GUPnPServiceInfo
@info:
@introspection:
@error:
@user_data:
@info:
@Returns:
@info:
@Returns:
@info:
@Returns:
@info:
@Returns:
@info:
@Returns:
@info:
@Returns:
@info:
@Returns:
@info:
@Returns:
@info:
@Returns:
@info:
@error:
@Returns:
@info:
@callback:
@user_data: