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 callEnd(Call call) {
    printEvent("callEnd");
  }

  override fun connectionReleased(
    call: Call,
    connection: Connection,
  ) = onEvent(ConnectionReleased(System.nanoTime(), call, connection))

  override fun callStart(call: Call) = onEvent(CallStart(System.nanoTime(), call))

  override fun requestHeadersStart(call: Call) =
    onEvent(
      RequestHeadersStart(
        System.nanoTime(),
        call,
      ),
    )

import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
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 assertk.assertions.isInstanceOf
import assertk.assertions.matchesPredicate
import java.util.Deque
import java.util.concurrent.ConcurrentLinkedDeque
import java.util.concurrent.TimeUnit
import okhttp3.CallEvent.CallStart
import okhttp3.CallEvent.Canceled
import org.junit.jupiter.api.Assertions.fail

open class EventRecorder(
  /**
   * An override to ignore the normal order that is enforced.

 */
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 dispatcherQueueStart(
    call: Call,
    dispatcher: Dispatcher,
  ) {

      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) {

containing a query.

 - CallStart
 - **CacheHit**
 - CallEnd
 
### Cache Miss

Under a cache miss the normal request events are seen but an additional event shows the presence of the cache.
Cache Miss will be typical if the item has not been read from the network, is uncacheable, or is past it's 
lifetime based on Response cache headers.

 - CallStart 
 - **CacheMiss**
 - ProxySelectStart

  }

  data class CallStart(
    override val timestampNs: Long,
    override val call: Call,
  ) : CallEvent()

  data class CallEnd(
    override val timestampNs: Long,
    override val call: Call,
  ) : CallEvent() {
    override fun closes(event: CallEvent): Boolean = event is CallStart && call == event.call
  }

  data class CallFailed(

      mutableListOf<String>().apply {
        add("CallStart")
        if (connectionType != H2) {
          addAll(listOf("ConnectStart", "ConnectEnd"))
        }
        addAll(listOf("ConnectionAcquired", "ConnectionReleased", "CallEnd"))
      }

    assertThat(events2).isEqualTo(expectedEvents2)
  }

  private fun isConnectionEvent(it: CallEvent?) =
    it is CallStart ||
      it is CallEnd ||

) : EventListener(),
  EventListener.Factory {
  private var startNs: Long? = null

  override fun create(call: Call): EventListener = this

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

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

  override fun dispatcherQueueStart(
    call: Call,
    dispatcher: Dispatcher,
  ) {