auto_entitylabel-8.x-3.x-dev/src/Plugin/Validation/EntityLabelNotNullConstraint.php

<?php

namespace Drupal\auto_entitylabel\Plugin\Validation;

use Drupal\Core\Validation\Plugin\Validation\Constraint\NotNullConstraint;

/**
 * Class for Entity Label Not Null Constraint.
 *
 * Custom override of NotNull constraint to allow empty entity labels to
 * validate before the automatic label is set.
 */
class EntityLabelNotNullConstraint extends NotNullConstraint {}