EntityDescriptionInterface

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

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