SequentiallyConstraint.php

<?php

declare (strict_types=1);
namespace Drupal\Core\Validation\Plugin\Validation\Constraint;

use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\Core\Validation\Attribute\Constraint;
use Drupal\Core\Validation\CompositeConstraintInterface;
use Symfony\Component\Validator\Constraints\Sequentially;
use Symfony\Component\Validator\Constraints\SequentiallyValidator;

/**
 * Checks constraints sequentially and shows the error from the first.
 */
class SequentiallyConstraint extends Sequentially implements CompositeConstraintInterface {
  
  /**
   * {@inheritdoc}
   */
  public static function getCompositeOptionStatic() : string {
    return 'constraints';
  }
  
  /**
   * {@inheritdoc}
   */
  public function validatedBy() : string {
    return SequentiallyValidator::class;
  }

}