Силовые структуры
Раскрыты подробности похищения ребенка в Смоленске09:27，推荐阅读im钱包官方下载获取更多信息
，这一点在Line官方版本下载中也有详细论述
The primary signal is desiredSize on the controller. It can be positive (wants data), zero (at capacity), negative (over capacity), or null (closed). Producers are supposed to check this value and stop enqueueing when it's not positive. But there's nothing enforcing this: controller.enqueue() always succeeds, even when desiredSize is deeply negative.，更多细节参见safew官方版本下载
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