@Override
  protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {
    super.deserializeStateData(serializer);
    peerId = serializer.deserialize(PeerProcedureStateData.class).getPeerId();
  }
Base class for replication peer related procedures which do not need to hold locks(for most of
the sub procedures).
hbase-server/src/main/java/org/apache/hadoop/hbase/master/replication/AbstractPeerNoLockProcedure.java