@Override
        public Traversal<Vertex, Object> get_g_V_hasXageX_propertiesXname_ageX_value() {
            return g.V().has("age").properties("name", "age").value();
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/PropertiesTest.java