docs: function () {
              if (this._cfg.waiAria) {
                  var field = this.getTextInputField();
                  field.removeAttribute("aria-owns");
  
                  var dropDownIcon = this._getDropdownIcon();
                  if (dropDownIcon) {
                      dropDownIcon.setAttribute("aria-expanded", "false");
                  }
             }
              this.$DropDownListTrait._afterDropdownClose.apply(this, arguments);
          }