@Override
  protected void setupSetQuotaRequest(Builder builder) {
    // ThrottleSettings should be used instead for setting a throttle quota.
    throw new UnsupportedOperationException(
      "This class should not be used to generate a SetQuotaRequest.");
  }
Computes a list of QuotaSettings that present the complete quota state of the combination of
this user, table, and/or namespace. Beware in calling this method repeatedly as the
implementation of it may be costly.
hbase-server/src/main/java/org/apache/hadoop/hbase/quotas/GlobalQuotaSettings.java