@Override
        public Traversal<Vertex, String> get_g_V_out_asXcX_matchXb_knows_a__c_created_eX_selectXcX() {
            return g.V().out().as("c").match(
                    as("b").out("knows").as("a"),
                    as("c").out("created").as("e")).select("c");
        }
@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