().hashCode();
+        break;
+      case 6:
+        hash = (37 * hash) + VERTEX_VECTOR_SEARCH_FIELD_NUMBER;
+        hash = (53 * hash) + getVertexVectorSearch().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.RagVectorDbConfig parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagVectorDbConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagVectorDbConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagVectorDbConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagVectorDbConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.RagVectorDbConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagVectorDbConfig parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagVectorDbConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagVectorDbConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagVectorDbConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.RagVectorDbConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.RagVectorDbConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.RagVectorDbConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Config for the Vector DB to use for RAG.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.RagVectorDbConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RagVectorDbConfig)
+      com.google.cloud.vertexai.api.RagVectorDbConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.RagVectorDbConfig.class,
+              com.google.cloud.vertexai.api.RagVectorDbConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.RagVectorDbConfig.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetApiAuthFieldBuilder();
+        internalGetRagEmbeddingModelConfigFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (ragManagedDbBuilder_ != null) {
+        ragManagedDbBuilder_.clear();
+      }
+      if (pineconeBuilder_ != null) {
+        pineconeBuilder_.clear();
+      }
+      if (vertexVectorSearchBuilder_ != null) {
+        vertexVectorSearchBuilder_.clear();
+      }
+      apiAuth_ = null;
+      if (apiAuthBuilder_ != null) {
+        apiAuthBuilder_.dispose();
+        apiAuthBuilder_ = null;
+      }
+      ragEmbeddingModelConfig_ = null;
+      if (ragEmbeddingModelConfigBuilder_ != null) {
+        ragEmbeddingModelConfigBuilder_.dispose();
+        ragEmbeddingModelConfigBuilder_ = null;
+      }
+      vectorDbCase_ = 0;
+      vectorDb_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.RagVectorDbConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig build() {
+      com.google.cloud.vertexai.api.RagVectorDbConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig buildPartial() {
+      com.google.cloud.vertexai.api.RagVectorDbConfig result =
+          new com.google.cloud.vertexai.api.RagVectorDbConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.RagVectorDbConfig result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.apiAuth_ = apiAuthBuilder_ == null ? apiAuth_ : apiAuthBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      if (((from_bitField0_ & 0x00000010) != 0)) {
+        result.ragEmbeddingModelConfig_ =
+            ragEmbeddingModelConfigBuilder_ == null
+                ? ragEmbeddingModelConfig_
+                : ragEmbeddingModelConfigBuilder_.build();
+        to_bitField0_ |= 0x00000002;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.vertexai.api.RagVectorDbConfig result) {
+      result.vectorDbCase_ = vectorDbCase_;
+      result.vectorDb_ = this.vectorDb_;
+      if (vectorDbCase_ == 1 && ragManagedDbBuilder_ != null) {
+        result.vectorDb_ = ragManagedDbBuilder_.build();
+      }
+      if (vectorDbCase_ == 3 && pineconeBuilder_ != null) {
+        result.vectorDb_ = pineconeBuilder_.build();
+      }
+      if (vectorDbCase_ == 6 && vertexVectorSearchBuilder_ != null) {
+        result.vectorDb_ = vertexVectorSearchBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.RagVectorDbConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.RagVectorDbConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.RagVectorDbConfig other) {
+      if (other == com.google.cloud.vertexai.api.RagVectorDbConfig.getDefaultInstance())
+        return this;
+      if (other.hasApiAuth()) {
+        mergeApiAuth(other.getApiAuth());
+      }
+      if (other.hasRagEmbeddingModelConfig()) {
+        mergeRagEmbeddingModelConfig(other.getRagEmbeddingModelConfig());
+      }
+      switch (other.getVectorDbCase()) {
+        case RAG_MANAGED_DB:
+          {
+            mergeRagManagedDb(other.getRagManagedDb());
+            break;
+          }
+        case PINECONE:
+          {
+            mergePinecone(other.getPinecone());
+            break;
+          }
+        case VERTEX_VECTOR_SEARCH:
+          {
+            mergeVertexVectorSearch(other.getVertexVectorSearch());
+            break;
+          }
+        case VECTORDB_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(
+                    internalGetRagManagedDbFieldBuilder().getBuilder(), extensionRegistry);
+                vectorDbCase_ = 1;
+                break;
+              } // case 10
+            case 26:
+              {
+                input.readMessage(
+                    internalGetPineconeFieldBuilder().getBuilder(), extensionRegistry);
+                vectorDbCase_ = 3;
+                break;
+              } // case 26
+            case 42:
+              {
+                input.readMessage(internalGetApiAuthFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 42
+            case 50:
+              {
+                input.readMessage(
+                    internalGetVertexVectorSearchFieldBuilder().getBuilder(), extensionRegistry);
+                vectorDbCase_ = 6;
+                break;
+              } // case 50
+            case 58:
+              {
+                input.readMessage(
+                    internalGetRagEmbeddingModelConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                bitField0_ |= 0x00000010;
+                break;
+              } // case 58
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int vectorDbCase_ = 0;
+    private java.lang.Object vectorDb_;
+
+    public VectorDbCase getVectorDbCase() {
+      return VectorDbCase.forNumber(vectorDbCase_);
+    }
+
+    public Builder clearVectorDb() {
+      vectorDbCase_ = 0;
+      vectorDb_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.Builder,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDbOrBuilder>
+        ragManagedDbBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the RAG-managed Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+     *
+     * @return Whether the ragManagedDb field is set.
+     */
+    @java.lang.Override
+    public boolean hasRagManagedDb() {
+      return vectorDbCase_ == 1;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the RAG-managed Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+     *
+     * @return The ragManagedDb.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb getRagManagedDb() {
+      if (ragManagedDbBuilder_ == null) {
+        if (vectorDbCase_ == 1) {
+          return (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb) vectorDb_;
+        }
+        return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.getDefaultInstance();
+      } else {
+        if (vectorDbCase_ == 1) {
+          return ragManagedDbBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the RAG-managed Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+     */
+    public Builder setRagManagedDb(
+        com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb value) {
+      if (ragManagedDbBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        vectorDb_ = value;
+        onChanged();
+      } else {
+        ragManagedDbBuilder_.setMessage(value);
+      }
+      vectorDbCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the RAG-managed Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+     */
+    public Builder setRagManagedDb(
+        com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.Builder builderForValue) {
+      if (ragManagedDbBuilder_ == null) {
+        vectorDb_ = builderForValue.build();
+        onChanged();
+      } else {
+        ragManagedDbBuilder_.setMessage(builderForValue.build());
+      }
+      vectorDbCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the RAG-managed Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+     */
+    public Builder mergeRagManagedDb(
+        com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb value) {
+      if (ragManagedDbBuilder_ == null) {
+        if (vectorDbCase_ == 1
+            && vectorDb_
+                != com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb
+                    .getDefaultInstance()) {
+          vectorDb_ =
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.newBuilder(
+                      (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb) vectorDb_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          vectorDb_ = value;
+        }
+        onChanged();
+      } else {
+        if (vectorDbCase_ == 1) {
+          ragManagedDbBuilder_.mergeFrom(value);
+        } else {
+          ragManagedDbBuilder_.setMessage(value);
+        }
+      }
+      vectorDbCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the RAG-managed Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+     */
+    public Builder clearRagManagedDb() {
+      if (ragManagedDbBuilder_ == null) {
+        if (vectorDbCase_ == 1) {
+          vectorDbCase_ = 0;
+          vectorDb_ = null;
+          onChanged();
+        }
+      } else {
+        if (vectorDbCase_ == 1) {
+          vectorDbCase_ = 0;
+          vectorDb_ = null;
+        }
+        ragManagedDbBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the RAG-managed Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+     */
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.Builder
+        getRagManagedDbBuilder() {
+      return internalGetRagManagedDbFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the RAG-managed Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDbOrBuilder
+        getRagManagedDbOrBuilder() {
+      if ((vectorDbCase_ == 1) && (ragManagedDbBuilder_ != null)) {
+        return ragManagedDbBuilder_.getMessageOrBuilder();
+      } else {
+        if (vectorDbCase_ == 1) {
+          return (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb) vectorDb_;
+        }
+        return com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the RAG-managed Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.Builder,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDbOrBuilder>
+        internalGetRagManagedDbFieldBuilder() {
+      if (ragManagedDbBuilder_ == null) {
+        if (!(vectorDbCase_ == 1)) {
+          vectorDb_ =
+              com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.getDefaultInstance();
+        }
+        ragManagedDbBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb,
+                com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb.Builder,
+                com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDbOrBuilder>(
+                (com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb) vectorDb_,
+                getParentForChildren(),
+                isClean());
+        vectorDb_ = null;
+      }
+      vectorDbCase_ = 1;
+      onChanged();
+      return ragManagedDbBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.Builder,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.PineconeOrBuilder>
+        pineconeBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Pinecone.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+     *
+     * @return Whether the pinecone field is set.
+     */
+    @java.lang.Override
+    public boolean hasPinecone() {
+      return vectorDbCase_ == 3;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Pinecone.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+     *
+     * @return The pinecone.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone getPinecone() {
+      if (pineconeBuilder_ == null) {
+        if (vectorDbCase_ == 3) {
+          return (com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone) vectorDb_;
+        }
+        return com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.getDefaultInstance();
+      } else {
+        if (vectorDbCase_ == 3) {
+          return pineconeBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Pinecone.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+     */
+    public Builder setPinecone(com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone value) {
+      if (pineconeBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        vectorDb_ = value;
+        onChanged();
+      } else {
+        pineconeBuilder_.setMessage(value);
+      }
+      vectorDbCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Pinecone.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+     */
+    public Builder setPinecone(
+        com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.Builder builderForValue) {
+      if (pineconeBuilder_ == null) {
+        vectorDb_ = builderForValue.build();
+        onChanged();
+      } else {
+        pineconeBuilder_.setMessage(builderForValue.build());
+      }
+      vectorDbCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Pinecone.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+     */
+    public Builder mergePinecone(com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone value) {
+      if (pineconeBuilder_ == null) {
+        if (vectorDbCase_ == 3
+            && vectorDb_
+                != com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.getDefaultInstance()) {
+          vectorDb_ =
+              com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.newBuilder(
+                      (com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone) vectorDb_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          vectorDb_ = value;
+        }
+        onChanged();
+      } else {
+        if (vectorDbCase_ == 3) {
+          pineconeBuilder_.mergeFrom(value);
+        } else {
+          pineconeBuilder_.setMessage(value);
+        }
+      }
+      vectorDbCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Pinecone.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+     */
+    public Builder clearPinecone() {
+      if (pineconeBuilder_ == null) {
+        if (vectorDbCase_ == 3) {
+          vectorDbCase_ = 0;
+          vectorDb_ = null;
+          onChanged();
+        }
+      } else {
+        if (vectorDbCase_ == 3) {
+          vectorDbCase_ = 0;
+          vectorDb_ = null;
+        }
+        pineconeBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Pinecone.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+     */
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.Builder getPineconeBuilder() {
+      return internalGetPineconeFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Pinecone.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.PineconeOrBuilder
+        getPineconeOrBuilder() {
+      if ((vectorDbCase_ == 3) && (pineconeBuilder_ != null)) {
+        return pineconeBuilder_.getMessageOrBuilder();
+      } else {
+        if (vectorDbCase_ == 3) {
+          return (com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone) vectorDb_;
+        }
+        return com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Pinecone.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.Builder,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.PineconeOrBuilder>
+        internalGetPineconeFieldBuilder() {
+      if (pineconeBuilder_ == null) {
+        if (!(vectorDbCase_ == 3)) {
+          vectorDb_ = com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.getDefaultInstance();
+        }
+        pineconeBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone,
+                com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone.Builder,
+                com.google.cloud.vertexai.api.RagVectorDbConfig.PineconeOrBuilder>(
+                (com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone) vectorDb_,
+                getParentForChildren(),
+                isClean());
+        vectorDb_ = null;
+      }
+      vectorDbCase_ = 3;
+      onChanged();
+      return pineconeBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch.Builder,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearchOrBuilder>
+        vertexVectorSearchBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Vertex Vector Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+     * </code>
+     *
+     * @return Whether the vertexVectorSearch field is set.
+     */
+    @java.lang.Override
+    public boolean hasVertexVectorSearch() {
+      return vectorDbCase_ == 6;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Vertex Vector Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+     * </code>
+     *
+     * @return The vertexVectorSearch.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+        getVertexVectorSearch() {
+      if (vertexVectorSearchBuilder_ == null) {
+        if (vectorDbCase_ == 6) {
+          return (com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch) vectorDb_;
+        }
+        return com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+            .getDefaultInstance();
+      } else {
+        if (vectorDbCase_ == 6) {
+          return vertexVectorSearchBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+            .getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Vertex Vector Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+     * </code>
+     */
+    public Builder setVertexVectorSearch(
+        com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch value) {
+      if (vertexVectorSearchBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        vectorDb_ = value;
+        onChanged();
+      } else {
+        vertexVectorSearchBuilder_.setMessage(value);
+      }
+      vectorDbCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Vertex Vector Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+     * </code>
+     */
+    public Builder setVertexVectorSearch(
+        com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch.Builder
+            builderForValue) {
+      if (vertexVectorSearchBuilder_ == null) {
+        vectorDb_ = builderForValue.build();
+        onChanged();
+      } else {
+        vertexVectorSearchBuilder_.setMessage(builderForValue.build());
+      }
+      vectorDbCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Vertex Vector Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+     * </code>
+     */
+    public Builder mergeVertexVectorSearch(
+        com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch value) {
+      if (vertexVectorSearchBuilder_ == null) {
+        if (vectorDbCase_ == 6
+            && vectorDb_
+                != com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+                    .getDefaultInstance()) {
+          vectorDb_ =
+              com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch.newBuilder(
+                      (com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch)
+                          vectorDb_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          vectorDb_ = value;
+        }
+        onChanged();
+      } else {
+        if (vectorDbCase_ == 6) {
+          vertexVectorSearchBuilder_.mergeFrom(value);
+        } else {
+          vertexVectorSearchBuilder_.setMessage(value);
+        }
+      }
+      vectorDbCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Vertex Vector Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+     * </code>
+     */
+    public Builder clearVertexVectorSearch() {
+      if (vertexVectorSearchBuilder_ == null) {
+        if (vectorDbCase_ == 6) {
+          vectorDbCase_ = 0;
+          vectorDb_ = null;
+          onChanged();
+        }
+      } else {
+        if (vectorDbCase_ == 6) {
+          vectorDbCase_ = 0;
+          vectorDb_ = null;
+        }
+        vertexVectorSearchBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Vertex Vector Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch.Builder
+        getVertexVectorSearchBuilder() {
+      return internalGetVertexVectorSearchFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Vertex Vector Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearchOrBuilder
+        getVertexVectorSearchOrBuilder() {
+      if ((vectorDbCase_ == 6) && (vertexVectorSearchBuilder_ != null)) {
+        return vertexVectorSearchBuilder_.getMessageOrBuilder();
+      } else {
+        if (vectorDbCase_ == 6) {
+          return (com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch) vectorDb_;
+        }
+        return com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+            .getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The config for the Vertex Vector Search.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch.Builder,
+            com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearchOrBuilder>
+        internalGetVertexVectorSearchFieldBuilder() {
+      if (vertexVectorSearchBuilder_ == null) {
+        if (!(vectorDbCase_ == 6)) {
+          vectorDb_ =
+              com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch
+                  .getDefaultInstance();
+        }
+        vertexVectorSearchBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch,
+                com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch.Builder,
+                com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearchOrBuilder>(
+                (com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch) vectorDb_,
+                getParentForChildren(),
+                isClean());
+        vectorDb_ = null;
+      }
+      vectorDbCase_ = 6;
+      onChanged();
+      return vertexVectorSearchBuilder_;
+    }
+
+    private com.google.cloud.vertexai.api.ApiAuth apiAuth_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.ApiAuth,
+            com.google.cloud.vertexai.api.ApiAuth.Builder,
+            com.google.cloud.vertexai.api.ApiAuthOrBuilder>
+        apiAuthBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Authentication config for the chosen Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+     *
+     * @return Whether the apiAuth field is set.
+     */
+    public boolean hasApiAuth() {
+      return ((bitField0_ & 0x00000008) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Authentication config for the chosen Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+     *
+     * @return The apiAuth.
+     */
+    public com.google.cloud.vertexai.api.ApiAuth getApiAuth() {
+      if (apiAuthBuilder_ == null) {
+        return apiAuth_ == null
+            ? com.google.cloud.vertexai.api.ApiAuth.getDefaultInstance()
+            : apiAuth_;
+      } else {
+        return apiAuthBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Authentication config for the chosen Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+     */
+    public Builder setApiAuth(com.google.cloud.vertexai.api.ApiAuth value) {
+      if (apiAuthBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        apiAuth_ = value;
+      } else {
+        apiAuthBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Authentication config for the chosen Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+     */
+    public Builder setApiAuth(com.google.cloud.vertexai.api.ApiAuth.Builder builderForValue) {
+      if (apiAuthBuilder_ == null) {
+        apiAuth_ = builderForValue.build();
+      } else {
+        apiAuthBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Authentication config for the chosen Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+     */
+    public Builder mergeApiAuth(com.google.cloud.vertexai.api.ApiAuth value) {
+      if (apiAuthBuilder_ == null) {
+        if (((bitField0_ & 0x00000008) != 0)
+            && apiAuth_ != null
+            && apiAuth_ != com.google.cloud.vertexai.api.ApiAuth.getDefaultInstance()) {
+          getApiAuthBuilder().mergeFrom(value);
+        } else {
+          apiAuth_ = value;
+        }
+      } else {
+        apiAuthBuilder_.mergeFrom(value);
+      }
+      if (apiAuth_ != null) {
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Authentication config for the chosen Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+     */
+    public Builder clearApiAuth() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      apiAuth_ = null;
+      if (apiAuthBuilder_ != null) {
+        apiAuthBuilder_.dispose();
+        apiAuthBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Authentication config for the chosen Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+     */
+    public com.google.cloud.vertexai.api.ApiAuth.Builder getApiAuthBuilder() {
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return internalGetApiAuthFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Authentication config for the chosen Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+     */
+    public com.google.cloud.vertexai.api.ApiAuthOrBuilder getApiAuthOrBuilder() {
+      if (apiAuthBuilder_ != null) {
+        return apiAuthBuilder_.getMessageOrBuilder();
+      } else {
+        return apiAuth_ == null
+            ? com.google.cloud.vertexai.api.ApiAuth.getDefaultInstance()
+            : apiAuth_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Authentication config for the chosen Vector DB.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.ApiAuth,
+            com.google.cloud.vertexai.api.ApiAuth.Builder,
+            com.google.cloud.vertexai.api.ApiAuthOrBuilder>
+        internalGetApiAuthFieldBuilder() {
+      if (apiAuthBuilder_ == null) {
+        apiAuthBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.ApiAuth,
+                com.google.cloud.vertexai.api.ApiAuth.Builder,
+                com.google.cloud.vertexai.api.ApiAuthOrBuilder>(
+                getApiAuth(), getParentForChildren(), isClean());
+        apiAuth_ = null;
+      }
+      return apiAuthBuilder_;
+    }
+
+    private com.google.cloud.vertexai.api.RagEmbeddingModelConfig ragEmbeddingModelConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfig,
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfig.Builder,
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfigOrBuilder>
+        ragEmbeddingModelConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The embedding model config of the Vector DB.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return Whether the ragEmbeddingModelConfig field is set.
+     */
+    public boolean hasRagEmbeddingModelConfig() {
+      return ((bitField0_ & 0x00000010) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The embedding model config of the Vector DB.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return The ragEmbeddingModelConfig.
+     */
+    public com.google.cloud.vertexai.api.RagEmbeddingModelConfig getRagEmbeddingModelConfig() {
+      if (ragEmbeddingModelConfigBuilder_ == null) {
+        return ragEmbeddingModelConfig_ == null
+            ? com.google.cloud.vertexai.api.RagEmbeddingModelConfig.getDefaultInstance()
+            : ragEmbeddingModelConfig_;
+      } else {
+        return ragEmbeddingModelConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The embedding model config of the Vector DB.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder setRagEmbeddingModelConfig(
+        com.google.cloud.vertexai.api.RagEmbeddingModelConfig value) {
+      if (ragEmbeddingModelConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ragEmbeddingModelConfig_ = value;
+      } else {
+        ragEmbeddingModelConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The embedding model config of the Vector DB.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder setRagEmbeddingModelConfig(
+        com.google.cloud.vertexai.api.RagEmbeddingModelConfig.Builder builderForValue) {
+      if (ragEmbeddingModelConfigBuilder_ == null) {
+        ragEmbeddingModelConfig_ = builderForValue.build();
+      } else {
+        ragEmbeddingModelConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The embedding model config of the Vector DB.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder mergeRagEmbeddingModelConfig(
+        com.google.cloud.vertexai.api.RagEmbeddingModelConfig value) {
+      if (ragEmbeddingModelConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000010) != 0)
+            && ragEmbeddingModelConfig_ != null
+            && ragEmbeddingModelConfig_
+                != com.google.cloud.vertexai.api.RagEmbeddingModelConfig.getDefaultInstance()) {
+          getRagEmbeddingModelConfigBuilder().mergeFrom(value);
+        } else {
+          ragEmbeddingModelConfig_ = value;
+        }
+      } else {
+        ragEmbeddingModelConfigBuilder_.mergeFrom(value);
+      }
+      if (ragEmbeddingModelConfig_ != null) {
+        bitField0_ |= 0x00000010;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The embedding model config of the Vector DB.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public Builder clearRagEmbeddingModelConfig() {
+      bitField0_ = (bitField0_ & ~0x00000010);
+      ragEmbeddingModelConfig_ = null;
+      if (ragEmbeddingModelConfigBuilder_ != null) {
+        ragEmbeddingModelConfigBuilder_.dispose();
+        ragEmbeddingModelConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The embedding model config of the Vector DB.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.RagEmbeddingModelConfig.Builder
+        getRagEmbeddingModelConfigBuilder() {
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return internalGetRagEmbeddingModelConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The embedding model config of the Vector DB.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.RagEmbeddingModelConfigOrBuilder
+        getRagEmbeddingModelConfigOrBuilder() {
+      if (ragEmbeddingModelConfigBuilder_ != null) {
+        return ragEmbeddingModelConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return ragEmbeddingModelConfig_ == null
+            ? com.google.cloud.vertexai.api.RagEmbeddingModelConfig.getDefaultInstance()
+            : ragEmbeddingModelConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Immutable. The embedding model config of the Vector DB.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfig,
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfig.Builder,
+            com.google.cloud.vertexai.api.RagEmbeddingModelConfigOrBuilder>
+        internalGetRagEmbeddingModelConfigFieldBuilder() {
+      if (ragEmbeddingModelConfigBuilder_ == null) {
+        ragEmbeddingModelConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagEmbeddingModelConfig,
+                com.google.cloud.vertexai.api.RagEmbeddingModelConfig.Builder,
+                com.google.cloud.vertexai.api.RagEmbeddingModelConfigOrBuilder>(
+                getRagEmbeddingModelConfig(), getParentForChildren(), isClean());
+        ragEmbeddingModelConfig_ = null;
+      }
+      return ragEmbeddingModelConfigBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RagVectorDbConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.RagVectorDbConfig)
+  private static final com.google.cloud.vertexai.api.RagVectorDbConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.RagVectorDbConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.RagVectorDbConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<RagVectorDbConfig> PARSER =
+      new com.google.protobuf.AbstractParser<RagVectorDbConfig>() {
+        @java.lang.Override
+        public RagVectorDbConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<RagVectorDbConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<RagVectorDbConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagVectorDbConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagVectorDbConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagVectorDbConfigOrBuilder.java
new file mode 100644
index 000000000000..86be4349a3c7
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RagVectorDbConfigOrBuilder.java
@@ -0,0 +1,226 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface RagVectorDbConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RagVectorDbConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the RAG-managed Vector DB.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+   *
+   * @return Whether the ragManagedDb field is set.
+   */
+  boolean hasRagManagedDb();
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the RAG-managed Vector DB.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+   *
+   * @return The ragManagedDb.
+   */
+  com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDb getRagManagedDb();
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the RAG-managed Vector DB.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.RagManagedDb rag_managed_db = 1;</code>
+   */
+  com.google.cloud.vertexai.api.RagVectorDbConfig.RagManagedDbOrBuilder getRagManagedDbOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the Pinecone.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+   *
+   * @return Whether the pinecone field is set.
+   */
+  boolean hasPinecone();
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the Pinecone.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+   *
+   * @return The pinecone.
+   */
+  com.google.cloud.vertexai.api.RagVectorDbConfig.Pinecone getPinecone();
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the Pinecone.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.Pinecone pinecone = 3;</code>
+   */
+  com.google.cloud.vertexai.api.RagVectorDbConfig.PineconeOrBuilder getPineconeOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the Vertex Vector Search.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+   * </code>
+   *
+   * @return Whether the vertexVectorSearch field is set.
+   */
+  boolean hasVertexVectorSearch();
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the Vertex Vector Search.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+   * </code>
+   *
+   * @return The vertexVectorSearch.
+   */
+  com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearch getVertexVectorSearch();
+
+  /**
+   *
+   *
+   * <pre>
+   * The config for the Vertex Vector Search.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagVectorDbConfig.VertexVectorSearch vertex_vector_search = 6;
+   * </code>
+   */
+  com.google.cloud.vertexai.api.RagVectorDbConfig.VertexVectorSearchOrBuilder
+      getVertexVectorSearchOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Authentication config for the chosen Vector DB.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+   *
+   * @return Whether the apiAuth field is set.
+   */
+  boolean hasApiAuth();
+
+  /**
+   *
+   *
+   * <pre>
+   * Authentication config for the chosen Vector DB.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+   *
+   * @return The apiAuth.
+   */
+  com.google.cloud.vertexai.api.ApiAuth getApiAuth();
+
+  /**
+   *
+   *
+   * <pre>
+   * Authentication config for the chosen Vector DB.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.ApiAuth api_auth = 5;</code>
+   */
+  com.google.cloud.vertexai.api.ApiAuthOrBuilder getApiAuthOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The embedding model config of the Vector DB.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return Whether the ragEmbeddingModelConfig field is set.
+   */
+  boolean hasRagEmbeddingModelConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The embedding model config of the Vector DB.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The ragEmbeddingModelConfig.
+   */
+  com.google.cloud.vertexai.api.RagEmbeddingModelConfig getRagEmbeddingModelConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Immutable. The embedding model config of the Vector DB.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.RagEmbeddingModelConfig rag_embedding_model_config = 7 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.RagEmbeddingModelConfigOrBuilder
+      getRagEmbeddingModelConfigOrBuilder();
+
+  com.google.cloud.vertexai.api.RagVectorDbConfig.VectorDbCase getVectorDbCase();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RawPredictRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RawPredictRequest.java
index e2ac80b848ca..26124508b261 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RawPredictRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RawPredictRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.RawPredictRequest}
  */
-public final class RawPredictRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class RawPredictRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RawPredictRequest)
     RawPredictRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "RawPredictRequest");
+  }
+
   // Use RawPredictRequest.newBuilder() to construct.
-  private RawPredictRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private RawPredictRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private RawPredictRequest() {
     endpoint_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new RawPredictRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_RawPredictRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_RawPredictRequest_fieldAccessorTable
@@ -232,8 +238,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(2, getHttpBody());
@@ -247,8 +253,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getHttpBody());
@@ -333,38 +339,38 @@ public static com.google.cloud.vertexai.api.RawPredictRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.RawPredictRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.RawPredictRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.RawPredictRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.RawPredictRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.RawPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.RawPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -387,7 +393,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -402,7 +408,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.RawPredictRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RawPredictRequest)
       com.google.cloud.vertexai.api.RawPredictRequestOrBuilder {
@@ -412,7 +418,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_RawPredictRequest_fieldAccessorTable
@@ -426,14 +432,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getHttpBodyFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetHttpBodyFieldBuilder();
       }
     }
 
@@ -494,39 +500,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.RawPredictRequest resul
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.RawPredictRequest) {
@@ -582,7 +555,8 @@ public Builder mergeFrom(
               } // case 10
             case 18:
               {
-                input.readMessage(getHttpBodyFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetHttpBodyFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
@@ -737,7 +711,7 @@ public Builder setEndpointBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.api.HttpBody httpBody_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.api.HttpBody,
             com.google.api.HttpBody.Builder,
             com.google.api.HttpBodyOrBuilder>
@@ -978,7 +952,7 @@ public Builder clearHttpBody() {
     public com.google.api.HttpBody.Builder getHttpBodyBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getHttpBodyFieldBuilder().getBuilder();
+      return internalGetHttpBodyFieldBuilder().getBuilder();
     }
 
     /**
@@ -1035,14 +1009,14 @@ public com.google.api.HttpBodyOrBuilder getHttpBodyOrBuilder() {
      *
      * <code>.google.api.HttpBody http_body = 2;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.api.HttpBody,
             com.google.api.HttpBody.Builder,
             com.google.api.HttpBodyOrBuilder>
-        getHttpBodyFieldBuilder() {
+        internalGetHttpBodyFieldBuilder() {
       if (httpBodyBuilder_ == null) {
         httpBodyBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.api.HttpBody,
                 com.google.api.HttpBody.Builder,
                 com.google.api.HttpBodyOrBuilder>(getHttpBody(), getParentForChildren(), isClean());
@@ -1051,17 +1025,6 @@ public com.google.api.HttpBodyOrBuilder getHttpBodyOrBuilder() {
       return httpBodyBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RawPredictRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RawPredictRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RawPredictRequestOrBuilder.java
index 13ef0b96c659..36b1165b3e74 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RawPredictRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RawPredictRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface RawPredictRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RawPredictRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReplicatedVoiceConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReplicatedVoiceConfig.java
new file mode 100644
index 000000000000..65f82023a0b4
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReplicatedVoiceConfig.java
@@ -0,0 +1,717 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * The configuration for the replicated voice to use.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.ReplicatedVoiceConfig}
+ */
+@com.google.protobuf.Generated
+public final class ReplicatedVoiceConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ReplicatedVoiceConfig)
+    ReplicatedVoiceConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ReplicatedVoiceConfig");
+  }
+
+  // Use ReplicatedVoiceConfig.newBuilder() to construct.
+  private ReplicatedVoiceConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ReplicatedVoiceConfig() {
+    mimeType_ = "";
+    voiceSampleAudio_ = com.google.protobuf.ByteString.EMPTY;
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_ReplicatedVoiceConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_ReplicatedVoiceConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.ReplicatedVoiceConfig.class,
+            com.google.cloud.vertexai.api.ReplicatedVoiceConfig.Builder.class);
+  }
+
+  public static final int MIME_TYPE_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object mimeType_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The mimetype of the voice sample. The only currently supported
+   * value is `audio/wav`. This represents 16-bit signed little-endian wav data,
+   * with a 24kHz sampling rate. `mime_type` will default to `audio/wav` if not
+   * set.
+   * </pre>
+   *
+   * <code>string mime_type = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The mimeType.
+   */
+  @java.lang.Override
+  public java.lang.String getMimeType() {
+    java.lang.Object ref = mimeType_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      mimeType_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The mimetype of the voice sample. The only currently supported
+   * value is `audio/wav`. This represents 16-bit signed little-endian wav data,
+   * with a 24kHz sampling rate. `mime_type` will default to `audio/wav` if not
+   * set.
+   * </pre>
+   *
+   * <code>string mime_type = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for mimeType.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getMimeTypeBytes() {
+    java.lang.Object ref = mimeType_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      mimeType_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int VOICE_SAMPLE_AUDIO_FIELD_NUMBER = 2;
+  private com.google.protobuf.ByteString voiceSampleAudio_ = com.google.protobuf.ByteString.EMPTY;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The sample of the custom voice.
+   * </pre>
+   *
+   * <code>bytes voice_sample_audio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The voiceSampleAudio.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getVoiceSampleAudio() {
+    return voiceSampleAudio_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mimeType_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, mimeType_);
+    }
+    if (!voiceSampleAudio_.isEmpty()) {
+      output.writeBytes(2, voiceSampleAudio_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(mimeType_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, mimeType_);
+    }
+    if (!voiceSampleAudio_.isEmpty()) {
+      size += com.google.protobuf.CodedOutputStream.computeBytesSize(2, voiceSampleAudio_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.ReplicatedVoiceConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.ReplicatedVoiceConfig other =
+        (com.google.cloud.vertexai.api.ReplicatedVoiceConfig) obj;
+
+    if (!getMimeType().equals(other.getMimeType())) return false;
+    if (!getVoiceSampleAudio().equals(other.getVoiceSampleAudio())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + MIME_TYPE_FIELD_NUMBER;
+    hash = (53 * hash) + getMimeType().hashCode();
+    hash = (37 * hash) + VOICE_SAMPLE_AUDIO_FIELD_NUMBER;
+    hash = (53 * hash) + getVoiceSampleAudio().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.ReplicatedVoiceConfig parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.ReplicatedVoiceConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ReplicatedVoiceConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.ReplicatedVoiceConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ReplicatedVoiceConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.ReplicatedVoiceConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ReplicatedVoiceConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.ReplicatedVoiceConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ReplicatedVoiceConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.ReplicatedVoiceConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.ReplicatedVoiceConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.ReplicatedVoiceConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.ReplicatedVoiceConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for the replicated voice to use.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.ReplicatedVoiceConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ReplicatedVoiceConfig)
+      com.google.cloud.vertexai.api.ReplicatedVoiceConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_ReplicatedVoiceConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_ReplicatedVoiceConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.ReplicatedVoiceConfig.class,
+              com.google.cloud.vertexai.api.ReplicatedVoiceConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.ReplicatedVoiceConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      mimeType_ = "";
+      voiceSampleAudio_ = com.google.protobuf.ByteString.EMPTY;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_ReplicatedVoiceConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.ReplicatedVoiceConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.ReplicatedVoiceConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.ReplicatedVoiceConfig build() {
+      com.google.cloud.vertexai.api.ReplicatedVoiceConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.ReplicatedVoiceConfig buildPartial() {
+      com.google.cloud.vertexai.api.ReplicatedVoiceConfig result =
+          new com.google.cloud.vertexai.api.ReplicatedVoiceConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.ReplicatedVoiceConfig result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.mimeType_ = mimeType_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.voiceSampleAudio_ = voiceSampleAudio_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.ReplicatedVoiceConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.ReplicatedVoiceConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.ReplicatedVoiceConfig other) {
+      if (other == com.google.cloud.vertexai.api.ReplicatedVoiceConfig.getDefaultInstance())
+        return this;
+      if (!other.getMimeType().isEmpty()) {
+        mimeType_ = other.mimeType_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      if (!other.getVoiceSampleAudio().isEmpty()) {
+        setVoiceSampleAudio(other.getVoiceSampleAudio());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                mimeType_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                voiceSampleAudio_ = input.readBytes();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object mimeType_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The mimetype of the voice sample. The only currently supported
+     * value is `audio/wav`. This represents 16-bit signed little-endian wav data,
+     * with a 24kHz sampling rate. `mime_type` will default to `audio/wav` if not
+     * set.
+     * </pre>
+     *
+     * <code>string mime_type = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The mimeType.
+     */
+    public java.lang.String getMimeType() {
+      java.lang.Object ref = mimeType_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        mimeType_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The mimetype of the voice sample. The only currently supported
+     * value is `audio/wav`. This represents 16-bit signed little-endian wav data,
+     * with a 24kHz sampling rate. `mime_type` will default to `audio/wav` if not
+     * set.
+     * </pre>
+     *
+     * <code>string mime_type = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for mimeType.
+     */
+    public com.google.protobuf.ByteString getMimeTypeBytes() {
+      java.lang.Object ref = mimeType_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        mimeType_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The mimetype of the voice sample. The only currently supported
+     * value is `audio/wav`. This represents 16-bit signed little-endian wav data,
+     * with a 24kHz sampling rate. `mime_type` will default to `audio/wav` if not
+     * set.
+     * </pre>
+     *
+     * <code>string mime_type = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The mimeType to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMimeType(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      mimeType_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The mimetype of the voice sample. The only currently supported
+     * value is `audio/wav`. This represents 16-bit signed little-endian wav data,
+     * with a 24kHz sampling rate. `mime_type` will default to `audio/wav` if not
+     * set.
+     * </pre>
+     *
+     * <code>string mime_type = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearMimeType() {
+      mimeType_ = getDefaultInstance().getMimeType();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The mimetype of the voice sample. The only currently supported
+     * value is `audio/wav`. This represents 16-bit signed little-endian wav data,
+     * with a 24kHz sampling rate. `mime_type` will default to `audio/wav` if not
+     * set.
+     * </pre>
+     *
+     * <code>string mime_type = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for mimeType to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMimeTypeBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      mimeType_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private com.google.protobuf.ByteString voiceSampleAudio_ = com.google.protobuf.ByteString.EMPTY;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The sample of the custom voice.
+     * </pre>
+     *
+     * <code>bytes voice_sample_audio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The voiceSampleAudio.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getVoiceSampleAudio() {
+      return voiceSampleAudio_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The sample of the custom voice.
+     * </pre>
+     *
+     * <code>bytes voice_sample_audio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The voiceSampleAudio to set.
+     * @return This builder for chaining.
+     */
+    public Builder setVoiceSampleAudio(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      voiceSampleAudio_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The sample of the custom voice.
+     * </pre>
+     *
+     * <code>bytes voice_sample_audio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearVoiceSampleAudio() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      voiceSampleAudio_ = getDefaultInstance().getVoiceSampleAudio();
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ReplicatedVoiceConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.ReplicatedVoiceConfig)
+  private static final com.google.cloud.vertexai.api.ReplicatedVoiceConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.ReplicatedVoiceConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.ReplicatedVoiceConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ReplicatedVoiceConfig> PARSER =
+      new com.google.protobuf.AbstractParser<ReplicatedVoiceConfig>() {
+        @java.lang.Override
+        public ReplicatedVoiceConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<ReplicatedVoiceConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ReplicatedVoiceConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ReplicatedVoiceConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReplicatedVoiceConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReplicatedVoiceConfigOrBuilder.java
new file mode 100644
index 000000000000..1b972fad4fc6
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReplicatedVoiceConfigOrBuilder.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface ReplicatedVoiceConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ReplicatedVoiceConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The mimetype of the voice sample. The only currently supported
+   * value is `audio/wav`. This represents 16-bit signed little-endian wav data,
+   * with a 24kHz sampling rate. `mime_type` will default to `audio/wav` if not
+   * set.
+   * </pre>
+   *
+   * <code>string mime_type = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The mimeType.
+   */
+  java.lang.String getMimeType();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The mimetype of the voice sample. The only currently supported
+   * value is `audio/wav`. This represents 16-bit signed little-endian wav data,
+   * with a 24kHz sampling rate. `mime_type` will default to `audio/wav` if not
+   * set.
+   * </pre>
+   *
+   * <code>string mime_type = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for mimeType.
+   */
+  com.google.protobuf.ByteString getMimeTypeBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The sample of the custom voice.
+   * </pre>
+   *
+   * <code>bytes voice_sample_audio = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The voiceSampleAudio.
+   */
+  com.google.protobuf.ByteString getVoiceSampleAudio();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReservationAffinity.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReservationAffinity.java
index 29ec036a06f2..d78854368da3 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReservationAffinity.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReservationAffinity.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/reservation_affinity.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -30,14 +31,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ReservationAffinity}
  */
-public final class ReservationAffinity extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ReservationAffinity extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ReservationAffinity)
     ReservationAffinityOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ReservationAffinity");
+  }
+
   // Use ReservationAffinity.newBuilder() to construct.
-  private ReservationAffinity(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ReservationAffinity(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -47,19 +59,13 @@ private ReservationAffinity() {
     values_ = com.google.protobuf.LazyStringArrayList.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ReservationAffinity();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ReservationAffinityProto
         .internal_static_google_cloud_vertexai_v1_ReservationAffinity_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ReservationAffinityProto
         .internal_static_google_cloud_vertexai_v1_ReservationAffinity_fieldAccessorTable
@@ -122,6 +128,16 @@ public enum Type implements com.google.protobuf.ProtocolMessageEnum {
     UNRECOGNIZED(-1),
     ;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "Type");
+    }
+
     /**
      *
      *
@@ -227,7 +243,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
       return getDescriptor();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ReservationAffinity.getDescriptor()
           .getEnumTypes()
           .get(0);
@@ -454,11 +470,11 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
         != com.google.cloud.vertexai.api.ReservationAffinity.Type.TYPE_UNSPECIFIED.getNumber()) {
       output.writeEnum(1, reservationAffinityType_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(key_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, key_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(key_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, key_);
     }
     for (int i = 0; i < values_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, values_.getRaw(i));
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, values_.getRaw(i));
     }
     getUnknownFields().writeTo(output);
   }
@@ -473,8 +489,8 @@ public int getSerializedSize() {
         != com.google.cloud.vertexai.api.ReservationAffinity.Type.TYPE_UNSPECIFIED.getNumber()) {
       size += com.google.protobuf.CodedOutputStream.computeEnumSize(1, reservationAffinityType_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(key_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, key_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(key_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, key_);
     }
     {
       int dataSize = 0;
@@ -564,38 +580,38 @@ public static com.google.cloud.vertexai.api.ReservationAffinity parseFrom(
 
   public static com.google.cloud.vertexai.api.ReservationAffinity parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ReservationAffinity parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ReservationAffinity parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ReservationAffinity parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ReservationAffinity parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ReservationAffinity parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -618,7 +634,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -634,7 +650,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ReservationAffinity}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ReservationAffinity)
       com.google.cloud.vertexai.api.ReservationAffinityOrBuilder {
@@ -644,7 +660,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ReservationAffinityProto
           .internal_static_google_cloud_vertexai_v1_ReservationAffinity_fieldAccessorTable
@@ -656,7 +672,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.ReservationAffinity.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -715,39 +731,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ReservationAffinity res
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ReservationAffinity) {
@@ -1288,17 +1271,6 @@ public Builder addValuesBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ReservationAffinity)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReservationAffinityOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReservationAffinityOrBuilder.java
index 3d6c8b84dfc0..8ca63798b092 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReservationAffinityOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReservationAffinityOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/reservation_affinity.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ReservationAffinityOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ReservationAffinity)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReservationAffinityProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReservationAffinityProto.java
index 784a79042a48..bbd7bf9ea413 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReservationAffinityProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ReservationAffinityProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/reservation_affinity.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class ReservationAffinityProto {
+@com.google.protobuf.Generated
+public final class ReservationAffinityProto extends com.google.protobuf.GeneratedFile {
   private ReservationAffinityProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ReservationAffinityProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,7 +42,7 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ReservationAffinity_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ReservationAffinity_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -70,13 +82,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.api.ResourceProto.getDescriptor(),
             });
     internal_static_google_cloud_vertexai_v1_ReservationAffinity_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+        getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_ReservationAffinity_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ReservationAffinity_descriptor,
             new java.lang.String[] {
               "ReservationAffinityType", "Key", "Values",
             });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
@@ -84,8 +99,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     registry.add(com.google.api.ResourceProto.resourceReference);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.api.ResourceProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ResourcesConsumed.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ResourcesConsumed.java
index 54d8294c0aa4..e73b1f71c884 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ResourcesConsumed.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ResourcesConsumed.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ResourcesConsumed}
  */
-public final class ResourcesConsumed extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ResourcesConsumed extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ResourcesConsumed)
     ResourcesConsumedOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ResourcesConsumed");
+  }
+
   // Use ResourcesConsumed.newBuilder() to construct.
-  private ResourcesConsumed(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ResourcesConsumed(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private ResourcesConsumed() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ResourcesConsumed();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_ResourcesConsumed_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_ResourcesConsumed_fieldAccessorTable
@@ -188,38 +194,38 @@ public static com.google.cloud.vertexai.api.ResourcesConsumed parseFrom(
 
   public static com.google.cloud.vertexai.api.ResourcesConsumed parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ResourcesConsumed parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ResourcesConsumed parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ResourcesConsumed parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ResourcesConsumed parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ResourcesConsumed parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -242,7 +248,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -256,7 +262,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ResourcesConsumed}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ResourcesConsumed)
       com.google.cloud.vertexai.api.ResourcesConsumedOrBuilder {
@@ -266,7 +272,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.MachineResourcesProto
           .internal_static_google_cloud_vertexai_v1_ResourcesConsumed_fieldAccessorTable
@@ -278,7 +284,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.ResourcesConsumed.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -328,39 +334,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ResourcesConsumed resul
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ResourcesConsumed) {
@@ -374,7 +347,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     public Builder mergeFrom(com.google.cloud.vertexai.api.ResourcesConsumed other) {
       if (other == com.google.cloud.vertexai.api.ResourcesConsumed.getDefaultInstance())
         return this;
-      if (other.getReplicaHours() != 0D) {
+      if (java.lang.Double.doubleToRawLongBits(other.getReplicaHours()) != 0) {
         setReplicaHours(other.getReplicaHours());
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -490,17 +463,6 @@ public Builder clearReplicaHours() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ResourcesConsumed)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ResourcesConsumedOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ResourcesConsumedOrBuilder.java
index a44e014093a5..ebacbdcdde94 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ResourcesConsumedOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ResourcesConsumedOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ResourcesConsumedOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ResourcesConsumed)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Retrieval.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Retrieval.java
index c4245c71de6d..adf70b96c41f 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Retrieval.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Retrieval.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Retrieval}
  */
-public final class Retrieval extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Retrieval extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Retrieval)
     RetrievalOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Retrieval");
+  }
+
   // Use Retrieval.newBuilder() to construct.
-  private Retrieval(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Retrieval(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private Retrieval() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Retrieval();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_Retrieval_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_Retrieval_fieldAccessorTable
@@ -238,7 +244,7 @@ public com.google.cloud.vertexai.api.VertexRagStoreOrBuilder getVertexRagStoreOr
    * </code>
    *
    * @deprecated google.cloud.vertexai.v1.Retrieval.disable_attribution is deprecated. See
-   *     google/cloud/vertexai/v1/tool.proto;l=219
+   *     google/cloud/vertexai/v1/tool.proto;l=426
    * @return The disableAttribution.
    */
   @java.lang.Override
@@ -386,38 +392,38 @@ public static com.google.cloud.vertexai.api.Retrieval parseFrom(
 
   public static com.google.cloud.vertexai.api.Retrieval parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Retrieval parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Retrieval parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Retrieval parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Retrieval parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Retrieval parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -440,7 +446,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -454,7 +460,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Retrieval}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Retrieval)
       com.google.cloud.vertexai.api.RetrievalOrBuilder {
@@ -464,7 +470,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_Retrieval_fieldAccessorTable
@@ -476,7 +482,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.Retrieval.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -546,39 +552,6 @@ private void buildPartialOneofs(com.google.cloud.vertexai.api.Retrieval result)
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Retrieval) {
@@ -638,7 +611,8 @@ public Builder mergeFrom(
               break;
             case 18:
               {
-                input.readMessage(getVertexAiSearchFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetVertexAiSearchFieldBuilder().getBuilder(), extensionRegistry);
                 sourceCase_ = 2;
                 break;
               } // case 18
@@ -650,7 +624,8 @@ public Builder mergeFrom(
               } // case 24
             case 34:
               {
-                input.readMessage(getVertexRagStoreFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetVertexRagStoreFieldBuilder().getBuilder(), extensionRegistry);
                 sourceCase_ = 4;
                 break;
               } // case 34
@@ -687,7 +662,7 @@ public Builder clearSource() {
 
     private int bitField0_;
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.VertexAISearch,
             com.google.cloud.vertexai.api.VertexAISearch.Builder,
             com.google.cloud.vertexai.api.VertexAISearchOrBuilder>
@@ -848,7 +823,7 @@ public Builder clearVertexAiSearch() {
      * <code>.google.cloud.vertexai.v1.VertexAISearch vertex_ai_search = 2;</code>
      */
     public com.google.cloud.vertexai.api.VertexAISearch.Builder getVertexAiSearchBuilder() {
-      return getVertexAiSearchFieldBuilder().getBuilder();
+      return internalGetVertexAiSearchFieldBuilder().getBuilder();
     }
 
     /**
@@ -881,17 +856,17 @@ public com.google.cloud.vertexai.api.VertexAISearchOrBuilder getVertexAiSearchOr
      *
      * <code>.google.cloud.vertexai.v1.VertexAISearch vertex_ai_search = 2;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.VertexAISearch,
             com.google.cloud.vertexai.api.VertexAISearch.Builder,
             com.google.cloud.vertexai.api.VertexAISearchOrBuilder>
-        getVertexAiSearchFieldBuilder() {
+        internalGetVertexAiSearchFieldBuilder() {
       if (vertexAiSearchBuilder_ == null) {
         if (!(sourceCase_ == 2)) {
           source_ = com.google.cloud.vertexai.api.VertexAISearch.getDefaultInstance();
         }
         vertexAiSearchBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.VertexAISearch,
                 com.google.cloud.vertexai.api.VertexAISearch.Builder,
                 com.google.cloud.vertexai.api.VertexAISearchOrBuilder>(
@@ -905,7 +880,7 @@ public com.google.cloud.vertexai.api.VertexAISearchOrBuilder getVertexAiSearchOr
       return vertexAiSearchBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.VertexRagStore,
             com.google.cloud.vertexai.api.VertexRagStore.Builder,
             com.google.cloud.vertexai.api.VertexRagStoreOrBuilder>
@@ -1073,7 +1048,7 @@ public Builder clearVertexRagStore() {
      * <code>.google.cloud.vertexai.v1.VertexRagStore vertex_rag_store = 4;</code>
      */
     public com.google.cloud.vertexai.api.VertexRagStore.Builder getVertexRagStoreBuilder() {
-      return getVertexRagStoreFieldBuilder().getBuilder();
+      return internalGetVertexRagStoreFieldBuilder().getBuilder();
     }
 
     /**
@@ -1108,17 +1083,17 @@ public com.google.cloud.vertexai.api.VertexRagStoreOrBuilder getVertexRagStoreOr
      *
      * <code>.google.cloud.vertexai.v1.VertexRagStore vertex_rag_store = 4;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.VertexRagStore,
             com.google.cloud.vertexai.api.VertexRagStore.Builder,
             com.google.cloud.vertexai.api.VertexRagStoreOrBuilder>
-        getVertexRagStoreFieldBuilder() {
+        internalGetVertexRagStoreFieldBuilder() {
       if (vertexRagStoreBuilder_ == null) {
         if (!(sourceCase_ == 4)) {
           source_ = com.google.cloud.vertexai.api.VertexRagStore.getDefaultInstance();
         }
         vertexRagStoreBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.VertexRagStore,
                 com.google.cloud.vertexai.api.VertexRagStore.Builder,
                 com.google.cloud.vertexai.api.VertexRagStoreOrBuilder>(
@@ -1146,7 +1121,7 @@ public com.google.cloud.vertexai.api.VertexRagStoreOrBuilder getVertexRagStoreOr
      * </code>
      *
      * @deprecated google.cloud.vertexai.v1.Retrieval.disable_attribution is deprecated. See
-     *     google/cloud/vertexai/v1/tool.proto;l=219
+     *     google/cloud/vertexai/v1/tool.proto;l=426
      * @return The disableAttribution.
      */
     @java.lang.Override
@@ -1167,7 +1142,7 @@ public boolean getDisableAttribution() {
      * </code>
      *
      * @deprecated google.cloud.vertexai.v1.Retrieval.disable_attribution is deprecated. See
-     *     google/cloud/vertexai/v1/tool.proto;l=219
+     *     google/cloud/vertexai/v1/tool.proto;l=426
      * @param value The disableAttribution to set.
      * @return This builder for chaining.
      */
@@ -1192,7 +1167,7 @@ public Builder setDisableAttribution(boolean value) {
      * </code>
      *
      * @deprecated google.cloud.vertexai.v1.Retrieval.disable_attribution is deprecated. See
-     *     google/cloud/vertexai/v1/tool.proto;l=219
+     *     google/cloud/vertexai/v1/tool.proto;l=426
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
@@ -1203,17 +1178,6 @@ public Builder clearDisableAttribution() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Retrieval)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalConfig.java
index 3979327eb34a..d0a6f2f1b55b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalConfig.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalConfig.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.RetrievalConfig}
  */
-public final class RetrievalConfig extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class RetrievalConfig extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RetrievalConfig)
     RetrievalConfigOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "RetrievalConfig");
+  }
+
   // Use RetrievalConfig.newBuilder() to construct.
-  private RetrievalConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private RetrievalConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private RetrievalConfig() {
     languageCode_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new RetrievalConfig();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_RetrievalConfig_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_RetrievalConfig_fieldAccessorTable
@@ -201,7 +207,7 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
       output.writeMessage(1, getLatLng());
     }
     if (((bitField0_ & 0x00000002) != 0)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, languageCode_);
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, languageCode_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -216,7 +222,7 @@ public int getSerializedSize() {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getLatLng());
     }
     if (((bitField0_ & 0x00000002) != 0)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, languageCode_);
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, languageCode_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -303,38 +309,38 @@ public static com.google.cloud.vertexai.api.RetrievalConfig parseFrom(
 
   public static com.google.cloud.vertexai.api.RetrievalConfig parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.RetrievalConfig parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.RetrievalConfig parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.RetrievalConfig parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.RetrievalConfig parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.RetrievalConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -357,7 +363,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -371,7 +377,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.RetrievalConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RetrievalConfig)
       com.google.cloud.vertexai.api.RetrievalConfigOrBuilder {
@@ -381,7 +387,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_RetrievalConfig_fieldAccessorTable
@@ -395,14 +401,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getLatLngFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetLatLngFieldBuilder();
       }
     }
 
@@ -464,39 +470,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.RetrievalConfig result)
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.RetrievalConfig) {
@@ -545,7 +518,7 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getLatLngFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(internalGetLatLngFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -575,7 +548,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.type.LatLng latLng_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.type.LatLng, com.google.type.LatLng.Builder, com.google.type.LatLngOrBuilder>
         latLngBuilder_;
 
@@ -716,7 +689,7 @@ public Builder clearLatLng() {
     public com.google.type.LatLng.Builder getLatLngBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getLatLngFieldBuilder().getBuilder();
+      return internalGetLatLngFieldBuilder().getBuilder();
     }
 
     /**
@@ -745,12 +718,12 @@ public com.google.type.LatLngOrBuilder getLatLngOrBuilder() {
      *
      * <code>optional .google.type.LatLng lat_lng = 1;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.type.LatLng, com.google.type.LatLng.Builder, com.google.type.LatLngOrBuilder>
-        getLatLngFieldBuilder() {
+        internalGetLatLngFieldBuilder() {
       if (latLngBuilder_ == null) {
         latLngBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.type.LatLng,
                 com.google.type.LatLng.Builder,
                 com.google.type.LatLngOrBuilder>(getLatLng(), getParentForChildren(), isClean());
@@ -885,17 +858,6 @@ public Builder setLanguageCodeBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RetrievalConfig)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalConfigOrBuilder.java
index bff2fb2c8c3a..7d6b55160808 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalConfigOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalConfigOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface RetrievalConfigOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RetrievalConfig)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalMetadata.java
index a701302de595..868365034823 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalMetadata.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalMetadata.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.RetrievalMetadata}
  */
-public final class RetrievalMetadata extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class RetrievalMetadata extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.RetrievalMetadata)
     RetrievalMetadataOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "RetrievalMetadata");
+  }
+
   // Use RetrievalMetadata.newBuilder() to construct.
-  private RetrievalMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private RetrievalMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private RetrievalMetadata() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new RetrievalMetadata();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_RetrievalMetadata_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_RetrievalMetadata_fieldAccessorTable
@@ -192,38 +198,38 @@ public static com.google.cloud.vertexai.api.RetrievalMetadata parseFrom(
 
   public static com.google.cloud.vertexai.api.RetrievalMetadata parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.RetrievalMetadata parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.RetrievalMetadata parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.RetrievalMetadata parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.RetrievalMetadata parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.RetrievalMetadata parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -246,7 +252,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -260,7 +266,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.RetrievalMetadata}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.RetrievalMetadata)
       com.google.cloud.vertexai.api.RetrievalMetadataOrBuilder {
@@ -270,7 +276,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_RetrievalMetadata_fieldAccessorTable
@@ -282,7 +288,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.RetrievalMetadata.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -332,39 +338,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.RetrievalMetadata resul
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.RetrievalMetadata) {
@@ -378,7 +351,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     public Builder mergeFrom(com.google.cloud.vertexai.api.RetrievalMetadata other) {
       if (other == com.google.cloud.vertexai.api.RetrievalMetadata.getDefaultInstance())
         return this;
-      if (other.getGoogleSearchDynamicRetrievalScore() != 0F) {
+      if (java.lang.Float.floatToRawIntBits(other.getGoogleSearchDynamicRetrievalScore()) != 0) {
         setGoogleSearchDynamicRetrievalScore(other.getGoogleSearchDynamicRetrievalScore());
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -506,17 +479,6 @@ public Builder clearGoogleSearchDynamicRetrievalScore() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.RetrievalMetadata)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalMetadataOrBuilder.java
index 496159f0f40e..8919fa8dd67b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalMetadataOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalMetadataOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface RetrievalMetadataOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.RetrievalMetadata)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalOrBuilder.java
index a5d5775bceb8..8ff304e913ea 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/RetrievalOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface RetrievalOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Retrieval)
@@ -113,7 +115,7 @@ public interface RetrievalOrBuilder
    * </code>
    *
    * @deprecated google.cloud.vertexai.v1.Retrieval.disable_attribution is deprecated. See
-   *     google/cloud/vertexai/v1/tool.proto;l=219
+   *     google/cloud/vertexai/v1/tool.proto;l=426
    * @return The disableAttribution.
    */
   @java.lang.Deprecated
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetyRating.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetyRating.java
index 2308ad955c42..7a9689b9bfa4 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetyRating.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetyRating.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.SafetyRating}
  */
-public final class SafetyRating extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class SafetyRating extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SafetyRating)
     SafetyRatingOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "SafetyRating");
+  }
+
   // Use SafetyRating.newBuilder() to construct.
-  private SafetyRating(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private SafetyRating(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,13 @@ private SafetyRating() {
     severity_ = 0;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new SafetyRating();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_SafetyRating_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_SafetyRating_fieldAccessorTable
@@ -129,6 +135,16 @@ public enum HarmProbability implements com.google.protobuf.ProtocolMessageEnum {
     UNRECOGNIZED(-1),
     ;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "HarmProbability");
+    }
+
     /**
      *
      *
@@ -247,7 +263,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
       return getDescriptor();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
       return com.google.cloud.vertexai.api.SafetyRating.getDescriptor().getEnumTypes().get(0);
     }
 
@@ -336,6 +352,16 @@ public enum HarmSeverity implements com.google.protobuf.ProtocolMessageEnum {
     UNRECOGNIZED(-1),
     ;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "HarmSeverity");
+    }
+
     /**
      *
      *
@@ -453,7 +479,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
       return getDescriptor();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
       return com.google.cloud.vertexai.api.SafetyRating.getDescriptor().getEnumTypes().get(1);
     }
 
@@ -821,38 +847,38 @@ public static com.google.cloud.vertexai.api.SafetyRating parseFrom(
 
   public static com.google.cloud.vertexai.api.SafetyRating parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SafetyRating parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SafetyRating parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SafetyRating parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SafetyRating parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SafetyRating parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -875,7 +901,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -889,7 +915,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.SafetyRating}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SafetyRating)
       com.google.cloud.vertexai.api.SafetyRatingOrBuilder {
@@ -899,7 +925,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_SafetyRating_fieldAccessorTable
@@ -911,7 +937,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.SafetyRating.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -981,39 +1007,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.SafetyRating result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.SafetyRating) {
@@ -1032,13 +1025,13 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.SafetyRating other) {
       if (other.probability_ != 0) {
         setProbabilityValue(other.getProbabilityValue());
       }
-      if (other.getProbabilityScore() != 0F) {
+      if (java.lang.Float.floatToRawIntBits(other.getProbabilityScore()) != 0) {
         setProbabilityScore(other.getProbabilityScore());
       }
       if (other.severity_ != 0) {
         setSeverityValue(other.getSeverityValue());
       }
-      if (other.getSeverityScore() != 0F) {
+      if (java.lang.Float.floatToRawIntBits(other.getSeverityScore()) != 0) {
         setSeverityScore(other.getSeverityScore());
       }
       if (other.getBlocked() != false) {
@@ -1616,17 +1609,6 @@ public Builder clearBlocked() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SafetyRating)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetyRatingOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetyRatingOrBuilder.java
index e0d209c85841..7c1ac3ffada7 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetyRatingOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetyRatingOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface SafetyRatingOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.SafetyRating)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetySetting.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetySetting.java
index a91b4d37de46..98b520417f01 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetySetting.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetySetting.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.SafetySetting}
  */
-public final class SafetySetting extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class SafetySetting extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SafetySetting)
     SafetySettingOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "SafetySetting");
+  }
+
   // Use SafetySetting.newBuilder() to construct.
-  private SafetySetting(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private SafetySetting(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,13 @@ private SafetySetting() {
     method_ = 0;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new SafetySetting();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_SafetySetting_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_SafetySetting_fieldAccessorTable
@@ -139,6 +145,16 @@ public enum HarmBlockThreshold implements com.google.protobuf.ProtocolMessageEnu
     UNRECOGNIZED(-1),
     ;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "HarmBlockThreshold");
+    }
+
     /**
      *
      *
@@ -271,7 +287,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
       return getDescriptor();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
       return com.google.cloud.vertexai.api.SafetySetting.getDescriptor().getEnumTypes().get(0);
     }
 
@@ -340,6 +356,16 @@ public enum HarmBlockMethod implements com.google.protobuf.ProtocolMessageEnum {
     UNRECOGNIZED(-1),
     ;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "HarmBlockMethod");
+    }
+
     /**
      *
      *
@@ -432,7 +458,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
       return getDescriptor();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
       return com.google.cloud.vertexai.api.SafetySetting.getDescriptor().getEnumTypes().get(1);
     }
 
@@ -718,38 +744,38 @@ public static com.google.cloud.vertexai.api.SafetySetting parseFrom(
 
   public static com.google.cloud.vertexai.api.SafetySetting parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SafetySetting parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SafetySetting parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SafetySetting parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SafetySetting parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SafetySetting parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -772,7 +798,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -786,7 +812,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.SafetySetting}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SafetySetting)
       com.google.cloud.vertexai.api.SafetySettingOrBuilder {
@@ -796,7 +822,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_SafetySetting_fieldAccessorTable
@@ -808,7 +834,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.SafetySetting.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -866,39 +892,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.SafetySetting result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.SafetySetting) {
@@ -1308,17 +1301,6 @@ public Builder clearMethod() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SafetySetting)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetySettingOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetySettingOrBuilder.java
index 7a579c284569..15578c432e61 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetySettingOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetySettingOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface SafetySettingOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.SafetySetting)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SampledShapleyAttribution.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SampledShapleyAttribution.java
index 275a4f8b3911..6da3dda27767 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SampledShapleyAttribution.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SampledShapleyAttribution.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -30,32 +31,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.SampledShapleyAttribution}
  */
-public final class SampledShapleyAttribution extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class SampledShapleyAttribution extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SampledShapleyAttribution)
     SampledShapleyAttributionOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "SampledShapleyAttribution");
+  }
+
   // Use SampledShapleyAttribution.newBuilder() to construct.
-  private SampledShapleyAttribution(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private SampledShapleyAttribution(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private SampledShapleyAttribution() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new SampledShapleyAttribution();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_SampledShapleyAttribution_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_SampledShapleyAttribution_fieldAccessorTable
@@ -187,38 +193,38 @@ public static com.google.cloud.vertexai.api.SampledShapleyAttribution parseFrom(
 
   public static com.google.cloud.vertexai.api.SampledShapleyAttribution parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SampledShapleyAttribution parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SampledShapleyAttribution parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SampledShapleyAttribution parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SampledShapleyAttribution parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SampledShapleyAttribution parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -242,7 +248,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -258,7 +264,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.SampledShapleyAttribution}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SampledShapleyAttribution)
       com.google.cloud.vertexai.api.SampledShapleyAttributionOrBuilder {
@@ -268,7 +274,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_SampledShapleyAttribution_fieldAccessorTable
@@ -280,7 +286,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.SampledShapleyAttribution.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -330,39 +336,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.SampledShapleyAttributi
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.SampledShapleyAttribution) {
@@ -495,17 +468,6 @@ public Builder clearPathCount() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SampledShapleyAttribution)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SampledShapleyAttributionOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SampledShapleyAttributionOrBuilder.java
index 2ae7e8aa50d7..b7b65b1bddc2 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SampledShapleyAttributionOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SampledShapleyAttributionOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface SampledShapleyAttributionOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.SampledShapleyAttribution)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Schema.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Schema.java
index a84bbf6e19a6..862f4bafc411 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Schema.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Schema.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/openapi.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -31,14 +32,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Schema}
  */
-public final class Schema extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Schema extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Schema)
     SchemaOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Schema");
+  }
+
   // Use Schema.newBuilder() to construct.
-  private Schema(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Schema(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -52,12 +64,7 @@ private Schema() {
     required_ = com.google.protobuf.LazyStringArrayList.emptyList();
     pattern_ = "";
     anyOf_ = java.util.Collections.emptyList();
-  }
-
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Schema();
+    ref_ = "";
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -72,13 +79,15 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldRefl
     switch (number) {
       case 3:
         return internalGetProperties();
+      case 28:
+        return internalGetDefs();
       default:
         throw new RuntimeException("Invalid map field number: " + number);
     }
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.OpenApiProto
         .internal_static_google_cloud_vertexai_v1_Schema_fieldAccessorTable
@@ -135,9 +144,9 @@ public com.google.cloud.vertexai.api.Type getType() {
    * <pre>
    * Optional. The format of the data.
    * Supported formats:
-   *  for NUMBER type: "float", "double"
-   *  for INTEGER type: "int32", "int64"
-   *  for STRING type: "email", "byte", etc
+   * for NUMBER type: "float", "double"
+   * for INTEGER type: "int32", "int64"
+   * for STRING type: "email", "byte", etc
    * </pre>
    *
    * <code>string format = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -163,9 +172,9 @@ public java.lang.String getFormat() {
    * <pre>
    * Optional. The format of the data.
    * Supported formats:
-   *  for NUMBER type: "float", "double"
-   *  for INTEGER type: "int32", "int64"
-   *  for STRING type: "email", "byte", etc
+   * for NUMBER type: "float", "double"
+   * for INTEGER type: "int32", "int64"
+   * for STRING type: "email", "byte", etc
    * </pre>
    *
    * <code>string format = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -1124,6 +1133,287 @@ public com.google.cloud.vertexai.api.SchemaOrBuilder getAnyOfOrBuilder(int index
     return anyOf_.get(index);
   }
 
+  public static final int ADDITIONAL_PROPERTIES_FIELD_NUMBER = 26;
+  private com.google.protobuf.Value additionalProperties_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Can either be a boolean or an object; controls the presence of
+   * additional properties.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the additionalProperties field is set.
+   */
+  @java.lang.Override
+  public boolean hasAdditionalProperties() {
+    return ((bitField0_ & 0x00000008) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Can either be a boolean or an object; controls the presence of
+   * additional properties.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The additionalProperties.
+   */
+  @java.lang.Override
+  public com.google.protobuf.Value getAdditionalProperties() {
+    return additionalProperties_ == null
+        ? com.google.protobuf.Value.getDefaultInstance()
+        : additionalProperties_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Can either be a boolean or an object; controls the presence of
+   * additional properties.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.protobuf.ValueOrBuilder getAdditionalPropertiesOrBuilder() {
+    return additionalProperties_ == null
+        ? com.google.protobuf.Value.getDefaultInstance()
+        : additionalProperties_;
+  }
+
+  public static final int REF_FIELD_NUMBER = 27;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object ref_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Allows indirect references between schema nodes. The value should
+   * be a valid reference to a child of the root `defs`.
+   *
+   * For example, the following schema defines a reference to a schema node
+   * named "Pet":
+   *
+   * type: object
+   * properties:
+   * pet:
+   * ref: #/defs/Pet
+   * defs:
+   * Pet:
+   * type: object
+   * properties:
+   * name:
+   * type: string
+   *
+   * The value of the "pet" property is a reference to the schema node
+   * named "Pet".
+   * See details in
+   * https://json-schema.org/understanding-json-schema/structuring
+   * </pre>
+   *
+   * <code>string ref = 27 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The ref.
+   */
+  @java.lang.Override
+  public java.lang.String getRef() {
+    java.lang.Object ref = ref_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      ref_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Allows indirect references between schema nodes. The value should
+   * be a valid reference to a child of the root `defs`.
+   *
+   * For example, the following schema defines a reference to a schema node
+   * named "Pet":
+   *
+   * type: object
+   * properties:
+   * pet:
+   * ref: #/defs/Pet
+   * defs:
+   * Pet:
+   * type: object
+   * properties:
+   * name:
+   * type: string
+   *
+   * The value of the "pet" property is a reference to the schema node
+   * named "Pet".
+   * See details in
+   * https://json-schema.org/understanding-json-schema/structuring
+   * </pre>
+   *
+   * <code>string ref = 27 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for ref.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getRefBytes() {
+    java.lang.Object ref = ref_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      ref_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int DEFS_FIELD_NUMBER = 28;
+
+  private static final class DefsDefaultEntryHolder {
+    static final com.google.protobuf.MapEntry<
+            java.lang.String, com.google.cloud.vertexai.api.Schema>
+        defaultEntry =
+            com.google.protobuf.MapEntry
+                .<java.lang.String, com.google.cloud.vertexai.api.Schema>newDefaultInstance(
+                    com.google.cloud.vertexai.api.OpenApiProto
+                        .internal_static_google_cloud_vertexai_v1_Schema_DefsEntry_descriptor,
+                    com.google.protobuf.WireFormat.FieldType.STRING,
+                    "",
+                    com.google.protobuf.WireFormat.FieldType.MESSAGE,
+                    com.google.cloud.vertexai.api.Schema.getDefaultInstance());
+  }
+
+  @SuppressWarnings("serial")
+  private com.google.protobuf.MapField<java.lang.String, com.google.cloud.vertexai.api.Schema>
+      defs_;
+
+  private com.google.protobuf.MapField<java.lang.String, com.google.cloud.vertexai.api.Schema>
+      internalGetDefs() {
+    if (defs_ == null) {
+      return com.google.protobuf.MapField.emptyMapField(DefsDefaultEntryHolder.defaultEntry);
+    }
+    return defs_;
+  }
+
+  public int getDefsCount() {
+    return internalGetDefs().getMap().size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of definitions for use by `ref`
+   * Only allowed at the root of the schema.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public boolean containsDefs(java.lang.String key) {
+    if (key == null) {
+      throw new NullPointerException("map key");
+    }
+    return internalGetDefs().getMap().containsKey(key);
+  }
+
+  /** Use {@link #getDefsMap()} instead. */
+  @java.lang.Override
+  @java.lang.Deprecated
+  public java.util.Map<java.lang.String, com.google.cloud.vertexai.api.Schema> getDefs() {
+    return getDefsMap();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of definitions for use by `ref`
+   * Only allowed at the root of the schema.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.Map<java.lang.String, com.google.cloud.vertexai.api.Schema> getDefsMap() {
+    return internalGetDefs().getMap();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of definitions for use by `ref`
+   * Only allowed at the root of the schema.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public /* nullable */ com.google.cloud.vertexai.api.Schema getDefsOrDefault(
+      java.lang.String key,
+      /* nullable */
+      com.google.cloud.vertexai.api.Schema defaultValue) {
+    if (key == null) {
+      throw new NullPointerException("map key");
+    }
+    java.util.Map<java.lang.String, com.google.cloud.vertexai.api.Schema> map =
+        internalGetDefs().getMap();
+    return map.containsKey(key) ? map.get(key) : defaultValue;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of definitions for use by `ref`
+   * Only allowed at the root of the schema.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.Schema getDefsOrThrow(java.lang.String key) {
+    if (key == null) {
+      throw new NullPointerException("map key");
+    }
+    java.util.Map<java.lang.String, com.google.cloud.vertexai.api.Schema> map =
+        internalGetDefs().getMap();
+    if (!map.containsKey(key)) {
+      throw new java.lang.IllegalArgumentException();
+    }
+    return map.get(key);
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -1144,25 +1434,25 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000002) != 0)) {
       output.writeMessage(2, getItems());
     }
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
+    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
         output, internalGetProperties(), PropertiesDefaultEntryHolder.defaultEntry, 3);
     if (((bitField0_ & 0x00000004) != 0)) {
       output.writeMessage(4, getExample());
     }
     for (int i = 0; i < required_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, required_.getRaw(i));
+      com.google.protobuf.GeneratedMessage.writeString(output, 5, required_.getRaw(i));
     }
     if (nullable_ != false) {
       output.writeBool(6, nullable_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(format_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 7, format_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(format_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 7, format_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(description_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 8, description_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(description_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 8, description_);
     }
     for (int i = 0; i < enum_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 9, enum_.getRaw(i));
+      com.google.protobuf.GeneratedMessage.writeString(output, 9, enum_.getRaw(i));
     }
     for (int i = 0; i < anyOf_.size(); i++) {
       output.writeMessage(11, anyOf_.get(i));
@@ -1185,8 +1475,8 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (maxLength_ != 0L) {
       output.writeInt64(19, maxLength_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pattern_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 20, pattern_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(pattern_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 20, pattern_);
     }
     if (minItems_ != 0L) {
       output.writeInt64(21, minItems_);
@@ -1197,12 +1487,20 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(23, getDefault());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(title_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 24, title_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(title_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 24, title_);
     }
     for (int i = 0; i < propertyOrdering_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 25, propertyOrdering_.getRaw(i));
+      com.google.protobuf.GeneratedMessage.writeString(output, 25, propertyOrdering_.getRaw(i));
+    }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      output.writeMessage(26, getAdditionalProperties());
     }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(ref_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 27, ref_);
+    }
+    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
+        output, internalGetDefs(), DefsDefaultEntryHolder.defaultEntry, 28);
     getUnknownFields().writeTo(output);
   }
 
@@ -1243,11 +1541,11 @@ public int getSerializedSize() {
     if (nullable_ != false) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(6, nullable_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(format_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(7, format_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(format_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(7, format_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(description_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(8, description_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(description_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(8, description_);
     }
     {
       int dataSize = 0;
@@ -1278,8 +1576,8 @@ public int getSerializedSize() {
     if (maxLength_ != 0L) {
       size += com.google.protobuf.CodedOutputStream.computeInt64Size(19, maxLength_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pattern_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(20, pattern_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(pattern_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(20, pattern_);
     }
     if (minItems_ != 0L) {
       size += com.google.protobuf.CodedOutputStream.computeInt64Size(21, minItems_);
@@ -1290,8 +1588,8 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(23, getDefault());
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(title_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(24, title_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(title_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(24, title_);
     }
     {
       int dataSize = 0;
@@ -1301,6 +1599,23 @@ public int getSerializedSize() {
       size += dataSize;
       size += 2 * getPropertyOrderingList().size();
     }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(26, getAdditionalProperties());
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(ref_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(27, ref_);
+    }
+    for (java.util.Map.Entry<java.lang.String, com.google.cloud.vertexai.api.Schema> entry :
+        internalGetDefs().getMap().entrySet()) {
+      com.google.protobuf.MapEntry<java.lang.String, com.google.cloud.vertexai.api.Schema> defs__ =
+          DefsDefaultEntryHolder.defaultEntry
+              .newBuilderForType()
+              .setKey(entry.getKey())
+              .setValue(entry.getValue())
+              .build();
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(28, defs__);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -1349,6 +1664,12 @@ public boolean equals(final java.lang.Object obj) {
       if (!getExample().equals(other.getExample())) return false;
     }
     if (!getAnyOfList().equals(other.getAnyOfList())) return false;
+    if (hasAdditionalProperties() != other.hasAdditionalProperties()) return false;
+    if (hasAdditionalProperties()) {
+      if (!getAdditionalProperties().equals(other.getAdditionalProperties())) return false;
+    }
+    if (!getRef().equals(other.getRef())) return false;
+    if (!internalGetDefs().equals(other.internalGetDefs())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -1426,6 +1747,16 @@ public int hashCode() {
       hash = (37 * hash) + ANY_OF_FIELD_NUMBER;
       hash = (53 * hash) + getAnyOfList().hashCode();
     }
+    if (hasAdditionalProperties()) {
+      hash = (37 * hash) + ADDITIONAL_PROPERTIES_FIELD_NUMBER;
+      hash = (53 * hash) + getAdditionalProperties().hashCode();
+    }
+    hash = (37 * hash) + REF_FIELD_NUMBER;
+    hash = (53 * hash) + getRef().hashCode();
+    if (!internalGetDefs().getMap().isEmpty()) {
+      hash = (37 * hash) + DEFS_FIELD_NUMBER;
+      hash = (53 * hash) + internalGetDefs().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -1467,38 +1798,38 @@ public static com.google.cloud.vertexai.api.Schema parseFrom(
 
   public static com.google.cloud.vertexai.api.Schema parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Schema parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Schema parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Schema parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Schema parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Schema parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -1521,7 +1852,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -1538,7 +1869,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Schema}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Schema)
       com.google.cloud.vertexai.api.SchemaOrBuilder {
@@ -1553,6 +1884,8 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldRefl
       switch (number) {
         case 3:
           return internalGetProperties();
+        case 28:
+          return internalGetDefs();
         default:
           throw new RuntimeException("Invalid map field number: " + number);
       }
@@ -1564,13 +1897,15 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFi
       switch (number) {
         case 3:
           return internalGetMutableProperties();
+        case 28:
+          return internalGetMutableDefs();
         default:
           throw new RuntimeException("Invalid map field number: " + number);
       }
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.OpenApiProto
           .internal_static_google_cloud_vertexai_v1_Schema_fieldAccessorTable
@@ -1584,17 +1919,18 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getDefaultFieldBuilder();
-        getItemsFieldBuilder();
-        getExampleFieldBuilder();
-        getAnyOfFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetDefaultFieldBuilder();
+        internalGetItemsFieldBuilder();
+        internalGetExampleFieldBuilder();
+        internalGetAnyOfFieldBuilder();
+        internalGetAdditionalPropertiesFieldBuilder();
       }
     }
 
@@ -1642,6 +1978,13 @@ public Builder clear() {
         anyOfBuilder_.clear();
       }
       bitField0_ = (bitField0_ & ~0x00200000);
+      additionalProperties_ = null;
+      if (additionalPropertiesBuilder_ != null) {
+        additionalPropertiesBuilder_.dispose();
+        additionalPropertiesBuilder_ = null;
+      }
+      ref_ = "";
+      internalGetMutableDefs().clear();
       return this;
     }
 
@@ -1761,42 +2104,22 @@ private void buildPartial0(com.google.cloud.vertexai.api.Schema result) {
         result.example_ = exampleBuilder_ == null ? example_ : exampleBuilder_.build();
         to_bitField0_ |= 0x00000004;
       }
+      if (((from_bitField0_ & 0x00400000) != 0)) {
+        result.additionalProperties_ =
+            additionalPropertiesBuilder_ == null
+                ? additionalProperties_
+                : additionalPropertiesBuilder_.build();
+        to_bitField0_ |= 0x00000008;
+      }
+      if (((from_bitField0_ & 0x00800000) != 0)) {
+        result.ref_ = ref_;
+      }
+      if (((from_bitField0_ & 0x01000000) != 0)) {
+        result.defs_ = internalGetDefs().build(DefsDefaultEntryHolder.defaultEntry);
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Schema) {
@@ -1880,10 +2203,10 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Schema other) {
       if (other.getMaxProperties() != 0L) {
         setMaxProperties(other.getMaxProperties());
       }
-      if (other.getMinimum() != 0D) {
+      if (java.lang.Double.doubleToRawLongBits(other.getMinimum()) != 0) {
         setMinimum(other.getMinimum());
       }
-      if (other.getMaximum() != 0D) {
+      if (java.lang.Double.doubleToRawLongBits(other.getMaximum()) != 0) {
         setMaximum(other.getMaximum());
       }
       if (other.getMinLength() != 0L) {
@@ -1919,14 +2242,24 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Schema other) {
             anyOf_ = other.anyOf_;
             bitField0_ = (bitField0_ & ~0x00200000);
             anyOfBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getAnyOfFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetAnyOfFieldBuilder()
                     : null;
           } else {
             anyOfBuilder_.addAllMessages(other.anyOf_);
           }
         }
       }
+      if (other.hasAdditionalProperties()) {
+        mergeAdditionalProperties(other.getAdditionalProperties());
+      }
+      if (!other.getRef().isEmpty()) {
+        ref_ = other.ref_;
+        bitField0_ |= 0x00800000;
+        onChanged();
+      }
+      internalGetMutableDefs().mergeFrom(other.internalGetDefs());
+      bitField0_ |= 0x01000000;
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -1961,7 +2294,7 @@ public Builder mergeFrom(
               } // case 8
             case 18:
               {
-                input.readMessage(getItemsFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(internalGetItemsFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000040;
                 break;
               } // case 18
@@ -1980,7 +2313,7 @@ public Builder mergeFrom(
               } // case 26
             case 34:
               {
-                input.readMessage(getExampleFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(internalGetExampleFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00100000;
                 break;
               } // case 34
@@ -2085,7 +2418,7 @@ public Builder mergeFrom(
               } // case 176
             case 186:
               {
-                input.readMessage(getDefaultFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(internalGetDefaultFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000020;
                 break;
               } // case 186
@@ -2102,6 +2435,30 @@ public Builder mergeFrom(
                 propertyOrdering_.add(s);
                 break;
               } // case 202
+            case 210:
+              {
+                input.readMessage(
+                    internalGetAdditionalPropertiesFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00400000;
+                break;
+              } // case 210
+            case 218:
+              {
+                ref_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00800000;
+                break;
+              } // case 218
+            case 226:
+              {
+                com.google.protobuf.MapEntry<java.lang.String, com.google.cloud.vertexai.api.Schema>
+                    defs__ =
+                        input.readMessage(
+                            DefsDefaultEntryHolder.defaultEntry.getParserForType(),
+                            extensionRegistry);
+                internalGetMutableDefs().ensureBuilderMap().put(defs__.getKey(), defs__.getValue());
+                bitField0_ |= 0x01000000;
+                break;
+              } // case 226
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -2229,9 +2586,9 @@ public Builder clearType() {
      * <pre>
      * Optional. The format of the data.
      * Supported formats:
-     *  for NUMBER type: "float", "double"
-     *  for INTEGER type: "int32", "int64"
-     *  for STRING type: "email", "byte", etc
+     * for NUMBER type: "float", "double"
+     * for INTEGER type: "int32", "int64"
+     * for STRING type: "email", "byte", etc
      * </pre>
      *
      * <code>string format = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -2256,9 +2613,9 @@ public java.lang.String getFormat() {
      * <pre>
      * Optional. The format of the data.
      * Supported formats:
-     *  for NUMBER type: "float", "double"
-     *  for INTEGER type: "int32", "int64"
-     *  for STRING type: "email", "byte", etc
+     * for NUMBER type: "float", "double"
+     * for INTEGER type: "int32", "int64"
+     * for STRING type: "email", "byte", etc
      * </pre>
      *
      * <code>string format = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -2283,9 +2640,9 @@ public com.google.protobuf.ByteString getFormatBytes() {
      * <pre>
      * Optional. The format of the data.
      * Supported formats:
-     *  for NUMBER type: "float", "double"
-     *  for INTEGER type: "int32", "int64"
-     *  for STRING type: "email", "byte", etc
+     * for NUMBER type: "float", "double"
+     * for INTEGER type: "int32", "int64"
+     * for STRING type: "email", "byte", etc
      * </pre>
      *
      * <code>string format = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -2309,9 +2666,9 @@ public Builder setFormat(java.lang.String value) {
      * <pre>
      * Optional. The format of the data.
      * Supported formats:
-     *  for NUMBER type: "float", "double"
-     *  for INTEGER type: "int32", "int64"
-     *  for STRING type: "email", "byte", etc
+     * for NUMBER type: "float", "double"
+     * for INTEGER type: "int32", "int64"
+     * for STRING type: "email", "byte", etc
      * </pre>
      *
      * <code>string format = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -2331,9 +2688,9 @@ public Builder clearFormat() {
      * <pre>
      * Optional. The format of the data.
      * Supported formats:
-     *  for NUMBER type: "float", "double"
-     *  for INTEGER type: "int32", "int64"
-     *  for STRING type: "email", "byte", etc
+     * for NUMBER type: "float", "double"
+     * for INTEGER type: "int32", "int64"
+     * for STRING type: "email", "byte", etc
      * </pre>
      *
      * <code>string format = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -2631,7 +2988,7 @@ public Builder clearNullable() {
     }
 
     private com.google.protobuf.Value default_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
@@ -2774,7 +3131,7 @@ public Builder clearDefault() {
     public com.google.protobuf.Value.Builder getDefaultBuilder() {
       bitField0_ |= 0x00000020;
       onChanged();
-      return getDefaultFieldBuilder().getBuilder();
+      return internalGetDefaultFieldBuilder().getBuilder();
     }
 
     /**
@@ -2803,14 +3160,14 @@ public com.google.protobuf.ValueOrBuilder getDefaultOrBuilder() {
      *
      * <code>.google.protobuf.Value default = 23 [(.google.api.field_behavior) = OPTIONAL];</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
-        getDefaultFieldBuilder() {
+        internalGetDefaultFieldBuilder() {
       if (defaultBuilder_ == null) {
         defaultBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Value,
                 com.google.protobuf.Value.Builder,
                 com.google.protobuf.ValueOrBuilder>(
@@ -2821,7 +3178,7 @@ public com.google.protobuf.ValueOrBuilder getDefaultOrBuilder() {
     }
 
     private com.google.cloud.vertexai.api.Schema items_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Schema,
             com.google.cloud.vertexai.api.Schema.Builder,
             com.google.cloud.vertexai.api.SchemaOrBuilder>
@@ -2978,7 +3335,7 @@ public Builder clearItems() {
     public com.google.cloud.vertexai.api.Schema.Builder getItemsBuilder() {
       bitField0_ |= 0x00000040;
       onChanged();
-      return getItemsFieldBuilder().getBuilder();
+      return internalGetItemsFieldBuilder().getBuilder();
     }
 
     /**
@@ -3011,14 +3368,14 @@ public com.google.cloud.vertexai.api.SchemaOrBuilder getItemsOrBuilder() {
      * <code>.google.cloud.vertexai.v1.Schema items = 2 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Schema,
             com.google.cloud.vertexai.api.Schema.Builder,
             com.google.cloud.vertexai.api.SchemaOrBuilder>
-        getItemsFieldBuilder() {
+        internalGetItemsFieldBuilder() {
       if (itemsBuilder_ == null) {
         itemsBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Schema,
                 com.google.cloud.vertexai.api.Schema.Builder,
                 com.google.cloud.vertexai.api.SchemaOrBuilder>(
@@ -4487,7 +4844,7 @@ public Builder setPatternBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.protobuf.Value example_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
@@ -4637,7 +4994,7 @@ public Builder clearExample() {
     public com.google.protobuf.Value.Builder getExampleBuilder() {
       bitField0_ |= 0x00100000;
       onChanged();
-      return getExampleFieldBuilder().getBuilder();
+      return internalGetExampleFieldBuilder().getBuilder();
     }
 
     /**
@@ -4668,14 +5025,14 @@ public com.google.protobuf.ValueOrBuilder getExampleOrBuilder() {
      *
      * <code>.google.protobuf.Value example = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Value,
             com.google.protobuf.Value.Builder,
             com.google.protobuf.ValueOrBuilder>
-        getExampleFieldBuilder() {
+        internalGetExampleFieldBuilder() {
       if (exampleBuilder_ == null) {
         exampleBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Value,
                 com.google.protobuf.Value.Builder,
                 com.google.protobuf.ValueOrBuilder>(
@@ -4695,7 +5052,7 @@ private void ensureAnyOfIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Schema,
             com.google.cloud.vertexai.api.Schema.Builder,
             com.google.cloud.vertexai.api.SchemaOrBuilder>
@@ -4993,7 +5350,7 @@ public Builder removeAnyOf(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Schema.Builder getAnyOfBuilder(int index) {
-      return getAnyOfFieldBuilder().getBuilder(index);
+      return internalGetAnyOfFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -5050,7 +5407,7 @@ public com.google.cloud.vertexai.api.SchemaOrBuilder getAnyOfOrBuilder(int index
      * </code>
      */
     public com.google.cloud.vertexai.api.Schema.Builder addAnyOfBuilder() {
-      return getAnyOfFieldBuilder()
+      return internalGetAnyOfFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Schema.getDefaultInstance());
     }
 
@@ -5067,7 +5424,7 @@ public com.google.cloud.vertexai.api.Schema.Builder addAnyOfBuilder() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Schema.Builder addAnyOfBuilder(int index) {
-      return getAnyOfFieldBuilder()
+      return internalGetAnyOfFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Schema.getDefaultInstance());
     }
 
@@ -5084,17 +5441,17 @@ public com.google.cloud.vertexai.api.Schema.Builder addAnyOfBuilder(int index) {
      * </code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Schema.Builder> getAnyOfBuilderList() {
-      return getAnyOfFieldBuilder().getBuilderList();
+      return internalGetAnyOfFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Schema,
             com.google.cloud.vertexai.api.Schema.Builder,
             com.google.cloud.vertexai.api.SchemaOrBuilder>
-        getAnyOfFieldBuilder() {
+        internalGetAnyOfFieldBuilder() {
       if (anyOfBuilder_ == null) {
         anyOfBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Schema,
                 com.google.cloud.vertexai.api.Schema.Builder,
                 com.google.cloud.vertexai.api.SchemaOrBuilder>(
@@ -5104,15 +5461,701 @@ public java.util.List<com.google.cloud.vertexai.api.Schema.Builder> getAnyOfBuil
       return anyOfBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    private com.google.protobuf.Value additionalProperties_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Value,
+            com.google.protobuf.Value.Builder,
+            com.google.protobuf.ValueOrBuilder>
+        additionalPropertiesBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Can either be a boolean or an object; controls the presence of
+     * additional properties.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the additionalProperties field is set.
+     */
+    public boolean hasAdditionalProperties() {
+      return ((bitField0_ & 0x00400000) != 0);
     }
 
