Expanded class hierarchy of NullNormalizer in Drupal 9
- class \Drupal\serialization\Normalizer\NormalizerBase implements \Symfony\Component\Serializer\SerializerAwareInterface, CacheableNormalizerInterface uses \Symfony\Component\Serializer\SerializerAwareTrait
- class \Drupal\content_sync\Normalizer\TextItemNormalizer
- class \Drupal\fb_instant_articles\Normalizer\FieldItemListNormalizer
- class \Drupal\fb_instant_articles\Normalizer\InstantArticleContentEntityNormalizer uses StringTranslationTrait, EntityHelperTrait
- class \Drupal\fb_instant_articles\Normalizer\InstantArticleRssContentEntityNormalizer uses EntityHelperTrait
- class \Drupal\hal\Normalizer\NormalizerBase implements \Symfony\Component\Serializer\Normalizer\DenormalizerInterface
- class \Drupal\jsonapi\Normalizer\NormalizerBase
- class \Drupal\jsonapi_test_data_type\Normalizer\StringNormalizer implements \Symfony\Component\Serializer\Normalizer\DenormalizerInterface
- class \Drupal\jsonapi_test_data_type\Normalizer\TraversableObjectNormalizer
- class \Drupal\jsonrpc_discovery\Normalizer\AnnotationNormalizer
- class \Drupal\menu_normalizer\Normalizer\MenuLinkNormalizer
- class \Drupal\menu_normalizer\Normalizer\MenuLinkTreeNormalizer
- class \Drupal\rest_views\Normalizer\DataNormalizer
- class \Drupal\rest_views\Normalizer\RenderNormalizer
- class \Drupal\serialization\Normalizer\ComplexDataNormalizer
- class \Drupal\serialization\Normalizer\DateTimeNormalizer implements \Symfony\Component\Serializer\Normalizer\DenormalizerInterface
- class \Drupal\serialization\Normalizer\ListNormalizer
- class \Drupal\serialization\Normalizer\MarkupNormalizer
- class \Drupal\serialization\Normalizer\NullNormalizer
- class \Drupal\serialization\Normalizer\PrimitiveDataNormalizer uses SerializedColumnNormalizerTrait
- class \Drupal\serialization\Normalizer\TypedDataNormalizer
- class \Drupal\simple_oauth\Normalizer\RefreshTokenEntityNormalizer implements TokenEntityNormalizerInterface
- class \Drupal\simple_oauth\Normalizer\TokenEntityNormalizer implements TokenEntityNormalizerInterface
- class \Drupal\simple_oauth\Normalizer\UserClaimsNormalizer implements \Symfony\Component\Serializer\Normalizer\NormalizerInterface
- class \Drupal\Tests\serialization\Unit\Normalizer\TestNormalizerBase
- class \Drupal\test_datatype_boolean_emoji_normalizer\Normalizer\BooleanNormalizer implements \Symfony\Component\Serializer\Normalizer\DenormalizerInterface