code: public ResponseWrapper updateUserSpeakStatus(long roomId, String username, int flag)
              throws APIConnectionException, APIRequestException {
          return _chatRoomClient.updateUserSpeakStatus(roomId, username, flag);
      }
docs: Update user speak status
  
  @param roomId   chat room id
  @param username user to be modified
  @param flag     0 means allow to speak, 1 means forbid to speak in chat room
  @return No content
  @throws APIConnectionException connect exception
  @throws APIRequestException    request exception