public void updateReplicaBatchTotalIdleTimeMs(long idleTime, boolean remoteColo, String datacenter) {
    if (remoteColo) {
      interColoReplicaBatchTotalIdleTimeMs.get(datacenter).update(idleTime);
    } else {
      intraColoReplicaBatchTotalIdleTimeMs.update(idleTime);
    }
  }
This is not used anywhere.
@param sslEnabled
ambry-replication/src/main/java/com/github/ambry/replication/ReplicationMetrics.java