Add placeholder types for LiveGenerativeModel and LiveSession

Author: andrewheard

FirebaseAI/Sources/Types/Public/Live/LiveGenerativeModel.swift

@@ -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
+//
+//      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.
+
+import Foundation
+
+@available(iOS 15.0, macOS 12.0, macCatalyst 15.0, tvOS 15.0, watchOS 8.0, *)
+public final class LiveGenerativeModel {
+  let modelResourceName: String
+  let apiConfig: APIConfig
+  let requestOptions: RequestOptions
+
+  init(modelResourceName: String,
+       firebaseInfo: FirebaseInfo,
+       apiConfig: APIConfig,
+       requestOptions: RequestOptions,
+       urlSession: URLSession = GenAIURLSession.default) {
+    self.modelResourceName = modelResourceName
+    self.apiConfig = apiConfig
+    // TODO: Add LiveGenerationConfig
+    // TODO: Add tools
+    // TODO: Add tool config
+    // TODO: Add system instruction
+    self.requestOptions = requestOptions
+  }
+
+  public func connect() async throws -> LiveSession {
+    // TODO: Implement connection
+    return LiveSession()
+  }
+}

FirebaseAI/Sources/Types/Public/Live/LiveSession.swift

@@ -0,0 +1,15 @@
+// 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.
+
+public final class LiveSession {}