It defines just enough to let you declare an injection point, with qualifiers, and then leaves the rest undefined.

它只定义了带有修饰符的注入点而已，其他的都没有定义。

youdao

It defines just enough to let you declare an injection point, with qualifiers, and then leaves the rest undefined.

它只定义了带有修饰符的注入点而已，其他的都没有定义。

youdao