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/482872/1508396/%E4%B8%AD%E5%BB%BA%E5%AD%A6%E4%BC%81%E6%9D%A5%E5%85%A8%E9%A2%98%E5%BA%93%E5%8D%95%E9%80%891.js