import AudioProfile from '../audioprofile/AudioProfile';
import AudioVideoObserver from '../audiovideoobserver/AudioVideoObserver';
import VideoSource from '../videosource/VideoSource';
export default interface AudioVideoControllerFacade {
    addObserver(observer: AudioVideoObserver): void;
    removeObserver(observer: AudioVideoObserver): void;
    /**
     * Start the meeting session. By default this will connect and begin sending
     * and receiving audio, depending on the implementation.
     *
     * This method also allows you to provide options for how connection occurs.
     *
     * The only supported option is `signalingOnly`. Specifying this option will
     * cause the controller to only connect the meeting signaling channel. This
     * can be performed relatively early in the join lifecycle (_e.g._, prior to
     * choosing audio devices), which can improve join latency.
     *
     * Your code is responsible for calling `start` again without `signalingOnly`
     * to complete connection.
     *
     * @param options Passing `signalingOnly: true` will cause only the initial signaling connection to occur.
     */
    start(options?: {
        signalingOnly?: boolean;
    }): void;
    stop(): void;
    getRTCPeerConnectionStats(selector?: MediaStreamTrack): Promise<RTCStatsReport>;
    /**
     * Get all the remote video sending sources.
     */
    getRemoteVideoSources(): VideoSource[];
    /**
     * Sets the audio profile to use for audio. The new audio profile takes effect
     * on the next call to `start` or if already started, upon the next reconnect.
     */
    setAudioProfile(audioProfile: AudioProfile): void;
}