private function getSortOrder()
    {
        return [
            $this->translator->trans(/** @Desc("Ascending") */ 'content_type.sort_field.ascending', [], 'content_type') => Location::SORT_ORDER_ASC,
            $this->translator->trans(/** @Desc("Descending") */ 'content_type.sort_field.descending', [], 'content_type') => Location::SORT_ORDER_DESC,
        ];
    }