EntityDescriptionInterface

class \Drupal\entity_test\Entity\EntityTestBundle implements \Drupal\Core\Entity\EntityDescriptionInterface extends \Drupal\Core\Config\Entity\ConfigEntityBundleBase
class \Drupal\entity_test\Entity\EntityTestMulBundle implements \Drupal\Core\Entity\EntityDescriptionInterface extends \Drupal\Core\Config\Entity\ConfigEntityBundleBase
class \Drupal\media\Entity\MediaType implements \Drupal\media\MediaTypeInterface, \Drupal\Core\Entity\EntityWithPluginCollectionInterface extends \Drupal\Core\Config\Entity\ConfigEntityBundleBase

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