Gio.DBusProxy.prototype.get_interface_info

function get_interface_info(): Gio.DBusInterfaceInfo {
    // Gjs wrapper for g_dbus_proxy_get_interface_info()
}

Returns the Gio.DBusInterfaceInfo, if any, specifying the interface that proxy conforms to. See the Gio.DBusProxy.g_interface_info property for more details.

Since 2.26

Returns: A Gio.DBusInterfaceInfo or null. Do not unref the returned object, it is owned by proxy.