docs: public void addTags(String photoId, String[] tags) throws FlickrException {
          Map<String, Object> parameters = new HashMap<String, Object>();
          parameters.put("method", METHOD_ADD_TAGS);
  
          parameters.put("photo_id", photoId);
          parameters.put("tags", StringUtilities.join(tags, " ", true));
  
          Response response = transport.post(transport.getPath(), parameters, apiKey, sharedSecret);
          if (response.isError()) {
              throw new FlickrException(response.getErrorCode(), response.getErrorMessage());
          }
      }