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Can either be a boolean or an object; controls the presence of
+     * additional properties.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The additionalProperties.
+     */
+    public com.google.protobuf.Value getAdditionalProperties() {
+      if (additionalPropertiesBuilder_ == null) {
+        return additionalProperties_ == null
+            ? com.google.protobuf.Value.getDefaultInstance()
+            : additionalProperties_;
+      } else {
+        return additionalPropertiesBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Can either be a boolean or an object; controls the presence of
+     * additional properties.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setAdditionalProperties(com.google.protobuf.Value value) {
+      if (additionalPropertiesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        additionalProperties_ = value;
+      } else {
+        additionalPropertiesBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00400000;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Can either be a boolean or an object; controls the presence of
+     * additional properties.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setAdditionalProperties(com.google.protobuf.Value.Builder builderForValue) {
+      if (additionalPropertiesBuilder_ == null) {
+        additionalProperties_ = builderForValue.build();
+      } else {
+        additionalPropertiesBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00400000;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Can either be a boolean or an object; controls the presence of
+     * additional properties.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeAdditionalProperties(com.google.protobuf.Value value) {
+      if (additionalPropertiesBuilder_ == null) {
+        if (((bitField0_ & 0x00400000) != 0)
+            && additionalProperties_ != null
+            && additionalProperties_ != com.google.protobuf.Value.getDefaultInstance()) {
+          getAdditionalPropertiesBuilder().mergeFrom(value);
+        } else {
+          additionalProperties_ = value;
+        }
+      } else {
+        additionalPropertiesBuilder_.mergeFrom(value);
+      }
+      if (additionalProperties_ != null) {
+        bitField0_ |= 0x00400000;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Can either be a boolean or an object; controls the presence of
+     * additional properties.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearAdditionalProperties() {
+      bitField0_ = (bitField0_ & ~0x00400000);
+      additionalProperties_ = null;
+      if (additionalPropertiesBuilder_ != null) {
+        additionalPropertiesBuilder_.dispose();
+        additionalPropertiesBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Can either be a boolean or an object; controls the presence of
+     * additional properties.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.protobuf.Value.Builder getAdditionalPropertiesBuilder() {
+      bitField0_ |= 0x00400000;
+      onChanged();
+      return internalGetAdditionalPropertiesFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Can either be a boolean or an object; controls the presence of
+     * additional properties.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.protobuf.ValueOrBuilder getAdditionalPropertiesOrBuilder() {
+      if (additionalPropertiesBuilder_ != null) {
+        return additionalPropertiesBuilder_.getMessageOrBuilder();
+      } else {
+        return additionalProperties_ == null
+            ? com.google.protobuf.Value.getDefaultInstance()
+            : additionalProperties_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Can either be a boolean or an object; controls the presence of
+     * additional properties.
+     * </pre>
+     *
+     * <code>
+     * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Value,
+            com.google.protobuf.Value.Builder,
+            com.google.protobuf.ValueOrBuilder>
+        internalGetAdditionalPropertiesFieldBuilder() {
+      if (additionalPropertiesBuilder_ == null) {
+        additionalPropertiesBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.Value,
+                com.google.protobuf.Value.Builder,
+                com.google.protobuf.ValueOrBuilder>(
+                getAdditionalProperties(), getParentForChildren(), isClean());
+        additionalProperties_ = null;
+      }
+      return additionalPropertiesBuilder_;
+    }
+
+    private java.lang.Object ref_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Allows indirect references between schema nodes. The value should
+     * be a valid reference to a child of the root `defs`.
+     *
+     * For example, the following schema defines a reference to a schema node
+     * named "Pet":
+     *
+     * type: object
+     * properties:
+     * pet:
+     * ref: #/defs/Pet
+     * defs:
+     * Pet:
+     * type: object
+     * properties:
+     * name:
+     * type: string
+     *
+     * The value of the "pet" property is a reference to the schema node
+     * named "Pet".
+     * See details in
+     * https://json-schema.org/understanding-json-schema/structuring
+     * </pre>
+     *
+     * <code>string ref = 27 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The ref.
+     */
+    public java.lang.String getRef() {
+      java.lang.Object ref = ref_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        ref_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Allows indirect references between schema nodes. The value should
+     * be a valid reference to a child of the root `defs`.
+     *
+     * For example, the following schema defines a reference to a schema node
+     * named "Pet":
+     *
+     * type: object
+     * properties:
+     * pet:
+     * ref: #/defs/Pet
+     * defs:
+     * Pet:
+     * type: object
+     * properties:
+     * name:
+     * type: string
+     *
+     * The value of the "pet" property is a reference to the schema node
+     * named "Pet".
+     * See details in
+     * https://json-schema.org/understanding-json-schema/structuring
+     * </pre>
+     *
+     * <code>string ref = 27 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for ref.
+     */
+    public com.google.protobuf.ByteString getRefBytes() {
+      java.lang.Object ref = ref_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        ref_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Allows indirect references between schema nodes. The value should
+     * be a valid reference to a child of the root `defs`.
+     *
+     * For example, the following schema defines a reference to a schema node
+     * named "Pet":
+     *
+     * type: object
+     * properties:
+     * pet:
+     * ref: #/defs/Pet
+     * defs:
+     * Pet:
+     * type: object
+     * properties:
+     * name:
+     * type: string
+     *
+     * The value of the "pet" property is a reference to the schema node
+     * named "Pet".
+     * See details in
+     * https://json-schema.org/understanding-json-schema/structuring
+     * </pre>
+     *
+     * <code>string ref = 27 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The ref to set.
+     * @return This builder for chaining.
+     */
+    public Builder setRef(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      ref_ = value;
+      bitField0_ |= 0x00800000;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Allows indirect references between schema nodes. The value should
+     * be a valid reference to a child of the root `defs`.
+     *
+     * For example, the following schema defines a reference to a schema node
+     * named "Pet":
+     *
+     * type: object
+     * properties:
+     * pet:
+     * ref: #/defs/Pet
+     * defs:
+     * Pet:
+     * type: object
+     * properties:
+     * name:
+     * type: string
+     *
+     * The value of the "pet" property is a reference to the schema node
+     * named "Pet".
+     * See details in
+     * https://json-schema.org/understanding-json-schema/structuring
+     * </pre>
+     *
+     * <code>string ref = 27 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearRef() {
+      ref_ = getDefaultInstance().getRef();
+      bitField0_ = (bitField0_ & ~0x00800000);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Allows indirect references between schema nodes. The value should
+     * be a valid reference to a child of the root `defs`.
+     *
+     * For example, the following schema defines a reference to a schema node
+     * named "Pet":
+     *
+     * type: object
+     * properties:
+     * pet:
+     * ref: #/defs/Pet
+     * defs:
+     * Pet:
+     * type: object
+     * properties:
+     * name:
+     * type: string
+     *
+     * The value of the "pet" property is a reference to the schema node
+     * named "Pet".
+     * See details in
+     * https://json-schema.org/understanding-json-schema/structuring
+     * </pre>
+     *
+     * <code>string ref = 27 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for ref to set.
+     * @return This builder for chaining.
+     */
+    public Builder setRefBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      ref_ = value;
+      bitField0_ |= 0x00800000;
+      onChanged();
+      return this;
+    }
+
+    private static final class DefsConverter
+        implements com.google.protobuf.MapFieldBuilder.Converter<
+            java.lang.String,
+            com.google.cloud.vertexai.api.SchemaOrBuilder,
+            com.google.cloud.vertexai.api.Schema> {
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.Schema build(
+          com.google.cloud.vertexai.api.SchemaOrBuilder val) {
+        if (val instanceof com.google.cloud.vertexai.api.Schema) {
+          return (com.google.cloud.vertexai.api.Schema) val;
+        }
+        return ((com.google.cloud.vertexai.api.Schema.Builder) val).build();
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.MapEntry<java.lang.String, com.google.cloud.vertexai.api.Schema>
+          defaultEntry() {
+        return DefsDefaultEntryHolder.defaultEntry;
+      }
+    }
+    ;
+
+    private static final DefsConverter defsConverter = new DefsConverter();
+
+    private com.google.protobuf.MapFieldBuilder<
+            java.lang.String,
+            com.google.cloud.vertexai.api.SchemaOrBuilder,
+            com.google.cloud.vertexai.api.Schema,
+            com.google.cloud.vertexai.api.Schema.Builder>
+        defs_;
+
+    private com.google.protobuf.MapFieldBuilder<
+            java.lang.String,
+            com.google.cloud.vertexai.api.SchemaOrBuilder,
+            com.google.cloud.vertexai.api.Schema,
+            com.google.cloud.vertexai.api.Schema.Builder>
+        internalGetDefs() {
+      if (defs_ == null) {
+        return new com.google.protobuf.MapFieldBuilder<>(defsConverter);
+      }
+      return defs_;
+    }
+
+    private com.google.protobuf.MapFieldBuilder<
+            java.lang.String,
+            com.google.cloud.vertexai.api.SchemaOrBuilder,
+            com.google.cloud.vertexai.api.Schema,
+            com.google.cloud.vertexai.api.Schema.Builder>
+        internalGetMutableDefs() {
+      if (defs_ == null) {
+        defs_ = new com.google.protobuf.MapFieldBuilder<>(defsConverter);
+      }
+      bitField0_ |= 0x01000000;
+      onChanged();
+      return defs_;
+    }
+
+    public int getDefsCount() {
+      return internalGetDefs().ensureBuilderMap().size();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of definitions for use by `ref`
+     * Only allowed at the root of the schema.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public boolean containsDefs(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      return internalGetDefs().ensureBuilderMap().containsKey(key);
+    }
+
+    /** Use {@link #getDefsMap()} instead. */
+    @java.lang.Override
+    @java.lang.Deprecated
+    public java.util.Map<java.lang.String, com.google.cloud.vertexai.api.Schema> getDefs() {
+      return getDefsMap();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of definitions for use by `ref`
+     * Only allowed at the root of the schema.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public java.util.Map<java.lang.String, com.google.cloud.vertexai.api.Schema> getDefsMap() {
+      return internalGetDefs().getImmutableMap();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of definitions for use by `ref`
+     * Only allowed at the root of the schema.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public /* nullable */ com.google.cloud.vertexai.api.Schema getDefsOrDefault(
+        java.lang.String key,
+        /* nullable */
+        com.google.cloud.vertexai.api.Schema defaultValue) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      java.util.Map<java.lang.String, com.google.cloud.vertexai.api.SchemaOrBuilder> map =
+          internalGetMutableDefs().ensureBuilderMap();
+      return map.containsKey(key) ? defsConverter.build(map.get(key)) : defaultValue;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of definitions for use by `ref`
+     * Only allowed at the root of the schema.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.Schema getDefsOrThrow(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      java.util.Map<java.lang.String, com.google.cloud.vertexai.api.SchemaOrBuilder> map =
+          internalGetMutableDefs().ensureBuilderMap();
+      if (!map.containsKey(key)) {
+        throw new java.lang.IllegalArgumentException();
+      }
+      return defsConverter.build(map.get(key));
+    }
+
+    public Builder clearDefs() {
+      bitField0_ = (bitField0_ & ~0x01000000);
+      internalGetMutableDefs().clear();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of definitions for use by `ref`
+     * Only allowed at the root of the schema.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder removeDefs(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      internalGetMutableDefs().ensureBuilderMap().remove(key);
+      return this;
+    }
+
+    /** Use alternate mutation accessors instead. */
+    @java.lang.Deprecated
+    public java.util.Map<java.lang.String, com.google.cloud.vertexai.api.Schema> getMutableDefs() {
+      bitField0_ |= 0x01000000;
+      return internalGetMutableDefs().ensureMessageMap();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of definitions for use by `ref`
+     * Only allowed at the root of the schema.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder putDefs(java.lang.String key, com.google.cloud.vertexai.api.Schema value) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      if (value == null) {
+        throw new NullPointerException("map value");
+      }
+      internalGetMutableDefs().ensureBuilderMap().put(key, value);
+      bitField0_ |= 0x01000000;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of definitions for use by `ref`
+     * Only allowed at the root of the schema.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder putAllDefs(
+        java.util.Map<java.lang.String, com.google.cloud.vertexai.api.Schema> values) {
+      for (java.util.Map.Entry<java.lang.String, com.google.cloud.vertexai.api.Schema> e :
+          values.entrySet()) {
+        if (e.getKey() == null || e.getValue() == null) {
+          throw new NullPointerException();
+        }
+      }
+      internalGetMutableDefs().ensureBuilderMap().putAll(values);
+      bitField0_ |= 0x01000000;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. A map of definitions for use by `ref`
+     * Only allowed at the root of the schema.
+     * </pre>
+     *
+     * <code>
+     * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.Schema.Builder putDefsBuilderIfAbsent(
+        java.lang.String key) {
+      java.util.Map<java.lang.String, com.google.cloud.vertexai.api.SchemaOrBuilder> builderMap =
+          internalGetMutableDefs().ensureBuilderMap();
+      com.google.cloud.vertexai.api.SchemaOrBuilder entry = builderMap.get(key);
+      if (entry == null) {
+        entry = com.google.cloud.vertexai.api.Schema.newBuilder();
+        builderMap.put(key, entry);
+      }
+      if (entry instanceof com.google.cloud.vertexai.api.Schema) {
+        entry = ((com.google.cloud.vertexai.api.Schema) entry).toBuilder();
+        builderMap.put(key, entry);
+      }
+      return (com.google.cloud.vertexai.api.Schema.Builder) entry;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Schema)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SchemaOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SchemaOrBuilder.java
index 74868e173c44..d3f5fbeecc9a 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SchemaOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SchemaOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/openapi.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface SchemaOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Schema)
@@ -56,9 +58,9 @@ public interface SchemaOrBuilder
    * <pre>
    * Optional. The format of the data.
    * Supported formats:
-   *  for NUMBER type: "float", "double"
-   *  for INTEGER type: "int32", "int64"
-   *  for STRING type: "email", "byte", etc
+   * for NUMBER type: "float", "double"
+   * for INTEGER type: "int32", "int64"
+   * for STRING type: "email", "byte", etc
    * </pre>
    *
    * <code>string format = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -73,9 +75,9 @@ public interface SchemaOrBuilder
    * <pre>
    * Optional. The format of the data.
    * Supported formats:
-   *  for NUMBER type: "float", "double"
-   *  for INTEGER type: "int32", "int64"
-   *  for STRING type: "email", "byte", etc
+   * for NUMBER type: "float", "double"
+   * for INTEGER type: "int32", "int64"
+   * for STRING type: "email", "byte", etc
    * </pre>
    *
    * <code>string format = 7 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -740,4 +742,194 @@ com.google.cloud.vertexai.api.Schema getPropertiesOrDefault(
    * </code>
    */
   com.google.cloud.vertexai.api.SchemaOrBuilder getAnyOfOrBuilder(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Can either be a boolean or an object; controls the presence of
+   * additional properties.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the additionalProperties field is set.
+   */
+  boolean hasAdditionalProperties();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Can either be a boolean or an object; controls the presence of
+   * additional properties.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The additionalProperties.
+   */
+  com.google.protobuf.Value getAdditionalProperties();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Can either be a boolean or an object; controls the presence of
+   * additional properties.
+   * </pre>
+   *
+   * <code>
+   * .google.protobuf.Value additional_properties = 26 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.protobuf.ValueOrBuilder getAdditionalPropertiesOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Allows indirect references between schema nodes. The value should
+   * be a valid reference to a child of the root `defs`.
+   *
+   * For example, the following schema defines a reference to a schema node
+   * named "Pet":
+   *
+   * type: object
+   * properties:
+   * pet:
+   * ref: #/defs/Pet
+   * defs:
+   * Pet:
+   * type: object
+   * properties:
+   * name:
+   * type: string
+   *
+   * The value of the "pet" property is a reference to the schema node
+   * named "Pet".
+   * See details in
+   * https://json-schema.org/understanding-json-schema/structuring
+   * </pre>
+   *
+   * <code>string ref = 27 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The ref.
+   */
+  java.lang.String getRef();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Allows indirect references between schema nodes. The value should
+   * be a valid reference to a child of the root `defs`.
+   *
+   * For example, the following schema defines a reference to a schema node
+   * named "Pet":
+   *
+   * type: object
+   * properties:
+   * pet:
+   * ref: #/defs/Pet
+   * defs:
+   * Pet:
+   * type: object
+   * properties:
+   * name:
+   * type: string
+   *
+   * The value of the "pet" property is a reference to the schema node
+   * named "Pet".
+   * See details in
+   * https://json-schema.org/understanding-json-schema/structuring
+   * </pre>
+   *
+   * <code>string ref = 27 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for ref.
+   */
+  com.google.protobuf.ByteString getRefBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of definitions for use by `ref`
+   * Only allowed at the root of the schema.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  int getDefsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of definitions for use by `ref`
+   * Only allowed at the root of the schema.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  boolean containsDefs(java.lang.String key);
+
+  /** Use {@link #getDefsMap()} instead. */
+  @java.lang.Deprecated
+  java.util.Map<java.lang.String, com.google.cloud.vertexai.api.Schema> getDefs();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of definitions for use by `ref`
+   * Only allowed at the root of the schema.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  java.util.Map<java.lang.String, com.google.cloud.vertexai.api.Schema> getDefsMap();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of definitions for use by `ref`
+   * Only allowed at the root of the schema.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  /* nullable */
+  com.google.cloud.vertexai.api.Schema getDefsOrDefault(
+      java.lang.String key,
+      /* nullable */
+      com.google.cloud.vertexai.api.Schema defaultValue);
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. A map of definitions for use by `ref`
+   * Only allowed at the root of the schema.
+   * </pre>
+   *
+   * <code>
+   * map&lt;string, .google.cloud.vertexai.v1.Schema&gt; defs = 28 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.Schema getDefsOrThrow(java.lang.String key);
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SearchEntryPoint.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SearchEntryPoint.java
index 2c79588cf3c8..40b487243e84 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SearchEntryPoint.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SearchEntryPoint.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.SearchEntryPoint}
  */
-public final class SearchEntryPoint extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class SearchEntryPoint extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SearchEntryPoint)
     SearchEntryPointOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "SearchEntryPoint");
+  }
+
   // Use SearchEntryPoint.newBuilder() to construct.
-  private SearchEntryPoint(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private SearchEntryPoint(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private SearchEntryPoint() {
     sdkBlob_ = com.google.protobuf.ByteString.EMPTY;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new SearchEntryPoint();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_SearchEntryPoint_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_SearchEntryPoint_fieldAccessorTable
@@ -154,8 +160,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(renderedContent_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, renderedContent_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(renderedContent_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, renderedContent_);
     }
     if (!sdkBlob_.isEmpty()) {
       output.writeBytes(2, sdkBlob_);
@@ -169,8 +175,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(renderedContent_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, renderedContent_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(renderedContent_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, renderedContent_);
     }
     if (!sdkBlob_.isEmpty()) {
       size += com.google.protobuf.CodedOutputStream.computeBytesSize(2, sdkBlob_);
@@ -250,38 +256,38 @@ public static com.google.cloud.vertexai.api.SearchEntryPoint parseFrom(
 
   public static com.google.cloud.vertexai.api.SearchEntryPoint parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SearchEntryPoint parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SearchEntryPoint parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SearchEntryPoint parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SearchEntryPoint parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SearchEntryPoint parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -304,7 +310,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -318,7 +324,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.SearchEntryPoint}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SearchEntryPoint)
       com.google.cloud.vertexai.api.SearchEntryPointOrBuilder {
@@ -328,7 +334,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_SearchEntryPoint_fieldAccessorTable
@@ -340,7 +346,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.SearchEntryPoint.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -394,39 +400,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.SearchEntryPoint result
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.SearchEntryPoint) {
@@ -444,7 +417,7 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.SearchEntryPoint other) {
         bitField0_ |= 0x00000001;
         onChanged();
       }
-      if (other.getSdkBlob() != com.google.protobuf.ByteString.EMPTY) {
+      if (!other.getSdkBlob().isEmpty()) {
         setSdkBlob(other.getSdkBlob());
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -681,17 +654,6 @@ public Builder clearSdkBlob() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SearchEntryPoint)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SearchEntryPointOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SearchEntryPointOrBuilder.java
index c4d1b325230b..482dd157bbe9 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SearchEntryPointOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SearchEntryPointOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface SearchEntryPointOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.SearchEntryPoint)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Segment.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Segment.java
index fafb2a59a469..7c3142da131f 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Segment.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Segment.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Segment}
  */
-public final class Segment extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Segment extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Segment)
     SegmentOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Segment");
+  }
+
   // Use Segment.newBuilder() to construct.
-  private Segment(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Segment(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private Segment() {
     text_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Segment();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_Segment_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_Segment_fieldAccessorTable
@@ -199,8 +205,8 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (endIndex_ != 0) {
       output.writeInt32(3, endIndex_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(text_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, text_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(text_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 4, text_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -220,8 +226,8 @@ public int getSerializedSize() {
     if (endIndex_ != 0) {
       size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, endIndex_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(text_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, text_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(text_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(4, text_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -302,38 +308,38 @@ public static com.google.cloud.vertexai.api.Segment parseFrom(
 
   public static com.google.cloud.vertexai.api.Segment parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Segment parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Segment parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Segment parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Segment parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Segment parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -356,7 +362,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -370,7 +376,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Segment}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Segment)
       com.google.cloud.vertexai.api.SegmentOrBuilder {
@@ -380,7 +386,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_Segment_fieldAccessorTable
@@ -392,7 +398,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.Segment.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -454,39 +460,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.Segment result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Segment) {
@@ -867,17 +840,6 @@ public Builder setTextBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Segment)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SegmentOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SegmentOrBuilder.java
index 93afca4977ea..f686c3ccba9e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SegmentOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SegmentOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface SegmentOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Segment)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ServiceNetworkingProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ServiceNetworkingProto.java
index b6e37ae40f1a..cfe51686ab10 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ServiceNetworkingProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ServiceNetworkingProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/service_networking.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class ServiceNetworkingProto {
+@com.google.protobuf.Generated
+public final class ServiceNetworkingProto extends com.google.protobuf.GeneratedFile {
   private ServiceNetworkingProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ServiceNetworkingProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,16 +42,24 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_PSCAutomationConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_PSCAutomationConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_PrivateServiceConnectConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_PrivateServiceConnectConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_PscAutomatedEndpoints_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_PscAutomatedEndpoints_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_PscInterfaceConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_PscInterfaceConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_DnsPeeringConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_DnsPeeringConfig_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     return descriptor;
@@ -49,26 +69,48 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
 
   static {
     java.lang.String[] descriptorData = {
-      "\n1google/cloud/vertexai/v1/service_netwo"
+      "\n"
+          + "1google/cloud/vertexai/v1/service_netwo"
           + "rking.proto\022\030google.cloud.vertexai.v1\032\037g"
-          + "oogle/api/field_behavior.proto\032\031google/a"
-          + "pi/resource.proto\"D\n\023PSCAutomationConfig"
-          + "\022\027\n\nproject_id\030\001 \001(\tB\003\340A\002\022\024\n\007network\030\002 \001"
-          + "(\tB\003\340A\002\"\206\001\n\033PrivateServiceConnectConfig\022"
-          + "+\n\036enable_private_service_connect\030\001 \001(\010B"
-          + "\003\340A\002\022\031\n\021project_allowlist\030\002 \003(\t\022\037\n\022servi"
-          + "ce_attachment\030\005 \001(\tB\003\340A\003\"S\n\025PscAutomated"
-          + "Endpoints\022\022\n\nproject_id\030\001 \001(\t\022\017\n\007network"
-          + "\030\002 \001(\t\022\025\n\rmatch_address\030\003 \001(\tB\314\002\n\035com.go"
-          + "ogle.cloud.vertexai.apiB\026ServiceNetworki"
-          + "ngProtoP\001Z>cloud.google.com/go/aiplatfor"
-          + "m/apiv1/aiplatformpb;aiplatformpb\252\002\032Goog"
-          + "le.Cloud.AIPlatform.V1\312\002\032Google\\Cloud\\AI"
-          + "Platform\\V1\352\002\035Google::Cloud::AIPlatform:"
-          + ":V1\352Av\n(compute.googleapis.com/NetworkAt"
-          + "tachment\022Jprojects/{project}/regions/{re"
-          + "gion}/networkAttachments/{networkattachm"
-          + "ent}b\006proto3"
+          + "oogle/api/field_behavior.proto\032\031google/api/resource.proto\"\331\001\n"
+          + "\023PSCAutomationConfig\022\027\n\n"
+          + "project_id\030\001 \001(\tB\003\340A\002\022\024\n"
+          + "\007network\030\002 \001(\tB\003\340A\002\022\027\n\n"
+          + "ip_address\030\003 \001(\tB\003\340A\003\022\034\n"
+          + "\017forwarding_rule\030\004 \001(\tB\003\340A\003\022@\n"
+          + "\005state\030\005 \001(\0162,"
+          + ".google.cloud.vertexai.v1.PSCAutomationStateB\003\340A\003\022\032\n\r"
+          + "error_message\030\006 \001(\tB\003\340A\003\"\332\001\n"
+          + "\033PrivateServiceConnectConfig\022+\n"
+          + "\036enable_private_service_connect\030\001 \001(\010B\003\340A\002\022\031\n"
+          + "\021project_allowlist\030\002 \003(\t\022R\n"
+          + "\026psc_automation_configs\030\003"
+          + " \003(\0132-.google.cloud.vertexai.v1.PSCAutomationConfigB\003\340A\001\022\037\n"
+          + "\022service_attachment\030\005 \001(\tB\003\340A\003\"S\n"
+          + "\025PscAutomatedEndpoints\022\022\n\n"
+          + "project_id\030\001 \001(\t\022\017\n"
+          + "\007network\030\002 \001(\t\022\025\n\r"
+          + "match_address\030\003 \001(\t\"\260\001\n"
+          + "\022PscInterfaceConfig\022L\n"
+          + "\022network_attachment\030\001 \001(\tB0\340A\001\372A*\n"
+          + "(compute.googleapis.com/NetworkAttachment\022L\n"
+          + "\023dns_peering_configs\030\002 \003(\0132*.goog"
+          + "le.cloud.vertexai.v1.DnsPeeringConfigB\003\340A\001\"a\n"
+          + "\020DnsPeeringConfig\022\023\n"
+          + "\006domain\030\001 \001(\tB\003\340A\002\022\033\n"
+          + "\016target_project\030\002 \001(\tB\003\340A\002\022\033\n"
+          + "\016target_network\030\003 \001(\tB\003\340A\002*\200\001\n"
+          + "\022PSCAutomationState\022$\n"
+          + " PSC_AUTOMATION_STATE_UNSPECIFIED\020\000\022#\n"
+          + "\037PSC_AUTOMATION_STATE_SUCCESSFUL\020\001\022\037\n"
+          + "\033PSC_AUTOMATION_STATE_FAILED\020\002B\314\002\n"
+          + "\035com.google.cloud.vertexai.apiB\026ServiceNetwo"
+          + "rkingProtoP\001Z>cloud.google.com/go/aiplat"
+          + "form/apiv1/aiplatformpb;aiplatformpb\252\002\032G"
+          + "oogle.Cloud.AIPlatform.V1\312\002\032Google\\Cloud"
+          + "\\AIPlatform\\V1\352\002\035Google::Cloud::AIPlatform::V1\352Av\n"
+          + "(compute.googleapis.com/NetworkAttachment\022Jprojects/{project}/regions/"
+          + "{region}/networkAttachments/{networkattachment}b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -78,37 +120,58 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.api.ResourceProto.getDescriptor(),
             });
     internal_static_google_cloud_vertexai_v1_PSCAutomationConfig_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+        getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_PSCAutomationConfig_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_PSCAutomationConfig_descriptor,
             new java.lang.String[] {
-              "ProjectId", "Network",
+              "ProjectId", "Network", "IpAddress", "ForwardingRule", "State", "ErrorMessage",
             });
     internal_static_google_cloud_vertexai_v1_PrivateServiceConnectConfig_descriptor =
-        getDescriptor().getMessageTypes().get(1);
+        getDescriptor().getMessageType(1);
     internal_static_google_cloud_vertexai_v1_PrivateServiceConnectConfig_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_PrivateServiceConnectConfig_descriptor,
             new java.lang.String[] {
-              "EnablePrivateServiceConnect", "ProjectAllowlist", "ServiceAttachment",
+              "EnablePrivateServiceConnect",
+              "ProjectAllowlist",
+              "PscAutomationConfigs",
+              "ServiceAttachment",
             });
     internal_static_google_cloud_vertexai_v1_PscAutomatedEndpoints_descriptor =
-        getDescriptor().getMessageTypes().get(2);
+        getDescriptor().getMessageType(2);
     internal_static_google_cloud_vertexai_v1_PscAutomatedEndpoints_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_PscAutomatedEndpoints_descriptor,
             new java.lang.String[] {
               "ProjectId", "Network", "MatchAddress",
             });
+    internal_static_google_cloud_vertexai_v1_PscInterfaceConfig_descriptor =
+        getDescriptor().getMessageType(3);
+    internal_static_google_cloud_vertexai_v1_PscInterfaceConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_PscInterfaceConfig_descriptor,
+            new java.lang.String[] {
+              "NetworkAttachment", "DnsPeeringConfigs",
+            });
+    internal_static_google_cloud_vertexai_v1_DnsPeeringConfig_descriptor =
+        getDescriptor().getMessageType(4);
+    internal_static_google_cloud_vertexai_v1_DnsPeeringConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_DnsPeeringConfig_descriptor,
+            new java.lang.String[] {
+              "Domain", "TargetProject", "TargetNetwork",
+            });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
     registry.add(com.google.api.ResourceProto.resourceDefinition);
+    registry.add(com.google.api.ResourceProto.resourceReference);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.api.ResourceProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SharePointSources.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SharePointSources.java
index 5629f3f5d589..921c8438454b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SharePointSources.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SharePointSources.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.SharePointSources}
  */
-public final class SharePointSources extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class SharePointSources extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SharePointSources)
     SharePointSourcesOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "SharePointSources");
+  }
+
   // Use SharePointSources.newBuilder() to construct.
-  private SharePointSources(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private SharePointSources(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private SharePointSources() {
     sharePointSources_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new SharePointSources();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_SharePointSources_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_SharePointSources_fieldAccessorTable
@@ -388,14 +394,24 @@ public interface SharePointSourceOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.SharePointSources.SharePointSource}
    */
-  public static final class SharePointSource extends com.google.protobuf.GeneratedMessageV3
+  public static final class SharePointSource extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SharePointSources.SharePointSource)
       SharePointSourceOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "SharePointSource");
+    }
+
     // Use SharePointSource.newBuilder() to construct.
-    private SharePointSource(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private SharePointSource(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -406,19 +422,13 @@ private SharePointSource() {
       fileId_ = "";
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new SharePointSource();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_SharePointSources_SharePointSource_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_SharePointSources_SharePointSource_fieldAccessorTable
@@ -1105,32 +1115,32 @@ public final boolean isInitialized() {
 
     @java.lang.Override
     public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(clientId_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, clientId_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(clientId_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, clientId_);
       }
       if (((bitField0_ & 0x00000001) != 0)) {
         output.writeMessage(2, getClientSecret());
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(tenantId_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 3, tenantId_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(tenantId_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 3, tenantId_);
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(sharepointSiteName_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 4, sharepointSiteName_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(sharepointSiteName_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 4, sharepointSiteName_);
       }
       if (folderSourceCase_ == 5) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 5, folderSource_);
+        com.google.protobuf.GeneratedMessage.writeString(output, 5, folderSource_);
       }
       if (folderSourceCase_ == 6) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 6, folderSource_);
+        com.google.protobuf.GeneratedMessage.writeString(output, 6, folderSource_);
       }
       if (driveSourceCase_ == 7) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 7, driveSource_);
+        com.google.protobuf.GeneratedMessage.writeString(output, 7, driveSource_);
       }
       if (driveSourceCase_ == 8) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 8, driveSource_);
+        com.google.protobuf.GeneratedMessage.writeString(output, 8, driveSource_);
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(fileId_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 9, fileId_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(fileId_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 9, fileId_);
       }
       getUnknownFields().writeTo(output);
     }
@@ -1141,32 +1151,32 @@ public int getSerializedSize() {
       if (size != -1) return size;
 
       size = 0;
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(clientId_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, clientId_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(clientId_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, clientId_);
       }
       if (((bitField0_ & 0x00000001) != 0)) {
         size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getClientSecret());
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(tenantId_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, tenantId_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(tenantId_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(3, tenantId_);
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(sharepointSiteName_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, sharepointSiteName_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(sharepointSiteName_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(4, sharepointSiteName_);
       }
       if (folderSourceCase_ == 5) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, folderSource_);
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(5, folderSource_);
       }
       if (folderSourceCase_ == 6) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(6, folderSource_);
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(6, folderSource_);
       }
       if (driveSourceCase_ == 7) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(7, driveSource_);
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(7, driveSource_);
       }
       if (driveSourceCase_ == 8) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(8, driveSource_);
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(8, driveSource_);
       }
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(fileId_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(9, fileId_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(fileId_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(9, fileId_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSize = size;
@@ -1303,39 +1313,39 @@ public static com.google.cloud.vertexai.api.SharePointSources.SharePointSource p
 
     public static com.google.cloud.vertexai.api.SharePointSources.SharePointSource parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.SharePointSources.SharePointSource parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.SharePointSources.SharePointSource
         parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.SharePointSources.SharePointSource
         parseDelimitedFrom(
             java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
             throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.SharePointSources.SharePointSource parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.SharePointSources.SharePointSource parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -1359,8 +1369,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -1374,8 +1383,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.SharePointSources.SharePointSource}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SharePointSources.SharePointSource)
         com.google.cloud.vertexai.api.SharePointSources.SharePointSourceOrBuilder {
@@ -1385,7 +1393,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.IoProto
             .internal_static_google_cloud_vertexai_v1_SharePointSources_SharePointSource_fieldAccessorTable
@@ -1400,14 +1408,14 @@ private Builder() {
         maybeForceBuilderInitialization();
       }
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
         maybeForceBuilderInitialization();
       }
 
       private void maybeForceBuilderInitialization() {
-        if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-          getClientSecretFieldBuilder();
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+          internalGetClientSecretFieldBuilder();
         }
       }
 
@@ -1497,41 +1505,6 @@ private void buildPartialOneofs(
         result.driveSource_ = this.driveSource_;
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.SharePointSources.SharePointSource) {
@@ -1645,7 +1618,8 @@ public Builder mergeFrom(
                 } // case 10
               case 18:
                 {
-                  input.readMessage(getClientSecretFieldBuilder().getBuilder(), extensionRegistry);
+                  input.readMessage(
+                      internalGetClientSecretFieldBuilder().getBuilder(), extensionRegistry);
                   bitField0_ |= 0x00000020;
                   break;
                 } // case 18
@@ -2420,7 +2394,7 @@ public Builder setClientIdBytes(com.google.protobuf.ByteString value) {
       }
 
       private com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig clientSecret_;
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig,
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder,
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder>
@@ -2567,7 +2541,7 @@ public Builder clearClientSecret() {
       public com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder getClientSecretBuilder() {
         bitField0_ |= 0x00000020;
         onChanged();
-        return getClientSecretFieldBuilder().getBuilder();
+        return internalGetClientSecretFieldBuilder().getBuilder();
       }
 
       /**
@@ -2599,14 +2573,14 @@ public com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder getClientSecre
        *
        * <code>.google.cloud.vertexai.v1.ApiAuth.ApiKeyConfig client_secret = 2;</code>
        */
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig,
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder,
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder>
-          getClientSecretFieldBuilder() {
+          internalGetClientSecretFieldBuilder() {
         if (clientSecretBuilder_ == null) {
           clientSecretBuilder_ =
-              new com.google.protobuf.SingleFieldBuilderV3<
+              new com.google.protobuf.SingleFieldBuilder<
                   com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig,
                   com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder,
                   com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder>(
@@ -2954,18 +2928,6 @@ public Builder setFileIdBytes(com.google.protobuf.ByteString value) {
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SharePointSources.SharePointSource)
     }
 
@@ -3216,38 +3178,38 @@ public static com.google.cloud.vertexai.api.SharePointSources parseFrom(
 
   public static com.google.cloud.vertexai.api.SharePointSources parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SharePointSources parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SharePointSources parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SharePointSources parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SharePointSources parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SharePointSources parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -3270,7 +3232,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -3284,7 +3246,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.SharePointSources}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SharePointSources)
       com.google.cloud.vertexai.api.SharePointSourcesOrBuilder {
@@ -3294,7 +3256,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_SharePointSources_fieldAccessorTable
@@ -3306,7 +3268,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.SharePointSources.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -3373,39 +3335,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.SharePointSources resul
       int from_bitField0_ = bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.SharePointSources) {
@@ -3438,8 +3367,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.SharePointSources other)
             sharePointSources_ = other.sharePointSources_;
             bitField0_ = (bitField0_ & ~0x00000001);
             sharePointSourcesBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getSharePointSourcesFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetSharePointSourcesFieldBuilder()
                     : null;
           } else {
             sharePointSourcesBuilder_.addAllMessages(other.sharePointSources_);
@@ -3518,7 +3447,7 @@ private void ensureSharePointSourcesIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.SharePointSources.SharePointSource,
             com.google.cloud.vertexai.api.SharePointSources.SharePointSource.Builder,
             com.google.cloud.vertexai.api.SharePointSources.SharePointSourceOrBuilder>
@@ -3814,7 +3743,7 @@ public Builder removeSharePointSources(int index) {
      */
     public com.google.cloud.vertexai.api.SharePointSources.SharePointSource.Builder
         getSharePointSourcesBuilder(int index) {
-      return getSharePointSourcesFieldBuilder().getBuilder(index);
+      return internalGetSharePointSourcesFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -3871,7 +3800,7 @@ public Builder removeSharePointSources(int index) {
      */
     public com.google.cloud.vertexai.api.SharePointSources.SharePointSource.Builder
         addSharePointSourcesBuilder() {
-      return getSharePointSourcesFieldBuilder()
+      return internalGetSharePointSourcesFieldBuilder()
           .addBuilder(
               com.google.cloud.vertexai.api.SharePointSources.SharePointSource
                   .getDefaultInstance());
@@ -3890,7 +3819,7 @@ public Builder removeSharePointSources(int index) {
      */
     public com.google.cloud.vertexai.api.SharePointSources.SharePointSource.Builder
         addSharePointSourcesBuilder(int index) {
-      return getSharePointSourcesFieldBuilder()
+      return internalGetSharePointSourcesFieldBuilder()
           .addBuilder(
               index,
               com.google.cloud.vertexai.api.SharePointSources.SharePointSource
@@ -3910,17 +3839,17 @@ public Builder removeSharePointSources(int index) {
      */
     public java.util.List<com.google.cloud.vertexai.api.SharePointSources.SharePointSource.Builder>
         getSharePointSourcesBuilderList() {
-      return getSharePointSourcesFieldBuilder().getBuilderList();
+      return internalGetSharePointSourcesFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.SharePointSources.SharePointSource,
             com.google.cloud.vertexai.api.SharePointSources.SharePointSource.Builder,
             com.google.cloud.vertexai.api.SharePointSources.SharePointSourceOrBuilder>
-        getSharePointSourcesFieldBuilder() {
+        internalGetSharePointSourcesFieldBuilder() {
       if (sharePointSourcesBuilder_ == null) {
         sharePointSourcesBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.SharePointSources.SharePointSource,
                 com.google.cloud.vertexai.api.SharePointSources.SharePointSource.Builder,
                 com.google.cloud.vertexai.api.SharePointSources.SharePointSourceOrBuilder>(
@@ -3933,17 +3862,6 @@ public Builder removeSharePointSources(int index) {
       return sharePointSourcesBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SharePointSources)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SharePointSourcesOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SharePointSourcesOrBuilder.java
index 9d31570f7470..edd072391b44 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SharePointSourcesOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SharePointSourcesOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface SharePointSourcesOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.SharePointSources)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ShieldedVmConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ShieldedVmConfig.java
index ea882e9062fb..3bbe117ec85c 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ShieldedVmConfig.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ShieldedVmConfig.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -30,32 +31,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ShieldedVmConfig}
  */
-public final class ShieldedVmConfig extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ShieldedVmConfig extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ShieldedVmConfig)
     ShieldedVmConfigOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ShieldedVmConfig");
+  }
+
   // Use ShieldedVmConfig.newBuilder() to construct.
-  private ShieldedVmConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ShieldedVmConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private ShieldedVmConfig() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ShieldedVmConfig();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_ShieldedVmConfig_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.MachineResourcesProto
         .internal_static_google_cloud_vertexai_v1_ShieldedVmConfig_fieldAccessorTable
@@ -190,38 +196,38 @@ public static com.google.cloud.vertexai.api.ShieldedVmConfig parseFrom(
 
   public static com.google.cloud.vertexai.api.ShieldedVmConfig parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ShieldedVmConfig parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ShieldedVmConfig parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ShieldedVmConfig parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ShieldedVmConfig parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ShieldedVmConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -244,7 +250,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -260,7 +266,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ShieldedVmConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ShieldedVmConfig)
       com.google.cloud.vertexai.api.ShieldedVmConfigOrBuilder {
@@ -270,7 +276,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.MachineResourcesProto
           .internal_static_google_cloud_vertexai_v1_ShieldedVmConfig_fieldAccessorTable
@@ -282,7 +288,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.ShieldedVmConfig.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -332,39 +338,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ShieldedVmConfig result
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ShieldedVmConfig) {
@@ -505,17 +478,6 @@ public Builder clearEnableSecureBoot() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ShieldedVmConfig)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ShieldedVmConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ShieldedVmConfigOrBuilder.java
index 8a2e0c38746b..d526e642c8e1 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ShieldedVmConfigOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ShieldedVmConfigOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/machine_resources.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ShieldedVmConfigOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ShieldedVmConfig)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SlackSource.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SlackSource.java
index 390fcaee4c95..9a62eff68fed 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SlackSource.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SlackSource.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.SlackSource}
  */
-public final class SlackSource extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class SlackSource extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SlackSource)
     SlackSourceOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "SlackSource");
+  }
+
   // Use SlackSource.newBuilder() to construct.
-  private SlackSource(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private SlackSource(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private SlackSource() {
     channels_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new SlackSource();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_SlackSource_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_SlackSource_fieldAccessorTable
@@ -200,14 +206,24 @@ public interface SlackChannelsOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.SlackSource.SlackChannels}
    */
-  public static final class SlackChannels extends com.google.protobuf.GeneratedMessageV3
+  public static final class SlackChannels extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SlackSource.SlackChannels)
       SlackChannelsOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "SlackChannels");
+    }
+
     // Use SlackChannels.newBuilder() to construct.
-    private SlackChannels(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private SlackChannels(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -215,19 +231,13 @@ private SlackChannels() {
       channels_ = java.util.Collections.emptyList();
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new SlackChannels();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_fieldAccessorTable
@@ -357,14 +367,24 @@ public interface SlackChannelOrBuilder
      *
      * Protobuf type {@code google.cloud.vertexai.v1.SlackSource.SlackChannels.SlackChannel}
      */
-    public static final class SlackChannel extends com.google.protobuf.GeneratedMessageV3
+    public static final class SlackChannel extends com.google.protobuf.GeneratedMessage
         implements
         // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SlackSource.SlackChannels.SlackChannel)
         SlackChannelOrBuilder {
       private static final long serialVersionUID = 0L;
 
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 0,
+            /* suffix= */ "",
+            "SlackChannel");
+      }
+
       // Use SlackChannel.newBuilder() to construct.
-      private SlackChannel(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      private SlackChannel(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
         super(builder);
       }
 
@@ -372,19 +392,13 @@ private SlackChannel() {
         channelId_ = "";
       }
 
-      @java.lang.Override
-      @SuppressWarnings({"unused"})
-      protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-        return new SlackChannel();
-      }
-
       public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         return com.google.cloud.vertexai.api.IoProto
             .internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_SlackChannel_descriptor;
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.IoProto
             .internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_SlackChannel_fieldAccessorTable
@@ -565,8 +579,8 @@ public final boolean isInitialized() {
 
       @java.lang.Override
       public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-        if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(channelId_)) {
-          com.google.protobuf.GeneratedMessageV3.writeString(output, 1, channelId_);
+        if (!com.google.protobuf.GeneratedMessage.isStringEmpty(channelId_)) {
+          com.google.protobuf.GeneratedMessage.writeString(output, 1, channelId_);
         }
         if (((bitField0_ & 0x00000001) != 0)) {
           output.writeMessage(2, getStartTime());
@@ -583,8 +597,8 @@ public int getSerializedSize() {
         if (size != -1) return size;
 
         size = 0;
-        if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(channelId_)) {
-          size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, channelId_);
+        if (!com.google.protobuf.GeneratedMessage.isStringEmpty(channelId_)) {
+          size += com.google.protobuf.GeneratedMessage.computeStringSize(1, channelId_);
         }
         if (((bitField0_ & 0x00000001) != 0)) {
           size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getStartTime());
@@ -681,19 +695,19 @@ public static com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChann
 
       public static com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel parseFrom(
           java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel parseFrom(
           java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
             PARSER, input, extensionRegistry);
       }
 
       public static com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel
           parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel
@@ -701,20 +715,20 @@ public static com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChann
               java.io.InputStream input,
               com.google.protobuf.ExtensionRegistryLite extensionRegistry)
               throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
             PARSER, input, extensionRegistry);
       }
 
       public static com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel parseFrom(
           com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
       }
 
       public static com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel parseFrom(
           com.google.protobuf.CodedInputStream input,
           com.google.protobuf.ExtensionRegistryLite extensionRegistry)
           throws java.io.IOException {
-        return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
             PARSER, input, extensionRegistry);
       }
 
@@ -739,7 +753,7 @@ public Builder toBuilder() {
 
       @java.lang.Override
       protected Builder newBuilderForType(
-          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         Builder builder = new Builder(parent);
         return builder;
       }
@@ -754,7 +768,7 @@ protected Builder newBuilderForType(
        * Protobuf type {@code google.cloud.vertexai.v1.SlackSource.SlackChannels.SlackChannel}
        */
       public static final class Builder
-          extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+          extends com.google.protobuf.GeneratedMessage.Builder<Builder>
           implements
           // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SlackSource.SlackChannels.SlackChannel)
           com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannelOrBuilder {
@@ -764,7 +778,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
         }
 
         @java.lang.Override
-        protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
             internalGetFieldAccessorTable() {
           return com.google.cloud.vertexai.api.IoProto
               .internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_SlackChannel_fieldAccessorTable
@@ -780,15 +794,15 @@ private Builder() {
           maybeForceBuilderInitialization();
         }
 
-        private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
           super(parent);
           maybeForceBuilderInitialization();
         }
 
         private void maybeForceBuilderInitialization() {
-          if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-            getStartTimeFieldBuilder();
-            getEndTimeFieldBuilder();
+          if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+            internalGetStartTimeFieldBuilder();
+            internalGetEndTimeFieldBuilder();
           }
         }
 
@@ -862,41 +876,6 @@ private void buildPartial0(
           result.bitField0_ |= to_bitField0_;
         }
 
-        @java.lang.Override
-        public Builder clone() {
-          return super.clone();
-        }
-
-        @java.lang.Override
-        public Builder setField(
-            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-          return super.setField(field, value);
-        }
-
-        @java.lang.Override
-        public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-          return super.clearField(field);
-        }
-
-        @java.lang.Override
-        public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-          return super.clearOneof(oneof);
-        }
-
-        @java.lang.Override
-        public Builder setRepeatedField(
-            com.google.protobuf.Descriptors.FieldDescriptor field,
-            int index,
-            java.lang.Object value) {
-          return super.setRepeatedField(field, index, value);
-        }
-
-        @java.lang.Override
-        public Builder addRepeatedField(
-            com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-          return super.addRepeatedField(field, value);
-        }
-
         @java.lang.Override
         public Builder mergeFrom(com.google.protobuf.Message other) {
           if (other
@@ -959,13 +938,15 @@ public Builder mergeFrom(
                   } // case 10
                 case 18:
                   {
-                    input.readMessage(getStartTimeFieldBuilder().getBuilder(), extensionRegistry);
+                    input.readMessage(
+                        internalGetStartTimeFieldBuilder().getBuilder(), extensionRegistry);
                     bitField0_ |= 0x00000002;
                     break;
                   } // case 18
                 case 26:
                   {
-                    input.readMessage(getEndTimeFieldBuilder().getBuilder(), extensionRegistry);
+                    input.readMessage(
+                        internalGetEndTimeFieldBuilder().getBuilder(), extensionRegistry);
                     bitField0_ |= 0x00000004;
                     break;
                   } // case 26
@@ -1100,7 +1081,7 @@ public Builder setChannelIdBytes(com.google.protobuf.ByteString value) {
         }
 
         private com.google.protobuf.Timestamp startTime_;
-        private com.google.protobuf.SingleFieldBuilderV3<
+        private com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Timestamp,
                 com.google.protobuf.Timestamp.Builder,
                 com.google.protobuf.TimestampOrBuilder>
@@ -1259,7 +1240,7 @@ public Builder clearStartTime() {
         public com.google.protobuf.Timestamp.Builder getStartTimeBuilder() {
           bitField0_ |= 0x00000002;
           onChanged();
-          return getStartTimeFieldBuilder().getBuilder();
+          return internalGetStartTimeFieldBuilder().getBuilder();
         }
 
         /**
@@ -1294,14 +1275,14 @@ public com.google.protobuf.TimestampOrBuilder getStartTimeOrBuilder() {
          * .google.protobuf.Timestamp start_time = 2 [(.google.api.field_behavior) = OPTIONAL];
          * </code>
          */
-        private com.google.protobuf.SingleFieldBuilderV3<
+        private com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Timestamp,
                 com.google.protobuf.Timestamp.Builder,
                 com.google.protobuf.TimestampOrBuilder>
-            getStartTimeFieldBuilder() {
+            internalGetStartTimeFieldBuilder() {
           if (startTimeBuilder_ == null) {
             startTimeBuilder_ =
-                new com.google.protobuf.SingleFieldBuilderV3<
+                new com.google.protobuf.SingleFieldBuilder<
                     com.google.protobuf.Timestamp,
                     com.google.protobuf.Timestamp.Builder,
                     com.google.protobuf.TimestampOrBuilder>(
@@ -1312,7 +1293,7 @@ public com.google.protobuf.TimestampOrBuilder getStartTimeOrBuilder() {
         }
 
         private com.google.protobuf.Timestamp endTime_;
-        private com.google.protobuf.SingleFieldBuilderV3<
+        private com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Timestamp,
                 com.google.protobuf.Timestamp.Builder,
                 com.google.protobuf.TimestampOrBuilder>
@@ -1462,7 +1443,7 @@ public Builder clearEndTime() {
         public com.google.protobuf.Timestamp.Builder getEndTimeBuilder() {
           bitField0_ |= 0x00000004;
           onChanged();
-          return getEndTimeFieldBuilder().getBuilder();
+          return internalGetEndTimeFieldBuilder().getBuilder();
         }
 
         /**
@@ -1493,14 +1474,14 @@ public com.google.protobuf.TimestampOrBuilder getEndTimeOrBuilder() {
          * <code>.google.protobuf.Timestamp end_time = 3 [(.google.api.field_behavior) = OPTIONAL];
          * </code>
          */
-        private com.google.protobuf.SingleFieldBuilderV3<
+        private com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Timestamp,
                 com.google.protobuf.Timestamp.Builder,
                 com.google.protobuf.TimestampOrBuilder>
-            getEndTimeFieldBuilder() {
+            internalGetEndTimeFieldBuilder() {
           if (endTimeBuilder_ == null) {
             endTimeBuilder_ =
-                new com.google.protobuf.SingleFieldBuilderV3<
+                new com.google.protobuf.SingleFieldBuilder<
                     com.google.protobuf.Timestamp,
                     com.google.protobuf.Timestamp.Builder,
                     com.google.protobuf.TimestampOrBuilder>(
@@ -1510,18 +1491,6 @@ public com.google.protobuf.TimestampOrBuilder getEndTimeOrBuilder() {
           return endTimeBuilder_;
         }
 
-        @java.lang.Override
-        public final Builder setUnknownFields(
-            final com.google.protobuf.UnknownFieldSet unknownFields) {
-          return super.setUnknownFields(unknownFields);
-        }
-
-        @java.lang.Override
-        public final Builder mergeUnknownFields(
-            final com.google.protobuf.UnknownFieldSet unknownFields) {
-          return super.mergeUnknownFields(unknownFields);
-        }
-
         // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SlackSource.SlackChannels.SlackChannel)
       }
 
@@ -1855,38 +1824,38 @@ public static com.google.cloud.vertexai.api.SlackSource.SlackChannels parseFrom(
 
     public static com.google.cloud.vertexai.api.SlackSource.SlackChannels parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.SlackSource.SlackChannels parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.SlackSource.SlackChannels parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.SlackSource.SlackChannels parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.SlackSource.SlackChannels parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.SlackSource.SlackChannels parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -1910,8 +1879,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -1925,8 +1893,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.SlackSource.SlackChannels}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SlackSource.SlackChannels)
         com.google.cloud.vertexai.api.SlackSource.SlackChannelsOrBuilder {
@@ -1936,7 +1903,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.IoProto
             .internal_static_google_cloud_vertexai_v1_SlackSource_SlackChannels_fieldAccessorTable
@@ -1950,15 +1917,15 @@ private Builder() {
         maybeForceBuilderInitialization();
       }
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
         maybeForceBuilderInitialization();
       }
 
       private void maybeForceBuilderInitialization() {
-        if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-          getChannelsFieldBuilder();
-          getApiKeyConfigFieldBuilder();
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+          internalGetChannelsFieldBuilder();
+          internalGetApiKeyConfigFieldBuilder();
         }
       }
 
@@ -2037,41 +2004,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.SlackSource.SlackChanne
         result.bitField0_ |= to_bitField0_;
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.SlackSource.SlackChannels) {
@@ -2104,8 +2036,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.SlackSource.SlackChannels
               channels_ = other.channels_;
               bitField0_ = (bitField0_ & ~0x00000001);
               channelsBuilder_ =
-                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                      ? getChannelsFieldBuilder()
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetChannelsFieldBuilder()
                       : null;
             } else {
               channelsBuilder_.addAllMessages(other.channels_);
@@ -2158,7 +2090,8 @@ public Builder mergeFrom(
                 } // case 10
               case 26:
                 {
-                  input.readMessage(getApiKeyConfigFieldBuilder().getBuilder(), extensionRegistry);
+                  input.readMessage(
+                      internalGetApiKeyConfigFieldBuilder().getBuilder(), extensionRegistry);
                   bitField0_ |= 0x00000002;
                   break;
                 } // case 26
@@ -2193,7 +2126,7 @@ private void ensureChannelsIsMutable() {
         }
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel,
               com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel.Builder,
               com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannelOrBuilder>
@@ -2492,7 +2425,7 @@ public Builder removeChannels(int index) {
        */
       public com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel.Builder
           getChannelsBuilder(int index) {
-        return getChannelsFieldBuilder().getBuilder(index);
+        return internalGetChannelsFieldBuilder().getBuilder(index);
       }
 
       /**
@@ -2550,7 +2483,7 @@ public Builder removeChannels(int index) {
        */
       public com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel.Builder
           addChannelsBuilder() {
-        return getChannelsFieldBuilder()
+        return internalGetChannelsFieldBuilder()
             .addBuilder(
                 com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel
                     .getDefaultInstance());
@@ -2569,7 +2502,7 @@ public Builder removeChannels(int index) {
        */
       public com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel.Builder
           addChannelsBuilder(int index) {
-        return getChannelsFieldBuilder()
+        return internalGetChannelsFieldBuilder()
             .addBuilder(
                 index,
                 com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel
@@ -2590,17 +2523,17 @@ public Builder removeChannels(int index) {
       public java.util.List<
               com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel.Builder>
           getChannelsBuilderList() {
-        return getChannelsFieldBuilder().getBuilderList();
+        return internalGetChannelsFieldBuilder().getBuilderList();
       }
 
-      private com.google.protobuf.RepeatedFieldBuilderV3<
+      private com.google.protobuf.RepeatedFieldBuilder<
               com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel,
               com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel.Builder,
               com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannelOrBuilder>
-          getChannelsFieldBuilder() {
+          internalGetChannelsFieldBuilder() {
         if (channelsBuilder_ == null) {
           channelsBuilder_ =
-              new com.google.protobuf.RepeatedFieldBuilderV3<
+              new com.google.protobuf.RepeatedFieldBuilder<
                   com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel,
                   com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannel.Builder,
                   com.google.cloud.vertexai.api.SlackSource.SlackChannels.SlackChannelOrBuilder>(
@@ -2611,7 +2544,7 @@ public Builder removeChannels(int index) {
       }
 
       private com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig apiKeyConfig_;
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig,
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder,
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder>
@@ -2793,7 +2726,7 @@ public Builder clearApiKeyConfig() {
       public com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder getApiKeyConfigBuilder() {
         bitField0_ |= 0x00000002;
         onChanged();
-        return getApiKeyConfigFieldBuilder().getBuilder();
+        return internalGetApiKeyConfigFieldBuilder().getBuilder();
       }
 
       /**
@@ -2835,14 +2768,14 @@ public com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder getApiKeyConfi
        * .google.cloud.vertexai.v1.ApiAuth.ApiKeyConfig api_key_config = 3 [(.google.api.field_behavior) = REQUIRED];
        * </code>
        */
-      private com.google.protobuf.SingleFieldBuilderV3<
+      private com.google.protobuf.SingleFieldBuilder<
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig,
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder,
               com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder>
-          getApiKeyConfigFieldBuilder() {
+          internalGetApiKeyConfigFieldBuilder() {
         if (apiKeyConfigBuilder_ == null) {
           apiKeyConfigBuilder_ =
-              new com.google.protobuf.SingleFieldBuilderV3<
+              new com.google.protobuf.SingleFieldBuilder<
                   com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig,
                   com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder,
                   com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfigOrBuilder>(
@@ -2852,18 +2785,6 @@ public com.google.cloud.vertexai.api.ApiAuth.ApiKeyConfig.Builder getApiKeyConfi
         return apiKeyConfigBuilder_;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SlackSource.SlackChannels)
     }
 
@@ -3106,38 +3027,38 @@ public static com.google.cloud.vertexai.api.SlackSource parseFrom(
 
   public static com.google.cloud.vertexai.api.SlackSource parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SlackSource parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SlackSource parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SlackSource parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SlackSource parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SlackSource parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -3160,7 +3081,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -3174,7 +3095,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.SlackSource}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SlackSource)
       com.google.cloud.vertexai.api.SlackSourceOrBuilder {
@@ -3184,7 +3105,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_SlackSource_fieldAccessorTable
@@ -3196,7 +3117,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.SlackSource.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -3262,39 +3183,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.SlackSource result) {
       int from_bitField0_ = bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.SlackSource) {
@@ -3326,8 +3214,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.SlackSource other) {
             channels_ = other.channels_;
             bitField0_ = (bitField0_ & ~0x00000001);
             channelsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getChannelsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetChannelsFieldBuilder()
                     : null;
           } else {
             channelsBuilder_.addAllMessages(other.channels_);
@@ -3405,7 +3293,7 @@ private void ensureChannelsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.SlackSource.SlackChannels,
             com.google.cloud.vertexai.api.SlackSource.SlackChannels.Builder,
             com.google.cloud.vertexai.api.SlackSource.SlackChannelsOrBuilder>
@@ -3698,7 +3586,7 @@ public Builder removeChannels(int index) {
      */
     public com.google.cloud.vertexai.api.SlackSource.SlackChannels.Builder getChannelsBuilder(
         int index) {
-      return getChannelsFieldBuilder().getBuilder(index);
+      return internalGetChannelsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -3754,7 +3642,7 @@ public com.google.cloud.vertexai.api.SlackSource.SlackChannelsOrBuilder getChann
      * </code>
      */
     public com.google.cloud.vertexai.api.SlackSource.SlackChannels.Builder addChannelsBuilder() {
-      return getChannelsFieldBuilder()
+      return internalGetChannelsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.SlackSource.SlackChannels.getDefaultInstance());
     }
 
@@ -3771,7 +3659,7 @@ public com.google.cloud.vertexai.api.SlackSource.SlackChannels.Builder addChanne
      */
     public com.google.cloud.vertexai.api.SlackSource.SlackChannels.Builder addChannelsBuilder(
         int index) {
-      return getChannelsFieldBuilder()
+      return internalGetChannelsFieldBuilder()
           .addBuilder(
               index, com.google.cloud.vertexai.api.SlackSource.SlackChannels.getDefaultInstance());
     }
@@ -3789,17 +3677,17 @@ public com.google.cloud.vertexai.api.SlackSource.SlackChannels.Builder addChanne
      */
     public java.util.List<com.google.cloud.vertexai.api.SlackSource.SlackChannels.Builder>
         getChannelsBuilderList() {
-      return getChannelsFieldBuilder().getBuilderList();
+      return internalGetChannelsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.SlackSource.SlackChannels,
             com.google.cloud.vertexai.api.SlackSource.SlackChannels.Builder,
             com.google.cloud.vertexai.api.SlackSource.SlackChannelsOrBuilder>
-        getChannelsFieldBuilder() {
+        internalGetChannelsFieldBuilder() {
       if (channelsBuilder_ == null) {
         channelsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.SlackSource.SlackChannels,
                 com.google.cloud.vertexai.api.SlackSource.SlackChannels.Builder,
                 com.google.cloud.vertexai.api.SlackSource.SlackChannelsOrBuilder>(
@@ -3809,17 +3697,6 @@ public com.google.cloud.vertexai.api.SlackSource.SlackChannels.Builder addChanne
       return channelsBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SlackSource)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SlackSourceOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SlackSourceOrBuilder.java
index 582c268ed05b..6e14dfe6e0ac 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SlackSourceOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SlackSourceOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface SlackSourceOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.SlackSource)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SmoothGradConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SmoothGradConfig.java
index de039ad085d5..5e2ea0ae2563 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SmoothGradConfig.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SmoothGradConfig.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -33,32 +34,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.SmoothGradConfig}
  */
-public final class SmoothGradConfig extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class SmoothGradConfig extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SmoothGradConfig)
     SmoothGradConfigOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "SmoothGradConfig");
+  }
+
   // Use SmoothGradConfig.newBuilder() to construct.
-  private SmoothGradConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private SmoothGradConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private SmoothGradConfig() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new SmoothGradConfig();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_SmoothGradConfig_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_SmoothGradConfig_fieldAccessorTable
@@ -416,38 +422,38 @@ public static com.google.cloud.vertexai.api.SmoothGradConfig parseFrom(
 
   public static com.google.cloud.vertexai.api.SmoothGradConfig parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SmoothGradConfig parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SmoothGradConfig parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SmoothGradConfig parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SmoothGradConfig parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SmoothGradConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -470,7 +476,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -489,7 +495,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.SmoothGradConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SmoothGradConfig)
       com.google.cloud.vertexai.api.SmoothGradConfigOrBuilder {
@@ -499,7 +505,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_SmoothGradConfig_fieldAccessorTable
@@ -511,7 +517,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.SmoothGradConfig.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -575,39 +581,6 @@ private void buildPartialOneofs(com.google.cloud.vertexai.api.SmoothGradConfig r
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.SmoothGradConfig) {
@@ -674,7 +647,7 @@ public Builder mergeFrom(
             case 18:
               {
                 input.readMessage(
-                    getFeatureNoiseSigmaFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetFeatureNoiseSigmaFieldBuilder().getBuilder(), extensionRegistry);
                 gradientNoiseSigmaCase_ = 2;
                 break;
               } // case 18
@@ -838,7 +811,7 @@ public Builder clearNoiseSigma() {
       return this;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.FeatureNoiseSigma,
             com.google.cloud.vertexai.api.FeatureNoiseSigma.Builder,
             com.google.cloud.vertexai.api.FeatureNoiseSigmaOrBuilder>
@@ -1049,7 +1022,7 @@ public Builder clearFeatureNoiseSigma() {
      * <code>.google.cloud.vertexai.v1.FeatureNoiseSigma feature_noise_sigma = 2;</code>
      */
     public com.google.cloud.vertexai.api.FeatureNoiseSigma.Builder getFeatureNoiseSigmaBuilder() {
-      return getFeatureNoiseSigmaFieldBuilder().getBuilder();
+      return internalGetFeatureNoiseSigmaFieldBuilder().getBuilder();
     }
 
     /**
@@ -1097,18 +1070,18 @@ public com.google.cloud.vertexai.api.FeatureNoiseSigma.Builder getFeatureNoiseSi
      *
      * <code>.google.cloud.vertexai.v1.FeatureNoiseSigma feature_noise_sigma = 2;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.FeatureNoiseSigma,
             com.google.cloud.vertexai.api.FeatureNoiseSigma.Builder,
             com.google.cloud.vertexai.api.FeatureNoiseSigmaOrBuilder>
-        getFeatureNoiseSigmaFieldBuilder() {
+        internalGetFeatureNoiseSigmaFieldBuilder() {
       if (featureNoiseSigmaBuilder_ == null) {
         if (!(gradientNoiseSigmaCase_ == 2)) {
           gradientNoiseSigma_ =
               com.google.cloud.vertexai.api.FeatureNoiseSigma.getDefaultInstance();
         }
         featureNoiseSigmaBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.FeatureNoiseSigma,
                 com.google.cloud.vertexai.api.FeatureNoiseSigma.Builder,
                 com.google.cloud.vertexai.api.FeatureNoiseSigmaOrBuilder>(
@@ -1187,17 +1160,6 @@ public Builder clearNoisySampleCount() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SmoothGradConfig)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SmoothGradConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SmoothGradConfigOrBuilder.java
index f5042f5dbe76..69148b3cfadf 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SmoothGradConfigOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SmoothGradConfigOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface SmoothGradConfigOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.SmoothGradConfig)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeakerVoiceConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeakerVoiceConfig.java
new file mode 100644
index 000000000000..0086a9d72cba
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeakerVoiceConfig.java
@@ -0,0 +1,921 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Configuration for a single speaker in a multi-speaker setup.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.SpeakerVoiceConfig}
+ */
+@com.google.protobuf.Generated
+public final class SpeakerVoiceConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SpeakerVoiceConfig)
+    SpeakerVoiceConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "SpeakerVoiceConfig");
+  }
+
+  // Use SpeakerVoiceConfig.newBuilder() to construct.
+  private SpeakerVoiceConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private SpeakerVoiceConfig() {
+    speaker_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_SpeakerVoiceConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_SpeakerVoiceConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.SpeakerVoiceConfig.class,
+            com.google.cloud.vertexai.api.SpeakerVoiceConfig.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int SPEAKER_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object speaker_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the speaker. This should be the same as the speaker
+   * name used in the prompt.
+   * </pre>
+   *
+   * <code>string speaker = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The speaker.
+   */
+  @java.lang.Override
+  public java.lang.String getSpeaker() {
+    java.lang.Object ref = speaker_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      speaker_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the speaker. This should be the same as the speaker
+   * name used in the prompt.
+   * </pre>
+   *
+   * <code>string speaker = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for speaker.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getSpeakerBytes() {
+    java.lang.Object ref = speaker_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      speaker_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int VOICE_CONFIG_FIELD_NUMBER = 2;
+  private com.google.cloud.vertexai.api.VoiceConfig voiceConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The configuration for the voice of this speaker.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return Whether the voiceConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasVoiceConfig() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The configuration for the voice of this speaker.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The voiceConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.VoiceConfig getVoiceConfig() {
+    return voiceConfig_ == null
+        ? com.google.cloud.vertexai.api.VoiceConfig.getDefaultInstance()
+        : voiceConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The configuration for the voice of this speaker.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.VoiceConfigOrBuilder getVoiceConfigOrBuilder() {
+    return voiceConfig_ == null
+        ? com.google.cloud.vertexai.api.VoiceConfig.getDefaultInstance()
+        : voiceConfig_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(speaker_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, speaker_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(2, getVoiceConfig());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(speaker_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, speaker_);
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getVoiceConfig());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.SpeakerVoiceConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.SpeakerVoiceConfig other =
+        (com.google.cloud.vertexai.api.SpeakerVoiceConfig) obj;
+
+    if (!getSpeaker().equals(other.getSpeaker())) return false;
+    if (hasVoiceConfig() != other.hasVoiceConfig()) return false;
+    if (hasVoiceConfig()) {
+      if (!getVoiceConfig().equals(other.getVoiceConfig())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + SPEAKER_FIELD_NUMBER;
+    hash = (53 * hash) + getSpeaker().hashCode();
+    if (hasVoiceConfig()) {
+      hash = (37 * hash) + VOICE_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getVoiceConfig().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.SpeakerVoiceConfig parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeakerVoiceConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeakerVoiceConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeakerVoiceConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeakerVoiceConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeakerVoiceConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeakerVoiceConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeakerVoiceConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeakerVoiceConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeakerVoiceConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeakerVoiceConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeakerVoiceConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.SpeakerVoiceConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for a single speaker in a multi-speaker setup.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.SpeakerVoiceConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SpeakerVoiceConfig)
+      com.google.cloud.vertexai.api.SpeakerVoiceConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_SpeakerVoiceConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_SpeakerVoiceConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.SpeakerVoiceConfig.class,
+              com.google.cloud.vertexai.api.SpeakerVoiceConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.SpeakerVoiceConfig.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetVoiceConfigFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      speaker_ = "";
+      voiceConfig_ = null;
+      if (voiceConfigBuilder_ != null) {
+        voiceConfigBuilder_.dispose();
+        voiceConfigBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_SpeakerVoiceConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.SpeakerVoiceConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.SpeakerVoiceConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.SpeakerVoiceConfig build() {
+      com.google.cloud.vertexai.api.SpeakerVoiceConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.SpeakerVoiceConfig buildPartial() {
+      com.google.cloud.vertexai.api.SpeakerVoiceConfig result =
+          new com.google.cloud.vertexai.api.SpeakerVoiceConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.SpeakerVoiceConfig result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.speaker_ = speaker_;
+      }
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.voiceConfig_ =
+            voiceConfigBuilder_ == null ? voiceConfig_ : voiceConfigBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.SpeakerVoiceConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.SpeakerVoiceConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.SpeakerVoiceConfig other) {
+      if (other == com.google.cloud.vertexai.api.SpeakerVoiceConfig.getDefaultInstance())
+        return this;
+      if (!other.getSpeaker().isEmpty()) {
+        speaker_ = other.speaker_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      if (other.hasVoiceConfig()) {
+        mergeVoiceConfig(other.getVoiceConfig());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                speaker_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                input.readMessage(
+                    internalGetVoiceConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object speaker_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the speaker. This should be the same as the speaker
+     * name used in the prompt.
+     * </pre>
+     *
+     * <code>string speaker = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The speaker.
+     */
+    public java.lang.String getSpeaker() {
+      java.lang.Object ref = speaker_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        speaker_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the speaker. This should be the same as the speaker
+     * name used in the prompt.
+     * </pre>
+     *
+     * <code>string speaker = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return The bytes for speaker.
+     */
+    public com.google.protobuf.ByteString getSpeakerBytes() {
+      java.lang.Object ref = speaker_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        speaker_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the speaker. This should be the same as the speaker
+     * name used in the prompt.
+     * </pre>
+     *
+     * <code>string speaker = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The speaker to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSpeaker(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      speaker_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the speaker. This should be the same as the speaker
+     * name used in the prompt.
+     * </pre>
+     *
+     * <code>string speaker = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearSpeaker() {
+      speaker_ = getDefaultInstance().getSpeaker();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The name of the speaker. This should be the same as the speaker
+     * name used in the prompt.
+     * </pre>
+     *
+     * <code>string speaker = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     *
+     * @param value The bytes for speaker to set.
+     * @return This builder for chaining.
+     */
+    public Builder setSpeakerBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      speaker_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private com.google.cloud.vertexai.api.VoiceConfig voiceConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.VoiceConfig,
+            com.google.cloud.vertexai.api.VoiceConfig.Builder,
+            com.google.cloud.vertexai.api.VoiceConfigOrBuilder>
+        voiceConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The configuration for the voice of this speaker.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return Whether the voiceConfig field is set.
+     */
+    public boolean hasVoiceConfig() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The configuration for the voice of this speaker.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The voiceConfig.
+     */
+    public com.google.cloud.vertexai.api.VoiceConfig getVoiceConfig() {
+      if (voiceConfigBuilder_ == null) {
+        return voiceConfig_ == null
+            ? com.google.cloud.vertexai.api.VoiceConfig.getDefaultInstance()
+            : voiceConfig_;
+      } else {
+        return voiceConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The configuration for the voice of this speaker.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder setVoiceConfig(com.google.cloud.vertexai.api.VoiceConfig value) {
+      if (voiceConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        voiceConfig_ = value;
+      } else {
+        voiceConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The configuration for the voice of this speaker.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder setVoiceConfig(
+        com.google.cloud.vertexai.api.VoiceConfig.Builder builderForValue) {
+      if (voiceConfigBuilder_ == null) {
+        voiceConfig_ = builderForValue.build();
+      } else {
+        voiceConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The configuration for the voice of this speaker.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder mergeVoiceConfig(com.google.cloud.vertexai.api.VoiceConfig value) {
+      if (voiceConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000002) != 0)
+            && voiceConfig_ != null
+            && voiceConfig_ != com.google.cloud.vertexai.api.VoiceConfig.getDefaultInstance()) {
+          getVoiceConfigBuilder().mergeFrom(value);
+        } else {
+          voiceConfig_ = value;
+        }
+      } else {
+        voiceConfigBuilder_.mergeFrom(value);
+      }
+      if (voiceConfig_ != null) {
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The configuration for the voice of this speaker.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder clearVoiceConfig() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      voiceConfig_ = null;
+      if (voiceConfigBuilder_ != null) {
+        voiceConfigBuilder_.dispose();
+        voiceConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The configuration for the voice of this speaker.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.VoiceConfig.Builder getVoiceConfigBuilder() {
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return internalGetVoiceConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The configuration for the voice of this speaker.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.VoiceConfigOrBuilder getVoiceConfigOrBuilder() {
+      if (voiceConfigBuilder_ != null) {
+        return voiceConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return voiceConfig_ == null
+            ? com.google.cloud.vertexai.api.VoiceConfig.getDefaultInstance()
+            : voiceConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Required. The configuration for the voice of this speaker.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.VoiceConfig,
+            com.google.cloud.vertexai.api.VoiceConfig.Builder,
+            com.google.cloud.vertexai.api.VoiceConfigOrBuilder>
+        internalGetVoiceConfigFieldBuilder() {
+      if (voiceConfigBuilder_ == null) {
+        voiceConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.VoiceConfig,
+                com.google.cloud.vertexai.api.VoiceConfig.Builder,
+                com.google.cloud.vertexai.api.VoiceConfigOrBuilder>(
+                getVoiceConfig(), getParentForChildren(), isClean());
+        voiceConfig_ = null;
+      }
+      return voiceConfigBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SpeakerVoiceConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.SpeakerVoiceConfig)
+  private static final com.google.cloud.vertexai.api.SpeakerVoiceConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.SpeakerVoiceConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.SpeakerVoiceConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<SpeakerVoiceConfig> PARSER =
+      new com.google.protobuf.AbstractParser<SpeakerVoiceConfig>() {
+        @java.lang.Override
+        public SpeakerVoiceConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<SpeakerVoiceConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<SpeakerVoiceConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SpeakerVoiceConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeakerVoiceConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeakerVoiceConfigOrBuilder.java
new file mode 100644
index 000000000000..1720d2f72ecb
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeakerVoiceConfigOrBuilder.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface SpeakerVoiceConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.SpeakerVoiceConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the speaker. This should be the same as the speaker
+   * name used in the prompt.
+   * </pre>
+   *
+   * <code>string speaker = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The speaker.
+   */
+  java.lang.String getSpeaker();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The name of the speaker. This should be the same as the speaker
+   * name used in the prompt.
+   * </pre>
+   *
+   * <code>string speaker = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   *
+   * @return The bytes for speaker.
+   */
+  com.google.protobuf.ByteString getSpeakerBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The configuration for the voice of this speaker.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return Whether the voiceConfig field is set.
+   */
+  boolean hasVoiceConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The configuration for the voice of this speaker.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The voiceConfig.
+   */
+  com.google.cloud.vertexai.api.VoiceConfig getVoiceConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The configuration for the voice of this speaker.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.VoiceConfig voice_config = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.VoiceConfigOrBuilder getVoiceConfigOrBuilder();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeculativeDecodingSpec.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeculativeDecodingSpec.java
index 1e56f8b49949..53539fd648b1 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeculativeDecodingSpec.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeculativeDecodingSpec.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.SpeculativeDecodingSpec}
  */
-public final class SpeculativeDecodingSpec extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class SpeculativeDecodingSpec extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SpeculativeDecodingSpec)
     SpeculativeDecodingSpecOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "SpeculativeDecodingSpec");
+  }
+
   // Use SpeculativeDecodingSpec.newBuilder() to construct.
-  private SpeculativeDecodingSpec(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private SpeculativeDecodingSpec(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private SpeculativeDecodingSpec() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new SpeculativeDecodingSpec();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointProto
         .internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointProto
         .internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_fieldAccessorTable
@@ -108,14 +114,24 @@ public interface DraftModelSpeculationOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.SpeculativeDecodingSpec.DraftModelSpeculation}
    */
-  public static final class DraftModelSpeculation extends com.google.protobuf.GeneratedMessageV3
+  public static final class DraftModelSpeculation extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SpeculativeDecodingSpec.DraftModelSpeculation)
       DraftModelSpeculationOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "DraftModelSpeculation");
+    }
+
     // Use DraftModelSpeculation.newBuilder() to construct.
-    private DraftModelSpeculation(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private DraftModelSpeculation(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -123,19 +139,13 @@ private DraftModelSpeculation() {
       draftModel_ = "";
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new DraftModelSpeculation();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.EndpointProto
           .internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_DraftModelSpeculation_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointProto
           .internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_DraftModelSpeculation_fieldAccessorTable
@@ -216,8 +226,8 @@ public final boolean isInitialized() {
 
     @java.lang.Override
     public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(draftModel_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, draftModel_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(draftModel_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, draftModel_);
       }
       getUnknownFields().writeTo(output);
     }
@@ -228,8 +238,8 @@ public int getSerializedSize() {
       if (size != -1) return size;
 
       size = 0;
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(draftModel_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, draftModel_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(draftModel_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, draftModel_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSize = size;
@@ -307,33 +317,33 @@ public int hashCode() {
 
     public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation
         parseFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation
         parseFrom(
             java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
             throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation
         parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation
         parseDelimitedFrom(
             java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
             throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation
         parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation
@@ -341,7 +351,7 @@ public int hashCode() {
             com.google.protobuf.CodedInputStream input,
             com.google.protobuf.ExtensionRegistryLite extensionRegistry)
             throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -365,8 +375,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -381,8 +390,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.SpeculativeDecodingSpec.DraftModelSpeculation}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SpeculativeDecodingSpec.DraftModelSpeculation)
         com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculationOrBuilder {
@@ -392,7 +400,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.EndpointProto
             .internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_DraftModelSpeculation_fieldAccessorTable
@@ -406,7 +414,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -461,41 +469,6 @@ private void buildPartial0(
         }
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other
@@ -691,18 +664,6 @@ public Builder setDraftModelBytes(com.google.protobuf.ByteString value) {
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SpeculativeDecodingSpec.DraftModelSpeculation)
     }
 
@@ -792,32 +753,36 @@ public interface NgramSpeculationOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.SpeculativeDecodingSpec.NgramSpeculation}
    */
-  public static final class NgramSpeculation extends com.google.protobuf.GeneratedMessageV3
+  public static final class NgramSpeculation extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SpeculativeDecodingSpec.NgramSpeculation)
       NgramSpeculationOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "NgramSpeculation");
+    }
+
     // Use NgramSpeculation.newBuilder() to construct.
-    private NgramSpeculation(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private NgramSpeculation(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
     private NgramSpeculation() {}
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new NgramSpeculation();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.EndpointProto
           .internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_NgramSpeculation_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointProto
           .internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_NgramSpeculation_fieldAccessorTable
@@ -950,39 +915,39 @@ public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpecula
 
     public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculation parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculation parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculation
         parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculation
         parseDelimitedFrom(
             java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
             throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculation parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculation parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -1006,8 +971,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -1023,8 +987,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.SpeculativeDecodingSpec.NgramSpeculation}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SpeculativeDecodingSpec.NgramSpeculation)
         com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculationOrBuilder {
@@ -1034,7 +997,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.EndpointProto
             .internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_NgramSpeculation_fieldAccessorTable
@@ -1048,7 +1011,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculation.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -1102,41 +1065,6 @@ private void buildPartial0(
         }
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other
@@ -1273,18 +1201,6 @@ public Builder clearNgramSize() {
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SpeculativeDecodingSpec.NgramSpeculation)
     }
 
@@ -1685,38 +1601,38 @@ public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec parseFrom(
 
   public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.SpeculativeDecodingSpec parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -1740,7 +1656,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -1754,7 +1670,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.SpeculativeDecodingSpec}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SpeculativeDecodingSpec)
       com.google.cloud.vertexai.api.SpeculativeDecodingSpecOrBuilder {
@@ -1764,7 +1680,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointProto
           .internal_static_google_cloud_vertexai_v1_SpeculativeDecodingSpec_fieldAccessorTable
@@ -1776,7 +1692,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.SpeculativeDecodingSpec.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -1846,39 +1762,6 @@ private void buildPartialOneofs(com.google.cloud.vertexai.api.SpeculativeDecodin
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.SpeculativeDecodingSpec) {
@@ -1946,14 +1829,14 @@ public Builder mergeFrom(
             case 18:
               {
                 input.readMessage(
-                    getDraftModelSpeculationFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetDraftModelSpeculationFieldBuilder().getBuilder(), extensionRegistry);
                 speculationCase_ = 2;
                 break;
               } // case 18
             case 26:
               {
                 input.readMessage(
-                    getNgramSpeculationFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetNgramSpeculationFieldBuilder().getBuilder(), extensionRegistry);
                 speculationCase_ = 3;
                 break;
               } // case 26
@@ -1990,7 +1873,7 @@ public Builder clearSpeculation() {
 
     private int bitField0_;
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation,
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation.Builder,
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculationOrBuilder>
@@ -2177,7 +2060,7 @@ public Builder clearDraftModelSpeculation() {
      */
     public com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation.Builder
         getDraftModelSpeculationBuilder() {
-      return getDraftModelSpeculationFieldBuilder().getBuilder();
+      return internalGetDraftModelSpeculationFieldBuilder().getBuilder();
     }
 
     /**
@@ -2217,11 +2100,11 @@ public Builder clearDraftModelSpeculation() {
      * .google.cloud.vertexai.v1.SpeculativeDecodingSpec.DraftModelSpeculation draft_model_speculation = 2;
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation,
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation.Builder,
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculationOrBuilder>
-        getDraftModelSpeculationFieldBuilder() {
+        internalGetDraftModelSpeculationFieldBuilder() {
       if (draftModelSpeculationBuilder_ == null) {
         if (!(speculationCase_ == 2)) {
           speculation_ =
@@ -2229,7 +2112,7 @@ public Builder clearDraftModelSpeculation() {
                   .getDefaultInstance();
         }
         draftModelSpeculationBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation,
                 com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation.Builder,
                 com.google.cloud.vertexai.api.SpeculativeDecodingSpec
@@ -2245,7 +2128,7 @@ public Builder clearDraftModelSpeculation() {
       return draftModelSpeculationBuilder_;
     }
 
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculation,
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculation.Builder,
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculationOrBuilder>
@@ -2431,7 +2314,7 @@ public Builder clearNgramSpeculation() {
      */
     public com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculation.Builder
         getNgramSpeculationBuilder() {
-      return getNgramSpeculationFieldBuilder().getBuilder();
+      return internalGetNgramSpeculationFieldBuilder().getBuilder();
     }
 
     /**
@@ -2471,11 +2354,11 @@ public Builder clearNgramSpeculation() {
      * .google.cloud.vertexai.v1.SpeculativeDecodingSpec.NgramSpeculation ngram_speculation = 3;
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculation,
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculation.Builder,
             com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculationOrBuilder>
-        getNgramSpeculationFieldBuilder() {
+        internalGetNgramSpeculationFieldBuilder() {
       if (ngramSpeculationBuilder_ == null) {
         if (!(speculationCase_ == 3)) {
           speculation_ =
@@ -2483,7 +2366,7 @@ public Builder clearNgramSpeculation() {
                   .getDefaultInstance();
         }
         ngramSpeculationBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculation,
                 com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculation.Builder,
                 com.google.cloud.vertexai.api.SpeculativeDecodingSpec.NgramSpeculationOrBuilder>(
@@ -2554,17 +2437,6 @@ public Builder clearSpeculativeTokenCount() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SpeculativeDecodingSpec)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeculativeDecodingSpecOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeculativeDecodingSpecOrBuilder.java
index 5bbb932f7fbb..94d0ce3690b2 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeculativeDecodingSpecOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeculativeDecodingSpecOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface SpeculativeDecodingSpecOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.SpeculativeDecodingSpec)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeechConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeechConfig.java
new file mode 100644
index 000000000000..10ce1b1af0c8
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeechConfig.java
@@ -0,0 +1,1203 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Configuration for speech generation.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.SpeechConfig}
+ */
+@com.google.protobuf.Generated
+public final class SpeechConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.SpeechConfig)
+    SpeechConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "SpeechConfig");
+  }
+
+  // Use SpeechConfig.newBuilder() to construct.
+  private SpeechConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private SpeechConfig() {
+    languageCode_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_SpeechConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_SpeechConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.SpeechConfig.class,
+            com.google.cloud.vertexai.api.SpeechConfig.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int VOICE_CONFIG_FIELD_NUMBER = 1;
+  private com.google.cloud.vertexai.api.VoiceConfig voiceConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for the voice to use.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+   *
+   * @return Whether the voiceConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasVoiceConfig() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for the voice to use.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+   *
+   * @return The voiceConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.VoiceConfig getVoiceConfig() {
+    return voiceConfig_ == null
+        ? com.google.cloud.vertexai.api.VoiceConfig.getDefaultInstance()
+        : voiceConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for the voice to use.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.VoiceConfigOrBuilder getVoiceConfigOrBuilder() {
+    return voiceConfig_ == null
+        ? com.google.cloud.vertexai.api.VoiceConfig.getDefaultInstance()
+        : voiceConfig_;
+  }
+
+  public static final int LANGUAGE_CODE_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object languageCode_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The language code (ISO 639-1) for the speech synthesis.
+   * </pre>
+   *
+   * <code>string language_code = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The languageCode.
+   */
+  @java.lang.Override
+  public java.lang.String getLanguageCode() {
+    java.lang.Object ref = languageCode_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      languageCode_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The language code (ISO 639-1) for the speech synthesis.
+   * </pre>
+   *
+   * <code>string language_code = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for languageCode.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getLanguageCodeBytes() {
+    java.lang.Object ref = languageCode_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      languageCode_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int MULTI_SPEAKER_VOICE_CONFIG_FIELD_NUMBER = 3;
+  private com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig multiSpeakerVoiceConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for a multi-speaker text-to-speech request.
+   * This field is mutually exclusive with `voice_config`.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;</code>
+   *
+   * @return Whether the multiSpeakerVoiceConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasMultiSpeakerVoiceConfig() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for a multi-speaker text-to-speech request.
+   * This field is mutually exclusive with `voice_config`.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;</code>
+   *
+   * @return The multiSpeakerVoiceConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig getMultiSpeakerVoiceConfig() {
+    return multiSpeakerVoiceConfig_ == null
+        ? com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.getDefaultInstance()
+        : multiSpeakerVoiceConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for a multi-speaker text-to-speech request.
+   * This field is mutually exclusive with `voice_config`.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.MultiSpeakerVoiceConfigOrBuilder
+      getMultiSpeakerVoiceConfigOrBuilder() {
+    return multiSpeakerVoiceConfig_ == null
+        ? com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.getDefaultInstance()
+        : multiSpeakerVoiceConfig_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(1, getVoiceConfig());
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(languageCode_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, languageCode_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(3, getMultiSpeakerVoiceConfig());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getVoiceConfig());
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(languageCode_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, languageCode_);
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(3, getMultiSpeakerVoiceConfig());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.SpeechConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.SpeechConfig other =
+        (com.google.cloud.vertexai.api.SpeechConfig) obj;
+
+    if (hasVoiceConfig() != other.hasVoiceConfig()) return false;
+    if (hasVoiceConfig()) {
+      if (!getVoiceConfig().equals(other.getVoiceConfig())) return false;
+    }
+    if (!getLanguageCode().equals(other.getLanguageCode())) return false;
+    if (hasMultiSpeakerVoiceConfig() != other.hasMultiSpeakerVoiceConfig()) return false;
+    if (hasMultiSpeakerVoiceConfig()) {
+      if (!getMultiSpeakerVoiceConfig().equals(other.getMultiSpeakerVoiceConfig())) return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasVoiceConfig()) {
+      hash = (37 * hash) + VOICE_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getVoiceConfig().hashCode();
+    }
+    hash = (37 * hash) + LANGUAGE_CODE_FIELD_NUMBER;
+    hash = (53 * hash) + getLanguageCode().hashCode();
+    if (hasMultiSpeakerVoiceConfig()) {
+      hash = (37 * hash) + MULTI_SPEAKER_VOICE_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getMultiSpeakerVoiceConfig().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.SpeechConfig parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeechConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeechConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeechConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeechConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeechConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeechConfig parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeechConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeechConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeechConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeechConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.SpeechConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.SpeechConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for speech generation.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.SpeechConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.SpeechConfig)
+      com.google.cloud.vertexai.api.SpeechConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_SpeechConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_SpeechConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.SpeechConfig.class,
+              com.google.cloud.vertexai.api.SpeechConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.SpeechConfig.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetVoiceConfigFieldBuilder();
+        internalGetMultiSpeakerVoiceConfigFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      voiceConfig_ = null;
+      if (voiceConfigBuilder_ != null) {
+        voiceConfigBuilder_.dispose();
+        voiceConfigBuilder_ = null;
+      }
+      languageCode_ = "";
+      multiSpeakerVoiceConfig_ = null;
+      if (multiSpeakerVoiceConfigBuilder_ != null) {
+        multiSpeakerVoiceConfigBuilder_.dispose();
+        multiSpeakerVoiceConfigBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_SpeechConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.SpeechConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.SpeechConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.SpeechConfig build() {
+      com.google.cloud.vertexai.api.SpeechConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.SpeechConfig buildPartial() {
+      com.google.cloud.vertexai.api.SpeechConfig result =
+          new com.google.cloud.vertexai.api.SpeechConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.SpeechConfig result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.voiceConfig_ =
+            voiceConfigBuilder_ == null ? voiceConfig_ : voiceConfigBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.languageCode_ = languageCode_;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.multiSpeakerVoiceConfig_ =
+            multiSpeakerVoiceConfigBuilder_ == null
+                ? multiSpeakerVoiceConfig_
+                : multiSpeakerVoiceConfigBuilder_.build();
+        to_bitField0_ |= 0x00000002;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.SpeechConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.SpeechConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.SpeechConfig other) {
+      if (other == com.google.cloud.vertexai.api.SpeechConfig.getDefaultInstance()) return this;
+      if (other.hasVoiceConfig()) {
+        mergeVoiceConfig(other.getVoiceConfig());
+      }
+      if (!other.getLanguageCode().isEmpty()) {
+        languageCode_ = other.languageCode_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      if (other.hasMultiSpeakerVoiceConfig()) {
+        mergeMultiSpeakerVoiceConfig(other.getMultiSpeakerVoiceConfig());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(
+                    internalGetVoiceConfigFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 18:
+              {
+                languageCode_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            case 26:
+              {
+                input.readMessage(
+                    internalGetMultiSpeakerVoiceConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.cloud.vertexai.api.VoiceConfig voiceConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.VoiceConfig,
+            com.google.cloud.vertexai.api.VoiceConfig.Builder,
+            com.google.cloud.vertexai.api.VoiceConfigOrBuilder>
+        voiceConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for the voice to use.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+     *
+     * @return Whether the voiceConfig field is set.
+     */
+    public boolean hasVoiceConfig() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for the voice to use.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+     *
+     * @return The voiceConfig.
+     */
+    public com.google.cloud.vertexai.api.VoiceConfig getVoiceConfig() {
+      if (voiceConfigBuilder_ == null) {
+        return voiceConfig_ == null
+            ? com.google.cloud.vertexai.api.VoiceConfig.getDefaultInstance()
+            : voiceConfig_;
+      } else {
+        return voiceConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for the voice to use.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+     */
+    public Builder setVoiceConfig(com.google.cloud.vertexai.api.VoiceConfig value) {
+      if (voiceConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        voiceConfig_ = value;
+      } else {
+        voiceConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for the voice to use.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+     */
+    public Builder setVoiceConfig(
+        com.google.cloud.vertexai.api.VoiceConfig.Builder builderForValue) {
+      if (voiceConfigBuilder_ == null) {
+        voiceConfig_ = builderForValue.build();
+      } else {
+        voiceConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for the voice to use.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+     */
+    public Builder mergeVoiceConfig(com.google.cloud.vertexai.api.VoiceConfig value) {
+      if (voiceConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)
+            && voiceConfig_ != null
+            && voiceConfig_ != com.google.cloud.vertexai.api.VoiceConfig.getDefaultInstance()) {
+          getVoiceConfigBuilder().mergeFrom(value);
+        } else {
+          voiceConfig_ = value;
+        }
+      } else {
+        voiceConfigBuilder_.mergeFrom(value);
+      }
+      if (voiceConfig_ != null) {
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for the voice to use.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+     */
+    public Builder clearVoiceConfig() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      voiceConfig_ = null;
+      if (voiceConfigBuilder_ != null) {
+        voiceConfigBuilder_.dispose();
+        voiceConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for the voice to use.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+     */
+    public com.google.cloud.vertexai.api.VoiceConfig.Builder getVoiceConfigBuilder() {
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return internalGetVoiceConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for the voice to use.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+     */
+    public com.google.cloud.vertexai.api.VoiceConfigOrBuilder getVoiceConfigOrBuilder() {
+      if (voiceConfigBuilder_ != null) {
+        return voiceConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return voiceConfig_ == null
+            ? com.google.cloud.vertexai.api.VoiceConfig.getDefaultInstance()
+            : voiceConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for the voice to use.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.VoiceConfig,
+            com.google.cloud.vertexai.api.VoiceConfig.Builder,
+            com.google.cloud.vertexai.api.VoiceConfigOrBuilder>
+        internalGetVoiceConfigFieldBuilder() {
+      if (voiceConfigBuilder_ == null) {
+        voiceConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.VoiceConfig,
+                com.google.cloud.vertexai.api.VoiceConfig.Builder,
+                com.google.cloud.vertexai.api.VoiceConfigOrBuilder>(
+                getVoiceConfig(), getParentForChildren(), isClean());
+        voiceConfig_ = null;
+      }
+      return voiceConfigBuilder_;
+    }
+
+    private java.lang.Object languageCode_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The language code (ISO 639-1) for the speech synthesis.
+     * </pre>
+     *
+     * <code>string language_code = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The languageCode.
+     */
+    public java.lang.String getLanguageCode() {
+      java.lang.Object ref = languageCode_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        languageCode_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The language code (ISO 639-1) for the speech synthesis.
+     * </pre>
+     *
+     * <code>string language_code = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for languageCode.
+     */
+    public com.google.protobuf.ByteString getLanguageCodeBytes() {
+      java.lang.Object ref = languageCode_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        languageCode_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The language code (ISO 639-1) for the speech synthesis.
+     * </pre>
+     *
+     * <code>string language_code = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The languageCode to set.
+     * @return This builder for chaining.
+     */
+    public Builder setLanguageCode(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      languageCode_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The language code (ISO 639-1) for the speech synthesis.
+     * </pre>
+     *
+     * <code>string language_code = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearLanguageCode() {
+      languageCode_ = getDefaultInstance().getLanguageCode();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The language code (ISO 639-1) for the speech synthesis.
+     * </pre>
+     *
+     * <code>string language_code = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for languageCode to set.
+     * @return This builder for chaining.
+     */
+    public Builder setLanguageCodeBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      languageCode_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    private com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig multiSpeakerVoiceConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig,
+            com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.Builder,
+            com.google.cloud.vertexai.api.MultiSpeakerVoiceConfigOrBuilder>
+        multiSpeakerVoiceConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a multi-speaker text-to-speech request.
+     * This field is mutually exclusive with `voice_config`.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;
+     * </code>
+     *
+     * @return Whether the multiSpeakerVoiceConfig field is set.
+     */
+    public boolean hasMultiSpeakerVoiceConfig() {
+      return ((bitField0_ & 0x00000004) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a multi-speaker text-to-speech request.
+     * This field is mutually exclusive with `voice_config`.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;
+     * </code>
+     *
+     * @return The multiSpeakerVoiceConfig.
+     */
+    public com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig getMultiSpeakerVoiceConfig() {
+      if (multiSpeakerVoiceConfigBuilder_ == null) {
+        return multiSpeakerVoiceConfig_ == null
+            ? com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.getDefaultInstance()
+            : multiSpeakerVoiceConfig_;
+      } else {
+        return multiSpeakerVoiceConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a multi-speaker text-to-speech request.
+     * This field is mutually exclusive with `voice_config`.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;
+     * </code>
+     */
+    public Builder setMultiSpeakerVoiceConfig(
+        com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig value) {
+      if (multiSpeakerVoiceConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        multiSpeakerVoiceConfig_ = value;
+      } else {
+        multiSpeakerVoiceConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a multi-speaker text-to-speech request.
+     * This field is mutually exclusive with `voice_config`.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;
+     * </code>
+     */
+    public Builder setMultiSpeakerVoiceConfig(
+        com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.Builder builderForValue) {
+      if (multiSpeakerVoiceConfigBuilder_ == null) {
+        multiSpeakerVoiceConfig_ = builderForValue.build();
+      } else {
+        multiSpeakerVoiceConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a multi-speaker text-to-speech request.
+     * This field is mutually exclusive with `voice_config`.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;
+     * </code>
+     */
+    public Builder mergeMultiSpeakerVoiceConfig(
+        com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig value) {
+      if (multiSpeakerVoiceConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)
+            && multiSpeakerVoiceConfig_ != null
+            && multiSpeakerVoiceConfig_
+                != com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.getDefaultInstance()) {
+          getMultiSpeakerVoiceConfigBuilder().mergeFrom(value);
+        } else {
+          multiSpeakerVoiceConfig_ = value;
+        }
+      } else {
+        multiSpeakerVoiceConfigBuilder_.mergeFrom(value);
+      }
+      if (multiSpeakerVoiceConfig_ != null) {
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a multi-speaker text-to-speech request.
+     * This field is mutually exclusive with `voice_config`.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;
+     * </code>
+     */
+    public Builder clearMultiSpeakerVoiceConfig() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      multiSpeakerVoiceConfig_ = null;
+      if (multiSpeakerVoiceConfigBuilder_ != null) {
+        multiSpeakerVoiceConfigBuilder_.dispose();
+        multiSpeakerVoiceConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a multi-speaker text-to-speech request.
+     * This field is mutually exclusive with `voice_config`.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.Builder
+        getMultiSpeakerVoiceConfigBuilder() {
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return internalGetMultiSpeakerVoiceConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a multi-speaker text-to-speech request.
+     * This field is mutually exclusive with `voice_config`.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.MultiSpeakerVoiceConfigOrBuilder
+        getMultiSpeakerVoiceConfigOrBuilder() {
+      if (multiSpeakerVoiceConfigBuilder_ != null) {
+        return multiSpeakerVoiceConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return multiSpeakerVoiceConfig_ == null
+            ? com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.getDefaultInstance()
+            : multiSpeakerVoiceConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a multi-speaker text-to-speech request.
+     * This field is mutually exclusive with `voice_config`.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig,
+            com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.Builder,
+            com.google.cloud.vertexai.api.MultiSpeakerVoiceConfigOrBuilder>
+        internalGetMultiSpeakerVoiceConfigFieldBuilder() {
+      if (multiSpeakerVoiceConfigBuilder_ == null) {
+        multiSpeakerVoiceConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig,
+                com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig.Builder,
+                com.google.cloud.vertexai.api.MultiSpeakerVoiceConfigOrBuilder>(
+                getMultiSpeakerVoiceConfig(), getParentForChildren(), isClean());
+        multiSpeakerVoiceConfig_ = null;
+      }
+      return multiSpeakerVoiceConfigBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.SpeechConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.SpeechConfig)
+  private static final com.google.cloud.vertexai.api.SpeechConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.SpeechConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.SpeechConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<SpeechConfig> PARSER =
+      new com.google.protobuf.AbstractParser<SpeechConfig>() {
+        @java.lang.Override
+        public SpeechConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<SpeechConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<SpeechConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.SpeechConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeechConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeechConfigOrBuilder.java
new file mode 100644
index 000000000000..15939dd6d524
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeechConfigOrBuilder.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface SpeechConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.SpeechConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for the voice to use.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+   *
+   * @return Whether the voiceConfig field is set.
+   */
+  boolean hasVoiceConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for the voice to use.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+   *
+   * @return The voiceConfig.
+   */
+  com.google.cloud.vertexai.api.VoiceConfig getVoiceConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for the voice to use.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.VoiceConfig voice_config = 1;</code>
+   */
+  com.google.cloud.vertexai.api.VoiceConfigOrBuilder getVoiceConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The language code (ISO 639-1) for the speech synthesis.
+   * </pre>
+   *
+   * <code>string language_code = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The languageCode.
+   */
+  java.lang.String getLanguageCode();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The language code (ISO 639-1) for the speech synthesis.
+   * </pre>
+   *
+   * <code>string language_code = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for languageCode.
+   */
+  com.google.protobuf.ByteString getLanguageCodeBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for a multi-speaker text-to-speech request.
+   * This field is mutually exclusive with `voice_config`.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;</code>
+   *
+   * @return Whether the multiSpeakerVoiceConfig field is set.
+   */
+  boolean hasMultiSpeakerVoiceConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for a multi-speaker text-to-speech request.
+   * This field is mutually exclusive with `voice_config`.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;</code>
+   *
+   * @return The multiSpeakerVoiceConfig.
+   */
+  com.google.cloud.vertexai.api.MultiSpeakerVoiceConfig getMultiSpeakerVoiceConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for a multi-speaker text-to-speech request.
+   * This field is mutually exclusive with `voice_config`.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;</code>
+   */
+  com.google.cloud.vertexai.api.MultiSpeakerVoiceConfigOrBuilder
+      getMultiSpeakerVoiceConfigOrBuilder();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictRequest.java
index dbb06820c2aa..655171b0b016 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -34,14 +35,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.StreamDirectPredictRequest}
  */
-public final class StreamDirectPredictRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class StreamDirectPredictRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.StreamDirectPredictRequest)
     StreamDirectPredictRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "StreamDirectPredictRequest");
+  }
+
   // Use StreamDirectPredictRequest.newBuilder() to construct.
-  private StreamDirectPredictRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private StreamDirectPredictRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -50,19 +62,13 @@ private StreamDirectPredictRequest() {
     inputs_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new StreamDirectPredictRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamDirectPredictRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamDirectPredictRequest_fieldAccessorTable
@@ -292,8 +298,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
     for (int i = 0; i < inputs_.size(); i++) {
       output.writeMessage(2, inputs_.get(i));
@@ -310,8 +316,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
     for (int i = 0; i < inputs_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, inputs_.get(i));
@@ -404,38 +410,38 @@ public static com.google.cloud.vertexai.api.StreamDirectPredictRequest parseFrom
 
   public static com.google.cloud.vertexai.api.StreamDirectPredictRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectPredictRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectPredictRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectPredictRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -459,7 +465,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -479,7 +485,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.StreamDirectPredictRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.StreamDirectPredictRequest)
       com.google.cloud.vertexai.api.StreamDirectPredictRequestOrBuilder {
@@ -489,7 +495,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_StreamDirectPredictRequest_fieldAccessorTable
@@ -503,15 +509,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getInputsFieldBuilder();
-        getParametersFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetInputsFieldBuilder();
+        internalGetParametersFieldBuilder();
       }
     }
 
