private static Configuration getNumberIdManagerConfiguration(final DefaultIdManager v, final DefaultIdManager e,
                                                                 final DefaultIdManager vp) {
        final Configuration conf = new BaseConfiguration();
        conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_VERTEX_ID_MANAGER, v.name());
        conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_EDGE_ID_MANAGER, e.name());
        conf.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_VERTEX_PROPERTY_ID_MANAGER, vp.name());
        return conf;
    }
Generate the graph in {@link #createGratefulDead()} into an existing graph.
tinkergraph-gremlin/src/main/java/org/apache/tinkerpop/gremlin/tinkergraph/structure/TinkerFactory.java