code: @Override
      public ResponseList<User> getUserSuggestions(String categorySlug) throws TwitterException {
          HttpResponse res;
          try {
              res = get(conf.getRestBaseURL() + "users/suggestions/" + URLEncoder.encode(categorySlug, "UTF-8") + ".json");
          } catch (UnsupportedEncodingException e) {
              throw new RuntimeException(e);
          }
          return factory.createUserListFromJSONArray_Users(res);
      }
docs: /* Suggested Users Resources