void regress_foo_async_ready_callback Gio.Cancellable cancellable Gio.AsyncReadyCallback callback Regress.foo_async_ready_callback function foo_async_ready_callback(cancellable: Gio.Cancellable, callback: Gio.AsyncReadyCallback): void { // Gjs wrapper for regress_foo_async_ready_callback() } <code>cancellable</code> <code>callback</code>