@Test
@Ignore
public void demoDictionary() {

    Map<String, Class> dic = PreprocessingModel.dictionary(false);
    for (Entry<String, Class> o : dic.entrySet()) {
        System.out.print(o.getKey());
        System.out.print('\t');
        System.out.println(o.getValue().getSimpleName());
    }
    dic = PreprocessingModel.dictionary(true);
    for (Entry<String, Class> o : dic.entrySet()) {
        System.out.print(o.getKey());
        System.out.print('\t');
        System.out.println(o.getValue().getSimpleName());
    }
}