@Override
        public Traversal<Edge, Edge> get_g_addEXV_outE_label_groupCount_orderXlocalX_byXvalues_descX_selectXkeysX_unfold_limitX1XX_fromXV_hasXname_vadasXX_toXV_hasXname_lopXX() {
            return g.addE(V().outE().label().groupCount().order(local).by(values, desc).select(keys).<String>unfold().limit(1)).from(V().has("name", "vadas")).to(V().has("name", "lop"));
        }
@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/map/AddEdgeTest.java