void extractQuotaSnapshot(Result result, Map<TableName, SpaceQuotaSnapshot> snapshots) {
    QuotaTableUtil.extractQuotaSnapshot(result, snapshots);
  }
Wrapper around {@link QuotaTableUtil#extractQuotaSnapshot(Result, Map)} for testing.
hbase-server/src/main/java/org/apache/hadoop/hbase/quotas/SpaceQuotaRefresherChore.java