Sulu\Bundle\CategoryBundle\Entity\KeywordRepositoryInterface::findByKeyword PHP Метод

    public function findByKeyword($keyword, $locale);

 /**
  * Find the same keyword in the database or returns null if no synonym exists.
  *
  * @param Keyword $keyword
  *
  * @return Keyword|null
  */
 private function findSynonym(KeywordInterface $keyword)
 {
     return $this->keywordRepository->findByKeyword($keyword->getKeyword(), $keyword->getLocale());
 }