docs: public ResponseWrapper updateUserSpeakStatus(long roomId, String username, int flag)
              throws APIConnectionException, APIRequestException {
          Preconditions.checkArgument(roomId > 0, "room id is invalid");
          StringUtils.checkUsername(username);
          Preconditions.checkArgument(flag == 0 || flag == 1, "flag should be 0 or 1");
          return _httpClient.sendPut(_baseUrl + mChatRoomPath + "/" + roomId + "/forbidden/" + username + "?status=" + flag, null);
      }