}
    }

    open fun get(): Builder = method("GET", null)

    open fun head(): Builder = method("HEAD", null)

    open fun post(body: RequestBody): Builder = method("POST", body)

    @JvmOverloads
    open fun delete(body: RequestBody? = RequestBody.EMPTY): Builder = method("DELETE", body)

    open fun put(body: RequestBody): Builder = method("PUT", body)

  }

  @Synchronized private fun checkNotClosed() {
    check(!closed) { "cache is closed" }
  }

  /** Force buffered operations to the filesystem. */
  @Synchronized
  @Throws(IOException::class)
  override fun flush() {
    if (!initialized) return

    checkNotClosed()
    trimToSize()
    journalWriter!!.flush()
  }

  @Synchronized fun isClosed(): Boolean = closed

    private val delegate: RequestBody,
    private val progressListener: ProgressListener,
  ) : RequestBody() {
    override fun contentType() = delegate.contentType()

    @Throws(IOException::class)
    override fun contentLength(): Long = delegate.contentLength()

    @Throws(IOException::class)
    override fun writeTo(sink: BufferedSink) {
      val forwardingSink =
        object : ForwardingSink(sink) {

   */
  fun <T> withTypeHint(block: () -> T): T {
    typeHintStack.add(null)
    try {
      return block()
    } finally {
      typeHintStack.removeAt(typeHintStack.size - 1)
    }
  }

  private fun sink(): BufferedSink = stack[stack.size - 1]

  fun writeBoolean(b: Boolean) {
    sink().writeByte(if (b) -1 else 0)
  }

  fun writeBigInteger(value: BigInteger) {

     */
    public fun addInformationalResponse(response: MockResponse): Builder =
      apply {
        informationalResponses_ += response
      }

    public fun add100Continue(): Builder =
      apply {
        addInformationalResponse(MockResponse(code = 100))
      }

    public override fun clone(): Builder = build().newBuilder()

    public fun build(): MockResponse = MockResponse(this)
  }

  private fun createNewCache() {
    createNewCacheWithSize(Int.MAX_VALUE)
  }

  private fun createNewCacheWithSize(maxSize: Int) {
    cache =
      DiskLruCache(filesystem, cacheDir, appVersion, 2, maxSize.toLong(), taskRunner).also {
        toClose.add(it)
      }
    synchronized(cache) { cache.initialize() }
  }

  fun setUp(
    baseFilesystem: FileSystem,

  }

  @Test
  fun cacheControl() {
    val request =
      Request
        .Builder()
        .cacheControl(CacheControl.Builder().noCache().build())
        .url("https://square.com")
        .build()
    assertThat(request.headers("Cache-Control")).containsExactly("no-cache")
    assertThat(request.cacheControl.noCache).isTrue()
  }

  @Test
  fun emptyCacheControlClearsAllCacheControlHeaders() {

  fun isSet(id: Int): Boolean {
    val bit = 1 shl id
    return set and bit != 0
  }

  /** Returns the value for the setting `id`, or 0 if unset. */
  operator fun get(id: Int): Int = values[id]

  /** Returns the number of settings that have values assigned. */
  fun size(): Int = Integer.bitCount(set)

  // TODO: honor this setting.
  fun getEnablePush(defaultValue: Boolean): Boolean {

  }

  private fun drainCancelQueue(eventSource: EventSource) {
    if (cancel) {
      cancel = false
      eventSource.cancel()
    }
  }

  private fun nextEvent(): Any =
    events.poll(10, TimeUnit.SECONDS)
      ?: throw AssertionError("Timed out waiting for event.")

  fun assertExhausted() {
    assertThat(events).isEmpty()
  }

  fun assertEvent(
    id: String?,

          .build(),
      ).addQuicHint("google.com", 443, 443)
      .addQuicHint("www.google.com", 443, 443)
      .build()

  @After
  fun tearDown() {
    engine.shutdown()
    cacheDir.deleteRecursively()
  }

  @Test
  fun get() {
    val executor = Executors.newCachedThreadPool()

    val completableFuture = execute(engine, executor, "https://google.com/robots.txt")

    try {