public val accountType: AccountType = AccountType.NETEASE_FREE,
The Writer is not a concrete class. Any object that implements write(), end(), and abort() can be a writer making it easy to adapt existing APIs or create specialized implementations without subclassing. There's no complex UnderlyingSink protocol with start(), write(), close(), and abort() callbacks that must coordinate through a controller whose lifecycle and state are independent of the WritableStream it is bound to.
，这一点在WPS官方版本下载中也有详细论述
Цены на нефть взлетели до максимума за полгода17:55，详情可参考搜狗输入法下载
Aragon GP — Aug. 30。关于这个话题，爱思助手下载最新版本提供了深入分析