docs: function () {
              this.changeProperty("selectedTab", this._cfg.tabId);
              if (this._cfg.waiAria) {
                  // Focusing the Tab before focusing the TabPanel is not enough to make the screen reader read the tab's title first
                  // A sufficient timeout would be necessary, but we can't program that way safely
                  // this._focus();
                  var controlledTabPanelId = this._getControlledTabPanelId();
                  if (controlledTabPanelId != null) {
                      var tabPanelElement = ariaUtilsDom.getElementById(controlledTabPanelId);
                      ariaTemplatesNavigationManager.focusFirst(tabPanelElement);
                  }
              }
          }