protected function resolveElementsSidebarContent()
 {
     $uiAccessibleElements = PathUtil::getAllUIAccessibleBuilderElementClassNames();
     $uiAccessibleContent = $this->generateWidgetTagsForUIAccessibleElements($uiAccessibleElements);
     $this->wrapContentInDiv($uiAccessibleContent, $this->resolveElementsSidebarHtmlOptions());
     return $uiAccessibleContent;
 }