public function findAllPagesWithinNoSearchSubEntriesMarkedPages(): array
   {
       $queryBuilder = $this->getQueryBuilder();
       $queryBuilder->getRestrictions()->removeAll();
       $pageIds = [];
       try {
           $noSearchSubEntriesEnabledPagesStatement = $queryBuilder
               ->select('uid')
               ->from($this->table)
               ->where(
                   $queryBuilder->expr()->eq('no_search_sub_entries', $queryBuilder->createNamedParameter(1, PDO::PARAM_INT))
               )->execute();
           while (($pageRow = $noSearchSubEntriesEnabledPagesStatement->fetchAssociative()) !== false) {
               $pageIds = array_merge($pageIds, $this->findAllSubPageIdsByRootPage((int)$pageRow['uid']));
           }
       } catch (Throwable $e) {
           return [];
       }
       return $pageIds;
   }