@Override
        public Traversal<Vertex, Set<String>> get_g_withSideEffectXa_setX_V_both_name_aggregateXlocal_aX_capXaX() {
            return g.withSideEffect("a", new HashSet()).V().both().<String>values("name").aggregate(Scope.local, "a").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/AggregateTest.java