constructor() {
this._subscriptions = new UniversalDisposable();
this._nodeSocketServer = new WebSocketServer();
this._subscriptions.add(this._nodeSocketServer);
this._close$ = new Subject();
this._close$.first().subscribe(() => { this.dispose(); });
}
onSessionEnd(callback: () => mixed): IDisposable {
return new UniversalDisposable(this._close$.first().subscribe(callback));
}