docs: function (domEvt) {
              if (domEvt.keyCode == aria.DomEvent.KC_ENTER) {
                  if (this._keyPressed) {
                      this._keyPressed = false;
                      if (!this._performAction(domEvt)) {
                          domEvt.stopPropagation();
                          return false;
                      }
                  }
              }
              return true;
          }