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.
Последние новости
，这一点在体育直播中也有详细论述
21:19, 2 марта 2026Мир
Стало известно о брошенных на севере Украины наемниках ВСУ08:51
15. Survivor 50: In the Hands of the Fans