/wro4j-core/src/main/java/ro/isdc/wro/manager/WroManager.java
if ( ( callbackRegistry) == null) {   callbackRegistry = new LifecycleCallbackRegistry( ) ; }
[Delete]
private WroModelFactory modelFactory = new EmptyModelFactory(); private GroupExtractor groupExtractor = new DefaultGroupExtractor(); private CacheStrategy<CacheKey, CacheValue> cacheStrategy = new LruMemoryCacheStrategy<CacheKey, CacheValue>(); private ProcessorsFactory processorsFactory = new SimpleProcessorsFactory(); private UriLocatorFactory locatorFactory = new DefaultUriLocatorFactory(); private NamingStrategy namingStrategy = new NoOpNamingStrategy(); <extra_id_0> private HashStrategy hashStrategy = new SHA1HashStrategy(); private List<Transformer<WroModel>> modelTransformers = createDefaultTransformers(); private ResourceAuthorizationManager authorizationManager = new DefaultResourceAuthorizationManager(); private CacheKeyFactory cacheKeyFactory = new DefaultCacheKeyFactory(); private MetaDataFactory metaDataFactory = new DefaultMetaDataFactory(); public Builder() {