call.execute()
    }

    // Observed Events are variable
    // JDK 14
    // CallStart, ProxySelectStart, ProxySelectEnd, DnsStart, DnsEnd, ConnectStart, SecureConnectStart,
    // SecureConnectEnd, ConnectEnd, ConnectionAcquired, RequestHeadersStart, RequestHeadersEnd,
    // ResponseFailed, ConnectionReleased, CallFailed
    // JDK 8

   *
   * This method is invoked after [secureConnectStart].
   */
  open fun secureConnectEnd(
    call: Call,
    handshake: Handshake?,
  ) {
  }

  /**
   * Invoked immediately after a socket connection was attempted.
   *
   * If the `call` uses HTTPS, this will be invoked after [secureConnectEnd], otherwise it will
   * invoked after [connectStart].
   */
  open fun connectEnd(

      // Register to capture "Produced ClientHello handshake message".
      currentThread = Thread.currentThread()
      logger.addHandler(loggerHandler)
    }

    override fun secureConnectEnd(
      call: Call,
      handshake: Handshake?,
    ) {
      logger.removeHandler(loggerHandler)
    }

    override fun callEnd(call: Call) {
      // Cleanup log handler if failed.

      "CallStart",
      "ProxySelectStart",
      "ProxySelectEnd",
      "DnsStart",
      "DnsEnd",
      "ConnectStart",
      "SecureConnectStart",
      "SecureConnectEnd",
      "ConnectEnd",
      "ConnectionAcquired",
      "RequestHeadersStart",
      "RequestHeadersEnd",
      "RequestBodyStart",
      "ResponseHeadersStart",
      "ResponseHeadersEnd",

      .assertLogMatch(Regex("""connectStart: ${url.host}/.+ DIRECT"""))
      .assertLogMatch(Regex("""secureConnectStart"""))
      .assertLogMatch(
        Regex(
          """secureConnectEnd: Handshake\{tlsVersion=TLS_1_[23] cipherSuite=TLS_.* peerCertificates=\[CN=localhost] localCertificates=\[]\}""",
        ),
      ).assertLogMatch(Regex("""connectEnd: h2"""))
      .assertLogMatch(

        connectionSpec.apply(sslSocket, isFallback = tlsEquipPlan.isTlsFallback)
        connectTls(sslSocket, connectionSpec)
        user.secureConnectEnd(handshake)
      } else {
        javaNetSocket = rawSocket
        protocol =
          when {
            Protocol.H2_PRIOR_KNOWLEDGE in route.address.protocols -> Protocol.H2_PRIOR_KNOWLEDGE

      listOf(
        "CallStart",
        "ProxySelectStart",
        "ProxySelectEnd",
        "DnsStart",
        "DnsEnd",
        "ConnectStart",
        "SecureConnectStart",
        "SecureConnectEnd",
        "ConnectEnd",
        "ConnectionAcquired",
        "RequestHeadersStart",
        "RequestHeadersEnd",
        "ResponseHeadersStart",
        "ResponseHeadersEnd",
        "FollowUpDecision",

          call: Call,
          inetSocketAddress: InetSocketAddress,
          proxy: Proxy,
        ) = TODO()

        override fun secureConnectStart(call: Call) = TODO()

        override fun secureConnectEnd(
          call: Call,
          handshake: Handshake?,
        ) = TODO()

        override fun connectEnd(
          call: Call,
          inetSocketAddress: InetSocketAddress,