java: public final void clearConsumingCell(FormulaCellCacheEntry cce) {if(!_consumingCells.remove(cce)) {throw new IllegalStateException("Specified formula cell is not consumed by this cell");}}
C#: public void ClearConsumingCell(FormulaCellCacheEntry cce){if (!_consumingCells.Remove(cce)){throw new InvalidOperationException("Specified formula cell is not consumed by this cell");}}