General-purpose C++ classes and functions | 通用的C++功能函数和类
System ability manager | 系统服务管理
DSoftBus capabilities, including discovery, networking, and transmission | 软总线发现、组网、传输功能实现
Allowing apps to use OS account-related functions | 允许您的应用程序使用操作系统帐号相关功能
Ability management framework | 元能力框架
System ability framework | 系统服务框架定义
