PRUint32 length = 0; const ComputedStyleMapEntry* propMap = GetQueryablePropertyMap(&length); if (aIndex < length) { CopyASCIItoUCS2(nsCSSProps::GetStringValue(propMap[aIndex].mProperty), aReturn); }
nsComputedDOMStyle::Item(PRUint32 aIndex, nsString& aReturn){  aReturn.Truncate();  return NS_OK;}