signal callback delegate or function to connect
bool callback(string mechanism, gio.dbus_auth_observer.DBusAuthObserver dBusAuthObserver)
mechanism The name of the mechanism, e.g. DBUS_COOKIE_SHA1. (optional)
dBusAuthObserver the instance the signal is connected to (optional)
Returns true if mechanism can be used to authenticate the other peer, false if not.
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to AllowMechanism signal.
Emitted to check if mechanism is allowed to be used.