@@ -593,39 +599,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.StreamDirectPredictRequ
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.StreamDirectPredictRequest) {
@@ -663,8 +636,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.StreamDirectPredictReques
             inputs_ = other.inputs_;
             bitField0_ = (bitField0_ & ~0x00000002);
             inputsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getInputsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetInputsFieldBuilder()
                     : null;
           } else {
             inputsBuilder_.addAllMessages(other.inputs_);
@@ -721,7 +694,8 @@ public Builder mergeFrom(
               } // case 18
             case 26:
               {
-                input.readMessage(getParametersFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetParametersFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 26
@@ -885,7 +859,7 @@ private void ensureInputsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
@@ -1170,7 +1144,7 @@ public Builder removeInputs(int index) {
      * </code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder getInputsBuilder(int index) {
-      return getInputsFieldBuilder().getBuilder(index);
+      return internalGetInputsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1224,7 +1198,7 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getInputsOrBuilder(int inde
      * </code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder addInputsBuilder() {
-      return getInputsFieldBuilder()
+      return internalGetInputsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Tensor.getDefaultInstance());
     }
 
@@ -1240,7 +1214,7 @@ public com.google.cloud.vertexai.api.Tensor.Builder addInputsBuilder() {
      * </code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder addInputsBuilder(int index) {
-      return getInputsFieldBuilder()
+      return internalGetInputsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Tensor.getDefaultInstance());
     }
 
@@ -1256,17 +1230,17 @@ public com.google.cloud.vertexai.api.Tensor.Builder addInputsBuilder(int index)
      * </code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Tensor.Builder> getInputsBuilderList() {
-      return getInputsFieldBuilder().getBuilderList();
+      return internalGetInputsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
-        getInputsFieldBuilder() {
+        internalGetInputsFieldBuilder() {
       if (inputsBuilder_ == null) {
         inputsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Tensor,
                 com.google.cloud.vertexai.api.Tensor.Builder,
                 com.google.cloud.vertexai.api.TensorOrBuilder>(
@@ -1277,7 +1251,7 @@ public java.util.List<com.google.cloud.vertexai.api.Tensor.Builder> getInputsBui
     }
 
     private com.google.cloud.vertexai.api.Tensor parameters_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
@@ -1436,7 +1410,7 @@ public Builder clearParameters() {
     public com.google.cloud.vertexai.api.Tensor.Builder getParametersBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getParametersFieldBuilder().getBuilder();
+      return internalGetParametersFieldBuilder().getBuilder();
     }
 
     /**
@@ -1471,14 +1445,14 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getParametersOrBuilder() {
      * .google.cloud.vertexai.v1.Tensor parameters = 3 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
-        getParametersFieldBuilder() {
+        internalGetParametersFieldBuilder() {
       if (parametersBuilder_ == null) {
         parametersBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Tensor,
                 com.google.cloud.vertexai.api.Tensor.Builder,
                 com.google.cloud.vertexai.api.TensorOrBuilder>(
@@ -1488,17 +1462,6 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getParametersOrBuilder() {
       return parametersBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.StreamDirectPredictRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictRequestOrBuilder.java
index dbeaaea20b6b..6a577451757c 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface StreamDirectPredictRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.StreamDirectPredictRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictResponse.java
index 6a0039310020..dfd56d70eae1 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.StreamDirectPredictResponse}
  */
-public final class StreamDirectPredictResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class StreamDirectPredictResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.StreamDirectPredictResponse)
     StreamDirectPredictResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "StreamDirectPredictResponse");
+  }
+
   // Use StreamDirectPredictResponse.newBuilder() to construct.
-  private StreamDirectPredictResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private StreamDirectPredictResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private StreamDirectPredictResponse() {
     outputs_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new StreamDirectPredictResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamDirectPredictResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamDirectPredictResponse_fieldAccessorTable
@@ -312,38 +318,38 @@ public static com.google.cloud.vertexai.api.StreamDirectPredictResponse parseFro
 
   public static com.google.cloud.vertexai.api.StreamDirectPredictResponse parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectPredictResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectPredictResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectPredictResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectPredictResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectPredictResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -367,7 +373,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -382,7 +388,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.StreamDirectPredictResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.StreamDirectPredictResponse)
       com.google.cloud.vertexai.api.StreamDirectPredictResponseOrBuilder {
@@ -392,7 +398,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_StreamDirectPredictResponse_fieldAccessorTable
@@ -406,15 +412,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getOutputsFieldBuilder();
-        getParametersFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetOutputsFieldBuilder();
+        internalGetParametersFieldBuilder();
       }
     }
 
@@ -492,39 +498,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.StreamDirectPredictResp
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.StreamDirectPredictResponse) {
@@ -557,8 +530,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.StreamDirectPredictRespon
             outputs_ = other.outputs_;
             bitField0_ = (bitField0_ & ~0x00000001);
             outputsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getOutputsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetOutputsFieldBuilder()
                     : null;
           } else {
             outputsBuilder_.addAllMessages(other.outputs_);
@@ -609,7 +582,8 @@ public Builder mergeFrom(
               } // case 10
             case 18:
               {
-                input.readMessage(getParametersFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetParametersFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
@@ -642,7 +616,7 @@ private void ensureOutputsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
@@ -901,7 +875,7 @@ public Builder removeOutputs(int index) {
      * <code>repeated .google.cloud.vertexai.v1.Tensor outputs = 1;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder getOutputsBuilder(int index) {
-      return getOutputsFieldBuilder().getBuilder(index);
+      return internalGetOutputsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -949,7 +923,7 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getOutputsOrBuilder(int ind
      * <code>repeated .google.cloud.vertexai.v1.Tensor outputs = 1;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder addOutputsBuilder() {
-      return getOutputsFieldBuilder()
+      return internalGetOutputsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Tensor.getDefaultInstance());
     }
 
@@ -963,7 +937,7 @@ public com.google.cloud.vertexai.api.Tensor.Builder addOutputsBuilder() {
      * <code>repeated .google.cloud.vertexai.v1.Tensor outputs = 1;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder addOutputsBuilder(int index) {
-      return getOutputsFieldBuilder()
+      return internalGetOutputsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Tensor.getDefaultInstance());
     }
 
@@ -977,17 +951,17 @@ public com.google.cloud.vertexai.api.Tensor.Builder addOutputsBuilder(int index)
      * <code>repeated .google.cloud.vertexai.v1.Tensor outputs = 1;</code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Tensor.Builder> getOutputsBuilderList() {
-      return getOutputsFieldBuilder().getBuilderList();
+      return internalGetOutputsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
-        getOutputsFieldBuilder() {
+        internalGetOutputsFieldBuilder() {
       if (outputsBuilder_ == null) {
         outputsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Tensor,
                 com.google.cloud.vertexai.api.Tensor.Builder,
                 com.google.cloud.vertexai.api.TensorOrBuilder>(
@@ -998,7 +972,7 @@ public java.util.List<com.google.cloud.vertexai.api.Tensor.Builder> getOutputsBu
     }
 
     private com.google.cloud.vertexai.api.Tensor parameters_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
@@ -1143,7 +1117,7 @@ public Builder clearParameters() {
     public com.google.cloud.vertexai.api.Tensor.Builder getParametersBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getParametersFieldBuilder().getBuilder();
+      return internalGetParametersFieldBuilder().getBuilder();
     }
 
     /**
@@ -1174,14 +1148,14 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getParametersOrBuilder() {
      *
      * <code>.google.cloud.vertexai.v1.Tensor parameters = 2;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
-        getParametersFieldBuilder() {
+        internalGetParametersFieldBuilder() {
       if (parametersBuilder_ == null) {
         parametersBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Tensor,
                 com.google.cloud.vertexai.api.Tensor.Builder,
                 com.google.cloud.vertexai.api.TensorOrBuilder>(
@@ -1191,17 +1165,6 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getParametersOrBuilder() {
       return parametersBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.StreamDirectPredictResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictResponseOrBuilder.java
index 27772b507907..f242f2cd63cb 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface StreamDirectPredictResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.StreamDirectPredictResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictRequest.java
index 418b755e94c5..40db8041ddab 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -40,14 +41,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.StreamDirectRawPredictRequest}
  */
-public final class StreamDirectRawPredictRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class StreamDirectRawPredictRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.StreamDirectRawPredictRequest)
     StreamDirectRawPredictRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "StreamDirectRawPredictRequest");
+  }
+
   // Use StreamDirectRawPredictRequest.newBuilder() to construct.
-  private StreamDirectRawPredictRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private StreamDirectRawPredictRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -57,19 +69,13 @@ private StreamDirectRawPredictRequest() {
     input_ = com.google.protobuf.ByteString.EMPTY;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new StreamDirectRawPredictRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamDirectRawPredictRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamDirectRawPredictRequest_fieldAccessorTable
@@ -237,11 +243,11 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(methodName_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, methodName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(methodName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, methodName_);
     }
     if (!input_.isEmpty()) {
       output.writeBytes(3, input_);
@@ -255,11 +261,11 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(methodName_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, methodName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(methodName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, methodName_);
     }
     if (!input_.isEmpty()) {
       size += com.google.protobuf.CodedOutputStream.computeBytesSize(3, input_);
@@ -342,38 +348,38 @@ public static com.google.cloud.vertexai.api.StreamDirectRawPredictRequest parseF
 
   public static com.google.cloud.vertexai.api.StreamDirectRawPredictRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectRawPredictRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectRawPredictRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectRawPredictRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectRawPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectRawPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -397,7 +403,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -423,7 +429,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.StreamDirectRawPredictRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.StreamDirectRawPredictRequest)
       com.google.cloud.vertexai.api.StreamDirectRawPredictRequestOrBuilder {
@@ -433,7 +439,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_StreamDirectRawPredictRequest_fieldAccessorTable
@@ -445,7 +451,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.StreamDirectRawPredictRequest.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -503,39 +509,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.StreamDirectRawPredictR
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.StreamDirectRawPredictRequest) {
@@ -559,7 +532,7 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.StreamDirectRawPredictReq
         bitField0_ |= 0x00000002;
         onChanged();
       }
-      if (other.getInput() != com.google.protobuf.ByteString.EMPTY) {
+      if (!other.getInput().isEmpty()) {
         setInput(other.getInput());
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -955,17 +928,6 @@ public Builder clearInput() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.StreamDirectRawPredictRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictRequestOrBuilder.java
index 6f23e4c778fe..2caaacd3b812 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface StreamDirectRawPredictRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.StreamDirectRawPredictRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictResponse.java
index 3e919f14d3fd..200a2c53ec59 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,15 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.StreamDirectRawPredictResponse}
  */
-public final class StreamDirectRawPredictResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class StreamDirectRawPredictResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.StreamDirectRawPredictResponse)
     StreamDirectRawPredictResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "StreamDirectRawPredictResponse");
+  }
+
   // Use StreamDirectRawPredictResponse.newBuilder() to construct.
-  private StreamDirectRawPredictResponse(
-      com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private StreamDirectRawPredictResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +56,13 @@ private StreamDirectRawPredictResponse() {
     output_ = com.google.protobuf.ByteString.EMPTY;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new StreamDirectRawPredictResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamDirectRawPredictResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamDirectRawPredictResponse_fieldAccessorTable
@@ -186,38 +191,38 @@ public static com.google.cloud.vertexai.api.StreamDirectRawPredictResponse parse
 
   public static com.google.cloud.vertexai.api.StreamDirectRawPredictResponse parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectRawPredictResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectRawPredictResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectRawPredictResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectRawPredictResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamDirectRawPredictResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -241,7 +246,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -256,7 +261,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.StreamDirectRawPredictResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.StreamDirectRawPredictResponse)
       com.google.cloud.vertexai.api.StreamDirectRawPredictResponseOrBuilder {
@@ -266,7 +271,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_StreamDirectRawPredictResponse_fieldAccessorTable
@@ -278,7 +283,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.StreamDirectRawPredictResponse.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -330,39 +335,6 @@ private void buildPartial0(
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.StreamDirectRawPredictResponse) {
@@ -377,7 +349,7 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.StreamDirectRawPredictRes
       if (other
           == com.google.cloud.vertexai.api.StreamDirectRawPredictResponse.getDefaultInstance())
         return this;
-      if (other.getOutput() != com.google.protobuf.ByteString.EMPTY) {
+      if (!other.getOutput().isEmpty()) {
         setOutput(other.getOutput());
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -489,17 +461,6 @@ public Builder clearOutput() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.StreamDirectRawPredictResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictResponseOrBuilder.java
index 0acda152a0db..66892020597d 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectRawPredictResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface StreamDirectRawPredictResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.StreamDirectRawPredictResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamRawPredictRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamRawPredictRequest.java
index 1c30a271f638..1a92793967d3 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamRawPredictRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamRawPredictRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.StreamRawPredictRequest}
  */
-public final class StreamRawPredictRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class StreamRawPredictRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.StreamRawPredictRequest)
     StreamRawPredictRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "StreamRawPredictRequest");
+  }
+
   // Use StreamRawPredictRequest.newBuilder() to construct.
-  private StreamRawPredictRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private StreamRawPredictRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private StreamRawPredictRequest() {
     endpoint_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new StreamRawPredictRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamRawPredictRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamRawPredictRequest_fieldAccessorTable
@@ -190,8 +196,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(2, getHttpBody());
@@ -205,8 +211,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getHttpBody());
@@ -291,38 +297,38 @@ public static com.google.cloud.vertexai.api.StreamRawPredictRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.StreamRawPredictRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamRawPredictRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamRawPredictRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamRawPredictRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamRawPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamRawPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -346,7 +352,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -361,7 +367,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.StreamRawPredictRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.StreamRawPredictRequest)
       com.google.cloud.vertexai.api.StreamRawPredictRequestOrBuilder {
@@ -371,7 +377,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_StreamRawPredictRequest_fieldAccessorTable
@@ -385,14 +391,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getHttpBodyFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetHttpBodyFieldBuilder();
       }
     }
 
@@ -453,39 +459,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.StreamRawPredictRequest
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.StreamRawPredictRequest) {
@@ -541,7 +514,8 @@ public Builder mergeFrom(
               } // case 10
             case 18:
               {
-                input.readMessage(getHttpBodyFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetHttpBodyFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
@@ -696,7 +670,7 @@ public Builder setEndpointBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.api.HttpBody httpBody_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.api.HttpBody,
             com.google.api.HttpBody.Builder,
             com.google.api.HttpBodyOrBuilder>
@@ -839,7 +813,7 @@ public Builder clearHttpBody() {
     public com.google.api.HttpBody.Builder getHttpBodyBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getHttpBodyFieldBuilder().getBuilder();
+      return internalGetHttpBodyFieldBuilder().getBuilder();
     }
 
     /**
@@ -868,14 +842,14 @@ public com.google.api.HttpBodyOrBuilder getHttpBodyOrBuilder() {
      *
      * <code>.google.api.HttpBody http_body = 2;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.api.HttpBody,
             com.google.api.HttpBody.Builder,
             com.google.api.HttpBodyOrBuilder>
-        getHttpBodyFieldBuilder() {
+        internalGetHttpBodyFieldBuilder() {
       if (httpBodyBuilder_ == null) {
         httpBodyBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.api.HttpBody,
                 com.google.api.HttpBody.Builder,
                 com.google.api.HttpBodyOrBuilder>(getHttpBody(), getParentForChildren(), isClean());
@@ -884,17 +858,6 @@ public com.google.api.HttpBodyOrBuilder getHttpBodyOrBuilder() {
       return httpBodyBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.StreamRawPredictRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamRawPredictRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamRawPredictRequestOrBuilder.java
index 35a57434bf8c..ae0a6d0c14e9 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamRawPredictRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamRawPredictRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface StreamRawPredictRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.StreamRawPredictRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictRequest.java
index 96bcc89cfbea..1c9132978e54 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -33,14 +34,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.StreamingPredictRequest}
  */
-public final class StreamingPredictRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class StreamingPredictRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.StreamingPredictRequest)
     StreamingPredictRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "StreamingPredictRequest");
+  }
+
   // Use StreamingPredictRequest.newBuilder() to construct.
-  private StreamingPredictRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private StreamingPredictRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -49,19 +61,13 @@ private StreamingPredictRequest() {
     inputs_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new StreamingPredictRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamingPredictRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamingPredictRequest_fieldAccessorTable
@@ -275,8 +281,8 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
     for (int i = 0; i < inputs_.size(); i++) {
       output.writeMessage(2, inputs_.get(i));
@@ -293,8 +299,8 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
     for (int i = 0; i < inputs_.size(); i++) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, inputs_.get(i));
@@ -387,38 +393,38 @@ public static com.google.cloud.vertexai.api.StreamingPredictRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.StreamingPredictRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamingPredictRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamingPredictRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamingPredictRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamingPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamingPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -442,7 +448,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -461,7 +467,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.StreamingPredictRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.StreamingPredictRequest)
       com.google.cloud.vertexai.api.StreamingPredictRequestOrBuilder {
@@ -471,7 +477,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_StreamingPredictRequest_fieldAccessorTable
@@ -485,15 +491,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getInputsFieldBuilder();
-        getParametersFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetInputsFieldBuilder();
+        internalGetParametersFieldBuilder();
       }
     }
 
@@ -575,39 +581,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.StreamingPredictRequest
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.StreamingPredictRequest) {
@@ -645,8 +618,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.StreamingPredictRequest o
             inputs_ = other.inputs_;
             bitField0_ = (bitField0_ & ~0x00000002);
             inputsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getInputsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetInputsFieldBuilder()
                     : null;
           } else {
             inputsBuilder_.addAllMessages(other.inputs_);
@@ -703,7 +676,8 @@ public Builder mergeFrom(
               } // case 18
             case 26:
               {
-                input.readMessage(getParametersFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetParametersFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 26
@@ -867,7 +841,7 @@ private void ensureInputsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
@@ -1126,7 +1100,7 @@ public Builder removeInputs(int index) {
      * <code>repeated .google.cloud.vertexai.v1.Tensor inputs = 2;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder getInputsBuilder(int index) {
-      return getInputsFieldBuilder().getBuilder(index);
+      return internalGetInputsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -1174,7 +1148,7 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getInputsOrBuilder(int inde
      * <code>repeated .google.cloud.vertexai.v1.Tensor inputs = 2;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder addInputsBuilder() {
-      return getInputsFieldBuilder()
+      return internalGetInputsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Tensor.getDefaultInstance());
     }
 
@@ -1188,7 +1162,7 @@ public com.google.cloud.vertexai.api.Tensor.Builder addInputsBuilder() {
      * <code>repeated .google.cloud.vertexai.v1.Tensor inputs = 2;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder addInputsBuilder(int index) {
-      return getInputsFieldBuilder()
+      return internalGetInputsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Tensor.getDefaultInstance());
     }
 
@@ -1202,17 +1176,17 @@ public com.google.cloud.vertexai.api.Tensor.Builder addInputsBuilder(int index)
      * <code>repeated .google.cloud.vertexai.v1.Tensor inputs = 2;</code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Tensor.Builder> getInputsBuilderList() {
-      return getInputsFieldBuilder().getBuilderList();
+      return internalGetInputsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
-        getInputsFieldBuilder() {
+        internalGetInputsFieldBuilder() {
       if (inputsBuilder_ == null) {
         inputsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Tensor,
                 com.google.cloud.vertexai.api.Tensor.Builder,
                 com.google.cloud.vertexai.api.TensorOrBuilder>(
@@ -1223,7 +1197,7 @@ public java.util.List<com.google.cloud.vertexai.api.Tensor.Builder> getInputsBui
     }
 
     private com.google.cloud.vertexai.api.Tensor parameters_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
@@ -1368,7 +1342,7 @@ public Builder clearParameters() {
     public com.google.cloud.vertexai.api.Tensor.Builder getParametersBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getParametersFieldBuilder().getBuilder();
+      return internalGetParametersFieldBuilder().getBuilder();
     }
 
     /**
@@ -1399,14 +1373,14 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getParametersOrBuilder() {
      *
      * <code>.google.cloud.vertexai.v1.Tensor parameters = 3;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
-        getParametersFieldBuilder() {
+        internalGetParametersFieldBuilder() {
       if (parametersBuilder_ == null) {
         parametersBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Tensor,
                 com.google.cloud.vertexai.api.Tensor.Builder,
                 com.google.cloud.vertexai.api.TensorOrBuilder>(
@@ -1416,17 +1390,6 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getParametersOrBuilder() {
       return parametersBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.StreamingPredictRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictRequestOrBuilder.java
index 41533cb8bcd7..18401808a231 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface StreamingPredictRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.StreamingPredictRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictResponse.java
index 35ac2918aaaa..26034c704a9c 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.StreamingPredictResponse}
  */
-public final class StreamingPredictResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class StreamingPredictResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.StreamingPredictResponse)
     StreamingPredictResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "StreamingPredictResponse");
+  }
+
   // Use StreamingPredictResponse.newBuilder() to construct.
-  private StreamingPredictResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private StreamingPredictResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private StreamingPredictResponse() {
     outputs_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new StreamingPredictResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamingPredictResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamingPredictResponse_fieldAccessorTable
@@ -312,38 +318,38 @@ public static com.google.cloud.vertexai.api.StreamingPredictResponse parseFrom(
 
   public static com.google.cloud.vertexai.api.StreamingPredictResponse parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamingPredictResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamingPredictResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamingPredictResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamingPredictResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamingPredictResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -367,7 +373,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -382,7 +388,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.StreamingPredictResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.StreamingPredictResponse)
       com.google.cloud.vertexai.api.StreamingPredictResponseOrBuilder {
@@ -392,7 +398,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_StreamingPredictResponse_fieldAccessorTable
@@ -406,15 +412,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getOutputsFieldBuilder();
-        getParametersFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetOutputsFieldBuilder();
+        internalGetParametersFieldBuilder();
       }
     }
 
@@ -492,39 +498,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.StreamingPredictRespons
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.StreamingPredictResponse) {
@@ -557,8 +530,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.StreamingPredictResponse
             outputs_ = other.outputs_;
             bitField0_ = (bitField0_ & ~0x00000001);
             outputsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getOutputsFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetOutputsFieldBuilder()
                     : null;
           } else {
             outputsBuilder_.addAllMessages(other.outputs_);
@@ -609,7 +582,8 @@ public Builder mergeFrom(
               } // case 10
             case 18:
               {
-                input.readMessage(getParametersFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetParametersFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
@@ -642,7 +616,7 @@ private void ensureOutputsIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
@@ -901,7 +875,7 @@ public Builder removeOutputs(int index) {
      * <code>repeated .google.cloud.vertexai.v1.Tensor outputs = 1;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder getOutputsBuilder(int index) {
-      return getOutputsFieldBuilder().getBuilder(index);
+      return internalGetOutputsFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -949,7 +923,7 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getOutputsOrBuilder(int ind
      * <code>repeated .google.cloud.vertexai.v1.Tensor outputs = 1;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder addOutputsBuilder() {
-      return getOutputsFieldBuilder()
+      return internalGetOutputsFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Tensor.getDefaultInstance());
     }
 
@@ -963,7 +937,7 @@ public com.google.cloud.vertexai.api.Tensor.Builder addOutputsBuilder() {
      * <code>repeated .google.cloud.vertexai.v1.Tensor outputs = 1;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder addOutputsBuilder(int index) {
-      return getOutputsFieldBuilder()
+      return internalGetOutputsFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Tensor.getDefaultInstance());
     }
 
@@ -977,17 +951,17 @@ public com.google.cloud.vertexai.api.Tensor.Builder addOutputsBuilder(int index)
      * <code>repeated .google.cloud.vertexai.v1.Tensor outputs = 1;</code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Tensor.Builder> getOutputsBuilderList() {
-      return getOutputsFieldBuilder().getBuilderList();
+      return internalGetOutputsFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
-        getOutputsFieldBuilder() {
+        internalGetOutputsFieldBuilder() {
       if (outputsBuilder_ == null) {
         outputsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Tensor,
                 com.google.cloud.vertexai.api.Tensor.Builder,
                 com.google.cloud.vertexai.api.TensorOrBuilder>(
@@ -998,7 +972,7 @@ public java.util.List<com.google.cloud.vertexai.api.Tensor.Builder> getOutputsBu
     }
 
     private com.google.cloud.vertexai.api.Tensor parameters_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
@@ -1143,7 +1117,7 @@ public Builder clearParameters() {
     public com.google.cloud.vertexai.api.Tensor.Builder getParametersBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getParametersFieldBuilder().getBuilder();
+      return internalGetParametersFieldBuilder().getBuilder();
     }
 
     /**
@@ -1174,14 +1148,14 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getParametersOrBuilder() {
      *
      * <code>.google.cloud.vertexai.v1.Tensor parameters = 2;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
-        getParametersFieldBuilder() {
+        internalGetParametersFieldBuilder() {
       if (parametersBuilder_ == null) {
         parametersBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Tensor,
                 com.google.cloud.vertexai.api.Tensor.Builder,
                 com.google.cloud.vertexai.api.TensorOrBuilder>(
@@ -1191,17 +1165,6 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getParametersOrBuilder() {
       return parametersBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.StreamingPredictResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictResponseOrBuilder.java
index b12c8723a47e..632da254e406 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingPredictResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface StreamingPredictResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.StreamingPredictResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictRequest.java
index 8c671dd5cb78..c65ed023adfd 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -40,14 +41,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.StreamingRawPredictRequest}
  */
-public final class StreamingRawPredictRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class StreamingRawPredictRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.StreamingRawPredictRequest)
     StreamingRawPredictRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "StreamingRawPredictRequest");
+  }
+
   // Use StreamingRawPredictRequest.newBuilder() to construct.
-  private StreamingRawPredictRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private StreamingRawPredictRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -57,19 +69,13 @@ private StreamingRawPredictRequest() {
     input_ = com.google.protobuf.ByteString.EMPTY;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new StreamingRawPredictRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamingRawPredictRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamingRawPredictRequest_fieldAccessorTable
@@ -237,11 +243,11 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(methodName_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, methodName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(methodName_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, methodName_);
     }
     if (!input_.isEmpty()) {
       output.writeBytes(3, input_);
@@ -255,11 +261,11 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(methodName_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, methodName_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(methodName_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, methodName_);
     }
     if (!input_.isEmpty()) {
       size += com.google.protobuf.CodedOutputStream.computeBytesSize(3, input_);
@@ -342,38 +348,38 @@ public static com.google.cloud.vertexai.api.StreamingRawPredictRequest parseFrom
 
   public static com.google.cloud.vertexai.api.StreamingRawPredictRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamingRawPredictRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamingRawPredictRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamingRawPredictRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamingRawPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamingRawPredictRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -397,7 +403,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -423,7 +429,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.StreamingRawPredictRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.StreamingRawPredictRequest)
       com.google.cloud.vertexai.api.StreamingRawPredictRequestOrBuilder {
@@ -433,7 +439,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_StreamingRawPredictRequest_fieldAccessorTable
@@ -445,7 +451,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.StreamingRawPredictRequest.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -503,39 +509,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.StreamingRawPredictRequ
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.StreamingRawPredictRequest) {
@@ -559,7 +532,7 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.StreamingRawPredictReques
         bitField0_ |= 0x00000002;
         onChanged();
       }
-      if (other.getInput() != com.google.protobuf.ByteString.EMPTY) {
+      if (!other.getInput().isEmpty()) {
         setInput(other.getInput());
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -955,17 +928,6 @@ public Builder clearInput() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.StreamingRawPredictRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictRequestOrBuilder.java
index fafbfa65174e..e7af25404c4a 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface StreamingRawPredictRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.StreamingRawPredictRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictResponse.java
index 39a5eba16785..5732d4653271 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.StreamingRawPredictResponse}
  */
-public final class StreamingRawPredictResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class StreamingRawPredictResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.StreamingRawPredictResponse)
     StreamingRawPredictResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "StreamingRawPredictResponse");
+  }
+
   // Use StreamingRawPredictResponse.newBuilder() to construct.
-  private StreamingRawPredictResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private StreamingRawPredictResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -44,19 +56,13 @@ private StreamingRawPredictResponse() {
     output_ = com.google.protobuf.ByteString.EMPTY;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new StreamingRawPredictResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamingRawPredictResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.PredictionServiceProto
         .internal_static_google_cloud_vertexai_v1_StreamingRawPredictResponse_fieldAccessorTable
@@ -185,38 +191,38 @@ public static com.google.cloud.vertexai.api.StreamingRawPredictResponse parseFro
 
   public static com.google.cloud.vertexai.api.StreamingRawPredictResponse parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamingRawPredictResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamingRawPredictResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamingRawPredictResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StreamingRawPredictResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StreamingRawPredictResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -240,7 +246,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -255,7 +261,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.StreamingRawPredictResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.StreamingRawPredictResponse)
       com.google.cloud.vertexai.api.StreamingRawPredictResponseOrBuilder {
@@ -265,7 +271,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.PredictionServiceProto
           .internal_static_google_cloud_vertexai_v1_StreamingRawPredictResponse_fieldAccessorTable
@@ -277,7 +283,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.StreamingRawPredictResponse.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -327,39 +333,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.StreamingRawPredictResp
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.StreamingRawPredictResponse) {
@@ -373,7 +346,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     public Builder mergeFrom(com.google.cloud.vertexai.api.StreamingRawPredictResponse other) {
       if (other == com.google.cloud.vertexai.api.StreamingRawPredictResponse.getDefaultInstance())
         return this;
-      if (other.getOutput() != com.google.protobuf.ByteString.EMPTY) {
+      if (!other.getOutput().isEmpty()) {
         setOutput(other.getOutput());
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -485,17 +458,6 @@ public Builder clearOutput() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.StreamingRawPredictResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictResponseOrBuilder.java
index 68c48cc6caa4..2f02dbe7cb6e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/prediction_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface StreamingRawPredictResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.StreamingRawPredictResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StringArray.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StringArray.java
index 9b205965bc9b..8ecff80fe6b4 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StringArray.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StringArray.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/types.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.StringArray}
  */
-public final class StringArray extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class StringArray extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.StringArray)
     StringArrayOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "StringArray");
+  }
+
   // Use StringArray.newBuilder() to construct.
-  private StringArray(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private StringArray(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private StringArray() {
     values_ = com.google.protobuf.LazyStringArrayList.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new StringArray();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.TypesProto
         .internal_static_google_cloud_vertexai_v1_StringArray_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.TypesProto
         .internal_static_google_cloud_vertexai_v1_StringArray_fieldAccessorTable
@@ -147,7 +153,7 @@ public final boolean isInitialized() {
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
     for (int i = 0; i < values_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, values_.getRaw(i));
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, values_.getRaw(i));
     }
     getUnknownFields().writeTo(output);
   }
@@ -240,38 +246,38 @@ public static com.google.cloud.vertexai.api.StringArray parseFrom(
 
   public static com.google.cloud.vertexai.api.StringArray parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StringArray parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StringArray parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StringArray parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.StringArray parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.StringArray parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -294,7 +300,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -308,7 +314,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.StringArray}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.StringArray)
       com.google.cloud.vertexai.api.StringArrayOrBuilder {
@@ -318,7 +324,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.TypesProto
           .internal_static_google_cloud_vertexai_v1_StringArray_fieldAccessorTable
@@ -330,7 +336,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.StringArray.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -381,39 +387,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.StringArray result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.StringArray) {
@@ -671,17 +644,6 @@ public Builder addValuesBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.StringArray)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StringArrayOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StringArrayOrBuilder.java
index 01ac884b5cca..5c56edbc4737 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StringArrayOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StringArrayOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/types.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface StringArrayOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.StringArray)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TFRecordDestination.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TFRecordDestination.java
index 3aa5bd652cf8..98309e35a518 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TFRecordDestination.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TFRecordDestination.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.TFRecordDestination}
  */
-public final class TFRecordDestination extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class TFRecordDestination extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.TFRecordDestination)
     TFRecordDestinationOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "TFRecordDestination");
+  }
+
   // Use TFRecordDestination.newBuilder() to construct.
-  private TFRecordDestination(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private TFRecordDestination(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private TFRecordDestination() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new TFRecordDestination();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_TFRecordDestination_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.IoProto
         .internal_static_google_cloud_vertexai_v1_TFRecordDestination_fieldAccessorTable
@@ -228,38 +234,38 @@ public static com.google.cloud.vertexai.api.TFRecordDestination parseFrom(
 
   public static com.google.cloud.vertexai.api.TFRecordDestination parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.TFRecordDestination parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.TFRecordDestination parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.TFRecordDestination parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.TFRecordDestination parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.TFRecordDestination parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -282,7 +288,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -296,7 +302,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.TFRecordDestination}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.TFRecordDestination)
       com.google.cloud.vertexai.api.TFRecordDestinationOrBuilder {
@@ -306,7 +312,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.IoProto
           .internal_static_google_cloud_vertexai_v1_TFRecordDestination_fieldAccessorTable
@@ -320,14 +326,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getGcsDestinationFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetGcsDestinationFieldBuilder();
       }
     }
 
@@ -385,39 +391,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.TFRecordDestination res
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.TFRecordDestination) {
@@ -462,7 +435,8 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getGcsDestinationFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetGcsDestinationFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -486,7 +460,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.GcsDestination gcsDestination_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GcsDestination,
             com.google.cloud.vertexai.api.GcsDestination.Builder,
             com.google.cloud.vertexai.api.GcsDestinationOrBuilder>
@@ -647,7 +621,7 @@ public Builder clearGcsDestination() {
     public com.google.cloud.vertexai.api.GcsDestination.Builder getGcsDestinationBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getGcsDestinationFieldBuilder().getBuilder();
+      return internalGetGcsDestinationFieldBuilder().getBuilder();
     }
 
     /**
@@ -682,14 +656,14 @@ public com.google.cloud.vertexai.api.GcsDestinationOrBuilder getGcsDestinationOr
      * .google.cloud.vertexai.v1.GcsDestination gcs_destination = 1 [(.google.api.field_behavior) = REQUIRED];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GcsDestination,
             com.google.cloud.vertexai.api.GcsDestination.Builder,
             com.google.cloud.vertexai.api.GcsDestinationOrBuilder>
-        getGcsDestinationFieldBuilder() {
+        internalGetGcsDestinationFieldBuilder() {
       if (gcsDestinationBuilder_ == null) {
         gcsDestinationBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GcsDestination,
                 com.google.cloud.vertexai.api.GcsDestination.Builder,
                 com.google.cloud.vertexai.api.GcsDestinationOrBuilder>(
@@ -699,17 +673,6 @@ public com.google.cloud.vertexai.api.GcsDestinationOrBuilder getGcsDestinationOr
       return gcsDestinationBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.TFRecordDestination)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TFRecordDestinationOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TFRecordDestinationOrBuilder.java
index 4762a3ceb98a..f5fa50030dbb 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TFRecordDestinationOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TFRecordDestinationOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/io.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface TFRecordDestinationOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.TFRecordDestination)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Tensor.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Tensor.java
index b56c654ca7c4..f0ffaebf6ddf 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Tensor.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Tensor.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/types.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Tensor}
  */
-public final class Tensor extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Tensor extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Tensor)
     TensorOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Tensor");
+  }
+
   // Use Tensor.newBuilder() to construct.
-  private Tensor(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Tensor(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -55,12 +67,6 @@ private Tensor() {
     tensorVal_ = com.google.protobuf.ByteString.EMPTY;
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Tensor();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.TypesProto
         .internal_static_google_cloud_vertexai_v1_Tensor_descriptor;
@@ -79,7 +85,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldRefl
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.TypesProto
         .internal_static_google_cloud_vertexai_v1_Tensor_fieldAccessorTable
@@ -145,6 +151,16 @@ public enum DataType implements com.google.protobuf.ProtocolMessageEnum {
     UNRECOGNIZED(-1),
     ;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "DataType");
+    }
+
     /**
      *
      *
@@ -280,7 +296,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
       return getDescriptor();
     }
 
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
       return com.google.cloud.vertexai.api.Tensor.getDescriptor().getEnumTypes().get(0);
     }
 
@@ -1208,13 +1224,13 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     for (int i = 0; i < listVal_.size(); i++) {
       output.writeMessage(11, listVal_.get(i));
     }
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
+    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
         output, internalGetStructVal(), StructValDefaultEntryHolder.defaultEntry, 12);
     if (!tensorVal_.isEmpty()) {
       output.writeBytes(13, tensorVal_);
     }
     for (int i = 0; i < stringVal_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 14, stringVal_.getRaw(i));
+      com.google.protobuf.GeneratedMessage.writeString(output, 14, stringVal_.getRaw(i));
     }
     for (int i = 0; i < bytesVal_.size(); i++) {
       output.writeBytes(15, bytesVal_.get(i));
@@ -1490,38 +1506,38 @@ public static com.google.cloud.vertexai.api.Tensor parseFrom(
 
   public static com.google.cloud.vertexai.api.Tensor parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Tensor parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Tensor parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Tensor parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.Tensor parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.Tensor parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -1544,7 +1560,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -1558,7 +1574,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Tensor}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Tensor)
       com.google.cloud.vertexai.api.TensorOrBuilder {
@@ -1590,7 +1606,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFi
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.TypesProto
           .internal_static_google_cloud_vertexai_v1_Tensor_fieldAccessorTable
@@ -1602,7 +1618,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFi
     // Construct using com.google.cloud.vertexai.api.Tensor.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -1729,39 +1745,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.Tensor result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.Tensor) {
@@ -1905,8 +1888,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Tensor other) {
             listVal_ = other.listVal_;
             bitField0_ = (bitField0_ & ~0x00000800);
             listValBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getListValFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetListValFieldBuilder()
                     : null;
           } else {
             listValBuilder_.addAllMessages(other.listVal_);
@@ -1915,7 +1898,7 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.Tensor other) {
       }
       internalGetMutableStructVal().mergeFrom(other.internalGetStructVal());
       bitField0_ |= 0x00001000;
-      if (other.getTensorVal() != com.google.protobuf.ByteString.EMPTY) {
+      if (!other.getTensorVal().isEmpty()) {
         setTensorVal(other.getTensorVal());
       }
       this.mergeUnknownFields(other.getUnknownFields());
@@ -3773,7 +3756,7 @@ private void ensureListValIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
@@ -4032,7 +4015,7 @@ public Builder removeListVal(int index) {
      * <code>repeated .google.cloud.vertexai.v1.Tensor list_val = 11;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder getListValBuilder(int index) {
-      return getListValFieldBuilder().getBuilder(index);
+      return internalGetListValFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -4080,7 +4063,7 @@ public com.google.cloud.vertexai.api.TensorOrBuilder getListValOrBuilder(int ind
      * <code>repeated .google.cloud.vertexai.v1.Tensor list_val = 11;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder addListValBuilder() {
-      return getListValFieldBuilder()
+      return internalGetListValFieldBuilder()
           .addBuilder(com.google.cloud.vertexai.api.Tensor.getDefaultInstance());
     }
 
@@ -4094,7 +4077,7 @@ public com.google.cloud.vertexai.api.Tensor.Builder addListValBuilder() {
      * <code>repeated .google.cloud.vertexai.v1.Tensor list_val = 11;</code>
      */
     public com.google.cloud.vertexai.api.Tensor.Builder addListValBuilder(int index) {
-      return getListValFieldBuilder()
+      return internalGetListValFieldBuilder()
           .addBuilder(index, com.google.cloud.vertexai.api.Tensor.getDefaultInstance());
     }
 
@@ -4108,17 +4091,17 @@ public com.google.cloud.vertexai.api.Tensor.Builder addListValBuilder(int index)
      * <code>repeated .google.cloud.vertexai.v1.Tensor list_val = 11;</code>
      */
     public java.util.List<com.google.cloud.vertexai.api.Tensor.Builder> getListValBuilderList() {
-      return getListValFieldBuilder().getBuilderList();
+      return internalGetListValFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.Tensor,
             com.google.cloud.vertexai.api.Tensor.Builder,
             com.google.cloud.vertexai.api.TensorOrBuilder>
-        getListValFieldBuilder() {
+        internalGetListValFieldBuilder() {
       if (listValBuilder_ == null) {
         listValBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.Tensor,
                 com.google.cloud.vertexai.api.Tensor.Builder,
                 com.google.cloud.vertexai.api.TensorOrBuilder>(
@@ -4428,17 +4411,6 @@ public Builder clearTensorVal() {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Tensor)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TensorOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TensorOrBuilder.java
index 4e4b0c155dad..e32c9c2e1ce4 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TensorOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TensorOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/types.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface TensorOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Tensor)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TokensInfo.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TokensInfo.java
index a59775924220..dd29bd3723dc 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TokensInfo.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TokensInfo.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/llm_utility_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.TokensInfo}
  */
-public final class TokensInfo extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class TokensInfo extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.TokensInfo)
     TokensInfoOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "TokensInfo");
+  }
+
   // Use TokensInfo.newBuilder() to construct.
-  private TokensInfo(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private TokensInfo(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,19 +57,13 @@ private TokensInfo() {
     role_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new TokensInfo();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.LlmUtilityServiceProto
         .internal_static_google_cloud_vertexai_v1_TokensInfo_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.LlmUtilityServiceProto
         .internal_static_google_cloud_vertexai_v1_TokensInfo_fieldAccessorTable
@@ -251,8 +257,8 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     for (int i = 0; i < tokenIds_.size(); i++) {
       output.writeInt64NoTag(tokenIds_.getLong(i));
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(role_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, role_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(role_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 3, role_);
     }
     getUnknownFields().writeTo(output);
   }
@@ -284,8 +290,8 @@ public int getSerializedSize() {
       }
       tokenIdsMemoizedSerializedSize = dataSize;
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(role_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, role_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(role_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(3, role_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -368,38 +374,38 @@ public static com.google.cloud.vertexai.api.TokensInfo parseFrom(
 
   public static com.google.cloud.vertexai.api.TokensInfo parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.TokensInfo parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.TokensInfo parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.TokensInfo parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.TokensInfo parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.TokensInfo parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -422,7 +428,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -436,7 +442,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.TokensInfo}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.TokensInfo)
       com.google.cloud.vertexai.api.TokensInfoOrBuilder {
@@ -446,7 +452,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.LlmUtilityServiceProto
           .internal_static_google_cloud_vertexai_v1_TokensInfo_fieldAccessorTable
@@ -458,7 +464,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.TokensInfo.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -518,39 +524,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.TokensInfo result) {
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.TokensInfo) {
@@ -1057,17 +1030,6 @@ public Builder setRoleBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.TokensInfo)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TokensInfoOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TokensInfoOrBuilder.java
index c166e4b050a8..c5e5d95ee36e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TokensInfoOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TokensInfoOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/llm_utility_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface TokensInfoOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.TokensInfo)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Tool.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Tool.java
index c9f466b16d76..65af3b064229 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Tool.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Tool.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -34,14 +35,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.Tool}
  */
-public final class Tool extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class Tool extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Tool)
     ToolOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Tool");
+  }
+
   // Use Tool.newBuilder() to construct.
-  private Tool(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private Tool(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -49,19 +61,13 @@ private Tool() {
     functionDeclarations_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new Tool();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_Tool_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_Tool_fieldAccessorTable
@@ -70,311 +76,850 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
             com.google.cloud.vertexai.api.Tool.Builder.class);
   }
 
-  public interface GoogleSearchOrBuilder
-      extends
-      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Tool.GoogleSearch)
-      com.google.protobuf.MessageOrBuilder {}
-
   /**
    *
    *
    * <pre>
-   * GoogleSearch tool type.
-   * Tool to support Google Search in Model. Powered by Google.
+   * These are available confidence level user can set to block malicious urls
+   * with chosen confidence and above. For understanding different confidence of
+   * webrisk, please refer to
+   * https://cloud.google.com/web-risk/docs/reference/rpc/google.cloud.webrisk.v1eap1#confidencelevel
    * </pre>
    *
-   * Protobuf type {@code google.cloud.vertexai.v1.Tool.GoogleSearch}
+   * Protobuf enum {@code google.cloud.vertexai.v1.Tool.PhishBlockThreshold}
    */
-  public static final class GoogleSearch extends com.google.protobuf.GeneratedMessageV3
-      implements
-      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Tool.GoogleSearch)
-      GoogleSearchOrBuilder {
-    private static final long serialVersionUID = 0L;
+  public enum PhishBlockThreshold implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Defaults to unspecified.
+     * </pre>
+     *
+     * <code>PHISH_BLOCK_THRESHOLD_UNSPECIFIED = 0;</code>
+     */
+    PHISH_BLOCK_THRESHOLD_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Blocks Low and above confidence URL that is risky.
+     * </pre>
+     *
+     * <code>BLOCK_LOW_AND_ABOVE = 30;</code>
+     */
+    BLOCK_LOW_AND_ABOVE(30),
+    /**
+     *
+     *
+     * <pre>
+     * Blocks Medium and above confidence URL that is risky.
+     * </pre>
+     *
+     * <code>BLOCK_MEDIUM_AND_ABOVE = 40;</code>
+     */
+    BLOCK_MEDIUM_AND_ABOVE(40),
+    /**
+     *
+     *
+     * <pre>
+     * Blocks High and above confidence URL that is risky.
+     * </pre>
+     *
+     * <code>BLOCK_HIGH_AND_ABOVE = 50;</code>
+     */
+    BLOCK_HIGH_AND_ABOVE(50),
+    /**
+     *
+     *
+     * <pre>
+     * Blocks Higher and above confidence URL that is risky.
+     * </pre>
+     *
+     * <code>BLOCK_HIGHER_AND_ABOVE = 55;</code>
+     */
+    BLOCK_HIGHER_AND_ABOVE(55),
+    /**
+     *
+     *
+     * <pre>
+     * Blocks Very high and above confidence URL that is risky.
+     * </pre>
+     *
+     * <code>BLOCK_VERY_HIGH_AND_ABOVE = 60;</code>
+     */
+    BLOCK_VERY_HIGH_AND_ABOVE(60),
+    /**
+     *
+     *
+     * <pre>
+     * Blocks Extremely high confidence URL that is risky.
+     * </pre>
+     *
+     * <code>BLOCK_ONLY_EXTREMELY_HIGH = 100;</code>
+     */
+    BLOCK_ONLY_EXTREMELY_HIGH(100),
+    UNRECOGNIZED(-1),
+    ;
 
-    // Use GoogleSearch.newBuilder() to construct.
-    private GoogleSearch(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
-      super(builder);
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "PhishBlockThreshold");
     }
 
-    private GoogleSearch() {}
+    /**
+     *
+     *
+     * <pre>
+     * Defaults to unspecified.
+     * </pre>
+     *
+     * <code>PHISH_BLOCK_THRESHOLD_UNSPECIFIED = 0;</code>
+     */
+    public static final int PHISH_BLOCK_THRESHOLD_UNSPECIFIED_VALUE = 0;
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new GoogleSearch();
-    }
+    /**
+     *
+     *
+     * <pre>
+     * Blocks Low and above confidence URL that is risky.
+     * </pre>
+     *
+     * <code>BLOCK_LOW_AND_ABOVE = 30;</code>
+     */
+    public static final int BLOCK_LOW_AND_ABOVE_VALUE = 30;
 
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.cloud.vertexai.api.ToolProto
-          .internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_descriptor;
-    }
+    /**
+     *
+     *
+     * <pre>
+     * Blocks Medium and above confidence URL that is risky.
+     * </pre>
+     *
+     * <code>BLOCK_MEDIUM_AND_ABOVE = 40;</code>
+     */
+    public static final int BLOCK_MEDIUM_AND_ABOVE_VALUE = 40;
 
-    @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-        internalGetFieldAccessorTable() {
-      return com.google.cloud.vertexai.api.ToolProto
-          .internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_fieldAccessorTable
-          .ensureFieldAccessorsInitialized(
-              com.google.cloud.vertexai.api.Tool.GoogleSearch.class,
-              com.google.cloud.vertexai.api.Tool.GoogleSearch.Builder.class);
-    }
+    /**
+     *
+     *
+     * <pre>
+     * Blocks High and above confidence URL that is risky.
+     * </pre>
+     *
+     * <code>BLOCK_HIGH_AND_ABOVE = 50;</code>
+     */
+    public static final int BLOCK_HIGH_AND_ABOVE_VALUE = 50;
 
-    private byte memoizedIsInitialized = -1;
+    /**
+     *
+     *
+     * <pre>
+     * Blocks Higher and above confidence URL that is risky.
+     * </pre>
+     *
+     * <code>BLOCK_HIGHER_AND_ABOVE = 55;</code>
+     */
+    public static final int BLOCK_HIGHER_AND_ABOVE_VALUE = 55;
 
-    @java.lang.Override
-    public final boolean isInitialized() {
-      byte isInitialized = memoizedIsInitialized;
-      if (isInitialized == 1) return true;
-      if (isInitialized == 0) return false;
+    /**
+     *
+     *
+     * <pre>
+     * Blocks Very high and above confidence URL that is risky.
+     * </pre>
+     *
+     * <code>BLOCK_VERY_HIGH_AND_ABOVE = 60;</code>
+     */
+    public static final int BLOCK_VERY_HIGH_AND_ABOVE_VALUE = 60;
 
-      memoizedIsInitialized = 1;
-      return true;
-    }
+    /**
+     *
+     *
+     * <pre>
+     * Blocks Extremely high confidence URL that is risky.
+     * </pre>
+     *
+     * <code>BLOCK_ONLY_EXTREMELY_HIGH = 100;</code>
+     */
+    public static final int BLOCK_ONLY_EXTREMELY_HIGH_VALUE = 100;
 
-    @java.lang.Override
-    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-      getUnknownFields().writeTo(output);
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
     }
 
-    @java.lang.Override
-    public int getSerializedSize() {
-      int size = memoizedSize;
-      if (size != -1) return size;
-
-      size = 0;
-      size += getUnknownFields().getSerializedSize();
-      memoizedSize = size;
-      return size;
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static PhishBlockThreshold valueOf(int value) {
+      return forNumber(value);
     }
 
-    @java.lang.Override
-    public boolean equals(final java.lang.Object obj) {
-      if (obj == this) {
-        return true;
-      }
-      if (!(obj instanceof com.google.cloud.vertexai.api.Tool.GoogleSearch)) {
-        return super.equals(obj);
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static PhishBlockThreshold forNumber(int value) {
+      switch (value) {
+        case 0:
+          return PHISH_BLOCK_THRESHOLD_UNSPECIFIED;
+        case 30:
+          return BLOCK_LOW_AND_ABOVE;
+        case 40:
+          return BLOCK_MEDIUM_AND_ABOVE;
+        case 50:
+          return BLOCK_HIGH_AND_ABOVE;
+        case 55:
+          return BLOCK_HIGHER_AND_ABOVE;
+        case 60:
+          return BLOCK_VERY_HIGH_AND_ABOVE;
+        case 100:
+          return BLOCK_ONLY_EXTREMELY_HIGH;
+        default:
+          return null;
       }
-      com.google.cloud.vertexai.api.Tool.GoogleSearch other =
-          (com.google.cloud.vertexai.api.Tool.GoogleSearch) obj;
-
-      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
-      return true;
     }
 
-    @java.lang.Override
-    public int hashCode() {
-      if (memoizedHashCode != 0) {
-        return memoizedHashCode;
-      }
-      int hash = 41;
-      hash = (19 * hash) + getDescriptor().hashCode();
-      hash = (29 * hash) + getUnknownFields().hashCode();
-      memoizedHashCode = hash;
-      return hash;
+    public static com.google.protobuf.Internal.EnumLiteMap<PhishBlockThreshold>
+        internalGetValueMap() {
+      return internalValueMap;
     }
 
-    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
-        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
+    private static final com.google.protobuf.Internal.EnumLiteMap<PhishBlockThreshold>
+        internalValueMap =
+            new com.google.protobuf.Internal.EnumLiteMap<PhishBlockThreshold>() {
+              public PhishBlockThreshold findValueByNumber(int number) {
+                return PhishBlockThreshold.forNumber(number);
+              }
+            };
 
-    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
-        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
     }
 
-    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
-        com.google.protobuf.ByteString data)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
     }
 
-    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
-        com.google.protobuf.ByteString data,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.Tool.getDescriptor().getEnumTypes().get(0);
     }
 
-    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(byte[] data)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
+    private static final PhishBlockThreshold[] VALUES = values();
 
-    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
-        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
+    public static PhishBlockThreshold valueOf(
+        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
     }
 
-    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
-    }
+    private final int value;
 
-    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+    private PhishBlockThreshold(int value) {
+      this.value = value;
     }
 
-    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseDelimitedFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
-    }
+    // @@protoc_insertion_point(enum_scope:google.cloud.vertexai.v1.Tool.PhishBlockThreshold)
+  }
 
-    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseDelimitedFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-          PARSER, input, extensionRegistry);
-    }
+  public interface GoogleSearchOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Tool.GoogleSearch)
+      com.google.protobuf.MessageOrBuilder {
 
-    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
-        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
-    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * Example: ["amazon.com", "facebook.com"].
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return A list containing the excludeDomains.
+     */
+    java.util.List<java.lang.String> getExcludeDomainsList();
 
-    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
-        com.google.protobuf.CodedInputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
-    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * Example: ["amazon.com", "facebook.com"].
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The count of excludeDomains.
+     */
+    int getExcludeDomainsCount();
 
-    @java.lang.Override
-    public Builder newBuilderForType() {
-      return newBuilder();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * Example: ["amazon.com", "facebook.com"].
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param index The index of the element to return.
+     * @return The excludeDomains at the given index.
+     */
+    java.lang.String getExcludeDomains(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * Example: ["amazon.com", "facebook.com"].
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the excludeDomains at the given index.
+     */
+    com.google.protobuf.ByteString getExcludeDomainsBytes(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Sites with confidence level chosen &amp; above this value will be
+     * blocked from the search results.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the blockingConfidence field is set.
+     */
+    boolean hasBlockingConfidence();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Sites with confidence level chosen &amp; above this value will be
+     * blocked from the search results.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for blockingConfidence.
+     */
+    int getBlockingConfidenceValue();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Sites with confidence level chosen &amp; above this value will be
+     * blocked from the search results.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The blockingConfidence.
+     */
+    com.google.cloud.vertexai.api.Tool.PhishBlockThreshold getBlockingConfidence();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * GoogleSearch tool type.
+   * Tool to support Google Search in Model. Powered by Google.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.Tool.GoogleSearch}
+   */
+  public static final class GoogleSearch extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Tool.GoogleSearch)
+      GoogleSearchOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "GoogleSearch");
     }
 
-    public static Builder newBuilder() {
-      return DEFAULT_INSTANCE.toBuilder();
+    // Use GoogleSearch.newBuilder() to construct.
+    private GoogleSearch(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
     }
 
-    public static Builder newBuilder(com.google.cloud.vertexai.api.Tool.GoogleSearch prototype) {
-      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    private GoogleSearch() {
+      excludeDomains_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      blockingConfidence_ = 0;
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_descriptor;
     }
 
     @java.lang.Override
-    public Builder toBuilder() {
-      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.Tool.GoogleSearch.class,
+              com.google.cloud.vertexai.api.Tool.GoogleSearch.Builder.class);
+    }
+
+    private int bitField0_;
+    public static final int EXCLUDE_DOMAINS_FIELD_NUMBER = 3;
+
+    @SuppressWarnings("serial")
+    private com.google.protobuf.LazyStringArrayList excludeDomains_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * Example: ["amazon.com", "facebook.com"].
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return A list containing the excludeDomains.
+     */
+    public com.google.protobuf.ProtocolStringList getExcludeDomainsList() {
+      return excludeDomains_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * Example: ["amazon.com", "facebook.com"].
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The count of excludeDomains.
+     */
+    public int getExcludeDomainsCount() {
+      return excludeDomains_.size();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * Example: ["amazon.com", "facebook.com"].
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param index The index of the element to return.
+     * @return The excludeDomains at the given index.
+     */
+    public java.lang.String getExcludeDomains(int index) {
+      return excludeDomains_.get(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. List of domains to be excluded from the search results.
+     * The default limit is 2000 domains.
+     * Example: ["amazon.com", "facebook.com"].
+     * </pre>
+     *
+     * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the excludeDomains at the given index.
+     */
+    public com.google.protobuf.ByteString getExcludeDomainsBytes(int index) {
+      return excludeDomains_.getByteString(index);
     }
 
+    public static final int BLOCKING_CONFIDENCE_FIELD_NUMBER = 4;
+    private int blockingConfidence_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Sites with confidence level chosen &amp; above this value will be
+     * blocked from the search results.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the blockingConfidence field is set.
+     */
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      Builder builder = new Builder(parent);
-      return builder;
+    public boolean hasBlockingConfidence() {
+      return ((bitField0_ & 0x00000001) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * GoogleSearch tool type.
-     * Tool to support Google Search in Model. Powered by Google.
+     * Optional. Sites with confidence level chosen &amp; above this value will be
+     * blocked from the search results.
      * </pre>
      *
-     * Protobuf type {@code google.cloud.vertexai.v1.Tool.GoogleSearch}
+     * <code>
+     * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for blockingConfidence.
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
-        implements
-        // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Tool.GoogleSearch)
-        com.google.cloud.vertexai.api.Tool.GoogleSearchOrBuilder {
-      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-        return com.google.cloud.vertexai.api.ToolProto
-            .internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_descriptor;
-      }
+    @java.lang.Override
+    public int getBlockingConfidenceValue() {
+      return blockingConfidence_;
+    }
 
-      @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-          internalGetFieldAccessorTable() {
-        return com.google.cloud.vertexai.api.ToolProto
-            .internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_fieldAccessorTable
-            .ensureFieldAccessorsInitialized(
-                com.google.cloud.vertexai.api.Tool.GoogleSearch.class,
-                com.google.cloud.vertexai.api.Tool.GoogleSearch.Builder.class);
-      }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Sites with confidence level chosen &amp; above this value will be
+     * blocked from the search results.
+     * </pre>
+     *
+     * <code>
+     * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The blockingConfidence.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.Tool.PhishBlockThreshold getBlockingConfidence() {
+      com.google.cloud.vertexai.api.Tool.PhishBlockThreshold result =
+          com.google.cloud.vertexai.api.Tool.PhishBlockThreshold.forNumber(blockingConfidence_);
+      return result == null
+          ? com.google.cloud.vertexai.api.Tool.PhishBlockThreshold.UNRECOGNIZED
+          : result;
+    }
 
-      // Construct using com.google.cloud.vertexai.api.Tool.GoogleSearch.newBuilder()
-      private Builder() {}
+    private byte memoizedIsInitialized = -1;
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-        super(parent);
-      }
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
 
-      @java.lang.Override
-      public Builder clear() {
-        super.clear();
-        return this;
-      }
+      memoizedIsInitialized = 1;
+      return true;
+    }
 
-      @java.lang.Override
-      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-        return com.google.cloud.vertexai.api.ToolProto
-            .internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_descriptor;
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      for (int i = 0; i < excludeDomains_.size(); i++) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 3, excludeDomains_.getRaw(i));
       }
-
-      @java.lang.Override
-      public com.google.cloud.vertexai.api.Tool.GoogleSearch getDefaultInstanceForType() {
-        return com.google.cloud.vertexai.api.Tool.GoogleSearch.getDefaultInstance();
+      if (((bitField0_ & 0x00000001) != 0)) {
+        output.writeEnum(4, blockingConfidence_);
       }
+      getUnknownFields().writeTo(output);
+    }
 
-      @java.lang.Override
-      public com.google.cloud.vertexai.api.Tool.GoogleSearch build() {
-        com.google.cloud.vertexai.api.Tool.GoogleSearch result = buildPartial();
-        if (!result.isInitialized()) {
-          throw newUninitializedMessageException(result);
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      {
+        int dataSize = 0;
+        for (int i = 0; i < excludeDomains_.size(); i++) {
+          dataSize += computeStringSizeNoTag(excludeDomains_.getRaw(i));
         }
-        return result;
+        size += dataSize;
+        size += 1 * getExcludeDomainsList().size();
       }
-
-      @java.lang.Override
-      public com.google.cloud.vertexai.api.Tool.GoogleSearch buildPartial() {
-        com.google.cloud.vertexai.api.Tool.GoogleSearch result =
-            new com.google.cloud.vertexai.api.Tool.GoogleSearch(this);
-        onBuilt();
-        return result;
+      if (((bitField0_ & 0x00000001) != 0)) {
+        size += com.google.protobuf.CodedOutputStream.computeEnumSize(4, blockingConfidence_);
       }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
       }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
+      if (!(obj instanceof com.google.cloud.vertexai.api.Tool.GoogleSearch)) {
+        return super.equals(obj);
       }
+      com.google.cloud.vertexai.api.Tool.GoogleSearch other =
+          (com.google.cloud.vertexai.api.Tool.GoogleSearch) obj;
 
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
+      if (!getExcludeDomainsList().equals(other.getExcludeDomainsList())) return false;
+      if (hasBlockingConfidence() != other.hasBlockingConfidence()) return false;
+      if (hasBlockingConfidence()) {
+        if (blockingConfidence_ != other.blockingConfidence_) return false;
       }
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
 
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
       }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      if (getExcludeDomainsCount() > 0) {
+        hash = (37 * hash) + EXCLUDE_DOMAINS_FIELD_NUMBER;
+        hash = (53 * hash) + getExcludeDomainsList().hashCode();
       }
-
+      if (hasBlockingConfidence()) {
+        hash = (37 * hash) + BLOCKING_CONFIDENCE_FIELD_NUMBER;
+        hash = (53 * hash) + blockingConfidence_;
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseDelimitedFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.Tool.GoogleSearch parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(com.google.cloud.vertexai.api.Tool.GoogleSearch prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * GoogleSearch tool type.
+     * Tool to support Google Search in Model. Powered by Google.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.vertexai.v1.Tool.GoogleSearch}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Tool.GoogleSearch)
+        com.google.cloud.vertexai.api.Tool.GoogleSearchOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.ToolProto
+            .internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.vertexai.api.ToolProto
+            .internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.vertexai.api.Tool.GoogleSearch.class,
+                com.google.cloud.vertexai.api.Tool.GoogleSearch.Builder.class);
+      }
+
+      // Construct using com.google.cloud.vertexai.api.Tool.GoogleSearch.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
       @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        excludeDomains_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        blockingConfidence_ = 0;
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.vertexai.api.ToolProto
+            .internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.Tool.GoogleSearch getDefaultInstanceForType() {
+        return com.google.cloud.vertexai.api.Tool.GoogleSearch.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.Tool.GoogleSearch build() {
+        com.google.cloud.vertexai.api.Tool.GoogleSearch result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.Tool.GoogleSearch buildPartial() {
+        com.google.cloud.vertexai.api.Tool.GoogleSearch result =
+            new com.google.cloud.vertexai.api.Tool.GoogleSearch(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(com.google.cloud.vertexai.api.Tool.GoogleSearch result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          excludeDomains_.makeImmutable();
+          result.excludeDomains_ = excludeDomains_;
+        }
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.blockingConfidence_ = blockingConfidence_;
+          to_bitField0_ |= 0x00000001;
+        }
+        result.bitField0_ |= to_bitField0_;
       }
 
       @java.lang.Override
@@ -390,6 +935,19 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
       public Builder mergeFrom(com.google.cloud.vertexai.api.Tool.GoogleSearch other) {
         if (other == com.google.cloud.vertexai.api.Tool.GoogleSearch.getDefaultInstance())
           return this;
+        if (!other.excludeDomains_.isEmpty()) {
+          if (excludeDomains_.isEmpty()) {
+            excludeDomains_ = other.excludeDomains_;
+            bitField0_ |= 0x00000001;
+          } else {
+            ensureExcludeDomainsIsMutable();
+            excludeDomains_.addAll(other.excludeDomains_);
+          }
+          onChanged();
+        }
+        if (other.hasBlockingConfidence()) {
+          setBlockingConfidenceValue(other.getBlockingConfidenceValue());
+        }
         this.mergeUnknownFields(other.getUnknownFields());
         onChanged();
         return this;
@@ -416,6 +974,19 @@ public Builder mergeFrom(
               case 0:
                 done = true;
                 break;
+              case 26:
+                {
+                  java.lang.String s = input.readStringRequireUtf8();
+                  ensureExcludeDomainsIsMutable();
+                  excludeDomains_.add(s);
+                  break;
+                } // case 26
+              case 32:
+                {
+                  blockingConfidence_ = input.readEnum();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 32
               default:
                 {
                   if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -433,16 +1004,339 @@ public Builder mergeFrom(
         return this;
       }
 
+      private int bitField0_;
+
+      private com.google.protobuf.LazyStringArrayList excludeDomains_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+
+      private void ensureExcludeDomainsIsMutable() {
+        if (!excludeDomains_.isModifiable()) {
+          excludeDomains_ = new com.google.protobuf.LazyStringArrayList(excludeDomains_);
+        }
+        bitField0_ |= 0x00000001;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of domains to be excluded from the search results.
+       * The default limit is 2000 domains.
+       * Example: ["amazon.com", "facebook.com"].
+       * </pre>
+       *
+       * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return A list containing the excludeDomains.
+       */
+      public com.google.protobuf.ProtocolStringList getExcludeDomainsList() {
+        excludeDomains_.makeImmutable();
+        return excludeDomains_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of domains to be excluded from the search results.
+       * The default limit is 2000 domains.
+       * Example: ["amazon.com", "facebook.com"].
+       * </pre>
+       *
+       * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The count of excludeDomains.
+       */
+      public int getExcludeDomainsCount() {
+        return excludeDomains_.size();
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of domains to be excluded from the search results.
+       * The default limit is 2000 domains.
+       * Example: ["amazon.com", "facebook.com"].
+       * </pre>
+       *
+       * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param index The index of the element to return.
+       * @return The excludeDomains at the given index.
+       */
+      public java.lang.String getExcludeDomains(int index) {
+        return excludeDomains_.get(index);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of domains to be excluded from the search results.
+       * The default limit is 2000 domains.
+       * Example: ["amazon.com", "facebook.com"].
+       * </pre>
+       *
+       * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param index The index of the value to return.
+       * @return The bytes of the excludeDomains at the given index.
+       */
+      public com.google.protobuf.ByteString getExcludeDomainsBytes(int index) {
+        return excludeDomains_.getByteString(index);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of domains to be excluded from the search results.
+       * The default limit is 2000 domains.
+       * Example: ["amazon.com", "facebook.com"].
+       * </pre>
+       *
+       * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param index The index to set the value at.
+       * @param value The excludeDomains to set.
+       * @return This builder for chaining.
+       */
+      public Builder setExcludeDomains(int index, java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureExcludeDomainsIsMutable();
+        excludeDomains_.set(index, value);
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of domains to be excluded from the search results.
+       * The default limit is 2000 domains.
+       * Example: ["amazon.com", "facebook.com"].
+       * </pre>
+       *
+       * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The excludeDomains to add.
+       * @return This builder for chaining.
+       */
+      public Builder addExcludeDomains(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureExcludeDomainsIsMutable();
+        excludeDomains_.add(value);
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of domains to be excluded from the search results.
+       * The default limit is 2000 domains.
+       * Example: ["amazon.com", "facebook.com"].
+       * </pre>
+       *
+       * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param values The excludeDomains to add.
+       * @return This builder for chaining.
+       */
+      public Builder addAllExcludeDomains(java.lang.Iterable<java.lang.String> values) {
+        ensureExcludeDomainsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, excludeDomains_);
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of domains to be excluded from the search results.
+       * The default limit is 2000 domains.
+       * Example: ["amazon.com", "facebook.com"].
+       * </pre>
+       *
+       * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearExcludeDomains() {
+        excludeDomains_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        ;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. List of domains to be excluded from the search results.
+       * The default limit is 2000 domains.
+       * Example: ["amazon.com", "facebook.com"].
+       * </pre>
+       *
+       * <code>repeated string exclude_domains = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The bytes of the excludeDomains to add.
+       * @return This builder for chaining.
+       */
+      public Builder addExcludeDomainsBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        ensureExcludeDomainsIsMutable();
+        excludeDomains_.add(value);
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      private int blockingConfidence_ = 0;
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Sites with confidence level chosen &amp; above this value will be
+       * blocked from the search results.
+       * </pre>
+       *
+       * <code>
+       * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return Whether the blockingConfidence field is set.
+       */
+      @java.lang.Override
+      public boolean hasBlockingConfidence() {
+        return ((bitField0_ & 0x00000002) != 0);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Sites with confidence level chosen &amp; above this value will be
+       * blocked from the search results.
+       * </pre>
+       *
+       * <code>
+       * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return The enum numeric value on the wire for blockingConfidence.
+       */
       @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
+      public int getBlockingConfidenceValue() {
+        return blockingConfidence_;
       }
 
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Sites with confidence level chosen &amp; above this value will be
+       * blocked from the search results.
+       * </pre>
+       *
+       * <code>
+       * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param value The enum numeric value on the wire for blockingConfidence to set.
+       * @return This builder for chaining.
+       */
+      public Builder setBlockingConfidenceValue(int value) {
+        blockingConfidence_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Sites with confidence level chosen &amp; above this value will be
+       * blocked from the search results.
+       * </pre>
+       *
+       * <code>
+       * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return The blockingConfidence.
+       */
       @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
+      public com.google.cloud.vertexai.api.Tool.PhishBlockThreshold getBlockingConfidence() {
+        com.google.cloud.vertexai.api.Tool.PhishBlockThreshold result =
+            com.google.cloud.vertexai.api.Tool.PhishBlockThreshold.forNumber(blockingConfidence_);
+        return result == null
+            ? com.google.cloud.vertexai.api.Tool.PhishBlockThreshold.UNRECOGNIZED
+            : result;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Sites with confidence level chosen &amp; above this value will be
+       * blocked from the search results.
+       * </pre>
+       *
+       * <code>
+       * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param value The blockingConfidence to set.
+       * @return This builder for chaining.
+       */
+      public Builder setBlockingConfidence(
+          com.google.cloud.vertexai.api.Tool.PhishBlockThreshold value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        bitField0_ |= 0x00000002;
+        blockingConfidence_ = value.getNumber();
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Sites with confidence level chosen &amp; above this value will be
+       * blocked from the search results.
+       * </pre>
+       *
+       * <code>
+       * optional .google.cloud.vertexai.v1.Tool.PhishBlockThreshold blocking_confidence = 4 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearBlockingConfidence() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        blockingConfidence_ = 0;
+        onChanged();
+        return this;
       }
 
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Tool.GoogleSearch)
@@ -515,32 +1409,36 @@ public interface CodeExecutionOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.Tool.CodeExecution}
    */
-  public static final class CodeExecution extends com.google.protobuf.GeneratedMessageV3
+  public static final class CodeExecution extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Tool.CodeExecution)
       CodeExecutionOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "CodeExecution");
+    }
+
     // Use CodeExecution.newBuilder() to construct.
-    private CodeExecution(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private CodeExecution(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
     private CodeExecution() {}
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new CodeExecution();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_Tool_CodeExecution_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_Tool_CodeExecution_fieldAccessorTable
@@ -641,38 +1539,38 @@ public static com.google.cloud.vertexai.api.Tool.CodeExecution parseFrom(
 
     public static com.google.cloud.vertexai.api.Tool.CodeExecution parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.Tool.CodeExecution parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.Tool.CodeExecution parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.Tool.CodeExecution parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.Tool.CodeExecution parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.Tool.CodeExecution parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -695,8 +1593,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -714,8 +1611,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.Tool.CodeExecution}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Tool.CodeExecution)
         com.google.cloud.vertexai.api.Tool.CodeExecutionOrBuilder {
@@ -725,7 +1621,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ToolProto
             .internal_static_google_cloud_vertexai_v1_Tool_CodeExecution_fieldAccessorTable
@@ -737,7 +1633,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // Construct using com.google.cloud.vertexai.api.Tool.CodeExecution.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -776,48 +1672,13 @@ public com.google.cloud.vertexai.api.Tool.CodeExecution buildPartial() {
       }
 
       @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder mergeFrom(com.google.protobuf.Message other) {
-        if (other instanceof com.google.cloud.vertexai.api.Tool.CodeExecution) {
-          return mergeFrom((com.google.cloud.vertexai.api.Tool.CodeExecution) other);
-        } else {
-          super.mergeFrom(other);
-          return this;
-        }
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.vertexai.api.Tool.CodeExecution) {
+          return mergeFrom((com.google.cloud.vertexai.api.Tool.CodeExecution) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
       }
 
       public Builder mergeFrom(com.google.cloud.vertexai.api.Tool.CodeExecution other) {
@@ -866,18 +1727,6 @@ public Builder mergeFrom(
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Tool.CodeExecution)
     }
 
@@ -930,1077 +1779,3273 @@ public com.google.cloud.vertexai.api.Tool.CodeExecution getDefaultInstanceForTyp
     }
   }
 
-  private int bitField0_;
-  public static final int FUNCTION_DECLARATIONS_FIELD_NUMBER = 1;
+  public interface ComputerUseOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Tool.ComputerUse)
+      com.google.protobuf.MessageOrBuilder {
 
-  @SuppressWarnings("serial")
-  private java.util.List<com.google.cloud.vertexai.api.FunctionDeclaration> functionDeclarations_;
+    /**
+     *
+     *
+     * <pre>
+     * Required. The environment being operated.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.Tool.ComputerUse.Environment environment = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for environment.
+     */
+    int getEnvironmentValue();
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Function tool type.
-   * One or more function declarations to be passed to the model along with the
-   * current user query. Model may decide to call a subset of these functions
-   * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-   * in the response. User should provide a
-   * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-   * each function call in the next turn. Based on the function responses, Model
-   * will generate the final response back to the user. Maximum 128 function
-   * declarations can be provided.
-   * </pre>
-   *
-   * <code>
-   * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public java.util.List<com.google.cloud.vertexai.api.FunctionDeclaration>
-      getFunctionDeclarationsList() {
-    return functionDeclarations_;
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The environment being operated.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.Tool.ComputerUse.Environment environment = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The environment.
+     */
+    com.google.cloud.vertexai.api.Tool.ComputerUse.Environment getEnvironment();
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Function tool type.
-   * One or more function declarations to be passed to the model along with the
-   * current user query. Model may decide to call a subset of these functions
-   * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-   * in the response. User should provide a
-   * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-   * each function call in the next turn. Based on the function responses, Model
-   * will generate the final response back to the user. Maximum 128 function
-   * declarations can be provided.
-   * </pre>
-   *
-   * <code>
-   * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public java.util.List<? extends com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder>
-      getFunctionDeclarationsOrBuilderList() {
-    return functionDeclarations_;
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. By default, [predefined
+     * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+     * are included in the final model call. Some of them can be explicitly
+     * excluded from being automatically included. This can serve two purposes:
+     * 1. Using a more restricted / different action space.
+     * 2. Improving the definitions / instructions of predefined functions.
+     * </pre>
+     *
+     * <code>
+     * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return A list containing the excludedPredefinedFunctions.
+     */
+    java.util.List<java.lang.String> getExcludedPredefinedFunctionsList();
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Function tool type.
-   * One or more function declarations to be passed to the model along with the
-   * current user query. Model may decide to call a subset of these functions
-   * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-   * in the response. User should provide a
-   * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-   * each function call in the next turn. Based on the function responses, Model
-   * will generate the final response back to the user. Maximum 128 function
-   * declarations can be provided.
-   * </pre>
-   *
-   * <code>
-   * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public int getFunctionDeclarationsCount() {
-    return functionDeclarations_.size();
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. By default, [predefined
+     * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+     * are included in the final model call. Some of them can be explicitly
+     * excluded from being automatically included. This can serve two purposes:
+     * 1. Using a more restricted / different action space.
+     * 2. Improving the definitions / instructions of predefined functions.
+     * </pre>
+     *
+     * <code>
+     * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The count of excludedPredefinedFunctions.
+     */
+    int getExcludedPredefinedFunctionsCount();
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Function tool type.
-   * One or more function declarations to be passed to the model along with the
-   * current user query. Model may decide to call a subset of these functions
-   * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-   * in the response. User should provide a
-   * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-   * each function call in the next turn. Based on the function responses, Model
-   * will generate the final response back to the user. Maximum 128 function
-   * declarations can be provided.
-   * </pre>
-   *
-   * <code>
-   * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.FunctionDeclaration getFunctionDeclarations(int index) {
-    return functionDeclarations_.get(index);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. By default, [predefined
+     * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+     * are included in the final model call. Some of them can be explicitly
+     * excluded from being automatically included. This can serve two purposes:
+     * 1. Using a more restricted / different action space.
+     * 2. Improving the definitions / instructions of predefined functions.
+     * </pre>
+     *
+     * <code>
+     * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the element to return.
+     * @return The excludedPredefinedFunctions at the given index.
+     */
+    java.lang.String getExcludedPredefinedFunctions(int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. By default, [predefined
+     * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+     * are included in the final model call. Some of them can be explicitly
+     * excluded from being automatically included. This can serve two purposes:
+     * 1. Using a more restricted / different action space.
+     * 2. Improving the definitions / instructions of predefined functions.
+     * </pre>
+     *
+     * <code>
+     * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the excludedPredefinedFunctions at the given index.
+     */
+    com.google.protobuf.ByteString getExcludedPredefinedFunctionsBytes(int index);
   }
 
   /**
    *
    *
    * <pre>
-   * Optional. Function tool type.
-   * One or more function declarations to be passed to the model along with the
-   * current user query. Model may decide to call a subset of these functions
-   * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-   * in the response. User should provide a
-   * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-   * each function call in the next turn. Based on the function responses, Model
-   * will generate the final response back to the user. Maximum 128 function
-   * declarations can be provided.
+   * Tool to support computer use.
    * </pre>
    *
-   * <code>
-   * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
+   * Protobuf type {@code google.cloud.vertexai.v1.Tool.ComputerUse}
    */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder
-      getFunctionDeclarationsOrBuilder(int index) {
-    return functionDeclarations_.get(index);
-  }
+  public static final class ComputerUse extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.Tool.ComputerUse)
+      ComputerUseOrBuilder {
+    private static final long serialVersionUID = 0L;
 
-  public static final int RETRIEVAL_FIELD_NUMBER = 2;
-  private com.google.cloud.vertexai.api.Retrieval retrieval_;
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "ComputerUse");
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Retrieval tool type.
-   * System will always execute the provided retrieval tool(s) to get external
-   * knowledge to answer the prompt. Retrieval results are presented to the
-   * model for generation.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return Whether the retrieval field is set.
-   */
-  @java.lang.Override
-  public boolean hasRetrieval() {
-    return ((bitField0_ & 0x00000001) != 0);
-  }
+    // Use ComputerUse.newBuilder() to construct.
+    private ComputerUse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Retrieval tool type.
-   * System will always execute the provided retrieval tool(s) to get external
-   * knowledge to answer the prompt. Retrieval results are presented to the
-   * model for generation.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return The retrieval.
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.Retrieval getRetrieval() {
-    return retrieval_ == null
-        ? com.google.cloud.vertexai.api.Retrieval.getDefaultInstance()
-        : retrieval_;
-  }
+    private ComputerUse() {
+      environment_ = 0;
+      excludedPredefinedFunctions_ = com.google.protobuf.LazyStringArrayList.emptyList();
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Retrieval tool type.
-   * System will always execute the provided retrieval tool(s) to get external
-   * knowledge to answer the prompt. Retrieval results are presented to the
-   * model for generation.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.RetrievalOrBuilder getRetrievalOrBuilder() {
-    return retrieval_ == null
-        ? com.google.cloud.vertexai.api.Retrieval.getDefaultInstance()
-        : retrieval_;
-  }
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_Tool_ComputerUse_descriptor;
+    }
 
-  public static final int GOOGLE_SEARCH_FIELD_NUMBER = 7;
-  private com.google.cloud.vertexai.api.Tool.GoogleSearch googleSearch_;
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_Tool_ComputerUse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.Tool.ComputerUse.class,
+              com.google.cloud.vertexai.api.Tool.ComputerUse.Builder.class);
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. GoogleSearch tool type.
-   * Tool to support Google Search in Model. Powered by Google.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return Whether the googleSearch field is set.
-   */
-  @java.lang.Override
-  public boolean hasGoogleSearch() {
-    return ((bitField0_ & 0x00000002) != 0);
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Represents the environment being operated, such as a web browser.
+     * </pre>
+     *
+     * Protobuf enum {@code google.cloud.vertexai.v1.Tool.ComputerUse.Environment}
+     */
+    public enum Environment implements com.google.protobuf.ProtocolMessageEnum {
+      /**
+       *
+       *
+       * <pre>
+       * Defaults to browser.
+       * </pre>
+       *
+       * <code>ENVIRONMENT_UNSPECIFIED = 0;</code>
+       */
+      ENVIRONMENT_UNSPECIFIED(0),
+      /**
+       *
+       *
+       * <pre>
+       * Operates in a web browser.
+       * </pre>
+       *
+       * <code>ENVIRONMENT_BROWSER = 1;</code>
+       */
+      ENVIRONMENT_BROWSER(1),
+      UNRECOGNIZED(-1),
+      ;
+
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 0,
+            /* suffix= */ "",
+            "Environment");
+      }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. GoogleSearch tool type.
-   * Tool to support Google Search in Model. Powered by Google.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return The googleSearch.
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.Tool.GoogleSearch getGoogleSearch() {
-    return googleSearch_ == null
-        ? com.google.cloud.vertexai.api.Tool.GoogleSearch.getDefaultInstance()
-        : googleSearch_;
-  }
+      /**
+       *
+       *
+       * <pre>
+       * Defaults to browser.
+       * </pre>
+       *
+       * <code>ENVIRONMENT_UNSPECIFIED = 0;</code>
+       */
+      public static final int ENVIRONMENT_UNSPECIFIED_VALUE = 0;
+
+      /**
+       *
+       *
+       * <pre>
+       * Operates in a web browser.
+       * </pre>
+       *
+       * <code>ENVIRONMENT_BROWSER = 1;</code>
+       */
+      public static final int ENVIRONMENT_BROWSER_VALUE = 1;
+
+      public final int getNumber() {
+        if (this == UNRECOGNIZED) {
+          throw new java.lang.IllegalArgumentException(
+              "Can't get the number of an unknown enum value.");
+        }
+        return value;
+      }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. GoogleSearch tool type.
-   * Tool to support Google Search in Model. Powered by Google.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.Tool.GoogleSearchOrBuilder getGoogleSearchOrBuilder() {
-    return googleSearch_ == null
-        ? com.google.cloud.vertexai.api.Tool.GoogleSearch.getDefaultInstance()
-        : googleSearch_;
-  }
+      /**
+       * @param value The numeric wire value of the corresponding enum entry.
+       * @return The enum associated with the given numeric wire value.
+       * @deprecated Use {@link #forNumber(int)} instead.
+       */
+      @java.lang.Deprecated
+      public static Environment valueOf(int value) {
+        return forNumber(value);
+      }
 
-  public static final int GOOGLE_SEARCH_RETRIEVAL_FIELD_NUMBER = 3;
-  private com.google.cloud.vertexai.api.GoogleSearchRetrieval googleSearchRetrieval_;
+      /**
+       * @param value The numeric wire value of the corresponding enum entry.
+       * @return The enum associated with the given numeric wire value.
+       */
+      public static Environment forNumber(int value) {
+        switch (value) {
+          case 0:
+            return ENVIRONMENT_UNSPECIFIED;
+          case 1:
+            return ENVIRONMENT_BROWSER;
+          default:
+            return null;
+        }
+      }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. GoogleSearchRetrieval tool type.
-   * Specialized retrieval tool that is powered by Google search.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return Whether the googleSearchRetrieval field is set.
-   */
-  @java.lang.Override
-  public boolean hasGoogleSearchRetrieval() {
-    return ((bitField0_ & 0x00000004) != 0);
-  }
+      public static com.google.protobuf.Internal.EnumLiteMap<Environment> internalGetValueMap() {
+        return internalValueMap;
+      }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. GoogleSearchRetrieval tool type.
-   * Specialized retrieval tool that is powered by Google search.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return The googleSearchRetrieval.
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.GoogleSearchRetrieval getGoogleSearchRetrieval() {
-    return googleSearchRetrieval_ == null
-        ? com.google.cloud.vertexai.api.GoogleSearchRetrieval.getDefaultInstance()
-        : googleSearchRetrieval_;
-  }
+      private static final com.google.protobuf.Internal.EnumLiteMap<Environment> internalValueMap =
+          new com.google.protobuf.Internal.EnumLiteMap<Environment>() {
+            public Environment findValueByNumber(int number) {
+              return Environment.forNumber(number);
+            }
+          };
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. GoogleSearchRetrieval tool type.
-   * Specialized retrieval tool that is powered by Google search.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.GoogleSearchRetrievalOrBuilder
-      getGoogleSearchRetrievalOrBuilder() {
-    return googleSearchRetrieval_ == null
-        ? com.google.cloud.vertexai.api.GoogleSearchRetrieval.getDefaultInstance()
-        : googleSearchRetrieval_;
-  }
+      public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+        if (this == UNRECOGNIZED) {
+          throw new java.lang.IllegalStateException(
+              "Can't get the descriptor of an unrecognized enum value.");
+        }
+        return getDescriptor().getValues().get(ordinal());
+      }
 
-  public static final int ENTERPRISE_WEB_SEARCH_FIELD_NUMBER = 6;
-  private com.google.cloud.vertexai.api.EnterpriseWebSearch enterpriseWebSearch_;
+      public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+        return getDescriptor();
+      }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Tool to support searching public web data, powered by Vertex AI
-   * Search and Sec4 compliance.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return Whether the enterpriseWebSearch field is set.
-   */
-  @java.lang.Override
-  public boolean hasEnterpriseWebSearch() {
-    return ((bitField0_ & 0x00000008) != 0);
-  }
+      public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.Tool.ComputerUse.getDescriptor().getEnumTypes().get(0);
+      }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Tool to support searching public web data, powered by Vertex AI
-   * Search and Sec4 compliance.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return The enterpriseWebSearch.
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.EnterpriseWebSearch getEnterpriseWebSearch() {
-    return enterpriseWebSearch_ == null
-        ? com.google.cloud.vertexai.api.EnterpriseWebSearch.getDefaultInstance()
-        : enterpriseWebSearch_;
-  }
+      private static final Environment[] VALUES = values();
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. Tool to support searching public web data, powered by Vertex AI
-   * Search and Sec4 compliance.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.EnterpriseWebSearchOrBuilder
-      getEnterpriseWebSearchOrBuilder() {
-    return enterpriseWebSearch_ == null
-        ? com.google.cloud.vertexai.api.EnterpriseWebSearch.getDefaultInstance()
-        : enterpriseWebSearch_;
-  }
+      public static Environment valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+        if (desc.getType() != getDescriptor()) {
+          throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+        }
+        if (desc.getIndex() == -1) {
+          return UNRECOGNIZED;
+        }
+        return VALUES[desc.getIndex()];
+      }
 
