@Override
        public Traversal<Vertex, String> get_g_V_out_outE_inV_inE_inV_both_name() {
            return g.V().out().outE().inV().inE().inV().both().values("name");
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
@author Stephen Mallette (http://stephen.genoprime.com)
@author Daniel Kuppitz (http://gremlin.guru)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/VertexTest.java