MetadataInterface

class \Drupal\Core\TypedData\Validation\TypedDataMetadata implements \Symfony\Component\Validator\Mapping\MetadataInterface
class \Symfony\Component\Validator\Mapping\ClassMetadata extends \Symfony\Component\Validator\Mapping\GenericMetadata implements \Symfony\Component\Validator\Mapping\ClassMetadataInterface
class \Symfony\Component\Validator\Mapping\GenericMetadata implements \Symfony\Component\Validator\Mapping\MetadataInterface
class \Symfony\Component\Validator\Mapping\GetterMetadata extends \Symfony\Component\Validator\Mapping\MemberMetadata
class \Symfony\Component\Validator\Mapping\MemberMetadata extends \Symfony\Component\Validator\Mapping\GenericMetadata implements \Symfony\Component\Validator\Mapping\PropertyMetadataInterface
class \Symfony\Component\Validator\Mapping\PropertyMetadata extends \Symfony\Component\Validator\Mapping\MemberMetadata