nsComputedDOMStyle::Item(PRUint32 aIndex, nsAWritableString& aReturn)
nsComputedDOMStyle::Item(PRUint32 aIndex, nsAString& aReturn)
nsComputedDOMStyle::Item(PRUint32 aIndex, nsAWritableString& aReturn){  PRUint32 length;  GetLength(&length);  aReturn.Truncate();  if (aIndex >= 0 && aIndex < length) {    CopyASCIItoUCS2(nsCSSProps::GetStringValue(queryableProperties[aIndex]), aReturn);  }  return NS_OK;}