class Tuple8 extends Tuple7<T1, T2, T3, T4, T5, T6, T7> implements Tuple {

    @Override
    public String toString() {
        return "Tuple{" +
                "item1=" + item1 +
                ",item2=" + item2 +
                ",item3=" + item3 +
                ",item4=" + item4 +
                ",item5=" + item5 +
                ",item6=" + item6 +
                ",item7=" + item7 +
                ",item8=" + item8 +
                '}';
    }

      Tuple8(T1 a, T2 b, T3 c, T4 d, T5 e, T6 f, T7 g, T8 h);

}