public function findAllMountPagesByWhereClause(string $whereClause) : array
    {
        $queryBuilder = $this->getQueryBuilder();
        $queryBuilder->getRestrictions()->removeAll();
        $queryBuilder
            ->select(
                'uid',
                'mount_pid AS mountPageSource',
                'uid AS mountPageDestination',
                'mount_pid_ol AS mountPageOverlayed')
            ->from($this->table)
            ->add('where', $whereClause);

        $this->addDefaultLanguageUidConstraint($queryBuilder);

        return $queryBuilder->execute()->fetchAll();
    }