internal extern static int dbus_msg_body_get_variant(NMessageHandle.UdbusMessageHandle msg, ref Udbus.Types.dbus_sig signature);
 protected dbus_union(Udbus.Types.dbus_sig value)
 {
     this.DbusSignature = value;
 }
 internal extern static void dbus_msg_set_signature(NMessageHandle.UdbusMessageHandle msg, ref Udbus.Types.dbus_sig signature);