val minFreshSecondsLong = timeUnit.toSeconds(minFresh.toLong())
      this.minFreshSeconds = minFreshSecondsLong.commonClampToInt()
    }

    fun build(): CacheControl = commonBuild()
  }

  companion object {
    /**
     * Cache control request directives that require network validation of responses. Note that such
     * requests may be assisted by the cache via conditional GET requests.
     */
    @JvmField