static class
QtFuture.Tuple8<A,B,C,D,E,F,G,H>
QtFuture.Tuple9<A,B,C,D,E,F,G,H,I>
static <A, B, C, D, E, F, G>QFuture<QtFuture.Tuple7<A,B,C,D,E,F,G>>
connect(QMetaObject.AbstractPrivateSignal7<A,B,C,D,E,F,G> signal)
QtFuture::connect(Sender *, Signal)