static Put createPutForSpaceSnapshot(TableName tableName, SpaceQuotaSnapshot snapshot) {
    Put p = new Put(getTableRowKey(tableName));
    p.addColumn(QUOTA_FAMILY_USAGE, QUOTA_QUALIFIER_POLICY,
      SpaceQuotaSnapshot.toProtoSnapshot(snapshot).toByteArray());
    return p;
  }
Creates a {@link Put} to store the given {@code snapshot} for the given {@code tableName} in
the quota table.
hbase-client/src/main/java/org/apache/hadoop/hbase/quotas/QuotaTableUtil.java