code: public TagsForUser getMostFrequentlyUsed() throws JinxException {
      Map<String, String> params = new TreeMap<>();
      params.put("method", "flickr.tags.getMostFrequentlyUsed");
      return jinx.flickrGet(params, TagsForUser.class);
    }
docs: Returns a list of most frequently used tags for a user.
  
  This method requires authentication with 'read' permission.
  
  @return most frequently used tags for the calling user.
  @throws JinxException if there are any errors.
  @see <a href="https://www.flickr.com/services/api/flickr.tags.getMostFrequentlyUsed.html">flickr.tags.getMostFrequentlyUsed</a>