BeanPopulator replicator = BeanPopulator.newBeanPopulator(from, to);
// Change bean class replicator
//
BeanTransformerSpi transformer = (BeanTransformerSpi) replicator.getTransformer();
transformer.initBeanReplicatable(MergeClassBeanReplicator.factory);
((MergeClassBeanReplicator) transformer.getBeanReplicatable()).setClassMapper(classMapper);
((MergeClassBeanReplicator) transformer.getBeanReplicatable()).setPersistenceUtil(persistenceUtil);
((MergeClassBeanReplicator) transformer.getBeanReplicatable()).setProxyStore(proxyStore);
transformer.initCollectionReplicatable(MergeCollectionReplicator.factory);