@Override
        public Traversal<Vertex, Vertex> get_g_V_coinX1X() {
            return g.V().coin(1.0d);
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/filter/CoinTest.java