Expanded class hierarchy of NotNullConstraint in Drupal 8
- class \Drupal\Core\Validation\Plugin\Validation\Constraint\NotNullConstraint extends \Symfony\Component\Validator\Constraints\NotNull
- class \Drupal\auto_entitylabel\Plugin\Validation\EntityLabelNotNullConstraint
- class \Drupal\auto_entitylabel\Plugin\Validation\EntityLabelNotNullConstraint
- class \Drupal\auto_entitylabel\Plugin\Validation\EntityLabelNotNullConstraint
- class \Drupal\commerce_autosku\Plugin\Validation\CommerceSkuNotNullConstraint