+download_size is declared as gint64
+--- gnome-builder-41.3/src/plugins/flatpak/daemon/ipc-flatpak-service-impl.c.orig 2021-12-07 06:34:00.146611500 +0100
++++ gnome-builder-41.3/src/plugins/flatpak/daemon/ipc-flatpak-service-impl.c 2021-12-08 21:28:03.814309258 +0100
+@@ -597,7 +597,7 @@ is_known_worker (GTask *task,
+ }
+
+ finish:
+- g_debug ("RuntimeIsKnown => (%d, %"G_GSIZE_FORMAT")", found, download_size);
++ g_debug ("RuntimeIsKnown => (%d, %"G_GINT64_FORMAT")", found, download_size);
+ ipc_flatpak_service_complete_runtime_is_known (g_task_get_source_object (task),
+ g_steal_pointer (&state->invocation),
+ found,