class GeometryBuilder {

    public MultiPoint multiPoint(double x1, double y1, double x2, double y2) {
        return geomFact
                .createMultiPoint(new Point[] { point(x1, y1), point(x2, y2) });
    }

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

}