private void addSystemLabel(HRegion region, Map<String, Integer> labels,
Map<String, List<Integer>> userAuths) throws IOException {
if (!labels.containsKey(SYSTEM_LABEL)) {
Put p = new Put(Bytes.toBytes(SYSTEM_LABEL_ORDINAL));
p.addImmutable(LABELS_TABLE_FAMILY, LABEL_QUALIFIER, Bytes.toBytes(SYSTEM_LABEL));
// Set auth for "system" label for all super users.
List<String> superUsers = getSystemAndSuperUsers();
for (String superUser : superUsers) {
p.addImmutable(
LABELS_TABLE_FAMILY, Bytes.toBytes(superUser), DUMMY_VALUE, LABELS_TABLE_TAGS);