@Override public void dnsEnd(Call call, String domainName, List<InetAddress> inetAddressList) {
      printEvent("dnsEnd");
    }

    @Override public void connectStart(
        Call call, InetSocketAddress inetSocketAddress, Proxy proxy) {
      printEvent("connectStart");
    }

    @Override public void secureConnectStart(Call call) {
      printEvent("secureConnectStart");
    }

import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.CallEvent.CallEnd
import okhttp3.CallEvent.CallStart
import okhttp3.CallEvent.ConnectEnd
import okhttp3.CallEvent.ConnectStart
import okhttp3.CallEvent.ConnectionAcquired
import okhttp3.CallEvent.ConnectionReleased
import okhttp3.CallEvent.DnsEnd
import okhttp3.CallEvent.DnsStart
import okhttp3.CallEvent.FollowUpDecision

 * Any IO - writing to files or network should be done asynchronously.
 */
internal abstract class ConnectionListener {
  /**
   * Invoked as soon as a call causes a connection to be started.
   */
  open fun connectStart(
    route: Route,
    call: Call,
  ) {}

  /**
   * Invoked when a connection fails to be established.
   */
  open fun connectFailed(
    route: Route,
    call: Call,
    failure: IOException,

	var dialStart, dialEnd int64
	start := time.Now()
	trace := &httptrace.ClientTrace{
		GotFirstResponseByte: func() {
			atomic.AddUint64(&globalStats.tcpTimeForFirstByteTotalDur, uint64(time.Since(start)))
		},
		ConnectStart: func(network, addr string) {
			atomic.StoreInt64(&dialStart, time.Now().UnixNano())
		},
		ConnectDone: func(network, addr string, err error) {
			if err == nil {
				atomic.StoreInt64(&dialEnd, time.Now().UnixNano())

    var success = false

    // Tell the call about the connecting call so async cancels work.
    call.plansToCancel += this
    try {
      call.eventListener.connectStart(call, route.socketAddress, route.proxy)
      connectionPool.connectionListener.connectStart(route, call)

      connectSocket()
      success = true
      return ConnectResult(plan = this)
    } catch (e: IOException) {

	public fun connectFailed (Lokhttp3/Call;Ljava/net/InetSocketAddress;Ljava/net/Proxy;Lokhttp3/Protocol;Ljava/io/IOException;)V
	public fun connectStart (Lokhttp3/Call;Ljava/net/InetSocketAddress;Ljava/net/Proxy;)V
	public fun connectionAcquired (Lokhttp3/Call;Lokhttp3/Connection;)V
	public fun connectionReleased (Lokhttp3/Call;Lokhttp3/Connection;)V

import mockwebserver3.junit5.StartStop
import okhttp3.Cache
import okhttp3.Call
import okhttp3.CallEvent.CallEnd
import okhttp3.CallEvent.CallStart
import okhttp3.CallEvent.ConnectEnd
import okhttp3.CallEvent.ConnectStart
import okhttp3.CallEvent.ConnectionAcquired
import okhttp3.CallEvent.ConnectionReleased
import okhttp3.CallEvent.DnsEnd
import okhttp3.CallEvent.DnsStart
import okhttp3.CallEvent.FollowUpDecision

pkg net/http/httptrace, type ClientTrace struct
pkg net/http/httptrace, type ClientTrace struct, ConnectDone func(string, string, error)
pkg net/http/httptrace, type ClientTrace struct, ConnectStart func(string, string)
pkg net/http/httptrace, type ClientTrace struct, DNSDone func(DNSDoneInfo)
pkg net/http/httptrace, type ClientTrace struct, DNSStart func(DNSStartInfo)

        ) = TODO()

        override fun dnsEnd(
          call: Call,
          domainName: String,
          inetAddressList: List<InetAddress>,
        ) = TODO()

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

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

import mockwebserver3.junit5.StartStop
import okhttp3.CallEvent.CallEnd
import okhttp3.CallEvent.CallFailed
import okhttp3.CallEvent.CallStart
import okhttp3.CallEvent.ConnectEnd
import okhttp3.CallEvent.ConnectStart
import okhttp3.CallEvent.ConnectionAcquired
import okhttp3.CallEvent.ConnectionReleased
import okhttp3.CallEvent.DnsEnd
import okhttp3.CallEvent.DnsStart
import okhttp3.CallEvent.FollowUpDecision