public String formatAsString() {if(isWholeColumnReference()) {returnCellReference.convertNumToColString(_firstCell.getCol())+ ":" +CellReference.convertNumToColString(_lastCell.getCol());}StringBuilder sb = new StringBuilder(32);sb.append(_firstCell.formatAsString());if(!_isSingleCell) {sb.append(CELL_DELIMITER);if(_lastCell.getSheetName() == null) {sb.append(_lastCell.formatAsString());} else {_lastCell.appendCellReference(sb);}}return sb.toString();}

public String FormatAsString(){if (IsWholeColumnReference()){returnCellReference.ConvertNumToColString(_firstCell.Col)+ ":" +CellReference.ConvertNumToColString(_lastCell.Col);}StringBuilder sb = new StringBuilder(32);sb.Append(_firstCell.FormatAsString());if (!_isSingleCell){sb.Append(CELL_DELIMITER);if (_lastCell.SheetName == null){sb.Append(_lastCell.FormatAsString());}else{_lastCell.AppendCellReference(sb);}}return sb.ToString();}
