class DefaultValueMapTraversal implements ValueMapTraversal {

    @Override
    public List<Map<String, Object>> getResultList() {
        return stream().collect(toList());
    }

      DefaultValueMapTraversal(Supplier<GraphTraversal<?, ?>> supplier, Function<GraphTraversal<?, ?>,
            GraphTraversal<Vertex, Map<String, Object>>> flow);

}