@Override
  protected void setupSetQuotaRequest(SetQuotaRequest.Builder builder) {
    // TableName/Namespace are serialized in QuotaSettings
    builder.setSpaceLimit(proto);
  }
Returns a copy of the internal state of <code>this</code>
hbase-client/src/main/java/org/apache/hadoop/hbase/quotas/SpaceLimitSettings.java