public class CouchbaseCacheConfiguration {
    private final Cluster cluster;
    public CouchbaseCacheConfiguration(Cluster cluster) {
        this.cluster = cluster;
    @Bean
    public Bucket anotherBucket() {
        return this.cluster.openBucket("another", "secret");
    @Bean
        return c -> {
            c.prepareCache("biz", CacheBuilder.newInstance(anotherBucket())
                    .withExpirationInMillis(2000));
        };
    }
}