其构造函数含有两个参数：初始化属性和预配置的记录器(logger)实例。

Its constructor takes two arguments: initialization properties and a pre-configured logger instance. Properties object contains the following.

youdao

其构造函数含有两个参数：初始化属性和预配置的记录器(logger)实例。

Its constructor takes two arguments: initialization properties and a pre-configured logger instance. Properties object contains the following.

youdao