@SuppressWarnings("unchecked")
    @Override
    public Optional<T16> get16() {
        return Optional.ofNullable((T16) values[16]);
    }
Constructs a {@link MutableTuple} of type {@link MutableTuple20}.
common-parent/tuple/src/main/java/com/speedment/common/tuple/internal/mutable/MutableTuple20Impl.java