EntityDisplayInterface

class \Drupal\Core\Entity\EntityDisplayBase extends \Drupal\Core\Entity\Display\EntityDisplayInterface implements \Drupal\Core\Config\Entity\ConfigEntityBase
class \Drupal\Core\Entity\Entity\EntityFormDisplay extends \Drupal\Core\Entity\Display\EntityFormDisplayInterface implements \Drupal\Core\Entity\EntityDisplayBase
class \Drupal\Core\Entity\Entity\EntityViewDisplay extends \Drupal\Core\Entity\Display\EntityViewDisplayInterface implements \Drupal\Core\Entity\EntityDisplayBase
class \Drupal\Tests\Core\Config\Entity\EntityDisplayBaseMockableClass implements \Drupal\Core\Entity\EntityDisplayBase

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