_cachedRects.put(key, style._padding);
putCachedRect(key, style._padding);
    private static RectPropertySet getPaddingProperty(CalculatedStyle style,                                                      CSSName shorthandProp,                                                      CSSName[] sides,                                                      float parentWidth,                                                      float parentHeight,                                                      CssContext ctx) {        String key = null;        if (style._padding == null) {            key = RectPropertySet.deriveKey(style, sides);            if (key == null) {                style._padding = newRectInstance(style, shorthandProp, sides, parentHeight, parentWidth, ctx);                return style._padding;            } else {                style._padding = (RectPropertySet) _cachedRects.get(key);                if (style._padding == null) {                    style._padding = newRectInstance(style, shorthandProp, sides, parentHeight, parentWidth, ctx);                    _cachedRects.put(key, style._padding);                }            }        }        return style._padding;    }