docs: function (information) {
              var event = information.event;
              var keyCode = event.keyCode;
  
              if (this._isShiftF10Pressed(event) || (keyCode == ariaDomEvent.KC_ARROW_UP && this._checkCloseItem(information))) {
                  this.focus();
                  this._toggleDropdown();
                  return true;
              }
  
              if (keyCode == ariaDomEvent.KC_ESCAPE) {
                  if (this._dropDownOpen) {
                      this._toggleDropdown();
                      return true;
                  }
              }
  
              if (keyCode == ariaDomEvent.KC_TAB) {
                  return true;
              }
              return false;
          }