export declare class RemoteStreamsManager {
    private readonly participantGroups;
    private readonly trackToGroup;
    private readonly trackDisposers;
    get mainStream(): MediaStream | undefined;
    reset(): void;
    addTrack(track: MediaStreamTrack, { onRemoved, streamHint, }?: {
        streamHint?: string;
        onRemoved?: ({ trackId, participantId, }: {
            trackId: string;
            isRemovedStream: boolean;
            participantId: string;
        }) => void;
    }): {
        isAddedTrack: true;
        isAddedStream: boolean;
        participantId: string;
    } | {
        isAddedTrack: false;
        isAddedStream: false;
    };
    removeTrack(trackId: string): {
        isRemovedTrack: boolean;
        isRemovedStream: boolean;
    };
    removeStaleTracks(participantId: string, keepTrackIds: string[]): boolean;
    getStreams(participantId?: string): MediaStream[];
    private disposeTrackListener;
    private getParticipantGroups;
}