相关research,先记着,充电中 - [Typescript can't infer types when using Proxy](https://github.com/microsoft/TypeScript/issues/20846) - [Fix definition of `ProxyHandler`](https://github.com/microsoft/TypeScript/pull/35594) - [TypeScript 4.0 Iteration Plan](https://github.com/microsoft/TypeScript/issues/38510)