/**
* Removes an array formula
* @return the range of the array formula containing the specified cell. Never <code>null</code>
*/
public CellRangeAddress removeArrayFormula(int rowIndex, int columnIndex) {
CellRangeAddress8Bit a = _sharedValueManager.removeArrayFormula(rowIndex, columnIndex);
// at this point FormulaRecordAggregate#isPartOfArrayFormula() should return false
_formulaRecord.setParsedExpression(null);
return new CellRangeAddress(a.getFirstRow(), a.getLastRow(), a.getFirstColumn(), a.getLastColumn());
}