TopLevelDataInterface

class \Drupal\jsonapi\JsonApiResource\IncludedData extends \Drupal\jsonapi\JsonApiResource\ResourceObjectData
class \Drupal\jsonapi\JsonApiResource\NullIncludedData extends \Drupal\jsonapi\JsonApiResource\IncludedData
class \Drupal\jsonapi\JsonApiResource\OmittedData extends \Drupal\jsonapi\JsonApiResource\ResourceObjectData
class \Drupal\jsonapi\JsonApiResource\Relationship implements \Drupal\jsonapi\JsonApiResource\TopLevelDataInterface
class \Drupal\jsonapi\JsonApiResource\ResourceObjectData extends \Drupal\jsonapi\JsonApiResource\Data implements \Drupal\jsonapi\JsonApiResource\TopLevelDataInterface