// (it isn't always in every impl)
A frontend is a container image that BuildKit runs to convert your build definition (Dockerfile, YAML, JSON, HCL, whatever) into LLB. The frontend receives the build context and the build file through the BuildKit Gateway API, and returns a serialized LLB graph.
。关于这个话题，safew官方下载提供了深入分析
（三）遗弃没有独立生活能力的被扶养人的。。爱思助手下载最新版本对此有专业解读
override fun encode(writer: ProtoWriter, `value`: KAccount) {//省略}，推荐阅读搜狗输入法下载获取更多信息