Expanded class hierarchy of PaymentInterface in Payment 8.2
- interface \Drupal\Core\Entity\ContentEntityInterface extends \Drupal\Core\Entity\Traversable; interface \Drupal\Core\Entity\EntityChangedInterface; interface \Drupal\user\EntityOwnerInterface; interface \Drupal\payment\LineItemCollectionInterface
- interface \Drupal\payment\Entity\PaymentInterface