Expanded class hierarchy of FieldItemNormalizer

class \Symfony\Component\Serializer\Normalizer\SerializerAwareNormalizer implements SerializerAwareInterface
- class \Drupal\serialization\Normalizer\NormalizerBase implements NormalizerInterface
  - class \Drupal\hal\Normalizer\NormalizerBase implements DenormalizerInterface
    class \Drupal\hal\Normalizer\EntityNormalizer
    
    class \Drupal\hal\Normalizer\FieldItemNormalizer
    class \Drupal\hal\Normalizer\EntityReferenceItemNormalizer implements UuidReferenceInterface
    
    class \Drupal\hal\Normalizer\FieldNormalizer
  - class \Drupal\serialization\Normalizer\ComplexDataNormalizer
  - class \Drupal\serialization\Normalizer\ListNormalizer
  - class \Drupal\serialization\Normalizer\TypedDataNormalizer
- class \Symfony\Component\Serializer\Normalizer\CustomNormalizer implements DenormalizerInterface, NormalizerInterface
- class \Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer implements DenormalizerInterface, NormalizerInterface