anchor.diff:  
       this.http = new Http._new(this);
       this._events = new _EventController(this);
  +    this._ws = new _WS(this);
     }
   
     /// The client's uptime.
  
positive.code: 
    /// Destroys the websocket connection, and all streams.
    Future<Null> destroy() async {
      await this._events.destroy();
      return null;
    }
  
negative.code:   String _token;
    ClientOptions _options;
    DateTime _startTime;
    _WS _ws;
    _EventController _events;
  
    /// The HTTP client.
  