CacheableNotFoundHttpException example

  protected static function throwNotFoundHttpException(EntityInterface $entity, $resource_version_identifier) {
    $cacheability = CacheableMetadata::createFromObject($entity)->addCacheContexts(['url.path', 'url.query_args:' . ResourceVersionRouteEnhancer::RESOURCE_VERSION_QUERY_PARAMETER]);
    $reason = sprintf('The requested version, identified by `%s`, could not be found.', $resource_version_identifier);
    throw new CacheableNotFoundHttpException($cacheability, $reason);
  }

  /** * Throws a cacheable error exception. * * @param string $resource_version_identifier * The user input for the revision negotiation. * * @throws \Drupal\Core\Http\Exception\CacheableBadRequestHttpException */
  protected static function throwBadRequestHttpException($resource_version_identifier) {