}

	_, err = checker.Authenticate(c, clientKey)
	return err
}

type sftpLogger struct{}

func (s *sftpLogger) Info(tag xsftp.LogType, msg string) {
	logger.Info(msg)
}

func (s *sftpLogger) Error(tag xsftp.LogType, err error) {
	switch tag {
	case xsftp.AcceptNetworkError:
		sftpLogOnceIf(context.Background(), err, "accept-limit-sftp")
	case xsftp.AcceptChannelError:

	limitStr := r.Form.Get("limit")
	limitLines, err := strconv.Atoi(limitStr)
	if err != nil {
		limitLines = 10
	}

	logKind := madmin.LogKind(strings.ToUpper(r.Form.Get("logType"))).LogMask()
	if logKind == 0 {
		logKind = madmin.LogMaskAll
	}

	// Avoid reusing tcp connection if read timeout is hit
	// This is needed to make r.Context().Done() work as

      int cmp = comparator.compare(lowEnd, upEnd);
      if (cmp > 0 || (cmp == 0 && lowType == OPEN && upType == OPEN)) {
        // force allowed empty range
        lowEnd = upEnd;
        lowType = OPEN;
        upType = CLOSED;
      }
    }

    return new GeneralRange<>(comparator, hasLowBound, lowEnd, lowType, hasUpBound, upEnd, upType);
  }

  @Override

      int cmp = comparator.compare(lowEnd, upEnd);
      if (cmp > 0 || (cmp == 0 && lowType == OPEN && upType == OPEN)) {
        // force allowed empty range
        lowEnd = upEnd;
        lowType = OPEN;
        upType = CLOSED;
      }
    }

    return new GeneralRange<>(comparator, hasLowBound, lowEnd, lowType, hasUpBound, upEnd, upType);
  }

  @Override