class NamedGraphGenerator {

    public static Graph<Integer, DefaultEdge> erreraGraph()
    {
        Graph<Integer, DefaultEdge> g = new SimpleGraph<>(DefaultEdge.class);
        new NamedGraphGenerator<Integer, DefaultEdge>(new IntegerVertexFactory())
            .generateErreraGraph(g);
        return g;
    }

    public  NamedGraphGenerator(VertexFactory<V> vertexFactory);

}