private void validateTimedQuota(final TimedQuota timedQuota) throws IOException {
    if (timedQuota.getSoftLimit() < 1) {
      throw new DoNotRetryIOException(new UnsupportedOperationException(
        "The throttle limit must be greater then 0, got " + timedQuota.getSoftLimit()));
    }
  }
Constructs a new {@link Quotas} message from {@code this}.
hbase-server/src/main/java/org/apache/hadoop/hbase/quotas/GlobalQuotaSettingsImpl.java