code: public PhotosetInfo getInfo(String photosetId) throws JinxException {
      JinxUtils.validateParams(photosetId);
      Map<String, String> params = new TreeMap<>();
      params.put("method", "flickr.photosets.getInfo");
      params.put("photoset_id", photosetId);
      return jinx.flickrGet(params, PhotosetInfo.class);
    }
docs: Gets information about a photoset.
  This method does not require authentication.
  
  @param photosetId the id of the photoset to fetch information for.
  @return instance of {@link net.jeremybrooks.jinx.response.photosets.PhotosetInfo} with data returned by
  the getInfo method. The url is not returned, and some of the counts are not returned by this method.
  @throws JinxException if there are any errors.
  @see <a href="https://www.flickr.com/services/api/flickr.photosets.getInfo.html">flickr.photosets.getInfo</a>