/**
  * Returns true when the children of the item should be hidden from the sitemap
  *
  * @param NodeMenuItem $item
  *
  * @return bool
  */
 public function isHiddenChildrenFromSitemap(NodeMenuItem $item)
 {
     if (is_subclass_of($item->getNode()->getRefEntityName(), 'Kunstmaan\\SitemapBundle\\Helper\\HiddenFromSitemapInterface')) {
         $page = $item->getPage();
         return $page->isChildrenHiddenFromSitemap();
     }
     return false;
 }