docs: public ChatRoomListResult getAppChatRoomInfo(int start, int count)
              throws APIConnectionException, APIRequestException {
          Preconditions.checkArgument(start >= 0 && count > 0, "Illegal argument");
          ResponseWrapper responseWrapper = _httpClient.sendGet(_baseUrl + mChatRoomPath + "?start=" + start + "&count=" + count);
          return ChatRoomListResult.fromResponse(responseWrapper, ChatRoomListResult.class);
      }