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

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

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

        .withKeyStrengths(ImmutableSet.of(Strength.STRONG, Strength.WEAK))
        .withValueStrengths(ImmutableSet.copyOf(Strength.values()))
        .withConcurrencyLevels(ImmutableSet.of(1, 4, 16, 64))
        .withMaximumSizes(ImmutableSet.of(0, 1, 10, 100, 1000))
        .withInitialCapacities(ImmutableSet.of(0, 1, 10, 100, 1000))
        .withExpireAfterWrites(
            ImmutableSet.of(

        .withKeyStrengths(ImmutableSet.of(Strength.STRONG, Strength.WEAK))
        .withValueStrengths(ImmutableSet.copyOf(Strength.values()))
        .withConcurrencyLevels(ImmutableSet.of(1, 4, 16, 64))
        .withMaximumSizes(ImmutableSet.of(400, 1000))
        .withInitialCapacities(ImmutableSet.of(0, 1, 10, 100, 1000))
        .withExpireAfterWrites(
            ImmutableSet.of(
                // DurationSpec.of(500, MILLISECONDS),