@Override
        public Traversal<Vertex, Map<String, Number>> get_g_V_projectXa_bX_byXinE_countX_byXageX() {
            return g.V().<Number>project("a", "b").by(__.inE().count()).by("age");
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/ProjectTest.java