/**
  * Returns total count and data for all Locations satisfying the parameters.
  *
  * @param \eZ\Publish\API\Repository\Values\Content\Query\Criterion $criterion
  * @param int $offset
  * @param int|null $limit
  * @param \eZ\Publish\API\Repository\Values\Content\Query\SortClause[] $sortClauses
  *
  * @return mixed[][]
  */
 public function find(Criterion $criterion, $offset = 0, $limit = null, array $sortClauses = null)
 {
     try {
         return $this->innerGateway->find($criterion, $offset, $limit, $sortClauses);
     } catch (DBALException $e) {
         throw new RuntimeException('Database error', 0, $e);
     } catch (PDOException $e) {
         throw new RuntimeException('Database error', 0, $e);
     }
 }