@SuppressWarnings("unchecked")
    @Override
    public Optional<T1> get1() {
        return Optional.ofNullable((T1) values[1]);
    }
Constructs a {@link TupleOfNullables} of type {@link Tuple5OfNullables}.

@param e0 element 0
@param e1 element 1
@param e2 element 2
@param e3 element 3
@param e4 element 4
common-parent/tuple/src/main/java/com/speedment/common/tuple/internal/nullable/Tuple5OfNullablesImpl.java