public CollectionMappingStrategyPrism getCollectionMappingStrategy() {
   if (mapperConfigPrism != null && mapperPrism.values.collectionMappingStrategy() == null) {
     return CollectionMappingStrategyPrism.valueOf(mapperConfigPrism.collectionMappingStrategy());
   } else {
     return CollectionMappingStrategyPrism.valueOf(mapperPrism.collectionMappingStrategy());
   }
 }