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);
}