Source source = new Source(previousOut);
@SuppressWarnings("unchecked")
Map<String, Set<String>> assets = LazySortedMap.decorate(
TransformedSortedMap.decorate(new TreeMap<String, Set<String>>(ASSET_COMPARATOR), LOW_CASE_TRANSFORMER, NOPTransformer.INSTANCE), new SetFactory());
@SuppressWarnings("unchecked")
Map<String, Map<String, String>> assetsOptions = LazyMap.decorate(
new HashMap<String, Map<String, Object>>(), new Factory() {
public Object create() {