@Override
        public Traversal<Vertex, Vertex> get_g_addVXpersonX_propertyXsingle_name_stephenX_propertyXsingle_name_stephenmX() {
            return g.addV("person").property(VertexProperty.Cardinality.single, "name", "stephen").property(VertexProperty.Cardinality.single, "name", "stephenm");
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/AddVertexTest.java