-  public static final int CODE_EXECUTION_FIELD_NUMBER = 4;
-  private com.google.cloud.vertexai.api.Tool.CodeExecution codeExecution_;
+      private final int value;
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. CodeExecution tool type.
-   * Enables the model to execute code as part of generation.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return Whether the codeExecution field is set.
-   */
-  @java.lang.Override
-  public boolean hasCodeExecution() {
-    return ((bitField0_ & 0x00000010) != 0);
-  }
+      private Environment(int value) {
+        this.value = value;
+      }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. CodeExecution tool type.
-   * Enables the model to execute code as part of generation.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   *
-   * @return The codeExecution.
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.Tool.CodeExecution getCodeExecution() {
-    return codeExecution_ == null
-        ? com.google.cloud.vertexai.api.Tool.CodeExecution.getDefaultInstance()
-        : codeExecution_;
-  }
+      // @@protoc_insertion_point(enum_scope:google.cloud.vertexai.v1.Tool.ComputerUse.Environment)
+    }
 
-  /**
-   *
-   *
-   * <pre>
-   * Optional. CodeExecution tool type.
-   * Enables the model to execute code as part of generation.
-   * </pre>
-   *
-   * <code>
-   * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
-   * </code>
-   */
-  @java.lang.Override
-  public com.google.cloud.vertexai.api.Tool.CodeExecutionOrBuilder getCodeExecutionOrBuilder() {
-    return codeExecution_ == null
-        ? com.google.cloud.vertexai.api.Tool.CodeExecution.getDefaultInstance()
-        : codeExecution_;
-  }
+    public static final int ENVIRONMENT_FIELD_NUMBER = 1;
+    private int environment_ = 0;
 
-  private byte memoizedIsInitialized = -1;
+    /**
+     *
+     *
+     * <pre>
+     * Required. The environment being operated.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.Tool.ComputerUse.Environment environment = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for environment.
+     */
+    @java.lang.Override
+    public int getEnvironmentValue() {
+      return environment_;
+    }
 
-  @java.lang.Override
-  public final boolean isInitialized() {
-    byte isInitialized = memoizedIsInitialized;
-    if (isInitialized == 1) return true;
-    if (isInitialized == 0) return false;
+    /**
+     *
+     *
+     * <pre>
+     * Required. The environment being operated.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.Tool.ComputerUse.Environment environment = 1 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The environment.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.Tool.ComputerUse.Environment getEnvironment() {
+      com.google.cloud.vertexai.api.Tool.ComputerUse.Environment result =
+          com.google.cloud.vertexai.api.Tool.ComputerUse.Environment.forNumber(environment_);
+      return result == null
+          ? com.google.cloud.vertexai.api.Tool.ComputerUse.Environment.UNRECOGNIZED
+          : result;
+    }
 
-    memoizedIsInitialized = 1;
-    return true;
-  }
+    public static final int EXCLUDED_PREDEFINED_FUNCTIONS_FIELD_NUMBER = 2;
 
-  @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    for (int i = 0; i < functionDeclarations_.size(); i++) {
-      output.writeMessage(1, functionDeclarations_.get(i));
+    @SuppressWarnings("serial")
+    private com.google.protobuf.LazyStringArrayList excludedPredefinedFunctions_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. By default, [predefined
+     * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+     * are included in the final model call. Some of them can be explicitly
+     * excluded from being automatically included. This can serve two purposes:
+     * 1. Using a more restricted / different action space.
+     * 2. Improving the definitions / instructions of predefined functions.
+     * </pre>
+     *
+     * <code>
+     * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return A list containing the excludedPredefinedFunctions.
+     */
+    public com.google.protobuf.ProtocolStringList getExcludedPredefinedFunctionsList() {
+      return excludedPredefinedFunctions_;
     }
-    if (((bitField0_ & 0x00000001) != 0)) {
-      output.writeMessage(2, getRetrieval());
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. By default, [predefined
+     * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+     * are included in the final model call. Some of them can be explicitly
+     * excluded from being automatically included. This can serve two purposes:
+     * 1. Using a more restricted / different action space.
+     * 2. Improving the definitions / instructions of predefined functions.
+     * </pre>
+     *
+     * <code>
+     * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The count of excludedPredefinedFunctions.
+     */
+    public int getExcludedPredefinedFunctionsCount() {
+      return excludedPredefinedFunctions_.size();
     }
-    if (((bitField0_ & 0x00000004) != 0)) {
-      output.writeMessage(3, getGoogleSearchRetrieval());
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. By default, [predefined
+     * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+     * are included in the final model call. Some of them can be explicitly
+     * excluded from being automatically included. This can serve two purposes:
+     * 1. Using a more restricted / different action space.
+     * 2. Improving the definitions / instructions of predefined functions.
+     * </pre>
+     *
+     * <code>
+     * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the element to return.
+     * @return The excludedPredefinedFunctions at the given index.
+     */
+    public java.lang.String getExcludedPredefinedFunctions(int index) {
+      return excludedPredefinedFunctions_.get(index);
     }
-    if (((bitField0_ & 0x00000010) != 0)) {
-      output.writeMessage(4, getCodeExecution());
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. By default, [predefined
+     * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+     * are included in the final model call. Some of them can be explicitly
+     * excluded from being automatically included. This can serve two purposes:
+     * 1. Using a more restricted / different action space.
+     * 2. Improving the definitions / instructions of predefined functions.
+     * </pre>
+     *
+     * <code>
+     * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the excludedPredefinedFunctions at the given index.
+     */
+    public com.google.protobuf.ByteString getExcludedPredefinedFunctionsBytes(int index) {
+      return excludedPredefinedFunctions_.getByteString(index);
     }
-    if (((bitField0_ & 0x00000008) != 0)) {
-      output.writeMessage(6, getEnterpriseWebSearch());
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
     }
-    if (((bitField0_ & 0x00000002) != 0)) {
-      output.writeMessage(7, getGoogleSearch());
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (environment_
+          != com.google.cloud.vertexai.api.Tool.ComputerUse.Environment.ENVIRONMENT_UNSPECIFIED
+              .getNumber()) {
+        output.writeEnum(1, environment_);
+      }
+      for (int i = 0; i < excludedPredefinedFunctions_.size(); i++) {
+        com.google.protobuf.GeneratedMessage.writeString(
+            output, 2, excludedPredefinedFunctions_.getRaw(i));
+      }
+      getUnknownFields().writeTo(output);
     }
-    getUnknownFields().writeTo(output);
-  }
 
-  @java.lang.Override
-  public int getSerializedSize() {
-    int size = memoizedSize;
-    if (size != -1) return size;
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
 
-    size = 0;
-    for (int i = 0; i < functionDeclarations_.size(); i++) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(1, functionDeclarations_.get(i));
+      size = 0;
+      if (environment_
+          != com.google.cloud.vertexai.api.Tool.ComputerUse.Environment.ENVIRONMENT_UNSPECIFIED
+              .getNumber()) {
+        size += com.google.protobuf.CodedOutputStream.computeEnumSize(1, environment_);
+      }
+      {
+        int dataSize = 0;
+        for (int i = 0; i < excludedPredefinedFunctions_.size(); i++) {
+          dataSize += computeStringSizeNoTag(excludedPredefinedFunctions_.getRaw(i));
+        }
+        size += dataSize;
+        size += 1 * getExcludedPredefinedFunctionsList().size();
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
     }
-    if (((bitField0_ & 0x00000001) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getRetrieval());
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.vertexai.api.Tool.ComputerUse)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.vertexai.api.Tool.ComputerUse other =
+          (com.google.cloud.vertexai.api.Tool.ComputerUse) obj;
+
+      if (environment_ != other.environment_) return false;
+      if (!getExcludedPredefinedFunctionsList().equals(other.getExcludedPredefinedFunctionsList()))
+        return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
     }
-    if (((bitField0_ & 0x00000004) != 0)) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(3, getGoogleSearchRetrieval());
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + ENVIRONMENT_FIELD_NUMBER;
+      hash = (53 * hash) + environment_;
+      if (getExcludedPredefinedFunctionsCount() > 0) {
+        hash = (37 * hash) + EXCLUDED_PREDEFINED_FUNCTIONS_FIELD_NUMBER;
+        hash = (53 * hash) + getExcludedPredefinedFunctionsList().hashCode();
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
     }
-    if (((bitField0_ & 0x00000010) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getCodeExecution());
+
+    public static com.google.cloud.vertexai.api.Tool.ComputerUse parseFrom(java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
     }
-    if (((bitField0_ & 0x00000008) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getEnterpriseWebSearch());
+
+    public static com.google.cloud.vertexai.api.Tool.ComputerUse parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
     }
-    if (((bitField0_ & 0x00000002) != 0)) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(7, getGoogleSearch());
+
+    public static com.google.cloud.vertexai.api.Tool.ComputerUse parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
     }
-    size += getUnknownFields().getSerializedSize();
-    memoizedSize = size;
-    return size;
-  }
 
-  @java.lang.Override
-  public boolean equals(final java.lang.Object obj) {
-    if (obj == this) {
-      return true;
+    public static com.google.cloud.vertexai.api.Tool.ComputerUse parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
     }
-    if (!(obj instanceof com.google.cloud.vertexai.api.Tool)) {
-      return super.equals(obj);
+
+    public static com.google.cloud.vertexai.api.Tool.ComputerUse parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
     }
-    com.google.cloud.vertexai.api.Tool other = (com.google.cloud.vertexai.api.Tool) obj;
 
-    if (!getFunctionDeclarationsList().equals(other.getFunctionDeclarationsList())) return false;
-    if (hasRetrieval() != other.hasRetrieval()) return false;
-    if (hasRetrieval()) {
-      if (!getRetrieval().equals(other.getRetrieval())) return false;
+    public static com.google.cloud.vertexai.api.Tool.ComputerUse parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
     }
-    if (hasGoogleSearch() != other.hasGoogleSearch()) return false;
-    if (hasGoogleSearch()) {
-      if (!getGoogleSearch().equals(other.getGoogleSearch())) return false;
+
+    public static com.google.cloud.vertexai.api.Tool.ComputerUse parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
-    if (hasGoogleSearchRetrieval() != other.hasGoogleSearchRetrieval()) return false;
-    if (hasGoogleSearchRetrieval()) {
-      if (!getGoogleSearchRetrieval().equals(other.getGoogleSearchRetrieval())) return false;
+
+    public static com.google.cloud.vertexai.api.Tool.ComputerUse parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
     }
-    if (hasEnterpriseWebSearch() != other.hasEnterpriseWebSearch()) return false;
-    if (hasEnterpriseWebSearch()) {
-      if (!getEnterpriseWebSearch().equals(other.getEnterpriseWebSearch())) return false;
+
+    public static com.google.cloud.vertexai.api.Tool.ComputerUse parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
-    if (hasCodeExecution() != other.hasCodeExecution()) return false;
-    if (hasCodeExecution()) {
-      if (!getCodeExecution().equals(other.getCodeExecution())) return false;
+
+    public static com.google.cloud.vertexai.api.Tool.ComputerUse parseDelimitedFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
     }
-    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
-    return true;
-  }
 
-  @java.lang.Override
-  public int hashCode() {
-    if (memoizedHashCode != 0) {
-      return memoizedHashCode;
+    public static com.google.cloud.vertexai.api.Tool.ComputerUse parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
-    int hash = 41;
-    hash = (19 * hash) + getDescriptor().hashCode();
-    if (getFunctionDeclarationsCount() > 0) {
-      hash = (37 * hash) + FUNCTION_DECLARATIONS_FIELD_NUMBER;
-      hash = (53 * hash) + getFunctionDeclarationsList().hashCode();
+
+    public static com.google.cloud.vertexai.api.Tool.ComputerUse parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
     }
-    if (hasRetrieval()) {
-      hash = (37 * hash) + RETRIEVAL_FIELD_NUMBER;
-      hash = (53 * hash) + getRetrieval().hashCode();
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
     }
-    if (hasGoogleSearch()) {
-      hash = (37 * hash) + GOOGLE_SEARCH_FIELD_NUMBER;
-      hash = (53 * hash) + getGoogleSearch().hashCode();
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
     }
-    if (hasGoogleSearchRetrieval()) {
-      hash = (37 * hash) + GOOGLE_SEARCH_RETRIEVAL_FIELD_NUMBER;
-      hash = (53 * hash) + getGoogleSearchRetrieval().hashCode();
+
+    public static Builder newBuilder(com.google.cloud.vertexai.api.Tool.ComputerUse prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
-    if (hasEnterpriseWebSearch()) {
-      hash = (37 * hash) + ENTERPRISE_WEB_SEARCH_FIELD_NUMBER;
-      hash = (53 * hash) + getEnterpriseWebSearch().hashCode();
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
     }
-    if (hasCodeExecution()) {
-      hash = (37 * hash) + CODE_EXECUTION_FIELD_NUMBER;
-      hash = (53 * hash) + getCodeExecution().hashCode();
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
     }
-    hash = (29 * hash) + getUnknownFields().hashCode();
-    memoizedHashCode = hash;
-    return hash;
-  }
 
-  public static com.google.cloud.vertexai.api.Tool parseFrom(java.nio.ByteBuffer data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
+    /**
+     *
+     *
+     * <pre>
+     * Tool to support computer use.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.vertexai.v1.Tool.ComputerUse}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Tool.ComputerUse)
+        com.google.cloud.vertexai.api.Tool.ComputerUseOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.ToolProto
+            .internal_static_google_cloud_vertexai_v1_Tool_ComputerUse_descriptor;
+      }
 
-  public static com.google.cloud.vertexai.api.Tool parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.vertexai.api.ToolProto
+            .internal_static_google_cloud_vertexai_v1_Tool_ComputerUse_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.vertexai.api.Tool.ComputerUse.class,
+                com.google.cloud.vertexai.api.Tool.ComputerUse.Builder.class);
+      }
 
-  public static com.google.cloud.vertexai.api.Tool parseFrom(com.google.protobuf.ByteString data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
+      // Construct using com.google.cloud.vertexai.api.Tool.ComputerUse.newBuilder()
+      private Builder() {}
 
-  public static com.google.cloud.vertexai.api.Tool parseFrom(
-      com.google.protobuf.ByteString data,
-      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
 
-  public static com.google.cloud.vertexai.api.Tool parseFrom(byte[] data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        environment_ = 0;
+        excludedPredefinedFunctions_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        return this;
+      }
 
-  public static com.google.cloud.vertexai.api.Tool parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.vertexai.api.ToolProto
+            .internal_static_google_cloud_vertexai_v1_Tool_ComputerUse_descriptor;
+      }
 
-  public static com.google.cloud.vertexai.api.Tool parseFrom(java.io.InputStream input)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
-  }
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.Tool.ComputerUse getDefaultInstanceForType() {
+        return com.google.cloud.vertexai.api.Tool.ComputerUse.getDefaultInstance();
+      }
 
-  public static com.google.cloud.vertexai.api.Tool parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
-  }
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.Tool.ComputerUse build() {
+        com.google.cloud.vertexai.api.Tool.ComputerUse result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
 
-  public static com.google.cloud.vertexai.api.Tool parseDelimitedFrom(java.io.InputStream input)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
-  }
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.Tool.ComputerUse buildPartial() {
+        com.google.cloud.vertexai.api.Tool.ComputerUse result =
+            new com.google.cloud.vertexai.api.Tool.ComputerUse(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
 
-  public static com.google.cloud.vertexai.api.Tool parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
-  }
+      private void buildPartial0(com.google.cloud.vertexai.api.Tool.ComputerUse result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.environment_ = environment_;
+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          excludedPredefinedFunctions_.makeImmutable();
+          result.excludedPredefinedFunctions_ = excludedPredefinedFunctions_;
+        }
+      }
 
-  public static com.google.cloud.vertexai.api.Tool parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
-  }
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.vertexai.api.Tool.ComputerUse) {
+          return mergeFrom((com.google.cloud.vertexai.api.Tool.ComputerUse) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
 
-  public static com.google.cloud.vertexai.api.Tool parseFrom(
-      com.google.protobuf.CodedInputStream input,
-      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
-  }
+      public Builder mergeFrom(com.google.cloud.vertexai.api.Tool.ComputerUse other) {
+        if (other == com.google.cloud.vertexai.api.Tool.ComputerUse.getDefaultInstance())
+          return this;
+        if (other.environment_ != 0) {
+          setEnvironmentValue(other.getEnvironmentValue());
+        }
+        if (!other.excludedPredefinedFunctions_.isEmpty()) {
+          if (excludedPredefinedFunctions_.isEmpty()) {
+            excludedPredefinedFunctions_ = other.excludedPredefinedFunctions_;
+            bitField0_ |= 0x00000002;
+          } else {
+            ensureExcludedPredefinedFunctionsIsMutable();
+            excludedPredefinedFunctions_.addAll(other.excludedPredefinedFunctions_);
+          }
+          onChanged();
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
 
-  @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
 
-  public static Builder newBuilder() {
-    return DEFAULT_INSTANCE.toBuilder();
-  }
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 8:
+                {
+                  environment_ = input.readEnum();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 8
+              case 18:
+                {
+                  java.lang.String s = input.readStringRequireUtf8();
+                  ensureExcludedPredefinedFunctionsIsMutable();
+                  excludedPredefinedFunctions_.add(s);
+                  break;
+                } // case 18
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
 
-  public static Builder newBuilder(com.google.cloud.vertexai.api.Tool prototype) {
-    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
-  }
+      private int bitField0_;
+
+      private int environment_ = 0;
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The environment being operated.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.vertexai.v1.Tool.ComputerUse.Environment environment = 1 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       *
+       * @return The enum numeric value on the wire for environment.
+       */
+      @java.lang.Override
+      public int getEnvironmentValue() {
+        return environment_;
+      }
 
-  @java.lang.Override
-  public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
-  }
+      /**
+       *
+       *
+       * <pre>
+       * Required. The environment being operated.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.vertexai.v1.Tool.ComputerUse.Environment environment = 1 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       *
+       * @param value The enum numeric value on the wire for environment to set.
+       * @return This builder for chaining.
+       */
+      public Builder setEnvironmentValue(int value) {
+        environment_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
 
-  @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-    Builder builder = new Builder(parent);
-    return builder;
-  }
+      /**
+       *
+       *
+       * <pre>
+       * Required. The environment being operated.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.vertexai.v1.Tool.ComputerUse.Environment environment = 1 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       *
+       * @return The environment.
+       */
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.Tool.ComputerUse.Environment getEnvironment() {
+        com.google.cloud.vertexai.api.Tool.ComputerUse.Environment result =
+            com.google.cloud.vertexai.api.Tool.ComputerUse.Environment.forNumber(environment_);
+        return result == null
+            ? com.google.cloud.vertexai.api.Tool.ComputerUse.Environment.UNRECOGNIZED
+            : result;
+      }
 
-  /**
-   *
-   *
-   * <pre>
-   * Tool details that the model may use to generate response.
-   *
-   * A `Tool` is a piece of code that enables the system to interact with
-   * external systems to perform an action, or set of actions, outside of
-   * knowledge and scope of the model. A Tool object should contain exactly
-   * one type of Tool (e.g FunctionDeclaration, Retrieval or
-   * GoogleSearchRetrieval).
-   * </pre>
-   *
-   * Protobuf type {@code google.cloud.vertexai.v1.Tool}
-   */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
-      implements
-      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Tool)
-      com.google.cloud.vertexai.api.ToolOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.cloud.vertexai.api.ToolProto
-          .internal_static_google_cloud_vertexai_v1_Tool_descriptor;
+      /**
+       *
+       *
+       * <pre>
+       * Required. The environment being operated.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.vertexai.v1.Tool.ComputerUse.Environment environment = 1 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       *
+       * @param value The environment to set.
+       * @return This builder for chaining.
+       */
+      public Builder setEnvironment(
+          com.google.cloud.vertexai.api.Tool.ComputerUse.Environment value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        bitField0_ |= 0x00000001;
+        environment_ = value.getNumber();
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Required. The environment being operated.
+       * </pre>
+       *
+       * <code>
+       * .google.cloud.vertexai.v1.Tool.ComputerUse.Environment environment = 1 [(.google.api.field_behavior) = REQUIRED];
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearEnvironment() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        environment_ = 0;
+        onChanged();
+        return this;
+      }
+
+      private com.google.protobuf.LazyStringArrayList excludedPredefinedFunctions_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+
+      private void ensureExcludedPredefinedFunctionsIsMutable() {
+        if (!excludedPredefinedFunctions_.isModifiable()) {
+          excludedPredefinedFunctions_ =
+              new com.google.protobuf.LazyStringArrayList(excludedPredefinedFunctions_);
+        }
+        bitField0_ |= 0x00000002;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. By default, [predefined
+       * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+       * are included in the final model call. Some of them can be explicitly
+       * excluded from being automatically included. This can serve two purposes:
+       * 1. Using a more restricted / different action space.
+       * 2. Improving the definitions / instructions of predefined functions.
+       * </pre>
+       *
+       * <code>
+       * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return A list containing the excludedPredefinedFunctions.
+       */
+      public com.google.protobuf.ProtocolStringList getExcludedPredefinedFunctionsList() {
+        excludedPredefinedFunctions_.makeImmutable();
+        return excludedPredefinedFunctions_;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. By default, [predefined
+       * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+       * are included in the final model call. Some of them can be explicitly
+       * excluded from being automatically included. This can serve two purposes:
+       * 1. Using a more restricted / different action space.
+       * 2. Improving the definitions / instructions of predefined functions.
+       * </pre>
+       *
+       * <code>
+       * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return The count of excludedPredefinedFunctions.
+       */
+      public int getExcludedPredefinedFunctionsCount() {
+        return excludedPredefinedFunctions_.size();
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. By default, [predefined
+       * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+       * are included in the final model call. Some of them can be explicitly
+       * excluded from being automatically included. This can serve two purposes:
+       * 1. Using a more restricted / different action space.
+       * 2. Improving the definitions / instructions of predefined functions.
+       * </pre>
+       *
+       * <code>
+       * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param index The index of the element to return.
+       * @return The excludedPredefinedFunctions at the given index.
+       */
+      public java.lang.String getExcludedPredefinedFunctions(int index) {
+        return excludedPredefinedFunctions_.get(index);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. By default, [predefined
+       * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+       * are included in the final model call. Some of them can be explicitly
+       * excluded from being automatically included. This can serve two purposes:
+       * 1. Using a more restricted / different action space.
+       * 2. Improving the definitions / instructions of predefined functions.
+       * </pre>
+       *
+       * <code>
+       * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param index The index of the value to return.
+       * @return The bytes of the excludedPredefinedFunctions at the given index.
+       */
+      public com.google.protobuf.ByteString getExcludedPredefinedFunctionsBytes(int index) {
+        return excludedPredefinedFunctions_.getByteString(index);
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. By default, [predefined
+       * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+       * are included in the final model call. Some of them can be explicitly
+       * excluded from being automatically included. This can serve two purposes:
+       * 1. Using a more restricted / different action space.
+       * 2. Improving the definitions / instructions of predefined functions.
+       * </pre>
+       *
+       * <code>
+       * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param index The index to set the value at.
+       * @param value The excludedPredefinedFunctions to set.
+       * @return This builder for chaining.
+       */
+      public Builder setExcludedPredefinedFunctions(int index, java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureExcludedPredefinedFunctionsIsMutable();
+        excludedPredefinedFunctions_.set(index, value);
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. By default, [predefined
+       * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+       * are included in the final model call. Some of them can be explicitly
+       * excluded from being automatically included. This can serve two purposes:
+       * 1. Using a more restricted / different action space.
+       * 2. Improving the definitions / instructions of predefined functions.
+       * </pre>
+       *
+       * <code>
+       * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param value The excludedPredefinedFunctions to add.
+       * @return This builder for chaining.
+       */
+      public Builder addExcludedPredefinedFunctions(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureExcludedPredefinedFunctionsIsMutable();
+        excludedPredefinedFunctions_.add(value);
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. By default, [predefined
+       * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+       * are included in the final model call. Some of them can be explicitly
+       * excluded from being automatically included. This can serve two purposes:
+       * 1. Using a more restricted / different action space.
+       * 2. Improving the definitions / instructions of predefined functions.
+       * </pre>
+       *
+       * <code>
+       * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param values The excludedPredefinedFunctions to add.
+       * @return This builder for chaining.
+       */
+      public Builder addAllExcludedPredefinedFunctions(
+          java.lang.Iterable<java.lang.String> values) {
+        ensureExcludedPredefinedFunctionsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, excludedPredefinedFunctions_);
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. By default, [predefined
+       * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+       * are included in the final model call. Some of them can be explicitly
+       * excluded from being automatically included. This can serve two purposes:
+       * 1. Using a more restricted / different action space.
+       * 2. Improving the definitions / instructions of predefined functions.
+       * </pre>
+       *
+       * <code>
+       * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearExcludedPredefinedFunctions() {
+        excludedPredefinedFunctions_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000002);
+        ;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. By default, [predefined
+       * functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+       * are included in the final model call. Some of them can be explicitly
+       * excluded from being automatically included. This can serve two purposes:
+       * 1. Using a more restricted / different action space.
+       * 2. Improving the definitions / instructions of predefined functions.
+       * </pre>
+       *
+       * <code>
+       * repeated string excluded_predefined_functions = 2 [(.google.api.field_behavior) = OPTIONAL];
+       * </code>
+       *
+       * @param value The bytes of the excludedPredefinedFunctions to add.
+       * @return This builder for chaining.
+       */
+      public Builder addExcludedPredefinedFunctionsBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        ensureExcludedPredefinedFunctionsIsMutable();
+        excludedPredefinedFunctions_.add(value);
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Tool.ComputerUse)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.Tool.ComputerUse)
+    private static final com.google.cloud.vertexai.api.Tool.ComputerUse DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.Tool.ComputerUse();
+    }
+
+    public static com.google.cloud.vertexai.api.Tool.ComputerUse getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<ComputerUse> PARSER =
+        new com.google.protobuf.AbstractParser<ComputerUse>() {
+          @java.lang.Override
+          public ComputerUse parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<ComputerUse> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<ComputerUse> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.Tool.ComputerUse getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  private int bitField0_;
+  public static final int FUNCTION_DECLARATIONS_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.vertexai.api.FunctionDeclaration> functionDeclarations_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Function tool type.
+   * One or more function declarations to be passed to the model along with the
+   * current user query. Model may decide to call a subset of these functions
+   * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+   * in the response. User should provide a
+   * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+   * each function call in the next turn. Based on the function responses, Model
+   * will generate the final response back to the user. Maximum 128 function
+   * declarations can be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.vertexai.api.FunctionDeclaration>
+      getFunctionDeclarationsList() {
+    return functionDeclarations_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Function tool type.
+   * One or more function declarations to be passed to the model along with the
+   * current user query. Model may decide to call a subset of these functions
+   * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+   * in the response. User should provide a
+   * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+   * each function call in the next turn. Based on the function responses, Model
+   * will generate the final response back to the user. Maximum 128 function
+   * declarations can be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder>
+      getFunctionDeclarationsOrBuilderList() {
+    return functionDeclarations_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Function tool type.
+   * One or more function declarations to be passed to the model along with the
+   * current user query. Model may decide to call a subset of these functions
+   * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+   * in the response. User should provide a
+   * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+   * each function call in the next turn. Based on the function responses, Model
+   * will generate the final response back to the user. Maximum 128 function
+   * declarations can be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public int getFunctionDeclarationsCount() {
+    return functionDeclarations_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Function tool type.
+   * One or more function declarations to be passed to the model along with the
+   * current user query. Model may decide to call a subset of these functions
+   * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+   * in the response. User should provide a
+   * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+   * each function call in the next turn. Based on the function responses, Model
+   * will generate the final response back to the user. Maximum 128 function
+   * declarations can be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.FunctionDeclaration getFunctionDeclarations(int index) {
+    return functionDeclarations_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Function tool type.
+   * One or more function declarations to be passed to the model along with the
+   * current user query. Model may decide to call a subset of these functions
+   * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+   * in the response. User should provide a
+   * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+   * each function call in the next turn. Based on the function responses, Model
+   * will generate the final response back to the user. Maximum 128 function
+   * declarations can be provided.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder
+      getFunctionDeclarationsOrBuilder(int index) {
+    return functionDeclarations_.get(index);
+  }
+
+  public static final int RETRIEVAL_FIELD_NUMBER = 2;
+  private com.google.cloud.vertexai.api.Retrieval retrieval_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Retrieval tool type.
+   * System will always execute the provided retrieval tool(s) to get external
+   * knowledge to answer the prompt. Retrieval results are presented to the
+   * model for generation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the retrieval field is set.
+   */
+  @java.lang.Override
+  public boolean hasRetrieval() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Retrieval tool type.
+   * System will always execute the provided retrieval tool(s) to get external
+   * knowledge to answer the prompt. Retrieval results are presented to the
+   * model for generation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The retrieval.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.Retrieval getRetrieval() {
+    return retrieval_ == null
+        ? com.google.cloud.vertexai.api.Retrieval.getDefaultInstance()
+        : retrieval_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Retrieval tool type.
+   * System will always execute the provided retrieval tool(s) to get external
+   * knowledge to answer the prompt. Retrieval results are presented to the
+   * model for generation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RetrievalOrBuilder getRetrievalOrBuilder() {
+    return retrieval_ == null
+        ? com.google.cloud.vertexai.api.Retrieval.getDefaultInstance()
+        : retrieval_;
+  }
+
+  public static final int GOOGLE_SEARCH_FIELD_NUMBER = 7;
+  private com.google.cloud.vertexai.api.Tool.GoogleSearch googleSearch_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. GoogleSearch tool type.
+   * Tool to support Google Search in Model. Powered by Google.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the googleSearch field is set.
+   */
+  @java.lang.Override
+  public boolean hasGoogleSearch() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. GoogleSearch tool type.
+   * Tool to support Google Search in Model. Powered by Google.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The googleSearch.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.Tool.GoogleSearch getGoogleSearch() {
+    return googleSearch_ == null
+        ? com.google.cloud.vertexai.api.Tool.GoogleSearch.getDefaultInstance()
+        : googleSearch_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. GoogleSearch tool type.
+   * Tool to support Google Search in Model. Powered by Google.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.Tool.GoogleSearchOrBuilder getGoogleSearchOrBuilder() {
+    return googleSearch_ == null
+        ? com.google.cloud.vertexai.api.Tool.GoogleSearch.getDefaultInstance()
+        : googleSearch_;
+  }
+
+  public static final int GOOGLE_SEARCH_RETRIEVAL_FIELD_NUMBER = 3;
+  private com.google.cloud.vertexai.api.GoogleSearchRetrieval googleSearchRetrieval_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. GoogleSearchRetrieval tool type.
+   * Specialized retrieval tool that is powered by Google search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the googleSearchRetrieval field is set.
+   */
+  @java.lang.Override
+  public boolean hasGoogleSearchRetrieval() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. GoogleSearchRetrieval tool type.
+   * Specialized retrieval tool that is powered by Google search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The googleSearchRetrieval.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GoogleSearchRetrieval getGoogleSearchRetrieval() {
+    return googleSearchRetrieval_ == null
+        ? com.google.cloud.vertexai.api.GoogleSearchRetrieval.getDefaultInstance()
+        : googleSearchRetrieval_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. GoogleSearchRetrieval tool type.
+   * Specialized retrieval tool that is powered by Google search.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GoogleSearchRetrievalOrBuilder
+      getGoogleSearchRetrievalOrBuilder() {
+    return googleSearchRetrieval_ == null
+        ? com.google.cloud.vertexai.api.GoogleSearchRetrieval.getDefaultInstance()
+        : googleSearchRetrieval_;
+  }
+
+  public static final int GOOGLE_MAPS_FIELD_NUMBER = 5;
+  private com.google.cloud.vertexai.api.GoogleMaps googleMaps_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. GoogleMaps tool type.
+   * Tool to support Google Maps in Model.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the googleMaps field is set.
+   */
+  @java.lang.Override
+  public boolean hasGoogleMaps() {
+    return ((bitField0_ & 0x00000008) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. GoogleMaps tool type.
+   * Tool to support Google Maps in Model.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The googleMaps.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GoogleMaps getGoogleMaps() {
+    return googleMaps_ == null
+        ? com.google.cloud.vertexai.api.GoogleMaps.getDefaultInstance()
+        : googleMaps_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. GoogleMaps tool type.
+   * Tool to support Google Maps in Model.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.GoogleMapsOrBuilder getGoogleMapsOrBuilder() {
+    return googleMaps_ == null
+        ? com.google.cloud.vertexai.api.GoogleMaps.getDefaultInstance()
+        : googleMaps_;
+  }
+
+  public static final int ENTERPRISE_WEB_SEARCH_FIELD_NUMBER = 6;
+  private com.google.cloud.vertexai.api.EnterpriseWebSearch enterpriseWebSearch_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support searching public web data, powered by Vertex AI
+   * Search and Sec4 compliance.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the enterpriseWebSearch field is set.
+   */
+  @java.lang.Override
+  public boolean hasEnterpriseWebSearch() {
+    return ((bitField0_ & 0x00000010) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support searching public web data, powered by Vertex AI
+   * Search and Sec4 compliance.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The enterpriseWebSearch.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.EnterpriseWebSearch getEnterpriseWebSearch() {
+    return enterpriseWebSearch_ == null
+        ? com.google.cloud.vertexai.api.EnterpriseWebSearch.getDefaultInstance()
+        : enterpriseWebSearch_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support searching public web data, powered by Vertex AI
+   * Search and Sec4 compliance.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.EnterpriseWebSearchOrBuilder
+      getEnterpriseWebSearchOrBuilder() {
+    return enterpriseWebSearch_ == null
+        ? com.google.cloud.vertexai.api.EnterpriseWebSearch.getDefaultInstance()
+        : enterpriseWebSearch_;
+  }
+
+  public static final int CODE_EXECUTION_FIELD_NUMBER = 4;
+  private com.google.cloud.vertexai.api.Tool.CodeExecution codeExecution_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CodeExecution tool type.
+   * Enables the model to execute code as part of generation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the codeExecution field is set.
+   */
+  @java.lang.Override
+  public boolean hasCodeExecution() {
+    return ((bitField0_ & 0x00000020) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CodeExecution tool type.
+   * Enables the model to execute code as part of generation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The codeExecution.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.Tool.CodeExecution getCodeExecution() {
+    return codeExecution_ == null
+        ? com.google.cloud.vertexai.api.Tool.CodeExecution.getDefaultInstance()
+        : codeExecution_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. CodeExecution tool type.
+   * Enables the model to execute code as part of generation.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.Tool.CodeExecutionOrBuilder getCodeExecutionOrBuilder() {
+    return codeExecution_ == null
+        ? com.google.cloud.vertexai.api.Tool.CodeExecution.getDefaultInstance()
+        : codeExecution_;
+  }
+
+  public static final int URL_CONTEXT_FIELD_NUMBER = 10;
+  private com.google.cloud.vertexai.api.UrlContext urlContext_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support URL context retrieval.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the urlContext field is set.
+   */
+  @java.lang.Override
+  public boolean hasUrlContext() {
+    return ((bitField0_ & 0x00000040) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support URL context retrieval.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The urlContext.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.UrlContext getUrlContext() {
+    return urlContext_ == null
+        ? com.google.cloud.vertexai.api.UrlContext.getDefaultInstance()
+        : urlContext_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support URL context retrieval.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.UrlContextOrBuilder getUrlContextOrBuilder() {
+    return urlContext_ == null
+        ? com.google.cloud.vertexai.api.UrlContext.getDefaultInstance()
+        : urlContext_;
+  }
+
+  public static final int COMPUTER_USE_FIELD_NUMBER = 11;
+  private com.google.cloud.vertexai.api.Tool.ComputerUse computerUse_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support the model interacting directly with the computer.
+   * If enabled, it automatically populates computer-use specific Function
+   * Declarations.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the computerUse field is set.
+   */
+  @java.lang.Override
+  public boolean hasComputerUse() {
+    return ((bitField0_ & 0x00000080) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support the model interacting directly with the computer.
+   * If enabled, it automatically populates computer-use specific Function
+   * Declarations.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The computerUse.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.Tool.ComputerUse getComputerUse() {
+    return computerUse_ == null
+        ? com.google.cloud.vertexai.api.Tool.ComputerUse.getDefaultInstance()
+        : computerUse_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support the model interacting directly with the computer.
+   * If enabled, it automatically populates computer-use specific Function
+   * Declarations.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.Tool.ComputerUseOrBuilder getComputerUseOrBuilder() {
+    return computerUse_ == null
+        ? com.google.cloud.vertexai.api.Tool.ComputerUse.getDefaultInstance()
+        : computerUse_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    for (int i = 0; i < functionDeclarations_.size(); i++) {
+      output.writeMessage(1, functionDeclarations_.get(i));
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(2, getRetrieval());
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      output.writeMessage(3, getGoogleSearchRetrieval());
+    }
+    if (((bitField0_ & 0x00000020) != 0)) {
+      output.writeMessage(4, getCodeExecution());
+    }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      output.writeMessage(5, getGoogleMaps());
+    }
+    if (((bitField0_ & 0x00000010) != 0)) {
+      output.writeMessage(6, getEnterpriseWebSearch());
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(7, getGoogleSearch());
+    }
+    if (((bitField0_ & 0x00000040) != 0)) {
+      output.writeMessage(10, getUrlContext());
+    }
+    if (((bitField0_ & 0x00000080) != 0)) {
+      output.writeMessage(11, getComputerUse());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    for (int i = 0; i < functionDeclarations_.size(); i++) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(1, functionDeclarations_.get(i));
+    }
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getRetrieval());
+    }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(3, getGoogleSearchRetrieval());
+    }
+    if (((bitField0_ & 0x00000020) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getCodeExecution());
+    }
+    if (((bitField0_ & 0x00000008) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(5, getGoogleMaps());
+    }
+    if (((bitField0_ & 0x00000010) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getEnterpriseWebSearch());
+    }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(7, getGoogleSearch());
+    }
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+    if (hasGoogleMaps()) {
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+    }
+    if (hasEnterpriseWebSearch() != other.hasEnterpriseWebSearch()) return false;
+    if (hasEnterpriseWebSearch()) {
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+    }
+    if (hasCodeExecution() != other.hasCodeExecution()) return false;
+    if (hasCodeExecution()) {
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+    if (hasUrlContext() != other.hasUrlContext()) return false;
+    if (hasUrlContext()) {
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+    }
+    if (hasComputerUse() != other.hasComputerUse()) return false;
+    if (hasComputerUse()) {
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+    }
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+    return true;
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+    return PARSER.parseFrom(data);
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+
+  public static com.google.cloud.vertexai.api.Tool parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.Tool parseFrom(com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.Tool parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
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+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.Tool parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
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+  public static com.google.cloud.vertexai.api.Tool parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.Tool parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.Tool parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.Tool parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
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+
+  public static com.google.cloud.vertexai.api.Tool parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.Tool parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
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+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.Tool prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Tool details that the model may use to generate response.
+   *
+   * A `Tool` is a piece of code that enables the system to interact with
+   * external systems to perform an action, or set of actions, outside of
+   * knowledge and scope of the model. A Tool object should contain exactly
+   * one type of Tool (e.g FunctionDeclaration, Retrieval or
+   * GoogleSearchRetrieval).
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.Tool}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.Tool)
+      com.google.cloud.vertexai.api.ToolOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_Tool_descriptor;
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+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
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+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.Tool.class,
+              com.google.cloud.vertexai.api.Tool.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.Tool.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
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+        internalGetRetrievalFieldBuilder();
+        internalGetGoogleSearchFieldBuilder();
+        internalGetGoogleSearchRetrievalFieldBuilder();
+        internalGetGoogleMapsFieldBuilder();
+        internalGetEnterpriseWebSearchFieldBuilder();
+        internalGetCodeExecutionFieldBuilder();
+        internalGetUrlContextFieldBuilder();
+        internalGetComputerUseFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (functionDeclarationsBuilder_ == null) {
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+      bitField0_ = (bitField0_ & ~0x00000001);
+      retrieval_ = null;
+      if (retrievalBuilder_ != null) {
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+        retrievalBuilder_ = null;
+      }
+      googleSearch_ = null;
+      if (googleSearchBuilder_ != null) {
+        googleSearchBuilder_.dispose();
+        googleSearchBuilder_ = null;
+      }
+      googleSearchRetrieval_ = null;
+      if (googleSearchRetrievalBuilder_ != null) {
+        googleSearchRetrievalBuilder_.dispose();
+        googleSearchRetrievalBuilder_ = null;
+      }
+      googleMaps_ = null;
+      if (googleMapsBuilder_ != null) {
+        googleMapsBuilder_.dispose();
+        googleMapsBuilder_ = null;
+      }
+      enterpriseWebSearch_ = null;
+      if (enterpriseWebSearchBuilder_ != null) {
+        enterpriseWebSearchBuilder_.dispose();
+        enterpriseWebSearchBuilder_ = null;
+      }
+      codeExecution_ = null;
+      if (codeExecutionBuilder_ != null) {
+        codeExecutionBuilder_.dispose();
+        codeExecutionBuilder_ = null;
+      }
+      urlContext_ = null;
+      if (urlContextBuilder_ != null) {
+        urlContextBuilder_.dispose();
+        urlContextBuilder_ = null;
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+      computerUse_ = null;
+      if (computerUseBuilder_ != null) {
+        computerUseBuilder_.dispose();
+        computerUseBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_Tool_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.Tool getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.Tool.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.Tool build() {
+      com.google.cloud.vertexai.api.Tool result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.Tool buildPartial() {
+      com.google.cloud.vertexai.api.Tool result = new com.google.cloud.vertexai.api.Tool(this);
+      buildPartialRepeatedFields(result);
+      if (bitField0_ != 0) {
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+      onBuilt();
+      return result;
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+      if (functionDeclarationsBuilder_ == null) {
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+        result.functionDeclarations_ = functionDeclarations_;
+      } else {
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+      }
+    }
+
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+      int to_bitField0_ = 0;
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+        to_bitField0_ |= 0x00000001;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
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+        to_bitField0_ |= 0x00000002;
+      }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
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+        to_bitField0_ |= 0x00000004;
+      }
+      if (((from_bitField0_ & 0x00000010) != 0)) {
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+        to_bitField0_ |= 0x00000008;
+      }
+      if (((from_bitField0_ & 0x00000020) != 0)) {
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+        to_bitField0_ |= 0x00000010;
+      }
+      if (((from_bitField0_ & 0x00000040) != 0)) {
+        result.codeExecution_ =
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+        to_bitField0_ |= 0x00000020;
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+      if (((from_bitField0_ & 0x00000080) != 0)) {
+        result.urlContext_ = urlContextBuilder_ == null ? urlContext_ : urlContextBuilder_.build();
+        to_bitField0_ |= 0x00000040;
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+      if (((from_bitField0_ & 0x00000100) != 0)) {
+        result.computerUse_ =
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+        to_bitField0_ |= 0x00000080;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.Tool) {
+        return mergeFrom((com.google.cloud.vertexai.api.Tool) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.Tool other) {
+      if (other == com.google.cloud.vertexai.api.Tool.getDefaultInstance()) return this;
+      if (functionDeclarationsBuilder_ == null) {
+        if (!other.functionDeclarations_.isEmpty()) {
+          if (functionDeclarations_.isEmpty()) {
+            functionDeclarations_ = other.functionDeclarations_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+          } else {
+            ensureFunctionDeclarationsIsMutable();
+            functionDeclarations_.addAll(other.functionDeclarations_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.functionDeclarations_.isEmpty()) {
+          if (functionDeclarationsBuilder_.isEmpty()) {
+            functionDeclarationsBuilder_.dispose();
+            functionDeclarationsBuilder_ = null;
+            functionDeclarations_ = other.functionDeclarations_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+            functionDeclarationsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetFunctionDeclarationsFieldBuilder()
+                    : null;
+          } else {
+            functionDeclarationsBuilder_.addAllMessages(other.functionDeclarations_);
+          }
+        }
+      }
+      if (other.hasRetrieval()) {
+        mergeRetrieval(other.getRetrieval());
+      }
+      if (other.hasGoogleSearch()) {
+        mergeGoogleSearch(other.getGoogleSearch());
+      }
+      if (other.hasGoogleSearchRetrieval()) {
+        mergeGoogleSearchRetrieval(other.getGoogleSearchRetrieval());
+      }
+      if (other.hasGoogleMaps()) {
+        mergeGoogleMaps(other.getGoogleMaps());
+      }
+      if (other.hasEnterpriseWebSearch()) {
+        mergeEnterpriseWebSearch(other.getEnterpriseWebSearch());
+      }
+      if (other.hasCodeExecution()) {
+        mergeCodeExecution(other.getCodeExecution());
+      }
+      if (other.hasUrlContext()) {
+        mergeUrlContext(other.getUrlContext());
+      }
+      if (other.hasComputerUse()) {
+        mergeComputerUse(other.getComputerUse());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
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+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                com.google.cloud.vertexai.api.FunctionDeclaration m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.FunctionDeclaration.parser(),
+                        extensionRegistry);
+                if (functionDeclarationsBuilder_ == null) {
+                  ensureFunctionDeclarationsIsMutable();
+                  functionDeclarations_.add(m);
+                } else {
+                  functionDeclarationsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 10
+            case 18:
+              {
+                input.readMessage(
+                    internalGetRetrievalFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            case 26:
+              {
+                input.readMessage(
+                    internalGetGoogleSearchRetrievalFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 26
+            case 34:
+              {
+                input.readMessage(
+                    internalGetCodeExecutionFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000040;
+                break;
+              } // case 34
+            case 42:
+              {
+                input.readMessage(
+                    internalGetGoogleMapsFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000010;
+                break;
+              } // case 42
+            case 50:
+              {
+                input.readMessage(
+                    internalGetEnterpriseWebSearchFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000020;
+                break;
+              } // case 50
+            case 58:
+              {
+                input.readMessage(
+                    internalGetGoogleSearchFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 58
+            case 82:
+              {
+                input.readMessage(
+                    internalGetUrlContextFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000080;
+                break;
+              } // case 82
+            case 90:
+              {
+                input.readMessage(
+                    internalGetComputerUseFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000100;
+                break;
+              } // case 90
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
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+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.util.List<com.google.cloud.vertexai.api.FunctionDeclaration>
+        functionDeclarations_ = java.util.Collections.emptyList();
+
+    private void ensureFunctionDeclarationsIsMutable() {
+      if (!((bitField0_ & 0x00000001) != 0)) {
+        functionDeclarations_ =
+            new java.util.ArrayList<com.google.cloud.vertexai.api.FunctionDeclaration>(
+                functionDeclarations_);
+        bitField0_ |= 0x00000001;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.FunctionDeclaration,
+            com.google.cloud.vertexai.api.FunctionDeclaration.Builder,
+            com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder>
+        functionDeclarationsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.FunctionDeclaration>
+        getFunctionDeclarationsList() {
+      if (functionDeclarationsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(functionDeclarations_);
+      } else {
+        return functionDeclarationsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public int getFunctionDeclarationsCount() {
+      if (functionDeclarationsBuilder_ == null) {
+        return functionDeclarations_.size();
+      } else {
+        return functionDeclarationsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.FunctionDeclaration getFunctionDeclarations(int index) {
+      if (functionDeclarationsBuilder_ == null) {
+        return functionDeclarations_.get(index);
+      } else {
+        return functionDeclarationsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setFunctionDeclarations(
+        int index, com.google.cloud.vertexai.api.FunctionDeclaration value) {
+      if (functionDeclarationsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureFunctionDeclarationsIsMutable();
+        functionDeclarations_.set(index, value);
+        onChanged();
+      } else {
+        functionDeclarationsBuilder_.setMessage(index, value);
+      }
+      return this;
     }
 
-    @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-        internalGetFieldAccessorTable() {
-      return com.google.cloud.vertexai.api.ToolProto
-          .internal_static_google_cloud_vertexai_v1_Tool_fieldAccessorTable
-          .ensureFieldAccessorsInitialized(
-              com.google.cloud.vertexai.api.Tool.class,
-              com.google.cloud.vertexai.api.Tool.Builder.class);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setFunctionDeclarations(
+        int index, com.google.cloud.vertexai.api.FunctionDeclaration.Builder builderForValue) {
+      if (functionDeclarationsBuilder_ == null) {
+        ensureFunctionDeclarationsIsMutable();
+        functionDeclarations_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        functionDeclarationsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
     }
 
-    // Construct using com.google.cloud.vertexai.api.Tool.newBuilder()
-    private Builder() {
-      maybeForceBuilderInitialization();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addFunctionDeclarations(
+        com.google.cloud.vertexai.api.FunctionDeclaration value) {
+      if (functionDeclarationsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureFunctionDeclarationsIsMutable();
+        functionDeclarations_.add(value);
+        onChanged();
+      } else {
+        functionDeclarationsBuilder_.addMessage(value);
+      }
+      return this;
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
-      maybeForceBuilderInitialization();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addFunctionDeclarations(
+        int index, com.google.cloud.vertexai.api.FunctionDeclaration value) {
+      if (functionDeclarationsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureFunctionDeclarationsIsMutable();
+        functionDeclarations_.add(index, value);
+        onChanged();
+      } else {
+        functionDeclarationsBuilder_.addMessage(index, value);
+      }
+      return this;
     }
 
-    private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getFunctionDeclarationsFieldBuilder();
-        getRetrievalFieldBuilder();
-        getGoogleSearchFieldBuilder();
-        getGoogleSearchRetrievalFieldBuilder();
-        getEnterpriseWebSearchFieldBuilder();
-        getCodeExecutionFieldBuilder();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addFunctionDeclarations(
+        com.google.cloud.vertexai.api.FunctionDeclaration.Builder builderForValue) {
+      if (functionDeclarationsBuilder_ == null) {
+        ensureFunctionDeclarationsIsMutable();
+        functionDeclarations_.add(builderForValue.build());
+        onChanged();
+      } else {
+        functionDeclarationsBuilder_.addMessage(builderForValue.build());
       }
+      return this;
     }
 
-    @java.lang.Override
-    public Builder clear() {
-      super.clear();
-      bitField0_ = 0;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addFunctionDeclarations(
+        int index, com.google.cloud.vertexai.api.FunctionDeclaration.Builder builderForValue) {
       if (functionDeclarationsBuilder_ == null) {
-        functionDeclarations_ = java.util.Collections.emptyList();
+        ensureFunctionDeclarationsIsMutable();
+        functionDeclarations_.add(index, builderForValue.build());
+        onChanged();
       } else {
-        functionDeclarations_ = null;
-        functionDeclarationsBuilder_.clear();
-      }
-      bitField0_ = (bitField0_ & ~0x00000001);
-      retrieval_ = null;
-      if (retrievalBuilder_ != null) {
-        retrievalBuilder_.dispose();
-        retrievalBuilder_ = null;
-      }
-      googleSearch_ = null;
-      if (googleSearchBuilder_ != null) {
-        googleSearchBuilder_.dispose();
-        googleSearchBuilder_ = null;
-      }
-      googleSearchRetrieval_ = null;
-      if (googleSearchRetrievalBuilder_ != null) {
-        googleSearchRetrievalBuilder_.dispose();
-        googleSearchRetrievalBuilder_ = null;
+        functionDeclarationsBuilder_.addMessage(index, builderForValue.build());
       }
-      enterpriseWebSearch_ = null;
-      if (enterpriseWebSearchBuilder_ != null) {
-        enterpriseWebSearchBuilder_.dispose();
-        enterpriseWebSearchBuilder_ = null;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder addAllFunctionDeclarations(
+        java.lang.Iterable<? extends com.google.cloud.vertexai.api.FunctionDeclaration> values) {
+      if (functionDeclarationsBuilder_ == null) {
+        ensureFunctionDeclarationsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, functionDeclarations_);
+        onChanged();
+      } else {
+        functionDeclarationsBuilder_.addAllMessages(values);
       }
-      codeExecution_ = null;
-      if (codeExecutionBuilder_ != null) {
-        codeExecutionBuilder_.dispose();
-        codeExecutionBuilder_ = null;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearFunctionDeclarations() {
+      if (functionDeclarationsBuilder_ == null) {
+        functionDeclarations_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+      } else {
+        functionDeclarationsBuilder_.clear();
       }
       return this;
     }
 
-    @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.cloud.vertexai.api.ToolProto
-          .internal_static_google_cloud_vertexai_v1_Tool_descriptor;
-    }
-
-    @java.lang.Override
-    public com.google.cloud.vertexai.api.Tool getDefaultInstanceForType() {
-      return com.google.cloud.vertexai.api.Tool.getDefaultInstance();
-    }
-
-    @java.lang.Override
-    public com.google.cloud.vertexai.api.Tool build() {
-      com.google.cloud.vertexai.api.Tool result = buildPartial();
-      if (!result.isInitialized()) {
-        throw newUninitializedMessageException(result);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder removeFunctionDeclarations(int index) {
+      if (functionDeclarationsBuilder_ == null) {
+        ensureFunctionDeclarationsIsMutable();
+        functionDeclarations_.remove(index);
+        onChanged();
+      } else {
+        functionDeclarationsBuilder_.remove(index);
       }
-      return result;
+      return this;
     }
 
-    @java.lang.Override
-    public com.google.cloud.vertexai.api.Tool buildPartial() {
-      com.google.cloud.vertexai.api.Tool result = new com.google.cloud.vertexai.api.Tool(this);
-      buildPartialRepeatedFields(result);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
-      onBuilt();
-      return result;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.FunctionDeclaration.Builder getFunctionDeclarationsBuilder(
+        int index) {
+      return internalGetFunctionDeclarationsFieldBuilder().getBuilder(index);
     }
 
-    private void buildPartialRepeatedFields(com.google.cloud.vertexai.api.Tool result) {
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder
+        getFunctionDeclarationsOrBuilder(int index) {
       if (functionDeclarationsBuilder_ == null) {
-        if (((bitField0_ & 0x00000001) != 0)) {
-          functionDeclarations_ = java.util.Collections.unmodifiableList(functionDeclarations_);
-          bitField0_ = (bitField0_ & ~0x00000001);
-        }
-        result.functionDeclarations_ = functionDeclarations_;
+        return functionDeclarations_.get(index);
       } else {
-        result.functionDeclarations_ = functionDeclarationsBuilder_.build();
+        return functionDeclarationsBuilder_.getMessageOrBuilder(index);
       }
     }
 
-    private void buildPartial0(com.google.cloud.vertexai.api.Tool result) {
-      int from_bitField0_ = bitField0_;
-      int to_bitField0_ = 0;
-      if (((from_bitField0_ & 0x00000002) != 0)) {
-        result.retrieval_ = retrievalBuilder_ == null ? retrieval_ : retrievalBuilder_.build();
-        to_bitField0_ |= 0x00000001;
-      }
-      if (((from_bitField0_ & 0x00000004) != 0)) {
-        result.googleSearch_ =
-            googleSearchBuilder_ == null ? googleSearch_ : googleSearchBuilder_.build();
-        to_bitField0_ |= 0x00000002;
-      }
-      if (((from_bitField0_ & 0x00000008) != 0)) {
-        result.googleSearchRetrieval_ =
-            googleSearchRetrievalBuilder_ == null
-                ? googleSearchRetrieval_
-                : googleSearchRetrievalBuilder_.build();
-        to_bitField0_ |= 0x00000004;
-      }
-      if (((from_bitField0_ & 0x00000010) != 0)) {
-        result.enterpriseWebSearch_ =
-            enterpriseWebSearchBuilder_ == null
-                ? enterpriseWebSearch_
-                : enterpriseWebSearchBuilder_.build();
-        to_bitField0_ |= 0x00000008;
-      }
-      if (((from_bitField0_ & 0x00000020) != 0)) {
-        result.codeExecution_ =
-            codeExecutionBuilder_ == null ? codeExecution_ : codeExecutionBuilder_.build();
-        to_bitField0_ |= 0x00000010;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<? extends com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder>
+        getFunctionDeclarationsOrBuilderList() {
+      if (functionDeclarationsBuilder_ != null) {
+        return functionDeclarationsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(functionDeclarations_);
       }
-      result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.FunctionDeclaration.Builder
+        addFunctionDeclarationsBuilder() {
+      return internalGetFunctionDeclarationsFieldBuilder()
+          .addBuilder(com.google.cloud.vertexai.api.FunctionDeclaration.getDefaultInstance());
     }
 
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.FunctionDeclaration.Builder addFunctionDeclarationsBuilder(
+        int index) {
+      return internalGetFunctionDeclarationsFieldBuilder()
+          .addBuilder(
+              index, com.google.cloud.vertexai.api.FunctionDeclaration.getDefaultInstance());
     }
 
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Function tool type.
+     * One or more function declarations to be passed to the model along with the
+     * current user query. Model may decide to call a subset of these functions
+     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
+     * in the response. User should provide a
+     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
+     * each function call in the next turn. Based on the function responses, Model
+     * will generate the final response back to the user. Maximum 128 function
+     * declarations can be provided.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.FunctionDeclaration.Builder>
+        getFunctionDeclarationsBuilderList() {
+      return internalGetFunctionDeclarationsFieldBuilder().getBuilderList();
     }
 
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.FunctionDeclaration,
+            com.google.cloud.vertexai.api.FunctionDeclaration.Builder,
+            com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder>
+        internalGetFunctionDeclarationsFieldBuilder() {
+      if (functionDeclarationsBuilder_ == null) {
+        functionDeclarationsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.FunctionDeclaration,
+                com.google.cloud.vertexai.api.FunctionDeclaration.Builder,
+                com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder>(
+                functionDeclarations_,
+                ((bitField0_ & 0x00000001) != 0),
+                getParentForChildren(),
+                isClean());
+        functionDeclarations_ = null;
+      }
+      return functionDeclarationsBuilder_;
     }
 
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
+    private com.google.cloud.vertexai.api.Retrieval retrieval_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.Retrieval,
+            com.google.cloud.vertexai.api.Retrieval.Builder,
+            com.google.cloud.vertexai.api.RetrievalOrBuilder>
+        retrievalBuilder_;
 
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Retrieval tool type.
+     * System will always execute the provided retrieval tool(s) to get external
+     * knowledge to answer the prompt. Retrieval results are presented to the
+     * model for generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the retrieval field is set.
+     */
+    public boolean hasRetrieval() {
+      return ((bitField0_ & 0x00000002) != 0);
     }
 
-    @java.lang.Override
-    public Builder mergeFrom(com.google.protobuf.Message other) {
-      if (other instanceof com.google.cloud.vertexai.api.Tool) {
-        return mergeFrom((com.google.cloud.vertexai.api.Tool) other);
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Retrieval tool type.
+     * System will always execute the provided retrieval tool(s) to get external
+     * knowledge to answer the prompt. Retrieval results are presented to the
+     * model for generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The retrieval.
+     */
+    public com.google.cloud.vertexai.api.Retrieval getRetrieval() {
+      if (retrievalBuilder_ == null) {
+        return retrieval_ == null
+            ? com.google.cloud.vertexai.api.Retrieval.getDefaultInstance()
+            : retrieval_;
       } else {
-        super.mergeFrom(other);
-        return this;
+        return retrievalBuilder_.getMessage();
       }
     }
 
-    public Builder mergeFrom(com.google.cloud.vertexai.api.Tool other) {
-      if (other == com.google.cloud.vertexai.api.Tool.getDefaultInstance()) return this;
-      if (functionDeclarationsBuilder_ == null) {
-        if (!other.functionDeclarations_.isEmpty()) {
-          if (functionDeclarations_.isEmpty()) {
-            functionDeclarations_ = other.functionDeclarations_;
-            bitField0_ = (bitField0_ & ~0x00000001);
-          } else {
-            ensureFunctionDeclarationsIsMutable();
-            functionDeclarations_.addAll(other.functionDeclarations_);
-          }
-          onChanged();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Retrieval tool type.
+     * System will always execute the provided retrieval tool(s) to get external
+     * knowledge to answer the prompt. Retrieval results are presented to the
+     * model for generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setRetrieval(com.google.cloud.vertexai.api.Retrieval value) {
+      if (retrievalBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
         }
+        retrieval_ = value;
       } else {
-        if (!other.functionDeclarations_.isEmpty()) {
-          if (functionDeclarationsBuilder_.isEmpty()) {
-            functionDeclarationsBuilder_.dispose();
-            functionDeclarationsBuilder_ = null;
-            functionDeclarations_ = other.functionDeclarations_;
-            bitField0_ = (bitField0_ & ~0x00000001);
-            functionDeclarationsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getFunctionDeclarationsFieldBuilder()
-                    : null;
-          } else {
-            functionDeclarationsBuilder_.addAllMessages(other.functionDeclarations_);
-          }
-        }
-      }
-      if (other.hasRetrieval()) {
-        mergeRetrieval(other.getRetrieval());
-      }
-      if (other.hasGoogleSearch()) {
-        mergeGoogleSearch(other.getGoogleSearch());
-      }
-      if (other.hasGoogleSearchRetrieval()) {
-        mergeGoogleSearchRetrieval(other.getGoogleSearchRetrieval());
-      }
-      if (other.hasEnterpriseWebSearch()) {
-        mergeEnterpriseWebSearch(other.getEnterpriseWebSearch());
-      }
-      if (other.hasCodeExecution()) {
-        mergeCodeExecution(other.getCodeExecution());
+        retrievalBuilder_.setMessage(value);
       }
-      this.mergeUnknownFields(other.getUnknownFields());
+      bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
 
-    @java.lang.Override
-    public final boolean isInitialized() {
-      return true;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Retrieval tool type.
+     * System will always execute the provided retrieval tool(s) to get external
+     * knowledge to answer the prompt. Retrieval results are presented to the
+     * model for generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setRetrieval(com.google.cloud.vertexai.api.Retrieval.Builder builderForValue) {
+      if (retrievalBuilder_ == null) {
+        retrieval_ = builderForValue.build();
+      } else {
+        retrievalBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
     }
 
-    @java.lang.Override
-    public Builder mergeFrom(
-        com.google.protobuf.CodedInputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      if (extensionRegistry == null) {
-        throw new java.lang.NullPointerException();
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Retrieval tool type.
+     * System will always execute the provided retrieval tool(s) to get external
+     * knowledge to answer the prompt. Retrieval results are presented to the
+     * model for generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeRetrieval(com.google.cloud.vertexai.api.Retrieval value) {
+      if (retrievalBuilder_ == null) {
+        if (((bitField0_ & 0x00000002) != 0)
+            && retrieval_ != null
+            && retrieval_ != com.google.cloud.vertexai.api.Retrieval.getDefaultInstance()) {
+          getRetrievalBuilder().mergeFrom(value);
+        } else {
+          retrieval_ = value;
+        }
+      } else {
+        retrievalBuilder_.mergeFrom(value);
       }
-      try {
-        boolean done = false;
-        while (!done) {
-          int tag = input.readTag();
-          switch (tag) {
-            case 0:
-              done = true;
-              break;
-            case 10:
-              {
-                com.google.cloud.vertexai.api.FunctionDeclaration m =
-                    input.readMessage(
-                        com.google.cloud.vertexai.api.FunctionDeclaration.parser(),
-                        extensionRegistry);
-                if (functionDeclarationsBuilder_ == null) {
-                  ensureFunctionDeclarationsIsMutable();
-                  functionDeclarations_.add(m);
-                } else {
-                  functionDeclarationsBuilder_.addMessage(m);
-                }
-                break;
-              } // case 10
-            case 18:
-              {
-                input.readMessage(getRetrievalFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            case 26:
-              {
-                input.readMessage(
-                    getGoogleSearchRetrievalFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000008;
-                break;
-              } // case 26
-            case 34:
-              {
-                input.readMessage(getCodeExecutionFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000020;
-                break;
-              } // case 34
-            case 50:
-              {
-                input.readMessage(
-                    getEnterpriseWebSearchFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000010;
-                break;
-              } // case 50
-            case 58:
-              {
-                input.readMessage(getGoogleSearchFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 58
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
-          } // switch (tag)
-        } // while (!done)
-      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-        throw e.unwrapIOException();
-      } finally {
+      if (retrieval_ != null) {
+        bitField0_ |= 0x00000002;
         onChanged();
-      } // finally
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Retrieval tool type.
+     * System will always execute the provided retrieval tool(s) to get external
+     * knowledge to answer the prompt. Retrieval results are presented to the
+     * model for generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearRetrieval() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      retrieval_ = null;
+      if (retrievalBuilder_ != null) {
+        retrievalBuilder_.dispose();
+        retrievalBuilder_ = null;
+      }
+      onChanged();
       return this;
     }
 
-    private int bitField0_;
-
-    private java.util.List<com.google.cloud.vertexai.api.FunctionDeclaration>
-        functionDeclarations_ = java.util.Collections.emptyList();
-
-    private void ensureFunctionDeclarationsIsMutable() {
-      if (!((bitField0_ & 0x00000001) != 0)) {
-        functionDeclarations_ =
-            new java.util.ArrayList<com.google.cloud.vertexai.api.FunctionDeclaration>(
-                functionDeclarations_);
-        bitField0_ |= 0x00000001;
-      }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Retrieval tool type.
+     * System will always execute the provided retrieval tool(s) to get external
+     * knowledge to answer the prompt. Retrieval results are presented to the
+     * model for generation.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.Retrieval.Builder getRetrievalBuilder() {
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return internalGetRetrievalFieldBuilder().getBuilder();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.cloud.vertexai.api.FunctionDeclaration,
-            com.google.cloud.vertexai.api.FunctionDeclaration.Builder,
-            com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder>
-        functionDeclarationsBuilder_;
-
     /**
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. Retrieval tool type.
+     * System will always execute the provided retrieval tool(s) to get external
+     * knowledge to answer the prompt. Retrieval results are presented to the
+     * model for generation.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public java.util.List<com.google.cloud.vertexai.api.FunctionDeclaration>
-        getFunctionDeclarationsList() {
-      if (functionDeclarationsBuilder_ == null) {
-        return java.util.Collections.unmodifiableList(functionDeclarations_);
+    public com.google.cloud.vertexai.api.RetrievalOrBuilder getRetrievalOrBuilder() {
+      if (retrievalBuilder_ != null) {
+        return retrievalBuilder_.getMessageOrBuilder();
       } else {
-        return functionDeclarationsBuilder_.getMessageList();
+        return retrieval_ == null
+            ? com.google.cloud.vertexai.api.Retrieval.getDefaultInstance()
+            : retrieval_;
       }
     }
 
@@ -2008,53 +5053,79 @@ private void ensureFunctionDeclarationsIsMutable() {
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. Retrieval tool type.
+     * System will always execute the provided retrieval tool(s) to get external
+     * knowledge to answer the prompt. Retrieval results are presented to the
+     * model for generation.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public int getFunctionDeclarationsCount() {
-      if (functionDeclarationsBuilder_ == null) {
-        return functionDeclarations_.size();
-      } else {
-        return functionDeclarationsBuilder_.getCount();
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.Retrieval,
+            com.google.cloud.vertexai.api.Retrieval.Builder,
+            com.google.cloud.vertexai.api.RetrievalOrBuilder>
+        internalGetRetrievalFieldBuilder() {
+      if (retrievalBuilder_ == null) {
+        retrievalBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.Retrieval,
+                com.google.cloud.vertexai.api.Retrieval.Builder,
+                com.google.cloud.vertexai.api.RetrievalOrBuilder>(
+                getRetrieval(), getParentForChildren(), isClean());
+        retrieval_ = null;
       }
+      return retrievalBuilder_;
     }
 
+    private com.google.cloud.vertexai.api.Tool.GoogleSearch googleSearch_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.Tool.GoogleSearch,
+            com.google.cloud.vertexai.api.Tool.GoogleSearch.Builder,
+            com.google.cloud.vertexai.api.Tool.GoogleSearchOrBuilder>
+        googleSearchBuilder_;
+
     /**
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearch tool type.
+     * Tool to support Google Search in Model. Powered by Google.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
+     *
+     * @return Whether the googleSearch field is set.
      */
-    public com.google.cloud.vertexai.api.FunctionDeclaration getFunctionDeclarations(int index) {
-      if (functionDeclarationsBuilder_ == null) {
-        return functionDeclarations_.get(index);
+    public boolean hasGoogleSearch() {
+      return ((bitField0_ & 0x00000004) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. GoogleSearch tool type.
+     * Tool to support Google Search in Model. Powered by Google.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The googleSearch.
+     */
+    public com.google.cloud.vertexai.api.Tool.GoogleSearch getGoogleSearch() {
+      if (googleSearchBuilder_ == null) {
+        return googleSearch_ == null
+            ? com.google.cloud.vertexai.api.Tool.GoogleSearch.getDefaultInstance()
+            : googleSearch_;
       } else {
-        return functionDeclarationsBuilder_.getMessage(index);
+        return googleSearchBuilder_.getMessage();
       }
     }
 
@@ -2062,33 +5133,25 @@ public com.google.cloud.vertexai.api.FunctionDeclaration getFunctionDeclarations
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearch tool type.
+     * Tool to support Google Search in Model. Powered by Google.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setFunctionDeclarations(
-        int index, com.google.cloud.vertexai.api.FunctionDeclaration value) {
-      if (functionDeclarationsBuilder_ == null) {
+    public Builder setGoogleSearch(com.google.cloud.vertexai.api.Tool.GoogleSearch value) {
+      if (googleSearchBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
         }
-        ensureFunctionDeclarationsIsMutable();
-        functionDeclarations_.set(index, value);
-        onChanged();
+        googleSearch_ = value;
       } else {
-        functionDeclarationsBuilder_.setMessage(index, value);
+        googleSearchBuilder_.setMessage(value);
       }
+      bitField0_ |= 0x00000004;
+      onChanged();
       return this;
     }
 
@@ -2096,30 +5159,23 @@ public Builder setFunctionDeclarations(
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearch tool type.
+     * Tool to support Google Search in Model. Powered by Google.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setFunctionDeclarations(
-        int index, com.google.cloud.vertexai.api.FunctionDeclaration.Builder builderForValue) {
-      if (functionDeclarationsBuilder_ == null) {
-        ensureFunctionDeclarationsIsMutable();
-        functionDeclarations_.set(index, builderForValue.build());
-        onChanged();
+    public Builder setGoogleSearch(
+        com.google.cloud.vertexai.api.Tool.GoogleSearch.Builder builderForValue) {
+      if (googleSearchBuilder_ == null) {
+        googleSearch_ = builderForValue.build();
       } else {
-        functionDeclarationsBuilder_.setMessage(index, builderForValue.build());
+        googleSearchBuilder_.setMessage(builderForValue.build());
       }
+      bitField0_ |= 0x00000004;
+      onChanged();
       return this;
     }
 
@@ -2127,33 +5183,54 @@ public Builder setFunctionDeclarations(
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearch tool type.
+     * Tool to support Google Search in Model. Powered by Google.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder addFunctionDeclarations(
-        com.google.cloud.vertexai.api.FunctionDeclaration value) {
-      if (functionDeclarationsBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
+    public Builder mergeGoogleSearch(com.google.cloud.vertexai.api.Tool.GoogleSearch value) {
+      if (googleSearchBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)
+            && googleSearch_ != null
+            && googleSearch_
+                != com.google.cloud.vertexai.api.Tool.GoogleSearch.getDefaultInstance()) {
+          getGoogleSearchBuilder().mergeFrom(value);
+        } else {
+          googleSearch_ = value;
         }
-        ensureFunctionDeclarationsIsMutable();
-        functionDeclarations_.add(value);
-        onChanged();
       } else {
-        functionDeclarationsBuilder_.addMessage(value);
+        googleSearchBuilder_.mergeFrom(value);
+      }
+      if (googleSearch_ != null) {
+        bitField0_ |= 0x00000004;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. GoogleSearch tool type.
+     * Tool to support Google Search in Model. Powered by Google.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearGoogleSearch() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      googleSearch_ = null;
+      if (googleSearchBuilder_ != null) {
+        googleSearchBuilder_.dispose();
+        googleSearchBuilder_ = null;
       }
+      onChanged();
       return this;
     }
 
@@ -2161,186 +5238,144 @@ public Builder addFunctionDeclarations(
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearch tool type.
+     * Tool to support Google Search in Model. Powered by Google.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder addFunctionDeclarations(
-        int index, com.google.cloud.vertexai.api.FunctionDeclaration value) {
-      if (functionDeclarationsBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        ensureFunctionDeclarationsIsMutable();
-        functionDeclarations_.add(index, value);
-        onChanged();
-      } else {
-        functionDeclarationsBuilder_.addMessage(index, value);
-      }
-      return this;
+    public com.google.cloud.vertexai.api.Tool.GoogleSearch.Builder getGoogleSearchBuilder() {
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return internalGetGoogleSearchFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearch tool type.
+     * Tool to support Google Search in Model. Powered by Google.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder addFunctionDeclarations(
-        com.google.cloud.vertexai.api.FunctionDeclaration.Builder builderForValue) {
-      if (functionDeclarationsBuilder_ == null) {
-        ensureFunctionDeclarationsIsMutable();
-        functionDeclarations_.add(builderForValue.build());
-        onChanged();
+    public com.google.cloud.vertexai.api.Tool.GoogleSearchOrBuilder getGoogleSearchOrBuilder() {
+      if (googleSearchBuilder_ != null) {
+        return googleSearchBuilder_.getMessageOrBuilder();
       } else {
-        functionDeclarationsBuilder_.addMessage(builderForValue.build());
+        return googleSearch_ == null
+            ? com.google.cloud.vertexai.api.Tool.GoogleSearch.getDefaultInstance()
+            : googleSearch_;
       }
-      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearch tool type.
+     * Tool to support Google Search in Model. Powered by Google.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder addFunctionDeclarations(
-        int index, com.google.cloud.vertexai.api.FunctionDeclaration.Builder builderForValue) {
-      if (functionDeclarationsBuilder_ == null) {
-        ensureFunctionDeclarationsIsMutable();
-        functionDeclarations_.add(index, builderForValue.build());
-        onChanged();
-      } else {
-        functionDeclarationsBuilder_.addMessage(index, builderForValue.build());
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.Tool.GoogleSearch,
+            com.google.cloud.vertexai.api.Tool.GoogleSearch.Builder,
+            com.google.cloud.vertexai.api.Tool.GoogleSearchOrBuilder>
+        internalGetGoogleSearchFieldBuilder() {
+      if (googleSearchBuilder_ == null) {
+        googleSearchBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.Tool.GoogleSearch,
+                com.google.cloud.vertexai.api.Tool.GoogleSearch.Builder,
+                com.google.cloud.vertexai.api.Tool.GoogleSearchOrBuilder>(
+                getGoogleSearch(), getParentForChildren(), isClean());
+        googleSearch_ = null;
       }
-      return this;
+      return googleSearchBuilder_;
     }
 
+    private com.google.cloud.vertexai.api.GoogleSearchRetrieval googleSearchRetrieval_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GoogleSearchRetrieval,
+            com.google.cloud.vertexai.api.GoogleSearchRetrieval.Builder,
+            com.google.cloud.vertexai.api.GoogleSearchRetrievalOrBuilder>
+        googleSearchRetrievalBuilder_;
+
     /**
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearchRetrieval tool type.
+     * Specialized retrieval tool that is powered by Google search.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
+     *
+     * @return Whether the googleSearchRetrieval field is set.
      */
-    public Builder addAllFunctionDeclarations(
-        java.lang.Iterable<? extends com.google.cloud.vertexai.api.FunctionDeclaration> values) {
-      if (functionDeclarationsBuilder_ == null) {
-        ensureFunctionDeclarationsIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, functionDeclarations_);
-        onChanged();
-      } else {
-        functionDeclarationsBuilder_.addAllMessages(values);
-      }
-      return this;
+    public boolean hasGoogleSearchRetrieval() {
+      return ((bitField0_ & 0x00000008) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearchRetrieval tool type.
+     * Specialized retrieval tool that is powered by Google search.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
+     *
+     * @return The googleSearchRetrieval.
      */
-    public Builder clearFunctionDeclarations() {
-      if (functionDeclarationsBuilder_ == null) {
-        functionDeclarations_ = java.util.Collections.emptyList();
-        bitField0_ = (bitField0_ & ~0x00000001);
-        onChanged();
+    public com.google.cloud.vertexai.api.GoogleSearchRetrieval getGoogleSearchRetrieval() {
+      if (googleSearchRetrievalBuilder_ == null) {
+        return googleSearchRetrieval_ == null
+            ? com.google.cloud.vertexai.api.GoogleSearchRetrieval.getDefaultInstance()
+            : googleSearchRetrieval_;
       } else {
-        functionDeclarationsBuilder_.clear();
+        return googleSearchRetrievalBuilder_.getMessage();
       }
-      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearchRetrieval tool type.
+     * Specialized retrieval tool that is powered by Google search.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder removeFunctionDeclarations(int index) {
-      if (functionDeclarationsBuilder_ == null) {
-        ensureFunctionDeclarationsIsMutable();
-        functionDeclarations_.remove(index);
-        onChanged();
+    public Builder setGoogleSearchRetrieval(
+        com.google.cloud.vertexai.api.GoogleSearchRetrieval value) {
+      if (googleSearchRetrievalBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        googleSearchRetrieval_ = value;
       } else {
-        functionDeclarationsBuilder_.remove(index);
+        googleSearchRetrievalBuilder_.setMessage(value);
       }
+      bitField0_ |= 0x00000008;
+      onChanged();
       return this;
     }
 
@@ -2348,227 +5383,199 @@ public Builder removeFunctionDeclarations(int index) {
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearchRetrieval tool type.
+     * Specialized retrieval tool that is powered by Google search.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.FunctionDeclaration.Builder getFunctionDeclarationsBuilder(
-        int index) {
-      return getFunctionDeclarationsFieldBuilder().getBuilder(index);
+    public Builder setGoogleSearchRetrieval(
+        com.google.cloud.vertexai.api.GoogleSearchRetrieval.Builder builderForValue) {
+      if (googleSearchRetrievalBuilder_ == null) {
+        googleSearchRetrieval_ = builderForValue.build();
+      } else {
+        googleSearchRetrievalBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearchRetrieval tool type.
+     * Specialized retrieval tool that is powered by Google search.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder
-        getFunctionDeclarationsOrBuilder(int index) {
-      if (functionDeclarationsBuilder_ == null) {
-        return functionDeclarations_.get(index);
+    public Builder mergeGoogleSearchRetrieval(
+        com.google.cloud.vertexai.api.GoogleSearchRetrieval value) {
+      if (googleSearchRetrievalBuilder_ == null) {
+        if (((bitField0_ & 0x00000008) != 0)
+            && googleSearchRetrieval_ != null
+            && googleSearchRetrieval_
+                != com.google.cloud.vertexai.api.GoogleSearchRetrieval.getDefaultInstance()) {
+          getGoogleSearchRetrievalBuilder().mergeFrom(value);
+        } else {
+          googleSearchRetrieval_ = value;
+        }
       } else {
-        return functionDeclarationsBuilder_.getMessageOrBuilder(index);
+        googleSearchRetrievalBuilder_.mergeFrom(value);
+      }
+      if (googleSearchRetrieval_ != null) {
+        bitField0_ |= 0x00000008;
+        onChanged();
       }
+      return this;
     }
 
     /**
      *
      *
-     * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * <pre>
+     * Optional. GoogleSearchRetrieval tool type.
+     * Specialized retrieval tool that is powered by Google search.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public java.util.List<? extends com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder>
-        getFunctionDeclarationsOrBuilderList() {
-      if (functionDeclarationsBuilder_ != null) {
-        return functionDeclarationsBuilder_.getMessageOrBuilderList();
-      } else {
-        return java.util.Collections.unmodifiableList(functionDeclarations_);
+    public Builder clearGoogleSearchRetrieval() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      googleSearchRetrieval_ = null;
+      if (googleSearchRetrievalBuilder_ != null) {
+        googleSearchRetrievalBuilder_.dispose();
+        googleSearchRetrievalBuilder_ = null;
       }
+      onChanged();
+      return this;
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearchRetrieval tool type.
+     * Specialized retrieval tool that is powered by Google search.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.FunctionDeclaration.Builder
-        addFunctionDeclarationsBuilder() {
-      return getFunctionDeclarationsFieldBuilder()
-          .addBuilder(com.google.cloud.vertexai.api.FunctionDeclaration.getDefaultInstance());
+    public com.google.cloud.vertexai.api.GoogleSearchRetrieval.Builder
+        getGoogleSearchRetrievalBuilder() {
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return internalGetGoogleSearchRetrievalFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearchRetrieval tool type.
+     * Specialized retrieval tool that is powered by Google search.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.FunctionDeclaration.Builder addFunctionDeclarationsBuilder(
-        int index) {
-      return getFunctionDeclarationsFieldBuilder()
-          .addBuilder(
-              index, com.google.cloud.vertexai.api.FunctionDeclaration.getDefaultInstance());
+    public com.google.cloud.vertexai.api.GoogleSearchRetrievalOrBuilder
+        getGoogleSearchRetrievalOrBuilder() {
+      if (googleSearchRetrievalBuilder_ != null) {
+        return googleSearchRetrievalBuilder_.getMessageOrBuilder();
+      } else {
+        return googleSearchRetrieval_ == null
+            ? com.google.cloud.vertexai.api.GoogleSearchRetrieval.getDefaultInstance()
+            : googleSearchRetrieval_;
+      }
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Function tool type.
-     * One or more function declarations to be passed to the model along with the
-     * current user query. Model may decide to call a subset of these functions
-     * by populating [FunctionCall][google.cloud.aiplatform.v1.Part.function_call]
-     * in the response. User should provide a
-     * [FunctionResponse][google.cloud.aiplatform.v1.Part.function_response] for
-     * each function call in the next turn. Based on the function responses, Model
-     * will generate the final response back to the user. Maximum 128 function
-     * declarations can be provided.
+     * Optional. GoogleSearchRetrieval tool type.
+     * Specialized retrieval tool that is powered by Google search.
      * </pre>
      *
      * <code>
-     * repeated .google.cloud.vertexai.v1.FunctionDeclaration function_declarations = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public java.util.List<com.google.cloud.vertexai.api.FunctionDeclaration.Builder>
-        getFunctionDeclarationsBuilderList() {
-      return getFunctionDeclarationsFieldBuilder().getBuilderList();
-    }
-
-    private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.cloud.vertexai.api.FunctionDeclaration,
-            com.google.cloud.vertexai.api.FunctionDeclaration.Builder,
-            com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder>
-        getFunctionDeclarationsFieldBuilder() {
-      if (functionDeclarationsBuilder_ == null) {
-        functionDeclarationsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
-                com.google.cloud.vertexai.api.FunctionDeclaration,
-                com.google.cloud.vertexai.api.FunctionDeclaration.Builder,
-                com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder>(
-                functionDeclarations_,
-                ((bitField0_ & 0x00000001) != 0),
-                getParentForChildren(),
-                isClean());
-        functionDeclarations_ = null;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GoogleSearchRetrieval,
+            com.google.cloud.vertexai.api.GoogleSearchRetrieval.Builder,
+            com.google.cloud.vertexai.api.GoogleSearchRetrievalOrBuilder>
+        internalGetGoogleSearchRetrievalFieldBuilder() {
+      if (googleSearchRetrievalBuilder_ == null) {
+        googleSearchRetrievalBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.GoogleSearchRetrieval,
+                com.google.cloud.vertexai.api.GoogleSearchRetrieval.Builder,
+                com.google.cloud.vertexai.api.GoogleSearchRetrievalOrBuilder>(
+                getGoogleSearchRetrieval(), getParentForChildren(), isClean());
+        googleSearchRetrieval_ = null;
       }
-      return functionDeclarationsBuilder_;
+      return googleSearchRetrievalBuilder_;
     }
 
-    private com.google.cloud.vertexai.api.Retrieval retrieval_;
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.Retrieval,
-            com.google.cloud.vertexai.api.Retrieval.Builder,
-            com.google.cloud.vertexai.api.RetrievalOrBuilder>
-        retrievalBuilder_;
+    private com.google.cloud.vertexai.api.GoogleMaps googleMaps_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GoogleMaps,
+            com.google.cloud.vertexai.api.GoogleMaps.Builder,
+            com.google.cloud.vertexai.api.GoogleMapsOrBuilder>
+        googleMapsBuilder_;
 
     /**
      *
      *
      * <pre>
-     * Optional. Retrieval tool type.
-     * System will always execute the provided retrieval tool(s) to get external
-     * knowledge to answer the prompt. Retrieval results are presented to the
-     * model for generation.
+     * Optional. GoogleMaps tool type.
+     * Tool to support Google Maps in Model.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return Whether the retrieval field is set.
+     * @return Whether the googleMaps field is set.
      */
-    public boolean hasRetrieval() {
-      return ((bitField0_ & 0x00000002) != 0);
+    public boolean hasGoogleMaps() {
+      return ((bitField0_ & 0x00000010) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Retrieval tool type.
-     * System will always execute the provided retrieval tool(s) to get external
-     * knowledge to answer the prompt. Retrieval results are presented to the
-     * model for generation.
+     * Optional. GoogleMaps tool type.
+     * Tool to support Google Maps in Model.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return The retrieval.
+     * @return The googleMaps.
      */
-    public com.google.cloud.vertexai.api.Retrieval getRetrieval() {
-      if (retrievalBuilder_ == null) {
-        return retrieval_ == null
-            ? com.google.cloud.vertexai.api.Retrieval.getDefaultInstance()
-            : retrieval_;
+    public com.google.cloud.vertexai.api.GoogleMaps getGoogleMaps() {
+      if (googleMapsBuilder_ == null) {
+        return googleMaps_ == null
+            ? com.google.cloud.vertexai.api.GoogleMaps.getDefaultInstance()
+            : googleMaps_;
       } else {
-        return retrievalBuilder_.getMessage();
+        return googleMapsBuilder_.getMessage();
       }
     }
 
@@ -2576,26 +5583,24 @@ public com.google.cloud.vertexai.api.Retrieval getRetrieval() {
      *
      *
      * <pre>
-     * Optional. Retrieval tool type.
-     * System will always execute the provided retrieval tool(s) to get external
-     * knowledge to answer the prompt. Retrieval results are presented to the
-     * model for generation.
+     * Optional. GoogleMaps tool type.
+     * Tool to support Google Maps in Model.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setRetrieval(com.google.cloud.vertexai.api.Retrieval value) {
-      if (retrievalBuilder_ == null) {
+    public Builder setGoogleMaps(com.google.cloud.vertexai.api.GoogleMaps value) {
+      if (googleMapsBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
         }
-        retrieval_ = value;
+        googleMaps_ = value;
       } else {
-        retrievalBuilder_.setMessage(value);
+        googleMapsBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00000002;
+      bitField0_ |= 0x00000010;
       onChanged();
       return this;
     }
@@ -2604,23 +5609,21 @@ public Builder setRetrieval(com.google.cloud.vertexai.api.Retrieval value) {
      *
      *
      * <pre>
-     * Optional. Retrieval tool type.
-     * System will always execute the provided retrieval tool(s) to get external
-     * knowledge to answer the prompt. Retrieval results are presented to the
-     * model for generation.
+     * Optional. GoogleMaps tool type.
+     * Tool to support Google Maps in Model.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setRetrieval(com.google.cloud.vertexai.api.Retrieval.Builder builderForValue) {
-      if (retrievalBuilder_ == null) {
-        retrieval_ = builderForValue.build();
+    public Builder setGoogleMaps(com.google.cloud.vertexai.api.GoogleMaps.Builder builderForValue) {
+      if (googleMapsBuilder_ == null) {
+        googleMaps_ = builderForValue.build();
       } else {
-        retrievalBuilder_.setMessage(builderForValue.build());
+        googleMapsBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00000002;
+      bitField0_ |= 0x00000010;
       onChanged();
       return this;
     }
@@ -2629,30 +5632,28 @@ public Builder setRetrieval(com.google.cloud.vertexai.api.Retrieval.Builder buil
      *
      *
      * <pre>
-     * Optional. Retrieval tool type.
-     * System will always execute the provided retrieval tool(s) to get external
-     * knowledge to answer the prompt. Retrieval results are presented to the
-     * model for generation.
+     * Optional. GoogleMaps tool type.
+     * Tool to support Google Maps in Model.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder mergeRetrieval(com.google.cloud.vertexai.api.Retrieval value) {
-      if (retrievalBuilder_ == null) {
-        if (((bitField0_ & 0x00000002) != 0)
-            && retrieval_ != null
-            && retrieval_ != com.google.cloud.vertexai.api.Retrieval.getDefaultInstance()) {
-          getRetrievalBuilder().mergeFrom(value);
+    public Builder mergeGoogleMaps(com.google.cloud.vertexai.api.GoogleMaps value) {
+      if (googleMapsBuilder_ == null) {
+        if (((bitField0_ & 0x00000010) != 0)
+            && googleMaps_ != null
+            && googleMaps_ != com.google.cloud.vertexai.api.GoogleMaps.getDefaultInstance()) {
+          getGoogleMapsBuilder().mergeFrom(value);
         } else {
-          retrieval_ = value;
+          googleMaps_ = value;
         }
       } else {
-        retrievalBuilder_.mergeFrom(value);
+        googleMapsBuilder_.mergeFrom(value);
       }
-      if (retrieval_ != null) {
-        bitField0_ |= 0x00000002;
+      if (googleMaps_ != null) {
+        bitField0_ |= 0x00000010;
         onChanged();
       }
       return this;
@@ -2662,22 +5663,20 @@ public Builder mergeRetrieval(com.google.cloud.vertexai.api.Retrieval value) {
      *
      *
      * <pre>
-     * Optional. Retrieval tool type.
-     * System will always execute the provided retrieval tool(s) to get external
-     * knowledge to answer the prompt. Retrieval results are presented to the
-     * model for generation.
+     * Optional. GoogleMaps tool type.
+     * Tool to support Google Maps in Model.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder clearRetrieval() {
-      bitField0_ = (bitField0_ & ~0x00000002);
-      retrieval_ = null;
-      if (retrievalBuilder_ != null) {
-        retrievalBuilder_.dispose();
-        retrievalBuilder_ = null;
+    public Builder clearGoogleMaps() {
+      bitField0_ = (bitField0_ & ~0x00000010);
+      googleMaps_ = null;
+      if (googleMapsBuilder_ != null) {
+        googleMapsBuilder_.dispose();
+        googleMapsBuilder_ = null;
       }
       onChanged();
       return this;
@@ -2687,43 +5686,39 @@ public Builder clearRetrieval() {
      *
      *
      * <pre>
-     * Optional. Retrieval tool type.
-     * System will always execute the provided retrieval tool(s) to get external
-     * knowledge to answer the prompt. Retrieval results are presented to the
-     * model for generation.
+     * Optional. GoogleMaps tool type.
+     * Tool to support Google Maps in Model.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.Retrieval.Builder getRetrievalBuilder() {
-      bitField0_ |= 0x00000002;
+    public com.google.cloud.vertexai.api.GoogleMaps.Builder getGoogleMapsBuilder() {
+      bitField0_ |= 0x00000010;
       onChanged();
-      return getRetrievalFieldBuilder().getBuilder();
+      return internalGetGoogleMapsFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Retrieval tool type.
-     * System will always execute the provided retrieval tool(s) to get external
-     * knowledge to answer the prompt. Retrieval results are presented to the
-     * model for generation.
+     * Optional. GoogleMaps tool type.
+     * Tool to support Google Maps in Model.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.RetrievalOrBuilder getRetrievalOrBuilder() {
-      if (retrievalBuilder_ != null) {
-        return retrievalBuilder_.getMessageOrBuilder();
+    public com.google.cloud.vertexai.api.GoogleMapsOrBuilder getGoogleMapsOrBuilder() {
+      if (googleMapsBuilder_ != null) {
+        return googleMapsBuilder_.getMessageOrBuilder();
       } else {
-        return retrieval_ == null
-            ? com.google.cloud.vertexai.api.Retrieval.getDefaultInstance()
-            : retrieval_;
+        return googleMaps_ == null
+            ? com.google.cloud.vertexai.api.GoogleMaps.getDefaultInstance()
+            : googleMaps_;
       }
     }
 
@@ -2731,79 +5726,77 @@ public com.google.cloud.vertexai.api.RetrievalOrBuilder getRetrievalOrBuilder()
      *
      *
      * <pre>
-     * Optional. Retrieval tool type.
-     * System will always execute the provided retrieval tool(s) to get external
-     * knowledge to answer the prompt. Retrieval results are presented to the
-     * model for generation.
+     * Optional. GoogleMaps tool type.
+     * Tool to support Google Maps in Model.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Retrieval retrieval = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.Retrieval,
-            com.google.cloud.vertexai.api.Retrieval.Builder,
-            com.google.cloud.vertexai.api.RetrievalOrBuilder>
-        getRetrievalFieldBuilder() {
-      if (retrievalBuilder_ == null) {
-        retrievalBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.vertexai.api.Retrieval,
-                com.google.cloud.vertexai.api.Retrieval.Builder,
-                com.google.cloud.vertexai.api.RetrievalOrBuilder>(
-                getRetrieval(), getParentForChildren(), isClean());
-        retrieval_ = null;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.GoogleMaps,
+            com.google.cloud.vertexai.api.GoogleMaps.Builder,
+            com.google.cloud.vertexai.api.GoogleMapsOrBuilder>
+        internalGetGoogleMapsFieldBuilder() {
+      if (googleMapsBuilder_ == null) {
+        googleMapsBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.GoogleMaps,
+                com.google.cloud.vertexai.api.GoogleMaps.Builder,
+                com.google.cloud.vertexai.api.GoogleMapsOrBuilder>(
+                getGoogleMaps(), getParentForChildren(), isClean());
+        googleMaps_ = null;
       }
-      return retrievalBuilder_;
+      return googleMapsBuilder_;
     }
 
