@Override
        public Traversal<Vertex, String> get_g_withSackXhelloX_V_outE_sackXassignX_byXlabelX_inV_sack() {
            return g.withSack("hello").V().outE().sack(Operator.assign).by(T.label).inV().sack();
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/sideEffect/SackTest.java