code: public ChatRoomListResult getAppChatRoomInfo(int start, int count)
              throws APIConnectionException, APIRequestException {
          return _chatRoomClient.getAppChatRoomInfo(start, count);
      }
docs: Get application's chat room list
  
  @param start start index
  @param count list count
  @return {@link ChatRoomListResult}
  @throws APIConnectionException connect exception
  @throws APIRequestException    request exception