-    private com.google.cloud.vertexai.api.Tool.GoogleSearch googleSearch_;
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.Tool.GoogleSearch,
-            com.google.cloud.vertexai.api.Tool.GoogleSearch.Builder,
-            com.google.cloud.vertexai.api.Tool.GoogleSearchOrBuilder>
-        googleSearchBuilder_;
+    private com.google.cloud.vertexai.api.EnterpriseWebSearch enterpriseWebSearch_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.EnterpriseWebSearch,
+            com.google.cloud.vertexai.api.EnterpriseWebSearch.Builder,
+            com.google.cloud.vertexai.api.EnterpriseWebSearchOrBuilder>
+        enterpriseWebSearchBuilder_;
 
     /**
      *
      *
      * <pre>
-     * Optional. GoogleSearch tool type.
-     * Tool to support Google Search in Model. Powered by Google.
+     * Optional. Tool to support searching public web data, powered by Vertex AI
+     * Search and Sec4 compliance.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return Whether the googleSearch field is set.
+     * @return Whether the enterpriseWebSearch field is set.
      */
-    public boolean hasGoogleSearch() {
-      return ((bitField0_ & 0x00000004) != 0);
+    public boolean hasEnterpriseWebSearch() {
+      return ((bitField0_ & 0x00000020) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. GoogleSearch tool type.
-     * Tool to support Google Search in Model. Powered by Google.
+     * Optional. Tool to support searching public web data, powered by Vertex AI
+     * Search and Sec4 compliance.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
-     * </code>
-     *
-     * @return The googleSearch.
-     */
-    public com.google.cloud.vertexai.api.Tool.GoogleSearch getGoogleSearch() {
-      if (googleSearchBuilder_ == null) {
-        return googleSearch_ == null
-            ? com.google.cloud.vertexai.api.Tool.GoogleSearch.getDefaultInstance()
-            : googleSearch_;
+     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The enterpriseWebSearch.
+     */
+    public com.google.cloud.vertexai.api.EnterpriseWebSearch getEnterpriseWebSearch() {
+      if (enterpriseWebSearchBuilder_ == null) {
+        return enterpriseWebSearch_ == null
+            ? com.google.cloud.vertexai.api.EnterpriseWebSearch.getDefaultInstance()
+            : enterpriseWebSearch_;
       } else {
-        return googleSearchBuilder_.getMessage();
+        return enterpriseWebSearchBuilder_.getMessage();
       }
     }
 
@@ -2811,24 +5804,24 @@ public com.google.cloud.vertexai.api.Tool.GoogleSearch getGoogleSearch() {
      *
      *
      * <pre>
-     * Optional. GoogleSearch tool type.
-     * Tool to support Google Search in Model. Powered by Google.
+     * Optional. Tool to support searching public web data, powered by Vertex AI
+     * Search and Sec4 compliance.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setGoogleSearch(com.google.cloud.vertexai.api.Tool.GoogleSearch value) {
-      if (googleSearchBuilder_ == null) {
+    public Builder setEnterpriseWebSearch(com.google.cloud.vertexai.api.EnterpriseWebSearch value) {
+      if (enterpriseWebSearchBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
         }
-        googleSearch_ = value;
+        enterpriseWebSearch_ = value;
       } else {
-        googleSearchBuilder_.setMessage(value);
+        enterpriseWebSearchBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00000004;
+      bitField0_ |= 0x00000020;
       onChanged();
       return this;
     }
@@ -2837,22 +5830,22 @@ public Builder setGoogleSearch(com.google.cloud.vertexai.api.Tool.GoogleSearch v
      *
      *
      * <pre>
-     * Optional. GoogleSearch tool type.
-     * Tool to support Google Search in Model. Powered by Google.
+     * Optional. Tool to support searching public web data, powered by Vertex AI
+     * Search and Sec4 compliance.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setGoogleSearch(
-        com.google.cloud.vertexai.api.Tool.GoogleSearch.Builder builderForValue) {
-      if (googleSearchBuilder_ == null) {
-        googleSearch_ = builderForValue.build();
+    public Builder setEnterpriseWebSearch(
+        com.google.cloud.vertexai.api.EnterpriseWebSearch.Builder builderForValue) {
+      if (enterpriseWebSearchBuilder_ == null) {
+        enterpriseWebSearch_ = builderForValue.build();
       } else {
-        googleSearchBuilder_.setMessage(builderForValue.build());
+        enterpriseWebSearchBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00000004;
+      bitField0_ |= 0x00000020;
       onChanged();
       return this;
     }
@@ -2861,29 +5854,30 @@ public Builder setGoogleSearch(
      *
      *
      * <pre>
-     * Optional. GoogleSearch tool type.
-     * Tool to support Google Search in Model. Powered by Google.
+     * Optional. Tool to support searching public web data, powered by Vertex AI
+     * Search and Sec4 compliance.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder mergeGoogleSearch(com.google.cloud.vertexai.api.Tool.GoogleSearch value) {
-      if (googleSearchBuilder_ == null) {
-        if (((bitField0_ & 0x00000004) != 0)
-            && googleSearch_ != null
-            && googleSearch_
-                != com.google.cloud.vertexai.api.Tool.GoogleSearch.getDefaultInstance()) {
-          getGoogleSearchBuilder().mergeFrom(value);
+    public Builder mergeEnterpriseWebSearch(
+        com.google.cloud.vertexai.api.EnterpriseWebSearch value) {
+      if (enterpriseWebSearchBuilder_ == null) {
+        if (((bitField0_ & 0x00000020) != 0)
+            && enterpriseWebSearch_ != null
+            && enterpriseWebSearch_
+                != com.google.cloud.vertexai.api.EnterpriseWebSearch.getDefaultInstance()) {
+          getEnterpriseWebSearchBuilder().mergeFrom(value);
         } else {
-          googleSearch_ = value;
+          enterpriseWebSearch_ = value;
         }
       } else {
-        googleSearchBuilder_.mergeFrom(value);
+        enterpriseWebSearchBuilder_.mergeFrom(value);
       }
-      if (googleSearch_ != null) {
-        bitField0_ |= 0x00000004;
+      if (enterpriseWebSearch_ != null) {
+        bitField0_ |= 0x00000020;
         onChanged();
       }
       return this;
@@ -2893,20 +5887,20 @@ public Builder mergeGoogleSearch(com.google.cloud.vertexai.api.Tool.GoogleSearch
      *
      *
      * <pre>
-     * Optional. GoogleSearch tool type.
-     * Tool to support Google Search in Model. Powered by Google.
+     * Optional. Tool to support searching public web data, powered by Vertex AI
+     * Search and Sec4 compliance.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder clearGoogleSearch() {
-      bitField0_ = (bitField0_ & ~0x00000004);
-      googleSearch_ = null;
-      if (googleSearchBuilder_ != null) {
-        googleSearchBuilder_.dispose();
-        googleSearchBuilder_ = null;
+    public Builder clearEnterpriseWebSearch() {
+      bitField0_ = (bitField0_ & ~0x00000020);
+      enterpriseWebSearch_ = null;
+      if (enterpriseWebSearchBuilder_ != null) {
+        enterpriseWebSearchBuilder_.dispose();
+        enterpriseWebSearchBuilder_ = null;
       }
       onChanged();
       return this;
@@ -2916,39 +5910,41 @@ public Builder clearGoogleSearch() {
      *
      *
      * <pre>
-     * Optional. GoogleSearch tool type.
-     * Tool to support Google Search in Model. Powered by Google.
+     * Optional. Tool to support searching public web data, powered by Vertex AI
+     * Search and Sec4 compliance.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.Tool.GoogleSearch.Builder getGoogleSearchBuilder() {
-      bitField0_ |= 0x00000004;
+    public com.google.cloud.vertexai.api.EnterpriseWebSearch.Builder
+        getEnterpriseWebSearchBuilder() {
+      bitField0_ |= 0x00000020;
       onChanged();
-      return getGoogleSearchFieldBuilder().getBuilder();
+      return internalGetEnterpriseWebSearchFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. GoogleSearch tool type.
-     * Tool to support Google Search in Model. Powered by Google.
+     * Optional. Tool to support searching public web data, powered by Vertex AI
+     * Search and Sec4 compliance.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.Tool.GoogleSearchOrBuilder getGoogleSearchOrBuilder() {
-      if (googleSearchBuilder_ != null) {
-        return googleSearchBuilder_.getMessageOrBuilder();
+    public com.google.cloud.vertexai.api.EnterpriseWebSearchOrBuilder
+        getEnterpriseWebSearchOrBuilder() {
+      if (enterpriseWebSearchBuilder_ != null) {
+        return enterpriseWebSearchBuilder_.getMessageOrBuilder();
       } else {
-        return googleSearch_ == null
-            ? com.google.cloud.vertexai.api.Tool.GoogleSearch.getDefaultInstance()
-            : googleSearch_;
+        return enterpriseWebSearch_ == null
+            ? com.google.cloud.vertexai.api.EnterpriseWebSearch.getDefaultInstance()
+            : enterpriseWebSearch_;
       }
     }
 
@@ -2956,77 +5952,77 @@ public com.google.cloud.vertexai.api.Tool.GoogleSearchOrBuilder getGoogleSearchO
      *
      *
      * <pre>
-     * Optional. GoogleSearch tool type.
-     * Tool to support Google Search in Model. Powered by Google.
+     * Optional. Tool to support searching public web data, powered by Vertex AI
+     * Search and Sec4 compliance.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.GoogleSearch google_search = 7 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.Tool.GoogleSearch,
-            com.google.cloud.vertexai.api.Tool.GoogleSearch.Builder,
-            com.google.cloud.vertexai.api.Tool.GoogleSearchOrBuilder>
-        getGoogleSearchFieldBuilder() {
-      if (googleSearchBuilder_ == null) {
-        googleSearchBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.vertexai.api.Tool.GoogleSearch,
-                com.google.cloud.vertexai.api.Tool.GoogleSearch.Builder,
-                com.google.cloud.vertexai.api.Tool.GoogleSearchOrBuilder>(
-                getGoogleSearch(), getParentForChildren(), isClean());
-        googleSearch_ = null;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.EnterpriseWebSearch,
+            com.google.cloud.vertexai.api.EnterpriseWebSearch.Builder,
+            com.google.cloud.vertexai.api.EnterpriseWebSearchOrBuilder>
+        internalGetEnterpriseWebSearchFieldBuilder() {
+      if (enterpriseWebSearchBuilder_ == null) {
+        enterpriseWebSearchBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.EnterpriseWebSearch,
+                com.google.cloud.vertexai.api.EnterpriseWebSearch.Builder,
+                com.google.cloud.vertexai.api.EnterpriseWebSearchOrBuilder>(
+                getEnterpriseWebSearch(), getParentForChildren(), isClean());
+        enterpriseWebSearch_ = null;
       }
-      return googleSearchBuilder_;
+      return enterpriseWebSearchBuilder_;
     }
 
-    private com.google.cloud.vertexai.api.GoogleSearchRetrieval googleSearchRetrieval_;
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.GoogleSearchRetrieval,
-            com.google.cloud.vertexai.api.GoogleSearchRetrieval.Builder,
-            com.google.cloud.vertexai.api.GoogleSearchRetrievalOrBuilder>
-        googleSearchRetrievalBuilder_;
+    private com.google.cloud.vertexai.api.Tool.CodeExecution codeExecution_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.Tool.CodeExecution,
+            com.google.cloud.vertexai.api.Tool.CodeExecution.Builder,
+            com.google.cloud.vertexai.api.Tool.CodeExecutionOrBuilder>
+        codeExecutionBuilder_;
 
     /**
      *
      *
      * <pre>
-     * Optional. GoogleSearchRetrieval tool type.
-     * Specialized retrieval tool that is powered by Google search.
+     * Optional. CodeExecution tool type.
+     * Enables the model to execute code as part of generation.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return Whether the googleSearchRetrieval field is set.
+     * @return Whether the codeExecution field is set.
      */
-    public boolean hasGoogleSearchRetrieval() {
-      return ((bitField0_ & 0x00000008) != 0);
+    public boolean hasCodeExecution() {
+      return ((bitField0_ & 0x00000040) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. GoogleSearchRetrieval tool type.
-     * Specialized retrieval tool that is powered by Google search.
+     * Optional. CodeExecution tool type.
+     * Enables the model to execute code as part of generation.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return The googleSearchRetrieval.
+     * @return The codeExecution.
      */
-    public com.google.cloud.vertexai.api.GoogleSearchRetrieval getGoogleSearchRetrieval() {
-      if (googleSearchRetrievalBuilder_ == null) {
-        return googleSearchRetrieval_ == null
-            ? com.google.cloud.vertexai.api.GoogleSearchRetrieval.getDefaultInstance()
-            : googleSearchRetrieval_;
+    public com.google.cloud.vertexai.api.Tool.CodeExecution getCodeExecution() {
+      if (codeExecutionBuilder_ == null) {
+        return codeExecution_ == null
+            ? com.google.cloud.vertexai.api.Tool.CodeExecution.getDefaultInstance()
+            : codeExecution_;
       } else {
-        return googleSearchRetrievalBuilder_.getMessage();
+        return codeExecutionBuilder_.getMessage();
       }
     }
 
@@ -3034,25 +6030,24 @@ public com.google.cloud.vertexai.api.GoogleSearchRetrieval getGoogleSearchRetrie
      *
      *
      * <pre>
-     * Optional. GoogleSearchRetrieval tool type.
-     * Specialized retrieval tool that is powered by Google search.
+     * Optional. CodeExecution tool type.
+     * Enables the model to execute code as part of generation.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setGoogleSearchRetrieval(
-        com.google.cloud.vertexai.api.GoogleSearchRetrieval value) {
-      if (googleSearchRetrievalBuilder_ == null) {
+    public Builder setCodeExecution(com.google.cloud.vertexai.api.Tool.CodeExecution value) {
+      if (codeExecutionBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
         }
-        googleSearchRetrieval_ = value;
+        codeExecution_ = value;
       } else {
-        googleSearchRetrievalBuilder_.setMessage(value);
+        codeExecutionBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000040;
       onChanged();
       return this;
     }
@@ -3061,22 +6056,22 @@ public Builder setGoogleSearchRetrieval(
      *
      *
      * <pre>
-     * Optional. GoogleSearchRetrieval tool type.
-     * Specialized retrieval tool that is powered by Google search.
+     * Optional. CodeExecution tool type.
+     * Enables the model to execute code as part of generation.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setGoogleSearchRetrieval(
-        com.google.cloud.vertexai.api.GoogleSearchRetrieval.Builder builderForValue) {
-      if (googleSearchRetrievalBuilder_ == null) {
-        googleSearchRetrieval_ = builderForValue.build();
+    public Builder setCodeExecution(
+        com.google.cloud.vertexai.api.Tool.CodeExecution.Builder builderForValue) {
+      if (codeExecutionBuilder_ == null) {
+        codeExecution_ = builderForValue.build();
       } else {
-        googleSearchRetrievalBuilder_.setMessage(builderForValue.build());
+        codeExecutionBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000040;
       onChanged();
       return this;
     }
@@ -3085,30 +6080,29 @@ public Builder setGoogleSearchRetrieval(
      *
      *
      * <pre>
-     * Optional. GoogleSearchRetrieval tool type.
-     * Specialized retrieval tool that is powered by Google search.
+     * Optional. CodeExecution tool type.
+     * Enables the model to execute code as part of generation.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder mergeGoogleSearchRetrieval(
-        com.google.cloud.vertexai.api.GoogleSearchRetrieval value) {
-      if (googleSearchRetrievalBuilder_ == null) {
-        if (((bitField0_ & 0x00000008) != 0)
-            && googleSearchRetrieval_ != null
-            && googleSearchRetrieval_
-                != com.google.cloud.vertexai.api.GoogleSearchRetrieval.getDefaultInstance()) {
-          getGoogleSearchRetrievalBuilder().mergeFrom(value);
+    public Builder mergeCodeExecution(com.google.cloud.vertexai.api.Tool.CodeExecution value) {
+      if (codeExecutionBuilder_ == null) {
+        if (((bitField0_ & 0x00000040) != 0)
+            && codeExecution_ != null
+            && codeExecution_
+                != com.google.cloud.vertexai.api.Tool.CodeExecution.getDefaultInstance()) {
+          getCodeExecutionBuilder().mergeFrom(value);
         } else {
-          googleSearchRetrieval_ = value;
+          codeExecution_ = value;
         }
       } else {
-        googleSearchRetrievalBuilder_.mergeFrom(value);
+        codeExecutionBuilder_.mergeFrom(value);
       }
-      if (googleSearchRetrieval_ != null) {
-        bitField0_ |= 0x00000008;
+      if (codeExecution_ != null) {
+        bitField0_ |= 0x00000040;
         onChanged();
       }
       return this;
@@ -3118,20 +6112,20 @@ public Builder mergeGoogleSearchRetrieval(
      *
      *
      * <pre>
-     * Optional. GoogleSearchRetrieval tool type.
-     * Specialized retrieval tool that is powered by Google search.
+     * Optional. CodeExecution tool type.
+     * Enables the model to execute code as part of generation.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder clearGoogleSearchRetrieval() {
-      bitField0_ = (bitField0_ & ~0x00000008);
-      googleSearchRetrieval_ = null;
-      if (googleSearchRetrievalBuilder_ != null) {
-        googleSearchRetrievalBuilder_.dispose();
-        googleSearchRetrievalBuilder_ = null;
+    public Builder clearCodeExecution() {
+      bitField0_ = (bitField0_ & ~0x00000040);
+      codeExecution_ = null;
+      if (codeExecutionBuilder_ != null) {
+        codeExecutionBuilder_.dispose();
+        codeExecutionBuilder_ = null;
       }
       onChanged();
       return this;
@@ -3141,41 +6135,39 @@ public Builder clearGoogleSearchRetrieval() {
      *
      *
      * <pre>
-     * Optional. GoogleSearchRetrieval tool type.
-     * Specialized retrieval tool that is powered by Google search.
+     * Optional. CodeExecution tool type.
+     * Enables the model to execute code as part of generation.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.GoogleSearchRetrieval.Builder
-        getGoogleSearchRetrievalBuilder() {
-      bitField0_ |= 0x00000008;
+    public com.google.cloud.vertexai.api.Tool.CodeExecution.Builder getCodeExecutionBuilder() {
+      bitField0_ |= 0x00000040;
       onChanged();
-      return getGoogleSearchRetrievalFieldBuilder().getBuilder();
+      return internalGetCodeExecutionFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. GoogleSearchRetrieval tool type.
-     * Specialized retrieval tool that is powered by Google search.
+     * Optional. CodeExecution tool type.
+     * Enables the model to execute code as part of generation.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.GoogleSearchRetrievalOrBuilder
-        getGoogleSearchRetrievalOrBuilder() {
-      if (googleSearchRetrievalBuilder_ != null) {
-        return googleSearchRetrievalBuilder_.getMessageOrBuilder();
+    public com.google.cloud.vertexai.api.Tool.CodeExecutionOrBuilder getCodeExecutionOrBuilder() {
+      if (codeExecutionBuilder_ != null) {
+        return codeExecutionBuilder_.getMessageOrBuilder();
       } else {
-        return googleSearchRetrieval_ == null
-            ? com.google.cloud.vertexai.api.GoogleSearchRetrieval.getDefaultInstance()
-            : googleSearchRetrieval_;
+        return codeExecution_ == null
+            ? com.google.cloud.vertexai.api.Tool.CodeExecution.getDefaultInstance()
+            : codeExecution_;
       }
     }
 
@@ -3183,77 +6175,75 @@ public Builder clearGoogleSearchRetrieval() {
      *
      *
      * <pre>
-     * Optional. GoogleSearchRetrieval tool type.
-     * Specialized retrieval tool that is powered by Google search.
+     * Optional. CodeExecution tool type.
+     * Enables the model to execute code as part of generation.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.GoogleSearchRetrieval google_search_retrieval = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.GoogleSearchRetrieval,
-            com.google.cloud.vertexai.api.GoogleSearchRetrieval.Builder,
-            com.google.cloud.vertexai.api.GoogleSearchRetrievalOrBuilder>
-        getGoogleSearchRetrievalFieldBuilder() {
-      if (googleSearchRetrievalBuilder_ == null) {
-        googleSearchRetrievalBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.vertexai.api.GoogleSearchRetrieval,
-                com.google.cloud.vertexai.api.GoogleSearchRetrieval.Builder,
-                com.google.cloud.vertexai.api.GoogleSearchRetrievalOrBuilder>(
-                getGoogleSearchRetrieval(), getParentForChildren(), isClean());
-        googleSearchRetrieval_ = null;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.Tool.CodeExecution,
+            com.google.cloud.vertexai.api.Tool.CodeExecution.Builder,
+            com.google.cloud.vertexai.api.Tool.CodeExecutionOrBuilder>
+        internalGetCodeExecutionFieldBuilder() {
+      if (codeExecutionBuilder_ == null) {
+        codeExecutionBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.Tool.CodeExecution,
+                com.google.cloud.vertexai.api.Tool.CodeExecution.Builder,
+                com.google.cloud.vertexai.api.Tool.CodeExecutionOrBuilder>(
+                getCodeExecution(), getParentForChildren(), isClean());
+        codeExecution_ = null;
       }
-      return googleSearchRetrievalBuilder_;
+      return codeExecutionBuilder_;
     }
 
-    private com.google.cloud.vertexai.api.EnterpriseWebSearch enterpriseWebSearch_;
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.EnterpriseWebSearch,
-            com.google.cloud.vertexai.api.EnterpriseWebSearch.Builder,
-            com.google.cloud.vertexai.api.EnterpriseWebSearchOrBuilder>
-        enterpriseWebSearchBuilder_;
+    private com.google.cloud.vertexai.api.UrlContext urlContext_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.UrlContext,
+            com.google.cloud.vertexai.api.UrlContext.Builder,
+            com.google.cloud.vertexai.api.UrlContextOrBuilder>
+        urlContextBuilder_;
 
     /**
      *
      *
      * <pre>
-     * Optional. Tool to support searching public web data, powered by Vertex AI
-     * Search and Sec4 compliance.
+     * Optional. Tool to support URL context retrieval.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return Whether the enterpriseWebSearch field is set.
+     * @return Whether the urlContext field is set.
      */
-    public boolean hasEnterpriseWebSearch() {
-      return ((bitField0_ & 0x00000010) != 0);
+    public boolean hasUrlContext() {
+      return ((bitField0_ & 0x00000080) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Tool to support searching public web data, powered by Vertex AI
-     * Search and Sec4 compliance.
+     * Optional. Tool to support URL context retrieval.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return The enterpriseWebSearch.
+     * @return The urlContext.
      */
-    public com.google.cloud.vertexai.api.EnterpriseWebSearch getEnterpriseWebSearch() {
-      if (enterpriseWebSearchBuilder_ == null) {
-        return enterpriseWebSearch_ == null
-            ? com.google.cloud.vertexai.api.EnterpriseWebSearch.getDefaultInstance()
-            : enterpriseWebSearch_;
+    public com.google.cloud.vertexai.api.UrlContext getUrlContext() {
+      if (urlContextBuilder_ == null) {
+        return urlContext_ == null
+            ? com.google.cloud.vertexai.api.UrlContext.getDefaultInstance()
+            : urlContext_;
       } else {
-        return enterpriseWebSearchBuilder_.getMessage();
+        return urlContextBuilder_.getMessage();
       }
     }
 
@@ -3261,24 +6251,23 @@ public com.google.cloud.vertexai.api.EnterpriseWebSearch getEnterpriseWebSearch(
      *
      *
      * <pre>
-     * Optional. Tool to support searching public web data, powered by Vertex AI
-     * Search and Sec4 compliance.
+     * Optional. Tool to support URL context retrieval.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setEnterpriseWebSearch(com.google.cloud.vertexai.api.EnterpriseWebSearch value) {
-      if (enterpriseWebSearchBuilder_ == null) {
+    public Builder setUrlContext(com.google.cloud.vertexai.api.UrlContext value) {
+      if (urlContextBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
         }
-        enterpriseWebSearch_ = value;
+        urlContext_ = value;
       } else {
-        enterpriseWebSearchBuilder_.setMessage(value);
+        urlContextBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00000010;
+      bitField0_ |= 0x00000080;
       onChanged();
       return this;
     }
@@ -3287,22 +6276,20 @@ public Builder setEnterpriseWebSearch(com.google.cloud.vertexai.api.EnterpriseWe
      *
      *
      * <pre>
-     * Optional. Tool to support searching public web data, powered by Vertex AI
-     * Search and Sec4 compliance.
+     * Optional. Tool to support URL context retrieval.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setEnterpriseWebSearch(
-        com.google.cloud.vertexai.api.EnterpriseWebSearch.Builder builderForValue) {
-      if (enterpriseWebSearchBuilder_ == null) {
-        enterpriseWebSearch_ = builderForValue.build();
+    public Builder setUrlContext(com.google.cloud.vertexai.api.UrlContext.Builder builderForValue) {
+      if (urlContextBuilder_ == null) {
+        urlContext_ = builderForValue.build();
       } else {
-        enterpriseWebSearchBuilder_.setMessage(builderForValue.build());
+        urlContextBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00000010;
+      bitField0_ |= 0x00000080;
       onChanged();
       return this;
     }
@@ -3311,30 +6298,27 @@ public Builder setEnterpriseWebSearch(
      *
      *
      * <pre>
-     * Optional. Tool to support searching public web data, powered by Vertex AI
-     * Search and Sec4 compliance.
+     * Optional. Tool to support URL context retrieval.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder mergeEnterpriseWebSearch(
-        com.google.cloud.vertexai.api.EnterpriseWebSearch value) {
-      if (enterpriseWebSearchBuilder_ == null) {
-        if (((bitField0_ & 0x00000010) != 0)
-            && enterpriseWebSearch_ != null
-            && enterpriseWebSearch_
-                != com.google.cloud.vertexai.api.EnterpriseWebSearch.getDefaultInstance()) {
-          getEnterpriseWebSearchBuilder().mergeFrom(value);
+    public Builder mergeUrlContext(com.google.cloud.vertexai.api.UrlContext value) {
+      if (urlContextBuilder_ == null) {
+        if (((bitField0_ & 0x00000080) != 0)
+            && urlContext_ != null
+            && urlContext_ != com.google.cloud.vertexai.api.UrlContext.getDefaultInstance()) {
+          getUrlContextBuilder().mergeFrom(value);
         } else {
-          enterpriseWebSearch_ = value;
+          urlContext_ = value;
         }
       } else {
-        enterpriseWebSearchBuilder_.mergeFrom(value);
+        urlContextBuilder_.mergeFrom(value);
       }
-      if (enterpriseWebSearch_ != null) {
-        bitField0_ |= 0x00000010;
+      if (urlContext_ != null) {
+        bitField0_ |= 0x00000080;
         onChanged();
       }
       return this;
@@ -3344,20 +6328,19 @@ public Builder mergeEnterpriseWebSearch(
      *
      *
      * <pre>
-     * Optional. Tool to support searching public web data, powered by Vertex AI
-     * Search and Sec4 compliance.
+     * Optional. Tool to support URL context retrieval.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder clearEnterpriseWebSearch() {
-      bitField0_ = (bitField0_ & ~0x00000010);
-      enterpriseWebSearch_ = null;
-      if (enterpriseWebSearchBuilder_ != null) {
-        enterpriseWebSearchBuilder_.dispose();
-        enterpriseWebSearchBuilder_ = null;
+    public Builder clearUrlContext() {
+      bitField0_ = (bitField0_ & ~0x00000080);
+      urlContext_ = null;
+      if (urlContextBuilder_ != null) {
+        urlContextBuilder_.dispose();
+        urlContextBuilder_ = null;
       }
       onChanged();
       return this;
@@ -3367,41 +6350,37 @@ public Builder clearEnterpriseWebSearch() {
      *
      *
      * <pre>
-     * Optional. Tool to support searching public web data, powered by Vertex AI
-     * Search and Sec4 compliance.
+     * Optional. Tool to support URL context retrieval.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.EnterpriseWebSearch.Builder
-        getEnterpriseWebSearchBuilder() {
-      bitField0_ |= 0x00000010;
+    public com.google.cloud.vertexai.api.UrlContext.Builder getUrlContextBuilder() {
+      bitField0_ |= 0x00000080;
       onChanged();
-      return getEnterpriseWebSearchFieldBuilder().getBuilder();
+      return internalGetUrlContextFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. Tool to support searching public web data, powered by Vertex AI
-     * Search and Sec4 compliance.
+     * Optional. Tool to support URL context retrieval.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.EnterpriseWebSearchOrBuilder
-        getEnterpriseWebSearchOrBuilder() {
-      if (enterpriseWebSearchBuilder_ != null) {
-        return enterpriseWebSearchBuilder_.getMessageOrBuilder();
+    public com.google.cloud.vertexai.api.UrlContextOrBuilder getUrlContextOrBuilder() {
+      if (urlContextBuilder_ != null) {
+        return urlContextBuilder_.getMessageOrBuilder();
       } else {
-        return enterpriseWebSearch_ == null
-            ? com.google.cloud.vertexai.api.EnterpriseWebSearch.getDefaultInstance()
-            : enterpriseWebSearch_;
+        return urlContext_ == null
+            ? com.google.cloud.vertexai.api.UrlContext.getDefaultInstance()
+            : urlContext_;
       }
     }
 
@@ -3409,77 +6388,78 @@ public Builder clearEnterpriseWebSearch() {
      *
      *
      * <pre>
-     * Optional. Tool to support searching public web data, powered by Vertex AI
-     * Search and Sec4 compliance.
+     * Optional. Tool to support URL context retrieval.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.EnterpriseWebSearch enterprise_web_search = 6 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.EnterpriseWebSearch,
-            com.google.cloud.vertexai.api.EnterpriseWebSearch.Builder,
-            com.google.cloud.vertexai.api.EnterpriseWebSearchOrBuilder>
-        getEnterpriseWebSearchFieldBuilder() {
-      if (enterpriseWebSearchBuilder_ == null) {
-        enterpriseWebSearchBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.vertexai.api.EnterpriseWebSearch,
-                com.google.cloud.vertexai.api.EnterpriseWebSearch.Builder,
-                com.google.cloud.vertexai.api.EnterpriseWebSearchOrBuilder>(
-                getEnterpriseWebSearch(), getParentForChildren(), isClean());
-        enterpriseWebSearch_ = null;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.UrlContext,
+            com.google.cloud.vertexai.api.UrlContext.Builder,
+            com.google.cloud.vertexai.api.UrlContextOrBuilder>
+        internalGetUrlContextFieldBuilder() {
+      if (urlContextBuilder_ == null) {
+        urlContextBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.UrlContext,
+                com.google.cloud.vertexai.api.UrlContext.Builder,
+                com.google.cloud.vertexai.api.UrlContextOrBuilder>(
+                getUrlContext(), getParentForChildren(), isClean());
+        urlContext_ = null;
       }
-      return enterpriseWebSearchBuilder_;
+      return urlContextBuilder_;
     }
 
-    private com.google.cloud.vertexai.api.Tool.CodeExecution codeExecution_;
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.Tool.CodeExecution,
-            com.google.cloud.vertexai.api.Tool.CodeExecution.Builder,
-            com.google.cloud.vertexai.api.Tool.CodeExecutionOrBuilder>
-        codeExecutionBuilder_;
+    private com.google.cloud.vertexai.api.Tool.ComputerUse computerUse_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.Tool.ComputerUse,
+            com.google.cloud.vertexai.api.Tool.ComputerUse.Builder,
+            com.google.cloud.vertexai.api.Tool.ComputerUseOrBuilder>
+        computerUseBuilder_;
 
     /**
      *
      *
      * <pre>
-     * Optional. CodeExecution tool type.
-     * Enables the model to execute code as part of generation.
+     * Optional. Tool to support the model interacting directly with the computer.
+     * If enabled, it automatically populates computer-use specific Function
+     * Declarations.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return Whether the codeExecution field is set.
+     * @return Whether the computerUse field is set.
      */
-    public boolean hasCodeExecution() {
-      return ((bitField0_ & 0x00000020) != 0);
+    public boolean hasComputerUse() {
+      return ((bitField0_ & 0x00000100) != 0);
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. CodeExecution tool type.
-     * Enables the model to execute code as part of generation.
+     * Optional. Tool to support the model interacting directly with the computer.
+     * If enabled, it automatically populates computer-use specific Function
+     * Declarations.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      *
-     * @return The codeExecution.
+     * @return The computerUse.
      */
-    public com.google.cloud.vertexai.api.Tool.CodeExecution getCodeExecution() {
-      if (codeExecutionBuilder_ == null) {
-        return codeExecution_ == null
-            ? com.google.cloud.vertexai.api.Tool.CodeExecution.getDefaultInstance()
-            : codeExecution_;
+    public com.google.cloud.vertexai.api.Tool.ComputerUse getComputerUse() {
+      if (computerUseBuilder_ == null) {
+        return computerUse_ == null
+            ? com.google.cloud.vertexai.api.Tool.ComputerUse.getDefaultInstance()
+            : computerUse_;
       } else {
-        return codeExecutionBuilder_.getMessage();
+        return computerUseBuilder_.getMessage();
       }
     }
 
@@ -3487,24 +6467,25 @@ public com.google.cloud.vertexai.api.Tool.CodeExecution getCodeExecution() {
      *
      *
      * <pre>
-     * Optional. CodeExecution tool type.
-     * Enables the model to execute code as part of generation.
+     * Optional. Tool to support the model interacting directly with the computer.
+     * If enabled, it automatically populates computer-use specific Function
+     * Declarations.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setCodeExecution(com.google.cloud.vertexai.api.Tool.CodeExecution value) {
-      if (codeExecutionBuilder_ == null) {
+    public Builder setComputerUse(com.google.cloud.vertexai.api.Tool.ComputerUse value) {
+      if (computerUseBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
         }
-        codeExecution_ = value;
+        computerUse_ = value;
       } else {
-        codeExecutionBuilder_.setMessage(value);
+        computerUseBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00000020;
+      bitField0_ |= 0x00000100;
       onChanged();
       return this;
     }
@@ -3513,22 +6494,23 @@ public Builder setCodeExecution(com.google.cloud.vertexai.api.Tool.CodeExecution
      *
      *
      * <pre>
-     * Optional. CodeExecution tool type.
-     * Enables the model to execute code as part of generation.
+     * Optional. Tool to support the model interacting directly with the computer.
+     * If enabled, it automatically populates computer-use specific Function
+     * Declarations.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder setCodeExecution(
-        com.google.cloud.vertexai.api.Tool.CodeExecution.Builder builderForValue) {
-      if (codeExecutionBuilder_ == null) {
-        codeExecution_ = builderForValue.build();
+    public Builder setComputerUse(
+        com.google.cloud.vertexai.api.Tool.ComputerUse.Builder builderForValue) {
+      if (computerUseBuilder_ == null) {
+        computerUse_ = builderForValue.build();
       } else {
-        codeExecutionBuilder_.setMessage(builderForValue.build());
+        computerUseBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00000020;
+      bitField0_ |= 0x00000100;
       onChanged();
       return this;
     }
@@ -3537,29 +6519,30 @@ public Builder setCodeExecution(
      *
      *
      * <pre>
-     * Optional. CodeExecution tool type.
-     * Enables the model to execute code as part of generation.
+     * Optional. Tool to support the model interacting directly with the computer.
+     * If enabled, it automatically populates computer-use specific Function
+     * Declarations.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder mergeCodeExecution(com.google.cloud.vertexai.api.Tool.CodeExecution value) {
-      if (codeExecutionBuilder_ == null) {
-        if (((bitField0_ & 0x00000020) != 0)
-            && codeExecution_ != null
-            && codeExecution_
-                != com.google.cloud.vertexai.api.Tool.CodeExecution.getDefaultInstance()) {
-          getCodeExecutionBuilder().mergeFrom(value);
+    public Builder mergeComputerUse(com.google.cloud.vertexai.api.Tool.ComputerUse value) {
+      if (computerUseBuilder_ == null) {
+        if (((bitField0_ & 0x00000100) != 0)
+            && computerUse_ != null
+            && computerUse_
+                != com.google.cloud.vertexai.api.Tool.ComputerUse.getDefaultInstance()) {
+          getComputerUseBuilder().mergeFrom(value);
         } else {
-          codeExecution_ = value;
+          computerUse_ = value;
         }
       } else {
-        codeExecutionBuilder_.mergeFrom(value);
+        computerUseBuilder_.mergeFrom(value);
       }
-      if (codeExecution_ != null) {
-        bitField0_ |= 0x00000020;
+      if (computerUse_ != null) {
+        bitField0_ |= 0x00000100;
         onChanged();
       }
       return this;
@@ -3569,20 +6552,21 @@ public Builder mergeCodeExecution(com.google.cloud.vertexai.api.Tool.CodeExecuti
      *
      *
      * <pre>
-     * Optional. CodeExecution tool type.
-     * Enables the model to execute code as part of generation.
+     * Optional. Tool to support the model interacting directly with the computer.
+     * If enabled, it automatically populates computer-use specific Function
+     * Declarations.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public Builder clearCodeExecution() {
-      bitField0_ = (bitField0_ & ~0x00000020);
-      codeExecution_ = null;
-      if (codeExecutionBuilder_ != null) {
-        codeExecutionBuilder_.dispose();
-        codeExecutionBuilder_ = null;
+    public Builder clearComputerUse() {
+      bitField0_ = (bitField0_ & ~0x00000100);
+      computerUse_ = null;
+      if (computerUseBuilder_ != null) {
+        computerUseBuilder_.dispose();
+        computerUseBuilder_ = null;
       }
       onChanged();
       return this;
@@ -3592,39 +6576,41 @@ public Builder clearCodeExecution() {
      *
      *
      * <pre>
-     * Optional. CodeExecution tool type.
-     * Enables the model to execute code as part of generation.
+     * Optional. Tool to support the model interacting directly with the computer.
+     * If enabled, it automatically populates computer-use specific Function
+     * Declarations.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.Tool.CodeExecution.Builder getCodeExecutionBuilder() {
-      bitField0_ |= 0x00000020;
+    public com.google.cloud.vertexai.api.Tool.ComputerUse.Builder getComputerUseBuilder() {
+      bitField0_ |= 0x00000100;
       onChanged();
-      return getCodeExecutionFieldBuilder().getBuilder();
+      return internalGetComputerUseFieldBuilder().getBuilder();
     }
 
     /**
      *
      *
      * <pre>
-     * Optional. CodeExecution tool type.
-     * Enables the model to execute code as part of generation.
+     * Optional. Tool to support the model interacting directly with the computer.
+     * If enabled, it automatically populates computer-use specific Function
+     * Declarations.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    public com.google.cloud.vertexai.api.Tool.CodeExecutionOrBuilder getCodeExecutionOrBuilder() {
-      if (codeExecutionBuilder_ != null) {
-        return codeExecutionBuilder_.getMessageOrBuilder();
+    public com.google.cloud.vertexai.api.Tool.ComputerUseOrBuilder getComputerUseOrBuilder() {
+      if (computerUseBuilder_ != null) {
+        return computerUseBuilder_.getMessageOrBuilder();
       } else {
-        return codeExecution_ == null
-            ? com.google.cloud.vertexai.api.Tool.CodeExecution.getDefaultInstance()
-            : codeExecution_;
+        return computerUse_ == null
+            ? com.google.cloud.vertexai.api.Tool.ComputerUse.getDefaultInstance()
+            : computerUse_;
       }
     }
 
@@ -3632,40 +6618,30 @@ public com.google.cloud.vertexai.api.Tool.CodeExecutionOrBuilder getCodeExecutio
      *
      *
      * <pre>
-     * Optional. CodeExecution tool type.
-     * Enables the model to execute code as part of generation.
+     * Optional. Tool to support the model interacting directly with the computer.
+     * If enabled, it automatically populates computer-use specific Function
+     * Declarations.
      * </pre>
      *
      * <code>
-     * .google.cloud.vertexai.v1.Tool.CodeExecution code_execution = 4 [(.google.api.field_behavior) = OPTIONAL];
+     * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.vertexai.api.Tool.CodeExecution,
-            com.google.cloud.vertexai.api.Tool.CodeExecution.Builder,
-            com.google.cloud.vertexai.api.Tool.CodeExecutionOrBuilder>
-        getCodeExecutionFieldBuilder() {
-      if (codeExecutionBuilder_ == null) {
-        codeExecutionBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.vertexai.api.Tool.CodeExecution,
-                com.google.cloud.vertexai.api.Tool.CodeExecution.Builder,
-                com.google.cloud.vertexai.api.Tool.CodeExecutionOrBuilder>(
-                getCodeExecution(), getParentForChildren(), isClean());
-        codeExecution_ = null;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.Tool.ComputerUse,
+            com.google.cloud.vertexai.api.Tool.ComputerUse.Builder,
+            com.google.cloud.vertexai.api.Tool.ComputerUseOrBuilder>
+        internalGetComputerUseFieldBuilder() {
+      if (computerUseBuilder_ == null) {
+        computerUseBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.Tool.ComputerUse,
+                com.google.cloud.vertexai.api.Tool.ComputerUse.Builder,
+                com.google.cloud.vertexai.api.Tool.ComputerUseOrBuilder>(
+                getComputerUse(), getParentForChildren(), isClean());
+        computerUse_ = null;
       }
-      return codeExecutionBuilder_;
-    }
-
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+      return computerUseBuilder_;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.Tool)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolConfig.java
index de2fd207ff5c..085dbb335927 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolConfig.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolConfig.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.ToolConfig}
  */
-public final class ToolConfig extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class ToolConfig extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.ToolConfig)
     ToolConfigOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ToolConfig");
+  }
+
   // Use ToolConfig.newBuilder() to construct.
-  private ToolConfig(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private ToolConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private ToolConfig() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new ToolConfig();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_ToolConfig_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_ToolConfig_fieldAccessorTable
@@ -302,38 +308,38 @@ public static com.google.cloud.vertexai.api.ToolConfig parseFrom(
 
   public static com.google.cloud.vertexai.api.ToolConfig parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ToolConfig parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ToolConfig parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ToolConfig parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.ToolConfig parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.ToolConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -356,7 +362,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -370,7 +376,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.ToolConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.ToolConfig)
       com.google.cloud.vertexai.api.ToolConfigOrBuilder {
@@ -380,7 +386,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_ToolConfig_fieldAccessorTable
@@ -394,15 +400,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getFunctionCallingConfigFieldBuilder();
-        getRetrievalConfigFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetFunctionCallingConfigFieldBuilder();
+        internalGetRetrievalConfigFieldBuilder();
       }
     }
 
@@ -472,39 +478,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.ToolConfig result) {
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.ToolConfig) {
@@ -552,13 +525,14 @@ public Builder mergeFrom(
             case 10:
               {
                 input.readMessage(
-                    getFunctionCallingConfigFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetFunctionCallingConfigFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
             case 18:
               {
-                input.readMessage(getRetrievalConfigFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetRetrievalConfigFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
@@ -582,7 +556,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.FunctionCallingConfig functionCallingConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.FunctionCallingConfig,
             com.google.cloud.vertexai.api.FunctionCallingConfig.Builder,
             com.google.cloud.vertexai.api.FunctionCallingConfigOrBuilder>
@@ -746,7 +720,7 @@ public Builder clearFunctionCallingConfig() {
         getFunctionCallingConfigBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getFunctionCallingConfigFieldBuilder().getBuilder();
+      return internalGetFunctionCallingConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -782,14 +756,14 @@ public Builder clearFunctionCallingConfig() {
      * .google.cloud.vertexai.v1.FunctionCallingConfig function_calling_config = 1 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.FunctionCallingConfig,
             com.google.cloud.vertexai.api.FunctionCallingConfig.Builder,
             com.google.cloud.vertexai.api.FunctionCallingConfigOrBuilder>
-        getFunctionCallingConfigFieldBuilder() {
+        internalGetFunctionCallingConfigFieldBuilder() {
       if (functionCallingConfigBuilder_ == null) {
         functionCallingConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.FunctionCallingConfig,
                 com.google.cloud.vertexai.api.FunctionCallingConfig.Builder,
                 com.google.cloud.vertexai.api.FunctionCallingConfigOrBuilder>(
@@ -800,7 +774,7 @@ public Builder clearFunctionCallingConfig() {
     }
 
     private com.google.cloud.vertexai.api.RetrievalConfig retrievalConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.RetrievalConfig,
             com.google.cloud.vertexai.api.RetrievalConfig.Builder,
             com.google.cloud.vertexai.api.RetrievalConfigOrBuilder>
@@ -961,7 +935,7 @@ public Builder clearRetrievalConfig() {
     public com.google.cloud.vertexai.api.RetrievalConfig.Builder getRetrievalConfigBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getRetrievalConfigFieldBuilder().getBuilder();
+      return internalGetRetrievalConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -996,14 +970,14 @@ public com.google.cloud.vertexai.api.RetrievalConfigOrBuilder getRetrievalConfig
      * .google.cloud.vertexai.v1.RetrievalConfig retrieval_config = 2 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.RetrievalConfig,
             com.google.cloud.vertexai.api.RetrievalConfig.Builder,
             com.google.cloud.vertexai.api.RetrievalConfigOrBuilder>
-        getRetrievalConfigFieldBuilder() {
+        internalGetRetrievalConfigFieldBuilder() {
       if (retrievalConfigBuilder_ == null) {
         retrievalConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.RetrievalConfig,
                 com.google.cloud.vertexai.api.RetrievalConfig.Builder,
                 com.google.cloud.vertexai.api.RetrievalConfigOrBuilder>(
@@ -1013,17 +987,6 @@ public com.google.cloud.vertexai.api.RetrievalConfigOrBuilder getRetrievalConfig
       return retrievalConfigBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.ToolConfig)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolConfigOrBuilder.java
index 5f8932c8f567..1b92be7d22e7 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolConfigOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolConfigOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ToolConfigOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.ToolConfig)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolOrBuilder.java
index 996dab045686..1ba22006ad10 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface ToolOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.Tool)
@@ -275,6 +277,52 @@ com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder getFunctionDeclaratio
    */
   com.google.cloud.vertexai.api.GoogleSearchRetrievalOrBuilder getGoogleSearchRetrievalOrBuilder();
 
+  /**
+   *
+   *
+   * <pre>
+   * Optional. GoogleMaps tool type.
+   * Tool to support Google Maps in Model.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the googleMaps field is set.
+   */
+  boolean hasGoogleMaps();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. GoogleMaps tool type.
+   * Tool to support Google Maps in Model.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The googleMaps.
+   */
+  com.google.cloud.vertexai.api.GoogleMaps getGoogleMaps();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. GoogleMaps tool type.
+   * Tool to support Google Maps in Model.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.GoogleMaps google_maps = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.GoogleMapsOrBuilder getGoogleMapsOrBuilder();
+
   /**
    *
    *
@@ -366,4 +414,96 @@ com.google.cloud.vertexai.api.FunctionDeclarationOrBuilder getFunctionDeclaratio
    * </code>
    */
   com.google.cloud.vertexai.api.Tool.CodeExecutionOrBuilder getCodeExecutionOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support URL context retrieval.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the urlContext field is set.
+   */
+  boolean hasUrlContext();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support URL context retrieval.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The urlContext.
+   */
+  com.google.cloud.vertexai.api.UrlContext getUrlContext();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support URL context retrieval.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UrlContext url_context = 10 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.UrlContextOrBuilder getUrlContextOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support the model interacting directly with the computer.
+   * If enabled, it automatically populates computer-use specific Function
+   * Declarations.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the computerUse field is set.
+   */
+  boolean hasComputerUse();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support the model interacting directly with the computer.
+   * If enabled, it automatically populates computer-use specific Function
+   * Declarations.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The computerUse.
+   */
+  com.google.cloud.vertexai.api.Tool.ComputerUse getComputerUse();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Tool to support the model interacting directly with the computer.
+   * If enabled, it automatically populates computer-use specific Function
+   * Declarations.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.Tool.ComputerUse computer_use = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.Tool.ComputerUseOrBuilder getComputerUseOrBuilder();
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolProto.java
index fb35999aa7c6..c0231fb1a4b4 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ToolProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class ToolProto {
+@com.google.protobuf.Generated
+public final class ToolProto extends com.google.protobuf.GeneratedFile {
   private ToolProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "ToolProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,95 +42,127 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Tool_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Tool_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Tool_CodeExecution_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Tool_CodeExecution_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_Tool_ComputerUse_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_Tool_ComputerUse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_UrlContext_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_UrlContext_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_FunctionDeclaration_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_FunctionDeclaration_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_FunctionCall_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_FunctionCall_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_PartialArg_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_PartialArg_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_FunctionResponsePart_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_FunctionResponsePart_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_FunctionResponseBlob_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_FunctionResponseBlob_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_FunctionResponseFileData_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_FunctionResponseFileData_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_FunctionResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_FunctionResponse_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ExecutableCode_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ExecutableCode_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_CodeExecutionResult_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_CodeExecutionResult_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Retrieval_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Retrieval_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_VertexRagStore_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_VertexRagStore_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_VertexRagStore_RagResource_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_VertexRagStore_RagResource_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_VertexAISearch_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_VertexAISearch_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_VertexAISearch_DataStoreSpec_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_VertexAISearch_DataStoreSpec_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_GoogleSearchRetrieval_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_GoogleSearchRetrieval_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_GoogleMaps_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_GoogleMaps_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_EnterpriseWebSearch_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_EnterpriseWebSearch_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DynamicRetrievalConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DynamicRetrievalConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_ToolConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_ToolConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_FunctionCallingConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_FunctionCallingConfig_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_RetrievalConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
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   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
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   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Filter_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Filter_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_RankService_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_RankService_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_LlmRanker_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
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   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -129,102 +173,209 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
 
   static {
     java.lang.String[] descriptorData = {
-      "\n#google/cloud/vertexai/v1/tool.proto\022\030g"
+      "\n"
+          + "#google/cloud/vertexai/v1/tool.proto\022\030g"
           + "oogle.cloud.vertexai.v1\032\037google/api/fiel"
           + "d_behavior.proto\032\031google/api/resource.pr"
           + "oto\032&google/cloud/vertexai/v1/openapi.pr"
-          + "oto\032\034google/protobuf/struct.proto\032\030googl"
-          + "e/type/latlng.proto\"\365\003\n\004Tool\022Q\n\025function"
-          + "_declarations\030\001 \003(\0132-.google.cloud.verte"
-          + "xai.v1.FunctionDeclarationB\003\340A\001\022;\n\tretri"
-          + "eval\030\002 \001(\0132#.google.cloud.vertexai.v1.Re"
-          + "trievalB\003\340A\001\022G\n\rgoogle_search\030\007 \001(\0132+.go"
-          + "ogle.cloud.vertexai.v1.Tool.GoogleSearch"
-          + "B\003\340A\001\022U\n\027google_search_retrieval\030\003 \001(\0132/"
-          + ".google.cloud.vertexai.v1.GoogleSearchRe"
-          + "trievalB\003\340A\001\022Q\n\025enterprise_web_search\030\006 "
-          + "\001(\0132-.google.cloud.vertexai.v1.Enterpris"
-          + "eWebSearchB\003\340A\001\022I\n\016code_execution\030\004 \001(\0132"
-          + ",.google.cloud.vertexai.v1.Tool.CodeExec"
-          + "utionB\003\340A\001\032\016\n\014GoogleSearch\032\017\n\rCodeExecut"
-          + "ion\"\266\001\n\023FunctionDeclaration\022\021\n\004name\030\001 \001("
-          + "\tB\003\340A\002\022\030\n\013description\030\002 \001(\tB\003\340A\001\0229\n\npara"
-          + "meters\030\003 \001(\0132 .google.cloud.vertexai.v1."
-          + "SchemaB\003\340A\001\0227\n\010response\030\004 \001(\0132 .google.c"
-          + "loud.vertexai.v1.SchemaB\003\340A\001\"M\n\014Function"
-          + "Call\022\021\n\004name\030\001 \001(\tB\003\340A\002\022*\n\004args\030\002 \001(\0132\027."
-          + "google.protobuf.StructB\003\340A\001\"U\n\020FunctionR"
-          + "esponse\022\021\n\004name\030\001 \001(\tB\003\340A\002\022.\n\010response\030\002"
-          + " \001(\0132\027.google.protobuf.StructB\003\340A\002\"\237\001\n\016E"
-          + "xecutableCode\022H\n\010language\030\001 \001(\01621.google"
-          + ".cloud.vertexai.v1.ExecutableCode.Langua"
-          + "geB\003\340A\002\022\021\n\004code\030\002 \001(\tB\003\340A\002\"0\n\010Language\022\030"
-          + "\n\024LANGUAGE_UNSPECIFIED\020\000\022\n\n\006PYTHON\020\001\"\336\001\n"
-          + "\023CodeExecutionResult\022K\n\007outcome\030\001 \001(\01625."
-          + "google.cloud.vertexai.v1.CodeExecutionRe"
-          + "sult.OutcomeB\003\340A\002\022\023\n\006output\030\002 \001(\tB\003\340A\001\"e"
-          + "\n\007Outcome\022\027\n\023OUTCOME_UNSPECIFIED\020\000\022\016\n\nOU"
-          + "TCOME_OK\020\001\022\022\n\016OUTCOME_FAILED\020\002\022\035\n\031OUTCOM"
-          + "E_DEADLINE_EXCEEDED\020\003\"\305\001\n\tRetrieval\022D\n\020v"
-          + "ertex_ai_search\030\002 \001(\0132(.google.cloud.ver"
-          + "texai.v1.VertexAISearchH\000\022D\n\020vertex_rag_"
-          + "store\030\004 \001(\0132(.google.cloud.vertexai.v1.V"
-          + "ertexRagStoreH\000\022\"\n\023disable_attribution\030\003"
-          + " \001(\010B\005\030\001\340A\001B\010\n\006source\"\246\003\n\016VertexRagStore"
-          + "\022P\n\rrag_resources\030\004 \003(\01324.google.cloud.v"
-          + "ertexai.v1.VertexRagStore.RagResourceB\003\340"
-          + "A\001\022$\n\020similarity_top_k\030\002 \001(\005B\005\030\001\340A\001H\000\210\001\001"
-          + "\022-\n\031vector_distance_threshold\030\003 \001(\001B\005\030\001\340"
-          + "A\001H\001\210\001\001\022O\n\024rag_retrieval_config\030\006 \001(\0132,."
-          + "google.cloud.vertexai.v1.RagRetrievalCon"
-          + "figB\003\340A\001\032i\n\013RagResource\022?\n\nrag_corpus\030\001 "
-          + "\001(\tB+\340A\001\372A%\n#aiplatform.googleapis.com/R"
-          + "agCorpus\022\031\n\014rag_file_ids\030\002 \003(\tB\003\340A\001B\023\n\021_"
-          + "similarity_top_kB\034\n\032_vector_distance_thr"
-          + "eshold\"(\n\016VertexAISearch\022\026\n\tdatastore\030\001 "
-          + "\001(\tB\003\340A\002\"k\n\025GoogleSearchRetrieval\022R\n\030dyn"
-          + "amic_retrieval_config\030\002 \001(\01320.google.clo"
-          + "ud.vertexai.v1.DynamicRetrievalConfig\"\025\n"
-          + "\023EnterpriseWebSearch\"\310\001\n\026DynamicRetrieva"
-          + "lConfig\022C\n\004mode\030\001 \001(\01625.google.cloud.ver"
-          + "texai.v1.DynamicRetrievalConfig.Mode\022#\n\021"
-          + "dynamic_threshold\030\002 \001(\002B\003\340A\001H\000\210\001\001\".\n\004Mod"
-          + "e\022\024\n\020MODE_UNSPECIFIED\020\000\022\020\n\014MODE_DYNAMIC\020"
-          + "\001B\024\n\022_dynamic_threshold\"\255\001\n\nToolConfig\022U"
-          + "\n\027function_calling_config\030\001 \001(\0132/.google"
-          + ".cloud.vertexai.v1.FunctionCallingConfig"
-          + "B\003\340A\001\022H\n\020retrieval_config\030\002 \001(\0132).google"
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+          + "ToolConfig\022U\n"
+          + "\027function_calling_config\030\001 \001(\0132/.goo"
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+          + "\005top_k\030\001 \001(\005B\003\340A\001\022H\n"
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+          + "llm_ranker\030\003 \001(\0132>.googl"
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+          + "\013_model_name\0328\n"
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               com.google.type.LatLngProto.getDescriptor(),
             });
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-        getDescriptor().getMessageTypes().get(0);
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     internal_static_google_cloud_vertexai_v1_Tool_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
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             internal_static_google_cloud_vertexai_v1_Tool_descriptor,
             new java.lang.String[] {
               "FunctionDeclarations",
               "Retrieval",
               "GoogleSearch",
               "GoogleSearchRetrieval",
+              "GoogleMaps",
               "EnterpriseWebSearch",
               "CodeExecution",
+              "UrlContext",
+              "ComputerUse",
             });
     internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_descriptor =
-        internal_static_google_cloud_vertexai_v1_Tool_descriptor.getNestedTypes().get(0);
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     internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
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             internal_static_google_cloud_vertexai_v1_Tool_GoogleSearch_descriptor,
-            new java.lang.String[] {});
+            new java.lang.String[] {
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+            });
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-        internal_static_google_cloud_vertexai_v1_Tool_descriptor.getNestedTypes().get(1);
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             });
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+              "MimeType", "Data", "DisplayName",
+            });
+    internal_static_google_cloud_vertexai_v1_FunctionResponseFileData_descriptor =
+        getDescriptor().getMessageType(7);
+    internal_static_google_cloud_vertexai_v1_FunctionResponseFileData_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_FunctionResponseFileData_descriptor,
+            new java.lang.String[] {
+              "MimeType", "FileUri", "DisplayName",
             });
     internal_static_google_cloud_vertexai_v1_FunctionResponse_descriptor =
-        getDescriptor().getMessageTypes().get(3);
+        getDescriptor().getMessageType(8);
     internal_static_google_cloud_vertexai_v1_FunctionResponse_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_FunctionResponse_descriptor,
             new java.lang.String[] {
-              "Name", "Response",
+              "Name", "Response", "Parts",
             });
     internal_static_google_cloud_vertexai_v1_ExecutableCode_descriptor =
-        getDescriptor().getMessageTypes().get(4);
+        getDescriptor().getMessageType(9);
     internal_static_google_cloud_vertexai_v1_ExecutableCode_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ExecutableCode_descriptor,
             new java.lang.String[] {
               "Language", "Code",
             });
     internal_static_google_cloud_vertexai_v1_CodeExecutionResult_descriptor =
-        getDescriptor().getMessageTypes().get(5);
+        getDescriptor().getMessageType(10);
     internal_static_google_cloud_vertexai_v1_CodeExecutionResult_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_CodeExecutionResult_descriptor,
             new java.lang.String[] {
               "Outcome", "Output",
             });
     internal_static_google_cloud_vertexai_v1_Retrieval_descriptor =
-        getDescriptor().getMessageTypes().get(6);
+        getDescriptor().getMessageType(11);
     internal_static_google_cloud_vertexai_v1_Retrieval_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Retrieval_descriptor,
             new java.lang.String[] {
               "VertexAiSearch", "VertexRagStore", "DisableAttribution", "Source",
             });
     internal_static_google_cloud_vertexai_v1_VertexRagStore_descriptor =
-        getDescriptor().getMessageTypes().get(7);
+        getDescriptor().getMessageType(12);
     internal_static_google_cloud_vertexai_v1_VertexRagStore_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_VertexRagStore_descriptor,
             new java.lang.String[] {
               "RagResources", "SimilarityTopK", "VectorDistanceThreshold", "RagRetrievalConfig",
             });
     internal_static_google_cloud_vertexai_v1_VertexRagStore_RagResource_descriptor =
-        internal_static_google_cloud_vertexai_v1_VertexRagStore_descriptor.getNestedTypes().get(0);
+        internal_static_google_cloud_vertexai_v1_VertexRagStore_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_VertexRagStore_RagResource_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_VertexRagStore_RagResource_descriptor,
             new java.lang.String[] {
               "RagCorpus", "RagFileIds",
             });
     internal_static_google_cloud_vertexai_v1_VertexAISearch_descriptor =
-        getDescriptor().getMessageTypes().get(8);
+        getDescriptor().getMessageType(13);
     internal_static_google_cloud_vertexai_v1_VertexAISearch_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_VertexAISearch_descriptor,
             new java.lang.String[] {
-              "Datastore",
+              "Datastore", "Engine", "MaxResults", "Filter", "DataStoreSpecs",
+            });
+    internal_static_google_cloud_vertexai_v1_VertexAISearch_DataStoreSpec_descriptor =
+        internal_static_google_cloud_vertexai_v1_VertexAISearch_descriptor.getNestedType(0);
+    internal_static_google_cloud_vertexai_v1_VertexAISearch_DataStoreSpec_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_VertexAISearch_DataStoreSpec_descriptor,
+            new java.lang.String[] {
+              "DataStore", "Filter",
             });
     internal_static_google_cloud_vertexai_v1_GoogleSearchRetrieval_descriptor =
-        getDescriptor().getMessageTypes().get(9);
+        getDescriptor().getMessageType(14);
     internal_static_google_cloud_vertexai_v1_GoogleSearchRetrieval_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_GoogleSearchRetrieval_descriptor,
             new java.lang.String[] {
               "DynamicRetrievalConfig",
             });
+    internal_static_google_cloud_vertexai_v1_GoogleMaps_descriptor =
+        getDescriptor().getMessageType(15);
+    internal_static_google_cloud_vertexai_v1_GoogleMaps_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_GoogleMaps_descriptor,
+            new java.lang.String[] {
+              "EnableWidget",
+            });
     internal_static_google_cloud_vertexai_v1_EnterpriseWebSearch_descriptor =
-        getDescriptor().getMessageTypes().get(10);
+        getDescriptor().getMessageType(16);
     internal_static_google_cloud_vertexai_v1_EnterpriseWebSearch_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_EnterpriseWebSearch_descriptor,
-            new java.lang.String[] {});
+            new java.lang.String[] {
+              "ExcludeDomains", "BlockingConfidence",
+            });
     internal_static_google_cloud_vertexai_v1_DynamicRetrievalConfig_descriptor =
-        getDescriptor().getMessageTypes().get(11);
+        getDescriptor().getMessageType(17);
     internal_static_google_cloud_vertexai_v1_DynamicRetrievalConfig_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_DynamicRetrievalConfig_descriptor,
             new java.lang.String[] {
               "Mode", "DynamicThreshold",
             });
     internal_static_google_cloud_vertexai_v1_ToolConfig_descriptor =
-        getDescriptor().getMessageTypes().get(12);
+        getDescriptor().getMessageType(18);
     internal_static_google_cloud_vertexai_v1_ToolConfig_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_ToolConfig_descriptor,
             new java.lang.String[] {
               "FunctionCallingConfig", "RetrievalConfig",
             });
     internal_static_google_cloud_vertexai_v1_FunctionCallingConfig_descriptor =
-        getDescriptor().getMessageTypes().get(13);
+        getDescriptor().getMessageType(19);
     internal_static_google_cloud_vertexai_v1_FunctionCallingConfig_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_FunctionCallingConfig_descriptor,
             new java.lang.String[] {
-              "Mode", "AllowedFunctionNames",
+              "Mode", "AllowedFunctionNames", "StreamFunctionCallArguments",
             });
     internal_static_google_cloud_vertexai_v1_RetrievalConfig_descriptor =
-        getDescriptor().getMessageTypes().get(14);
+        getDescriptor().getMessageType(20);
     internal_static_google_cloud_vertexai_v1_RetrievalConfig_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_RetrievalConfig_descriptor,
             new java.lang.String[] {
               "LatLng", "LanguageCode",
             });
     internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_descriptor =
-        getDescriptor().getMessageTypes().get(15);
+        getDescriptor().getMessageType(21);
     internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_descriptor,
             new java.lang.String[] {
               "TopK", "Filter", "Ranking",
             });
     internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Filter_descriptor =
-        internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_descriptor
-            .getNestedTypes()
-            .get(0);
+        internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Filter_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Filter_descriptor,
             new java.lang.String[] {
               "VectorDistanceThreshold",
@@ -401,46 +629,43 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "VectorDbThreshold",
             });
     internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_descriptor =
-        internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_descriptor
-            .getNestedTypes()
-            .get(1);
+        internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_descriptor.getNestedType(1);
     internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_descriptor,
             new java.lang.String[] {
               "RankService", "LlmRanker", "RankingConfig",
             });
     internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_RankService_descriptor =
         internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_descriptor
-            .getNestedTypes()
-            .get(0);
+            .getNestedType(0);
     internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_RankService_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_RankService_descriptor,
             new java.lang.String[] {
               "ModelName",
             });
     internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_LlmRanker_descriptor =
         internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_descriptor
-            .getNestedTypes()
-            .get(1);
+            .getNestedType(1);
     internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_LlmRanker_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_RagRetrievalConfig_Ranking_LlmRanker_descriptor,
             new java.lang.String[] {
               "ModelName",
             });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
+    com.google.cloud.vertexai.api.OpenApiProto.getDescriptor();
+    com.google.protobuf.StructProto.getDescriptor();
+    com.google.type.LatLngProto.getDescriptor();
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
     registry.add(com.google.api.ResourceProto.resourceReference);
     com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
         descriptor, registry);
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.api.ResourceProto.getDescriptor();
-    com.google.cloud.vertexai.api.OpenApiProto.getDescriptor();
-    com.google.protobuf.StructProto.getDescriptor();
-    com.google.type.LatLngProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Type.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Type.java
index 422b1789fa66..e9392a082c83 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Type.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Type.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/openapi.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,6 +30,7 @@
  *
  * Protobuf enum {@code google.cloud.vertexai.v1.Type}
  */
+@com.google.protobuf.Generated
 public enum Type implements com.google.protobuf.ProtocolMessageEnum {
   /**
    *
@@ -103,6 +105,16 @@ public enum Type implements com.google.protobuf.ProtocolMessageEnum {
   UNRECOGNIZED(-1),
   ;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "Type");
+  }
+
   /**
    *
    *
@@ -246,7 +258,7 @@ public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType
     return getDescriptor();
   }
 
-  public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+  public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
     return com.google.cloud.vertexai.api.OpenApiProto.getDescriptor().getEnumTypes().get(0);
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TypesProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TypesProto.java
index 3ce5e7130e36..4a516984ab80 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TypesProto.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/TypesProto.java
@@ -14,14 +14,26 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/types.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
-public final class TypesProto {
+@com.google.protobuf.Generated
+public final class TypesProto extends com.google.protobuf.GeneratedFile {
   private TypesProto() {}
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "TypesProto");
+  }
+
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
 
   public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
@@ -30,27 +42,27 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
 
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_BoolArray_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_BoolArray_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_DoubleArray_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_DoubleArray_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Int64Array_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Int64Array_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_StringArray_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_StringArray_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Tensor_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Tensor_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_vertexai_v1_Tensor_StructValEntry_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_vertexai_v1_Tensor_StructValEntry_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
@@ -61,73 +73,97 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
 
   static {
     java.lang.String[] descriptorData = {
-      "\n$google/cloud/vertexai/v1/types.proto\022\030"
-          + "google.cloud.vertexai.v1\"\033\n\tBoolArray\022\016\n"
-          + "\006values\030\001 \003(\010\"\035\n\013DoubleArray\022\016\n\006values\030\001"
-          + " \003(\001\"\034\n\nInt64Array\022\016\n\006values\030\001 \003(\003\"\035\n\013St"
-          + "ringArray\022\016\n\006values\030\001 \003(\t\"\213\005\n\006Tensor\0228\n\005"
-          + "dtype\030\001 \001(\0162).google.cloud.vertexai.v1.T"
-          + "ensor.DataType\022\r\n\005shape\030\002 \003(\003\022\020\n\010bool_va"
-          + "l\030\003 \003(\010\022\022\n\nstring_val\030\016 \003(\t\022\021\n\tbytes_val"
-          + "\030\017 \003(\014\022\021\n\tfloat_val\030\005 \003(\002\022\022\n\ndouble_val\030"
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-          + "\003\022\020\n\010uint_val\030\t \003(\r\022\022\n\nuint64_val\030\n \003(\004\022"
-          + "2\n\010list_val\030\013 \003(\0132 .google.cloud.vertexa"
-          + "i.v1.Tensor\022C\n\nstruct_val\030\014 \003(\0132/.google"
-          + ".cloud.vertexai.v1.Tensor.StructValEntry"
-          + "\022\022\n\ntensor_val\030\r \001(\014\032R\n\016StructValEntry\022\013"
-          + "\n\003key\030\001 \001(\t\022/\n\005value\030\002 \001(\0132 .google.clou"
-          + "d.vertexai.v1.Tensor:\0028\001\"\254\001\n\010DataType\022\031\n"
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-          + "\t\n\005INT16\020\006\022\t\n\005INT32\020\007\022\t\n\005INT64\020\010\022\t\n\005UINT"
-          + "8\020\t\022\n\n\006UINT16\020\n\022\n\n\006UINT32\020\013\022\n\n\006UINT64\020\014B"
-          + "\307\001\n\035com.google.cloud.vertexai.apiB\nTypes"
-          + "ProtoP\001Z>cloud.google.com/go/aiplatform/"
+      "\n"
+          + "$google/cloud/vertexai/v1/types.proto\022\030google.cloud.vertexai.v1\"\033\n"
+          + "\tBoolArray\022\016\n"
+          + "\006values\030\001 \003(\010\"\035\n"
+          + "\013DoubleArray\022\016\n"
+          + "\006values\030\001 \003(\001\"\034\n\n"
+          + "Int64Array\022\016\n"
+          + "\006values\030\001 \003(\003\"\035\n"
+          + "\013StringArray\022\016\n"
+          + "\006values\030\001 \003(\t\"\213\005\n"
+          + "\006Tensor\0228\n"
+          + "\005dtype\030\001 \001(\0162).google.cloud.vertexai.v1.Tensor.DataType\022\r\n"
+          + "\005shape\030\002 \003(\003\022\020\n"
+          + "\010bool_val\030\003 \003(\010\022\022\n\n"
+          + "string_val\030\016 \003(\t\022\021\n"
+          + "\tbytes_val\030\017 \003(\014\022\021\n"
+          + "\tfloat_val\030\005 \003(\002\022\022\n\n"
+          + "double_val\030\006 \003(\001\022\017\n"
+          + "\007int_val\030\007 \003(\005\022\021\n"
+          + "\tint64_val\030\010 \003(\003\022\020\n"
+          + "\010uint_val\030\t \003(\r"
+          + "\022\022\n\n"
+          + "uint64_val\030\n"
+          + " \003(\004\0222\n"
+          + "\010list_val\030\013 \003(\0132 .google.cloud.vertexai.v1.Tensor\022C\n\n"
+          + "struct_val\030\014 \003(\0132/.google"
+          + ".cloud.vertexai.v1.Tensor.StructValEntry\022\022\n\n"
+          + "tensor_val\030\r"
+          + " \001(\014\032R\n"
+          + "\016StructValEntry\022\013\n"
+          + "\003key\030\001 \001(\t\022/\n"
+          + "\005value\030\002 \001(\0132 .google.cloud.vertexai.v1.Tensor:\0028\001\"\254\001\n"
+          + "\010DataType\022\031\n"
+          + "\025DATA_TYPE_UNSPECIFIED\020\000\022\010\n"
+          + "\004BOOL\020\001\022\n\n"
+          + "\006STRING\020\002\022\t\n"
+          + "\005FLOAT\020\003\022\n\n"
+          + "\006DOUBLE\020\004\022\010\n"
+          + "\004INT8\020\005\022\t\n"
+          + "\005INT16\020\006\022\t\n"
+          + "\005INT32\020\007\022\t\n"
+          + "\005INT64\020\010\022\t\n"
+          + "\005UINT8\020\t\022\n\n"
+          + "\006UINT16\020\n"
+          + "\022\n\n"
+          + "\006UINT32\020\013\022\n\n"
+          + "\006UINT64\020\014B\307\001\n"
+          + "\035com.google.cloud.vertexai.apiB\n"
+          + "TypesProtoP\001Z>cloud.google.com/go/aiplatform/"
           + "apiv1/aiplatformpb;aiplatformpb\252\002\032Google"
           + ".Cloud.AIPlatform.V1\312\002\032Google\\Cloud\\AIPl"
-          + "atform\\V1\352\002\035Google::Cloud::AIPlatform::V"
-          + "1b\006proto3"
+          + "atform\\V1\352\002\035Google::Cloud::AIPlatform::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
             descriptorData, new com.google.protobuf.Descriptors.FileDescriptor[] {});
     internal_static_google_cloud_vertexai_v1_BoolArray_descriptor =
-        getDescriptor().getMessageTypes().get(0);
+        getDescriptor().getMessageType(0);
     internal_static_google_cloud_vertexai_v1_BoolArray_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_BoolArray_descriptor,
             new java.lang.String[] {
               "Values",
             });
     internal_static_google_cloud_vertexai_v1_DoubleArray_descriptor =
-        getDescriptor().getMessageTypes().get(1);
+        getDescriptor().getMessageType(1);
     internal_static_google_cloud_vertexai_v1_DoubleArray_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_DoubleArray_descriptor,
             new java.lang.String[] {
               "Values",
             });
     internal_static_google_cloud_vertexai_v1_Int64Array_descriptor =
-        getDescriptor().getMessageTypes().get(2);
+        getDescriptor().getMessageType(2);
     internal_static_google_cloud_vertexai_v1_Int64Array_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Int64Array_descriptor,
             new java.lang.String[] {
               "Values",
             });
     internal_static_google_cloud_vertexai_v1_StringArray_descriptor =
-        getDescriptor().getMessageTypes().get(3);
+        getDescriptor().getMessageType(3);
     internal_static_google_cloud_vertexai_v1_StringArray_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_StringArray_descriptor,
             new java.lang.String[] {
               "Values",
             });
-    internal_static_google_cloud_vertexai_v1_Tensor_descriptor =
-        getDescriptor().getMessageTypes().get(4);
+    internal_static_google_cloud_vertexai_v1_Tensor_descriptor = getDescriptor().getMessageType(4);
     internal_static_google_cloud_vertexai_v1_Tensor_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Tensor_descriptor,
             new java.lang.String[] {
               "Dtype",
@@ -146,13 +182,14 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "TensorVal",
             });
     internal_static_google_cloud_vertexai_v1_Tensor_StructValEntry_descriptor =
-        internal_static_google_cloud_vertexai_v1_Tensor_descriptor.getNestedTypes().get(0);
+        internal_static_google_cloud_vertexai_v1_Tensor_descriptor.getNestedType(0);
     internal_static_google_cloud_vertexai_v1_Tensor_StructValEntry_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_vertexai_v1_Tensor_StructValEntry_descriptor,
             new java.lang.String[] {
               "Key", "Value",
             });
+    descriptor.resolveAllFeaturesImmutable();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelOperationMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelOperationMetadata.java
index 8117babd2438..32cdf59a7ffe 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelOperationMetadata.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelOperationMetadata.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,33 +30,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.UndeployModelOperationMetadata}
  */
-public final class UndeployModelOperationMetadata extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class UndeployModelOperationMetadata extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.UndeployModelOperationMetadata)
     UndeployModelOperationMetadataOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "UndeployModelOperationMetadata");
+  }
+
   // Use UndeployModelOperationMetadata.newBuilder() to construct.
-  private UndeployModelOperationMetadata(
-      com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private UndeployModelOperationMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private UndeployModelOperationMetadata() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new UndeployModelOperationMetadata();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_UndeployModelOperationMetadata_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_UndeployModelOperationMetadata_fieldAccessorTable
@@ -225,38 +230,38 @@ public static com.google.cloud.vertexai.api.UndeployModelOperationMetadata parse
 
   public static com.google.cloud.vertexai.api.UndeployModelOperationMetadata parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelOperationMetadata parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelOperationMetadata parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelOperationMetadata parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelOperationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelOperationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -280,7 +285,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -295,7 +300,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.UndeployModelOperationMetadata}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.UndeployModelOperationMetadata)
       com.google.cloud.vertexai.api.UndeployModelOperationMetadataOrBuilder {
@@ -305,7 +310,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_UndeployModelOperationMetadata_fieldAccessorTable
@@ -319,14 +324,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getGenericMetadataFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetGenericMetadataFieldBuilder();
       }
     }
 
@@ -386,39 +391,6 @@ private void buildPartial0(
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.UndeployModelOperationMetadata) {
@@ -464,7 +436,8 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getGenericMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetGenericMetadataFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -488,7 +461,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.GenericOperationMetadata genericMetadata_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenericOperationMetadata,
             com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
             com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>
@@ -638,7 +611,7 @@ public Builder clearGenericMetadata() {
         getGenericMetadataBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getGenericMetadataFieldBuilder().getBuilder();
+      return internalGetGenericMetadataFieldBuilder().getBuilder();
     }
 
     /**
@@ -670,14 +643,14 @@ public Builder clearGenericMetadata() {
      *
      * <code>.google.cloud.vertexai.v1.GenericOperationMetadata generic_metadata = 1;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenericOperationMetadata,
             com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
             com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>
-        getGenericMetadataFieldBuilder() {
+        internalGetGenericMetadataFieldBuilder() {
       if (genericMetadataBuilder_ == null) {
         genericMetadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GenericOperationMetadata,
                 com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
                 com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>(
@@ -687,17 +660,6 @@ public Builder clearGenericMetadata() {
       return genericMetadataBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.UndeployModelOperationMetadata)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelOperationMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelOperationMetadataOrBuilder.java
index d17b6f54ef1e..b0b6d82ce6db 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelOperationMetadataOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelOperationMetadataOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface UndeployModelOperationMetadataOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.UndeployModelOperationMetadata)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelRequest.java
index b56adc737b17..ede7b03c81b6 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,14 +30,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.UndeployModelRequest}
  */
-public final class UndeployModelRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class UndeployModelRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.UndeployModelRequest)
     UndeployModelRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "UndeployModelRequest");
+  }
+
   // Use UndeployModelRequest.newBuilder() to construct.
-  private UndeployModelRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private UndeployModelRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -45,12 +57,6 @@ private UndeployModelRequest() {
     deployedModelId_ = "";
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new UndeployModelRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_UndeployModelRequest_descriptor;
@@ -69,7 +75,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldRefl
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_UndeployModelRequest_fieldAccessorTable
@@ -336,13 +342,13 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(deployedModelId_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, deployedModelId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(deployedModelId_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, deployedModelId_);
     }
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
+    com.google.protobuf.GeneratedMessage.serializeStringMapTo(
         output, internalGetTrafficSplit(), TrafficSplitDefaultEntryHolder.defaultEntry, 3);
     getUnknownFields().writeTo(output);
   }
@@ -353,11 +359,11 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(endpoint_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, endpoint_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(endpoint_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
     }
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(deployedModelId_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, deployedModelId_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(deployedModelId_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, deployedModelId_);
     }
     for (java.util.Map.Entry<java.lang.String, java.lang.Integer> entry :
         internalGetTrafficSplit().getMap().entrySet()) {
@@ -449,38 +455,38 @@ public static com.google.cloud.vertexai.api.UndeployModelRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.UndeployModelRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -503,7 +509,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -518,7 +524,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.UndeployModelRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.UndeployModelRequest)
       com.google.cloud.vertexai.api.UndeployModelRequestOrBuilder {
@@ -550,7 +556,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFi
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_UndeployModelRequest_fieldAccessorTable
@@ -562,7 +568,7 @@ protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFi
     // Construct using com.google.cloud.vertexai.api.UndeployModelRequest.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -621,39 +627,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.UndeployModelRequest re
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.UndeployModelRequest) {
@@ -1202,17 +1175,6 @@ public Builder putAllTrafficSplit(java.util.Map<java.lang.String, java.lang.Inte
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.UndeployModelRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelRequestOrBuilder.java
index 6be083a70f71..5d06a0739c27 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface UndeployModelRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.UndeployModelRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelResponse.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelResponse.java
index ea8ee051c38a..96253b337706 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelResponse.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelResponse.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,32 +30,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.UndeployModelResponse}
  */
-public final class UndeployModelResponse extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class UndeployModelResponse extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.UndeployModelResponse)
     UndeployModelResponseOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "UndeployModelResponse");
+  }
+
   // Use UndeployModelResponse.newBuilder() to construct.
-  private UndeployModelResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private UndeployModelResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private UndeployModelResponse() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new UndeployModelResponse();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_UndeployModelResponse_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_UndeployModelResponse_fieldAccessorTable
@@ -155,38 +161,38 @@ public static com.google.cloud.vertexai.api.UndeployModelResponse parseFrom(
 
   public static com.google.cloud.vertexai.api.UndeployModelResponse parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelResponse parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelResponse parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelResponse parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelResponse parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UndeployModelResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -209,7 +215,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -224,7 +230,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.UndeployModelResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.UndeployModelResponse)
       com.google.cloud.vertexai.api.UndeployModelResponseOrBuilder {
@@ -234,7 +240,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_UndeployModelResponse_fieldAccessorTable
@@ -246,7 +252,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.UndeployModelResponse.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -284,39 +290,6 @@ public com.google.cloud.vertexai.api.UndeployModelResponse buildPartial() {
       return result;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.UndeployModelResponse) {
@@ -373,17 +346,6 @@ public Builder mergeFrom(
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.UndeployModelResponse)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelResponseOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelResponseOrBuilder.java
index 30ba248c1389..28d5021a473d 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelResponseOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UndeployModelResponseOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface UndeployModelResponseOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.UndeployModelResponse)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointLongRunningRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointLongRunningRequest.java
index 8091964f6e16..b64e05c40d9f 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointLongRunningRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointLongRunningRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,33 +30,38 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.UpdateEndpointLongRunningRequest}
  */
-public final class UpdateEndpointLongRunningRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class UpdateEndpointLongRunningRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.UpdateEndpointLongRunningRequest)
     UpdateEndpointLongRunningRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "UpdateEndpointLongRunningRequest");
+  }
+
   // Use UpdateEndpointLongRunningRequest.newBuilder() to construct.
   private UpdateEndpointLongRunningRequest(
-      com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private UpdateEndpointLongRunningRequest() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new UpdateEndpointLongRunningRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_UpdateEndpointLongRunningRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_UpdateEndpointLongRunningRequest_fieldAccessorTable
@@ -236,38 +242,38 @@ public static com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequest par
 
   public static com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -291,7 +297,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -306,7 +312,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.UpdateEndpointLongRunningRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.UpdateEndpointLongRunningRequest)
       com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequestOrBuilder {
@@ -316,7 +322,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_UpdateEndpointLongRunningRequest_fieldAccessorTable
@@ -330,14 +336,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getEndpointFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetEndpointFieldBuilder();
       }
     }
 
@@ -396,39 +402,6 @@ private void buildPartial0(
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.UpdateEndpointLongRunningRequest) {
@@ -474,7 +447,8 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getEndpointFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetEndpointFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -498,7 +472,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.Endpoint endpoint_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Endpoint,
             com.google.cloud.vertexai.api.Endpoint.Builder,
             com.google.cloud.vertexai.api.EndpointOrBuilder>
@@ -671,7 +645,7 @@ public Builder clearEndpoint() {
     public com.google.cloud.vertexai.api.Endpoint.Builder getEndpointBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getEndpointFieldBuilder().getBuilder();
+      return internalGetEndpointFieldBuilder().getBuilder();
     }
 
     /**
@@ -710,14 +684,14 @@ public com.google.cloud.vertexai.api.EndpointOrBuilder getEndpointOrBuilder() {
      * .google.cloud.vertexai.v1.Endpoint endpoint = 1 [(.google.api.field_behavior) = REQUIRED];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Endpoint,
             com.google.cloud.vertexai.api.Endpoint.Builder,
             com.google.cloud.vertexai.api.EndpointOrBuilder>
-        getEndpointFieldBuilder() {
+        internalGetEndpointFieldBuilder() {
       if (endpointBuilder_ == null) {
         endpointBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Endpoint,
                 com.google.cloud.vertexai.api.Endpoint.Builder,
                 com.google.cloud.vertexai.api.EndpointOrBuilder>(
@@ -727,17 +701,6 @@ public com.google.cloud.vertexai.api.EndpointOrBuilder getEndpointOrBuilder() {
       return endpointBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.UpdateEndpointLongRunningRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointLongRunningRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointLongRunningRequestOrBuilder.java
index 6b3eeca6187a..ab4996fbd1b3 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointLongRunningRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointLongRunningRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface UpdateEndpointLongRunningRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.UpdateEndpointLongRunningRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointOperationMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointOperationMetadata.java
index 6aa2b6608c62..29f93e3bf7ae 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointOperationMetadata.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointOperationMetadata.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,33 +30,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.UpdateEndpointOperationMetadata}
  */
-public final class UpdateEndpointOperationMetadata extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class UpdateEndpointOperationMetadata extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.UpdateEndpointOperationMetadata)
     UpdateEndpointOperationMetadataOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "UpdateEndpointOperationMetadata");
+  }
+
   // Use UpdateEndpointOperationMetadata.newBuilder() to construct.
-  private UpdateEndpointOperationMetadata(
-      com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private UpdateEndpointOperationMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private UpdateEndpointOperationMetadata() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new UpdateEndpointOperationMetadata();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_UpdateEndpointOperationMetadata_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_UpdateEndpointOperationMetadata_fieldAccessorTable
@@ -225,38 +230,38 @@ public static com.google.cloud.vertexai.api.UpdateEndpointOperationMetadata pars
 
   public static com.google.cloud.vertexai.api.UpdateEndpointOperationMetadata parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointOperationMetadata parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointOperationMetadata parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointOperationMetadata parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointOperationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointOperationMetadata parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -280,7 +285,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -295,7 +300,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.UpdateEndpointOperationMetadata}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.UpdateEndpointOperationMetadata)
       com.google.cloud.vertexai.api.UpdateEndpointOperationMetadataOrBuilder {
@@ -305,7 +310,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_UpdateEndpointOperationMetadata_fieldAccessorTable
@@ -319,14 +324,14 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getGenericMetadataFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetGenericMetadataFieldBuilder();
       }
     }
 
@@ -386,39 +391,6 @@ private void buildPartial0(
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.UpdateEndpointOperationMetadata) {
@@ -464,7 +436,8 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getGenericMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetGenericMetadataFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
@@ -488,7 +461,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.GenericOperationMetadata genericMetadata_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenericOperationMetadata,
             com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
             com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>
@@ -638,7 +611,7 @@ public Builder clearGenericMetadata() {
         getGenericMetadataBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getGenericMetadataFieldBuilder().getBuilder();
+      return internalGetGenericMetadataFieldBuilder().getBuilder();
     }
 
     /**
@@ -670,14 +643,14 @@ public Builder clearGenericMetadata() {
      *
      * <code>.google.cloud.vertexai.v1.GenericOperationMetadata generic_metadata = 1;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.GenericOperationMetadata,
             com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
             com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>
-        getGenericMetadataFieldBuilder() {
+        internalGetGenericMetadataFieldBuilder() {
       if (genericMetadataBuilder_ == null) {
         genericMetadataBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.GenericOperationMetadata,
                 com.google.cloud.vertexai.api.GenericOperationMetadata.Builder,
                 com.google.cloud.vertexai.api.GenericOperationMetadataOrBuilder>(
@@ -687,17 +660,6 @@ public Builder clearGenericMetadata() {
       return genericMetadataBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.UpdateEndpointOperationMetadata)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointOperationMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointOperationMetadataOrBuilder.java
index 880173d9661d..1ef54af46d45 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointOperationMetadataOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointOperationMetadataOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface UpdateEndpointOperationMetadataOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.UpdateEndpointOperationMetadata)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointRequest.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointRequest.java
index 143f7a64b9db..2777288cd540 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointRequest.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointRequest.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -29,32 +30,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.UpdateEndpointRequest}
  */
-public final class UpdateEndpointRequest extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class UpdateEndpointRequest extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.UpdateEndpointRequest)
     UpdateEndpointRequestOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "UpdateEndpointRequest");
+  }
+
   // Use UpdateEndpointRequest.newBuilder() to construct.
-  private UpdateEndpointRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private UpdateEndpointRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private UpdateEndpointRequest() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new UpdateEndpointRequest();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_UpdateEndpointRequest_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.EndpointServiceProto
         .internal_static_google_cloud_vertexai_v1_UpdateEndpointRequest_fieldAccessorTable
@@ -298,38 +304,38 @@ public static com.google.cloud.vertexai.api.UpdateEndpointRequest parseFrom(
 
   public static com.google.cloud.vertexai.api.UpdateEndpointRequest parseFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointRequest parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointRequest parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointRequest parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointRequest parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.UpdateEndpointRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -352,7 +358,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -367,7 +373,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.UpdateEndpointRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.UpdateEndpointRequest)
       com.google.cloud.vertexai.api.UpdateEndpointRequestOrBuilder {
@@ -377,7 +383,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.EndpointServiceProto
           .internal_static_google_cloud_vertexai_v1_UpdateEndpointRequest_fieldAccessorTable
@@ -391,15 +397,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getEndpointFieldBuilder();
-        getUpdateMaskFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetEndpointFieldBuilder();
+        internalGetUpdateMaskFieldBuilder();
       }
     }
 
@@ -465,39 +471,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.UpdateEndpointRequest r
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.UpdateEndpointRequest) {
@@ -545,13 +518,15 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getEndpointFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetEndpointFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
             case 18:
               {
-                input.readMessage(getUpdateMaskFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetUpdateMaskFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
@@ -575,7 +550,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.cloud.vertexai.api.Endpoint endpoint_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Endpoint,
             com.google.cloud.vertexai.api.Endpoint.Builder,
             com.google.cloud.vertexai.api.EndpointOrBuilder>
@@ -734,7 +709,7 @@ public Builder clearEndpoint() {
     public com.google.cloud.vertexai.api.Endpoint.Builder getEndpointBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getEndpointFieldBuilder().getBuilder();
+      return internalGetEndpointFieldBuilder().getBuilder();
     }
 
     /**
@@ -769,14 +744,14 @@ public com.google.cloud.vertexai.api.EndpointOrBuilder getEndpointOrBuilder() {
      * .google.cloud.vertexai.v1.Endpoint endpoint = 1 [(.google.api.field_behavior) = REQUIRED];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.Endpoint,
             com.google.cloud.vertexai.api.Endpoint.Builder,
             com.google.cloud.vertexai.api.EndpointOrBuilder>
-        getEndpointFieldBuilder() {
+        internalGetEndpointFieldBuilder() {
       if (endpointBuilder_ == null) {
         endpointBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.Endpoint,
                 com.google.cloud.vertexai.api.Endpoint.Builder,
                 com.google.cloud.vertexai.api.EndpointOrBuilder>(
@@ -787,7 +762,7 @@ public com.google.cloud.vertexai.api.EndpointOrBuilder getEndpointOrBuilder() {
     }
 
     private com.google.protobuf.FieldMask updateMask_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.FieldMask,
             com.google.protobuf.FieldMask.Builder,
             com.google.protobuf.FieldMaskOrBuilder>
@@ -946,7 +921,7 @@ public Builder clearUpdateMask() {
     public com.google.protobuf.FieldMask.Builder getUpdateMaskBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getUpdateMaskFieldBuilder().getBuilder();
+      return internalGetUpdateMaskFieldBuilder().getBuilder();
     }
 
