code: function () {
          clearTimeout(this._conn._idleTimeout);
          this._throttledRequestHandler();
          this._conn._idleTimeout = setTimeout(this._conn._onIdle.bind(this._conn), 100);
      }
docs: PrivateFunction: _send
  _Private_ part of the Connection.send function for BOSH
  
  Just triggers the RequestHandler to send the messages that are in the queue