Expanded class hierarchy of ComplexDataInterface

interface \Drupal\Core\TypedData\TypedDataInterface
- interface \Drupal\Core\TypedData\ComplexDataInterface extends \Traversable
  - interface \Drupal\Core\Entity\EntityInterface
  - interface \Drupal\Core\Entity\Field\FieldItemInterface
- interface \Drupal\Core\TypedData\ListInterface extends \ArrayAccess \Countable \Traversable