"(2) Provide a developer who has requested a signal with respect to a particular user with a digital signal via a reasonably consistent real-time application programming interface that identifies, at a minimum, which of the following categories pertains to the user."
If you’re interested, I discovered this issue that lists OSTree ports for other distributions (Linux Mint, Arch, Ubuntu, Gentoo).
。关于这个话题，heLLoword翻译官方下载提供了深入分析
Streams are iterables.
ВсеКиноСериалыМузыкаКнигиИскусствоТеатр