class GeometryBuilder {

    public MultiPoint multiPointZ(double x1, double y1, double z1, double x2,
            double y2, double z2) {
        return geomFact.createMultiPoint(new Point[] { pointZ(x1, y1, z1),
                pointZ(x2, y2, z2) });
    }

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

}