docs: function (itemsList) {
              var selectedCount = this._data.selectedCount;
              var maxSelectedCount = this._getTrueMaxSelectedCount();
              for (var i = 0, l = itemsList.length; i < l; i++) {
                  var item = itemsList[i];
                  var res = item.initiallyDisabled;
                  if (!res && selectedCount >= maxSelectedCount) {
                      res = !item.selected;
                  }
                  this.json.setValue(item, "currentlyDisabled", res);
              }
          }