public function getRootPages(): array
    {
        return $this->connection->createQueryBuilder()
            ->select('language', 'id', 'fallback')
            ->from('tl_page')
            ->where('type=:type')
            ->setParameter('type', 'root')
            ->orderBy('fallback')
            ->addOrderBy('sorting')
            ->execute()
            ->fetchAll(\PDO::FETCH_ASSOC);
    }