@Override
        public Traversal<Vertex, Path> get_g_V_emit_repeatXoutX_timesX2X_path() {
            return g.V().emit().repeat(out()).times(2).path();
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/branch/RepeatTest.java