pub unsafe extern "C" fn fp_device_verify(
device: *mut FpDevice,
enrolled_print: *mut FpPrint,
cancellable: *mut GCancellable,
match_cb: FpMatchCb,
match_data: gpointer,
match_destroy: GDestroyNotify,
callback: GAsyncReadyCallback,
user_data: gpointer,
)