/**
  * @param Model\Person $registrant
  */
 private function updateRegistrantIfFeUserRecordDiffers(Model\Person $registrant)
 {
     if ($registrant->getFeUser() instanceof \Ecom\EcomToolbox\Domain\Model\User && $registrant->hasUpdatedFeRecord()) {
         $this->personRepository->update($registrant);
     }
 }