override fun contentType(): MediaType? = null

    override fun writeTo(sink: BufferedSink) {
      for (i in 0 until 50) {
        sink.writeUtf8("abc")
        sink.flush()
        Thread.sleep(100)
      }
      fail("")
    }
  }

      if (byteCount > length) writeContinuationFrames(streamId, byteCount - length)
    }
  }

  @Throws(IOException::class)
  fun flush() {
    this.withLock {
      if (closed) throw IOException("closed")
      sink.flush()
    }
  }

  @Throws(IOException::class)
  fun rstStream(
    streamId: Int,
    errorCode: ErrorCode,
  ) {
    this.withLock {

    check(state == STATE_CLOSED) { "too early; can't read the trailers yet" }
    return trailers ?: EMPTY_HEADERS
  }

  override fun flushRequest() {
    sink.flush()
  }

  override fun finishRequest() {
    sink.flush()
  }

  /** Returns bytes of a request header for sending on an HTTP transport. */
  fun writeRequest(
    headers: Headers,
    requestLine: String,
  ) {

    }
    try {
      super.write(source, byteCount)
    } catch (e: IOException) {
      hasErrors = true
      onException(e)
    }
  }

  override fun flush() {
    if (hasErrors) {
      return
    }
    try {
      super.flush()
    } catch (e: IOException) {
      hasErrors = true
      onException(e)
    }
  }

  override fun close() {
    try {
      super.close()

      requestBody.flush()
      val responseBody = response.body.source()
      assertThat(responseBody.readUtf8Line())
        .isEqualTo("response B")
      requestBody.writeUtf8("request C\n")
      requestBody.flush()
      assertThat(responseBody.readUtf8Line())
        .isEqualTo("response D")
      requestBody.writeUtf8("request E\n")
      requestBody.flush()

    val out = System.out.sink()
    val source = response.body.source()
    while (!source.exhausted()) {
      out.write(source.buffer, source.buffer.size)
      out.flush()
    }

    response.body.close()
  } catch (e: IOException) {
    e.printStackTrace()
  } finally {
    close()
  }

    testFlushAfterStreamTransmitted(TransferKind.END_OF_STREAM)
  }

  /**
   * We explicitly permit apps to close the upload stream even after it has been transmitted.  We
   * also permit flush so that buffered streams can do a no-op flush when they are closed.
   * http://b/3038470
   */
  private fun testFlushAfterStreamTransmitted(transferKind: TransferKind) {
    server.enqueue(
      MockResponse(body = "abc"),
    )

  override fun write(
    source: Buffer,
    byteCount: Long,
  ) {
    var bytesLeft = byteCount

    while (bytesLeft > 0) {
      if (bytesWrittenSinceLastDelay == bytesPerPeriod) {
        flush()
        sleepNanos(periodDelayNanos)
        bytesWrittenSinceLastDelay = 0
      }

      val toWrite = minOf(bytesLeft, bytesPerPeriod - bytesWrittenSinceLastDelay)
      bytesWrittenSinceLastDelay += toWrite

  return OkHttpClient.Builder()
    .connectionSpecs(listOf(*specs))
    .build()
}

private fun sendRequest(
  client: OkHttpClient,
  url: String,
) {
  System.out.printf("%-40s ", url)
  System.out.flush()
  println(Platform.get())
  val request =
    Request.Builder()
      .url(url)
      .build()
  try {
    client.newCall(request).execute().use { response ->
      val handshake = response.handshake

      }
    }

    @Throws(IOException::class)
    override fun flush() {
      lock.assertNotHeld()

      ******@****.***ck {
        checkOutNotClosed()
      }
      // TODO(jwilson): flush the connection?!
      while (sendBuffer.size > 0L) {
        emitFrame(false)
        connection.flush()
      }
    }

    override fun timeout(): Timeout = writeTimeout