public static TinkerGraph createModern() {
        final TinkerGraph g = getTinkerGraphWithCurrentNumberManager();
        generateModern(g);
        return g;
    }
Create the "modern" graph which has the same structure as the "classic" graph from TinkerPop 2.x but includes
3.x features like vertex labels.
tinkergraph-gremlin/src/main/java/org/apache/tinkerpop/gremlin/tinkergraph/structure/TinkerFactory.java