static inline void filterProperties(bool important, const WillBeHeapVector<CSSProperty, 256>& input, WillBeHeapVector<CSSProperty, 256>& output, size_t& unusedEntries, BitArray<numCSSProperties>& seenProperties)
{
    // Add properties in reverse order so that highest priority definitions are reached first. Duplicate definitions can then be ignored when found.
    for (int i = input.size() - 1; i >= 0; --i) {
        const CSSProperty& property = input[i];
        if (property.isImportant() != important)
            continue;
        const unsigned propertyIDIndex = property.id() - firstCSSProperty;
        if (seenProperties.get(propertyIDIndex))
            continue;
        seenProperties.set(propertyIDIndex);
        output[--unusedEntries] = property;
    }
}
static inline void filterProperties(bool important, const WillBeHeapVector<CSSProperty, 256>& input, WillBeHeapVector<CSSProperty, 256>& output, size_t& unusedEntries, BitArray<numCSSProperties>& seenProperties)
{
    // Add properties in reverse order so that highest priority definitions are reached first. Duplicate definitions can then be ignored when found.
    for (size_t i = input.size(); i--; ) {
        const CSSProperty& property = input[i];
        if (property.isImportant() != important)
            continue;
        const unsigned propertyIDIndex = property.id() - firstCSSProperty;
        // All custom properties use the same CSSPropertyID so we can't remove repeated definitions
        if (property.id() != CSSPropertyVariable) {
            if (seenProperties.get(propertyIDIndex))
                continue;
            seenProperties.set(propertyIDIndex);
        }
        output[--unusedEntries] = property;
    }
}