@Override
        public Traversal<Vertex, Map<String, List<Object>>> get_g_withSideEffectXa__marko_666_noone_blahX_V_groupXaX_byXnameX_byXoutE_label_foldX_capXaX(final Map<String, List<Object>> m) {
            return g.withSideEffect("a", m).V().group("a").by("name").by(outE().label().fold()).cap("a");
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/sideEffect/GroupTest.java