2 void set_foreground(in int pid, in int value) async;
3 int get_private_data(in int pid, in string key, out string data);
4 int auth_enable(in int pid);
5 int auth_disable(in int pid);
6 int auth_start(in int pid);
7 int auth_stop(in int pid);
8 int auth_cancel(in int pid);