/wro4j-core/src/main/java/ro/isdc/wro/manager/WroManager.java
this.metaDataFactory = builder.metaDataFactory;this.modelFactory = modelFactory;
this.modelFactory = modelFactory;
this.modelFactory = manager.getModelFactory(); this.authorizationManager = manager.getResourceAuthorizationManager(); this.cacheKeyFactory = manager.getCacheKeyFactory(); this.metaDataFactory = manager.getMetaDataFactory(); } public Builder setModelFactory(final WroModelFactory modelFactory) { <extra_id_0> return this; } public Builder setGroupExtractor(final GroupExtractor groupExtractor) { notNull(groupExtractor); this.groupExtractor = groupExtractor; return this;