No base class to extend, no abstract methods to implement, no controller to coordinate with. Just an object with the right shape.
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，爱思助手下载最新版本提供了深入分析
// Synchronous consumption — no promises, no event loop trips，更多细节参见下载安装汽水音乐
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