import ActiveSpeakerDetector from '../activespeakerdetector/ActiveSpeakerDetector';
import AudioMixController from '../audiomixcontroller/AudioMixController';
import AudioVideoControllerFacade from '../audiovideocontroller/AudioVideoControllerFacade';
import AudioVideoObserver from '../audiovideoobserver/AudioVideoObserver';
import { EncodedTransformMediaMetricsObserver } from '../encodedtransformmanager/MediaMetricsEncodedTransformManager';
import EventController from '../eventcontroller/EventController';
import Logger from '../logger/Logger';
import MediaStreamBroker from '../mediastreambroker/MediaStreamBroker';
import MeetingSessionConfiguration from '../meetingsession/MeetingSessionConfiguration';
import MeetingSessionStatus from '../meetingsession/MeetingSessionStatus';
import RealtimeController from '../realtimecontroller/RealtimeController';
import VideoTileController from '../videotilecontroller/VideoTileController';
/**
 * [[AudioVideoController]] manages the signaling and peer connections.
 */
export default interface AudioVideoController extends AudioVideoControllerFacade, EncodedTransformMediaMetricsObserver {
    /**
     * Iterates through each observer, so that their notification functions may
     * be called.
     */
    forEachObserver(observerFunc: (observer: AudioVideoObserver) => void): void;
    /**
     * Updates the peer connection when video tiles have changed.  If `needsRenegotiation`
     * is set explicitly to false, we may skip SDP negotiation if it is not necessary.
     */
    update(options?: {
        needsRenegotiation?: boolean;
    }): boolean;
    /**
     * Restarts the local video device. The callback is called when the device
     * has been restarted.
     */
    restartLocalVideo(callback: () => void): void;
    /**
     * Replaces the local video device without a WebRTC negotiation on the sender side and
     * avoids that all video subscribers to re-negotiate at the same time.
     * This is an optimized way of replacing video stream and requires `WebRTC Unified Plan`.
     * @param videoStream - The video stream to be replaced with
     */
    replaceLocalVideo(videoStream: MediaStream): Promise<void>;
    /**
     * Restarts the local audio. This function assumes the peer connection is established and an active
     * audio stream must be chosen in [[DeviceController]]
     * @param audioStream - The audio stream to be replaced with
     */
    replaceLocalAudio(audioStream: MediaStream): Promise<void>;
    /**
     * Restarts the peer connection and/or the session.
     */
    reconnect(status: MeetingSessionStatus, error: Error | null): boolean;
    /**
     * Handles the meeting session status and returns true if it will restart the session.
     */
    handleMeetingSessionStatus(status: MeetingSessionStatus, error: Error | null): boolean;
    /**
     * Pauses receiving stream on peer connection by streamId
     */
    pauseReceivingStream(streamId: number): void;
    /**
     * Resumes receiving stream on peer connection by streamId
     */
    resumeReceivingStream(streamId: number): void;
    /**
     * Returns the session configuration for this audio-video controller.
     */
    readonly configuration: MeetingSessionConfiguration;
    /**
     * Returns the [[RealtimeController]] for this audio-video controller.
     */
    readonly realtimeController: RealtimeController;
    /**
     * Returns the [[ActiveSpeakerDetector]] for this audio-video controller.
     */
    readonly activeSpeakerDetector: ActiveSpeakerDetector;
    /**
     * Returns the [[VideoTileController]] for this audio-video controller.
     */
    readonly videoTileController: VideoTileController;
    /**
     * Returns the [[Logger]] for this audio-video controller.
     */
    readonly logger: Logger;
    /**
     * Returns the RTCPeerConnection for this audio-video controller if there is
     * one.
     */
    readonly rtcPeerConnection: RTCPeerConnection | null;
    /**
     * Returns the [[MediaStreamBroker]] for this audio-video controller.
     */
    readonly mediaStreamBroker: MediaStreamBroker;
    /**
     * Returns the [[AudioMixController]] for this audio-video controller.
     */
    readonly audioMixController: AudioMixController;
    /**
     * Returns the [[EventController]] for this audio-video controller.
     */
    readonly eventController?: EventController;
}