@Override
        public Traversal<Vertex, Path> get_g_V_repeatXoutXknowsXX_untilXrepeatXoutXcreatedXX_emitXhasXname_lopXXX_path_byXnameX() {
            return g.V().repeat(out("knows")).until(__.repeat(out("created")).emit(__.has("name", "lop"))).path().by("name");
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/branch/RepeatTest.java