public function has($searchKey)
    {
        $default = microtime(true);

        if($default == array_get($this->settings, $searchKey, $default) and !is_null($this->fallback))
        {
            return $this->fallback->fallbackHas($searchKey);
        }
        return $default !== array_get($this->settings, $searchKey, $default);
    }