pub unsafe extern "C" fn g_closure_add_finalize_notifier(
closure: *mut GClosure,
notify_data: gpointer,
notify_func: GClosureNotify,
)
pub unsafe extern "C" fn g_closure_add_finalize_notifier(
closure: *mut GClosure,
notify_data: gpointer,
notify_func: GClosureNotify,
)