/wro4j-core/src/main/java/ro/isdc/wro/manager/WroManager.java
notNull( cacheStrategy) ;notNull( metaDataFactory) ;
notNull ( metaDataFactory ) ;
public Builder setCacheKeyFactory(final CacheKeyFactory cacheKeyFactory) { notNull(cacheKeyFactory); this.cacheKeyFactory = cacheKeyFactory; return this; } public Builder setMetaDataFactory(final MetaDataFactory metaDataFactory) { <extra_id_0> this.metaDataFactory = metaDataFactory; return this; } private List<Transformer<WroModel>> createDefaultTransformers() { final List<Transformer<WroModel>> list = new ArrayList<Transformer<WroModel>>(); list.add(new WildcardExpanderModelTransformer());