public void resetToProto(ProcedureProtos.ProcedureStoreTracker trackerProtoBuf) {
    reset();
    for (ProcedureProtos.ProcedureStoreTracker.TrackerNode protoNode : trackerProtoBuf
      .getNodeList()) {
      final BitSetNode node = new BitSetNode(protoNode);
      map.put(node.getStart(), node);
    }
  }
If true, it means tracker has incomplete information about the active/deleted procedures. It's
set to true only when recovering from old logs. See {@link #isDeleted(long)} docs to understand
it's real use.
hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/store/wal/ProcedureStoreTracker.java