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- <?php
- namespace Drupal\Core\Entity\Plugin\Validation\Constraint;
- use Symfony\Component\Validator\Constraint;
- /**
- * Validation constraint for the entity changed timestamp.
- *
- * @Constraint(
- * id = "EntityChanged",
- * label = @Translation("Entity changed", context = "Validation"),
- * type = {"entity"}
- * )
- */
- class EntityChangedConstraint extends Constraint {
- public $message = 'The content has either been modified by another user, or you have already submitted modifications. As a result, your changes cannot be saved.';
- }
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