/**
  * @param string $string
  *
  * @return string
  *
  * @throws TransliterateException
  */
 public function transliterate($string)
 {
     $string = $this->transliterator->transliterate($string);
     if ($string === false) {
         throw new TransliterateException($this->transliterator->getErrorMessage(), $this->transliterator->getErrorCode());
     }
     return $string;
 }