static <T0, T1> TupleGetter0<Tuple2<T0, T1>, T0> getter0() {
        return Tuple2::get0;
    }
Returns a {@link TupleGetter getter} for the 0th element in the {@code
Tuple}.

@return     the element at the 0th position
@param <T0> the 0th element type
@param <T1> the 1st element type
common-parent/tuple/src/main/java/com/speedment/common/tuple/Tuple2.java