Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer::supportsDenormalization PHP Метод

    public function supportsDenormalization($data, $type, $format = null)
    {
        return class_exists($type);
    }

 /**
  * {@inheritdoc}
  */
 public function supportsDenormalization($data, $type, $format = null)
 {
     return parent::supportsDenormalization($data, $type, $format) && $this->supports($type);
 }