UrlBuilder builder = new UrlBuilder(path);
UrlBuilder builder = new UrlBuilder(path, false);
    public void testUrlWithValuelessParameter() throws Exception {        String path = "/test/page.jsp";        UrlBuilder builder = new UrlBuilder(path);        builder.addParameter("one");        builder.addParameter("two", "");        builder.addParameter("three");        String result = builder.toString();        Assert.assertEquals(result, "/test/page.jsp?one=&two=&three=");    }