@StartStop
  private val webServer = MockWebServer()

  private val handshakeCertificates = platform.localhostHandshakeCertificates()
  private val clientListener = WebSocketRecorder("client")
  private val serverListener = WebSocketRecorder("server")
  private val random = Random(0)
  private var client =
    clientTestRule
      .newClientBuilder()
      .writeTimeout(Duration.ofMillis(500))

    private val taskFaker: TaskFaker,
    private val delegate: Socket,
    private val client: Boolean,
  ) : BufferedSocket {
    private val name = if (client) "client" else "server"
    val listener = WebSocketRecorder(name)
    var webSocket: RealWebSocket? = null
    var sourceClosed = false
    var sinkClosed = false
    val closed: Boolean
      get() = sourceClosed && sinkClosed
    var canceled = false