Virtualvfunc_Gets the Gio.DBusObject that interface_ belongs to, if any.
Virtualvfunc_Gets D-Bus introspection information for the D-Bus interface
implemented by interface_.
Virtualvfunc_Sets the Gio.DBusObject for interface_ to object.
Note that interface_ will hold a weak reference to object.
Optionalobject: Gio.DBusObjectA Gio.DBusObject or null.
Interface for implementing DBusInterface. Contains only the virtual methods that need to be implemented.