EntityChangedInterface

class \Drupal\Core\Entity\EditorialContentEntityBase implements \Drupal\Core\Entity\EntityChangedInterface, \Drupal\Core\Entity\EntityPublishedInterface, \Drupal\Core\Entity\RevisionLogInterface uses \Drupal\Core\Entity\EntityChangedTrait, \Drupal\Core\Entity\EntityPublishedTrait, \Drupal\Core\Entity\RevisionLogEntityTrait extends \Drupal\Core\Entity\ContentEntityBase
class \Drupal\content_entity_example\Entity\Contact implements \Drupal\content_entity_example\ContactInterface uses \Drupal\Core\Entity\EntityChangedTrait extends \Drupal\Core\Entity\ContentEntityBase
class \Drupal\taxonomy\Entity\Term implements \Drupal\taxonomy\TermInterface extends \Drupal\Core\Entity\EditorialContentEntityBase
class \Drupal\user\Entity\User implements \Drupal\user\UserInterface uses \Drupal\Core\Entity\EntityChangedTrait extends \Drupal\Core\Entity\ContentEntityBase

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