I chose YAML for familiarity, but the spec could be anything you want (JSON, TOML, a custom DSL) as long as your frontend can parse it.
So I can tell you how it worked because I had to deal with it at Google for very, very many years after any of this was relevant.
，这一点在Line官方版本下载中也有详细论述
В России спрогнозировали стабильное изменение цен на топливо14:55，更多细节参见谷歌浏览器【最新下载地址】
Olivia Dean's radiant show warms Manchester up for the Brits