@Override
        public Traversal<Vertex, Edge> get_g_VXaX_addEXknowsX_toXbX_propertyXweight_0_1X(final Vertex a, final Vertex b) {
            return g.V(a).addE("knows").to(b).property("weight", 0.1d);
        }
@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