/**
  * @param RecipientInterface $recipient
  * @param Salutation         $salutation
  *
  * @return bool
  */
 public function accept(RecipientInterface $recipient, Salutation $salutation)
 {
     global $container;
     $fieldValue = $salutation->getGenderFilter();
     if (!$salutation->getEnableGenderFilter() || empty($fieldValue)) {
         return true;
     }
     $details = $recipient->getDetails();
     $fieldName = 'gender';
     if (isset($details[$fieldName]) && $fieldValue == $details[$fieldName]) {
         return true;
     }
     /** @var SynonymizerService $synonymizer */
     $synonymizer = $container['avisota.recipient.synonymizer'];
     $synonyms = $synonymizer->findSynonyms('gender');
     // try synonyms
     if ($synonyms) {
         foreach ($synonyms as $synonym) {
             if (isset($details[$synonym]) && $fieldValue == $details[$synonym]) {
                 return true;
             }
         }
     }
     return false;
 }