Style style = _convertStyleNodeToStyle(styleNodes[i], _reusableStyleMap);
if (resolvedSelectorStyleMap == null)
resolvedSelectorStyleMap = new ConcurrentHashMap<Selector, Style>();
// To save memory, we reuse Selector objects
Selector selectorCreated = Selector.createSelector(selector);
Selector cachedSelector = _reusableSelectorMap.get(selectorCreated);
if (cachedSelector == null)
{
_reusableSelectorMap.put(selectorCreated, selectorCreated);
resolvedSelectorStyleMap.put(selectorCreated, style);
}