Expanded class hierarchy of JsonldEntityReferenceNormalizer

class \Symfony\Component\Serializer\Normalizer\SerializerAwareNormalizer implements SerializerAwareInterface
- class \Drupal\jsonld\JsonldNormalizerBase implements NormalizerInterface
  - class \Drupal\jsonld\JsonldEntityNormalizer
  - class \Drupal\jsonld\JsonldEntityReferenceNormalizer
  - class \Drupal\jsonld\JsonldFieldItemNormalizer
- class \Symfony\Component\Serializer\Normalizer\CustomNormalizer implements DenormalizerInterface, NormalizerInterface
- class \Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer implements DenormalizerInterface, NormalizerInterface