docs: @Override
    protected void process(DBIDRef id, ArrayDBIDs ids, DBIDArrayIter it, int n, WritableDBIDDataStore pi, WritableDoubleDataStore lambda, WritableDoubleDataStore m) {
      clinkstep3(id, it, n, pi, lambda, m);
      clinkstep4567(id, ids, it, n, pi, lambda, m);
      clinkstep8(id, it, n, pi, lambda, m);
    }