export default interface RealtimeControllerFacade {
    realtimeSubscribeToAttendeeIdPresence(callback: (attendeeId: string, present: boolean) => void): void;
    realtimeUnsubscribeToAttendeeIdPresence(callback: (attendeeId: string, present: boolean) => void): void;
    realtimeSetCanUnmuteLocalAudio(canUnmute: boolean): void;
    realtimeSubscribeToSetCanUnmuteLocalAudio(callback: (canUnmute: boolean) => void): void;
    realtimeUnsubscribeToSetCanUnmuteLocalAudio(callback: (canUnmute: boolean) => void): void;
    realtimeCanUnmuteLocalAudio(): boolean;
    realtimeMuteLocalAudio(): void;
    realtimeUnmuteLocalAudio(): boolean;
    realtimeSubscribeToMuteAndUnmuteLocalAudio(callback: (muted: boolean) => void): void;
    realtimeUnsubscribeToMuteAndUnmuteLocalAudio(callback: (muted: boolean) => void): void;
    realtimeIsLocalAudioMuted(): boolean;
    realtimeSubscribeToVolumeIndicator(attendeeId: string, callback: (attendeeId: string, volume: number | null, muted: boolean | null, signalStrength: number | null) => void): void;
    realtimeUnsubscribeFromVolumeIndicator(attendeeId: string): void;
    realtimeSubscribeToLocalSignalStrengthChange(callback: (signalStrength: number) => void): void;
    realtimeUnsubscribeToLocalSignalStrengthChange(callback: (signalStrength: number) => void): void;
    realtimeSubscribeToFatalError(callback: (error: Error) => void): void;
    realtimeUnsubscribeToFatalError(callback: (error: Error) => void): void;
}