@Override
      public void visitRegionServerQuotas(String regionServer, Quotas quotas) {
        quotaSettings.addAll(QuotaSettingsFactory.fromRegionServerQuotas(regionServer, quotas));
      }
Extracts the {@link SpaceViolationPolicy} and {@link TableName} from the provided
{@link Result} and adds them to the given {@link Map}. If the result does not contain the
expected information or the serialized policy in the value is invalid, this method will throw
an {@link IllegalArgumentException}.
@param result    A row from the quota table.
@param snapshots A map of snapshots to add the result of this method into.
hbase-client/src/main/java/org/apache/hadoop/hbase/quotas/QuotaTableUtil.java