@SuppressWarnings("unchecked")
    @Override
    public Optional<T6> get6() {
        return Optional.ofNullable((T6) values[6]);
    }
Constructs a {@link MutableTuple} of type {@link MutableTuple14}.
common-parent/tuple/src/main/java/com/speedment/common/tuple/internal/mutable/MutableTuple14Impl.java