code: public ReplyInfo getInfo(String topicId, String replyId) throws JinxException {
      JinxUtils.validateParams(topicId, replyId);
      Map<String, String> params = new TreeMap<>();
      params.put("method", "flickr.groups.discuss.replies.getInfo");
      params.put("topic_id", topicId);
      params.put("reply_id", replyId);
      return jinx.flickrGet(params, ReplyInfo.class);
    }
docs: Get information on a group topic reply.
  <br>
  
  @param topicId (Required) The ID of the topic the post is in.
  @param replyId (Required) The ID of the reply to fetch.
  @return reply information.
  @throws JinxException if required parameters are missing, or if there are any errors.
  @see <a href="https://www.flickr.com/services/api/flickr.groups.discuss.replies.getInfo.html">flickr.groups.discuss.replies.getInfo</a>