治政之要在于安民，安民之道在于察其疾苦。
Что думаешь? Оцени!。WPS官方版本下载对此有专业解读
# Then save a checkpoint。搜狗输入法2026对此有专业解读
Unlimited projects,
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.