code: protected function throwValidationException($result, $validator)
      {
          $response = new JsonResponse($result, 200);
  
          if ($result !== true && class_exists(ValidationException::class)) {
              throw new ValidationException($validator, $response);
          }
  
          throw new HttpResponseException($response);
      }
docs: Throw the failed validation exception.
  
  @param mixed $result
  @param \Illuminate\Validation\Validator  $validator
  @return void
  
  @throws \Illuminate\Validation\ValidationException|\Illuminate\Http\Exceptions\HttpResponseException