@Override
        public Traversal<Vertex, Map<String, Object>> get_g_V_hasXname_gremlinX_inEXusesX_order_byXskill_ascX_asXaX_outV_asXbX_selectXa_bX_byXskillX_byXnameX() {
            return g.V().has("name", "gremlin").inE("uses").order().by("skill", Order.asc).as("a").outV().as("b").select("a", "b").by("skill").by("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/SelectTest.java