docs: public static double estimateSelectivity(
        final BitmapIndex bitmapIndex,
        final IntList bitmaps,
        final long totalNumRows
    )
    {
      long numMatchedRows = 0;
      for (int i = 0; i < bitmaps.size(); i++) {
        final ImmutableBitmap bitmap = bitmapIndex.getBitmap(bitmaps.getInt(i));
        numMatchedRows += bitmap.size();
      }
  
      return Math.min(1., (double) numMatchedRows / totalNumRows);
    }