     /**
@@ -981,14 +956,14 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
      * <code>.google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.FieldMask,
             com.google.protobuf.FieldMask.Builder,
             com.google.protobuf.FieldMaskOrBuilder>
-        getUpdateMaskFieldBuilder() {
+        internalGetUpdateMaskFieldBuilder() {
       if (updateMaskBuilder_ == null) {
         updateMaskBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.FieldMask,
                 com.google.protobuf.FieldMask.Builder,
                 com.google.protobuf.FieldMaskOrBuilder>(
@@ -998,17 +973,6 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
       return updateMaskBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.UpdateEndpointRequest)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointRequestOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointRequestOrBuilder.java
index f8b7fb090fcd..eb07a85d26d1 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointRequestOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UpdateEndpointRequestOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/endpoint_service.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface UpdateEndpointRequestOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.UpdateEndpointRequest)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UploadRagFileConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UploadRagFileConfig.java
new file mode 100644
index 000000000000..6a525e00ffc4
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UploadRagFileConfig.java
@@ -0,0 +1,735 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Config for uploading RagFile.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.UploadRagFileConfig}
+ */
+@com.google.protobuf.Generated
+public final class UploadRagFileConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.UploadRagFileConfig)
+    UploadRagFileConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "UploadRagFileConfig");
+  }
+
+  // Use UploadRagFileConfig.newBuilder() to construct.
+  private UploadRagFileConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private UploadRagFileConfig() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_UploadRagFileConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_UploadRagFileConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.UploadRagFileConfig.class,
+            com.google.cloud.vertexai.api.UploadRagFileConfig.Builder.class);
+  }
+
+  private int bitField0_;
+  public static final int RAG_FILE_TRANSFORMATION_CONFIG_FIELD_NUMBER = 3;
+  private com.google.cloud.vertexai.api.RagFileTransformationConfig ragFileTransformationConfig_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the transformation config for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+   * </code>
+   *
+   * @return Whether the ragFileTransformationConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasRagFileTransformationConfig() {
+    return ((bitField0_ & 0x00000001) != 0);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the transformation config for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+   * </code>
+   *
+   * @return The ragFileTransformationConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileTransformationConfig
+      getRagFileTransformationConfig() {
+    return ragFileTransformationConfig_ == null
+        ? com.google.cloud.vertexai.api.RagFileTransformationConfig.getDefaultInstance()
+        : ragFileTransformationConfig_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the transformation config for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.RagFileTransformationConfigOrBuilder
+      getRagFileTransformationConfigOrBuilder() {
+    return ragFileTransformationConfig_ == null
+        ? com.google.cloud.vertexai.api.RagFileTransformationConfig.getDefaultInstance()
+        : ragFileTransformationConfig_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (((bitField0_ & 0x00000001) != 0)) {
+      output.writeMessage(3, getRagFileTransformationConfig());
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (((bitField0_ & 0x00000001) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              3, getRagFileTransformationConfig());
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.UploadRagFileConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.UploadRagFileConfig other =
+        (com.google.cloud.vertexai.api.UploadRagFileConfig) obj;
+
+    if (hasRagFileTransformationConfig() != other.hasRagFileTransformationConfig()) return false;
+    if (hasRagFileTransformationConfig()) {
+      if (!getRagFileTransformationConfig().equals(other.getRagFileTransformationConfig()))
+        return false;
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasRagFileTransformationConfig()) {
+      hash = (37 * hash) + RAG_FILE_TRANSFORMATION_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getRagFileTransformationConfig().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.UploadRagFileConfig parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.UploadRagFileConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UploadRagFileConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.UploadRagFileConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UploadRagFileConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.UploadRagFileConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UploadRagFileConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.UploadRagFileConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UploadRagFileConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.UploadRagFileConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UploadRagFileConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.UploadRagFileConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.UploadRagFileConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Config for uploading RagFile.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.UploadRagFileConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.UploadRagFileConfig)
+      com.google.cloud.vertexai.api.UploadRagFileConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_UploadRagFileConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_UploadRagFileConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.UploadRagFileConfig.class,
+              com.google.cloud.vertexai.api.UploadRagFileConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.UploadRagFileConfig.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetRagFileTransformationConfigFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      ragFileTransformationConfig_ = null;
+      if (ragFileTransformationConfigBuilder_ != null) {
+        ragFileTransformationConfigBuilder_.dispose();
+        ragFileTransformationConfigBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_UploadRagFileConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UploadRagFileConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.UploadRagFileConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UploadRagFileConfig build() {
+      com.google.cloud.vertexai.api.UploadRagFileConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UploadRagFileConfig buildPartial() {
+      com.google.cloud.vertexai.api.UploadRagFileConfig result =
+          new com.google.cloud.vertexai.api.UploadRagFileConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.UploadRagFileConfig result) {
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.ragFileTransformationConfig_ =
+            ragFileTransformationConfigBuilder_ == null
+                ? ragFileTransformationConfig_
+                : ragFileTransformationConfigBuilder_.build();
+        to_bitField0_ |= 0x00000001;
+      }
+      result.bitField0_ |= to_bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.UploadRagFileConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.UploadRagFileConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.UploadRagFileConfig other) {
+      if (other == com.google.cloud.vertexai.api.UploadRagFileConfig.getDefaultInstance())
+        return this;
+      if (other.hasRagFileTransformationConfig()) {
+        mergeRagFileTransformationConfig(other.getRagFileTransformationConfig());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 26:
+              {
+                input.readMessage(
+                    internalGetRagFileTransformationConfigFieldBuilder().getBuilder(),
+                    extensionRegistry);
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 26
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.cloud.vertexai.api.RagFileTransformationConfig ragFileTransformationConfig_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagFileTransformationConfig,
+            com.google.cloud.vertexai.api.RagFileTransformationConfig.Builder,
+            com.google.cloud.vertexai.api.RagFileTransformationConfigOrBuilder>
+        ragFileTransformationConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+     * </code>
+     *
+     * @return Whether the ragFileTransformationConfig field is set.
+     */
+    public boolean hasRagFileTransformationConfig() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+     * </code>
+     *
+     * @return The ragFileTransformationConfig.
+     */
+    public com.google.cloud.vertexai.api.RagFileTransformationConfig
+        getRagFileTransformationConfig() {
+      if (ragFileTransformationConfigBuilder_ == null) {
+        return ragFileTransformationConfig_ == null
+            ? com.google.cloud.vertexai.api.RagFileTransformationConfig.getDefaultInstance()
+            : ragFileTransformationConfig_;
+      } else {
+        return ragFileTransformationConfigBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+     * </code>
+     */
+    public Builder setRagFileTransformationConfig(
+        com.google.cloud.vertexai.api.RagFileTransformationConfig value) {
+      if (ragFileTransformationConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ragFileTransformationConfig_ = value;
+      } else {
+        ragFileTransformationConfigBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+     * </code>
+     */
+    public Builder setRagFileTransformationConfig(
+        com.google.cloud.vertexai.api.RagFileTransformationConfig.Builder builderForValue) {
+      if (ragFileTransformationConfigBuilder_ == null) {
+        ragFileTransformationConfig_ = builderForValue.build();
+      } else {
+        ragFileTransformationConfigBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+     * </code>
+     */
+    public Builder mergeRagFileTransformationConfig(
+        com.google.cloud.vertexai.api.RagFileTransformationConfig value) {
+      if (ragFileTransformationConfigBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)
+            && ragFileTransformationConfig_ != null
+            && ragFileTransformationConfig_
+                != com.google.cloud.vertexai.api.RagFileTransformationConfig.getDefaultInstance()) {
+          getRagFileTransformationConfigBuilder().mergeFrom(value);
+        } else {
+          ragFileTransformationConfig_ = value;
+        }
+      } else {
+        ragFileTransformationConfigBuilder_.mergeFrom(value);
+      }
+      if (ragFileTransformationConfig_ != null) {
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+     * </code>
+     */
+    public Builder clearRagFileTransformationConfig() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      ragFileTransformationConfig_ = null;
+      if (ragFileTransformationConfigBuilder_ != null) {
+        ragFileTransformationConfigBuilder_.dispose();
+        ragFileTransformationConfigBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.RagFileTransformationConfig.Builder
+        getRagFileTransformationConfigBuilder() {
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return internalGetRagFileTransformationConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.RagFileTransformationConfigOrBuilder
+        getRagFileTransformationConfigOrBuilder() {
+      if (ragFileTransformationConfigBuilder_ != null) {
+        return ragFileTransformationConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return ragFileTransformationConfig_ == null
+            ? com.google.cloud.vertexai.api.RagFileTransformationConfig.getDefaultInstance()
+            : ragFileTransformationConfig_;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifies the transformation config for RagFiles.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.RagFileTransformationConfig,
+            com.google.cloud.vertexai.api.RagFileTransformationConfig.Builder,
+            com.google.cloud.vertexai.api.RagFileTransformationConfigOrBuilder>
+        internalGetRagFileTransformationConfigFieldBuilder() {
+      if (ragFileTransformationConfigBuilder_ == null) {
+        ragFileTransformationConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.RagFileTransformationConfig,
+                com.google.cloud.vertexai.api.RagFileTransformationConfig.Builder,
+                com.google.cloud.vertexai.api.RagFileTransformationConfigOrBuilder>(
+                getRagFileTransformationConfig(), getParentForChildren(), isClean());
+        ragFileTransformationConfig_ = null;
+      }
+      return ragFileTransformationConfigBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.UploadRagFileConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.UploadRagFileConfig)
+  private static final com.google.cloud.vertexai.api.UploadRagFileConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.UploadRagFileConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.UploadRagFileConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<UploadRagFileConfig> PARSER =
+      new com.google.protobuf.AbstractParser<UploadRagFileConfig>() {
+        @java.lang.Override
+        public UploadRagFileConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<UploadRagFileConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<UploadRagFileConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.UploadRagFileConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UploadRagFileConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UploadRagFileConfigOrBuilder.java
new file mode 100644
index 000000000000..9e577463eadd
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UploadRagFileConfigOrBuilder.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface UploadRagFileConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.UploadRagFileConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the transformation config for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+   * </code>
+   *
+   * @return Whether the ragFileTransformationConfig field is set.
+   */
+  boolean hasRagFileTransformationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the transformation config for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+   * </code>
+   *
+   * @return The ragFileTransformationConfig.
+   */
+  com.google.cloud.vertexai.api.RagFileTransformationConfig getRagFileTransformationConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifies the transformation config for RagFiles.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.RagFileTransformationConfig rag_file_transformation_config = 3;
+   * </code>
+   */
+  com.google.cloud.vertexai.api.RagFileTransformationConfigOrBuilder
+      getRagFileTransformationConfigOrBuilder();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlContext.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlContext.java
new file mode 100644
index 000000000000..96ab45c51ed1
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlContext.java
@@ -0,0 +1,394 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Tool to support URL context.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.UrlContext}
+ */
+@com.google.protobuf.Generated
+public final class UrlContext extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.UrlContext)
+    UrlContextOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "UrlContext");
+  }
+
+  // Use UrlContext.newBuilder() to construct.
+  private UrlContext(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private UrlContext() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ToolProto
+        .internal_static_google_cloud_vertexai_v1_UrlContext_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ToolProto
+        .internal_static_google_cloud_vertexai_v1_UrlContext_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.UrlContext.class,
+            com.google.cloud.vertexai.api.UrlContext.Builder.class);
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.UrlContext)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.UrlContext other = (com.google.cloud.vertexai.api.UrlContext) obj;
+
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContext parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContext parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContext parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContext parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContext parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContext parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContext parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContext parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContext parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContext parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContext parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContext parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.UrlContext prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Tool to support URL context.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.UrlContext}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.UrlContext)
+      com.google.cloud.vertexai.api.UrlContextOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_UrlContext_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_UrlContext_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.UrlContext.class,
+              com.google.cloud.vertexai.api.UrlContext.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.UrlContext.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_UrlContext_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UrlContext getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.UrlContext.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UrlContext build() {
+      com.google.cloud.vertexai.api.UrlContext result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UrlContext buildPartial() {
+      com.google.cloud.vertexai.api.UrlContext result =
+          new com.google.cloud.vertexai.api.UrlContext(this);
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.UrlContext) {
+        return mergeFrom((com.google.cloud.vertexai.api.UrlContext) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.UrlContext other) {
+      if (other == com.google.cloud.vertexai.api.UrlContext.getDefaultInstance()) return this;
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.UrlContext)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.UrlContext)
+  private static final com.google.cloud.vertexai.api.UrlContext DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.UrlContext();
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContext getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<UrlContext> PARSER =
+      new com.google.protobuf.AbstractParser<UrlContext>() {
+        @java.lang.Override
+        public UrlContext parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<UrlContext> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<UrlContext> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.UrlContext getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlContextMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlContextMetadata.java
new file mode 100644
index 000000000000..47a54c3d7270
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlContextMetadata.java
@@ -0,0 +1,970 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Metadata related to url context retrieval tool.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.UrlContextMetadata}
+ */
+@com.google.protobuf.Generated
+public final class UrlContextMetadata extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.UrlContextMetadata)
+    UrlContextMetadataOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "UrlContextMetadata");
+  }
+
+  // Use UrlContextMetadata.newBuilder() to construct.
+  private UrlContextMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private UrlContextMetadata() {
+    urlMetadata_ = java.util.Collections.emptyList();
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_UrlContextMetadata_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_UrlContextMetadata_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.UrlContextMetadata.class,
+            com.google.cloud.vertexai.api.UrlContextMetadata.Builder.class);
+  }
+
+  public static final int URL_METADATA_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.vertexai.api.UrlMetadata> urlMetadata_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of url context.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.vertexai.api.UrlMetadata> getUrlMetadataList() {
+    return urlMetadata_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of url context.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.vertexai.api.UrlMetadataOrBuilder>
+      getUrlMetadataOrBuilderList() {
+    return urlMetadata_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of url context.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public int getUrlMetadataCount() {
+    return urlMetadata_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of url context.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.UrlMetadata getUrlMetadata(int index) {
+    return urlMetadata_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of url context.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.UrlMetadataOrBuilder getUrlMetadataOrBuilder(int index) {
+    return urlMetadata_.get(index);
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    for (int i = 0; i < urlMetadata_.size(); i++) {
+      output.writeMessage(1, urlMetadata_.get(i));
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    for (int i = 0; i < urlMetadata_.size(); i++) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, urlMetadata_.get(i));
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.UrlContextMetadata)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.UrlContextMetadata other =
+        (com.google.cloud.vertexai.api.UrlContextMetadata) obj;
+
+    if (!getUrlMetadataList().equals(other.getUrlMetadataList())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (getUrlMetadataCount() > 0) {
+      hash = (37 * hash) + URL_METADATA_FIELD_NUMBER;
+      hash = (53 * hash) + getUrlMetadataList().hashCode();
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContextMetadata parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContextMetadata parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContextMetadata parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContextMetadata parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContextMetadata parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContextMetadata parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContextMetadata parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContextMetadata parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContextMetadata parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContextMetadata parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContextMetadata parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContextMetadata parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.UrlContextMetadata prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Metadata related to url context retrieval tool.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.UrlContextMetadata}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.UrlContextMetadata)
+      com.google.cloud.vertexai.api.UrlContextMetadataOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_UrlContextMetadata_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_UrlContextMetadata_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.UrlContextMetadata.class,
+              com.google.cloud.vertexai.api.UrlContextMetadata.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.UrlContextMetadata.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (urlMetadataBuilder_ == null) {
+        urlMetadata_ = java.util.Collections.emptyList();
+      } else {
+        urlMetadata_ = null;
+        urlMetadataBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000001);
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_UrlContextMetadata_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UrlContextMetadata getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.UrlContextMetadata.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UrlContextMetadata build() {
+      com.google.cloud.vertexai.api.UrlContextMetadata result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UrlContextMetadata buildPartial() {
+      com.google.cloud.vertexai.api.UrlContextMetadata result =
+          new com.google.cloud.vertexai.api.UrlContextMetadata(this);
+      buildPartialRepeatedFields(result);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartialRepeatedFields(
+        com.google.cloud.vertexai.api.UrlContextMetadata result) {
+      if (urlMetadataBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)) {
+          urlMetadata_ = java.util.Collections.unmodifiableList(urlMetadata_);
+          bitField0_ = (bitField0_ & ~0x00000001);
+        }
+        result.urlMetadata_ = urlMetadata_;
+      } else {
+        result.urlMetadata_ = urlMetadataBuilder_.build();
+      }
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.UrlContextMetadata result) {
+      int from_bitField0_ = bitField0_;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.UrlContextMetadata) {
+        return mergeFrom((com.google.cloud.vertexai.api.UrlContextMetadata) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.UrlContextMetadata other) {
+      if (other == com.google.cloud.vertexai.api.UrlContextMetadata.getDefaultInstance())
+        return this;
+      if (urlMetadataBuilder_ == null) {
+        if (!other.urlMetadata_.isEmpty()) {
+          if (urlMetadata_.isEmpty()) {
+            urlMetadata_ = other.urlMetadata_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+          } else {
+            ensureUrlMetadataIsMutable();
+            urlMetadata_.addAll(other.urlMetadata_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.urlMetadata_.isEmpty()) {
+          if (urlMetadataBuilder_.isEmpty()) {
+            urlMetadataBuilder_.dispose();
+            urlMetadataBuilder_ = null;
+            urlMetadata_ = other.urlMetadata_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+            urlMetadataBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetUrlMetadataFieldBuilder()
+                    : null;
+          } else {
+            urlMetadataBuilder_.addAllMessages(other.urlMetadata_);
+          }
+        }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                com.google.cloud.vertexai.api.UrlMetadata m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.UrlMetadata.parser(), extensionRegistry);
+                if (urlMetadataBuilder_ == null) {
+                  ensureUrlMetadataIsMutable();
+                  urlMetadata_.add(m);
+                } else {
+                  urlMetadataBuilder_.addMessage(m);
+                }
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.util.List<com.google.cloud.vertexai.api.UrlMetadata> urlMetadata_ =
+        java.util.Collections.emptyList();
+
+    private void ensureUrlMetadataIsMutable() {
+      if (!((bitField0_ & 0x00000001) != 0)) {
+        urlMetadata_ =
+            new java.util.ArrayList<com.google.cloud.vertexai.api.UrlMetadata>(urlMetadata_);
+        bitField0_ |= 0x00000001;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.UrlMetadata,
+            com.google.cloud.vertexai.api.UrlMetadata.Builder,
+            com.google.cloud.vertexai.api.UrlMetadataOrBuilder>
+        urlMetadataBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.UrlMetadata> getUrlMetadataList() {
+      if (urlMetadataBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(urlMetadata_);
+      } else {
+        return urlMetadataBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public int getUrlMetadataCount() {
+      if (urlMetadataBuilder_ == null) {
+        return urlMetadata_.size();
+      } else {
+        return urlMetadataBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.UrlMetadata getUrlMetadata(int index) {
+      if (urlMetadataBuilder_ == null) {
+        return urlMetadata_.get(index);
+      } else {
+        return urlMetadataBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setUrlMetadata(int index, com.google.cloud.vertexai.api.UrlMetadata value) {
+      if (urlMetadataBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureUrlMetadataIsMutable();
+        urlMetadata_.set(index, value);
+        onChanged();
+      } else {
+        urlMetadataBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setUrlMetadata(
+        int index, com.google.cloud.vertexai.api.UrlMetadata.Builder builderForValue) {
+      if (urlMetadataBuilder_ == null) {
+        ensureUrlMetadataIsMutable();
+        urlMetadata_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        urlMetadataBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addUrlMetadata(com.google.cloud.vertexai.api.UrlMetadata value) {
+      if (urlMetadataBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureUrlMetadataIsMutable();
+        urlMetadata_.add(value);
+        onChanged();
+      } else {
+        urlMetadataBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addUrlMetadata(int index, com.google.cloud.vertexai.api.UrlMetadata value) {
+      if (urlMetadataBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureUrlMetadataIsMutable();
+        urlMetadata_.add(index, value);
+        onChanged();
+      } else {
+        urlMetadataBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addUrlMetadata(
+        com.google.cloud.vertexai.api.UrlMetadata.Builder builderForValue) {
+      if (urlMetadataBuilder_ == null) {
+        ensureUrlMetadataIsMutable();
+        urlMetadata_.add(builderForValue.build());
+        onChanged();
+      } else {
+        urlMetadataBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addUrlMetadata(
+        int index, com.google.cloud.vertexai.api.UrlMetadata.Builder builderForValue) {
+      if (urlMetadataBuilder_ == null) {
+        ensureUrlMetadataIsMutable();
+        urlMetadata_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        urlMetadataBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addAllUrlMetadata(
+        java.lang.Iterable<? extends com.google.cloud.vertexai.api.UrlMetadata> values) {
+      if (urlMetadataBuilder_ == null) {
+        ensureUrlMetadataIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, urlMetadata_);
+        onChanged();
+      } else {
+        urlMetadataBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearUrlMetadata() {
+      if (urlMetadataBuilder_ == null) {
+        urlMetadata_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+      } else {
+        urlMetadataBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder removeUrlMetadata(int index) {
+      if (urlMetadataBuilder_ == null) {
+        ensureUrlMetadataIsMutable();
+        urlMetadata_.remove(index);
+        onChanged();
+      } else {
+        urlMetadataBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.UrlMetadata.Builder getUrlMetadataBuilder(int index) {
+      return internalGetUrlMetadataFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.UrlMetadataOrBuilder getUrlMetadataOrBuilder(int index) {
+      if (urlMetadataBuilder_ == null) {
+        return urlMetadata_.get(index);
+      } else {
+        return urlMetadataBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<? extends com.google.cloud.vertexai.api.UrlMetadataOrBuilder>
+        getUrlMetadataOrBuilderList() {
+      if (urlMetadataBuilder_ != null) {
+        return urlMetadataBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(urlMetadata_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.UrlMetadata.Builder addUrlMetadataBuilder() {
+      return internalGetUrlMetadataFieldBuilder()
+          .addBuilder(com.google.cloud.vertexai.api.UrlMetadata.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.UrlMetadata.Builder addUrlMetadataBuilder(int index) {
+      return internalGetUrlMetadataFieldBuilder()
+          .addBuilder(index, com.google.cloud.vertexai.api.UrlMetadata.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. List of url context.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.UrlMetadata.Builder>
+        getUrlMetadataBuilderList() {
+      return internalGetUrlMetadataFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.UrlMetadata,
+            com.google.cloud.vertexai.api.UrlMetadata.Builder,
+            com.google.cloud.vertexai.api.UrlMetadataOrBuilder>
+        internalGetUrlMetadataFieldBuilder() {
+      if (urlMetadataBuilder_ == null) {
+        urlMetadataBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.UrlMetadata,
+                com.google.cloud.vertexai.api.UrlMetadata.Builder,
+                com.google.cloud.vertexai.api.UrlMetadataOrBuilder>(
+                urlMetadata_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
+        urlMetadata_ = null;
+      }
+      return urlMetadataBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.UrlContextMetadata)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.UrlContextMetadata)
+  private static final com.google.cloud.vertexai.api.UrlContextMetadata DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.UrlContextMetadata();
+  }
+
+  public static com.google.cloud.vertexai.api.UrlContextMetadata getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<UrlContextMetadata> PARSER =
+      new com.google.protobuf.AbstractParser<UrlContextMetadata>() {
+        @java.lang.Override
+        public UrlContextMetadata parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<UrlContextMetadata> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<UrlContextMetadata> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.UrlContextMetadata getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlContextMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlContextMetadataOrBuilder.java
new file mode 100644
index 000000000000..bcd81dbcf37b
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlContextMetadataOrBuilder.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface UrlContextMetadataOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.UrlContextMetadata)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of url context.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  java.util.List<com.google.cloud.vertexai.api.UrlMetadata> getUrlMetadataList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of url context.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.UrlMetadata getUrlMetadata(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of url context.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  int getUrlMetadataCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of url context.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.vertexai.api.UrlMetadataOrBuilder>
+      getUrlMetadataOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. List of url context.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.UrlMetadata url_metadata = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.UrlMetadataOrBuilder getUrlMetadataOrBuilder(int index);
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlContextOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlContextOrBuilder.java
new file mode 100644
index 000000000000..0adea225dd6b
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlContextOrBuilder.java
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface UrlContextOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.UrlContext)
+    com.google.protobuf.MessageOrBuilder {}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlMetadata.java
new file mode 100644
index 000000000000..88bd104a5d8f
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlMetadata.java
@@ -0,0 +1,939 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Context of the a single url retrieval.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.UrlMetadata}
+ */
+@com.google.protobuf.Generated
+public final class UrlMetadata extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.UrlMetadata)
+    UrlMetadataOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "UrlMetadata");
+  }
+
+  // Use UrlMetadata.newBuilder() to construct.
+  private UrlMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private UrlMetadata() {
+    retrievedUrl_ = "";
+    urlRetrievalStatus_ = 0;
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_UrlMetadata_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_UrlMetadata_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.UrlMetadata.class,
+            com.google.cloud.vertexai.api.UrlMetadata.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Status of the url retrieval.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.vertexai.v1.UrlMetadata.UrlRetrievalStatus}
+   */
+  public enum UrlRetrievalStatus implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Default value. This value is unused.
+     * </pre>
+     *
+     * <code>URL_RETRIEVAL_STATUS_UNSPECIFIED = 0;</code>
+     */
+    URL_RETRIEVAL_STATUS_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Url retrieval is successful.
+     * </pre>
+     *
+     * <code>URL_RETRIEVAL_STATUS_SUCCESS = 1;</code>
+     */
+    URL_RETRIEVAL_STATUS_SUCCESS(1),
+    /**
+     *
+     *
+     * <pre>
+     * Url retrieval is failed due to error.
+     * </pre>
+     *
+     * <code>URL_RETRIEVAL_STATUS_ERROR = 2;</code>
+     */
+    URL_RETRIEVAL_STATUS_ERROR(2),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "UrlRetrievalStatus");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Default value. This value is unused.
+     * </pre>
+     *
+     * <code>URL_RETRIEVAL_STATUS_UNSPECIFIED = 0;</code>
+     */
+    public static final int URL_RETRIEVAL_STATUS_UNSPECIFIED_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Url retrieval is successful.
+     * </pre>
+     *
+     * <code>URL_RETRIEVAL_STATUS_SUCCESS = 1;</code>
+     */
+    public static final int URL_RETRIEVAL_STATUS_SUCCESS_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * Url retrieval is failed due to error.
+     * </pre>
+     *
+     * <code>URL_RETRIEVAL_STATUS_ERROR = 2;</code>
+     */
+    public static final int URL_RETRIEVAL_STATUS_ERROR_VALUE = 2;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static UrlRetrievalStatus valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static UrlRetrievalStatus forNumber(int value) {
+      switch (value) {
+        case 0:
+          return URL_RETRIEVAL_STATUS_UNSPECIFIED;
+        case 1:
+          return URL_RETRIEVAL_STATUS_SUCCESS;
+        case 2:
+          return URL_RETRIEVAL_STATUS_ERROR;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<UrlRetrievalStatus>
+        internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<UrlRetrievalStatus>
+        internalValueMap =
+            new com.google.protobuf.Internal.EnumLiteMap<UrlRetrievalStatus>() {
+              public UrlRetrievalStatus findValueByNumber(int number) {
+                return UrlRetrievalStatus.forNumber(number);
+              }
+            };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.UrlMetadata.getDescriptor().getEnumTypes().get(0);
+    }
+
+    private static final UrlRetrievalStatus[] VALUES = values();
+
+    public static UrlRetrievalStatus valueOf(
+        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private UrlRetrievalStatus(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.vertexai.v1.UrlMetadata.UrlRetrievalStatus)
+  }
+
+  public static final int RETRIEVED_URL_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object retrievedUrl_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Retrieved url by the tool.
+   * </pre>
+   *
+   * <code>string retrieved_url = 1;</code>
+   *
+   * @return The retrievedUrl.
+   */
+  @java.lang.Override
+  public java.lang.String getRetrievedUrl() {
+    java.lang.Object ref = retrievedUrl_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      retrievedUrl_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Retrieved url by the tool.
+   * </pre>
+   *
+   * <code>string retrieved_url = 1;</code>
+   *
+   * @return The bytes for retrievedUrl.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getRetrievedUrlBytes() {
+    java.lang.Object ref = retrievedUrl_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      retrievedUrl_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int URL_RETRIEVAL_STATUS_FIELD_NUMBER = 2;
+  private int urlRetrievalStatus_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Status of the url retrieval.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.UrlMetadata.UrlRetrievalStatus url_retrieval_status = 2;</code>
+   *
+   * @return The enum numeric value on the wire for urlRetrievalStatus.
+   */
+  @java.lang.Override
+  public int getUrlRetrievalStatusValue() {
+    return urlRetrievalStatus_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Status of the url retrieval.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.UrlMetadata.UrlRetrievalStatus url_retrieval_status = 2;</code>
+   *
+   * @return The urlRetrievalStatus.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.UrlMetadata.UrlRetrievalStatus getUrlRetrievalStatus() {
+    com.google.cloud.vertexai.api.UrlMetadata.UrlRetrievalStatus result =
+        com.google.cloud.vertexai.api.UrlMetadata.UrlRetrievalStatus.forNumber(urlRetrievalStatus_);
+    return result == null
+        ? com.google.cloud.vertexai.api.UrlMetadata.UrlRetrievalStatus.UNRECOGNIZED
+        : result;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(retrievedUrl_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, retrievedUrl_);
+    }
+    if (urlRetrievalStatus_
+        != com.google.cloud.vertexai.api.UrlMetadata.UrlRetrievalStatus
+            .URL_RETRIEVAL_STATUS_UNSPECIFIED
+            .getNumber()) {
+      output.writeEnum(2, urlRetrievalStatus_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(retrievedUrl_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, retrievedUrl_);
+    }
+    if (urlRetrievalStatus_
+        != com.google.cloud.vertexai.api.UrlMetadata.UrlRetrievalStatus
+            .URL_RETRIEVAL_STATUS_UNSPECIFIED
+            .getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(2, urlRetrievalStatus_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.UrlMetadata)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.UrlMetadata other =
+        (com.google.cloud.vertexai.api.UrlMetadata) obj;
+
+    if (!getRetrievedUrl().equals(other.getRetrievedUrl())) return false;
+    if (urlRetrievalStatus_ != other.urlRetrievalStatus_) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + RETRIEVED_URL_FIELD_NUMBER;
+    hash = (53 * hash) + getRetrievedUrl().hashCode();
+    hash = (37 * hash) + URL_RETRIEVAL_STATUS_FIELD_NUMBER;
+    hash = (53 * hash) + urlRetrievalStatus_;
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.UrlMetadata parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlMetadata parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlMetadata parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlMetadata parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlMetadata parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlMetadata parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlMetadata parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlMetadata parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlMetadata parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlMetadata parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlMetadata parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.UrlMetadata parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.UrlMetadata prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Context of the a single url retrieval.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.UrlMetadata}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.UrlMetadata)
+      com.google.cloud.vertexai.api.UrlMetadataOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_UrlMetadata_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_UrlMetadata_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.UrlMetadata.class,
+              com.google.cloud.vertexai.api.UrlMetadata.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.UrlMetadata.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      retrievedUrl_ = "";
+      urlRetrievalStatus_ = 0;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_UrlMetadata_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UrlMetadata getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.UrlMetadata.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UrlMetadata build() {
+      com.google.cloud.vertexai.api.UrlMetadata result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UrlMetadata buildPartial() {
+      com.google.cloud.vertexai.api.UrlMetadata result =
+          new com.google.cloud.vertexai.api.UrlMetadata(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.UrlMetadata result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.retrievedUrl_ = retrievedUrl_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.urlRetrievalStatus_ = urlRetrievalStatus_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.UrlMetadata) {
+        return mergeFrom((com.google.cloud.vertexai.api.UrlMetadata) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.UrlMetadata other) {
+      if (other == com.google.cloud.vertexai.api.UrlMetadata.getDefaultInstance()) return this;
+      if (!other.getRetrievedUrl().isEmpty()) {
+        retrievedUrl_ = other.retrievedUrl_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      if (other.urlRetrievalStatus_ != 0) {
+        setUrlRetrievalStatusValue(other.getUrlRetrievalStatusValue());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                retrievedUrl_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            case 16:
+              {
+                urlRetrievalStatus_ = input.readEnum();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 16
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object retrievedUrl_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Retrieved url by the tool.
+     * </pre>
+     *
+     * <code>string retrieved_url = 1;</code>
+     *
+     * @return The retrievedUrl.
+     */
+    public java.lang.String getRetrievedUrl() {
+      java.lang.Object ref = retrievedUrl_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        retrievedUrl_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Retrieved url by the tool.
+     * </pre>
+     *
+     * <code>string retrieved_url = 1;</code>
+     *
+     * @return The bytes for retrievedUrl.
+     */
+    public com.google.protobuf.ByteString getRetrievedUrlBytes() {
+      java.lang.Object ref = retrievedUrl_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        retrievedUrl_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Retrieved url by the tool.
+     * </pre>
+     *
+     * <code>string retrieved_url = 1;</code>
+     *
+     * @param value The retrievedUrl to set.
+     * @return This builder for chaining.
+     */
+    public Builder setRetrievedUrl(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      retrievedUrl_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Retrieved url by the tool.
+     * </pre>
+     *
+     * <code>string retrieved_url = 1;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearRetrievedUrl() {
+      retrievedUrl_ = getDefaultInstance().getRetrievedUrl();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Retrieved url by the tool.
+     * </pre>
+     *
+     * <code>string retrieved_url = 1;</code>
+     *
+     * @param value The bytes for retrievedUrl to set.
+     * @return This builder for chaining.
+     */
+    public Builder setRetrievedUrlBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      retrievedUrl_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private int urlRetrievalStatus_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Status of the url retrieval.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.UrlMetadata.UrlRetrievalStatus url_retrieval_status = 2;
+     * </code>
+     *
+     * @return The enum numeric value on the wire for urlRetrievalStatus.
+     */
+    @java.lang.Override
+    public int getUrlRetrievalStatusValue() {
+      return urlRetrievalStatus_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Status of the url retrieval.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.UrlMetadata.UrlRetrievalStatus url_retrieval_status = 2;
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for urlRetrievalStatus to set.
+     * @return This builder for chaining.
+     */
+    public Builder setUrlRetrievalStatusValue(int value) {
+      urlRetrievalStatus_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Status of the url retrieval.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.UrlMetadata.UrlRetrievalStatus url_retrieval_status = 2;
+     * </code>
+     *
+     * @return The urlRetrievalStatus.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UrlMetadata.UrlRetrievalStatus getUrlRetrievalStatus() {
+      com.google.cloud.vertexai.api.UrlMetadata.UrlRetrievalStatus result =
+          com.google.cloud.vertexai.api.UrlMetadata.UrlRetrievalStatus.forNumber(
+              urlRetrievalStatus_);
+      return result == null
+          ? com.google.cloud.vertexai.api.UrlMetadata.UrlRetrievalStatus.UNRECOGNIZED
+          : result;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Status of the url retrieval.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.UrlMetadata.UrlRetrievalStatus url_retrieval_status = 2;
+     * </code>
+     *
+     * @param value The urlRetrievalStatus to set.
+     * @return This builder for chaining.
+     */
+    public Builder setUrlRetrievalStatus(
+        com.google.cloud.vertexai.api.UrlMetadata.UrlRetrievalStatus value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00000002;
+      urlRetrievalStatus_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Status of the url retrieval.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.UrlMetadata.UrlRetrievalStatus url_retrieval_status = 2;
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearUrlRetrievalStatus() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      urlRetrievalStatus_ = 0;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.UrlMetadata)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.UrlMetadata)
+  private static final com.google.cloud.vertexai.api.UrlMetadata DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.UrlMetadata();
+  }
+
+  public static com.google.cloud.vertexai.api.UrlMetadata getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<UrlMetadata> PARSER =
+      new com.google.protobuf.AbstractParser<UrlMetadata>() {
+        @java.lang.Override
+        public UrlMetadata parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<UrlMetadata> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<UrlMetadata> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.UrlMetadata getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlMetadataOrBuilder.java
new file mode 100644
index 000000000000..5308d7d90440
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UrlMetadataOrBuilder.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface UrlMetadataOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.UrlMetadata)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Retrieved url by the tool.
+   * </pre>
+   *
+   * <code>string retrieved_url = 1;</code>
+   *
+   * @return The retrievedUrl.
+   */
+  java.lang.String getRetrievedUrl();
+
+  /**
+   *
+   *
+   * <pre>
+   * Retrieved url by the tool.
+   * </pre>
+   *
+   * <code>string retrieved_url = 1;</code>
+   *
+   * @return The bytes for retrievedUrl.
+   */
+  com.google.protobuf.ByteString getRetrievedUrlBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Status of the url retrieval.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.UrlMetadata.UrlRetrievalStatus url_retrieval_status = 2;</code>
+   *
+   * @return The enum numeric value on the wire for urlRetrievalStatus.
+   */
+  int getUrlRetrievalStatusValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Status of the url retrieval.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.UrlMetadata.UrlRetrievalStatus url_retrieval_status = 2;</code>
+   *
+   * @return The urlRetrievalStatus.
+   */
+  com.google.cloud.vertexai.api.UrlMetadata.UrlRetrievalStatus getUrlRetrievalStatus();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UsageMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UsageMetadata.java
new file mode 100644
index 000000000000..2106281acab0
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UsageMetadata.java
@@ -0,0 +1,3771 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/usage_metadata.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Usage metadata about the content generation request and response.
+ * This message provides a detailed breakdown of token usage and other
+ * relevant metrics.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.UsageMetadata}
+ */
+@com.google.protobuf.Generated
+public final class UsageMetadata extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.UsageMetadata)
+    UsageMetadataOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "UsageMetadata");
+  }
+
+  // Use UsageMetadata.newBuilder() to construct.
+  private UsageMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private UsageMetadata() {
+    promptTokensDetails_ = java.util.Collections.emptyList();
+    cacheTokensDetails_ = java.util.Collections.emptyList();
+    candidatesTokensDetails_ = java.util.Collections.emptyList();
+    toolUsePromptTokensDetails_ = java.util.Collections.emptyList();
+    trafficType_ = 0;
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.UsageMetadataProto
+        .internal_static_google_cloud_vertexai_v1_UsageMetadata_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.UsageMetadataProto
+        .internal_static_google_cloud_vertexai_v1_UsageMetadata_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.UsageMetadata.class,
+            com.google.cloud.vertexai.api.UsageMetadata.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The type of traffic that this request was processed with, indicating which
+   * quota gets consumed.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.vertexai.v1.UsageMetadata.TrafficType}
+   */
+  public enum TrafficType implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified request traffic type.
+     * </pre>
+     *
+     * <code>TRAFFIC_TYPE_UNSPECIFIED = 0;</code>
+     */
+    TRAFFIC_TYPE_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * Type for Pay-As-You-Go traffic.
+     * </pre>
+     *
+     * <code>ON_DEMAND = 1;</code>
+     */
+    ON_DEMAND(1),
+    /**
+     *
+     *
+     * <pre>
+     * Type for Provisioned Throughput traffic.
+     * </pre>
+     *
+     * <code>PROVISIONED_THROUGHPUT = 2;</code>
+     */
+    PROVISIONED_THROUGHPUT(2),
+    UNRECOGNIZED(-1),
+    ;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "TrafficType");
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Unspecified request traffic type.
+     * </pre>
+     *
+     * <code>TRAFFIC_TYPE_UNSPECIFIED = 0;</code>
+     */
+    public static final int TRAFFIC_TYPE_UNSPECIFIED_VALUE = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Type for Pay-As-You-Go traffic.
+     * </pre>
+     *
+     * <code>ON_DEMAND = 1;</code>
+     */
+    public static final int ON_DEMAND_VALUE = 1;
+
+    /**
+     *
+     *
+     * <pre>
+     * Type for Provisioned Throughput traffic.
+     * </pre>
+     *
+     * <code>PROVISIONED_THROUGHPUT = 2;</code>
+     */
+    public static final int PROVISIONED_THROUGHPUT_VALUE = 2;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static TrafficType valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static TrafficType forNumber(int value) {
+      switch (value) {
+        case 0:
+          return TRAFFIC_TYPE_UNSPECIFIED;
+        case 1:
+          return ON_DEMAND;
+        case 2:
+          return PROVISIONED_THROUGHPUT;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<TrafficType> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<TrafficType> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<TrafficType>() {
+          public TrafficType findValueByNumber(int number) {
+            return TrafficType.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.UsageMetadata.getDescriptor().getEnumTypes().get(0);
+    }
+
+    private static final TrafficType[] VALUES = values();
+
+    public static TrafficType valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private TrafficType(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.vertexai.v1.UsageMetadata.TrafficType)
+  }
+
+  public static final int PROMPT_TOKEN_COUNT_FIELD_NUMBER = 1;
+  private int promptTokenCount_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * The total number of tokens in the prompt. This includes any text, images,
+   * or other media provided in the request. When `cached_content` is set,
+   * this also includes the number of tokens in the cached content.
+   * </pre>
+   *
+   * <code>int32 prompt_token_count = 1;</code>
+   *
+   * @return The promptTokenCount.
+   */
+  @java.lang.Override
+  public int getPromptTokenCount() {
+    return promptTokenCount_;
+  }
+
+  public static final int CANDIDATES_TOKEN_COUNT_FIELD_NUMBER = 2;
+  private int candidatesTokenCount_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * The total number of tokens in the generated candidates.
+   * </pre>
+   *
+   * <code>int32 candidates_token_count = 2;</code>
+   *
+   * @return The candidatesTokenCount.
+   */
+  @java.lang.Override
+  public int getCandidatesTokenCount() {
+    return candidatesTokenCount_;
+  }
+
+  public static final int TOTAL_TOKEN_COUNT_FIELD_NUMBER = 3;
+  private int totalTokenCount_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * The total number of tokens for the entire request. This is the sum of
+   * `prompt_token_count`, `candidates_token_count`,
+   * `tool_use_prompt_token_count`, and `thoughts_token_count`.
+   * </pre>
+   *
+   * <code>int32 total_token_count = 3;</code>
+   *
+   * @return The totalTokenCount.
+   */
+  @java.lang.Override
+  public int getTotalTokenCount() {
+    return totalTokenCount_;
+  }
+
+  public static final int TOOL_USE_PROMPT_TOKEN_COUNT_FIELD_NUMBER = 13;
+  private int toolUsePromptTokenCount_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The number of tokens in the results from tool executions,
+   * which are provided back to the model as input, if applicable.
+   * </pre>
+   *
+   * <code>int32 tool_use_prompt_token_count = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The toolUsePromptTokenCount.
+   */
+  @java.lang.Override
+  public int getToolUsePromptTokenCount() {
+    return toolUsePromptTokenCount_;
+  }
+
+  public static final int THOUGHTS_TOKEN_COUNT_FIELD_NUMBER = 14;
+  private int thoughtsTokenCount_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The number of tokens that were part of the model's generated
+   * "thoughts" output, if applicable.
+   * </pre>
+   *
+   * <code>int32 thoughts_token_count = 14 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The thoughtsTokenCount.
+   */
+  @java.lang.Override
+  public int getThoughtsTokenCount() {
+    return thoughtsTokenCount_;
+  }
+
+  public static final int CACHED_CONTENT_TOKEN_COUNT_FIELD_NUMBER = 5;
+  private int cachedContentTokenCount_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The number of tokens in the cached content that was used for
+   * this request.
+   * </pre>
+   *
+   * <code>int32 cached_content_token_count = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The cachedContentTokenCount.
+   */
+  @java.lang.Override
+  public int getCachedContentTokenCount() {
+    return cachedContentTokenCount_;
+  }
+
+  public static final int PROMPT_TOKENS_DETAILS_FIELD_NUMBER = 9;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount> promptTokensDetails_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the prompt.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount>
+      getPromptTokensDetailsList() {
+    return promptTokensDetails_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the prompt.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+      getPromptTokensDetailsOrBuilderList() {
+    return promptTokensDetails_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the prompt.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public int getPromptTokensDetailsCount() {
+    return promptTokensDetails_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the prompt.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ModalityTokenCount getPromptTokensDetails(int index) {
+    return promptTokensDetails_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the prompt.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder getPromptTokensDetailsOrBuilder(
+      int index) {
+    return promptTokensDetails_.get(index);
+  }
+
+  public static final int CACHE_TOKENS_DETAILS_FIELD_NUMBER = 10;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount> cacheTokensDetails_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the cached content.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount>
+      getCacheTokensDetailsList() {
+    return cacheTokensDetails_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the cached content.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+      getCacheTokensDetailsOrBuilderList() {
+    return cacheTokensDetails_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the cached content.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public int getCacheTokensDetailsCount() {
+    return cacheTokensDetails_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the cached content.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ModalityTokenCount getCacheTokensDetails(int index) {
+    return cacheTokensDetails_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the cached content.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder getCacheTokensDetailsOrBuilder(
+      int index) {
+    return cacheTokensDetails_.get(index);
+  }
+
+  public static final int CANDIDATES_TOKENS_DETAILS_FIELD_NUMBER = 11;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount> candidatesTokensDetails_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the generated candidates.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount>
+      getCandidatesTokensDetailsList() {
+    return candidatesTokensDetails_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the generated candidates.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+      getCandidatesTokensDetailsOrBuilderList() {
+    return candidatesTokensDetails_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the generated candidates.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public int getCandidatesTokensDetailsCount() {
+    return candidatesTokensDetails_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the generated candidates.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ModalityTokenCount getCandidatesTokensDetails(int index) {
+    return candidatesTokensDetails_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the generated candidates.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder
+      getCandidatesTokensDetailsOrBuilder(int index) {
+    return candidatesTokensDetails_.get(index);
+  }
+
+  public static final int TOOL_USE_PROMPT_TOKENS_DETAILS_FIELD_NUMBER = 12;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount>
+      toolUsePromptTokensDetails_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown by modality of the token counts from the
+   * results of tool executions, which are provided back to the model as input.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount>
+      getToolUsePromptTokensDetailsList() {
+    return toolUsePromptTokensDetails_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown by modality of the token counts from the
+   * results of tool executions, which are provided back to the model as input.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+      getToolUsePromptTokensDetailsOrBuilderList() {
+    return toolUsePromptTokensDetails_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown by modality of the token counts from the
+   * results of tool executions, which are provided back to the model as input.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public int getToolUsePromptTokensDetailsCount() {
+    return toolUsePromptTokensDetails_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown by modality of the token counts from the
+   * results of tool executions, which are provided back to the model as input.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ModalityTokenCount getToolUsePromptTokensDetails(int index) {
+    return toolUsePromptTokensDetails_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown by modality of the token counts from the
+   * results of tool executions, which are provided back to the model as input.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder
+      getToolUsePromptTokensDetailsOrBuilder(int index) {
+    return toolUsePromptTokensDetails_.get(index);
+  }
+
+  public static final int TRAFFIC_TYPE_FIELD_NUMBER = 8;
+  private int trafficType_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The traffic type for this request.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UsageMetadata.TrafficType traffic_type = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for trafficType.
+   */
+  @java.lang.Override
+  public int getTrafficTypeValue() {
+    return trafficType_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The traffic type for this request.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UsageMetadata.TrafficType traffic_type = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The trafficType.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.UsageMetadata.TrafficType getTrafficType() {
+    com.google.cloud.vertexai.api.UsageMetadata.TrafficType result =
+        com.google.cloud.vertexai.api.UsageMetadata.TrafficType.forNumber(trafficType_);
+    return result == null
+        ? com.google.cloud.vertexai.api.UsageMetadata.TrafficType.UNRECOGNIZED
+        : result;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (promptTokenCount_ != 0) {
+      output.writeInt32(1, promptTokenCount_);
+    }
+    if (candidatesTokenCount_ != 0) {
+      output.writeInt32(2, candidatesTokenCount_);
+    }
+    if (totalTokenCount_ != 0) {
+      output.writeInt32(3, totalTokenCount_);
+    }
+    if (cachedContentTokenCount_ != 0) {
+      output.writeInt32(5, cachedContentTokenCount_);
+    }
+    if (trafficType_
+        != com.google.cloud.vertexai.api.UsageMetadata.TrafficType.TRAFFIC_TYPE_UNSPECIFIED
+            .getNumber()) {
+      output.writeEnum(8, trafficType_);
+    }
+    for (int i = 0; i < promptTokensDetails_.size(); i++) {
+      output.writeMessage(9, promptTokensDetails_.get(i));
+    }
+    for (int i = 0; i < cacheTokensDetails_.size(); i++) {
+      output.writeMessage(10, cacheTokensDetails_.get(i));
+    }
+    for (int i = 0; i < candidatesTokensDetails_.size(); i++) {
+      output.writeMessage(11, candidatesTokensDetails_.get(i));
+    }
+    for (int i = 0; i < toolUsePromptTokensDetails_.size(); i++) {
+      output.writeMessage(12, toolUsePromptTokensDetails_.get(i));
+    }
+    if (toolUsePromptTokenCount_ != 0) {
+      output.writeInt32(13, toolUsePromptTokenCount_);
+    }
+    if (thoughtsTokenCount_ != 0) {
+      output.writeInt32(14, thoughtsTokenCount_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (promptTokenCount_ != 0) {
+      size += com.google.protobuf.CodedOutputStream.computeInt32Size(1, promptTokenCount_);
+    }
+    if (candidatesTokenCount_ != 0) {
+      size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, candidatesTokenCount_);
+    }
+    if (totalTokenCount_ != 0) {
+      size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, totalTokenCount_);
+    }
+    if (cachedContentTokenCount_ != 0) {
+      size += com.google.protobuf.CodedOutputStream.computeInt32Size(5, cachedContentTokenCount_);
+    }
+    if (trafficType_
+        != com.google.cloud.vertexai.api.UsageMetadata.TrafficType.TRAFFIC_TYPE_UNSPECIFIED
+            .getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(8, trafficType_);
+    }
+    for (int i = 0; i < promptTokensDetails_.size(); i++) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(9, promptTokensDetails_.get(i));
+    }
+    for (int i = 0; i < cacheTokensDetails_.size(); i++) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(10, cacheTokensDetails_.get(i));
+    }
+    for (int i = 0; i < candidatesTokensDetails_.size(); i++) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              11, candidatesTokensDetails_.get(i));
+    }
+    for (int i = 0; i < toolUsePromptTokensDetails_.size(); i++) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              12, toolUsePromptTokensDetails_.get(i));
+    }
+    if (toolUsePromptTokenCount_ != 0) {
+      size += com.google.protobuf.CodedOutputStream.computeInt32Size(13, toolUsePromptTokenCount_);
+    }
+    if (thoughtsTokenCount_ != 0) {
+      size += com.google.protobuf.CodedOutputStream.computeInt32Size(14, thoughtsTokenCount_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.UsageMetadata)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.UsageMetadata other =
+        (com.google.cloud.vertexai.api.UsageMetadata) obj;
+
+    if (getPromptTokenCount() != other.getPromptTokenCount()) return false;
+    if (getCandidatesTokenCount() != other.getCandidatesTokenCount()) return false;
+    if (getTotalTokenCount() != other.getTotalTokenCount()) return false;
+    if (getToolUsePromptTokenCount() != other.getToolUsePromptTokenCount()) return false;
+    if (getThoughtsTokenCount() != other.getThoughtsTokenCount()) return false;
+    if (getCachedContentTokenCount() != other.getCachedContentTokenCount()) return false;
+    if (!getPromptTokensDetailsList().equals(other.getPromptTokensDetailsList())) return false;
+    if (!getCacheTokensDetailsList().equals(other.getCacheTokensDetailsList())) return false;
+    if (!getCandidatesTokensDetailsList().equals(other.getCandidatesTokensDetailsList()))
+      return false;
+    if (!getToolUsePromptTokensDetailsList().equals(other.getToolUsePromptTokensDetailsList()))
+      return false;
+    if (trafficType_ != other.trafficType_) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
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+    hash = (53 * hash) + getCandidatesTokenCount();
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+    hash = (53 * hash) + getThoughtsTokenCount();
+    hash = (37 * hash) + CACHED_CONTENT_TOKEN_COUNT_FIELD_NUMBER;
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+    return PARSER.parseFrom(data);
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+  public static com.google.cloud.vertexai.api.UsageMetadata parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UsageMetadata parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.UsageMetadata parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.UsageMetadata parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.UsageMetadata parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
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+  public static com.google.cloud.vertexai.api.UsageMetadata parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
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+  public static com.google.cloud.vertexai.api.UsageMetadata parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
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+  public static com.google.cloud.vertexai.api.UsageMetadata parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
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+  public static com.google.cloud.vertexai.api.UsageMetadata parseDelimitedFrom(
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+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
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+
+  public static com.google.cloud.vertexai.api.UsageMetadata parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.UsageMetadata parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.UsageMetadata prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Usage metadata about the content generation request and response.
+   * This message provides a detailed breakdown of token usage and other
+   * relevant metrics.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.UsageMetadata}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.UsageMetadata)
+      com.google.cloud.vertexai.api.UsageMetadataOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.UsageMetadataProto
+          .internal_static_google_cloud_vertexai_v1_UsageMetadata_descriptor;
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+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.UsageMetadataProto
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+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.UsageMetadata.class,
+              com.google.cloud.vertexai.api.UsageMetadata.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.UsageMetadata.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      promptTokenCount_ = 0;
+      candidatesTokenCount_ = 0;
+      totalTokenCount_ = 0;
+      toolUsePromptTokenCount_ = 0;
+      thoughtsTokenCount_ = 0;
+      cachedContentTokenCount_ = 0;
+      if (promptTokensDetailsBuilder_ == null) {
+        promptTokensDetails_ = java.util.Collections.emptyList();
+      } else {
+        promptTokensDetails_ = null;
+        promptTokensDetailsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000040);
+      if (cacheTokensDetailsBuilder_ == null) {
+        cacheTokensDetails_ = java.util.Collections.emptyList();
+      } else {
+        cacheTokensDetails_ = null;
+        cacheTokensDetailsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000080);
+      if (candidatesTokensDetailsBuilder_ == null) {
+        candidatesTokensDetails_ = java.util.Collections.emptyList();
+      } else {
+        candidatesTokensDetails_ = null;
+        candidatesTokensDetailsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000100);
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        toolUsePromptTokensDetails_ = java.util.Collections.emptyList();
+      } else {
+        toolUsePromptTokensDetails_ = null;
+        toolUsePromptTokensDetailsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000200);
+      trafficType_ = 0;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.UsageMetadataProto
+          .internal_static_google_cloud_vertexai_v1_UsageMetadata_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UsageMetadata getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.UsageMetadata.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UsageMetadata build() {
+      com.google.cloud.vertexai.api.UsageMetadata result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UsageMetadata buildPartial() {
+      com.google.cloud.vertexai.api.UsageMetadata result =
+          new com.google.cloud.vertexai.api.UsageMetadata(this);
+      buildPartialRepeatedFields(result);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartialRepeatedFields(com.google.cloud.vertexai.api.UsageMetadata result) {
+      if (promptTokensDetailsBuilder_ == null) {
+        if (((bitField0_ & 0x00000040) != 0)) {
+          promptTokensDetails_ = java.util.Collections.unmodifiableList(promptTokensDetails_);
+          bitField0_ = (bitField0_ & ~0x00000040);
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+        result.promptTokensDetails_ = promptTokensDetails_;
+      } else {
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+      }
+      if (cacheTokensDetailsBuilder_ == null) {
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+          cacheTokensDetails_ = java.util.Collections.unmodifiableList(cacheTokensDetails_);
+          bitField0_ = (bitField0_ & ~0x00000080);
+        }
+        result.cacheTokensDetails_ = cacheTokensDetails_;
+      } else {
+        result.cacheTokensDetails_ = cacheTokensDetailsBuilder_.build();
+      }
+      if (candidatesTokensDetailsBuilder_ == null) {
+        if (((bitField0_ & 0x00000100) != 0)) {
+          candidatesTokensDetails_ =
+              java.util.Collections.unmodifiableList(candidatesTokensDetails_);
+          bitField0_ = (bitField0_ & ~0x00000100);
+        }
+        result.candidatesTokensDetails_ = candidatesTokensDetails_;
+      } else {
+        result.candidatesTokensDetails_ = candidatesTokensDetailsBuilder_.build();
+      }
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        if (((bitField0_ & 0x00000200) != 0)) {
+          toolUsePromptTokensDetails_ =
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+          bitField0_ = (bitField0_ & ~0x00000200);
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+        result.toolUsePromptTokensDetails_ = toolUsePromptTokensDetails_;
+      } else {
+        result.toolUsePromptTokensDetails_ = toolUsePromptTokensDetailsBuilder_.build();
+      }
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.UsageMetadata result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.promptTokenCount_ = promptTokenCount_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.candidatesTokenCount_ = candidatesTokenCount_;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.totalTokenCount_ = totalTokenCount_;
+      }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.toolUsePromptTokenCount_ = toolUsePromptTokenCount_;
+      }
+      if (((from_bitField0_ & 0x00000010) != 0)) {
+        result.thoughtsTokenCount_ = thoughtsTokenCount_;
+      }
+      if (((from_bitField0_ & 0x00000020) != 0)) {
+        result.cachedContentTokenCount_ = cachedContentTokenCount_;
+      }
+      if (((from_bitField0_ & 0x00000400) != 0)) {
+        result.trafficType_ = trafficType_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.UsageMetadata) {
+        return mergeFrom((com.google.cloud.vertexai.api.UsageMetadata) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.UsageMetadata other) {
+      if (other == com.google.cloud.vertexai.api.UsageMetadata.getDefaultInstance()) return this;
+      if (other.getPromptTokenCount() != 0) {
+        setPromptTokenCount(other.getPromptTokenCount());
+      }
+      if (other.getCandidatesTokenCount() != 0) {
+        setCandidatesTokenCount(other.getCandidatesTokenCount());
+      }
+      if (other.getTotalTokenCount() != 0) {
+        setTotalTokenCount(other.getTotalTokenCount());
+      }
+      if (other.getToolUsePromptTokenCount() != 0) {
+        setToolUsePromptTokenCount(other.getToolUsePromptTokenCount());
+      }
+      if (other.getThoughtsTokenCount() != 0) {
+        setThoughtsTokenCount(other.getThoughtsTokenCount());
+      }
+      if (other.getCachedContentTokenCount() != 0) {
+        setCachedContentTokenCount(other.getCachedContentTokenCount());
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+      if (promptTokensDetailsBuilder_ == null) {
+        if (!other.promptTokensDetails_.isEmpty()) {
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+            promptTokensDetails_ = other.promptTokensDetails_;
+            bitField0_ = (bitField0_ & ~0x00000040);
+          } else {
+            ensurePromptTokensDetailsIsMutable();
+            promptTokensDetails_.addAll(other.promptTokensDetails_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.promptTokensDetails_.isEmpty()) {
+          if (promptTokensDetailsBuilder_.isEmpty()) {
+            promptTokensDetailsBuilder_.dispose();
+            promptTokensDetailsBuilder_ = null;
+            promptTokensDetails_ = other.promptTokensDetails_;
+            bitField0_ = (bitField0_ & ~0x00000040);
+            promptTokensDetailsBuilder_ =
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+                    ? internalGetPromptTokensDetailsFieldBuilder()
+                    : null;
+          } else {
+            promptTokensDetailsBuilder_.addAllMessages(other.promptTokensDetails_);
+          }
+        }
+      }
+      if (cacheTokensDetailsBuilder_ == null) {
+        if (!other.cacheTokensDetails_.isEmpty()) {
+          if (cacheTokensDetails_.isEmpty()) {
+            cacheTokensDetails_ = other.cacheTokensDetails_;
+            bitField0_ = (bitField0_ & ~0x00000080);
+          } else {
+            ensureCacheTokensDetailsIsMutable();
+            cacheTokensDetails_.addAll(other.cacheTokensDetails_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.cacheTokensDetails_.isEmpty()) {
+          if (cacheTokensDetailsBuilder_.isEmpty()) {
+            cacheTokensDetailsBuilder_.dispose();
+            cacheTokensDetailsBuilder_ = null;
+            cacheTokensDetails_ = other.cacheTokensDetails_;
+            bitField0_ = (bitField0_ & ~0x00000080);
+            cacheTokensDetailsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetCacheTokensDetailsFieldBuilder()
+                    : null;
+          } else {
+            cacheTokensDetailsBuilder_.addAllMessages(other.cacheTokensDetails_);
+          }
+        }
+      }
+      if (candidatesTokensDetailsBuilder_ == null) {
+        if (!other.candidatesTokensDetails_.isEmpty()) {
+          if (candidatesTokensDetails_.isEmpty()) {
+            candidatesTokensDetails_ = other.candidatesTokensDetails_;
+            bitField0_ = (bitField0_ & ~0x00000100);
+          } else {
+            ensureCandidatesTokensDetailsIsMutable();
+            candidatesTokensDetails_.addAll(other.candidatesTokensDetails_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.candidatesTokensDetails_.isEmpty()) {
+          if (candidatesTokensDetailsBuilder_.isEmpty()) {
+            candidatesTokensDetailsBuilder_.dispose();
+            candidatesTokensDetailsBuilder_ = null;
+            candidatesTokensDetails_ = other.candidatesTokensDetails_;
+            bitField0_ = (bitField0_ & ~0x00000100);
+            candidatesTokensDetailsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetCandidatesTokensDetailsFieldBuilder()
+                    : null;
+          } else {
+            candidatesTokensDetailsBuilder_.addAllMessages(other.candidatesTokensDetails_);
+          }
+        }
+      }
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        if (!other.toolUsePromptTokensDetails_.isEmpty()) {
+          if (toolUsePromptTokensDetails_.isEmpty()) {
+            toolUsePromptTokensDetails_ = other.toolUsePromptTokensDetails_;
+            bitField0_ = (bitField0_ & ~0x00000200);
+          } else {
+            ensureToolUsePromptTokensDetailsIsMutable();
+            toolUsePromptTokensDetails_.addAll(other.toolUsePromptTokensDetails_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.toolUsePromptTokensDetails_.isEmpty()) {
+          if (toolUsePromptTokensDetailsBuilder_.isEmpty()) {
+            toolUsePromptTokensDetailsBuilder_.dispose();
+            toolUsePromptTokensDetailsBuilder_ = null;
+            toolUsePromptTokensDetails_ = other.toolUsePromptTokensDetails_;
+            bitField0_ = (bitField0_ & ~0x00000200);
+            toolUsePromptTokensDetailsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetToolUsePromptTokensDetailsFieldBuilder()
+                    : null;
+          } else {
+            toolUsePromptTokensDetailsBuilder_.addAllMessages(other.toolUsePromptTokensDetails_);
+          }
+        }
+      }
+      if (other.trafficType_ != 0) {
+        setTrafficTypeValue(other.getTrafficTypeValue());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 8:
+              {
+                promptTokenCount_ = input.readInt32();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 8
+            case 16:
+              {
+                candidatesTokenCount_ = input.readInt32();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 16
+            case 24:
+              {
+                totalTokenCount_ = input.readInt32();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 24
+            case 40:
+              {
+                cachedContentTokenCount_ = input.readInt32();
+                bitField0_ |= 0x00000020;
+                break;
+              } // case 40
+            case 64:
+              {
+                trafficType_ = input.readEnum();
+                bitField0_ |= 0x00000400;
+                break;
+              } // case 64
+            case 74:
+              {
+                com.google.cloud.vertexai.api.ModalityTokenCount m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.ModalityTokenCount.parser(),
+                        extensionRegistry);
+                if (promptTokensDetailsBuilder_ == null) {
+                  ensurePromptTokensDetailsIsMutable();
+                  promptTokensDetails_.add(m);
+                } else {
+                  promptTokensDetailsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 74
+            case 82:
+              {
+                com.google.cloud.vertexai.api.ModalityTokenCount m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.ModalityTokenCount.parser(),
+                        extensionRegistry);
+                if (cacheTokensDetailsBuilder_ == null) {
+                  ensureCacheTokensDetailsIsMutable();
+                  cacheTokensDetails_.add(m);
+                } else {
+                  cacheTokensDetailsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 82
+            case 90:
+              {
+                com.google.cloud.vertexai.api.ModalityTokenCount m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.ModalityTokenCount.parser(),
+                        extensionRegistry);
+                if (candidatesTokensDetailsBuilder_ == null) {
+                  ensureCandidatesTokensDetailsIsMutable();
+                  candidatesTokensDetails_.add(m);
+                } else {
+                  candidatesTokensDetailsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 90
+            case 98:
+              {
+                com.google.cloud.vertexai.api.ModalityTokenCount m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.ModalityTokenCount.parser(),
+                        extensionRegistry);
+                if (toolUsePromptTokensDetailsBuilder_ == null) {
+                  ensureToolUsePromptTokensDetailsIsMutable();
+                  toolUsePromptTokensDetails_.add(m);
+                } else {
+                  toolUsePromptTokensDetailsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 98
+            case 104:
+              {
+                toolUsePromptTokenCount_ = input.readInt32();
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 104
+            case 112:
+              {
+                thoughtsTokenCount_ = input.readInt32();
+                bitField0_ |= 0x00000010;
+                break;
+              } // case 112
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private int promptTokenCount_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The total number of tokens in the prompt. This includes any text, images,
+     * or other media provided in the request. When `cached_content` is set,
+     * this also includes the number of tokens in the cached content.
+     * </pre>
+     *
+     * <code>int32 prompt_token_count = 1;</code>
+     *
+     * @return The promptTokenCount.
+     */
+    @java.lang.Override
+    public int getPromptTokenCount() {
+      return promptTokenCount_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The total number of tokens in the prompt. This includes any text, images,
+     * or other media provided in the request. When `cached_content` is set,
+     * this also includes the number of tokens in the cached content.
+     * </pre>
+     *
+     * <code>int32 prompt_token_count = 1;</code>
+     *
+     * @param value The promptTokenCount to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPromptTokenCount(int value) {
+
+      promptTokenCount_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The total number of tokens in the prompt. This includes any text, images,
+     * or other media provided in the request. When `cached_content` is set,
+     * this also includes the number of tokens in the cached content.
+     * </pre>
+     *
+     * <code>int32 prompt_token_count = 1;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearPromptTokenCount() {
+      bitField0_ = (bitField0_ & ~0x00000001);
+      promptTokenCount_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private int candidatesTokenCount_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The total number of tokens in the generated candidates.
+     * </pre>
+     *
+     * <code>int32 candidates_token_count = 2;</code>
+     *
+     * @return The candidatesTokenCount.
+     */
+    @java.lang.Override
+    public int getCandidatesTokenCount() {
+      return candidatesTokenCount_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The total number of tokens in the generated candidates.
+     * </pre>
+     *
+     * <code>int32 candidates_token_count = 2;</code>
+     *
+     * @param value The candidatesTokenCount to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCandidatesTokenCount(int value) {
+
+      candidatesTokenCount_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The total number of tokens in the generated candidates.
+     * </pre>
+     *
+     * <code>int32 candidates_token_count = 2;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearCandidatesTokenCount() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      candidatesTokenCount_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private int totalTokenCount_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The total number of tokens for the entire request. This is the sum of
+     * `prompt_token_count`, `candidates_token_count`,
+     * `tool_use_prompt_token_count`, and `thoughts_token_count`.
+     * </pre>
+     *
+     * <code>int32 total_token_count = 3;</code>
+     *
+     * @return The totalTokenCount.
+     */
+    @java.lang.Override
+    public int getTotalTokenCount() {
+      return totalTokenCount_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The total number of tokens for the entire request. This is the sum of
+     * `prompt_token_count`, `candidates_token_count`,
+     * `tool_use_prompt_token_count`, and `thoughts_token_count`.
+     * </pre>
+     *
+     * <code>int32 total_token_count = 3;</code>
+     *
+     * @param value The totalTokenCount to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTotalTokenCount(int value) {
+
+      totalTokenCount_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The total number of tokens for the entire request. This is the sum of
+     * `prompt_token_count`, `candidates_token_count`,
+     * `tool_use_prompt_token_count`, and `thoughts_token_count`.
+     * </pre>
+     *
+     * <code>int32 total_token_count = 3;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearTotalTokenCount() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      totalTokenCount_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private int toolUsePromptTokenCount_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The number of tokens in the results from tool executions,
+     * which are provided back to the model as input, if applicable.
+     * </pre>
+     *
+     * <code>int32 tool_use_prompt_token_count = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The toolUsePromptTokenCount.
+     */
+    @java.lang.Override
+    public int getToolUsePromptTokenCount() {
+      return toolUsePromptTokenCount_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The number of tokens in the results from tool executions,
+     * which are provided back to the model as input, if applicable.
+     * </pre>
+     *
+     * <code>int32 tool_use_prompt_token_count = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The toolUsePromptTokenCount to set.
+     * @return This builder for chaining.
+     */
+    public Builder setToolUsePromptTokenCount(int value) {
+
+      toolUsePromptTokenCount_ = value;
+      bitField0_ |= 0x00000008;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The number of tokens in the results from tool executions,
+     * which are provided back to the model as input, if applicable.
+     * </pre>
+     *
+     * <code>int32 tool_use_prompt_token_count = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearToolUsePromptTokenCount() {
+      bitField0_ = (bitField0_ & ~0x00000008);
+      toolUsePromptTokenCount_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private int thoughtsTokenCount_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The number of tokens that were part of the model's generated
+     * "thoughts" output, if applicable.
+     * </pre>
+     *
+     * <code>int32 thoughts_token_count = 14 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return The thoughtsTokenCount.
+     */
+    @java.lang.Override
+    public int getThoughtsTokenCount() {
+      return thoughtsTokenCount_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The number of tokens that were part of the model's generated
+     * "thoughts" output, if applicable.
+     * </pre>
+     *
+     * <code>int32 thoughts_token_count = 14 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @param value The thoughtsTokenCount to set.
+     * @return This builder for chaining.
+     */
+    public Builder setThoughtsTokenCount(int value) {
+
+      thoughtsTokenCount_ = value;
+      bitField0_ |= 0x00000010;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The number of tokens that were part of the model's generated
+     * "thoughts" output, if applicable.
+     * </pre>
+     *
+     * <code>int32 thoughts_token_count = 14 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearThoughtsTokenCount() {
+      bitField0_ = (bitField0_ & ~0x00000010);
+      thoughtsTokenCount_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private int cachedContentTokenCount_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The number of tokens in the cached content that was used for
+     * this request.
+     * </pre>
+     *
+     * <code>int32 cached_content_token_count = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The cachedContentTokenCount.
+     */
+    @java.lang.Override
+    public int getCachedContentTokenCount() {
+      return cachedContentTokenCount_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The number of tokens in the cached content that was used for
+     * this request.
+     * </pre>
+     *
+     * <code>int32 cached_content_token_count = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The cachedContentTokenCount to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCachedContentTokenCount(int value) {
+
+      cachedContentTokenCount_ = value;
+      bitField0_ |= 0x00000020;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The number of tokens in the cached content that was used for
+     * this request.
+     * </pre>
+     *
+     * <code>int32 cached_content_token_count = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearCachedContentTokenCount() {
+      bitField0_ = (bitField0_ & ~0x00000020);
+      cachedContentTokenCount_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount> promptTokensDetails_ =
+        java.util.Collections.emptyList();
+
+    private void ensurePromptTokensDetailsIsMutable() {
+      if (!((bitField0_ & 0x00000040) != 0)) {
+        promptTokensDetails_ =
+            new java.util.ArrayList<com.google.cloud.vertexai.api.ModalityTokenCount>(
+                promptTokensDetails_);
+        bitField0_ |= 0x00000040;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.ModalityTokenCount,
+            com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
+            com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+        promptTokensDetailsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount>
+        getPromptTokensDetailsList() {
+      if (promptTokensDetailsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(promptTokensDetails_);
+      } else {
+        return promptTokensDetailsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public int getPromptTokensDetailsCount() {
+      if (promptTokensDetailsBuilder_ == null) {
+        return promptTokensDetails_.size();
+      } else {
+        return promptTokensDetailsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount getPromptTokensDetails(int index) {
+      if (promptTokensDetailsBuilder_ == null) {
+        return promptTokensDetails_.get(index);
+      } else {
+        return promptTokensDetailsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setPromptTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount value) {
+      if (promptTokensDetailsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePromptTokensDetailsIsMutable();
+        promptTokensDetails_.set(index, value);
+        onChanged();
+      } else {
+        promptTokensDetailsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setPromptTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount.Builder builderForValue) {
+      if (promptTokensDetailsBuilder_ == null) {
+        ensurePromptTokensDetailsIsMutable();
+        promptTokensDetails_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        promptTokensDetailsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addPromptTokensDetails(com.google.cloud.vertexai.api.ModalityTokenCount value) {
+      if (promptTokensDetailsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePromptTokensDetailsIsMutable();
+        promptTokensDetails_.add(value);
+        onChanged();
+      } else {
+        promptTokensDetailsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addPromptTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount value) {
+      if (promptTokensDetailsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensurePromptTokensDetailsIsMutable();
+        promptTokensDetails_.add(index, value);
+        onChanged();
+      } else {
+        promptTokensDetailsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addPromptTokensDetails(
+        com.google.cloud.vertexai.api.ModalityTokenCount.Builder builderForValue) {
+      if (promptTokensDetailsBuilder_ == null) {
+        ensurePromptTokensDetailsIsMutable();
+        promptTokensDetails_.add(builderForValue.build());
+        onChanged();
+      } else {
+        promptTokensDetailsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addPromptTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount.Builder builderForValue) {
+      if (promptTokensDetailsBuilder_ == null) {
+        ensurePromptTokensDetailsIsMutable();
+        promptTokensDetails_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        promptTokensDetailsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addAllPromptTokensDetails(
+        java.lang.Iterable<? extends com.google.cloud.vertexai.api.ModalityTokenCount> values) {
+      if (promptTokensDetailsBuilder_ == null) {
+        ensurePromptTokensDetailsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, promptTokensDetails_);
+        onChanged();
+      } else {
+        promptTokensDetailsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearPromptTokensDetails() {
+      if (promptTokensDetailsBuilder_ == null) {
+        promptTokensDetails_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000040);
+        onChanged();
+      } else {
+        promptTokensDetailsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder removePromptTokensDetails(int index) {
+      if (promptTokensDetailsBuilder_ == null) {
+        ensurePromptTokensDetailsIsMutable();
+        promptTokensDetails_.remove(index);
+        onChanged();
+      } else {
+        promptTokensDetailsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount.Builder getPromptTokensDetailsBuilder(
+        int index) {
+      return internalGetPromptTokensDetailsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder
+        getPromptTokensDetailsOrBuilder(int index) {
+      if (promptTokensDetailsBuilder_ == null) {
+        return promptTokensDetails_.get(index);
+      } else {
+        return promptTokensDetailsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<? extends com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+        getPromptTokensDetailsOrBuilderList() {
+      if (promptTokensDetailsBuilder_ != null) {
+        return promptTokensDetailsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(promptTokensDetails_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount.Builder
+        addPromptTokensDetailsBuilder() {
+      return internalGetPromptTokensDetailsFieldBuilder()
+          .addBuilder(com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount.Builder addPromptTokensDetailsBuilder(
+        int index) {
+      return internalGetPromptTokensDetailsFieldBuilder()
+          .addBuilder(index, com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the prompt.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount.Builder>
+        getPromptTokensDetailsBuilderList() {
+      return internalGetPromptTokensDetailsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.ModalityTokenCount,
+            com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
+            com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+        internalGetPromptTokensDetailsFieldBuilder() {
+      if (promptTokensDetailsBuilder_ == null) {
+        promptTokensDetailsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.ModalityTokenCount,
+                com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
+                com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>(
+                promptTokensDetails_,
+                ((bitField0_ & 0x00000040) != 0),
+                getParentForChildren(),
+                isClean());
+        promptTokensDetails_ = null;
+      }
+      return promptTokensDetailsBuilder_;
+    }
+
+    private java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount> cacheTokensDetails_ =
+        java.util.Collections.emptyList();
+
+    private void ensureCacheTokensDetailsIsMutable() {
+      if (!((bitField0_ & 0x00000080) != 0)) {
+        cacheTokensDetails_ =
+            new java.util.ArrayList<com.google.cloud.vertexai.api.ModalityTokenCount>(
+                cacheTokensDetails_);
+        bitField0_ |= 0x00000080;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.ModalityTokenCount,
+            com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
+            com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+        cacheTokensDetailsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount>
+        getCacheTokensDetailsList() {
+      if (cacheTokensDetailsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(cacheTokensDetails_);
+      } else {
+        return cacheTokensDetailsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public int getCacheTokensDetailsCount() {
+      if (cacheTokensDetailsBuilder_ == null) {
+        return cacheTokensDetails_.size();
+      } else {
+        return cacheTokensDetailsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount getCacheTokensDetails(int index) {
+      if (cacheTokensDetailsBuilder_ == null) {
+        return cacheTokensDetails_.get(index);
+      } else {
+        return cacheTokensDetailsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCacheTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount value) {
+      if (cacheTokensDetailsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureCacheTokensDetailsIsMutable();
+        cacheTokensDetails_.set(index, value);
+        onChanged();
+      } else {
+        cacheTokensDetailsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCacheTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount.Builder builderForValue) {
+      if (cacheTokensDetailsBuilder_ == null) {
+        ensureCacheTokensDetailsIsMutable();
+        cacheTokensDetails_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        cacheTokensDetailsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addCacheTokensDetails(com.google.cloud.vertexai.api.ModalityTokenCount value) {
+      if (cacheTokensDetailsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureCacheTokensDetailsIsMutable();
+        cacheTokensDetails_.add(value);
+        onChanged();
+      } else {
+        cacheTokensDetailsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addCacheTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount value) {
+      if (cacheTokensDetailsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureCacheTokensDetailsIsMutable();
+        cacheTokensDetails_.add(index, value);
+        onChanged();
+      } else {
+        cacheTokensDetailsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addCacheTokensDetails(
+        com.google.cloud.vertexai.api.ModalityTokenCount.Builder builderForValue) {
+      if (cacheTokensDetailsBuilder_ == null) {
+        ensureCacheTokensDetailsIsMutable();
+        cacheTokensDetails_.add(builderForValue.build());
+        onChanged();
+      } else {
+        cacheTokensDetailsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addCacheTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount.Builder builderForValue) {
+      if (cacheTokensDetailsBuilder_ == null) {
+        ensureCacheTokensDetailsIsMutable();
+        cacheTokensDetails_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        cacheTokensDetailsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addAllCacheTokensDetails(
+        java.lang.Iterable<? extends com.google.cloud.vertexai.api.ModalityTokenCount> values) {
+      if (cacheTokensDetailsBuilder_ == null) {
+        ensureCacheTokensDetailsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, cacheTokensDetails_);
+        onChanged();
+      } else {
+        cacheTokensDetailsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearCacheTokensDetails() {
+      if (cacheTokensDetailsBuilder_ == null) {
+        cacheTokensDetails_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000080);
+        onChanged();
+      } else {
+        cacheTokensDetailsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder removeCacheTokensDetails(int index) {
+      if (cacheTokensDetailsBuilder_ == null) {
+        ensureCacheTokensDetailsIsMutable();
+        cacheTokensDetails_.remove(index);
+        onChanged();
+      } else {
+        cacheTokensDetailsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount.Builder getCacheTokensDetailsBuilder(
+        int index) {
+      return internalGetCacheTokensDetailsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder getCacheTokensDetailsOrBuilder(
+        int index) {
+      if (cacheTokensDetailsBuilder_ == null) {
+        return cacheTokensDetails_.get(index);
+      } else {
+        return cacheTokensDetailsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<? extends com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+        getCacheTokensDetailsOrBuilderList() {
+      if (cacheTokensDetailsBuilder_ != null) {
+        return cacheTokensDetailsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(cacheTokensDetails_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount.Builder addCacheTokensDetailsBuilder() {
+      return internalGetCacheTokensDetailsFieldBuilder()
+          .addBuilder(com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount.Builder addCacheTokensDetailsBuilder(
+        int index) {
+      return internalGetCacheTokensDetailsFieldBuilder()
+          .addBuilder(index, com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the cached content.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount.Builder>
+        getCacheTokensDetailsBuilderList() {
+      return internalGetCacheTokensDetailsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.ModalityTokenCount,
+            com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
+            com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+        internalGetCacheTokensDetailsFieldBuilder() {
+      if (cacheTokensDetailsBuilder_ == null) {
+        cacheTokensDetailsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.ModalityTokenCount,
+                com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
+                com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>(
+                cacheTokensDetails_,
+                ((bitField0_ & 0x00000080) != 0),
+                getParentForChildren(),
+                isClean());
+        cacheTokensDetails_ = null;
+      }
+      return cacheTokensDetailsBuilder_;
+    }
+
+    private java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount>
+        candidatesTokensDetails_ = java.util.Collections.emptyList();
+
+    private void ensureCandidatesTokensDetailsIsMutable() {
+      if (!((bitField0_ & 0x00000100) != 0)) {
+        candidatesTokensDetails_ =
+            new java.util.ArrayList<com.google.cloud.vertexai.api.ModalityTokenCount>(
+                candidatesTokensDetails_);
+        bitField0_ |= 0x00000100;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.ModalityTokenCount,
+            com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
+            com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+        candidatesTokensDetailsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount>
+        getCandidatesTokensDetailsList() {
+      if (candidatesTokensDetailsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(candidatesTokensDetails_);
+      } else {
+        return candidatesTokensDetailsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public int getCandidatesTokensDetailsCount() {
+      if (candidatesTokensDetailsBuilder_ == null) {
+        return candidatesTokensDetails_.size();
+      } else {
+        return candidatesTokensDetailsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount getCandidatesTokensDetails(int index) {
+      if (candidatesTokensDetailsBuilder_ == null) {
+        return candidatesTokensDetails_.get(index);
+      } else {
+        return candidatesTokensDetailsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCandidatesTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount value) {
+      if (candidatesTokensDetailsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureCandidatesTokensDetailsIsMutable();
+        candidatesTokensDetails_.set(index, value);
+        onChanged();
+      } else {
+        candidatesTokensDetailsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setCandidatesTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount.Builder builderForValue) {
+      if (candidatesTokensDetailsBuilder_ == null) {
+        ensureCandidatesTokensDetailsIsMutable();
+        candidatesTokensDetails_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        candidatesTokensDetailsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addCandidatesTokensDetails(
+        com.google.cloud.vertexai.api.ModalityTokenCount value) {
+      if (candidatesTokensDetailsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureCandidatesTokensDetailsIsMutable();
+        candidatesTokensDetails_.add(value);
+        onChanged();
+      } else {
+        candidatesTokensDetailsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addCandidatesTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount value) {
+      if (candidatesTokensDetailsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureCandidatesTokensDetailsIsMutable();
+        candidatesTokensDetails_.add(index, value);
+        onChanged();
+      } else {
+        candidatesTokensDetailsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addCandidatesTokensDetails(
+        com.google.cloud.vertexai.api.ModalityTokenCount.Builder builderForValue) {
+      if (candidatesTokensDetailsBuilder_ == null) {
+        ensureCandidatesTokensDetailsIsMutable();
+        candidatesTokensDetails_.add(builderForValue.build());
+        onChanged();
+      } else {
+        candidatesTokensDetailsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addCandidatesTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount.Builder builderForValue) {
+      if (candidatesTokensDetailsBuilder_ == null) {
+        ensureCandidatesTokensDetailsIsMutable();
+        candidatesTokensDetails_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        candidatesTokensDetailsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addAllCandidatesTokensDetails(
+        java.lang.Iterable<? extends com.google.cloud.vertexai.api.ModalityTokenCount> values) {
+      if (candidatesTokensDetailsBuilder_ == null) {
+        ensureCandidatesTokensDetailsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, candidatesTokensDetails_);
+        onChanged();
+      } else {
+        candidatesTokensDetailsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearCandidatesTokensDetails() {
+      if (candidatesTokensDetailsBuilder_ == null) {
+        candidatesTokensDetails_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000100);
+        onChanged();
+      } else {
+        candidatesTokensDetailsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder removeCandidatesTokensDetails(int index) {
+      if (candidatesTokensDetailsBuilder_ == null) {
+        ensureCandidatesTokensDetailsIsMutable();
+        candidatesTokensDetails_.remove(index);
+        onChanged();
+      } else {
+        candidatesTokensDetailsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount.Builder
+        getCandidatesTokensDetailsBuilder(int index) {
+      return internalGetCandidatesTokensDetailsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder
+        getCandidatesTokensDetailsOrBuilder(int index) {
+      if (candidatesTokensDetailsBuilder_ == null) {
+        return candidatesTokensDetails_.get(index);
+      } else {
+        return candidatesTokensDetailsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<? extends com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+        getCandidatesTokensDetailsOrBuilderList() {
+      if (candidatesTokensDetailsBuilder_ != null) {
+        return candidatesTokensDetailsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(candidatesTokensDetails_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount.Builder
+        addCandidatesTokensDetailsBuilder() {
+      return internalGetCandidatesTokensDetailsFieldBuilder()
+          .addBuilder(com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount.Builder
+        addCandidatesTokensDetailsBuilder(int index) {
+      return internalGetCandidatesTokensDetailsFieldBuilder()
+          .addBuilder(index, com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown of the token count for each modality in
+     * the generated candidates.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount.Builder>
+        getCandidatesTokensDetailsBuilderList() {
+      return internalGetCandidatesTokensDetailsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.ModalityTokenCount,
+            com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
+            com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+        internalGetCandidatesTokensDetailsFieldBuilder() {
+      if (candidatesTokensDetailsBuilder_ == null) {
+        candidatesTokensDetailsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.ModalityTokenCount,
+                com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
+                com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>(
+                candidatesTokensDetails_,
+                ((bitField0_ & 0x00000100) != 0),
+                getParentForChildren(),
+                isClean());
+        candidatesTokensDetails_ = null;
+      }
+      return candidatesTokensDetailsBuilder_;
+    }
+
+    private java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount>
+        toolUsePromptTokensDetails_ = java.util.Collections.emptyList();
+
+    private void ensureToolUsePromptTokensDetailsIsMutable() {
+      if (!((bitField0_ & 0x00000200) != 0)) {
+        toolUsePromptTokensDetails_ =
+            new java.util.ArrayList<com.google.cloud.vertexai.api.ModalityTokenCount>(
+                toolUsePromptTokensDetails_);
+        bitField0_ |= 0x00000200;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.ModalityTokenCount,
+            com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
+            com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+        toolUsePromptTokensDetailsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount>
+        getToolUsePromptTokensDetailsList() {
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(toolUsePromptTokensDetails_);
+      } else {
+        return toolUsePromptTokensDetailsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public int getToolUsePromptTokensDetailsCount() {
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        return toolUsePromptTokensDetails_.size();
+      } else {
+        return toolUsePromptTokensDetailsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount getToolUsePromptTokensDetails(
+        int index) {
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        return toolUsePromptTokensDetails_.get(index);
+      } else {
+        return toolUsePromptTokensDetailsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setToolUsePromptTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount value) {
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureToolUsePromptTokensDetailsIsMutable();
+        toolUsePromptTokensDetails_.set(index, value);
+        onChanged();
+      } else {
+        toolUsePromptTokensDetailsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder setToolUsePromptTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount.Builder builderForValue) {
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        ensureToolUsePromptTokensDetailsIsMutable();
+        toolUsePromptTokensDetails_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        toolUsePromptTokensDetailsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addToolUsePromptTokensDetails(
+        com.google.cloud.vertexai.api.ModalityTokenCount value) {
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureToolUsePromptTokensDetailsIsMutable();
+        toolUsePromptTokensDetails_.add(value);
+        onChanged();
+      } else {
+        toolUsePromptTokensDetailsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addToolUsePromptTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount value) {
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureToolUsePromptTokensDetailsIsMutable();
+        toolUsePromptTokensDetails_.add(index, value);
+        onChanged();
+      } else {
+        toolUsePromptTokensDetailsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addToolUsePromptTokensDetails(
+        com.google.cloud.vertexai.api.ModalityTokenCount.Builder builderForValue) {
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        ensureToolUsePromptTokensDetailsIsMutable();
+        toolUsePromptTokensDetails_.add(builderForValue.build());
+        onChanged();
+      } else {
+        toolUsePromptTokensDetailsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addToolUsePromptTokensDetails(
+        int index, com.google.cloud.vertexai.api.ModalityTokenCount.Builder builderForValue) {
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        ensureToolUsePromptTokensDetailsIsMutable();
+        toolUsePromptTokensDetails_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        toolUsePromptTokensDetailsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder addAllToolUsePromptTokensDetails(
+        java.lang.Iterable<? extends com.google.cloud.vertexai.api.ModalityTokenCount> values) {
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        ensureToolUsePromptTokensDetailsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, toolUsePromptTokensDetails_);
+        onChanged();
+      } else {
+        toolUsePromptTokensDetailsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder clearToolUsePromptTokensDetails() {
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        toolUsePromptTokensDetails_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000200);
+        onChanged();
+      } else {
+        toolUsePromptTokensDetailsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public Builder removeToolUsePromptTokensDetails(int index) {
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        ensureToolUsePromptTokensDetailsIsMutable();
+        toolUsePromptTokensDetails_.remove(index);
+        onChanged();
+      } else {
+        toolUsePromptTokensDetailsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount.Builder
+        getToolUsePromptTokensDetailsBuilder(int index) {
+      return internalGetToolUsePromptTokensDetailsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder
+        getToolUsePromptTokensDetailsOrBuilder(int index) {
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        return toolUsePromptTokensDetails_.get(index);
+      } else {
+        return toolUsePromptTokensDetailsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<? extends com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+        getToolUsePromptTokensDetailsOrBuilderList() {
+      if (toolUsePromptTokensDetailsBuilder_ != null) {
+        return toolUsePromptTokensDetailsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(toolUsePromptTokensDetails_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount.Builder
+        addToolUsePromptTokensDetailsBuilder() {
+      return internalGetToolUsePromptTokensDetailsFieldBuilder()
+          .addBuilder(com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ModalityTokenCount.Builder
+        addToolUsePromptTokensDetailsBuilder(int index) {
+      return internalGetToolUsePromptTokensDetailsFieldBuilder()
+          .addBuilder(index, com.google.cloud.vertexai.api.ModalityTokenCount.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. A detailed breakdown by modality of the token counts from the
+     * results of tool executions, which are provided back to the model as input.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount.Builder>
+        getToolUsePromptTokensDetailsBuilderList() {
+      return internalGetToolUsePromptTokensDetailsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.ModalityTokenCount,
+            com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
+            com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+        internalGetToolUsePromptTokensDetailsFieldBuilder() {
+      if (toolUsePromptTokensDetailsBuilder_ == null) {
+        toolUsePromptTokensDetailsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.ModalityTokenCount,
+                com.google.cloud.vertexai.api.ModalityTokenCount.Builder,
+                com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>(
+                toolUsePromptTokensDetails_,
+                ((bitField0_ & 0x00000200) != 0),
+                getParentForChildren(),
+                isClean());
+        toolUsePromptTokensDetails_ = null;
+      }
+      return toolUsePromptTokensDetailsBuilder_;
+    }
+
+    private int trafficType_ = 0;
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The traffic type for this request.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.UsageMetadata.TrafficType traffic_type = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for trafficType.
+     */
+    @java.lang.Override
+    public int getTrafficTypeValue() {
+      return trafficType_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The traffic type for this request.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.UsageMetadata.TrafficType traffic_type = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for trafficType to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTrafficTypeValue(int value) {
+      trafficType_ = value;
+      bitField0_ |= 0x00000400;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The traffic type for this request.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.UsageMetadata.TrafficType traffic_type = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The trafficType.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.UsageMetadata.TrafficType getTrafficType() {
+      com.google.cloud.vertexai.api.UsageMetadata.TrafficType result =
+          com.google.cloud.vertexai.api.UsageMetadata.TrafficType.forNumber(trafficType_);
+      return result == null
+          ? com.google.cloud.vertexai.api.UsageMetadata.TrafficType.UNRECOGNIZED
+          : result;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The traffic type for this request.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.UsageMetadata.TrafficType traffic_type = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The trafficType to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTrafficType(com.google.cloud.vertexai.api.UsageMetadata.TrafficType value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      bitField0_ |= 0x00000400;
+      trafficType_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The traffic type for this request.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.UsageMetadata.TrafficType traffic_type = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearTrafficType() {
+      bitField0_ = (bitField0_ & ~0x00000400);
+      trafficType_ = 0;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.UsageMetadata)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.UsageMetadata)
+  private static final com.google.cloud.vertexai.api.UsageMetadata DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.UsageMetadata();
+  }
+
+  public static com.google.cloud.vertexai.api.UsageMetadata getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<UsageMetadata> PARSER =
+      new com.google.protobuf.AbstractParser<UsageMetadata>() {
+        @java.lang.Override
+        public UsageMetadata parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<UsageMetadata> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<UsageMetadata> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.UsageMetadata getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UsageMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UsageMetadataOrBuilder.java
new file mode 100644
index 000000000000..5b3dc10bdae7
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UsageMetadataOrBuilder.java
@@ -0,0 +1,433 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/usage_metadata.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface UsageMetadataOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.UsageMetadata)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The total number of tokens in the prompt. This includes any text, images,
+   * or other media provided in the request. When `cached_content` is set,
+   * this also includes the number of tokens in the cached content.
+   * </pre>
+   *
+   * <code>int32 prompt_token_count = 1;</code>
+   *
+   * @return The promptTokenCount.
+   */
+  int getPromptTokenCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * The total number of tokens in the generated candidates.
+   * </pre>
+   *
+   * <code>int32 candidates_token_count = 2;</code>
+   *
+   * @return The candidatesTokenCount.
+   */
+  int getCandidatesTokenCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * The total number of tokens for the entire request. This is the sum of
+   * `prompt_token_count`, `candidates_token_count`,
+   * `tool_use_prompt_token_count`, and `thoughts_token_count`.
+   * </pre>
+   *
+   * <code>int32 total_token_count = 3;</code>
+   *
+   * @return The totalTokenCount.
+   */
+  int getTotalTokenCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The number of tokens in the results from tool executions,
+   * which are provided back to the model as input, if applicable.
+   * </pre>
+   *
+   * <code>int32 tool_use_prompt_token_count = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The toolUsePromptTokenCount.
+   */
+  int getToolUsePromptTokenCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The number of tokens that were part of the model's generated
+   * "thoughts" output, if applicable.
+   * </pre>
+   *
+   * <code>int32 thoughts_token_count = 14 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The thoughtsTokenCount.
+   */
+  int getThoughtsTokenCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The number of tokens in the cached content that was used for
+   * this request.
+   * </pre>
+   *
+   * <code>int32 cached_content_token_count = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
+   *
+   * @return The cachedContentTokenCount.
+   */
+  int getCachedContentTokenCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the prompt.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount> getPromptTokensDetailsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the prompt.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.ModalityTokenCount getPromptTokensDetails(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the prompt.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  int getPromptTokensDetailsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the prompt.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+      getPromptTokensDetailsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the prompt.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount prompt_tokens_details = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder getPromptTokensDetailsOrBuilder(
+      int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the cached content.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount> getCacheTokensDetailsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the cached content.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.ModalityTokenCount getCacheTokensDetails(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the cached content.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  int getCacheTokensDetailsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the cached content.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+      getCacheTokensDetailsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the cached content.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount cache_tokens_details = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder getCacheTokensDetailsOrBuilder(
+      int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the generated candidates.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount> getCandidatesTokensDetailsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the generated candidates.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.ModalityTokenCount getCandidatesTokensDetails(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the generated candidates.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  int getCandidatesTokensDetailsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the generated candidates.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+      getCandidatesTokensDetailsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown of the token count for each modality in
+   * the generated candidates.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount candidates_tokens_details = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder getCandidatesTokensDetailsOrBuilder(
+      int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown by modality of the token counts from the
+   * results of tool executions, which are provided back to the model as input.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  java.util.List<com.google.cloud.vertexai.api.ModalityTokenCount>
+      getToolUsePromptTokensDetailsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown by modality of the token counts from the
+   * results of tool executions, which are provided back to the model as input.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.ModalityTokenCount getToolUsePromptTokensDetails(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown by modality of the token counts from the
+   * results of tool executions, which are provided back to the model as input.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  int getToolUsePromptTokensDetailsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown by modality of the token counts from the
+   * results of tool executions, which are provided back to the model as input.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder>
+      getToolUsePromptTokensDetailsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. A detailed breakdown by modality of the token counts from the
+   * results of tool executions, which are provided back to the model as input.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.vertexai.v1.ModalityTokenCount tool_use_prompt_tokens_details = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.ModalityTokenCountOrBuilder getToolUsePromptTokensDetailsOrBuilder(
+      int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The traffic type for this request.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UsageMetadata.TrafficType traffic_type = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for trafficType.
+   */
+  int getTrafficTypeValue();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The traffic type for this request.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.UsageMetadata.TrafficType traffic_type = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The trafficType.
+   */
+  com.google.cloud.vertexai.api.UsageMetadata.TrafficType getTrafficType();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UsageMetadataProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UsageMetadataProto.java
new file mode 100644
index 000000000000..7958b89d3df4
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/UsageMetadataProto.java
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/usage_metadata.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public final class UsageMetadataProto extends com.google.protobuf.GeneratedFile {
+  private UsageMetadataProto() {}
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "UsageMetadataProto");
+  }
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions((com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_UsageMetadata_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_UsageMetadata_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
+    return descriptor;
+  }
+
+  private static com.google.protobuf.Descriptors.FileDescriptor descriptor;
+
+  static {
+    java.lang.String[] descriptorData = {
+      "\n-google/cloud/vertexai/v1/usage_metadat"
+          + "a.proto\022\030google.cloud.vertexai.v1\032\037googl"
+          + "e/api/field_behavior.proto\032&google/cloud"
+          + "/vertexai/v1/content.proto\"\330\005\n\rUsageMeta"
+          + "data\022\032\n\022prompt_token_count\030\001 \001(\005\022\036\n\026cand"
+          + "idates_token_count\030\002 \001(\005\022\031\n\021total_token_"
+          + "count\030\003 \001(\005\022(\n\033tool_use_prompt_token_cou"
+          + "nt\030\r \001(\005B\003\340A\003\022!\n\024thoughts_token_count\030\016 "
+          + "\001(\005B\003\340A\003\022\'\n\032cached_content_token_count\030\005"
+          + " \001(\005B\003\340A\003\022P\n\025prompt_tokens_details\030\t \003(\013"
+          + "2,.google.cloud.vertexai.v1.ModalityToke"
+          + "nCountB\003\340A\003\022O\n\024cache_tokens_details\030\n \003("
+          + "\0132,.google.cloud.vertexai.v1.ModalityTok"
+          + "enCountB\003\340A\003\022T\n\031candidates_tokens_detail"
+          + "s\030\013 \003(\0132,.google.cloud.vertexai.v1.Modal"
+          + "ityTokenCountB\003\340A\003\022Y\n\036tool_use_prompt_to"
+          + "kens_details\030\014 \003(\0132,.google.cloud.vertex"
+          + "ai.v1.ModalityTokenCountB\003\340A\003\022N\n\014traffic"
+          + "_type\030\010 \001(\01623.google.cloud.vertexai.v1.U"
+          + "sageMetadata.TrafficTypeB\003\340A\003\"V\n\013Traffic"
+          + "Type\022\034\n\030TRAFFIC_TYPE_UNSPECIFIED\020\000\022\r\n\tON"
+          + "_DEMAND\020\001\022\032\n\026PROVISIONED_THROUGHPUT\020\002B\317\001"
+          + "\n\035com.google.cloud.vertexai.apiB\022UsageMe"
+          + "tadataProtoP\001Z>cloud.google.com/go/aipla"
+          + "tform/apiv1/aiplatformpb;aiplatformpb\252\002\032"
+          + "Google.Cloud.AIPlatform.V1\312\002\032Google\\Clou"
+          + "d\\AIPlatform\\V1\352\002\035Google::Cloud::AIPlatf"
+          + "orm::V1b\006proto3"
+    };
+    descriptor =
+        com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
+            descriptorData,
+            new com.google.protobuf.Descriptors.FileDescriptor[] {
+              com.google.api.FieldBehaviorProto.getDescriptor(),
+              com.google.cloud.vertexai.api.ContentProto.getDescriptor(),
+            });
+    internal_static_google_cloud_vertexai_v1_UsageMetadata_descriptor =
+        getDescriptor().getMessageType(0);
+    internal_static_google_cloud_vertexai_v1_UsageMetadata_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_UsageMetadata_descriptor,
+            new java.lang.String[] {
+              "PromptTokenCount",
+              "CandidatesTokenCount",
+              "TotalTokenCount",
+              "ToolUsePromptTokenCount",
+              "ThoughtsTokenCount",
+              "CachedContentTokenCount",
+              "PromptTokensDetails",
+              "CacheTokensDetails",
+              "CandidatesTokensDetails",
+              "ToolUsePromptTokensDetails",
+              "TrafficType",
+            });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.cloud.vertexai.api.ContentProto.getDescriptor();
+    com.google.protobuf.ExtensionRegistry registry =
+        com.google.protobuf.ExtensionRegistry.newInstance();
+    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
+    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
+        descriptor, registry);
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexAISearch.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexAISearch.java
index 0bcd52251688..6cd43ed53e00 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexAISearch.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexAISearch.java
@@ -14,40 +14,50 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
  *
  *
  * <pre>
- * Retrieve from Vertex AI Search datastore for grounding.
+ * Retrieve from Vertex AI Search datastore or engine for grounding.
+ * datastore and engine are mutually exclusive.
  * See https://cloud.google.com/products/agent-builder
  * </pre>
  *
  * Protobuf type {@code google.cloud.vertexai.v1.VertexAISearch}
  */
-public final class VertexAISearch extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class VertexAISearch extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.VertexAISearch)
     VertexAISearchOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "VertexAISearch");
+  }
+
   // Use VertexAISearch.newBuilder() to construct.
-  private VertexAISearch(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private VertexAISearch(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private VertexAISearch() {
     datastore_ = "";
-  }
-
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new VertexAISearch();
+    engine_ = "";
+    filter_ = "";
+    dataStoreSpecs_ = java.util.Collections.emptyList();
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
@@ -56,7 +66,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_VertexAISearch_fieldAccessorTable
@@ -65,6 +75,873 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
             com.google.cloud.vertexai.api.VertexAISearch.Builder.class);
   }
 
