This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greasyfork.org/scripts/446130/1216625/%E7%A7%81%E6%9C%89%E4%B8%8D%E5%85%AC%E5%BC%80%E4%BE%9D%E8%B5%96.js