No matches were found for subject:"Bug#839308\: marked as done \(libgee\-0.8\: FTBFS\: lightmapfuture.vala\:44.2\-44.23\: error\: overriding method `Gee.LightMapFuture.wait_until' is incompatible with base method `Gee.Future.wait_until'\: incompatible type of parameter 2.\)"