val requestFinished = CountDownLatch(2)
    val dispatcher: QueueDispatcher =
      object : QueueDispatcher() {
        override fun dispatch(request: RecordedRequest): MockResponse {
          if (peek().socketPolicy === DisconnectAfterRequest) {
            requestFinished.await()
          }
          return super.dispatch(request)
        }
      }

        delegate.put(element)
        editCount++
      }
    }

    override fun iterator() = error("unsupported")

    override fun offer(e: T) = error("unsupported")

    override fun peek(): T = error("unsupported")

    override fun offer(
      element: T,
      timeout: Long,
      unit: TimeUnit,
    ) = error("unsupported")

    override fun take() = error("unsupported")

            } catch (e: IOException) {
              throw RuntimeException(e)
            }
          }
          return result
        }

        override fun peek(): MockResponse = queueDispatcher.peek()

        override fun shutdown() {
          queueDispatcher.shutdown()
        }
      }
    client =
      client.newBuilder()
        .proxy(server.toProxyAddress())

  fun dispatcherFromMockWebServer() {
    val dispatcher =
      object : okhttp3.mockwebserver.Dispatcher() {
        override fun dispatch(request: RecordedRequest): MockResponse = TODO()

        override fun peek(): MockResponse = TODO()

        override fun shutdown() = TODO()
      }
  }

  @Test
  fun dns() {
    var dns: Dns = Dns { TODO() }

    val system: Dns = Dns.SYSTEM
  }

        ) {
          chunked = true
        }
      }

      val peek = dispatcher.peek()
      for (response in peek.informationalResponses) {
        writeHttpResponse(socket, sink, response)
      }

      var hasBody = false
      val policy = dispatcher.peek()
      val requestBodySink =
        requestBody.withThrottlingAndSocketPolicy(
          policy = policy,

  name: String,
  defaultValue: String?,
): String? = headers[name] ?: defaultValue

@Throws(IOException::class)
fun Response.commonPeekBody(byteCount: Long): ResponseBody {
  val peeked = body.source().peek()
  val buffer = Buffer()
  peeked.request(byteCount)
  buffer.write(peeked, minOf(byteCount, peeked.buffer.size))
  return buffer.asResponseBody(body.contentType(), buffer.size)
}