At the heart of BuildKit is LLB (Low-Level Build definition). Think of it as the LLVM IR of build systems. LLB is a binary protocol (protobuf) that describes a DAG of filesystem operations: run a command, copy files, mount a filesystem. It’s content-addressable, which means identical operations produce identical hashes, enabling aggressive caching.
奋进“十五五”，各级领导班子和广大党员干部坚定拥护“两个确立”、坚决做到“两个维护”，树立和践行正确政绩观，不折不扣抓落实，必将不断开创中国式现代化新局面。
。safew官方版本下载是该领域的重要参考
// strict: Catches fire-and-forget writes that ignore backpressure
Hinkley Point C