ObjectWithPluginCollectionInterface

class \Drupal\Core\Entity\EntityDisplayBase extends \Drupal\Core\Config\Entity\ConfigEntityBase implements \Drupal\Core\Entity\Display\EntityDisplayInterface
class \Drupal\Core\Entity\Entity\EntityFormDisplay extends \Drupal\Core\Entity\EntityDisplayBase implements \Drupal\Core\Entity\Display\EntityFormDisplayInterface
class \Drupal\Core\Entity\Entity\EntityViewDisplay extends \Drupal\Core\Entity\EntityDisplayBase implements \Drupal\Core\Entity\Display\EntityViewDisplayInterface
class \Drupal\block\Entity\Block extends \Drupal\Core\Config\Entity\ConfigEntityBase implements \Drupal\block\BlockInterface, \Drupal\Core\Entity\EntityWithPluginCollectionInterface
class \Drupal\field_layout\Entity\FieldLayoutEntityFormDisplay extends \Drupal\Core\Entity\Entity\EntityFormDisplay implements \Drupal\field_layout\Display\EntityDisplayWithLayoutInterface uses \Drupal\field_layout\Entity\FieldLayoutEntityDisplayTrait
class \Drupal\field_layout\Entity\FieldLayoutEntityViewDisplay extends \Drupal\Core\Entity\Entity\EntityViewDisplay implements \Drupal\field_layout\Display\EntityDisplayWithLayoutInterface uses \Drupal\field_layout\Entity\FieldLayoutEntityDisplayTrait
class \Drupal\filter\Entity\FilterFormat extends \Drupal\Core\Config\Entity\ConfigEntityBase implements \Drupal\filter\FilterFormatInterface, \Drupal\Core\Entity\EntityWithPluginCollectionInterface
class \Drupal\image\Entity\ImageStyle extends \Drupal\Core\Config\Entity\ConfigEntityBase implements \Drupal\image\ImageStyleInterface, \Drupal\Core\Entity\EntityWithPluginCollectionInterface
class \Drupal\layout_builder\Entity\LayoutBuilderEntityViewDisplay extends \Drupal\Core\Entity\Entity\EntityViewDisplay implements \Drupal\layout_builder\Entity\LayoutEntityDisplayInterface uses \Drupal\layout_builder\LayoutEntityHelperTrait, \Drupal\layout_builder\SectionListTrait
class \Drupal\media\Entity\MediaType extends \Drupal\Core\Config\Entity\ConfigEntityBundleBase implements \Drupal\media\MediaTypeInterface, \Drupal\Core\Entity\EntityWithPluginCollectionInterface
class \Drupal\rest\Entity\RestResourceConfig extends \Drupal\Core\Config\Entity\ConfigEntityBase implements \Drupal\rest\RestResourceConfigInterface
class \Drupal\search\Entity\SearchPage extends \Drupal\Core\Config\Entity\ConfigEntityBase implements \Drupal\search\SearchPageInterface, \Drupal\Core\Entity\EntityWithPluginCollectionInterface
class \Drupal\system\Entity\Action extends \Drupal\Core\Config\Entity\ConfigEntityBase implements \Drupal\system\ActionConfigEntityInterface, \Drupal\Core\Entity\EntityWithPluginCollectionInterface
class \Drupal\workflows\Entity\Workflow extends \Drupal\Core\Config\Entity\ConfigEntityBase implements \Drupal\workflows\WorkflowInterface, \Drupal\Core\Entity\EntityWithPluginCollectionInterface