docs: function (args) {
              if (this._updatesStopped()) {
                  return;
              }
              var dataName = args.dataName;
              if (dataName == "selected") {
                  var item = args.dataHolder;
                  if ((args.newValue && !args.oldValue) // item was just selected
                          || (!args.newValue && args.oldValue) // item was just unselected
                  ) {
                      this._selectionChanged(item.index);
                  }
              } else if (dataName == "initiallyDisabled") {
                  this._updateCurrentlyDisabled([args.dataHolder]);
              }
          }