docs: function (cfg, ctxt, lineNumber) {
          var controller = new ariaWidgetsControllersSelectBoxController();
          this.$DropDownTextInput.constructor.call(this, cfg, ctxt, lineNumber, controller);
          this.controller.setListOptions(this._cfg.options);
  
          /**
           * Whether the width of the popup can be smaller than the field, when configured to be so. If false, the
           * popupWidth property will be overridden when it is smaller than the field width
           * @type Boolean
           * @protected
           */
          this._freePopupWidth = false;
          this._waiSuggestionsChangedListener = null;
      }