EntityChangedConstraintValidator

class \Drupal\Core\Entity\Plugin\Validation\Constraint\EntityChangedConstraintValidator extends \Symfony\Component\Validator\ConstraintValidator
- class \Drupal\block_content\Plugin\Validation\Constraint\BlockContentEntityChangedConstraintValidator extends \Drupal\Core\Entity\Plugin\Validation\Constraint\EntityChangedConstraintValidator

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