docs: public void addDenseUnit(CLIQUEUnit unit) {
      int numdim = unit.dimensionality();
      for(int i = 0; i < numdim; i++) {
        BitsUtil.setI(getDimensions(), unit.getDimension(i));
      }
  
      denseUnits.add(unit);
      coverage += unit.numberOfFeatureVectors();
    }