@Override
        public Traversal<Vertex, Map<String, String>> get_g_V_matchXa_created_b__c_created_bX_selectXa_b_cX_byXnameX() {
            return g.V().match(
                    as("a").out("created").as("b"),
                    as("c").out("created").as("b")).<String>select("a", "b", "c").by("name");
        }
@author Joshua Shinavier (http://fortytwo.net)
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/MatchTest.java