code: @Override
    public void part(int start, int end) {
      blockNumbers[count][0] = start;
      blockNumbers[count][1] = end - 1;
      count++;
    }
docs: Constructs ClonePart and saves it for future processing in {@link #endOfGroup()}.
  
  @param start number of first block from text for this part
  @param end number of last block from text for this part