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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Раскрыты подробности о договорных матчах в российском футболе18:01。爱思助手下载最新版本是该领域的重要参考
“山西电力现货市场将全部电量纳入竞争机制，发挥价格‘指挥棒’作用，并安排新能源企业优先出清，促进资源合理利用。”山西省能源局有关负责人说。