@Override
  public QuotaType getQuotaType() {
    throw new UnsupportedOperationException();
  }
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