feat: add new preview Bucket encryption policy configuration (#3204)

* GoogleManagedEncryptionEnforcementConfig
* CustomerManagedEncryptionEnforcementConfig
* CustomerSuppliedEncryptionEnforcementConfig

Author: BenWhitehead

google-cloud-storage/clirr-ignored-differences.xml

@@ -145,4 +145,20 @@
     <method>com.google.cloud.storage.BucketInfo$Builder setIpFilter(com.google.cloud.storage.BucketInfo$IpFilter)</method>
   </difference>
 
+  <difference>
+    <differenceType>7013</differenceType>
+    <className>com/google/cloud/storage/BucketInfo$Builder</className>
+    <method>com.google.cloud.storage.BucketInfo$Builder setCustomerManagedEncryptionEnforcementConfig(com.google.cloud.storage.BucketInfo$CustomerManagedEncryptionEnforcementConfig)</method>
+  </difference>
+  <difference>
+    <differenceType>7013</differenceType>
+    <className>com/google/cloud/storage/BucketInfo$Builder</className>
+    <method>com.google.cloud.storage.BucketInfo$Builder setCustomerSuppliedEncryptionEnforcementConfig(com.google.cloud.storage.BucketInfo$CustomerSuppliedEncryptionEnforcementConfig)</method>
+  </difference>
+  <difference>
+    <differenceType>7013</differenceType>
+    <className>com/google/cloud/storage/BucketInfo$Builder</className>
+    <method>com.google.cloud.storage.BucketInfo$Builder setGoogleManagedEncryptionEnforcementConfig(com.google.cloud.storage.BucketInfo$GoogleManagedEncryptionEnforcementConfig)</method>
+  </difference>
+
 </differences>

google-cloud-storage/src/main/java/com/google/cloud/storage/Bucket.java

@@ -765,6 +765,30 @@ public Builder setIpFilter(IpFilter ipFilter) {
       return this;
     }
 
+    @Override
+    public Builder setGoogleManagedEncryptionEnforcementConfig(
+        GoogleManagedEncryptionEnforcementConfig googleManagedEncryptionEnforcementConfig) {
+      infoBuilder.setGoogleManagedEncryptionEnforcementConfig(
+          googleManagedEncryptionEnforcementConfig);
+      return this;
+    }
+
+    @Override
+    public Builder setCustomerManagedEncryptionEnforcementConfig(
+        CustomerManagedEncryptionEnforcementConfig customerManagedEncryptionEnforcementConfig) {
+      infoBuilder.setCustomerManagedEncryptionEnforcementConfig(
+          customerManagedEncryptionEnforcementConfig);
+      return this;
+    }
+
+    @Override
+    public Builder setCustomerSuppliedEncryptionEnforcementConfig(
+        CustomerSuppliedEncryptionEnforcementConfig customerSuppliedEncryptionEnforcementConfig) {
+      infoBuilder.setCustomerSuppliedEncryptionEnforcementConfig(
+          customerSuppliedEncryptionEnforcementConfig);
+      return this;
+    }
+
     @Override
     public Bucket build() {
       return new Bucket(storage, infoBuilder);
@@ -955,6 +979,24 @@ Builder clearIpFilter() {
       infoBuilder.clearIpFilter();
       return this;
     }
+
+    @Override
+    public Builder clearGoogleManagedEncryptionEnforcementConfig() {
+      infoBuilder.clearGoogleManagedEncryptionEnforcementConfig();
+      return this;
+    }
+
+    @Override
+    public Builder clearCustomerManagedEncryptionEnforcementConfig() {
+      infoBuilder.clearCustomerManagedEncryptionEnforcementConfig();
+      return this;
+    }
+
+    @Override
+    public Builder clearCustomerSuppliedEncryptionEnforcementConfig() {
+      infoBuilder.clearCustomerSuppliedEncryptionEnforcementConfig();
+      return this;
+    }
   }
 
   Bucket(Storage storage, BucketInfo.BuilderImpl infoBuilder) {