public function dump(\Twig_Environment $env, $context, ...$vars)
    {
        if (!$env->isDebug()) {
            return null;
        }

        if (!$vars) {
            $vars = [];
            foreach ($context as $key => $value) {
                if (!$value instanceof \Twig_Template) {
                    $vars[$key] = $value;
                }
            }
        }

        ob_start();

        VarDumper::dump($vars);

        echo ob_get_clean();
    }