CacheManager customerCache = CacheManagerBuilder
                .newCacheManagerBuilder()
                .replacing(timeSourceConfiguration)
                .withCache(
                        "customerCache",
                        CacheConfigurationBuilder.newCacheConfigurationBuilder(
                                String.class,
                                String.class,
                                ResourcePoolsBuilder.heap(5)
                        )
                                .withLoaderWriter(customerLoader)
                                .add(eventListenerBuilder)
                )
                .build(true);