feat: Add inference_generation_config to EvaluationConfig for Tuning

PiperOrigin-RevId: 879306544

Author: google-genai-bot

GeneratedFirebaseAI/Sources/Converters.swift

@@ -4761,6 +4761,20 @@ public enum Converters {
     }
   }
 
+  public static func generationConfigFromVertex(apiClient: APIClient, fromObject: Data) throws
+    -> GenerationConfig?
+  {
+    do {
+      let decoder = JSONDecoder()
+      decoder.userInfo[.configuration] = apiClient
+      let instance = try decoder.decode(GenerationConfig.self, from: fromObject)
+      return instance
+    } catch {
+      print("Failed to decode GenerationConfig: \(error)")
+      return nil
+    }
+  }
+
   public static func evaluationConfigFromVertex(apiClient: APIClient, fromObject: Data) throws
     -> EvaluationConfig?
   {

GeneratedFirebaseAI/Sources/Types.swift

@@ -21411,24 +21411,47 @@ extension PartnerModelTuningSpec: Codable {
 /// Evaluation config for tuning.
 @available(iOS 15.0, macOS 13.0, macCatalyst 15.0, tvOS 15.0, watchOS 8.0, *)
 public struct EvaluationConfig: Sendable {
+  /// Generation config for inference.
+  public let inferenceGenerationConfig: GenerationConfig?
 
   /// Default initializer.
-  public init() {
-
+  public init(
+    inferenceGenerationConfig: GenerationConfig? = nil
+  ) {
+    self.inferenceGenerationConfig = inferenceGenerationConfig
   }
 }
 
 @available(iOS 15.0, macOS 13.0, macCatalyst 15.0, tvOS 15.0, watchOS 8.0, *)
 extension EvaluationConfig: Codable {
 
   // MARK: - Codable
+  public enum VertexKeys: String, CodingKey {
+    case inferenceGenerationConfig = "inferenceGenerationConfig"
+  }
 
   public init(from decoder: any Decoder) throws {
     let configuration: APIClient = try decoder.userInfoOrThrow(.configuration)
+
+    let VertexKeysContainer = try decoder.container(keyedBy: VertexKeys.self)
+    inferenceGenerationConfig = try VertexKeysContainer.decodeIfPresent(
+      GenerationConfig.self,
+      forKey: .inferenceGenerationConfig
+    )
   }
 
   public func encode(to encoder: any Encoder) throws {
     let configuration: APIClient = try encoder.userInfoOrThrow(.configuration)
+
+    if configuration.isVertexAI() {
+
+      var VertexKeysContainer = encoder.container(keyedBy: VertexKeys.self)
+      try VertexKeysContainer.encodeIfPresent(
+        inferenceGenerationConfig,
+        forKey: .inferenceGenerationConfig
+      )
+
+    }
   }
 }