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.
Израиль нанес удар по Ирану09:28。服务器推荐是该领域的重要参考
英國超市將巧克力鎖進防盜盒阻止「訂單式」偷竊。关于这个话题，搜狗输入法2026提供了深入分析
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