+  public interface DataStoreSpecOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * <pre>
+     * Full resource name of DataStore, such as
+     * Format:
+     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+     * </pre>
+     *
+     * <code>string data_store = 1;</code>
+     *
+     * @return The dataStore.
+     */
+    java.lang.String getDataStore();
+
+    /**
+     *
+     *
+     * <pre>
+     * Full resource name of DataStore, such as
+     * Format:
+     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+     * </pre>
+     *
+     * <code>string data_store = 1;</code>
+     *
+     * @return The bytes for dataStore.
+     */
+    com.google.protobuf.ByteString getDataStoreBytes();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filter specification to filter documents in the data store
+     * specified by data_store field. For more information on filtering, see
+     * [Filtering](https://cloud.google.com/generative-ai-app-builder/docs/filter-search-metadata)
+     * </pre>
+     *
+     * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The filter.
+     */
+    java.lang.String getFilter();
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filter specification to filter documents in the data store
+     * specified by data_store field. For more information on filtering, see
+     * [Filtering](https://cloud.google.com/generative-ai-app-builder/docs/filter-search-metadata)
+     * </pre>
+     *
+     * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for filter.
+     */
+    com.google.protobuf.ByteString getFilterBytes();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Define data stores within engine to filter on in a search call and
+   * configurations for those data stores. For more information, see
+   * https://cloud.google.com/generative-ai-app-builder/docs/reference/rpc/google.cloud.discoveryengine.v1#datastorespec
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec}
+   */
+  public static final class DataStoreSpec extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec)
+      DataStoreSpecOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "DataStoreSpec");
+    }
+
+    // Use DataStoreSpec.newBuilder() to construct.
+    private DataStoreSpec(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+    }
+
+    private DataStoreSpec() {
+      dataStore_ = "";
+      filter_ = "";
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_VertexAISearch_DataStoreSpec_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ToolProto
+          .internal_static_google_cloud_vertexai_v1_VertexAISearch_DataStoreSpec_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.class,
+              com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.Builder.class);
+    }
+
+    public static final int DATA_STORE_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object dataStore_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Full resource name of DataStore, such as
+     * Format:
+     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+     * </pre>
+     *
+     * <code>string data_store = 1;</code>
+     *
+     * @return The dataStore.
+     */
+    @java.lang.Override
+    public java.lang.String getDataStore() {
+      java.lang.Object ref = dataStore_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        dataStore_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Full resource name of DataStore, such as
+     * Format:
+     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+     * </pre>
+     *
+     * <code>string data_store = 1;</code>
+     *
+     * @return The bytes for dataStore.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getDataStoreBytes() {
+      java.lang.Object ref = dataStore_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        dataStore_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int FILTER_FIELD_NUMBER = 2;
+
+    @SuppressWarnings("serial")
+    private volatile java.lang.Object filter_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filter specification to filter documents in the data store
+     * specified by data_store field. For more information on filtering, see
+     * [Filtering](https://cloud.google.com/generative-ai-app-builder/docs/filter-search-metadata)
+     * </pre>
+     *
+     * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The filter.
+     */
+    @java.lang.Override
+    public java.lang.String getFilter() {
+      java.lang.Object ref = filter_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        filter_ = s;
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Filter specification to filter documents in the data store
+     * specified by data_store field. For more information on filtering, see
+     * [Filtering](https://cloud.google.com/generative-ai-app-builder/docs/filter-search-metadata)
+     * </pre>
+     *
+     * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for filter.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getFilterBytes() {
+      java.lang.Object ref = filter_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        filter_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(dataStore_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, dataStore_);
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(filter_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 2, filter_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(dataStore_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, dataStore_);
+      }
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(filter_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(2, filter_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec other =
+          (com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec) obj;
+
+      if (!getDataStore().equals(other.getDataStore())) return false;
+      if (!getFilter().equals(other.getFilter())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + DATA_STORE_FIELD_NUMBER;
+      hash = (53 * hash) + getDataStore().hashCode();
+      hash = (37 * hash) + FILTER_FIELD_NUMBER;
+      hash = (53 * hash) + getFilter().hashCode();
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec parseDelimitedFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Define data stores within engine to filter on in a search call and
+     * configurations for those data stores. For more information, see
+     * https://cloud.google.com/generative-ai-app-builder/docs/reference/rpc/google.cloud.discoveryengine.v1#datastorespec
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec)
+        com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpecOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.vertexai.api.ToolProto
+            .internal_static_google_cloud_vertexai_v1_VertexAISearch_DataStoreSpec_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.vertexai.api.ToolProto
+            .internal_static_google_cloud_vertexai_v1_VertexAISearch_DataStoreSpec_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.class,
+                com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.Builder.class);
+      }
+
+      // Construct using com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        dataStore_ = "";
+        filter_ = "";
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.vertexai.api.ToolProto
+            .internal_static_google_cloud_vertexai_v1_VertexAISearch_DataStoreSpec_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec
+          getDefaultInstanceForType() {
+        return com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec build() {
+        com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec buildPartial() {
+        com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec result =
+            new com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.dataStore_ = dataStore_;
+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.filter_ = filter_;
+        }
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec) {
+          return mergeFrom((com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec other) {
+        if (other
+            == com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.getDefaultInstance())
+          return this;
+        if (!other.getDataStore().isEmpty()) {
+          dataStore_ = other.dataStore_;
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        if (!other.getFilter().isEmpty()) {
+          filter_ = other.filter_;
+          bitField0_ |= 0x00000002;
+          onChanged();
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  dataStore_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 10
+              case 18:
+                {
+                  filter_ = input.readStringRequireUtf8();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 18
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.lang.Object dataStore_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Full resource name of DataStore, such as
+       * Format:
+       * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+       * </pre>
+       *
+       * <code>string data_store = 1;</code>
+       *
+       * @return The dataStore.
+       */
+      public java.lang.String getDataStore() {
+        java.lang.Object ref = dataStore_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          dataStore_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Full resource name of DataStore, such as
+       * Format:
+       * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+       * </pre>
+       *
+       * <code>string data_store = 1;</code>
+       *
+       * @return The bytes for dataStore.
+       */
+      public com.google.protobuf.ByteString getDataStoreBytes() {
+        java.lang.Object ref = dataStore_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          dataStore_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Full resource name of DataStore, such as
+       * Format:
+       * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+       * </pre>
+       *
+       * <code>string data_store = 1;</code>
+       *
+       * @param value The dataStore to set.
+       * @return This builder for chaining.
+       */
+      public Builder setDataStore(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        dataStore_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Full resource name of DataStore, such as
+       * Format:
+       * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+       * </pre>
+       *
+       * <code>string data_store = 1;</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearDataStore() {
+        dataStore_ = getDefaultInstance().getDataStore();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Full resource name of DataStore, such as
+       * Format:
+       * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+       * </pre>
+       *
+       * <code>string data_store = 1;</code>
+       *
+       * @param value The bytes for dataStore to set.
+       * @return This builder for chaining.
+       */
+      public Builder setDataStoreBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        dataStore_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object filter_ = "";
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Filter specification to filter documents in the data store
+       * specified by data_store field. For more information on filtering, see
+       * [Filtering](https://cloud.google.com/generative-ai-app-builder/docs/filter-search-metadata)
+       * </pre>
+       *
+       * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The filter.
+       */
+      public java.lang.String getFilter() {
+        java.lang.Object ref = filter_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          filter_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Filter specification to filter documents in the data store
+       * specified by data_store field. For more information on filtering, see
+       * [Filtering](https://cloud.google.com/generative-ai-app-builder/docs/filter-search-metadata)
+       * </pre>
+       *
+       * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return The bytes for filter.
+       */
+      public com.google.protobuf.ByteString getFilterBytes() {
+        java.lang.Object ref = filter_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          filter_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Filter specification to filter documents in the data store
+       * specified by data_store field. For more information on filtering, see
+       * [Filtering](https://cloud.google.com/generative-ai-app-builder/docs/filter-search-metadata)
+       * </pre>
+       *
+       * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The filter to set.
+       * @return This builder for chaining.
+       */
+      public Builder setFilter(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        filter_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Filter specification to filter documents in the data store
+       * specified by data_store field. For more information on filtering, see
+       * [Filtering](https://cloud.google.com/generative-ai-app-builder/docs/filter-search-metadata)
+       * </pre>
+       *
+       * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearFilter() {
+        filter_ = getDefaultInstance().getFilter();
+        bitField0_ = (bitField0_ & ~0x00000002);
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * <pre>
+       * Optional. Filter specification to filter documents in the data store
+       * specified by data_store field. For more information on filtering, see
+       * [Filtering](https://cloud.google.com/generative-ai-app-builder/docs/filter-search-metadata)
+       * </pre>
+       *
+       * <code>string filter = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+       *
+       * @param value The bytes for filter to set.
+       * @return This builder for chaining.
+       */
+      public Builder setFilterBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        filter_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec)
+    private static final com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec();
+    }
+
+    public static com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<DataStoreSpec> PARSER =
+        new com.google.protobuf.AbstractParser<DataStoreSpec>() {
+          @java.lang.Override
+          public DataStoreSpec parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser<DataStoreSpec> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<DataStoreSpec> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
   public static final int DATASTORE_FIELD_NUMBER = 1;
 
   @SuppressWarnings("serial")
@@ -74,12 +951,12 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Required. Fully-qualified Vertex AI Search data store resource ID.
+   * Optional. Fully-qualified Vertex AI Search data store resource ID.
    * Format:
    * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
    * </pre>
    *
-   * <code>string datastore = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   * <code>string datastore = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
    *
    * @return The datastore.
    */
@@ -100,12 +977,12 @@ public java.lang.String getDatastore() {
    *
    *
    * <pre>
-   * Required. Fully-qualified Vertex AI Search data store resource ID.
+   * Optional. Fully-qualified Vertex AI Search data store resource ID.
    * Format:
    * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
    * </pre>
    *
-   * <code>string datastore = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   * <code>string datastore = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
    *
    * @return The bytes for datastore.
    */
@@ -122,6 +999,237 @@ public com.google.protobuf.ByteString getDatastoreBytes() {
     }
   }
 
+  public static final int ENGINE_FIELD_NUMBER = 2;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object engine_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Fully-qualified Vertex AI Search engine resource ID.
+   * Format:
+   * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}`
+   * </pre>
+   *
+   * <code>string engine = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The engine.
+   */
+  @java.lang.Override
+  public java.lang.String getEngine() {
+    java.lang.Object ref = engine_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      engine_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Fully-qualified Vertex AI Search engine resource ID.
+   * Format:
+   * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}`
+   * </pre>
+   *
+   * <code>string engine = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for engine.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getEngineBytes() {
+    java.lang.Object ref = engine_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      engine_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int MAX_RESULTS_FIELD_NUMBER = 3;
+  private int maxResults_ = 0;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Number of search results to return per query.
+   * The default value is 10.
+   * The maximumm allowed value is 10.
+   * </pre>
+   *
+   * <code>int32 max_results = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The maxResults.
+   */
+  @java.lang.Override
+  public int getMaxResults() {
+    return maxResults_;
+  }
+
+  public static final int FILTER_FIELD_NUMBER = 4;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object filter_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filter strings to be passed to the search API.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The filter.
+   */
+  @java.lang.Override
+  public java.lang.String getFilter() {
+    java.lang.Object ref = filter_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      filter_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filter strings to be passed to the search API.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for filter.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getFilterBytes() {
+    java.lang.Object ref = filter_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      filter_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int DATA_STORE_SPECS_FIELD_NUMBER = 5;
+
+  @SuppressWarnings("serial")
+  private java.util.List<com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec>
+      dataStoreSpecs_;
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifications that define the specific DataStores to be searched, along
+   * with configurations for those data stores. This is only considered for
+   * Engines with multiple data stores.
+   * It should only be set if engine is used.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec>
+      getDataStoreSpecsList() {
+    return dataStoreSpecs_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifications that define the specific DataStores to be searched, along
+   * with configurations for those data stores. This is only considered for
+   * Engines with multiple data stores.
+   * It should only be set if engine is used.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+   * </code>
+   */
+  @java.lang.Override
+  public java.util.List<
+          ? extends com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpecOrBuilder>
+      getDataStoreSpecsOrBuilderList() {
+    return dataStoreSpecs_;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifications that define the specific DataStores to be searched, along
+   * with configurations for those data stores. This is only considered for
+   * Engines with multiple data stores.
+   * It should only be set if engine is used.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+   * </code>
+   */
+  @java.lang.Override
+  public int getDataStoreSpecsCount() {
+    return dataStoreSpecs_.size();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifications that define the specific DataStores to be searched, along
+   * with configurations for those data stores. This is only considered for
+   * Engines with multiple data stores.
+   * It should only be set if engine is used.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec getDataStoreSpecs(int index) {
+    return dataStoreSpecs_.get(index);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifications that define the specific DataStores to be searched, along
+   * with configurations for those data stores. This is only considered for
+   * Engines with multiple data stores.
+   * It should only be set if engine is used.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpecOrBuilder
+      getDataStoreSpecsOrBuilder(int index) {
+    return dataStoreSpecs_.get(index);
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -136,8 +1244,20 @@ public final boolean isInitialized() {
 
   @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(datastore_)) {
-      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, datastore_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(datastore_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 1, datastore_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(engine_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 2, engine_);
+    }
+    if (maxResults_ != 0) {
+      output.writeInt32(3, maxResults_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(filter_)) {
+      com.google.protobuf.GeneratedMessage.writeString(output, 4, filter_);
+    }
+    for (int i = 0; i < dataStoreSpecs_.size(); i++) {
+      output.writeMessage(5, dataStoreSpecs_.get(i));
     }
     getUnknownFields().writeTo(output);
   }
@@ -148,8 +1268,20 @@ public int getSerializedSize() {
     if (size != -1) return size;
 
     size = 0;
-    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(datastore_)) {
-      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, datastore_);
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(datastore_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(1, datastore_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(engine_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(2, engine_);
+    }
+    if (maxResults_ != 0) {
+      size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, maxResults_);
+    }
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(filter_)) {
+      size += com.google.protobuf.GeneratedMessage.computeStringSize(4, filter_);
+    }
+    for (int i = 0; i < dataStoreSpecs_.size(); i++) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(5, dataStoreSpecs_.get(i));
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -168,6 +1300,10 @@ public boolean equals(final java.lang.Object obj) {
         (com.google.cloud.vertexai.api.VertexAISearch) obj;
 
     if (!getDatastore().equals(other.getDatastore())) return false;
+    if (!getEngine().equals(other.getEngine())) return false;
+    if (getMaxResults() != other.getMaxResults()) return false;
+    if (!getFilter().equals(other.getFilter())) return false;
+    if (!getDataStoreSpecsList().equals(other.getDataStoreSpecsList())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -181,6 +1317,16 @@ public int hashCode() {
     hash = (19 * hash) + getDescriptor().hashCode();
     hash = (37 * hash) + DATASTORE_FIELD_NUMBER;
     hash = (53 * hash) + getDatastore().hashCode();
+    hash = (37 * hash) + ENGINE_FIELD_NUMBER;
+    hash = (53 * hash) + getEngine().hashCode();
+    hash = (37 * hash) + MAX_RESULTS_FIELD_NUMBER;
+    hash = (53 * hash) + getMaxResults();
+    hash = (37 * hash) + FILTER_FIELD_NUMBER;
+    hash = (53 * hash) + getFilter().hashCode();
+    if (getDataStoreSpecsCount() > 0) {
+      hash = (37 * hash) + DATA_STORE_SPECS_FIELD_NUMBER;
+      hash = (53 * hash) + getDataStoreSpecsList().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -223,38 +1369,38 @@ public static com.google.cloud.vertexai.api.VertexAISearch parseFrom(
 
   public static com.google.cloud.vertexai.api.VertexAISearch parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.VertexAISearch parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.VertexAISearch parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.VertexAISearch parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.VertexAISearch parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.VertexAISearch parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -277,7 +1423,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -286,13 +1432,14 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    *
    * <pre>
-   * Retrieve from Vertex AI Search datastore for grounding.
+   * Retrieve from Vertex AI Search datastore or engine for grounding.
+   * datastore and engine are mutually exclusive.
    * See https://cloud.google.com/products/agent-builder
    * </pre>
    *
    * Protobuf type {@code google.cloud.vertexai.v1.VertexAISearch}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.VertexAISearch)
       com.google.cloud.vertexai.api.VertexAISearchOrBuilder {
@@ -302,7 +1449,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_VertexAISearch_fieldAccessorTable
@@ -314,7 +1461,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     // Construct using com.google.cloud.vertexai.api.VertexAISearch.newBuilder()
     private Builder() {}
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
     }
 
@@ -323,6 +1470,16 @@ public Builder clear() {
       super.clear();
       bitField0_ = 0;
       datastore_ = "";
+      engine_ = "";
+      maxResults_ = 0;
+      filter_ = "";
+      if (dataStoreSpecsBuilder_ == null) {
+        dataStoreSpecs_ = java.util.Collections.emptyList();
+      } else {
+        dataStoreSpecs_ = null;
+        dataStoreSpecsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000010);
       return this;
     }
 
@@ -350,6 +1507,7 @@ public com.google.cloud.vertexai.api.VertexAISearch build() {
     public com.google.cloud.vertexai.api.VertexAISearch buildPartial() {
       com.google.cloud.vertexai.api.VertexAISearch result =
           new com.google.cloud.vertexai.api.VertexAISearch(this);
+      buildPartialRepeatedFields(result);
       if (bitField0_ != 0) {
         buildPartial0(result);
       }
@@ -357,44 +1515,32 @@ public com.google.cloud.vertexai.api.VertexAISearch buildPartial() {
       return result;
     }
 
-    private void buildPartial0(com.google.cloud.vertexai.api.VertexAISearch result) {
-      int from_bitField0_ = bitField0_;
-      if (((from_bitField0_ & 0x00000001) != 0)) {
-        result.datastore_ = datastore_;
+    private void buildPartialRepeatedFields(com.google.cloud.vertexai.api.VertexAISearch result) {
+      if (dataStoreSpecsBuilder_ == null) {
+        if (((bitField0_ & 0x00000010) != 0)) {
+          dataStoreSpecs_ = java.util.Collections.unmodifiableList(dataStoreSpecs_);
+          bitField0_ = (bitField0_ & ~0x00000010);
+        }
+        result.dataStoreSpecs_ = dataStoreSpecs_;
+      } else {
+        result.dataStoreSpecs_ = dataStoreSpecsBuilder_.build();
       }
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
+    private void buildPartial0(com.google.cloud.vertexai.api.VertexAISearch result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.datastore_ = datastore_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.engine_ = engine_;
+      }
+      if (((from_bitField0_ & 0x00000004) != 0)) {
+        result.maxResults_ = maxResults_;
+      }
+      if (((from_bitField0_ & 0x00000008) != 0)) {
+        result.filter_ = filter_;
+      }
     }
 
     @java.lang.Override
@@ -414,6 +1560,46 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.VertexAISearch other) {
         bitField0_ |= 0x00000001;
         onChanged();
       }
+      if (!other.getEngine().isEmpty()) {
+        engine_ = other.engine_;
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      if (other.getMaxResults() != 0) {
+        setMaxResults(other.getMaxResults());
+      }
+      if (!other.getFilter().isEmpty()) {
+        filter_ = other.filter_;
+        bitField0_ |= 0x00000008;
+        onChanged();
+      }
+      if (dataStoreSpecsBuilder_ == null) {
+        if (!other.dataStoreSpecs_.isEmpty()) {
+          if (dataStoreSpecs_.isEmpty()) {
+            dataStoreSpecs_ = other.dataStoreSpecs_;
+            bitField0_ = (bitField0_ & ~0x00000010);
+          } else {
+            ensureDataStoreSpecsIsMutable();
+            dataStoreSpecs_.addAll(other.dataStoreSpecs_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.dataStoreSpecs_.isEmpty()) {
+          if (dataStoreSpecsBuilder_.isEmpty()) {
+            dataStoreSpecsBuilder_.dispose();
+            dataStoreSpecsBuilder_ = null;
+            dataStoreSpecs_ = other.dataStoreSpecs_;
+            bitField0_ = (bitField0_ & ~0x00000010);
+            dataStoreSpecsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetDataStoreSpecsFieldBuilder()
+                    : null;
+          } else {
+            dataStoreSpecsBuilder_.addAllMessages(other.dataStoreSpecs_);
+          }
+        }
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -446,6 +1632,38 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
+            case 18:
+              {
+                engine_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+            case 24:
+              {
+                maxResults_ = input.readInt32();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 24
+            case 34:
+              {
+                filter_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 34
+            case 42:
+              {
+                com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec m =
+                    input.readMessage(
+                        com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.parser(),
+                        extensionRegistry);
+                if (dataStoreSpecsBuilder_ == null) {
+                  ensureDataStoreSpecsIsMutable();
+                  dataStoreSpecs_.add(m);
+                } else {
+                  dataStoreSpecsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 42
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -463,29 +1681,331 @@ public Builder mergeFrom(
       return this;
     }
 
-    private int bitField0_;
-
-    private java.lang.Object datastore_ = "";
+    private int bitField0_;
+
+    private java.lang.Object datastore_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Fully-qualified Vertex AI Search data store resource ID.
+     * Format:
+     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+     * </pre>
+     *
+     * <code>string datastore = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The datastore.
+     */
+    public java.lang.String getDatastore() {
+      java.lang.Object ref = datastore_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        datastore_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Fully-qualified Vertex AI Search data store resource ID.
+     * Format:
+     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+     * </pre>
+     *
+     * <code>string datastore = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for datastore.
+     */
+    public com.google.protobuf.ByteString getDatastoreBytes() {
+      java.lang.Object ref = datastore_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        datastore_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Fully-qualified Vertex AI Search data store resource ID.
+     * Format:
+     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+     * </pre>
+     *
+     * <code>string datastore = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The datastore to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDatastore(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      datastore_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Fully-qualified Vertex AI Search data store resource ID.
+     * Format:
+     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+     * </pre>
+     *
+     * <code>string datastore = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDatastore() {
+      datastore_ = getDefaultInstance().getDatastore();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Fully-qualified Vertex AI Search data store resource ID.
+     * Format:
+     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+     * </pre>
+     *
+     * <code>string datastore = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for datastore to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDatastoreBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      datastore_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object engine_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Fully-qualified Vertex AI Search engine resource ID.
+     * Format:
+     * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}`
+     * </pre>
+     *
+     * <code>string engine = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The engine.
+     */
+    public java.lang.String getEngine() {
+      java.lang.Object ref = engine_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        engine_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Fully-qualified Vertex AI Search engine resource ID.
+     * Format:
+     * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}`
+     * </pre>
+     *
+     * <code>string engine = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The bytes for engine.
+     */
+    public com.google.protobuf.ByteString getEngineBytes() {
+      java.lang.Object ref = engine_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        engine_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Fully-qualified Vertex AI Search engine resource ID.
+     * Format:
+     * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}`
+     * </pre>
+     *
+     * <code>string engine = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The engine to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEngine(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      engine_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Fully-qualified Vertex AI Search engine resource ID.
+     * Format:
+     * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}`
+     * </pre>
+     *
+     * <code>string engine = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearEngine() {
+      engine_ = getDefaultInstance().getEngine();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Fully-qualified Vertex AI Search engine resource ID.
+     * Format:
+     * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}`
+     * </pre>
+     *
+     * <code>string engine = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The bytes for engine to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEngineBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      engine_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    private int maxResults_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Number of search results to return per query.
+     * The default value is 10.
+     * The maximumm allowed value is 10.
+     * </pre>
+     *
+     * <code>int32 max_results = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The maxResults.
+     */
+    @java.lang.Override
+    public int getMaxResults() {
+      return maxResults_;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Number of search results to return per query.
+     * The default value is 10.
+     * The maximumm allowed value is 10.
+     * </pre>
+     *
+     * <code>int32 max_results = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The maxResults to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMaxResults(int value) {
+
+      maxResults_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Number of search results to return per query.
+     * The default value is 10.
+     * The maximumm allowed value is 10.
+     * </pre>
+     *
+     * <code>int32 max_results = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearMaxResults() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      maxResults_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object filter_ = "";
 
     /**
      *
      *
      * <pre>
-     * Required. Fully-qualified Vertex AI Search data store resource ID.
-     * Format:
-     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+     * Optional. Filter strings to be passed to the search API.
      * </pre>
      *
-     * <code>string datastore = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @return The datastore.
+     * @return The filter.
      */
-    public java.lang.String getDatastore() {
-      java.lang.Object ref = datastore_;
+    public java.lang.String getFilter() {
+      java.lang.Object ref = filter_;
       if (!(ref instanceof java.lang.String)) {
         com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
-        datastore_ = s;
+        filter_ = s;
         return s;
       } else {
         return (java.lang.String) ref;
@@ -496,21 +2016,19 @@ public java.lang.String getDatastore() {
      *
      *
      * <pre>
-     * Required. Fully-qualified Vertex AI Search data store resource ID.
-     * Format:
-     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+     * Optional. Filter strings to be passed to the search API.
      * </pre>
      *
-     * <code>string datastore = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @return The bytes for datastore.
+     * @return The bytes for filter.
      */
-    public com.google.protobuf.ByteString getDatastoreBytes() {
-      java.lang.Object ref = datastore_;
+    public com.google.protobuf.ByteString getFilterBytes() {
+      java.lang.Object ref = filter_;
       if (ref instanceof String) {
         com.google.protobuf.ByteString b =
             com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-        datastore_ = b;
+        filter_ = b;
         return b;
       } else {
         return (com.google.protobuf.ByteString) ref;
@@ -521,22 +2039,20 @@ public com.google.protobuf.ByteString getDatastoreBytes() {
      *
      *
      * <pre>
-     * Required. Fully-qualified Vertex AI Search data store resource ID.
-     * Format:
-     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+     * Optional. Filter strings to be passed to the search API.
      * </pre>
      *
-     * <code>string datastore = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @param value The datastore to set.
+     * @param value The filter to set.
      * @return This builder for chaining.
      */
-    public Builder setDatastore(java.lang.String value) {
+    public Builder setFilter(java.lang.String value) {
       if (value == null) {
         throw new NullPointerException();
       }
-      datastore_ = value;
-      bitField0_ |= 0x00000001;
+      filter_ = value;
+      bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
@@ -545,18 +2061,16 @@ public Builder setDatastore(java.lang.String value) {
      *
      *
      * <pre>
-     * Required. Fully-qualified Vertex AI Search data store resource ID.
-     * Format:
-     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+     * Optional. Filter strings to be passed to the search API.
      * </pre>
      *
-     * <code>string datastore = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
      * @return This builder for chaining.
      */
-    public Builder clearDatastore() {
-      datastore_ = getDefaultInstance().getDatastore();
-      bitField0_ = (bitField0_ & ~0x00000001);
+    public Builder clearFilter() {
+      filter_ = getDefaultInstance().getFilter();
+      bitField0_ = (bitField0_ & ~0x00000008);
       onChanged();
       return this;
     }
@@ -565,36 +2079,482 @@ public Builder clearDatastore() {
      *
      *
      * <pre>
-     * Required. Fully-qualified Vertex AI Search data store resource ID.
-     * Format:
-     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+     * Optional. Filter strings to be passed to the search API.
      * </pre>
      *
-     * <code>string datastore = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
      *
-     * @param value The bytes for datastore to set.
+     * @param value The bytes for filter to set.
      * @return This builder for chaining.
      */
-    public Builder setDatastoreBytes(com.google.protobuf.ByteString value) {
+    public Builder setFilterBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
         throw new NullPointerException();
       }
       checkByteStringIsUtf8(value);
-      datastore_ = value;
-      bitField0_ |= 0x00000001;
+      filter_ = value;
+      bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
+    private java.util.List<com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec>
+        dataStoreSpecs_ = java.util.Collections.emptyList();
+
+    private void ensureDataStoreSpecsIsMutable() {
+      if (!((bitField0_ & 0x00000010) != 0)) {
+        dataStoreSpecs_ =
+            new java.util.ArrayList<com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec>(
+                dataStoreSpecs_);
+        bitField0_ |= 0x00000010;
+      }
     }
 
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec,
+            com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.Builder,
+            com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpecOrBuilder>
+        dataStoreSpecsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec>
+        getDataStoreSpecsList() {
+      if (dataStoreSpecsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(dataStoreSpecs_);
+      } else {
+        return dataStoreSpecsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public int getDataStoreSpecsCount() {
+      if (dataStoreSpecsBuilder_ == null) {
+        return dataStoreSpecs_.size();
+      } else {
+        return dataStoreSpecsBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec getDataStoreSpecs(int index) {
+      if (dataStoreSpecsBuilder_ == null) {
+        return dataStoreSpecs_.get(index);
+      } else {
+        return dataStoreSpecsBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public Builder setDataStoreSpecs(
+        int index, com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec value) {
+      if (dataStoreSpecsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureDataStoreSpecsIsMutable();
+        dataStoreSpecs_.set(index, value);
+        onChanged();
+      } else {
+        dataStoreSpecsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public Builder setDataStoreSpecs(
+        int index,
+        com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.Builder builderForValue) {
+      if (dataStoreSpecsBuilder_ == null) {
+        ensureDataStoreSpecsIsMutable();
+        dataStoreSpecs_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        dataStoreSpecsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public Builder addDataStoreSpecs(
+        com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec value) {
+      if (dataStoreSpecsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureDataStoreSpecsIsMutable();
+        dataStoreSpecs_.add(value);
+        onChanged();
+      } else {
+        dataStoreSpecsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public Builder addDataStoreSpecs(
+        int index, com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec value) {
+      if (dataStoreSpecsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureDataStoreSpecsIsMutable();
+        dataStoreSpecs_.add(index, value);
+        onChanged();
+      } else {
+        dataStoreSpecsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public Builder addDataStoreSpecs(
+        com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.Builder builderForValue) {
+      if (dataStoreSpecsBuilder_ == null) {
+        ensureDataStoreSpecsIsMutable();
+        dataStoreSpecs_.add(builderForValue.build());
+        onChanged();
+      } else {
+        dataStoreSpecsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public Builder addDataStoreSpecs(
+        int index,
+        com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.Builder builderForValue) {
+      if (dataStoreSpecsBuilder_ == null) {
+        ensureDataStoreSpecsIsMutable();
+        dataStoreSpecs_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        dataStoreSpecsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public Builder addAllDataStoreSpecs(
+        java.lang.Iterable<? extends com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec>
+            values) {
+      if (dataStoreSpecsBuilder_ == null) {
+        ensureDataStoreSpecsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, dataStoreSpecs_);
+        onChanged();
+      } else {
+        dataStoreSpecsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public Builder clearDataStoreSpecs() {
+      if (dataStoreSpecsBuilder_ == null) {
+        dataStoreSpecs_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000010);
+        onChanged();
+      } else {
+        dataStoreSpecsBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public Builder removeDataStoreSpecs(int index) {
+      if (dataStoreSpecsBuilder_ == null) {
+        ensureDataStoreSpecsIsMutable();
+        dataStoreSpecs_.remove(index);
+        onChanged();
+      } else {
+        dataStoreSpecsBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.Builder
+        getDataStoreSpecsBuilder(int index) {
+      return internalGetDataStoreSpecsFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpecOrBuilder
+        getDataStoreSpecsOrBuilder(int index) {
+      if (dataStoreSpecsBuilder_ == null) {
+        return dataStoreSpecs_.get(index);
+      } else {
+        return dataStoreSpecsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public java.util.List<
+            ? extends com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpecOrBuilder>
+        getDataStoreSpecsOrBuilderList() {
+      if (dataStoreSpecsBuilder_ != null) {
+        return dataStoreSpecsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(dataStoreSpecs_);
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.Builder
+        addDataStoreSpecsBuilder() {
+      return internalGetDataStoreSpecsFieldBuilder()
+          .addBuilder(
+              com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.Builder
+        addDataStoreSpecsBuilder(int index) {
+      return internalGetDataStoreSpecsFieldBuilder()
+          .addBuilder(
+              index,
+              com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Specifications that define the specific DataStores to be searched, along
+     * with configurations for those data stores. This is only considered for
+     * Engines with multiple data stores.
+     * It should only be set if engine is used.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+     * </code>
+     */
+    public java.util.List<com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.Builder>
+        getDataStoreSpecsBuilderList() {
+      return internalGetDataStoreSpecsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec,
+            com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.Builder,
+            com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpecOrBuilder>
+        internalGetDataStoreSpecsFieldBuilder() {
+      if (dataStoreSpecsBuilder_ == null) {
+        dataStoreSpecsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec,
+                com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec.Builder,
+                com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpecOrBuilder>(
+                dataStoreSpecs_,
+                ((bitField0_ & 0x00000010) != 0),
+                getParentForChildren(),
+                isClean());
+        dataStoreSpecs_ = null;
+      }
+      return dataStoreSpecsBuilder_;
     }
 
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.VertexAISearch)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexAISearchOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexAISearchOrBuilder.java
index f429d2524e56..429a9c8b4bed 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexAISearchOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexAISearchOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface VertexAISearchOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.VertexAISearch)
@@ -28,12 +30,12 @@ public interface VertexAISearchOrBuilder
    *
    *
    * <pre>
-   * Required. Fully-qualified Vertex AI Search data store resource ID.
+   * Optional. Fully-qualified Vertex AI Search data store resource ID.
    * Format:
    * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
    * </pre>
    *
-   * <code>string datastore = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   * <code>string datastore = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
    *
    * @return The datastore.
    */
@@ -43,14 +45,163 @@ public interface VertexAISearchOrBuilder
    *
    *
    * <pre>
-   * Required. Fully-qualified Vertex AI Search data store resource ID.
+   * Optional. Fully-qualified Vertex AI Search data store resource ID.
    * Format:
    * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
    * </pre>
    *
-   * <code>string datastore = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+   * <code>string datastore = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
    *
    * @return The bytes for datastore.
    */
   com.google.protobuf.ByteString getDatastoreBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Fully-qualified Vertex AI Search engine resource ID.
+   * Format:
+   * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}`
+   * </pre>
+   *
+   * <code>string engine = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The engine.
+   */
+  java.lang.String getEngine();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Fully-qualified Vertex AI Search engine resource ID.
+   * Format:
+   * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}`
+   * </pre>
+   *
+   * <code>string engine = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for engine.
+   */
+  com.google.protobuf.ByteString getEngineBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Number of search results to return per query.
+   * The default value is 10.
+   * The maximumm allowed value is 10.
+   * </pre>
+   *
+   * <code>int32 max_results = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The maxResults.
+   */
+  int getMaxResults();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filter strings to be passed to the search API.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The filter.
+   */
+  java.lang.String getFilter();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Filter strings to be passed to the search API.
+   * </pre>
+   *
+   * <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The bytes for filter.
+   */
+  com.google.protobuf.ByteString getFilterBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifications that define the specific DataStores to be searched, along
+   * with configurations for those data stores. This is only considered for
+   * Engines with multiple data stores.
+   * It should only be set if engine is used.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+   * </code>
+   */
+  java.util.List<com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec>
+      getDataStoreSpecsList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifications that define the specific DataStores to be searched, along
+   * with configurations for those data stores. This is only considered for
+   * Engines with multiple data stores.
+   * It should only be set if engine is used.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+   * </code>
+   */
+  com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpec getDataStoreSpecs(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifications that define the specific DataStores to be searched, along
+   * with configurations for those data stores. This is only considered for
+   * Engines with multiple data stores.
+   * It should only be set if engine is used.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+   * </code>
+   */
+  int getDataStoreSpecsCount();
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifications that define the specific DataStores to be searched, along
+   * with configurations for those data stores. This is only considered for
+   * Engines with multiple data stores.
+   * It should only be set if engine is used.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpecOrBuilder>
+      getDataStoreSpecsOrBuilderList();
+
+  /**
+   *
+   *
+   * <pre>
+   * Specifications that define the specific DataStores to be searched, along
+   * with configurations for those data stores. This is only considered for
+   * Engines with multiple data stores.
+   * It should only be set if engine is used.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.vertexai.v1.VertexAISearch.DataStoreSpec data_store_specs = 5;
+   * </code>
+   */
+  com.google.cloud.vertexai.api.VertexAISearch.DataStoreSpecOrBuilder getDataStoreSpecsOrBuilder(
+      int index);
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexAiSearchConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexAiSearchConfig.java
new file mode 100644
index 000000000000..0a5bca00f382
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexAiSearchConfig.java
@@ -0,0 +1,617 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Config for the Vertex AI Search.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.VertexAiSearchConfig}
+ */
+@com.google.protobuf.Generated
+public final class VertexAiSearchConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.VertexAiSearchConfig)
+    VertexAiSearchConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "VertexAiSearchConfig");
+  }
+
+  // Use VertexAiSearchConfig.newBuilder() to construct.
+  private VertexAiSearchConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private VertexAiSearchConfig() {
+    servingConfig_ = "";
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_VertexAiSearchConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.VertexRagDataProto
+        .internal_static_google_cloud_vertexai_v1_VertexAiSearchConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.VertexAiSearchConfig.class,
+            com.google.cloud.vertexai.api.VertexAiSearchConfig.Builder.class);
+  }
+
+  public static final int SERVING_CONFIG_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object servingConfig_ = "";
+
+  /**
+   *
+   *
+   * <pre>
+   * Vertex AI Search Serving Config resource full name. For example,
+   * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}/servingConfigs/{serving_config}`
+   * or
+   * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{data_store}/servingConfigs/{serving_config}`.
+   * </pre>
+   *
+   * <code>string serving_config = 1;</code>
+   *
+   * @return The servingConfig.
+   */
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+  public java.lang.String getServingConfig() {
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+      servingConfig_ = s;
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+   *
+   *
+   * <pre>
+   * Vertex AI Search Serving Config resource full name. For example,
+   * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}/servingConfigs/{serving_config}`
+   * or
+   * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{data_store}/servingConfigs/{serving_config}`.
+   * </pre>
+   *
+   * <code>string serving_config = 1;</code>
+   *
+   * @return The bytes for servingConfig.
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+  public com.google.protobuf.ByteString getServingConfigBytes() {
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+    memoizedIsInitialized = 1;
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+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
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+      com.google.protobuf.GeneratedMessage.writeString(output, 1, servingConfig_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!com.google.protobuf.GeneratedMessage.isStringEmpty(servingConfig_)) {
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+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.VertexAiSearchConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.VertexAiSearchConfig other =
+        (com.google.cloud.vertexai.api.VertexAiSearchConfig) obj;
+
+    if (!getServingConfig().equals(other.getServingConfig())) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + SERVING_CONFIG_FIELD_NUMBER;
+    hash = (53 * hash) + getServingConfig().hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
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+  public static com.google.cloud.vertexai.api.VertexAiSearchConfig parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.VertexAiSearchConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.VertexAiSearchConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.VertexAiSearchConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.VertexAiSearchConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.VertexAiSearchConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.VertexAiSearchConfig parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.VertexAiSearchConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.VertexAiSearchConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.VertexAiSearchConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.VertexAiSearchConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.VertexAiSearchConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.VertexAiSearchConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Config for the Vertex AI Search.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.VertexAiSearchConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.VertexAiSearchConfig)
+      com.google.cloud.vertexai.api.VertexAiSearchConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_VertexAiSearchConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_VertexAiSearchConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.VertexAiSearchConfig.class,
+              com.google.cloud.vertexai.api.VertexAiSearchConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.VertexAiSearchConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      servingConfig_ = "";
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.VertexRagDataProto
+          .internal_static_google_cloud_vertexai_v1_VertexAiSearchConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.VertexAiSearchConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.VertexAiSearchConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.VertexAiSearchConfig build() {
+      com.google.cloud.vertexai.api.VertexAiSearchConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.VertexAiSearchConfig buildPartial() {
+      com.google.cloud.vertexai.api.VertexAiSearchConfig result =
+          new com.google.cloud.vertexai.api.VertexAiSearchConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.VertexAiSearchConfig result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.servingConfig_ = servingConfig_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.VertexAiSearchConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.VertexAiSearchConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.VertexAiSearchConfig other) {
+      if (other == com.google.cloud.vertexai.api.VertexAiSearchConfig.getDefaultInstance())
+        return this;
+      if (!other.getServingConfig().isEmpty()) {
+        servingConfig_ = other.servingConfig_;
+        bitField0_ |= 0x00000001;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
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+        while (!done) {
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+              done = true;
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+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
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+                }
+                break;
+              } // default:
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+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.lang.Object servingConfig_ = "";
+
+    /**
+     *
+     *
+     * <pre>
+     * Vertex AI Search Serving Config resource full name. For example,
+     * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}/servingConfigs/{serving_config}`
+     * or
+     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{data_store}/servingConfigs/{serving_config}`.
+     * </pre>
+     *
+     * <code>string serving_config = 1;</code>
+     *
+     * @return The servingConfig.
+     */
+    public java.lang.String getServingConfig() {
+      java.lang.Object ref = servingConfig_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        servingConfig_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Vertex AI Search Serving Config resource full name. For example,
+     * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}/servingConfigs/{serving_config}`
+     * or
+     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{data_store}/servingConfigs/{serving_config}`.
+     * </pre>
+     *
+     * <code>string serving_config = 1;</code>
+     *
+     * @return The bytes for servingConfig.
+     */
+    public com.google.protobuf.ByteString getServingConfigBytes() {
+      java.lang.Object ref = servingConfig_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        servingConfig_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Vertex AI Search Serving Config resource full name. For example,
+     * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}/servingConfigs/{serving_config}`
+     * or
+     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{data_store}/servingConfigs/{serving_config}`.
+     * </pre>
+     *
+     * <code>string serving_config = 1;</code>
+     *
+     * @param value The servingConfig to set.
+     * @return This builder for chaining.
+     */
+    public Builder setServingConfig(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      servingConfig_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Vertex AI Search Serving Config resource full name. For example,
+     * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}/servingConfigs/{serving_config}`
+     * or
+     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{data_store}/servingConfigs/{serving_config}`.
+     * </pre>
+     *
+     * <code>string serving_config = 1;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearServingConfig() {
+      servingConfig_ = getDefaultInstance().getServingConfig();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Vertex AI Search Serving Config resource full name. For example,
+     * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}/servingConfigs/{serving_config}`
+     * or
+     * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{data_store}/servingConfigs/{serving_config}`.
+     * </pre>
+     *
+     * <code>string serving_config = 1;</code>
+     *
+     * @param value The bytes for servingConfig to set.
+     * @return This builder for chaining.
+     */
+    public Builder setServingConfigBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      servingConfig_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.VertexAiSearchConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.VertexAiSearchConfig)
+  private static final com.google.cloud.vertexai.api.VertexAiSearchConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.VertexAiSearchConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.VertexAiSearchConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<VertexAiSearchConfig> PARSER =
+      new com.google.protobuf.AbstractParser<VertexAiSearchConfig>() {
+        @java.lang.Override
+        public VertexAiSearchConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<VertexAiSearchConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<VertexAiSearchConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.VertexAiSearchConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexAiSearchConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexAiSearchConfigOrBuilder.java
new file mode 100644
index 000000000000..a52b796427ab
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexAiSearchConfigOrBuilder.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface VertexAiSearchConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.VertexAiSearchConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Vertex AI Search Serving Config resource full name. For example,
+   * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}/servingConfigs/{serving_config}`
+   * or
+   * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{data_store}/servingConfigs/{serving_config}`.
+   * </pre>
+   *
+   * <code>string serving_config = 1;</code>
+   *
+   * @return The servingConfig.
+   */
+  java.lang.String getServingConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Vertex AI Search Serving Config resource full name. For example,
+   * `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}/servingConfigs/{serving_config}`
+   * or
+   * `projects/{project}/locations/{location}/collections/{collection}/dataStores/{data_store}/servingConfigs/{serving_config}`.
+   * </pre>
+   *
+   * <code>string serving_config = 1;</code>
+   *
+   * @return The bytes for servingConfig.
+   */
+  com.google.protobuf.ByteString getServingConfigBytes();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexRagDataProto.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexRagDataProto.java
new file mode 100644
index 000000000000..8980851b4311
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexRagDataProto.java
@@ -0,0 +1,636 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/vertex_rag_data.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public final class VertexRagDataProto extends com.google.protobuf.GeneratedFile {
+  private VertexRagDataProto() {}
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "VertexRagDataProto");
+  }
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions((com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_RagEmbeddingModelConfig_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_vertexai_v1_RagEmbeddingModelConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_vertexai_v1_RagEmbeddingModelConfig_VertexPredictionEndpoint_descriptor;
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+  public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
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+
+  private static com.google.protobuf.Descriptors.FileDescriptor descriptor;
+
+  static {
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+          + "\027RagEmbeddingModelConfig\022p\n"
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+          + ".vertexai.v1.RagVectorDbConfigB\006\340A\001\340A\005H\000\022Y\n"
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+          + " \001(\0132..goog"
+          + "le.cloud.vertexai.v1.VertexAiSearchConfigB\006\340A\001\340A\005H\000\022\021\n"
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+          + "corpus_status\030\010"
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+          + "\017encryption_spec\030\014"
+          + " \001(\0132(.google.cloud.vertexai.v1.EncryptionSpecB\006\340A\005\340A\001:\200\001\352A}\n"
+          + "#aiplatform.googleapis.com/RagCorpus\022?projects/{project}/lo"
+          + "cations/{location}/ragCorpora/{rag_corpus}*\n"
+          + "ragCorpora2\tragCorpusB\020\n"
+          + "\016backend_config\"\316\006\n"
+          + "\007RagFile\022>\n\n"
+          + "gcs_source\030\010 \001(\0132#.go"
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+          + "\013file_status\030\r"
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+          + "!aiplatform.googleapis.com/RagFile\022Sprojects/{project}/locations/"
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+          + "\017rag_file_source\"\236\001\n"
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+          + "\004text\030\001 \001(\t\022C\n"
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+          + "\010PageSpan\022\022\n\n"
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+          + "\tlast_page\030\002 \001(\005B\014\n\n"
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+          + "\025RagFileChunkingConfig\022d\n"
+          + "\025fixed_length_chunking\030\003 \001(\0132C.google."
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+          + "chunk_overlap\030\002 \001(\005B\021\n"
+          + "\017chunking_config\"p\n"
+          + "\033RagFileTransformationConfig\022Q\n"
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+          + "\034max_parsing_requests_per_min\030\002 \001(\005\032d\n"
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+            });
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+            internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_descriptor,
+            new java.lang.String[] {
+              "Knn", "Ann", "RetrievalStrategy",
+            });
+    internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_KNN_descriptor =
+        internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_descriptor
+            .getNestedType(0);
+    internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_KNN_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_KNN_descriptor,
+            new java.lang.String[] {});
+    internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_ANN_descriptor =
+        internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_descriptor
+            .getNestedType(1);
+    internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_ANN_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_RagManagedDb_ANN_descriptor,
+            new java.lang.String[] {
+              "TreeDepth", "LeafCount",
+            });
+    internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_Pinecone_descriptor =
+        internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_descriptor.getNestedType(1);
+    internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_Pinecone_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_Pinecone_descriptor,
+            new java.lang.String[] {
+              "IndexName",
+            });
+    internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_VertexVectorSearch_descriptor =
+        internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_descriptor.getNestedType(2);
+    internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_VertexVectorSearch_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagVectorDbConfig_VertexVectorSearch_descriptor,
+            new java.lang.String[] {
+              "IndexEndpoint", "Index",
+            });
+    internal_static_google_cloud_vertexai_v1_FileStatus_descriptor =
+        getDescriptor().getMessageType(2);
+    internal_static_google_cloud_vertexai_v1_FileStatus_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_FileStatus_descriptor,
+            new java.lang.String[] {
+              "State", "ErrorStatus",
+            });
+    internal_static_google_cloud_vertexai_v1_VertexAiSearchConfig_descriptor =
+        getDescriptor().getMessageType(3);
+    internal_static_google_cloud_vertexai_v1_VertexAiSearchConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_VertexAiSearchConfig_descriptor,
+            new java.lang.String[] {
+              "ServingConfig",
+            });
+    internal_static_google_cloud_vertexai_v1_CorpusStatus_descriptor =
+        getDescriptor().getMessageType(4);
+    internal_static_google_cloud_vertexai_v1_CorpusStatus_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_CorpusStatus_descriptor,
+            new java.lang.String[] {
+              "State", "ErrorStatus",
+            });
+    internal_static_google_cloud_vertexai_v1_RagCorpus_descriptor =
+        getDescriptor().getMessageType(5);
+    internal_static_google_cloud_vertexai_v1_RagCorpus_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagCorpus_descriptor,
+            new java.lang.String[] {
+              "VectorDbConfig",
+              "VertexAiSearchConfig",
+              "Name",
+              "DisplayName",
+              "Description",
+              "CreateTime",
+              "UpdateTime",
+              "CorpusStatus",
+              "EncryptionSpec",
+              "BackendConfig",
+            });
+    internal_static_google_cloud_vertexai_v1_RagFile_descriptor = getDescriptor().getMessageType(6);
+    internal_static_google_cloud_vertexai_v1_RagFile_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagFile_descriptor,
+            new java.lang.String[] {
+              "GcsSource",
+              "GoogleDriveSource",
+              "DirectUploadSource",
+              "SlackSource",
+              "JiraSource",
+              "SharePointSources",
+              "Name",
+              "DisplayName",
+              "Description",
+              "CreateTime",
+              "UpdateTime",
+              "FileStatus",
+              "RagFileSource",
+            });
+    internal_static_google_cloud_vertexai_v1_RagChunk_descriptor =
+        getDescriptor().getMessageType(7);
+    internal_static_google_cloud_vertexai_v1_RagChunk_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagChunk_descriptor,
+            new java.lang.String[] {
+              "Text", "PageSpan",
+            });
+    internal_static_google_cloud_vertexai_v1_RagChunk_PageSpan_descriptor =
+        internal_static_google_cloud_vertexai_v1_RagChunk_descriptor.getNestedType(0);
+    internal_static_google_cloud_vertexai_v1_RagChunk_PageSpan_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagChunk_PageSpan_descriptor,
+            new java.lang.String[] {
+              "FirstPage", "LastPage",
+            });
+    internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_descriptor =
+        getDescriptor().getMessageType(8);
+    internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_descriptor,
+            new java.lang.String[] {
+              "FixedLengthChunking", "ChunkingConfig",
+            });
+    internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_FixedLengthChunking_descriptor =
+        internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_descriptor.getNestedType(0);
+    internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_FixedLengthChunking_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagFileChunkingConfig_FixedLengthChunking_descriptor,
+            new java.lang.String[] {
+              "ChunkSize", "ChunkOverlap",
+            });
+    internal_static_google_cloud_vertexai_v1_RagFileTransformationConfig_descriptor =
+        getDescriptor().getMessageType(9);
+    internal_static_google_cloud_vertexai_v1_RagFileTransformationConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagFileTransformationConfig_descriptor,
+            new java.lang.String[] {
+              "RagFileChunkingConfig",
+            });
+    internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_descriptor =
+        getDescriptor().getMessageType(10);
+    internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_descriptor,
+            new java.lang.String[] {
+              "LayoutParser", "LlmParser", "Parser",
+            });
+    internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LayoutParser_descriptor =
+        internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_descriptor.getNestedType(0);
+    internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LayoutParser_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LayoutParser_descriptor,
+            new java.lang.String[] {
+              "ProcessorName", "MaxParsingRequestsPerMin",
+            });
+    internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LlmParser_descriptor =
+        internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_descriptor.getNestedType(1);
+    internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LlmParser_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagFileParsingConfig_LlmParser_descriptor,
+            new java.lang.String[] {
+              "ModelName", "MaxParsingRequestsPerMin", "CustomParsingPrompt",
+            });
+    internal_static_google_cloud_vertexai_v1_UploadRagFileConfig_descriptor =
+        getDescriptor().getMessageType(11);
+    internal_static_google_cloud_vertexai_v1_UploadRagFileConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_UploadRagFileConfig_descriptor,
+            new java.lang.String[] {
+              "RagFileTransformationConfig",
+            });
+    internal_static_google_cloud_vertexai_v1_ImportRagFilesConfig_descriptor =
+        getDescriptor().getMessageType(12);
+    internal_static_google_cloud_vertexai_v1_ImportRagFilesConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_ImportRagFilesConfig_descriptor,
+            new java.lang.String[] {
+              "GcsSource",
+              "GoogleDriveSource",
+              "SlackSource",
+              "JiraSource",
+              "SharePointSources",
+              "PartialFailureGcsSink",
+              "PartialFailureBigquerySink",
+              "ImportResultGcsSink",
+              "ImportResultBigquerySink",
+              "RagFileTransformationConfig",
+              "RagFileParsingConfig",
+              "MaxEmbeddingRequestsPerMin",
+              "RebuildAnnIndex",
+              "ImportSource",
+              "PartialFailureSink",
+              "ImportResultSink",
+            });
+    internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_descriptor =
+        getDescriptor().getMessageType(13);
+    internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_descriptor,
+            new java.lang.String[] {
+              "Scaled", "Basic", "Unprovisioned", "Tier",
+            });
+    internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_Scaled_descriptor =
+        internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_descriptor.getNestedType(0);
+    internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_Scaled_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_Scaled_descriptor,
+            new java.lang.String[] {});
+    internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_Basic_descriptor =
+        internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_descriptor.getNestedType(1);
+    internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_Basic_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_Basic_descriptor,
+            new java.lang.String[] {});
+    internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_Unprovisioned_descriptor =
+        internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_descriptor.getNestedType(2);
+    internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_Unprovisioned_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagManagedDbConfig_Unprovisioned_descriptor,
+            new java.lang.String[] {});
+    internal_static_google_cloud_vertexai_v1_RagEngineConfig_descriptor =
+        getDescriptor().getMessageType(14);
+    internal_static_google_cloud_vertexai_v1_RagEngineConfig_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_vertexai_v1_RagEngineConfig_descriptor,
+            new java.lang.String[] {
+              "Name", "RagManagedDbConfig",
+            });
+    descriptor.resolveAllFeaturesImmutable();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
+    com.google.cloud.vertexai.api.ApiAuthProto.getDescriptor();
+    com.google.cloud.vertexai.api.EncryptionSpecProto.getDescriptor();
+    com.google.cloud.vertexai.api.IoProto.getDescriptor();
+    com.google.protobuf.TimestampProto.getDescriptor();
+    com.google.protobuf.ExtensionRegistry registry =
+        com.google.protobuf.ExtensionRegistry.newInstance();
+    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
+    registry.add(com.google.api.ResourceProto.resource);
+    registry.add(com.google.api.ResourceProto.resourceReference);
+    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
+        descriptor, registry);
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexRagStore.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexRagStore.java
index cc7103373e4c..20efcce74675 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexRagStore.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexRagStore.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,14 +29,25 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.VertexRagStore}
  */
-public final class VertexRagStore extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class VertexRagStore extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.VertexRagStore)
     VertexRagStoreOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "VertexRagStore");
+  }
+
   // Use VertexRagStore.newBuilder() to construct.
-  private VertexRagStore(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private VertexRagStore(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
@@ -43,19 +55,13 @@ private VertexRagStore() {
     ragResources_ = java.util.Collections.emptyList();
   }
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new VertexRagStore();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_VertexRagStore_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ToolProto
         .internal_static_google_cloud_vertexai_v1_VertexRagStore_fieldAccessorTable
@@ -171,14 +177,24 @@ public interface RagResourceOrBuilder
    *
    * Protobuf type {@code google.cloud.vertexai.v1.VertexRagStore.RagResource}
    */
-  public static final class RagResource extends com.google.protobuf.GeneratedMessageV3
+  public static final class RagResource extends com.google.protobuf.GeneratedMessage
       implements
       // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.VertexRagStore.RagResource)
       RagResourceOrBuilder {
     private static final long serialVersionUID = 0L;
 
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 0,
+          /* suffix= */ "",
+          "RagResource");
+    }
+
     // Use RagResource.newBuilder() to construct.
-    private RagResource(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    private RagResource(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
       super(builder);
     }
 
@@ -187,19 +203,13 @@ private RagResource() {
       ragFileIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
     }
 
-    @java.lang.Override
-    @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-      return new RagResource();
-    }
-
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_VertexRagStore_RagResource_descriptor;
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_VertexRagStore_RagResource_fieldAccessorTable
@@ -355,11 +365,11 @@ public final boolean isInitialized() {
 
     @java.lang.Override
     public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(ragCorpus_)) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, ragCorpus_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(ragCorpus_)) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, ragCorpus_);
       }
       for (int i = 0; i < ragFileIds_.size(); i++) {
-        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, ragFileIds_.getRaw(i));
+        com.google.protobuf.GeneratedMessage.writeString(output, 2, ragFileIds_.getRaw(i));
       }
       getUnknownFields().writeTo(output);
     }
@@ -370,8 +380,8 @@ public int getSerializedSize() {
       if (size != -1) return size;
 
       size = 0;
-      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(ragCorpus_)) {
-        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, ragCorpus_);
+      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(ragCorpus_)) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, ragCorpus_);
       }
       {
         int dataSize = 0;
@@ -458,38 +468,38 @@ public static com.google.cloud.vertexai.api.VertexRagStore.RagResource parseFrom
 
     public static com.google.cloud.vertexai.api.VertexRagStore.RagResource parseFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.VertexRagStore.RagResource parseFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.VertexRagStore.RagResource parseDelimitedFrom(
         java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.VertexRagStore.RagResource parseDelimitedFrom(
         java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
           PARSER, input, extensionRegistry);
     }
 
     public static com.google.cloud.vertexai.api.VertexRagStore.RagResource parseFrom(
         com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
     }
 
     public static com.google.cloud.vertexai.api.VertexRagStore.RagResource parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
           PARSER, input, extensionRegistry);
     }
 
@@ -513,8 +523,7 @@ public Builder toBuilder() {
     }
 
     @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       Builder builder = new Builder(parent);
       return builder;
     }
@@ -528,8 +537,7 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.cloud.vertexai.v1.VertexRagStore.RagResource}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
         implements
         // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.VertexRagStore.RagResource)
         com.google.cloud.vertexai.api.VertexRagStore.RagResourceOrBuilder {
@@ -539,7 +547,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       }
 
       @java.lang.Override
-      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
           internalGetFieldAccessorTable() {
         return com.google.cloud.vertexai.api.ToolProto
             .internal_static_google_cloud_vertexai_v1_VertexRagStore_RagResource_fieldAccessorTable
@@ -551,7 +559,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
       // Construct using com.google.cloud.vertexai.api.VertexRagStore.RagResource.newBuilder()
       private Builder() {}
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
         super(parent);
       }
 
@@ -606,41 +614,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.VertexRagStore.RagResou
         }
       }
 
-      @java.lang.Override
-      public Builder clone() {
-        return super.clone();
-      }
-
-      @java.lang.Override
-      public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.setField(field, value);
-      }
-
-      @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-        return super.clearField(field);
-      }
-
-      @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-        return super.clearOneof(oneof);
-      }
-
-      @java.lang.Override
-      public Builder setRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
-        return super.setRepeatedField(field, index, value);
-      }
-
-      @java.lang.Override
-      public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-        return super.addRepeatedField(field, value);
-      }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.cloud.vertexai.api.VertexRagStore.RagResource) {
@@ -1050,18 +1023,6 @@ public Builder addRagFileIdsBytes(com.google.protobuf.ByteString value) {
         return this;
       }
 
-      @java.lang.Override
-      public final Builder setUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.setUnknownFields(unknownFields);
-      }
-
-      @java.lang.Override
-      public final Builder mergeUnknownFields(
-          final com.google.protobuf.UnknownFieldSet unknownFields) {
-        return super.mergeUnknownFields(unknownFields);
-      }
-
       // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.VertexRagStore.RagResource)
     }
 
@@ -1233,7 +1194,7 @@ public com.google.cloud.vertexai.api.VertexRagStore.RagResourceOrBuilder getRagR
    * </code>
    *
    * @deprecated google.cloud.vertexai.v1.VertexRagStore.similarity_top_k is deprecated. See
-   *     google/cloud/vertexai/v1/tool.proto;l=250
+   *     google/cloud/vertexai/v1/tool.proto;l=457
    * @return Whether the similarityTopK field is set.
    */
   @java.lang.Override
@@ -1254,7 +1215,7 @@ public boolean hasSimilarityTopK() {
    * </code>
    *
    * @deprecated google.cloud.vertexai.v1.VertexRagStore.similarity_top_k is deprecated. See
-   *     google/cloud/vertexai/v1/tool.proto;l=250
+   *     google/cloud/vertexai/v1/tool.proto;l=457
    * @return The similarityTopK.
    */
   @java.lang.Override
@@ -1279,7 +1240,7 @@ public int getSimilarityTopK() {
    * </code>
    *
    * @deprecated google.cloud.vertexai.v1.VertexRagStore.vector_distance_threshold is deprecated.
-   *     See google/cloud/vertexai/v1/tool.proto;l=255
+   *     See google/cloud/vertexai/v1/tool.proto;l=462
    * @return Whether the vectorDistanceThreshold field is set.
    */
   @java.lang.Override
@@ -1301,7 +1262,7 @@ public boolean hasVectorDistanceThreshold() {
    * </code>
    *
    * @deprecated google.cloud.vertexai.v1.VertexRagStore.vector_distance_threshold is deprecated.
-   *     See google/cloud/vertexai/v1/tool.proto;l=255
+   *     See google/cloud/vertexai/v1/tool.proto;l=462
    * @return The vectorDistanceThreshold.
    */
   @java.lang.Override
@@ -1519,38 +1480,38 @@ public static com.google.cloud.vertexai.api.VertexRagStore parseFrom(
 
   public static com.google.cloud.vertexai.api.VertexRagStore parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.VertexRagStore parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.VertexRagStore parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.VertexRagStore parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.VertexRagStore parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.VertexRagStore parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -1573,7 +1534,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -1587,7 +1548,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.VertexRagStore}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.VertexRagStore)
       com.google.cloud.vertexai.api.VertexRagStoreOrBuilder {
@@ -1597,7 +1558,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ToolProto
           .internal_static_google_cloud_vertexai_v1_VertexRagStore_fieldAccessorTable
@@ -1611,15 +1572,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getRagResourcesFieldBuilder();
-        getRagRetrievalConfigFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetRagResourcesFieldBuilder();
+        internalGetRagRetrievalConfigFieldBuilder();
       }
     }
 
@@ -1709,39 +1670,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.VertexRagStore result)
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.VertexRagStore) {
@@ -1773,8 +1701,8 @@ public Builder mergeFrom(com.google.cloud.vertexai.api.VertexRagStore other) {
             ragResources_ = other.ragResources_;
             bitField0_ = (bitField0_ & ~0x00000001);
             ragResourcesBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getRagResourcesFieldBuilder()
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetRagResourcesFieldBuilder()
                     : null;
           } else {
             ragResourcesBuilder_.addAllMessages(other.ragResources_);
@@ -1845,7 +1773,7 @@ public Builder mergeFrom(
             case 50:
               {
                 input.readMessage(
-                    getRagRetrievalConfigFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetRagRetrievalConfigFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000008;
                 break;
               } // case 50
@@ -1880,7 +1808,7 @@ private void ensureRagResourcesIsMutable() {
       }
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.VertexRagStore.RagResource,
             com.google.cloud.vertexai.api.VertexRagStore.RagResource.Builder,
             com.google.cloud.vertexai.api.VertexRagStore.RagResourceOrBuilder>
@@ -2212,7 +2140,7 @@ public Builder removeRagResources(int index) {
      */
     public com.google.cloud.vertexai.api.VertexRagStore.RagResource.Builder getRagResourcesBuilder(
         int index) {
-      return getRagResourcesFieldBuilder().getBuilder(index);
+      return internalGetRagResourcesFieldBuilder().getBuilder(index);
     }
 
     /**
@@ -2278,7 +2206,7 @@ public com.google.cloud.vertexai.api.VertexRagStore.RagResource.Builder getRagRe
      */
     public com.google.cloud.vertexai.api.VertexRagStore.RagResource.Builder
         addRagResourcesBuilder() {
-      return getRagResourcesFieldBuilder()
+      return internalGetRagResourcesFieldBuilder()
           .addBuilder(
               com.google.cloud.vertexai.api.VertexRagStore.RagResource.getDefaultInstance());
     }
@@ -2299,7 +2227,7 @@ public com.google.cloud.vertexai.api.VertexRagStore.RagResource.Builder getRagRe
      */
     public com.google.cloud.vertexai.api.VertexRagStore.RagResource.Builder addRagResourcesBuilder(
         int index) {
-      return getRagResourcesFieldBuilder()
+      return internalGetRagResourcesFieldBuilder()
           .addBuilder(
               index, com.google.cloud.vertexai.api.VertexRagStore.RagResource.getDefaultInstance());
     }
@@ -2320,17 +2248,17 @@ public com.google.cloud.vertexai.api.VertexRagStore.RagResource.Builder addRagRe
      */
     public java.util.List<com.google.cloud.vertexai.api.VertexRagStore.RagResource.Builder>
         getRagResourcesBuilderList() {
-      return getRagResourcesFieldBuilder().getBuilderList();
+      return internalGetRagResourcesFieldBuilder().getBuilderList();
     }
 
-    private com.google.protobuf.RepeatedFieldBuilderV3<
+    private com.google.protobuf.RepeatedFieldBuilder<
             com.google.cloud.vertexai.api.VertexRagStore.RagResource,
             com.google.cloud.vertexai.api.VertexRagStore.RagResource.Builder,
             com.google.cloud.vertexai.api.VertexRagStore.RagResourceOrBuilder>
-        getRagResourcesFieldBuilder() {
+        internalGetRagResourcesFieldBuilder() {
       if (ragResourcesBuilder_ == null) {
         ragResourcesBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
+            new com.google.protobuf.RepeatedFieldBuilder<
                 com.google.cloud.vertexai.api.VertexRagStore.RagResource,
                 com.google.cloud.vertexai.api.VertexRagStore.RagResource.Builder,
                 com.google.cloud.vertexai.api.VertexRagStore.RagResourceOrBuilder>(
@@ -2354,7 +2282,7 @@ public com.google.cloud.vertexai.api.VertexRagStore.RagResource.Builder addRagRe
      * </code>
      *
      * @deprecated google.cloud.vertexai.v1.VertexRagStore.similarity_top_k is deprecated. See
-     *     google/cloud/vertexai/v1/tool.proto;l=250
+     *     google/cloud/vertexai/v1/tool.proto;l=457
      * @return Whether the similarityTopK field is set.
      */
     @java.lang.Override
@@ -2375,7 +2303,7 @@ public boolean hasSimilarityTopK() {
      * </code>
      *
      * @deprecated google.cloud.vertexai.v1.VertexRagStore.similarity_top_k is deprecated. See
-     *     google/cloud/vertexai/v1/tool.proto;l=250
+     *     google/cloud/vertexai/v1/tool.proto;l=457
      * @return The similarityTopK.
      */
     @java.lang.Override
@@ -2396,7 +2324,7 @@ public int getSimilarityTopK() {
      * </code>
      *
      * @deprecated google.cloud.vertexai.v1.VertexRagStore.similarity_top_k is deprecated. See
-     *     google/cloud/vertexai/v1/tool.proto;l=250
+     *     google/cloud/vertexai/v1/tool.proto;l=457
      * @param value The similarityTopK to set.
      * @return This builder for chaining.
      */
@@ -2421,7 +2349,7 @@ public Builder setSimilarityTopK(int value) {
      * </code>
      *
      * @deprecated google.cloud.vertexai.v1.VertexRagStore.similarity_top_k is deprecated. See
-     *     google/cloud/vertexai/v1/tool.proto;l=250
+     *     google/cloud/vertexai/v1/tool.proto;l=457
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
@@ -2447,7 +2375,7 @@ public Builder clearSimilarityTopK() {
      * </code>
      *
      * @deprecated google.cloud.vertexai.v1.VertexRagStore.vector_distance_threshold is deprecated.
-     *     See google/cloud/vertexai/v1/tool.proto;l=255
+     *     See google/cloud/vertexai/v1/tool.proto;l=462
      * @return Whether the vectorDistanceThreshold field is set.
      */
     @java.lang.Override
@@ -2469,7 +2397,7 @@ public boolean hasVectorDistanceThreshold() {
      * </code>
      *
      * @deprecated google.cloud.vertexai.v1.VertexRagStore.vector_distance_threshold is deprecated.
-     *     See google/cloud/vertexai/v1/tool.proto;l=255
+     *     See google/cloud/vertexai/v1/tool.proto;l=462
      * @return The vectorDistanceThreshold.
      */
     @java.lang.Override
@@ -2491,7 +2419,7 @@ public double getVectorDistanceThreshold() {
      * </code>
      *
      * @deprecated google.cloud.vertexai.v1.VertexRagStore.vector_distance_threshold is deprecated.
-     *     See google/cloud/vertexai/v1/tool.proto;l=255
+     *     See google/cloud/vertexai/v1/tool.proto;l=462
      * @param value The vectorDistanceThreshold to set.
      * @return This builder for chaining.
      */
@@ -2517,7 +2445,7 @@ public Builder setVectorDistanceThreshold(double value) {
      * </code>
      *
      * @deprecated google.cloud.vertexai.v1.VertexRagStore.vector_distance_threshold is deprecated.
-     *     See google/cloud/vertexai/v1/tool.proto;l=255
+     *     See google/cloud/vertexai/v1/tool.proto;l=462
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
@@ -2529,7 +2457,7 @@ public Builder clearVectorDistanceThreshold() {
     }
 
     private com.google.cloud.vertexai.api.RagRetrievalConfig ragRetrievalConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.RagRetrievalConfig,
             com.google.cloud.vertexai.api.RagRetrievalConfig.Builder,
             com.google.cloud.vertexai.api.RagRetrievalConfigOrBuilder>
@@ -2690,7 +2618,7 @@ public Builder clearRagRetrievalConfig() {
     public com.google.cloud.vertexai.api.RagRetrievalConfig.Builder getRagRetrievalConfigBuilder() {
       bitField0_ |= 0x00000008;
       onChanged();
-      return getRagRetrievalConfigFieldBuilder().getBuilder();
+      return internalGetRagRetrievalConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -2726,14 +2654,14 @@ public com.google.cloud.vertexai.api.RagRetrievalConfig.Builder getRagRetrievalC
      * .google.cloud.vertexai.v1.RagRetrievalConfig rag_retrieval_config = 6 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.RagRetrievalConfig,
             com.google.cloud.vertexai.api.RagRetrievalConfig.Builder,
             com.google.cloud.vertexai.api.RagRetrievalConfigOrBuilder>
-        getRagRetrievalConfigFieldBuilder() {
+        internalGetRagRetrievalConfigFieldBuilder() {
       if (ragRetrievalConfigBuilder_ == null) {
         ragRetrievalConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.RagRetrievalConfig,
                 com.google.cloud.vertexai.api.RagRetrievalConfig.Builder,
                 com.google.cloud.vertexai.api.RagRetrievalConfigOrBuilder>(
@@ -2743,17 +2671,6 @@ public com.google.cloud.vertexai.api.RagRetrievalConfig.Builder getRagRetrievalC
       return ragRetrievalConfigBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.VertexRagStore)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexRagStoreOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexRagStoreOrBuilder.java
index e4f8f4eeaf21..8608ec9f30da 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexRagStoreOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexRagStoreOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/tool.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface VertexRagStoreOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.VertexRagStore)
@@ -118,7 +120,7 @@ com.google.cloud.vertexai.api.VertexRagStore.RagResourceOrBuilder getRagResource
    * </code>
    *
    * @deprecated google.cloud.vertexai.v1.VertexRagStore.similarity_top_k is deprecated. See
-   *     google/cloud/vertexai/v1/tool.proto;l=250
+   *     google/cloud/vertexai/v1/tool.proto;l=457
    * @return Whether the similarityTopK field is set.
    */
   @java.lang.Deprecated
@@ -136,7 +138,7 @@ com.google.cloud.vertexai.api.VertexRagStore.RagResourceOrBuilder getRagResource
    * </code>
    *
    * @deprecated google.cloud.vertexai.v1.VertexRagStore.similarity_top_k is deprecated. See
-   *     google/cloud/vertexai/v1/tool.proto;l=250
+   *     google/cloud/vertexai/v1/tool.proto;l=457
    * @return The similarityTopK.
    */
   @java.lang.Deprecated
@@ -155,7 +157,7 @@ com.google.cloud.vertexai.api.VertexRagStore.RagResourceOrBuilder getRagResource
    * </code>
    *
    * @deprecated google.cloud.vertexai.v1.VertexRagStore.vector_distance_threshold is deprecated.
-   *     See google/cloud/vertexai/v1/tool.proto;l=255
+   *     See google/cloud/vertexai/v1/tool.proto;l=462
    * @return Whether the vectorDistanceThreshold field is set.
    */
   @java.lang.Deprecated
@@ -174,7 +176,7 @@ com.google.cloud.vertexai.api.VertexRagStore.RagResourceOrBuilder getRagResource
    * </code>
    *
    * @deprecated google.cloud.vertexai.v1.VertexRagStore.vector_distance_threshold is deprecated.
-   *     See google/cloud/vertexai/v1/tool.proto;l=255
+   *     See google/cloud/vertexai/v1/tool.proto;l=462
    * @return The vectorDistanceThreshold.
    */
   @java.lang.Deprecated
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VideoMetadata.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VideoMetadata.java
index a92fecaea51d..71fc266b6f9a 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VideoMetadata.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VideoMetadata.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -28,32 +29,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.VideoMetadata}
  */
-public final class VideoMetadata extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class VideoMetadata extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.VideoMetadata)
     VideoMetadataOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "VideoMetadata");
+  }
+
   // Use VideoMetadata.newBuilder() to construct.
-  private VideoMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private VideoMetadata(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private VideoMetadata() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new VideoMetadata();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_VideoMetadata_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ContentProto
         .internal_static_google_cloud_vertexai_v1_VideoMetadata_fieldAccessorTable
@@ -287,38 +293,38 @@ public static com.google.cloud.vertexai.api.VideoMetadata parseFrom(
 
   public static com.google.cloud.vertexai.api.VideoMetadata parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.VideoMetadata parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.VideoMetadata parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.VideoMetadata parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.VideoMetadata parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.VideoMetadata parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -341,7 +347,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -355,7 +361,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.VideoMetadata}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.VideoMetadata)
       com.google.cloud.vertexai.api.VideoMetadataOrBuilder {
@@ -365,7 +371,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ContentProto
           .internal_static_google_cloud_vertexai_v1_VideoMetadata_fieldAccessorTable
@@ -379,15 +385,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getStartOffsetFieldBuilder();
-        getEndOffsetFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetStartOffsetFieldBuilder();
+        internalGetEndOffsetFieldBuilder();
       }
     }
 
@@ -454,39 +460,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.VideoMetadata result) {
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.VideoMetadata) {
@@ -533,13 +506,15 @@ public Builder mergeFrom(
               break;
             case 10:
               {
-                input.readMessage(getStartOffsetFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetStartOffsetFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
             case 18:
               {
-                input.readMessage(getEndOffsetFieldBuilder().getBuilder(), extensionRegistry);
+                input.readMessage(
+                    internalGetEndOffsetFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
@@ -563,7 +538,7 @@ public Builder mergeFrom(
     private int bitField0_;
 
     private com.google.protobuf.Duration startOffset_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Duration,
             com.google.protobuf.Duration.Builder,
             com.google.protobuf.DurationOrBuilder>
@@ -715,7 +690,7 @@ public Builder clearStartOffset() {
     public com.google.protobuf.Duration.Builder getStartOffsetBuilder() {
       bitField0_ |= 0x00000001;
       onChanged();
-      return getStartOffsetFieldBuilder().getBuilder();
+      return internalGetStartOffsetFieldBuilder().getBuilder();
     }
 
     /**
@@ -748,14 +723,14 @@ public com.google.protobuf.DurationOrBuilder getStartOffsetOrBuilder() {
      * <code>.google.protobuf.Duration start_offset = 1 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Duration,
             com.google.protobuf.Duration.Builder,
             com.google.protobuf.DurationOrBuilder>
-        getStartOffsetFieldBuilder() {
+        internalGetStartOffsetFieldBuilder() {
       if (startOffsetBuilder_ == null) {
         startOffsetBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Duration,
                 com.google.protobuf.Duration.Builder,
                 com.google.protobuf.DurationOrBuilder>(
@@ -766,7 +741,7 @@ public com.google.protobuf.DurationOrBuilder getStartOffsetOrBuilder() {
     }
 
     private com.google.protobuf.Duration endOffset_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Duration,
             com.google.protobuf.Duration.Builder,
             com.google.protobuf.DurationOrBuilder>
@@ -916,7 +891,7 @@ public Builder clearEndOffset() {
     public com.google.protobuf.Duration.Builder getEndOffsetBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getEndOffsetFieldBuilder().getBuilder();
+      return internalGetEndOffsetFieldBuilder().getBuilder();
     }
 
