Expanded class hierarchy of ContactInterface in CRM Core 8
- interface \Drupal\Core\Entity\ContentEntityInterface extends \Drupal\Core\Entity\Traversable; interface \Drupal\Core\Entity\EntityChangedInterface; interface \Drupal\user\EntityOwnerInterface
- interface \Drupal\crm_core_contact\ContactInterface
- interface \Drupal\crm_core_contact\IndividualInterface
- interface \Drupal\crm_core_contact\OrganizationInterface
- interface \Drupal\crm_core_contact\ContactInterface