docs: function (event) {
              var toBeDisposed = false;
              if (!event.$DomEvent) {
                  event = new aria.DomEvent(event);
                  toBeDisposed = true;
              }
  
              event.isSpecialKey = true;
              event.ctrlKey = true;
              event.charCode = 0;
  
              this._dom_onkeydown.call(this, event);
  
              if (toBeDisposed) {
                  event.$dispose();
              }
          }