@Override
    public String toString() {
        return "CacheConfig{" +
               "maximumSize=" + maximumSize +
               ", expireAfterAccess=" + expireAfterAccess +
               ", expireAfterWrite=" + expireAfterWrite +
               ", refreshAfterWrite=" + refreshAfterWrite +
               ", statisticsMode=" + statisticsMode +
               '}';
    }
The default {@link StatisticsMode} to use with stroom-proxy.
stroom-util/src/main/java/stroom/util/cache/CacheConfig.java