docs: @Override
  	public Class<?> getColumnClass(int columnIndex) {
  		switch (this.columns[columnIndex]) {
  		case HREF_ID:		return Integer.class;
  		case TYPE_FLAG:		return ImageIcon.class;
  		case METHOD:		return String.class;
  		case URL:			return String.class;
  		case CODE:			return Integer.class;
  		case REASON:		return String.class;
  		case RTT:			return Integer.class;
  		case SIZE:			return Integer.class;
  		case SESSION_ID:	return Long.class;
  		case ALERT_FLAG:	return ImageIcon.class;
  		case TAGS:			return String.class;
  		default:			return null;
  		}
  	}