Expanded class hierarchy of CommentInterface in Drupal 9
- interface \Drupal\Core\Entity\ContentEntityInterface extends \Drupal\Core\Entity\Traversable; interface \Drupal\Core\Entity\EntityChangedInterface; interface \Drupal\user\EntityOwnerInterface; interface \Drupal\Core\Entity\EntityPublishedInterface
- interface \Drupal\comment\CommentInterface