EventHandlerMap: {
    connected_changed: (connected: boolean) => void;
    disposed: () => void;
    local_volume_changed: (localVolume: number) => void;
    mute_state_changed: (audioMuted: boolean, videoMuted: boolean) => void;
    new_stream: (stream: MediaStream) => void;
    speaking: (speaking: boolean) => void;
    volume_changed: (volume: number) => void;
}