CacheBuilderFactory withMaximumSizes(Set<Integer> maximumSizes) {
    this.maximumSizes = new LinkedHashSet<>(maximumSizes);
    return this;
  }

  @CanIgnoreReturnValue
  CacheBuilderFactory withExpireAfterWrites(Set<DurationSpec> durations) {
    this.expireAfterWrites = new LinkedHashSet<>(durations);
    return this;
  }

  @CanIgnoreReturnValue
  CacheBuilderFactory withExpireAfterAccesses(Set<DurationSpec> durations) {