public String uiType() {
        return get(UI_TYPE, null);
    }
@Test
    public void uiType() {
        print(cfg);
        assertEquals("not default type", null, cfg.uiType());
        cfg.uiType("someOtherType");
        print(cfg);
        assertEquals("not other type", "someOtherType", cfg.uiType());
    }