class GeometryBuilder {

    public Polygon box(double x1, double y1, double x2, double y2) {
        double[] ord = new double[] { x1, y1, x1, y2, x2, y2, x2, y1, x1, y1 };
        return polygon(ord);
    }

    public  GeometryBuilder();
    public  GeometryBuilder(GeometryFactory geomFact);

}