if (isPublic) append("public, ")
        if (mustRevalidate) append("must-revalidate, ")
        if (maxStaleSeconds != -1) append("max-stale=").append(maxStaleSeconds).append(", ")
        if (minFreshSeconds != -1) append("min-fresh=").append(minFreshSeconds).append(", ")
        if (onlyIfCached) append("only-if-cached, ")
        if (noTransform) append("no-transform, ")
        if (immutable) append("immutable, ")
        if (isEmpty()) return ""

      }

    fun minFresh(minFresh: Duration) =
      apply {
        val minFreshSeconds = minFresh.inWholeSeconds
        require(minFreshSeconds >= 0) { "minFresh < 0: $minFreshSeconds" }
        this.minFreshSeconds = minFreshSeconds.commonClampToInt()
      }

    /**
     * Sets the maximum age of a cached response. If the cache response's age exceeds [maxAge], it

    val sMaxAgeSeconds: Int = cacheControl.sMaxAgeSeconds()
    val mustRevalidate: Boolean = cacheControl.mustRevalidate()
    val maxStaleSeconds: Int = cacheControl.maxStaleSeconds()
    val minFreshSeconds: Int = cacheControl.minFreshSeconds()
    val onlyIfCached: Boolean = cacheControl.onlyIfCached()
    val noTransform: Boolean = cacheControl.noTransform()
    val immutable: Boolean = cacheControl.immutable()

    assertThat(cacheControl.isPublic).isFalse()
    assertThat(cacheControl.mustRevalidate).isFalse()
    assertThat(cacheControl.maxStaleSeconds).isEqualTo(-1)
    assertThat(cacheControl.minFreshSeconds).isEqualTo(-1)
    assertThat(cacheControl.onlyIfCached).isFalse()
    assertThat(cacheControl.mustRevalidate).isFalse()
  }

  @Test
  @Throws(Exception::class)
  fun completeBuilder() {

    val sMaxAgeSeconds: Int = cacheControl.sMaxAgeSeconds
    val mustRevalidate: Boolean = cacheControl.mustRevalidate
    val maxStaleSeconds: Int = cacheControl.maxStaleSeconds
    val minFreshSeconds: Int = cacheControl.minFreshSeconds
    val onlyIfCached: Boolean = cacheControl.onlyIfCached
    val noTransform: Boolean = cacheControl.noTransform
    val immutable: Boolean = cacheControl.immutable

    assertThat(cacheControl.noStore).isTrue()
    assertThat(cacheControl.maxAgeSeconds).isEqualTo(1)
    assertThat(cacheControl.maxStaleSeconds).isEqualTo(2)
    assertThat(cacheControl.minFreshSeconds).isEqualTo(3)
    assertThat(cacheControl.onlyIfCached).isTrue()
    assertThat(cacheControl.noTransform).isTrue()
    assertThat(cacheControl.immutable).isTrue()

        freshMillis = minOf(freshMillis, SECONDS.toMillis(requestCaching.maxAgeSeconds.toLong()))
      }

      var minFreshMillis: Long = 0
      if (requestCaching.minFreshSeconds != -1) {
        minFreshMillis = SECONDS.toMillis(requestCaching.minFreshSeconds.toLong())
      }

      var maxStaleMillis: Long = 0
      if (!responseCaching.mustRevalidate && requestCaching.maxStaleSeconds != -1) {

	public final fun immutable ()Z
	public final fun isPrivate ()Z
	public final fun isPublic ()Z
	public final fun maxAgeSeconds ()I
	public final fun maxStaleSeconds ()I
	public final fun minFreshSeconds ()I
	public final fun mustRevalidate ()Z
	public final fun noCache ()Z
	public final fun noStore ()Z
	public final fun noTransform ()Z
	public final fun onlyIfCached ()Z

	public final fun immutable ()Z
	public final fun isPrivate ()Z
	public final fun isPublic ()Z
	public final fun maxAgeSeconds ()I
	public final fun maxStaleSeconds ()I
	public final fun minFreshSeconds ()I
	public final fun mustRevalidate ()Z
	public final fun noCache ()Z
	public final fun noStore ()Z
	public final fun noTransform ()Z
	public final fun onlyIfCached ()Z