public void incrementRetryAfterBackoffErrorCount(boolean remoteColo, String datacenter) {
    if (remoteColo) {
      dcToRetryAfterBackoffError.get(datacenter).inc();
      dcToReplicationError.get(datacenter).inc();
    } else {
      intraColoRetryAfterBackoffErrorCount.inc();
      intraColoReplicationErrorCount.inc();
    }
  }
This is not used anywhere.
@param sslEnabled
ambry-replication/src/main/java/com/github/ambry/replication/ReplicationMetrics.java