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.
VC is a tool, not the finish line. Only consider raising once you’ve:
，这一点在搜狗输入法2026中也有详细论述
"Nuclear energy is not just desirable, it is inevitable," he adds.。业内人士推荐同城约会作为进阶阅读
Российская разведка заявила о планах Запада вооружить Киев ядерной бомбой. В Кремле возмущены, Медведев угрожает ядерным ударом24 февраля 2026。WPS下载最新地址对此有专业解读