New 创建配置管理器实例.

DefaultConfigName is the default name of the config file.

DefaultConfigPath is the default path to the config directory.

DefaultScriptName is the default name of the script file.

ErrConfigEmpty is the error returned when the config file is empty.

ErrConfigNotExist is the error returned when the config file does not exist.

ErrDeviceModelNameNull is the error returned when the device model name is empty.

ErrUnknownDevice is the error returned when the device is unknown.

ErrUnknownModel is the error returned when the model is unknown.

Manager 配置管理器接口.