Жители Санкт-Петербурга устроили «крысогон»17:52
// result.value is a NEW view, possibly over different memory。业内人士推荐谷歌浏览器【最新下载地址】作为进阶阅读
drop-oldest: Drops the oldest buffered data to make room. Useful for live feeds where stale data loses value.，更多细节参见safew官方版本下载
"flowName": "checkout",，更多细节参见safew官方版本下载