code: public Topics getTopics() throws JinxException {
      Map<String, String> params = new TreeMap<>();
      params.put("method", "flickr.push.getTopics");
      return jinx.flickrGet(params, Topics.class);
    }
docs: Get all available push topics.
  
  (this method is experimental and may change)
  
  This method does not require authentication.
  
  @return all the different flavors of topics.
  @throws JinxException if there are any errors.
  @see <a href="https://www.flickr.com/services/api/flickr.push.getTopics.html">flickr.push.getTopics</a>