@Override
        public Traversal<Vertex, String> get_g_V_chooseXhasLabelXpersonX_and_outXcreatedX__outXknowsX__identityX_name() {
            return g.V().choose(hasLabel("person").and().out("created"), out("knows"), identity()).values("name");
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
@author Joshua Shinavier (http://fortytwo.net)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/branch/ChooseTest.java