long nowNanos = System.nanoTime();
      if (name.equals("callStart")) {
        callStartNanos = nowNanos;
      }
      long elapsedNanos = nowNanos - callStartNanos;
      System.out.printf("%.3f %s%n", elapsedNanos / 1000000000d, name);
    }

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

    @Override public void proxySelectStart(Call call, HttpUrl url) {

        .build(),
    )
    val response = client.newCall(request().build()).execute()
    assertThat(response.body).isNotNull()
    response.body.bytes()
    logRecorder
      .assertLogMatch(Regex("""callStart: Request\{method=GET, url=$url\}"""))
      .assertLogMatch(Regex("""proxySelectStart: $url"""))
      .assertLogMatch(Regex("""proxySelectEnd: \[DIRECT]"""))
      .assertLogMatch(Regex("""dnsStart: ${url.host}"""))

    client.newCall(request).execute().use { response ->
      assertEquals(200, response.code)
    }

    assertEquals(
      listOf(
        "CallStart", "ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd",
        "ConnectStart", "SecureConnectStart", "SecureConnectEnd", "ConnectEnd",

   *
   * This will be invoked only once for a single [Call]. Retries of different routes or redirects
   * will be handled within the boundaries of a single [callStart] and [callEnd]/[callFailed] pair.
   */
  open fun callStart(call: Call) {
  }

  /**
   * Invoked prior to a proxy selection.
   *
   * This will be invoked for route selection regardless of whether the client

 */
class LoggingEventListener private constructor(
  private val logger: HttpLoggingInterceptor.Logger,
) : EventListener() {
  private var startNs: Long = 0

  override fun callStart(call: Call) {
    startNs = System.nanoTime()

    logWithTime("callStart: ${call.request()}")
  }

  override fun proxySelectStart(
    call: Call,
    url: HttpUrl,
  ) {
    logWithTime("proxySelectStart: $url")
  }

    assertThat(
      logs.map {
        it.msg.replace(
          "\\[\\d+ ms] ".toRegex(),
          "",
        )
      },
    ).containsExactly(
      "callStart: Request{method=GET, url=http://google.com/robots.txt}",
      "proxySelectStart: http://google.com/",
      "proxySelectEnd: [DIRECT]",
      "dnsStart: google.com",

    listener.assertOpen()
    listener.assertEvent(null, null, "hey")
    listener.assertClose()
    assertThat(eventListener.recordedEventTypes()).containsExactly(
      "CallStart",
      "ProxySelectStart",
      "ProxySelectEnd",
      "DnsStart",
      "DnsEnd",
      "ConnectStart",
      "ConnectEnd",
      "ConnectionAcquired",
      "RequestHeadersStart",

      requestBody.writeUtf8("request A\n")
      requestBody.close()
    }
    body.awaitSuccess()
    assertThat(listener.recordedEventTypes()).containsExactly(
      "CallStart", "ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd", "ConnectStart",
      "SecureConnectStart", "SecureConnectEnd", "ConnectEnd", "ConnectionAcquired",

    }.also { expected ->
      assertThat(expected.message!!).startsWith("unexpected end of stream on http://")
    }

    assertThat(listener.recordedEventTypes()).containsExactly(
      "CallStart", "ConnectionAcquired", "RequestHeadersStart", "RequestHeadersEnd",
      "RequestBodyStart", "RequestBodyEnd", "ResponseFailed", "ConnectionReleased", "CallFailed",
    )
    listener.clearAllEvents()

    var dns: Dns = Dns { TODO() }

    val system: Dns = Dns.SYSTEM
  }

  @Test
  fun eventListener() {
    val eventListener =
      object : EventListener() {
        override fun callStart(call: Call) = TODO()

        override fun dnsStart(
          call: Call,
          domainName: String,
        ) = TODO()

        override fun dnsEnd(
          call: Call,