public function contentForRoute($route = null)
    {
        $content = $this->contentForInternalRoute($route);
        if ($content->internal === true) {
            $msg = t("The content '!ROUTE' does not exists as a public route.", ["!ROUTE" => $route]);
            throw new \Anax\Exception\NotFoundException($msg);
        }

        return $content;
    }