/**
 * @license
 * 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 { FunctionResponse, GenerativeContentBlob, LiveServerContent, LiveServerToolCall, LiveServerToolCallCancellation, Part } from '../public-types';
import { WebSocketHandler } from '../websocket';
/**
 * Represents an active, real-time, bidirectional conversation with the model.
 *
 * This class should only be instantiated by calling {@link LiveGenerativeModel.connect}.
 *
 * @beta
 */
export declare class LiveSession {
    private webSocketHandler;
    private serverMessages;
    /**
     * Indicates whether this Live session is closed.
     *
     * @beta
     */
    isClosed: boolean;
    /**
     * Indicates whether this Live session is being controlled by an `AudioConversationController`.
     *
     * @beta
     */
    inConversation: boolean;
    /**
     * @internal
     */
    constructor(webSocketHandler: WebSocketHandler, serverMessages: AsyncGenerator<unknown>);
    /**
     * Sends content to the server.
     *
     * @param request - The message to send to the model.
     * @param turnComplete - Indicates if the turn is complete. Defaults to false.
     * @throws If this session has been closed.
     *
     * @beta
     */
    send(request: string | Array<string | Part>, turnComplete?: boolean): Promise<void>;
    /**
     * Sends text to the server in realtime.
     *
     * @example
     * ```javascript
     * liveSession.sendTextRealtime("Hello, how are you?");
     * ```
     *
     * @param text - The text data to send.
     * @throws If this session has been closed.
     *
     * @beta
     */
    sendTextRealtime(text: string): Promise<void>;
    /**
     * Sends audio data to the server in realtime.
     *
     * @remarks The server requires that the audio data is base64-encoded 16-bit PCM at 16kHz
     * little-endian.
     *
     * @example
     * ```javascript
     * // const pcmData = ... base64-encoded 16-bit PCM at 16kHz little-endian.
     * const blob = { mimeType: "audio/pcm", data: pcmData };
     * liveSession.sendAudioRealtime(blob);
     * ```
     *
     * @param blob - The base64-encoded PCM data to send to the server in realtime.
     * @throws If this session has been closed.
     *
     * @beta
     */
    sendAudioRealtime(blob: GenerativeContentBlob): Promise<void>;
    /**
     * Sends video data to the server in realtime.
     *
     * @remarks The server requires that the video is sent as individual video frames at 1 FPS. It
     * is recommended to set `mimeType` to `image/jpeg`.
     *
     * @example
     * ```javascript
     * // const videoFrame = ... base64-encoded JPEG data
     * const blob = { mimeType: "image/jpeg", data: videoFrame };
     * liveSession.sendVideoRealtime(blob);
     * ```
     * @param blob - The base64-encoded video data to send to the server in realtime.
     * @throws If this session has been closed.
     *
     * @beta
     */
    sendVideoRealtime(blob: GenerativeContentBlob): Promise<void>;
    /**
     * Sends function responses to the server.
     *
     * @param functionResponses - The function responses to send.
     * @throws If this session has been closed.
     *
     * @beta
     */
    sendFunctionResponses(functionResponses: FunctionResponse[]): Promise<void>;
    /**
     * Yields messages received from the server.
     * This can only be used by one consumer at a time.
     *
     * @returns An `AsyncGenerator` that yields server messages as they arrive.
     * @throws If the session is already closed, or if we receive a response that we don't support.
     *
     * @beta
     */
    receive(): AsyncGenerator<LiveServerContent | LiveServerToolCall | LiveServerToolCallCancellation>;
    /**
     * Closes this session.
     * All methods on this session will throw an error once this resolves.
     *
     * @beta
     */
    close(): Promise<void>;
    /**
     * Sends realtime input to the server.
     *
     * @deprecated Use `sendTextRealtime()`, `sendAudioRealtime()`, and `sendVideoRealtime()` instead.
     *
     * @param mediaChunks - The media chunks to send.
     * @throws If this session has been closed.
     *
     * @beta
     */
    sendMediaChunks(mediaChunks: GenerativeContentBlob[]): Promise<void>;
    /**
     * @deprecated Use `sendTextRealtime()`, `sendAudioRealtime()`, and `sendVideoRealtime()` instead.
     *
     * Sends a stream of {@link GenerativeContentBlob}.
     *
     * @param mediaChunkStream - The stream of {@link GenerativeContentBlob} to send.
     * @throws If this session has been closed.
     *
     * @beta
     */
    sendMediaStream(mediaChunkStream: ReadableStream<GenerativeContentBlob>): Promise<void>;
}