docs: @Override
    public void deletePage(int pageID) {
      try {
        // / put id to empty nodes and
        // delete from cache
        super.deletePage(pageID);
  
        // delete from file
        countWrite();
        byte[] array = pageToByteArray(null);
        file.getRecordBuffer(pageID).put(array);
      } catch (IOException e) {
        throw new RuntimeException(e);
      }
    }