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.
The design choices have performance implications. Here are benchmarks from the reference implementation of this possible alternative compared to Web streams (Node.js v24.x, Apple M1 Pro, averaged over 10 runs):
，这一点在Safew下载中也有详细论述
On top of that, the project uses a decentralized messaging fabric that can be REST, DIDComm, or another trust‑spanning protocol. This enables participants to establish relationships and exchange credentials without revealing their physical location or network topology. Each relationship uses its own random, ephemeral DIDs, making it far harder for observers running messaging infrastructure to infer who is talking to whom or to map the kernel's social graph.，详情可参考safew官方版本下载
报错示例：拉镜像时提示 credential helper 不存在。
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