/wro4j-core/src/main/java/ro/isdc/wro/manager/factory/BaseWroManagerFactory.java
if ( ( cacheStrategy) != null) {   managerBuilder.setCacheStrategy( cacheStrategy) ; }
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if (authorizationManager != null) { managerBuilder.setAuthorizationManager(authorizationManager); } if (cacheKeyFactory != null) { managerBuilder.setCacheKeyFactory(cacheKeyFactory); } <extra_id_0> managerBuilder.setMetaDataFactory(metaDataFactory); } if (resourceWatcher == null) { resourceWatcher = new ResourceWatcher(); } final WroManager manager = managerBuilder.build();