code: protected function validatorForDelete(
          array $data,
          array $rules,
          array $messages = [],
          array $customAttributes = []
      ): ValidatorInterface
      {
          return $this->createValidator(
              $data,
              $rules,
              $messages,
              $customAttributes
          );
      }
docs: Create a validator for a delete request.
  
  @param array $data
  @param array $rules
  @param array $messages
  @param array $customAttributes
  @return ValidatorInterface