durationInNanos(refreshDuration, refreshTimeUnit));
  }

  @Override
  public boolean equals(@CheckForNull Object obj) {
    if (this == obj) {
      return true;
    }
    if (!(obj instanceof CacheBuilderSpec)) {
      return false;
    }
    CacheBuilderSpec that = (CacheBuilderSpec) obj;
    return Objects.equal(initialCapacity, that.initialCapacity)
        && Objects.equal(maximumSize, that.maximumSize)

        durationInNanos(refreshDuration, refreshTimeUnit));
  }

  @Override
  public boolean equals(@CheckForNull Object obj) {
    if (this == obj) {
      return true;
    }
    if (!(obj instanceof CacheBuilderSpec)) {
      return false;
    }
    CacheBuilderSpec that = (CacheBuilderSpec) obj;
    return Objects.equal(initialCapacity, that.initialCapacity)
        && Objects.equal(maximumSize, that.maximumSize)