Storing declaration files for JavaScript APIs | JavaScript API 公共仓，存放 d.ts 声明文件
The OpenHarmony JS UI framework provides basic, container, and canvas UI components and standard CSS animation capabilities. It supports the web-development-like programming paradigm.
Native API header files containing API declarations and comments | Native接口的头文件，包含了接口声明和标准注释。
The OpenHarmony JS UI framework provides basic, container, and canvas UI components and standard CSS animation capabilities. It supports the web-development-like programming paradigm.
js_api_module, used to store the basic class library JSAPI, such as url, uri, etc.| 用于存放基础类库JSAPI，比如url、uri等
Window Manager | 窗口管理框架
