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.
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黄仁勋：今年游戏显卡或会迎来供应紧张，这一点在heLLoword翻译官方下载中也有详细论述
Мерц резко сменил риторику во время встречи в Китае09:25，详情可参考夫子