     /**
@@ -947,14 +922,14 @@ public com.google.protobuf.DurationOrBuilder getEndOffsetOrBuilder() {
      * <code>.google.protobuf.Duration end_offset = 2 [(.google.api.field_behavior) = OPTIONAL];
      * </code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.protobuf.Duration,
             com.google.protobuf.Duration.Builder,
             com.google.protobuf.DurationOrBuilder>
-        getEndOffsetFieldBuilder() {
+        internalGetEndOffsetFieldBuilder() {
       if (endOffsetBuilder_ == null) {
         endOffsetBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.protobuf.Duration,
                 com.google.protobuf.Duration.Builder,
                 com.google.protobuf.DurationOrBuilder>(
@@ -964,17 +939,6 @@ public com.google.protobuf.DurationOrBuilder getEndOffsetOrBuilder() {
       return endOffsetBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.VideoMetadata)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VideoMetadataOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VideoMetadataOrBuilder.java
index 88a9b9d7ef84..6932834d747f 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VideoMetadataOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VideoMetadataOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface VideoMetadataOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.VideoMetadata)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VoiceConfig.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VoiceConfig.java
new file mode 100644
index 000000000000..2308f22f36c1
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VoiceConfig.java
@@ -0,0 +1,1149 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+/**
+ *
+ *
+ * <pre>
+ * Configuration for a voice.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.vertexai.v1.VoiceConfig}
+ */
+@com.google.protobuf.Generated
+public final class VoiceConfig extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.VoiceConfig)
+    VoiceConfigOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "VoiceConfig");
+  }
+
+  // Use VoiceConfig.newBuilder() to construct.
+  private VoiceConfig(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+    super(builder);
+  }
+
+  private VoiceConfig() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_VoiceConfig_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.vertexai.api.ContentProto
+        .internal_static_google_cloud_vertexai_v1_VoiceConfig_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.vertexai.api.VoiceConfig.class,
+            com.google.cloud.vertexai.api.VoiceConfig.Builder.class);
+  }
+
+  private int voiceConfigCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object voiceConfig_;
+
+  public enum VoiceConfigCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    PREBUILT_VOICE_CONFIG(1),
+    REPLICATED_VOICE_CONFIG(3),
+    VOICECONFIG_NOT_SET(0);
+    private final int value;
+
+    private VoiceConfigCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static VoiceConfigCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static VoiceConfigCase forNumber(int value) {
+      switch (value) {
+        case 1:
+          return PREBUILT_VOICE_CONFIG;
+        case 3:
+          return REPLICATED_VOICE_CONFIG;
+        case 0:
+          return VOICECONFIG_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public VoiceConfigCase getVoiceConfigCase() {
+    return VoiceConfigCase.forNumber(voiceConfigCase_);
+  }
+
+  public static final int PREBUILT_VOICE_CONFIG_FIELD_NUMBER = 1;
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for a prebuilt voice.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+   *
+   * @return Whether the prebuiltVoiceConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasPrebuiltVoiceConfig() {
+    return voiceConfigCase_ == 1;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for a prebuilt voice.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+   *
+   * @return The prebuiltVoiceConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.PrebuiltVoiceConfig getPrebuiltVoiceConfig() {
+    if (voiceConfigCase_ == 1) {
+      return (com.google.cloud.vertexai.api.PrebuiltVoiceConfig) voiceConfig_;
+    }
+    return com.google.cloud.vertexai.api.PrebuiltVoiceConfig.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for a prebuilt voice.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.PrebuiltVoiceConfigOrBuilder
+      getPrebuiltVoiceConfigOrBuilder() {
+    if (voiceConfigCase_ == 1) {
+      return (com.google.cloud.vertexai.api.PrebuiltVoiceConfig) voiceConfig_;
+    }
+    return com.google.cloud.vertexai.api.PrebuiltVoiceConfig.getDefaultInstance();
+  }
+
+  public static final int REPLICATED_VOICE_CONFIG_FIELD_NUMBER = 3;
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for a replicated voice. This enables users to
+   * replicate a voice from an audio sample.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the replicatedVoiceConfig field is set.
+   */
+  @java.lang.Override
+  public boolean hasReplicatedVoiceConfig() {
+    return voiceConfigCase_ == 3;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for a replicated voice. This enables users to
+   * replicate a voice from an audio sample.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The replicatedVoiceConfig.
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ReplicatedVoiceConfig getReplicatedVoiceConfig() {
+    if (voiceConfigCase_ == 3) {
+      return (com.google.cloud.vertexai.api.ReplicatedVoiceConfig) voiceConfig_;
+    }
+    return com.google.cloud.vertexai.api.ReplicatedVoiceConfig.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for a replicated voice. This enables users to
+   * replicate a voice from an audio sample.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.ReplicatedVoiceConfigOrBuilder
+      getReplicatedVoiceConfigOrBuilder() {
+    if (voiceConfigCase_ == 3) {
+      return (com.google.cloud.vertexai.api.ReplicatedVoiceConfig) voiceConfig_;
+    }
+    return com.google.cloud.vertexai.api.ReplicatedVoiceConfig.getDefaultInstance();
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (voiceConfigCase_ == 1) {
+      output.writeMessage(1, (com.google.cloud.vertexai.api.PrebuiltVoiceConfig) voiceConfig_);
+    }
+    if (voiceConfigCase_ == 3) {
+      output.writeMessage(3, (com.google.cloud.vertexai.api.ReplicatedVoiceConfig) voiceConfig_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (voiceConfigCase_ == 1) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              1, (com.google.cloud.vertexai.api.PrebuiltVoiceConfig) voiceConfig_);
+    }
+    if (voiceConfigCase_ == 3) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              3, (com.google.cloud.vertexai.api.ReplicatedVoiceConfig) voiceConfig_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.vertexai.api.VoiceConfig)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.vertexai.api.VoiceConfig other =
+        (com.google.cloud.vertexai.api.VoiceConfig) obj;
+
+    if (!getVoiceConfigCase().equals(other.getVoiceConfigCase())) return false;
+    switch (voiceConfigCase_) {
+      case 1:
+        if (!getPrebuiltVoiceConfig().equals(other.getPrebuiltVoiceConfig())) return false;
+        break;
+      case 3:
+        if (!getReplicatedVoiceConfig().equals(other.getReplicatedVoiceConfig())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (voiceConfigCase_) {
+      case 1:
+        hash = (37 * hash) + PREBUILT_VOICE_CONFIG_FIELD_NUMBER;
+        hash = (53 * hash) + getPrebuiltVoiceConfig().hashCode();
+        break;
+      case 3:
+        hash = (37 * hash) + REPLICATED_VOICE_CONFIG_FIELD_NUMBER;
+        hash = (53 * hash) + getReplicatedVoiceConfig().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.vertexai.api.VoiceConfig parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.VoiceConfig parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.VoiceConfig parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.VoiceConfig parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.VoiceConfig parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.vertexai.api.VoiceConfig parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.VoiceConfig parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.VoiceConfig parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.VoiceConfig parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.VoiceConfig parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.vertexai.api.VoiceConfig parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.vertexai.api.VoiceConfig parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.vertexai.api.VoiceConfig prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * Configuration for a voice.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.vertexai.v1.VoiceConfig}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.VoiceConfig)
+      com.google.cloud.vertexai.api.VoiceConfigOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_VoiceConfig_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_VoiceConfig_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.vertexai.api.VoiceConfig.class,
+              com.google.cloud.vertexai.api.VoiceConfig.Builder.class);
+    }
+
+    // Construct using com.google.cloud.vertexai.api.VoiceConfig.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (prebuiltVoiceConfigBuilder_ != null) {
+        prebuiltVoiceConfigBuilder_.clear();
+      }
+      if (replicatedVoiceConfigBuilder_ != null) {
+        replicatedVoiceConfigBuilder_.clear();
+      }
+      voiceConfigCase_ = 0;
+      voiceConfig_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.vertexai.api.ContentProto
+          .internal_static_google_cloud_vertexai_v1_VoiceConfig_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.VoiceConfig getDefaultInstanceForType() {
+      return com.google.cloud.vertexai.api.VoiceConfig.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.VoiceConfig build() {
+      com.google.cloud.vertexai.api.VoiceConfig result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.VoiceConfig buildPartial() {
+      com.google.cloud.vertexai.api.VoiceConfig result =
+          new com.google.cloud.vertexai.api.VoiceConfig(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.vertexai.api.VoiceConfig result) {
+      int from_bitField0_ = bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.vertexai.api.VoiceConfig result) {
+      result.voiceConfigCase_ = voiceConfigCase_;
+      result.voiceConfig_ = this.voiceConfig_;
+      if (voiceConfigCase_ == 1 && prebuiltVoiceConfigBuilder_ != null) {
+        result.voiceConfig_ = prebuiltVoiceConfigBuilder_.build();
+      }
+      if (voiceConfigCase_ == 3 && replicatedVoiceConfigBuilder_ != null) {
+        result.voiceConfig_ = replicatedVoiceConfigBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.vertexai.api.VoiceConfig) {
+        return mergeFrom((com.google.cloud.vertexai.api.VoiceConfig) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.vertexai.api.VoiceConfig other) {
+      if (other == com.google.cloud.vertexai.api.VoiceConfig.getDefaultInstance()) return this;
+      switch (other.getVoiceConfigCase()) {
+        case PREBUILT_VOICE_CONFIG:
+          {
+            mergePrebuiltVoiceConfig(other.getPrebuiltVoiceConfig());
+            break;
+          }
+        case REPLICATED_VOICE_CONFIG:
+          {
+            mergeReplicatedVoiceConfig(other.getReplicatedVoiceConfig());
+            break;
+          }
+        case VOICECONFIG_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(
+                    internalGetPrebuiltVoiceConfigFieldBuilder().getBuilder(), extensionRegistry);
+                voiceConfigCase_ = 1;
+                break;
+              } // case 10
+            case 26:
+              {
+                input.readMessage(
+                    internalGetReplicatedVoiceConfigFieldBuilder().getBuilder(), extensionRegistry);
+                voiceConfigCase_ = 3;
+                break;
+              } // case 26
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int voiceConfigCase_ = 0;
+    private java.lang.Object voiceConfig_;
+
+    public VoiceConfigCase getVoiceConfigCase() {
+      return VoiceConfigCase.forNumber(voiceConfigCase_);
+    }
+
+    public Builder clearVoiceConfig() {
+      voiceConfigCase_ = 0;
+      voiceConfig_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.PrebuiltVoiceConfig,
+            com.google.cloud.vertexai.api.PrebuiltVoiceConfig.Builder,
+            com.google.cloud.vertexai.api.PrebuiltVoiceConfigOrBuilder>
+        prebuiltVoiceConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a prebuilt voice.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+     *
+     * @return Whether the prebuiltVoiceConfig field is set.
+     */
+    @java.lang.Override
+    public boolean hasPrebuiltVoiceConfig() {
+      return voiceConfigCase_ == 1;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a prebuilt voice.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+     *
+     * @return The prebuiltVoiceConfig.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.PrebuiltVoiceConfig getPrebuiltVoiceConfig() {
+      if (prebuiltVoiceConfigBuilder_ == null) {
+        if (voiceConfigCase_ == 1) {
+          return (com.google.cloud.vertexai.api.PrebuiltVoiceConfig) voiceConfig_;
+        }
+        return com.google.cloud.vertexai.api.PrebuiltVoiceConfig.getDefaultInstance();
+      } else {
+        if (voiceConfigCase_ == 1) {
+          return prebuiltVoiceConfigBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.PrebuiltVoiceConfig.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a prebuilt voice.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+     */
+    public Builder setPrebuiltVoiceConfig(com.google.cloud.vertexai.api.PrebuiltVoiceConfig value) {
+      if (prebuiltVoiceConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        voiceConfig_ = value;
+        onChanged();
+      } else {
+        prebuiltVoiceConfigBuilder_.setMessage(value);
+      }
+      voiceConfigCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a prebuilt voice.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+     */
+    public Builder setPrebuiltVoiceConfig(
+        com.google.cloud.vertexai.api.PrebuiltVoiceConfig.Builder builderForValue) {
+      if (prebuiltVoiceConfigBuilder_ == null) {
+        voiceConfig_ = builderForValue.build();
+        onChanged();
+      } else {
+        prebuiltVoiceConfigBuilder_.setMessage(builderForValue.build());
+      }
+      voiceConfigCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a prebuilt voice.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+     */
+    public Builder mergePrebuiltVoiceConfig(
+        com.google.cloud.vertexai.api.PrebuiltVoiceConfig value) {
+      if (prebuiltVoiceConfigBuilder_ == null) {
+        if (voiceConfigCase_ == 1
+            && voiceConfig_
+                != com.google.cloud.vertexai.api.PrebuiltVoiceConfig.getDefaultInstance()) {
+          voiceConfig_ =
+              com.google.cloud.vertexai.api.PrebuiltVoiceConfig.newBuilder(
+                      (com.google.cloud.vertexai.api.PrebuiltVoiceConfig) voiceConfig_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          voiceConfig_ = value;
+        }
+        onChanged();
+      } else {
+        if (voiceConfigCase_ == 1) {
+          prebuiltVoiceConfigBuilder_.mergeFrom(value);
+        } else {
+          prebuiltVoiceConfigBuilder_.setMessage(value);
+        }
+      }
+      voiceConfigCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a prebuilt voice.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+     */
+    public Builder clearPrebuiltVoiceConfig() {
+      if (prebuiltVoiceConfigBuilder_ == null) {
+        if (voiceConfigCase_ == 1) {
+          voiceConfigCase_ = 0;
+          voiceConfig_ = null;
+          onChanged();
+        }
+      } else {
+        if (voiceConfigCase_ == 1) {
+          voiceConfigCase_ = 0;
+          voiceConfig_ = null;
+        }
+        prebuiltVoiceConfigBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a prebuilt voice.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+     */
+    public com.google.cloud.vertexai.api.PrebuiltVoiceConfig.Builder
+        getPrebuiltVoiceConfigBuilder() {
+      return internalGetPrebuiltVoiceConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a prebuilt voice.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.PrebuiltVoiceConfigOrBuilder
+        getPrebuiltVoiceConfigOrBuilder() {
+      if ((voiceConfigCase_ == 1) && (prebuiltVoiceConfigBuilder_ != null)) {
+        return prebuiltVoiceConfigBuilder_.getMessageOrBuilder();
+      } else {
+        if (voiceConfigCase_ == 1) {
+          return (com.google.cloud.vertexai.api.PrebuiltVoiceConfig) voiceConfig_;
+        }
+        return com.google.cloud.vertexai.api.PrebuiltVoiceConfig.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * The configuration for a prebuilt voice.
+     * </pre>
+     *
+     * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.PrebuiltVoiceConfig,
+            com.google.cloud.vertexai.api.PrebuiltVoiceConfig.Builder,
+            com.google.cloud.vertexai.api.PrebuiltVoiceConfigOrBuilder>
+        internalGetPrebuiltVoiceConfigFieldBuilder() {
+      if (prebuiltVoiceConfigBuilder_ == null) {
+        if (!(voiceConfigCase_ == 1)) {
+          voiceConfig_ = com.google.cloud.vertexai.api.PrebuiltVoiceConfig.getDefaultInstance();
+        }
+        prebuiltVoiceConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.PrebuiltVoiceConfig,
+                com.google.cloud.vertexai.api.PrebuiltVoiceConfig.Builder,
+                com.google.cloud.vertexai.api.PrebuiltVoiceConfigOrBuilder>(
+                (com.google.cloud.vertexai.api.PrebuiltVoiceConfig) voiceConfig_,
+                getParentForChildren(),
+                isClean());
+        voiceConfig_ = null;
+      }
+      voiceConfigCase_ = 1;
+      onChanged();
+      return prebuiltVoiceConfigBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.ReplicatedVoiceConfig,
+            com.google.cloud.vertexai.api.ReplicatedVoiceConfig.Builder,
+            com.google.cloud.vertexai.api.ReplicatedVoiceConfigOrBuilder>
+        replicatedVoiceConfigBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for a replicated voice. This enables users to
+     * replicate a voice from an audio sample.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return Whether the replicatedVoiceConfig field is set.
+     */
+    @java.lang.Override
+    public boolean hasReplicatedVoiceConfig() {
+      return voiceConfigCase_ == 3;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for a replicated voice. This enables users to
+     * replicate a voice from an audio sample.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     *
+     * @return The replicatedVoiceConfig.
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.ReplicatedVoiceConfig getReplicatedVoiceConfig() {
+      if (replicatedVoiceConfigBuilder_ == null) {
+        if (voiceConfigCase_ == 3) {
+          return (com.google.cloud.vertexai.api.ReplicatedVoiceConfig) voiceConfig_;
+        }
+        return com.google.cloud.vertexai.api.ReplicatedVoiceConfig.getDefaultInstance();
+      } else {
+        if (voiceConfigCase_ == 3) {
+          return replicatedVoiceConfigBuilder_.getMessage();
+        }
+        return com.google.cloud.vertexai.api.ReplicatedVoiceConfig.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for a replicated voice. This enables users to
+     * replicate a voice from an audio sample.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setReplicatedVoiceConfig(
+        com.google.cloud.vertexai.api.ReplicatedVoiceConfig value) {
+      if (replicatedVoiceConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        voiceConfig_ = value;
+        onChanged();
+      } else {
+        replicatedVoiceConfigBuilder_.setMessage(value);
+      }
+      voiceConfigCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for a replicated voice. This enables users to
+     * replicate a voice from an audio sample.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder setReplicatedVoiceConfig(
+        com.google.cloud.vertexai.api.ReplicatedVoiceConfig.Builder builderForValue) {
+      if (replicatedVoiceConfigBuilder_ == null) {
+        voiceConfig_ = builderForValue.build();
+        onChanged();
+      } else {
+        replicatedVoiceConfigBuilder_.setMessage(builderForValue.build());
+      }
+      voiceConfigCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for a replicated voice. This enables users to
+     * replicate a voice from an audio sample.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder mergeReplicatedVoiceConfig(
+        com.google.cloud.vertexai.api.ReplicatedVoiceConfig value) {
+      if (replicatedVoiceConfigBuilder_ == null) {
+        if (voiceConfigCase_ == 3
+            && voiceConfig_
+                != com.google.cloud.vertexai.api.ReplicatedVoiceConfig.getDefaultInstance()) {
+          voiceConfig_ =
+              com.google.cloud.vertexai.api.ReplicatedVoiceConfig.newBuilder(
+                      (com.google.cloud.vertexai.api.ReplicatedVoiceConfig) voiceConfig_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          voiceConfig_ = value;
+        }
+        onChanged();
+      } else {
+        if (voiceConfigCase_ == 3) {
+          replicatedVoiceConfigBuilder_.mergeFrom(value);
+        } else {
+          replicatedVoiceConfigBuilder_.setMessage(value);
+        }
+      }
+      voiceConfigCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for a replicated voice. This enables users to
+     * replicate a voice from an audio sample.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public Builder clearReplicatedVoiceConfig() {
+      if (replicatedVoiceConfigBuilder_ == null) {
+        if (voiceConfigCase_ == 3) {
+          voiceConfigCase_ = 0;
+          voiceConfig_ = null;
+          onChanged();
+        }
+      } else {
+        if (voiceConfigCase_ == 3) {
+          voiceConfigCase_ = 0;
+          voiceConfig_ = null;
+        }
+        replicatedVoiceConfigBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for a replicated voice. This enables users to
+     * replicate a voice from an audio sample.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    public com.google.cloud.vertexai.api.ReplicatedVoiceConfig.Builder
+        getReplicatedVoiceConfigBuilder() {
+      return internalGetReplicatedVoiceConfigFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for a replicated voice. This enables users to
+     * replicate a voice from an audio sample.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    @java.lang.Override
+    public com.google.cloud.vertexai.api.ReplicatedVoiceConfigOrBuilder
+        getReplicatedVoiceConfigOrBuilder() {
+      if ((voiceConfigCase_ == 3) && (replicatedVoiceConfigBuilder_ != null)) {
+        return replicatedVoiceConfigBuilder_.getMessageOrBuilder();
+      } else {
+        if (voiceConfigCase_ == 3) {
+          return (com.google.cloud.vertexai.api.ReplicatedVoiceConfig) voiceConfig_;
+        }
+        return com.google.cloud.vertexai.api.ReplicatedVoiceConfig.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Optional. The configuration for a replicated voice. This enables users to
+     * replicate a voice from an audio sample.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.vertexai.api.ReplicatedVoiceConfig,
+            com.google.cloud.vertexai.api.ReplicatedVoiceConfig.Builder,
+            com.google.cloud.vertexai.api.ReplicatedVoiceConfigOrBuilder>
+        internalGetReplicatedVoiceConfigFieldBuilder() {
+      if (replicatedVoiceConfigBuilder_ == null) {
+        if (!(voiceConfigCase_ == 3)) {
+          voiceConfig_ = com.google.cloud.vertexai.api.ReplicatedVoiceConfig.getDefaultInstance();
+        }
+        replicatedVoiceConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.vertexai.api.ReplicatedVoiceConfig,
+                com.google.cloud.vertexai.api.ReplicatedVoiceConfig.Builder,
+                com.google.cloud.vertexai.api.ReplicatedVoiceConfigOrBuilder>(
+                (com.google.cloud.vertexai.api.ReplicatedVoiceConfig) voiceConfig_,
+                getParentForChildren(),
+                isClean());
+        voiceConfig_ = null;
+      }
+      voiceConfigCase_ = 3;
+      onChanged();
+      return replicatedVoiceConfigBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.VoiceConfig)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.vertexai.v1.VoiceConfig)
+  private static final com.google.cloud.vertexai.api.VoiceConfig DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.vertexai.api.VoiceConfig();
+  }
+
+  public static com.google.cloud.vertexai.api.VoiceConfig getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<VoiceConfig> PARSER =
+      new com.google.protobuf.AbstractParser<VoiceConfig>() {
+        @java.lang.Override
+        public VoiceConfig parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser<VoiceConfig> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<VoiceConfig> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.vertexai.api.VoiceConfig getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VoiceConfigOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VoiceConfigOrBuilder.java
new file mode 100644
index 000000000000..b2837d74c6ec
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VoiceConfigOrBuilder.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/vertexai/v1/content.proto
+// Protobuf Java Version: 4.33.0
+
+package com.google.cloud.vertexai.api;
+
+@com.google.protobuf.Generated
+public interface VoiceConfigOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.VoiceConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for a prebuilt voice.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+   *
+   * @return Whether the prebuiltVoiceConfig field is set.
+   */
+  boolean hasPrebuiltVoiceConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for a prebuilt voice.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+   *
+   * @return The prebuiltVoiceConfig.
+   */
+  com.google.cloud.vertexai.api.PrebuiltVoiceConfig getPrebuiltVoiceConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * The configuration for a prebuilt voice.
+   * </pre>
+   *
+   * <code>.google.cloud.vertexai.v1.PrebuiltVoiceConfig prebuilt_voice_config = 1;</code>
+   */
+  com.google.cloud.vertexai.api.PrebuiltVoiceConfigOrBuilder getPrebuiltVoiceConfigOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for a replicated voice. This enables users to
+   * replicate a voice from an audio sample.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return Whether the replicatedVoiceConfig field is set.
+   */
+  boolean hasReplicatedVoiceConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for a replicated voice. This enables users to
+   * replicate a voice from an audio sample.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   *
+   * @return The replicatedVoiceConfig.
+   */
+  com.google.cloud.vertexai.api.ReplicatedVoiceConfig getReplicatedVoiceConfig();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. The configuration for a replicated voice. This enables users to
+   * replicate a voice from an audio sample.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.vertexai.v1.ReplicatedVoiceConfig replicated_voice_config = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * </code>
+   */
+  com.google.cloud.vertexai.api.ReplicatedVoiceConfigOrBuilder getReplicatedVoiceConfigOrBuilder();
+
+  com.google.cloud.vertexai.api.VoiceConfig.VoiceConfigCase getVoiceConfigCase();
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/XraiAttribution.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/XraiAttribution.java
index 2724b4c8ea4d..40be1c0295b9 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/XraiAttribution.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/XraiAttribution.java
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
 /**
@@ -33,32 +34,37 @@
  *
  * Protobuf type {@code google.cloud.vertexai.v1.XraiAttribution}
  */
-public final class XraiAttribution extends com.google.protobuf.GeneratedMessageV3
+@com.google.protobuf.Generated
+public final class XraiAttribution extends com.google.protobuf.GeneratedMessage
     implements
     // @@protoc_insertion_point(message_implements:google.cloud.vertexai.v1.XraiAttribution)
     XraiAttributionOrBuilder {
   private static final long serialVersionUID = 0L;
 
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 0,
+        /* suffix= */ "",
+        "XraiAttribution");
+  }
+
   // Use XraiAttribution.newBuilder() to construct.
-  private XraiAttribution(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+  private XraiAttribution(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
     super(builder);
   }
 
   private XraiAttribution() {}
 
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new XraiAttribution();
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_XraiAttribution_descriptor;
   }
 
   @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internalGetFieldAccessorTable() {
     return com.google.cloud.vertexai.api.ExplanationProto
         .internal_static_google_cloud_vertexai_v1_XraiAttribution_fieldAccessorTable
@@ -357,38 +363,38 @@ public static com.google.cloud.vertexai.api.XraiAttribution parseFrom(
 
   public static com.google.cloud.vertexai.api.XraiAttribution parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.XraiAttribution parseFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.XraiAttribution parseDelimitedFrom(
       java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.XraiAttribution parseDelimitedFrom(
       java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
         PARSER, input, extensionRegistry);
   }
 
   public static com.google.cloud.vertexai.api.XraiAttribution parseFrom(
       com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
   }
 
   public static com.google.cloud.vertexai.api.XraiAttribution parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
         PARSER, input, extensionRegistry);
   }
 
@@ -411,7 +417,7 @@ public Builder toBuilder() {
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
@@ -430,7 +436,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.cloud.vertexai.v1.XraiAttribution}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder<Builder>
       implements
       // @@protoc_insertion_point(builder_implements:google.cloud.vertexai.v1.XraiAttribution)
       com.google.cloud.vertexai.api.XraiAttributionOrBuilder {
@@ -440,7 +446,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
         internalGetFieldAccessorTable() {
       return com.google.cloud.vertexai.api.ExplanationProto
           .internal_static_google_cloud_vertexai_v1_XraiAttribution_fieldAccessorTable
@@ -454,15 +460,15 @@ private Builder() {
       maybeForceBuilderInitialization();
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       super(parent);
       maybeForceBuilderInitialization();
     }
 
     private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
-        getSmoothGradConfigFieldBuilder();
-        getBlurBaselineConfigFieldBuilder();
+      if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetSmoothGradConfigFieldBuilder();
+        internalGetBlurBaselineConfigFieldBuilder();
       }
     }
 
@@ -536,39 +542,6 @@ private void buildPartial0(com.google.cloud.vertexai.api.XraiAttribution result)
       result.bitField0_ |= to_bitField0_;
     }
 
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
-    }
-
-    @java.lang.Override
-    public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.cloud.vertexai.api.XraiAttribution) {
@@ -625,14 +598,14 @@ public Builder mergeFrom(
             case 18:
               {
                 input.readMessage(
-                    getSmoothGradConfigFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetSmoothGradConfigFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000002;
                 break;
               } // case 18
             case 26:
               {
                 input.readMessage(
-                    getBlurBaselineConfigFieldBuilder().getBuilder(), extensionRegistry);
+                    internalGetBlurBaselineConfigFieldBuilder().getBuilder(), extensionRegistry);
                 bitField0_ |= 0x00000004;
                 break;
               } // case 26
@@ -724,7 +697,7 @@ public Builder clearStepCount() {
     }
 
     private com.google.cloud.vertexai.api.SmoothGradConfig smoothGradConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.SmoothGradConfig,
             com.google.cloud.vertexai.api.SmoothGradConfig.Builder,
             com.google.cloud.vertexai.api.SmoothGradConfigOrBuilder>
@@ -906,7 +879,7 @@ public Builder clearSmoothGradConfig() {
     public com.google.cloud.vertexai.api.SmoothGradConfig.Builder getSmoothGradConfigBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
-      return getSmoothGradConfigFieldBuilder().getBuilder();
+      return internalGetSmoothGradConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -947,14 +920,14 @@ public com.google.cloud.vertexai.api.SmoothGradConfigOrBuilder getSmoothGradConf
      *
      * <code>.google.cloud.vertexai.v1.SmoothGradConfig smooth_grad_config = 2;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.SmoothGradConfig,
             com.google.cloud.vertexai.api.SmoothGradConfig.Builder,
             com.google.cloud.vertexai.api.SmoothGradConfigOrBuilder>
-        getSmoothGradConfigFieldBuilder() {
+        internalGetSmoothGradConfigFieldBuilder() {
       if (smoothGradConfigBuilder_ == null) {
         smoothGradConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.SmoothGradConfig,
                 com.google.cloud.vertexai.api.SmoothGradConfig.Builder,
                 com.google.cloud.vertexai.api.SmoothGradConfigOrBuilder>(
@@ -965,7 +938,7 @@ public com.google.cloud.vertexai.api.SmoothGradConfigOrBuilder getSmoothGradConf
     }
 
     private com.google.cloud.vertexai.api.BlurBaselineConfig blurBaselineConfig_;
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.BlurBaselineConfig,
             com.google.cloud.vertexai.api.BlurBaselineConfig.Builder,
             com.google.cloud.vertexai.api.BlurBaselineConfigOrBuilder>
@@ -1147,7 +1120,7 @@ public Builder clearBlurBaselineConfig() {
     public com.google.cloud.vertexai.api.BlurBaselineConfig.Builder getBlurBaselineConfigBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
-      return getBlurBaselineConfigFieldBuilder().getBuilder();
+      return internalGetBlurBaselineConfigFieldBuilder().getBuilder();
     }
 
     /**
@@ -1189,14 +1162,14 @@ public com.google.cloud.vertexai.api.BlurBaselineConfig.Builder getBlurBaselineC
      *
      * <code>.google.cloud.vertexai.v1.BlurBaselineConfig blur_baseline_config = 3;</code>
      */
-    private com.google.protobuf.SingleFieldBuilderV3<
+    private com.google.protobuf.SingleFieldBuilder<
             com.google.cloud.vertexai.api.BlurBaselineConfig,
             com.google.cloud.vertexai.api.BlurBaselineConfig.Builder,
             com.google.cloud.vertexai.api.BlurBaselineConfigOrBuilder>
-        getBlurBaselineConfigFieldBuilder() {
+        internalGetBlurBaselineConfigFieldBuilder() {
       if (blurBaselineConfigBuilder_ == null) {
         blurBaselineConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
+            new com.google.protobuf.SingleFieldBuilder<
                 com.google.cloud.vertexai.api.BlurBaselineConfig,
                 com.google.cloud.vertexai.api.BlurBaselineConfig.Builder,
                 com.google.cloud.vertexai.api.BlurBaselineConfigOrBuilder>(
@@ -1206,17 +1179,6 @@ public com.google.cloud.vertexai.api.BlurBaselineConfig.Builder getBlurBaselineC
       return blurBaselineConfigBuilder_;
     }
 
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
     // @@protoc_insertion_point(builder_scope:google.cloud.vertexai.v1.XraiAttribution)
   }
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/XraiAttributionOrBuilder.java b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/XraiAttributionOrBuilder.java
index e93c1f159acf..7cacd73843ea 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/XraiAttributionOrBuilder.java
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/XraiAttributionOrBuilder.java
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
 // source: google/cloud/vertexai/v1/explanation.proto
+// Protobuf Java Version: 4.33.0
 
-// Protobuf Java Version: 3.25.3
 package com.google.cloud.vertexai.api;
 
+@com.google.protobuf.Generated
 public interface XraiAttributionOrBuilder
     extends
     // @@protoc_insertion_point(interface_extends:google.cloud.vertexai.v1.XraiAttribution)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/accelerator_type.proto b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/accelerator_type.proto
index 85f5b71fa9b9..d65c6015795e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/accelerator_type.proto
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/accelerator_type.proto
@@ -60,6 +60,18 @@ enum AcceleratorType {
   // Nvidia H100 Mega 80Gb GPU.
   NVIDIA_H100_MEGA_80GB = 14;
 
+  // Nvidia H200 141Gb GPU.
+  NVIDIA_H200_141GB = 15;
+
+  // Nvidia B200 GPU.
+  NVIDIA_B200 = 16;
+
+  // Nvidia GB200 GPU.
+  NVIDIA_GB200 = 17;
+
+  // Nvidia RTX Pro 6000 GPU.
+  NVIDIA_RTX_PRO_6000 = 18;
+
   // TPU v2.
   TPU_V2 = 6;
 
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/cached_content.proto b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/cached_content.proto
index 593875bfe33d..35202e44e08b 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/cached_content.proto
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/cached_content.proto
@@ -19,6 +19,7 @@ package google.cloud.vertexai.v1;
 import "google/api/field_behavior.proto";
 import "google/api/resource.proto";
 import "google/cloud/vertexai/v1/content.proto";
+import "google/cloud/vertexai/v1/encryption_spec.proto";
 import "google/cloud/vertexai/v1/tool.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/timestamp.proto";
@@ -87,9 +88,9 @@ message CachedContent {
     (google.api.field_behavior) = IMMUTABLE
   ];
 
-  // Immutable. The name of the publisher model to use for cached content.
-  // Format:
-  // projects/{project}/locations/{location}/publishers/{publisher}/models/{model}
+  // Immutable. The name of the `Model` to use for cached content. Currently,
+  // only the published Gemini base models are supported, in form of
+  // projects/{PROJECT}/locations/{LOCATION}/publishers/google/models/{MODEL}
   string model = 2 [(google.api.field_behavior) = IMMUTABLE];
 
   // Optional. Input only. Immutable. Developer set system instruction.
@@ -123,7 +124,7 @@ message CachedContent {
     (google.api.field_behavior) = INPUT_ONLY
   ];
 
-  // Output only. Creatation time of the cache entry.
+  // Output only. Creation time of the cache entry.
   google.protobuf.Timestamp create_time = 7
       [(google.api.field_behavior) = OUTPUT_ONLY];
 
@@ -133,4 +134,12 @@ message CachedContent {
 
   // Output only. Metadata on the usage of the cached content.
   UsageMetadata usage_metadata = 12 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Input only. Immutable. Customer-managed encryption key spec for a
+  // `CachedContent`. If set, this `CachedContent` and all its sub-resources
+  // will be secured by this key.
+  EncryptionSpec encryption_spec = 13 [
+    (google.api.field_behavior) = INPUT_ONLY,
+    (google.api.field_behavior) = IMMUTABLE
+  ];
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/content.proto b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/content.proto
index d04e720c08da..f3480fe29141 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/content.proto
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/content.proto
@@ -17,9 +17,12 @@ syntax = "proto3";
 package google.cloud.vertexai.v1;
 
 import "google/api/field_behavior.proto";
+import "google/api/resource.proto";
 import "google/cloud/vertexai/v1/openapi.proto";
 import "google/cloud/vertexai/v1/tool.proto";
+import "google/cloud/vertexai/v1/vertex_rag_data.proto";
 import "google/protobuf/duration.proto";
+import "google/protobuf/struct.proto";
 import "google/type/date.proto";
 
 option csharp_namespace = "Google.Cloud.AIPlatform.V1";
@@ -29,6 +32,10 @@ option java_outer_classname = "ContentProto";
 option java_package = "com.google.cloud.vertexai.api";
 option php_namespace = "Google\\Cloud\\AIPlatform\\V1";
 option ruby_package = "Google::Cloud::AIPlatform::V1";
+option (google.api.resource_definition) = {
+  type: "modelarmor.googleapis.com/Template"
+  pattern: "projects/{project}/locations/{location}/templates/{template}"
+};
 
 // Harm categories that will block the content.
 enum HarmCategory {
@@ -47,8 +54,12 @@ enum HarmCategory {
   // The harm category is sexually explicit content.
   HARM_CATEGORY_SEXUALLY_EXPLICIT = 4;
 
+  // Deprecated: Election filter is not longer supported.
   // The harm category is civic integrity.
-  HARM_CATEGORY_CIVIC_INTEGRITY = 5;
+  HARM_CATEGORY_CIVIC_INTEGRITY = 5 [deprecated = true];
+
+  // The harm category is for jailbreak prompts.
+  HARM_CATEGORY_JAILBREAK = 6;
 }
 
 // Content Part modality
@@ -127,6 +138,13 @@ message Part {
         [(google.api.field_behavior) = OPTIONAL];
   }
 
+  // Indicates if the part is thought from the model.
+  bool thought = 10 [(google.api.field_behavior) = OPTIONAL];
+
+  // An opaque signature for the thought so it can be reused in subsequent
+  // requests.
+  bytes thought_signature = 11 [(google.api.field_behavior) = OPTIONAL];
+
   oneof metadata {
     // Optional. Video metadata. The metadata should only be specified while the
     // video data is presented in inline_data or file_data.
@@ -166,6 +184,84 @@ message VideoMetadata {
       [(google.api.field_behavior) = OPTIONAL];
 }
 
+// Configuration for a prebuilt voice.
+message PrebuiltVoiceConfig {
+  // The name of the prebuilt voice to use.
+  optional string voice_name = 1;
+}
+
+// The configuration for the replicated voice to use.
+message ReplicatedVoiceConfig {
+  // Optional. The mimetype of the voice sample. The only currently supported
+  // value is `audio/wav`. This represents 16-bit signed little-endian wav data,
+  // with a 24kHz sampling rate. `mime_type` will default to `audio/wav` if not
+  // set.
+  string mime_type = 1 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The sample of the custom voice.
+  bytes voice_sample_audio = 2 [(google.api.field_behavior) = OPTIONAL];
+}
+
+
+// Configuration for a voice.
+message VoiceConfig {
+  // The configuration for the speaker to use.
+  oneof voice_config {
+    // The configuration for a prebuilt voice.
+    PrebuiltVoiceConfig prebuilt_voice_config = 1;
+
+    // Optional. The configuration for a replicated voice. This enables users to
+    // replicate a voice from an audio sample.
+    ReplicatedVoiceConfig replicated_voice_config = 3
+        [(google.api.field_behavior) = OPTIONAL];
+  }
+}
+
+// Configuration for a single speaker in a multi-speaker setup.
+message SpeakerVoiceConfig {
+  // Required. The name of the speaker. This should be the same as the speaker
+  // name used in the prompt.
+  string speaker = 1 [(google.api.field_behavior) = REQUIRED];
+
+  // Required. The configuration for the voice of this speaker.
+  VoiceConfig voice_config = 2 [(google.api.field_behavior) = REQUIRED];
+}
+
+// Configuration for a multi-speaker text-to-speech request.
+message MultiSpeakerVoiceConfig {
+  // Required. A list of configurations for the voices of the speakers. Exactly
+  // two speaker voice configurations must be provided.
+  repeated SpeakerVoiceConfig speaker_voice_configs = 2
+      [(google.api.field_behavior) = REQUIRED];
+}
+
+// Configuration for speech generation.
+message SpeechConfig {
+  // The configuration for the voice to use.
+  VoiceConfig voice_config = 1;
+
+  // Optional. The language code (ISO 639-1) for the speech synthesis.
+  string language_code = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // The configuration for a multi-speaker text-to-speech request.
+  // This field is mutually exclusive with `voice_config`.
+  MultiSpeakerVoiceConfig multi_speaker_voice_config = 3;
+}
+
+// Config for image generation features.
+message ImageConfig {
+  // Optional. The desired aspect ratio for the generated images. The following
+  // aspect ratios are supported:
+  //
+  // "1:1"
+  // "2:3", "3:2"
+  // "3:4", "4:3"
+  // "4:5", "5:4"
+  // "9:16", "16:9"
+  // "21:9"
+  optional string aspect_ratio = 2 [(google.api.field_behavior) = OPTIONAL];
+}
+
 // Generation config.
 message GenerationConfig {
   // The configuration for routing the request to a specific model.
@@ -210,6 +306,17 @@ message GenerationConfig {
     }
   }
 
+  // Config for thinking features.
+  message ThinkingConfig {
+    // Indicates whether to include thoughts in the response.
+    // If true, thoughts are returned only when available.
+    optional bool include_thoughts = 1 [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. Indicates the thinking budget in tokens.
+    // This is only applied when enable_thinking is true.
+    optional int32 thinking_budget = 3 [(google.api.field_behavior) = OPTIONAL];
+  }
+
   // Optional. Controls the randomness of predictions.
   optional float temperature = 1 [(google.api.field_behavior) = OPTIONAL];
 
@@ -261,9 +368,61 @@ message GenerationConfig {
   // `application/json`: Schema for JSON response.
   optional Schema response_schema = 16 [(google.api.field_behavior) = OPTIONAL];
 
+  // Optional. Output schema of the generated response. This is an alternative
+  // to `response_schema` that accepts [JSON Schema](https://json-schema.org/).
+  //
+  // If set, `response_schema` must be omitted, but `response_mime_type` is
+  // required.
+  //
+  // While the full JSON Schema may be sent, not all features are supported.
+  // Specifically, only the following properties are supported:
+  //
+  // - `$id`
+  // - `$defs`
+  // - `$ref`
+  // - `$anchor`
+  // - `type`
+  // - `format`
+  // - `title`
+  // - `description`
+  // - `enum` (for strings and numbers)
+  // - `items`
+  // - `prefixItems`
+  // - `minItems`
+  // - `maxItems`
+  // - `minimum`
+  // - `maximum`
+  // - `anyOf`
+  // - `oneOf` (interpreted the same as `anyOf`)
+  // - `properties`
+  // - `additionalProperties`
+  // - `required`
+  //
+  // The non-standard `propertyOrdering` property may also be set.
+  //
+  // Cyclic references are unrolled to a limited degree and, as such, may only
+  // be used within non-required properties. (Nullable properties are not
+  // sufficient.) If `$ref` is set on a sub-schema, no other properties, except
+  // for than those starting as a `$`, may be set.
+  optional google.protobuf.Value response_json_schema = 28
+      [(google.api.field_behavior) = OPTIONAL];
+
   // Optional. Routing configuration.
   optional RoutingConfig routing_config = 17
       [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The speech generation config.
+  optional SpeechConfig speech_config = 23
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Config for thinking features.
+  // An error will be returned if this field is set for models that don't
+  // support thinking.
+  ThinkingConfig thinking_config = 25 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Config for image generation features.
+  optional ImageConfig image_config = 30
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Safety settings.
@@ -438,6 +597,9 @@ message Candidate {
 
     // The function call generated by the model is invalid.
     MALFORMED_FUNCTION_CALL = 9;
+
+    // The model response was blocked by Model Armor.
+    MODEL_ARMOR = 10;
   }
 
   // Output only. Index of the candidate.
@@ -478,6 +640,38 @@ message Candidate {
   // Output only. Metadata specifies sources used to ground generated content.
   GroundingMetadata grounding_metadata = 7
       [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Metadata related to url context retrieval tool.
+  UrlContextMetadata url_context_metadata = 11
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+}
+
+// Metadata related to url context retrieval tool.
+message UrlContextMetadata {
+  // Output only. List of url context.
+  repeated UrlMetadata url_metadata = 1
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+}
+
+// Context of the a single url retrieval.
+message UrlMetadata {
+  // Status of the url retrieval.
+  enum UrlRetrievalStatus {
+    // Default value. This value is unused.
+    URL_RETRIEVAL_STATUS_UNSPECIFIED = 0;
+
+    // Url retrieval is successful.
+    URL_RETRIEVAL_STATUS_SUCCESS = 1;
+
+    // Url retrieval is failed due to error.
+    URL_RETRIEVAL_STATUS_ERROR = 2;
+  }
+
+  // Retrieved url by the tool.
+  string retrieved_url = 1;
+
+  // Status of the url retrieval.
+  UrlRetrievalStatus url_retrieval_status = 2;
 }
 
 // Logprobs Result
@@ -538,6 +732,13 @@ message GroundingChunk {
 
   // Chunk from context retrieved by the retrieval tools.
   message RetrievedContext {
+    // Tool-specific details about the retrieved context.
+    oneof context_details {
+      // Additional context for the RAG retrieval result. This is only populated
+      // when using the RAG retrieval tool.
+      RagChunk rag_chunk = 4;
+    }
+
     // URI reference of the attribution.
     optional string uri = 1;
 
@@ -546,6 +747,48 @@ message GroundingChunk {
 
     // Text of the attribution.
     optional string text = 3;
+
+    // Output only. The full document name for the referenced Vertex AI Search
+    // document.
+    optional string document_name = 6
+        [(google.api.field_behavior) = OUTPUT_ONLY];
+  }
+
+  // Chunk from Google Maps.
+  message Maps {
+    message PlaceAnswerSources {
+      // Encapsulates a review snippet.
+      message ReviewSnippet {
+        // Id of the review referencing the place.
+        string review_id = 1;
+
+        // A link to show the review on Google Maps.
+        string google_maps_uri = 2;
+
+        // Title of the review.
+        string title = 3;
+      }
+
+      // Snippets of reviews that are used to generate the answer.
+      repeated ReviewSnippet review_snippets = 1;
+    }
+    // URI reference of the chunk.
+    optional string uri = 1;
+
+    // Title of the chunk.
+    optional string title = 2;
+
+    // Text of the chunk.
+    optional string text = 3;
+
+    // This Place's resource name, in `places/{place_id}` format.  Can be used
+    // to look up the Place.
+    optional string place_id = 4;
+
+    // Sources used to generate the place answer.
+    // This includes review snippets and photos that were used to generate the
+    // answer, as well as uris to flag content.
+    PlaceAnswerSources place_answer_sources = 5;
   }
 
   // Chunk type.
@@ -555,6 +798,9 @@ message GroundingChunk {
 
     // Grounding chunk from context retrieved by the retrieval tools.
     RetrievedContext retrieved_context = 2;
+
+    // Grounding chunk from Google Maps.
+    Maps maps = 3;
   }
 }
 
@@ -597,6 +843,31 @@ message GroundingMetadata {
     (google.api.field_behavior) = OPTIONAL,
     (google.api.field_behavior) = OUTPUT_ONLY
   ];
+
+  // Optional. Output only. Resource name of the Google Maps widget context
+  // token to be used with the PlacesContextElement widget to render contextual
+  // data. This is populated only for Google Maps grounding.
+  optional string google_maps_widget_context_token = 8 [
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.field_behavior) = OUTPUT_ONLY
+  ];
+
+  // Source content flagging uri for a place or review. This is currently
+  // populated only for Google Maps grounding.
+  message SourceFlaggingUri {
+    // Id of the place or review.
+    string source_id = 1;
+
+    // A link where users can flag a problem with the source (place or review).
+    // (-- The link is generated by Google and it does not contain
+    // information from the user query. It may contain information of the
+    // content it is flagging, which can be used to identify places. --)
+    string flag_content_uri = 2;
+  }
+
+  // List of source flagging uris. This is currently populated only for Google
+  // Maps grounding.
+  repeated SourceFlaggingUri source_flagging_uris = 9;
 }
 
 // Google search entry point.
@@ -621,6 +892,27 @@ message RetrievalMetadata {
       [(google.api.field_behavior) = OPTIONAL];
 }
 
+// Configuration for Model Armor integrations of prompt and responses.
+message ModelArmorConfig {
+  // Optional. The name of the Model Armor template to use for prompt
+  // sanitization.
+  string prompt_template_name = 1 [
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.resource_reference) = {
+      type: "modelarmor.googleapis.com/Template"
+    }
+  ];
+
+  // Optional. The name of the Model Armor template to use for response
+  // sanitization.
+  string response_template_name = 2 [
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.resource_reference) = {
+      type: "modelarmor.googleapis.com/Template"
+    }
+  ];
+}
+
 // Represents token counting info for a single modality.
 message ModalityTokenCount {
   // The modality associated with this token count.
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/deployment_stage.proto b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/deployment_stage.proto
new file mode 100644
index 000000000000..32742d04a8f4
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/deployment_stage.proto
@@ -0,0 +1,61 @@
+// Copyright 2025 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.cloud.vertexai.v1;
+
+option csharp_namespace = "Google.Cloud.AIPlatform.V1";
+option go_package = "cloud.google.com/go/aiplatform/apiv1/aiplatformpb;aiplatformpb";
+option java_multiple_files = true;
+option java_outer_classname = "DeploymentStageProto";
+option java_package = "com.google.cloud.vertexai.api";
+option php_namespace = "Google\\Cloud\\AIPlatform\\V1";
+option ruby_package = "Google::Cloud::AIPlatform::V1";
+
+// Stage field indicating the current progress of a deployment.
+enum DeploymentStage {
+  // Default value. This value is unused.
+  DEPLOYMENT_STAGE_UNSPECIFIED = 0;
+
+  // The deployment is initializing and setting up the environment.
+  STARTING_DEPLOYMENT = 5;
+
+  // The deployment is preparing the model assets.
+  PREPARING_MODEL = 6;
+
+  // The deployment is creating the underlying serving cluster.
+  CREATING_SERVING_CLUSTER = 7;
+
+  // The deployment is adding nodes to the serving cluster.
+  ADDING_NODES_TO_CLUSTER = 8;
+
+  // The deployment is getting the container image for the model server.
+  GETTING_CONTAINER_IMAGE = 9;
+
+  // The deployment is starting the model server.
+  STARTING_MODEL_SERVER = 3;
+
+  // The deployment is performing finalization steps.
+  FINISHING_UP = 4;
+
+  // The deployment has terminated.
+  DEPLOYMENT_TERMINATED = 10;
+
+  // The deployment has succeeded.
+  SUCCESSFULLY_DEPLOYED = 11;
+
+  // The deployment has failed.
+  FAILED_TO_DEPLOY = 12;
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/endpoint.proto b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/endpoint.proto
index dbf61ce5021c..3c2fd0b6fd50 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/endpoint.proto
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/endpoint.proto
@@ -162,9 +162,10 @@ message Endpoint {
   bool dedicated_endpoint_enabled = 24;
 
   // Output only. DNS of the dedicated endpoint. Will only be populated if
-  // dedicated_endpoint_enabled is true.
-  // Format:
-  // `https://{endpoint_id}.{region}-{project_number}.prediction.vertexai.goog`.
+  // dedicated_endpoint_enabled is true. Depending on the features enabled, uid
+  // might be a random number or a string. For example, if fast_tryout is
+  // enabled, uid will be fasttryout. Format:
+  // `https://{endpoint_id}.{region}-{uid}.prediction.vertexai.goog`.
   string dedicated_endpoint_dns = 25
       [(google.api.field_behavior) = OUTPUT_ONLY];
 
@@ -176,6 +177,15 @@ message Endpoint {
 
   // Output only. Reserved for future use.
   bool satisfies_pzi = 28 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Optional. Configuration for GenAiAdvancedFeatures. If the endpoint is
+  // serving GenAI models, advanced features like native RAG integration can be
+  // configured. Currently, only Model Garden models are supported.
+  GenAiAdvancedFeaturesConfig gen_ai_advanced_features_config = 29
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // If true, the model server will be isolated from the external internet.
+  bool private_model_server_enabled = 30;
 }
 
 // A deployment of a Model. Endpoints contain one or more DeployedModels.
@@ -223,9 +233,8 @@ message DeployedModel {
   // This value should be 1-10 characters, and valid characters are `/[0-9]/`.
   string id = 1 [(google.api.field_behavior) = IMMUTABLE];
 
-  // Required. The resource name of the Model that this is the deployment of.
-  // Note that the Model may be in a different location than the DeployedModel's
-  // Endpoint.
+  // The resource name of the Model that this is the deployment of. Note that
+  // the Model may be in a different location than the DeployedModel's Endpoint.
   //
   // The resource name may contain version id or version alias to specify the
   // version.
@@ -233,12 +242,9 @@ message DeployedModel {
   //              or
   //            `projects/{project}/locations/{location}/models/{model}@golden`
   // if no version is specified, the default version will be deployed.
-  string model = 2 [
-    (google.api.field_behavior) = REQUIRED,
-    (google.api.resource_reference) = {
-      type: "aiplatform.googleapis.com/Model"
-    }
-  ];
+  string model = 2 [(google.api.resource_reference) = {
+    type: "aiplatform.googleapis.com/Model"
+  }];
 
   // Output only. The version ID of the model that is deployed.
   string model_version_id = 18 [(google.api.field_behavior) = OUTPUT_ONLY];
@@ -322,6 +328,9 @@ message DeployedModel {
   // System labels are managed by Google for internal use only.
   map<string, string> system_labels = 28;
 
+  // The checkpoint id of the model.
+  string checkpoint_id = 29;
+
   // Optional. Spec for configuring speculative decoding.
   SpeculativeDecodingSpec speculative_decoding_spec = 30
       [(google.api.field_behavior) = OPTIONAL];
@@ -377,6 +386,20 @@ message FasterDeploymentConfig {
   bool fast_tryout_enabled = 2;
 }
 
+// Configuration for GenAiAdvancedFeatures.
+message GenAiAdvancedFeaturesConfig {
+  // Configuration for Retrieval Augmented Generation feature.
+  message RagConfig {
+    // If true, enable Retrieval Augmented Generation in ChatCompletion request.
+    // Once enabled, the endpoint will be identified as GenAI endpoint and
+    // Arthedain router will be used.
+    bool enable_rag = 1;
+  }
+
+  // Configuration for Retrieval Augmented Generation feature.
+  RagConfig rag_config = 1;
+}
+
 // Configuration for Speculative Decoding.
 message SpeculativeDecodingSpec {
   // Draft model speculation works by using the smaller model to generate
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/endpoint_service.proto b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/endpoint_service.proto
index 06dd106c1481..c33c12ff9154 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/endpoint_service.proto
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/endpoint_service.proto
@@ -20,6 +20,7 @@ import "google/api/annotations.proto";
 import "google/api/client.proto";
 import "google/api/field_behavior.proto";
 import "google/api/resource.proto";
+import "google/cloud/vertexai/v1/deployment_stage.proto";
 import "google/cloud/vertexai/v1/endpoint.proto";
 import "google/cloud/vertexai/v1/operation.proto";
 import "google/longrunning/operations.proto";
@@ -138,9 +139,9 @@ service EndpointService {
   }
 
   // Updates an existing deployed model. Updatable fields include
-  // `min_replica_count`, `max_replica_count`, `autoscaling_metric_specs`,
-  // `disable_container_logging` (v1 only), and `enable_container_logging`
-  // (v1beta1 only).
+  // `min_replica_count`, `max_replica_count`, `required_replica_count`,
+  // `autoscaling_metric_specs`, `disable_container_logging` (v1 only), and
+  // `enable_container_logging` (v1beta1 only).
   rpc MutateDeployedModel(MutateDeployedModelRequest)
       returns (google.longrunning.Operation) {
     option (google.api.http) = {
@@ -193,6 +194,11 @@ message CreateEndpointRequest {
 message CreateEndpointOperationMetadata {
   // The operation generic information.
   GenericOperationMetadata generic_metadata = 1;
+
+  // Output only. The deployment stage of the model. Only populated if this
+  // CreateEndpoint request deploys a model at the same time.
+  DeploymentStage deployment_stage = 2
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
 // Request message for
@@ -372,6 +378,10 @@ message DeployModelResponse {
 message DeployModelOperationMetadata {
   // The operation generic information.
   GenericOperationMetadata generic_metadata = 1;
+
+  // Output only. The deployment stage of the model.
+  DeploymentStage deployment_stage = 2
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
 // Request message for
@@ -433,6 +443,8 @@ message MutateDeployedModelRequest {
   // * `max_replica_count` in either
   // [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources] or
   // [AutomaticResources][google.cloud.aiplatform.v1.AutomaticResources]
+  // * `required_replica_count` in
+  // [DedicatedResources][google.cloud.aiplatform.v1.DedicatedResources]
   // * [autoscaling_metric_specs][google.cloud.aiplatform.v1.DedicatedResources.autoscaling_metric_specs]
   // * `disable_container_logging` (v1 only)
   // * `enable_container_logging` (v1beta1 only)
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/machine_resources.proto b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/machine_resources.proto
index 6d45524799f6..08c75e7bbe0e 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/machine_resources.proto
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/machine_resources.proto
@@ -54,6 +54,25 @@ message MachineSpec {
   // The number of accelerators to attach to the machine.
   int32 accelerator_count = 3;
 
+  // Optional. Immutable. The Nvidia GPU partition size.
+  //
+  // When specified, the requested accelerators will be partitioned into
+  // smaller GPU partitions. For example, if the request is for 8 units of
+  // NVIDIA A100 GPUs, and gpu_partition_size="1g.10gb", the service will
+  // create 8 * 7 = 56 partitioned MIG instances.
+  //
+  // The partition size must be a value supported by the requested accelerator.
+  // Refer to
+  // [Nvidia GPU
+  // Partitioning](https://cloud.google.com/kubernetes-engine/docs/how-to/gpus-multi#multi-instance_gpu_partitions)
+  // for the available partition sizes.
+  //
+  // If set, the accelerator_count should be set to 1.
+  string gpu_partition_size = 7 [
+    (google.api.field_behavior) = IMMUTABLE,
+    (google.api.field_behavior) = OPTIONAL
+  ];
+
   // Immutable. The topology of the TPUs. Corresponds to the TPU topologies
   // available from GKE. (Example: tpu_topology: "2x2x1").
   string tpu_topology = 4 [(google.api.field_behavior) = IMMUTABLE];
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/openapi.proto b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/openapi.proto
index f7f6f7a1845d..253a3d4a5fd0 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/openapi.proto
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/openapi.proto
@@ -141,4 +141,36 @@ message Schema {
   // Optional. The value should be validated against any (one or more) of the
   // subschemas in the list.
   repeated Schema any_of = 11 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Can either be a boolean or an object; controls the presence of
+  // additional properties.
+  google.protobuf.Value additional_properties = 26
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Allows indirect references between schema nodes. The value should
+  // be a valid reference to a child of the root `defs`.
+  //
+  // For example, the following schema defines a reference to a schema node
+  // named "Pet":
+  //
+  // type: object
+  // properties:
+  //   pet:
+  //     ref: #/defs/Pet
+  // defs:
+  //   Pet:
+  //     type: object
+  //     properties:
+  //       name:
+  //         type: string
+  //
+  // The value of the "pet" property is a reference to the schema node
+  // named "Pet".
+  // See details in
+  // https://json-schema.org/understanding-json-schema/structuring
+  string ref = 27 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. A map of definitions for use by `ref`
+  // Only allowed at the root of the schema.
+  map<string, Schema> defs = 28 [(google.api.field_behavior) = OPTIONAL];
 }
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/prediction_service.proto b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/prediction_service.proto
index c05c2760b9a2..a94803873ba8 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/prediction_service.proto
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/prediction_service.proto
@@ -25,6 +25,7 @@ import "google/cloud/vertexai/v1/content.proto";
 import "google/cloud/vertexai/v1/explanation.proto";
 import "google/cloud/vertexai/v1/tool.proto";
 import "google/cloud/vertexai/v1/types.proto";
+import "google/cloud/vertexai/v1/usage_metadata.proto";
 import "google/protobuf/struct.proto";
 import "google/protobuf/timestamp.proto";
 
@@ -208,6 +209,15 @@ service PredictionService {
     };
     option (google.api.method_signature) = "model,contents";
   }
+
+  // Embed content with multimodal inputs.
+  rpc EmbedContent(EmbedContentRequest) returns (EmbedContentResponse) {
+    option (google.api.http) = {
+      post: "/v1/{model=projects/*/locations/*/publishers/*/models/*}:embedContent"
+      body: "*"
+    };
+    option (google.api.method_signature) = "model,content";
+  }
 }
 
 // Request message for
@@ -241,6 +251,10 @@ message PredictRequest {
   // [PredictSchemata's][google.cloud.aiplatform.v1.Model.predict_schemata]
   // [parameters_schema_uri][google.cloud.aiplatform.v1.PredictSchemata.parameters_schema_uri].
   google.protobuf.Value parameters = 3;
+
+  // Optional. The user labels for Imagen billing usage only. Only Imagen
+  // supports labels. For other use cases, it will be ignored.
+  map<string, string> labels = 4 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Response message for
@@ -738,6 +752,11 @@ message GenerateContentRequest {
   repeated SafetySetting safety_settings = 3
       [(google.api.field_behavior) = OPTIONAL];
 
+  // Optional. Settings for prompt and response sanitization using the Model
+  // Armor service. If supplied, safety_settings must not be supplied.
+  ModelArmorConfig model_armor_config = 11
+      [(google.api.field_behavior) = OPTIONAL];
+
   // Optional. Generation config.
   GenerationConfig generation_config = 4
       [(google.api.field_behavior) = OPTIONAL];
@@ -764,6 +783,12 @@ message GenerateContentResponse {
 
       // Candidates blocked due to prohibited content.
       PROHIBITED_CONTENT = 4;
+
+      // The user prompt was blocked by Model Armor.
+      MODEL_ARMOR = 5;
+
+      // The user prompt was blocked due to jailbreak.
+      JAILBREAK = 6;
     }
 
     // Output only. Blocked reason.
@@ -787,6 +812,9 @@ message GenerateContentResponse {
     // Number of tokens in the response(s).
     int32 candidates_token_count = 2;
 
+    // Output only. Number of tokens present in thoughts output.
+    int32 thoughts_token_count = 14 [(google.api.field_behavior) = OUTPUT_ONLY];
+
     // Total token count for prompt and response candidates.
     int32 total_token_count = 3;
 
@@ -832,3 +860,82 @@ message GenerateContentResponse {
   // Usage metadata about the response(s).
   UsageMetadata usage_metadata = 4;
 }
+
+// Request message for
+// [PredictionService.EmbedContent][google.cloud.aiplatform.v1.PredictionService.EmbedContent].
+message EmbedContentRequest {
+  // Represents a downstream task the embeddings will be used for.
+  enum EmbeddingTaskType {
+    // Unset value, which will default to one of the other enum values.
+    UNSPECIFIED = 0;
+
+    // Specifies the given text is a query in a search/retrieval setting.
+    RETRIEVAL_QUERY = 2;
+
+    // Specifies the given text is a document from the corpus being searched.
+    RETRIEVAL_DOCUMENT = 3;
+
+    // Specifies the given text will be used for STS.
+    SEMANTIC_SIMILARITY = 4;
+
+    // Specifies that the given text will be classified.
+    CLASSIFICATION = 5;
+
+    // Specifies that the embeddings will be used for clustering.
+    CLUSTERING = 6;
+
+    // Specifies that the embeddings will be used for question answering.
+    QUESTION_ANSWERING = 7;
+
+    // Specifies that the embeddings will be used for fact verification.
+    FACT_VERIFICATION = 8;
+
+    // Specifies that the embeddings will be used for code retrieval.
+    CODE_RETRIEVAL_QUERY = 9;
+  }
+
+  // Required. The name of the publisher model requested to serve the
+  // prediction. Format:
+  // `projects/{project}/locations/{location}/publishers/*/models/*`
+  optional string model = 1 [(google.api.resource_reference) = {
+    type: "aiplatform.googleapis.com/Endpoint"
+  }];
+
+  // Required. Input content to be embedded. Required.
+  optional Content content = 2;
+
+  // Optional. An optional title for the text.
+  optional string title = 4 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The task type of the embedding.
+  optional EmbeddingTaskType task_type = 5
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Optional reduced dimension for the output embedding. If set,
+  // excessive values in the output embedding are truncated from the end.
+  optional int32 output_dimensionality = 6
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Whether to silently truncate the input content if it's longer
+  // than the maximum sequence length.
+  optional bool auto_truncate = 7 [(google.api.field_behavior) = OPTIONAL];
+}
+
+// Response message for
+// [PredictionService.EmbedContent][google.cloud.aiplatform.v1.PredictionService.EmbedContent].
+message EmbedContentResponse {
+  // A list of floats representing an embedding.
+  message Embedding {
+    // Embedding vector values.
+    repeated float values = 1;
+  }
+
+  // The embedding generated from the input content.
+  Embedding embedding = 1;
+
+  // Metadata about the response(s).
+  UsageMetadata usage_metadata = 2;
+
+  // Whether the input content was truncated before generating the embedding.
+  bool truncated = 4;
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/service_networking.proto b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/service_networking.proto
index 884568065ddc..f2732dc2bd63 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/service_networking.proto
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/service_networking.proto
@@ -31,19 +31,41 @@ option (google.api.resource_definition) = {
   pattern: "projects/{project}/regions/{region}/networkAttachments/{networkattachment}"
 };
 
-// PSC config that is used to automatically create forwarding rule via
-// ServiceConnectionMap.
+// The state of the PSC service automation.
+enum PSCAutomationState {
+  // Should not be used.
+  PSC_AUTOMATION_STATE_UNSPECIFIED = 0;
+
+  // The PSC service automation is successful.
+  PSC_AUTOMATION_STATE_SUCCESSFUL = 1;
+
+  // The PSC service automation has failed.
+  PSC_AUTOMATION_STATE_FAILED = 2;
+}
+
+// PSC config that is used to automatically create PSC endpoints in the user
+// projects.
 message PSCAutomationConfig {
   // Required. Project id used to create forwarding rule.
   string project_id = 1 [(google.api.field_behavior) = REQUIRED];
 
   // Required. The full name of the Google Compute Engine
   // [network](https://cloud.google.com/compute/docs/networks-and-firewalls#networks).
-  // [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/insert):
+  // [Format](https://cloud.google.com/compute/docs/reference/rest/v1/networks/get):
   // `projects/{project}/global/networks/{network}`.
-  // Where {project} is a project number, as in '12345', and {network} is
-  // network name.
   string network = 2 [(google.api.field_behavior) = REQUIRED];
+
+  // Output only. IP address rule created by the PSC service automation.
+  string ip_address = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Forwarding rule created by the PSC service automation.
+  string forwarding_rule = 4 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The state of the PSC service automation.
+  PSCAutomationState state = 5 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Error message if the PSC service automation failed.
+  string error_message = 6 [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
 // Represents configuration for private service connect.
@@ -56,6 +78,11 @@ message PrivateServiceConnectConfig {
   // attachment.
   repeated string project_allowlist = 2;
 
+  // Optional. List of projects and networks where the PSC endpoints will be
+  // created. This field is used by Online Inference(Prediction) only.
+  repeated PSCAutomationConfig psc_automation_configs = 3
+      [(google.api.field_behavior) = OPTIONAL];
+
   // Output only. The name of the generated service attachment resource.
   // This is only populated if the endpoint is deployed with
   // PrivateServiceConnect.
@@ -74,3 +101,48 @@ message PscAutomatedEndpoints {
   // Ip Address created by the automated forwarding rule.
   string match_address = 3;
 }
+
+// Configuration for PSC-I.
+message PscInterfaceConfig {
+  // Optional. The name of the Compute Engine
+  // [network
+  // attachment](https://cloud.google.com/vpc/docs/about-network-attachments) to
+  // attach to the resource within the region and user project.
+  // To specify this field, you must have already [created a network attachment]
+  // (https://cloud.google.com/vpc/docs/create-manage-network-attachments#create-network-attachments).
+  // This field is only used for resources using PSC-I.
+  string network_attachment = 1 [
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.resource_reference) = {
+      type: "compute.googleapis.com/NetworkAttachment"
+    }
+  ];
+
+  // Optional. DNS peering configurations. When specified, Vertex AI will
+  // attempt to configure DNS peering zones in the tenant project VPC
+  // to resolve the specified domains using the target network's Cloud DNS.
+  // The user must grant the dns.peer role to the Vertex AI Service Agent
+  // on the target project.
+  repeated DnsPeeringConfig dns_peering_configs = 2
+      [(google.api.field_behavior) = OPTIONAL];
+}
+
+// DNS peering configuration. These configurations are used to create
+// DNS peering zones in the Vertex tenant project VPC, enabling resolution
+// of records within the specified domain hosted in the target network's
+// Cloud DNS.
+message DnsPeeringConfig {
+  // Required. The DNS name suffix of the zone being peered to, e.g.,
+  // "my-internal-domain.corp.". Must end with a dot.
+  string domain = 1 [(google.api.field_behavior) = REQUIRED];
+
+  // Required. The project ID hosting the Cloud DNS managed zone that
+  // contains the 'domain'. The Vertex AI Service Agent requires the
+  // dns.peer role on this project.
+  string target_project = 2 [(google.api.field_behavior) = REQUIRED];
+
+  // Required. The VPC network name
+  // in the target_project where the DNS zone specified by 'domain' is
+  // visible.
+  string target_network = 3 [(google.api.field_behavior) = REQUIRED];
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/tool.proto b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/tool.proto
index aa0d5641b013..7d2018f52678 100644
--- a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/tool.proto
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/tool.proto
@@ -38,9 +38,46 @@ option ruby_package = "Google::Cloud::AIPlatform::V1";
 // one type of Tool (e.g FunctionDeclaration, Retrieval or
 // GoogleSearchRetrieval).
 message Tool {
+  // These are available confidence level user can set to block malicious urls
+  // with chosen confidence and above. For understanding different confidence of
+  // webrisk, please refer to
+  // https://cloud.google.com/web-risk/docs/reference/rpc/google.cloud.webrisk.v1eap1#confidencelevel
+  enum PhishBlockThreshold {
+    // Defaults to unspecified.
+    PHISH_BLOCK_THRESHOLD_UNSPECIFIED = 0;
+
+    // Blocks Low and above confidence URL that is risky.
+    BLOCK_LOW_AND_ABOVE = 30;
+
+    // Blocks Medium and above confidence URL that is risky.
+    BLOCK_MEDIUM_AND_ABOVE = 40;
+
+    // Blocks High and above confidence URL that is risky.
+    BLOCK_HIGH_AND_ABOVE = 50;
+
+    // Blocks Higher and above confidence URL that is risky.
+    BLOCK_HIGHER_AND_ABOVE = 55;
+
+    // Blocks Very high and above confidence URL that is risky.
+    BLOCK_VERY_HIGH_AND_ABOVE = 60;
+
+    // Blocks Extremely high confidence URL that is risky.
+    BLOCK_ONLY_EXTREMELY_HIGH = 100;
+  }
   // GoogleSearch tool type.
   // Tool to support Google Search in Model. Powered by Google.
-  message GoogleSearch {}
+  message GoogleSearch {
+    // Optional. List of domains to be excluded from the search results.
+    // The default limit is 2000 domains.
+    // Example: ["amazon.com", "facebook.com"].
+    repeated string exclude_domains = 3
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. Sites with confidence level chosen & above this value will be
+    // blocked from the search results.
+    optional PhishBlockThreshold blocking_confidence = 4
+        [(google.api.field_behavior) = OPTIONAL];
+  }
 
   // Tool that executes code generated by the model, and automatically returns
   // the result to the model.
@@ -49,6 +86,30 @@ message Tool {
   // output to this tool.
   message CodeExecution {}
 
+  // Tool to support computer use.
+  message ComputerUse {
+    // Represents the environment being operated, such as a web browser.
+    enum Environment {
+      // Defaults to browser.
+      ENVIRONMENT_UNSPECIFIED = 0;
+
+      // Operates in a web browser.
+      ENVIRONMENT_BROWSER = 1;
+    }
+
+    // Required. The environment being operated.
+    Environment environment = 1 [(google.api.field_behavior) = REQUIRED];
+
+    // Optional. By default, [predefined
+    // functions](https://cloud.google.com/vertex-ai/generative-ai/docs/computer-use#supported-actions)
+    // are included in the final model call. Some of them can be explicitly
+    // excluded from being automatically included. This can serve two purposes:
+    // 1. Using a more restricted / different action space.
+    // 2. Improving the definitions / instructions of predefined functions.
+    repeated string excluded_predefined_functions = 2
+        [(google.api.field_behavior) = OPTIONAL];
+  }
+
   // Optional. Function tool type.
   // One or more function declarations to be passed to the model along with the
   // current user query. Model may decide to call a subset of these functions
@@ -76,6 +137,10 @@ message Tool {
   GoogleSearchRetrieval google_search_retrieval = 3
       [(google.api.field_behavior) = OPTIONAL];
 
+  // Optional. GoogleMaps tool type.
+  // Tool to support Google Maps in Model.
+  GoogleMaps google_maps = 5 [(google.api.field_behavior) = OPTIONAL];
+
   // Optional. Tool to support searching public web data, powered by Vertex AI
   // Search and Sec4 compliance.
   EnterpriseWebSearch enterprise_web_search = 6
@@ -84,8 +149,21 @@ message Tool {
   // Optional. CodeExecution tool type.
   // Enables the model to execute code as part of generation.
   CodeExecution code_execution = 4 [(google.api.field_behavior) = OPTIONAL];
+
+  reserved 8, 9;
+
+  // Optional. Tool to support URL context retrieval.
+  UrlContext url_context = 10 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Tool to support the model interacting directly with the computer.
+  // If enabled, it automatically populates computer-use specific Function
+  // Declarations.
+  ComputerUse computer_use = 11 [(google.api.field_behavior) = OPTIONAL];
 }
 
+// Tool to support URL context.
+message UrlContext {}
+
 // Structured representation of a function declaration as defined by the
 // [OpenAPI 3.0 specification](https://spec.openapis.org/oas/v3.0.3). Included
 // in this declaration are the function name, description, parameters and
@@ -118,23 +196,147 @@ message FunctionDeclaration {
   //  - param1
   Schema parameters = 3 [(google.api.field_behavior) = OPTIONAL];
 
+  // Optional. Describes the parameters to the function in JSON Schema format.
+  // The schema must describe an object where the properties are the parameters
+  // to the function. For example:
+  //
+  // ```
+  // {
+  //   "type": "object",
+  //   "properties": {
+  //     "name": { "type": "string" },
+  //     "age": { "type": "integer" }
+  //   },
+  //   "additionalProperties": false,
+  //   "required": ["name", "age"],
+  //   "propertyOrdering": ["name", "age"]
+  // }
+  // ```
+  //
+  // This field is mutually exclusive with `parameters`.
+  google.protobuf.Value parameters_json_schema = 5
+      [(google.api.field_behavior) = OPTIONAL];
+
   // Optional. Describes the output from this function in JSON Schema format.
   // Reflects the Open API 3.03 Response Object. The Schema defines the type
   // used for the response value of the function.
   Schema response = 4 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Describes the output from this function in JSON Schema format.
+  // The value specified by the schema is the response value of the function.
+  //
+  // This field is mutually exclusive with `response`.
+  google.protobuf.Value response_json_schema = 6
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // A predicted [FunctionCall] returned from the model that contains a string
 // representing the [FunctionDeclaration.name] and a structured JSON object
 // containing the parameters and their values.
 message FunctionCall {
-  // Required. The name of the function to call.
+  // Optional. The name of the function to call.
   // Matches [FunctionDeclaration.name].
-  string name = 1 [(google.api.field_behavior) = REQUIRED];
+  string name = 1 [(google.api.field_behavior) = OPTIONAL];
 
-  // Optional. Required. The function parameters and values in JSON object
-  // format. See [FunctionDeclaration.parameters] for parameter details.
+  // Optional. The function parameters and values in JSON object format.
+  // See [FunctionDeclaration.parameters] for parameter details.
   google.protobuf.Struct args = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The partial argument value of the function call.
+  // If provided, represents the arguments/fields that are streamed
+  // incrementally.
+  repeated PartialArg partial_args = 4 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Whether this is the last part of the FunctionCall.
+  // If true, another partial message for the current FunctionCall is expected
+  // to follow.
+  bool will_continue = 5 [(google.api.field_behavior) = OPTIONAL];
+}
+
+// Partial argument value of the function call.
+message PartialArg {
+  // The delta of field value being streamed.
+  oneof delta {
+    // Optional. Represents a null value.
+    google.protobuf.NullValue null_value = 2
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. Represents a double value.
+    double number_value = 3 [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. Represents a string value.
+    string string_value = 4 [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. Represents a boolean value.
+    bool bool_value = 5 [(google.api.field_behavior) = OPTIONAL];
+  }
+
+  // Required. A JSON Path (RFC 9535) to the argument being streamed.
+  // https://datatracker.ietf.org/doc/html/rfc9535. e.g. "$.foo.bar[0].data".
+  string json_path = 1 [(google.api.field_behavior) = REQUIRED];
+
+  // Optional. Whether this is not the last part of the same json_path.
+  // If true, another PartialArg message for the current json_path is expected
+  // to follow.
+  bool will_continue = 6 [(google.api.field_behavior) = OPTIONAL];
+}
+
+// A datatype containing media that is part of a `FunctionResponse` message.
+//
+// A `FunctionResponsePart` consists of data which has an associated datatype. A
+// `FunctionResponsePart` can only contain one of the accepted types in
+// `FunctionResponsePart.data`.
+//
+// A `FunctionResponsePart` must have a fixed IANA MIME type identifying the
+// type and subtype of the media if the `inline_data` field is filled with raw
+// bytes.
+message FunctionResponsePart {
+  // The data of the function response part.
+  oneof data {
+    // Inline media bytes.
+    FunctionResponseBlob inline_data = 1;
+
+    // URI based data.
+    FunctionResponseFileData file_data = 2;
+  }
+}
+
+// Raw media bytes for function response.
+//
+// Text should not be sent as raw bytes, use the 'text' field.
+message FunctionResponseBlob {
+  // Required. The IANA standard MIME type of the source data.
+  string mime_type = 1 [(google.api.field_behavior) = REQUIRED];
+
+  // Required. Raw bytes.
+  bytes data = 2 [(google.api.field_behavior) = REQUIRED];
+
+  // Optional. Display name of the blob.
+  //
+  // Used to provide a label or filename to distinguish blobs.
+  //
+  // This field is only returned in PromptMessage for prompt management.
+  // It is currently used in the Gemini GenerateContent calls only when server
+  // side tools (code_execution, google_search, and url_context) are enabled.
+  string display_name = 4 [(google.api.field_behavior) = OPTIONAL];
+}
+
+// URI based data for function response.
+message FunctionResponseFileData {
+  // Required. The IANA standard MIME type of the source data.
+  string mime_type = 1 [(google.api.field_behavior) = REQUIRED];
+
+  // Required. URI.
+  string file_uri = 2 [(google.api.field_behavior) = REQUIRED];
+
+  // Optional. Display name of the file data.
+  //
+  // Used to provide a label or filename to distinguish file datas.
+  //
+  // This field is only returned in PromptMessage for prompt management.
+  // It is currently used in the Gemini GenerateContent calls only when server
+  // side tools (code_execution, google_search, and url_context) are enabled.
+  string display_name = 3 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // The result output from a [FunctionCall] that contains a string representing
@@ -151,6 +353,11 @@ message FunctionResponse {
   // error details (if any). If "output" and "error" keys are not specified,
   // then whole "response" is treated as function output.
   google.protobuf.Struct response = 2 [(google.api.field_behavior) = REQUIRED];
+
+  // Optional. Ordered `Parts` that constitute a function response. Parts may
+  // have different IANA MIME types.
+  repeated FunctionResponsePart parts = 4
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Code generated by the model that is meant to be executed, and the result
@@ -261,13 +468,48 @@ message VertexRagStore {
       [(google.api.field_behavior) = OPTIONAL];
 }
 
-// Retrieve from Vertex AI Search datastore for grounding.
+// Retrieve from Vertex AI Search datastore or engine for grounding.
+// datastore and engine are mutually exclusive.
 // See https://cloud.google.com/products/agent-builder
 message VertexAISearch {
-  // Required. Fully-qualified Vertex AI Search data store resource ID.
+  // Define data stores within engine to filter on in a search call and
+  // configurations for those data stores. For more information, see
+  // https://cloud.google.com/generative-ai-app-builder/docs/reference/rpc/google.cloud.discoveryengine.v1#datastorespec
+  message DataStoreSpec {
+    // Full resource name of DataStore, such as
+    // Format:
+    // `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
+    string data_store = 1;
+
+    // Optional. Filter specification to filter documents in the data store
+    // specified by data_store field. For more information on filtering, see
+    // [Filtering](https://cloud.google.com/generative-ai-app-builder/docs/filter-search-metadata)
+    string filter = 2 [(google.api.field_behavior) = OPTIONAL];
+  }
+
+  // Optional. Fully-qualified Vertex AI Search data store resource ID.
   // Format:
   // `projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}`
-  string datastore = 1 [(google.api.field_behavior) = REQUIRED];
+  string datastore = 1 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Fully-qualified Vertex AI Search engine resource ID.
+  // Format:
+  // `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}`
+  string engine = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Number of search results to return per query.
+  // The default value is 10.
+  // The maximumm allowed value is 10.
+  int32 max_results = 3 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Filter strings to be passed to the search API.
+  string filter = 4 [(google.api.field_behavior) = OPTIONAL];
+
+  // Specifications that define the specific DataStores to be searched, along
+  // with configurations for those data stores. This is only considered for
+  // Engines with multiple data stores.
+  // It should only be set if engine is used.
+  repeated DataStoreSpec data_store_specs = 5;
 }
 
 // Tool to retrieve public web data for grounding, powered by Google.
@@ -276,9 +518,24 @@ message GoogleSearchRetrieval {
   DynamicRetrievalConfig dynamic_retrieval_config = 2;
 }
 
+// Tool to retrieve public maps data for grounding, powered by Google.
+message GoogleMaps {
+  // If true, include the widget context token in the response.
+  bool enable_widget = 1 [(google.api.field_behavior) = OPTIONAL];
+}
+
 // Tool to search public web data, powered by Vertex AI Search and Sec4
 // compliance.
-message EnterpriseWebSearch {}
+message EnterpriseWebSearch {
+  // Optional. List of domains to be excluded from the search results.
+  // The default limit is 2000 domains.
+  repeated string exclude_domains = 1 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Sites with confidence level chosen & above this value will be
+  // blocked from the search results.
+  optional Tool.PhishBlockThreshold blocking_confidence = 2
+      [(google.api.field_behavior) = OPTIONAL];
+}
 
 // Describes the options to customize dynamic retrieval.
 message DynamicRetrievalConfig {
@@ -339,6 +596,12 @@ message FunctionCallingConfig {
   // will predict a function call from the set of function names provided.
   repeated string allowed_function_names = 2
       [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. When set to true, arguments of a single function call will be
+  // streamed out in multiple parts/contents/responses. Partial parameter
+  // results will be returned in the [FunctionCall.partial_args] field.
+  bool stream_function_call_arguments = 4
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Retrieval config.
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/usage_metadata.proto b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/usage_metadata.proto
new file mode 100644
index 000000000000..d365f65db5da
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/usage_metadata.proto
@@ -0,0 +1,96 @@
+// Copyright 2025 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.cloud.vertexai.v1;
+
+import "google/api/field_behavior.proto";
+import "google/cloud/vertexai/v1/content.proto";
+
+option csharp_namespace = "Google.Cloud.AIPlatform.V1";
+option go_package = "cloud.google.com/go/aiplatform/apiv1/aiplatformpb;aiplatformpb";
+option java_multiple_files = true;
+option java_outer_classname = "UsageMetadataProto";
+option java_package = "com.google.cloud.vertexai.api";
+option php_namespace = "Google\\Cloud\\AIPlatform\\V1";
+option ruby_package = "Google::Cloud::AIPlatform::V1";
+
+// Usage metadata about the content generation request and response.
+// This message provides a detailed breakdown of token usage and other
+// relevant metrics.
+message UsageMetadata {
+  // The type of traffic that this request was processed with, indicating which
+  // quota gets consumed.
+  enum TrafficType {
+    // Unspecified request traffic type.
+    TRAFFIC_TYPE_UNSPECIFIED = 0;
+
+    // Type for Pay-As-You-Go traffic.
+    ON_DEMAND = 1;
+
+    // Type for Provisioned Throughput traffic.
+    PROVISIONED_THROUGHPUT = 2;
+  }
+
+  // The total number of tokens in the prompt. This includes any text, images,
+  // or other media provided in the request. When `cached_content` is set,
+  // this also includes the number of tokens in the cached content.
+  int32 prompt_token_count = 1;
+
+  // The total number of tokens in the generated candidates.
+  int32 candidates_token_count = 2;
+
+  // The total number of tokens for the entire request. This is the sum of
+  // `prompt_token_count`, `candidates_token_count`,
+  // `tool_use_prompt_token_count`, and `thoughts_token_count`.
+  int32 total_token_count = 3;
+
+  // Output only. The number of tokens in the results from tool executions,
+  // which are provided back to the model as input, if applicable.
+  int32 tool_use_prompt_token_count = 13
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The number of tokens that were part of the model's generated
+  // "thoughts" output, if applicable.
+  int32 thoughts_token_count = 14 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The number of tokens in the cached content that was used for
+  // this request.
+  int32 cached_content_token_count = 5
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. A detailed breakdown of the token count for each modality in
+  // the prompt.
+  repeated ModalityTokenCount prompt_tokens_details = 9
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. A detailed breakdown of the token count for each modality in
+  // the cached content.
+  repeated ModalityTokenCount cache_tokens_details = 10
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. A detailed breakdown of the token count for each modality in
+  // the generated candidates.
+  repeated ModalityTokenCount candidates_tokens_details = 11
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. A detailed breakdown by modality of the token counts from the
+  // results of tool executions, which are provided back to the model as input.
+  repeated ModalityTokenCount tool_use_prompt_tokens_details = 12
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The traffic type for this request.
+  TrafficType traffic_type = 8 [(google.api.field_behavior) = OUTPUT_ONLY];
+}
diff --git a/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/vertex_rag_data.proto b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/vertex_rag_data.proto
new file mode 100644
index 000000000000..39884955aafe
--- /dev/null
+++ b/java-vertexai/proto-google-cloud-vertexai-v1/src/main/proto/google/cloud/vertexai/v1/vertex_rag_data.proto
@@ -0,0 +1,571 @@
+// Copyright 2025 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.cloud.vertexai.v1;
+
+import "google/api/field_behavior.proto";
+import "google/api/resource.proto";
+import "google/cloud/vertexai/v1/api_auth.proto";
+import "google/cloud/vertexai/v1/encryption_spec.proto";
+import "google/cloud/vertexai/v1/io.proto";
+import "google/protobuf/timestamp.proto";
+
+option csharp_namespace = "Google.Cloud.AIPlatform.V1";
+option go_package = "cloud.google.com/go/aiplatform/apiv1/aiplatformpb;aiplatformpb";
+option java_multiple_files = true;
+option java_outer_classname = "VertexRagDataProto";
+option java_package = "com.google.cloud.vertexai.api";
+option php_namespace = "Google\\Cloud\\AIPlatform\\V1";
+option ruby_package = "Google::Cloud::AIPlatform::V1";
+
+// Config for the embedding model to use for RAG.
+message RagEmbeddingModelConfig {
+  // Config representing a model hosted on Vertex Prediction Endpoint.
+  message VertexPredictionEndpoint {
+    // Required. The endpoint resource name.
+    // Format:
+    // `projects/{project}/locations/{location}/publishers/{publisher}/models/{model}`
+    // or
+    // `projects/{project}/locations/{location}/endpoints/{endpoint}`
+    string endpoint = 1 [
+      (google.api.field_behavior) = REQUIRED,
+      (google.api.resource_reference) = {
+        type: "aiplatform.googleapis.com/Endpoint"
+      }
+    ];
+
+    // Output only. The resource name of the model that is deployed on the
+    // endpoint. Present only when the endpoint is not a publisher model.
+    // Pattern:
+    // `projects/{project}/locations/{location}/models/{model}`
+    string model = 2 [
+      (google.api.field_behavior) = OUTPUT_ONLY,
+      (google.api.resource_reference) = {
+        type: "aiplatform.googleapis.com/Model"
+      }
+    ];
+
+    // Output only. Version ID of the model that is deployed on the endpoint.
+    // Present only when the endpoint is not a publisher model.
+    string model_version_id = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
+  }
+
+  // The model config to use.
+  oneof model_config {
+    // The Vertex AI Prediction Endpoint that either refers to a publisher model
+    // or an endpoint that is hosting a 1P fine-tuned text embedding model.
+    // Endpoints hosting non-1P fine-tuned text embedding models are
+    // currently not supported.
+    // This is used for dense vector search.
+    VertexPredictionEndpoint vertex_prediction_endpoint = 1;
+  }
+}
+
+// Config for the Vector DB to use for RAG.
+message RagVectorDbConfig {
+  // The config for the default RAG-managed Vector DB.
+  message RagManagedDb {
+    // Config for KNN search.
+    message KNN {}
+
+    // Config for ANN search.
+    //
+    // RagManagedDb uses a tree-based structure to partition data and
+    // facilitate faster searches. As a tradeoff, it requires longer indexing
+    // time and manual triggering of index rebuild via the ImportRagFiles and
+    // UpdateRagCorpus API.
+    message ANN {
+      // The depth of the tree-based structure. Only depth values of 2 and 3 are
+      // supported.
+      //
+      // Recommended value is 2 if you have if you have O(10K) files in the
+      // RagCorpus and set this to 3 if more than that.
+      //
+      // Default value is 2.
+      int32 tree_depth = 1;
+
+      // Number of leaf nodes in the tree-based structure. Each leaf node
+      // contains groups of closely related vectors along with their
+      // corresponding centroid.
+      //
+      // Recommended value is 10 * sqrt(num of RagFiles in your RagCorpus).
+      //
+      // Default value is 500.
+      int32 leaf_count = 2;
+    }
+
+    // Choice of retrieval strategy.
+    oneof retrieval_strategy {
+      // Performs a KNN search on RagCorpus.
+      // Default choice if not specified.
+      KNN knn = 1;
+
+      // Performs an ANN search on RagCorpus. Use this if you have a lot of
+      // files (> 10K) in your RagCorpus and want to reduce the search latency.
+      ANN ann = 2;
+    }
+  }
+
+  // The config for the Pinecone.
+  message Pinecone {
+    // Pinecone index name.
+    // This value cannot be changed after it's set.
+    string index_name = 1;
+  }
+
+  // The config for the Vertex Vector Search.
+  message VertexVectorSearch {
+    // The resource name of the Index Endpoint.
+    // Format:
+    // `projects/{project}/locations/{location}/indexEndpoints/{index_endpoint}`
+    string index_endpoint = 1;
+
+    // The resource name of the Index.
+    // Format:
+    // `projects/{project}/locations/{location}/indexes/{index}`
+    string index = 2;
+  }
+
+  // The config for the Vector DB.
+  oneof vector_db {
+    // The config for the RAG-managed Vector DB.
+    RagManagedDb rag_managed_db = 1;
+
+    // The config for the Pinecone.
+    Pinecone pinecone = 3;
+
+    // The config for the Vertex Vector Search.
+    VertexVectorSearch vertex_vector_search = 6;
+  }
+
+  // Authentication config for the chosen Vector DB.
+  ApiAuth api_auth = 5;
+
+  // Optional. Immutable. The embedding model config of the Vector DB.
+  RagEmbeddingModelConfig rag_embedding_model_config = 7 [
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.field_behavior) = IMMUTABLE
+  ];
+}
+
+// RagFile status.
+message FileStatus {
+  // RagFile state.
+  enum State {
+    // RagFile state is unspecified.
+    STATE_UNSPECIFIED = 0;
+
+    // RagFile resource has been created and indexed successfully.
+    ACTIVE = 1;
+
+    // RagFile resource is in a problematic state.
+    // See `error_message` field for details.
+    ERROR = 2;
+  }
+
+  // Output only. RagFile state.
+  State state = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Only when the `state` field is ERROR.
+  string error_status = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
+}
+
+// Config for the Vertex AI Search.
+message VertexAiSearchConfig {
+  // Vertex AI Search Serving Config resource full name. For example,
+  // `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}/servingConfigs/{serving_config}`
+  // or
+  // `projects/{project}/locations/{location}/collections/{collection}/dataStores/{data_store}/servingConfigs/{serving_config}`.
+  string serving_config = 1;
+}
+
+// RagCorpus status.
+message CorpusStatus {
+  // RagCorpus life state.
+  enum State {
+    // This state is not supposed to happen.
+    UNKNOWN = 0;
+
+    // RagCorpus resource entry is initialized, but hasn't done validation.
+    INITIALIZED = 1;
+
+    // RagCorpus is provisioned successfully and is ready to serve.
+    ACTIVE = 2;
+
+    // RagCorpus is in a problematic situation.
+    // See `error_message` field for details.
+    ERROR = 3;
+  }
+
+  // Output only. RagCorpus life state.
+  State state = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Only when the `state` field is ERROR.
+  string error_status = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
+}
+
+// A RagCorpus is a RagFile container and a project can have multiple
+// RagCorpora.
+message RagCorpus {
+  option (google.api.resource) = {
+    type: "aiplatform.googleapis.com/RagCorpus"
+    pattern: "projects/{project}/locations/{location}/ragCorpora/{rag_corpus}"
+    plural: "ragCorpora"
+    singular: "ragCorpus"
+  };
+
+  // The backend config of the RagCorpus.
+  // It can be data store and/or retrieval engine.
+  oneof backend_config {
+    // Optional. Immutable. The config for the Vector DBs.
+    RagVectorDbConfig vector_db_config = 9 [
+      (google.api.field_behavior) = OPTIONAL,
+      (google.api.field_behavior) = IMMUTABLE
+    ];
+
+    // Optional. Immutable. The config for the Vertex AI Search.
+    VertexAiSearchConfig vertex_ai_search_config = 10 [
+      (google.api.field_behavior) = OPTIONAL,
+      (google.api.field_behavior) = IMMUTABLE
+    ];
+  }
+
+  // Output only. The resource name of the RagCorpus.
+  string name = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Required. The display name of the RagCorpus.
+  // The name can be up to 128 characters long and can consist of any UTF-8
+  // characters.
+  string display_name = 2 [(google.api.field_behavior) = REQUIRED];
+
+  // Optional. The description of the RagCorpus.
+  string description = 3 [(google.api.field_behavior) = OPTIONAL];
+
+  // Output only. Timestamp when this RagCorpus was created.
+  google.protobuf.Timestamp create_time = 4
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Timestamp when this RagCorpus was last updated.
+  google.protobuf.Timestamp update_time = 5
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. RagCorpus state.
+  CorpusStatus corpus_status = 8 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Optional. Immutable. The CMEK key name used to encrypt at-rest data related
+  // to this Corpus. Only applicable to RagManagedDb option for Vector DB. This
+  // field can only be set at corpus creation time, and cannot be updated or
+  // deleted.
+  EncryptionSpec encryption_spec = 12 [
+    (google.api.field_behavior) = IMMUTABLE,
+    (google.api.field_behavior) = OPTIONAL
+  ];
+}
+
+// A RagFile contains user data for chunking, embedding and indexing.
+message RagFile {
+  option (google.api.resource) = {
+    type: "aiplatform.googleapis.com/RagFile"
+    pattern: "projects/{project}/locations/{location}/ragCorpora/{rag_corpus}/ragFiles/{rag_file}"
+    plural: "ragFiles"
+    singular: "ragFile"
+  };
+
+  // The origin location of the RagFile if it is imported from Google Cloud
+  // Storage or Google Drive.
+  oneof rag_file_source {
+    // Output only. Google Cloud Storage location of the RagFile.
+    // It does not support wildcards in the Cloud Storage uri for now.
+    GcsSource gcs_source = 8 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+    // Output only. Google Drive location. Supports importing individual files
+    // as well as Google Drive folders.
+    GoogleDriveSource google_drive_source = 9
+        [(google.api.field_behavior) = OUTPUT_ONLY];
+
+    // Output only. The RagFile is encapsulated and uploaded in the
+    // UploadRagFile request.
+    DirectUploadSource direct_upload_source = 10
+        [(google.api.field_behavior) = OUTPUT_ONLY];
+
+    // The RagFile is imported from a Slack channel.
+    SlackSource slack_source = 11;
+
+    // The RagFile is imported from a Jira query.
+    JiraSource jira_source = 12;
+
+    // The RagFile is imported from a SharePoint source.
+    SharePointSources share_point_sources = 14;
+  }
+
+  // Output only. The resource name of the RagFile.
+  string name = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Required. The display name of the RagFile.
+  // The name can be up to 128 characters long and can consist of any UTF-8
+  // characters.
+  string display_name = 2 [(google.api.field_behavior) = REQUIRED];
+
+  // Optional. The description of the RagFile.
+  string description = 3 [(google.api.field_behavior) = OPTIONAL];
+
+  // Output only. Timestamp when this RagFile was created.
+  google.protobuf.Timestamp create_time = 6
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Timestamp when this RagFile was last updated.
+  google.protobuf.Timestamp update_time = 7
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. State of the RagFile.
+  FileStatus file_status = 13 [(google.api.field_behavior) = OUTPUT_ONLY];
+}
+
+// A RagChunk includes the content of a chunk of a RagFile, and associated
+// metadata.
+message RagChunk {
+  // Represents where the chunk starts and ends in the document.
+  message PageSpan {
+    // Page where chunk starts in the document. Inclusive. 1-indexed.
+    int32 first_page = 1;
+
+    // Page where chunk ends in the document. Inclusive. 1-indexed.
+    int32 last_page = 2;
+  }
+
+  // The content of the chunk.
+  string text = 1;
+
+  // If populated, represents where the chunk starts and ends in the document.
+  optional PageSpan page_span = 2;
+}
+
+// Specifies the size and overlap of chunks for RagFiles.
+message RagFileChunkingConfig {
+  // Specifies the fixed length chunking config.
+  message FixedLengthChunking {
+    // The size of the chunks.
+    int32 chunk_size = 1;
+
+    // The overlap between chunks.
+    int32 chunk_overlap = 2;
+  }
+
+  // Specifies the chunking config for RagFiles.
+  oneof chunking_config {
+    // Specifies the fixed length chunking config.
+    FixedLengthChunking fixed_length_chunking = 3;
+  }
+}
+
+// Specifies the transformation config for RagFiles.
+message RagFileTransformationConfig {
+  // Specifies the chunking config for RagFiles.
+  RagFileChunkingConfig rag_file_chunking_config = 1;
+}
+
+// Specifies the parsing config for RagFiles.
+message RagFileParsingConfig {
+  // Document AI Layout Parser config.
+  message LayoutParser {
+    // The full resource name of a Document AI processor or processor version.
+    // The processor must have type `LAYOUT_PARSER_PROCESSOR`. If specified, the
+    // `additional_config.parse_as_scanned_pdf` field must be false.
+    // Format:
+    // * `projects/{project_id}/locations/{location}/processors/{processor_id}`
+    // * `projects/{project_id}/locations/{location}/processors/{processor_id}/processorVersions/{processor_version_id}`
+    string processor_name = 1;
+
+    // The maximum number of requests the job is allowed to make to the Document
+    // AI processor per minute. Consult
+    // https://cloud.google.com/document-ai/quotas and the Quota page for your
+    // project to set an appropriate value here. If unspecified, a default value
+    // of 120 QPM would be used.
+    int32 max_parsing_requests_per_min = 2;
+  }
+
+  // Specifies the advanced parsing for RagFiles.
+  message LlmParser {
+    // The name of a LLM model used for parsing.
+    // Format:
+    // * `projects/{project_id}/locations/{location}/publishers/{publisher}/models/{model}`
+    string model_name = 1;
+
+    // The maximum number of requests the job is allowed to make to the
+    // LLM model per minute. Consult
+    // https://cloud.google.com/vertex-ai/generative-ai/docs/quotas
+    // and your document size to set an appropriate value here. If unspecified,
+    // a default value of 5000 QPM would be used.
+    int32 max_parsing_requests_per_min = 2;
+
+    // The prompt to use for parsing. If not specified, a default prompt will
+    // be used.
+    string custom_parsing_prompt = 3;
+  }
+
+  // The parser to use for RagFiles.
+  oneof parser {
+    // The Layout Parser to use for RagFiles.
+    LayoutParser layout_parser = 4;
+
+    // The LLM Parser to use for RagFiles.
+    LlmParser llm_parser = 5;
+  }
+}
+
+// Config for uploading RagFile.
+message UploadRagFileConfig {
+  // Specifies the transformation config for RagFiles.
+  RagFileTransformationConfig rag_file_transformation_config = 3;
+}
+
+// Config for importing RagFiles.
+message ImportRagFilesConfig {
+  // The source of the import.
+  oneof import_source {
+    // Google Cloud Storage location. Supports importing individual files as
+    // well as entire Google Cloud Storage directories. Sample formats:
+    // - `gs://bucket_name/my_directory/object_name/my_file.txt`
+    // - `gs://bucket_name/my_directory`
+    GcsSource gcs_source = 2;
+
+    // Google Drive location. Supports importing individual files as
+    // well as Google Drive folders.
+    GoogleDriveSource google_drive_source = 3;
+
+    // Slack channels with their corresponding access tokens.
+    SlackSource slack_source = 6;
+
+    // Jira queries with their corresponding authentication.
+    JiraSource jira_source = 7;
+
+    // SharePoint sources.
+    SharePointSources share_point_sources = 13;
+  }
+
+  // Optional. If provided, all partial failures are written to the sink.
+  // Deprecated. Prefer to use the `import_result_sink`.
+  oneof partial_failure_sink {
+    // The Cloud Storage path to write partial failures to.
+    // Deprecated. Prefer to use `import_result_gcs_sink`.
+    GcsDestination partial_failure_gcs_sink = 11 [deprecated = true];
+
+    // The BigQuery destination to write partial failures to. It should be a
+    // bigquery table resource name (e.g.
+    // "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+    // table does not exist, it will be created with the expected schema. If the
+    // table exists, the schema will be validated and data will be added to this
+    // existing table.
+    // Deprecated. Prefer to use `import_result_bq_sink`.
+    BigQueryDestination partial_failure_bigquery_sink = 12 [deprecated = true];
+  }
+
+  // Optional. If provided, all successfully imported files and all partial
+  // failures are written to the sink.
+  oneof import_result_sink {
+    // The Cloud Storage path to write import result to.
+    GcsDestination import_result_gcs_sink = 14;
+
+    // The BigQuery destination to write import result to. It should be a
+    // bigquery table resource name (e.g.
+    // "bq://projectId.bqDatasetId.bqTableId"). The dataset must exist. If the
+    // table does not exist, it will be created with the expected schema. If the
+    // table exists, the schema will be validated and data will be added to this
+    // existing table.
+    BigQueryDestination import_result_bigquery_sink = 15;
+  }
+
+  // Specifies the transformation config for RagFiles.
+  RagFileTransformationConfig rag_file_transformation_config = 16;
+
+  // Optional. Specifies the parsing config for RagFiles.
+  // RAG will use the default parser if this field is not set.
+  RagFileParsingConfig rag_file_parsing_config = 8
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The max number of queries per minute that this job is allowed to
+  // make to the embedding model specified on the corpus. This value is specific
+  // to this job and not shared across other import jobs. Consult the Quotas
+  // page on the project to set an appropriate value here.
+  // If unspecified, a default value of 1,000 QPM would be used.
+  int32 max_embedding_requests_per_min = 5
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Rebuilds the ANN index to optimize for recall on the imported data.
+  // Only applicable for RagCorpora running on RagManagedDb with
+  // `retrieval_strategy` set to `ANN`. The rebuild will be performed using the
+  // existing ANN config set on the RagCorpus. To change the ANN config, please
+  // use the UpdateRagCorpus API.
+  //
+  // Default is false, i.e., index is not rebuilt.
+  bool rebuild_ann_index = 19;
+}
+
+// Configuration message for RagManagedDb used by RagEngine.
+message RagManagedDbConfig {
+  // Scaled tier offers production grade performance along with
+  // autoscaling functionality. It is suitable for customers with large
+  // amounts of data or performance sensitive workloads.
+  message Scaled {}
+
+  // Basic tier is a cost-effective and low compute tier suitable for
+  // the following cases:
+  // * Experimenting with RagManagedDb.
+  // * Small data size.
+  // * Latency insensitive workload.
+  // * Only using RAG Engine with external vector DBs.
+  //
+  // NOTE: This is the default tier if not explicitly chosen.
+  message Basic {}
+
+  // Disables the RAG Engine service and deletes all your data held
+  // within this service. This will halt the billing of the service.
+  //
+  // NOTE: Once deleted the data cannot be recovered. To start using
+  // RAG Engine again, you will need to update the tier by calling the
+  // UpdateRagEngineConfig API.
+  message Unprovisioned {}
+
+  // The tier of the RagManagedDb.
+  oneof tier {
+    // Sets the RagManagedDb to the Scaled tier.
+    Scaled scaled = 4;
+
+    // Sets the RagManagedDb to the Basic tier.
+    Basic basic = 2;
+
+    // Sets the RagManagedDb to the Unprovisioned tier.
+    Unprovisioned unprovisioned = 3;
+  }
+}
+
+// Config for RagEngine.
+message RagEngineConfig {
+  option (google.api.resource) = {
+    type: "aiplatform.googleapis.com/RagEngineConfig"
+    pattern: "projects/{project}/locations/{location}/ragEngineConfig"
+    plural: "ragEngineConfigs"
+    singular: "ragEngineConfig"
+  };
+
+  // Identifier. The name of the RagEngineConfig.
+  // Format:
+  // `projects/{project}/locations/{location}/ragEngineConfig`
+  string name = 1 [(google.api.field_behavior) = IDENTIFIER];
+
+  // The config of the RagManagedDb used by RagEngine.
+  RagManagedDbConfig rag_managed_db_config = 2;
+}