Gio.DBusObject

const Gio = imports.gi.Gio;

let d_bus_object = new Gio.DBusObject();
  

The Gio.DBusObject type is the base type for D-Bus objects on both the service side (see Gio.DBusObjectSkeleton) and the client side (see Gio.DBusObjectProxy). It is essentially just a container of interfaces.