) : CallEvent() {
    override fun closes(event: CallEvent): Boolean = event is ConnectionAcquired && call == event.call && connection == event.connection
  }

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

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

import okhttp3.Call
import okhttp3.CallEvent
import okhttp3.CallEvent.CallEnd
import okhttp3.CallEvent.CallStart
import okhttp3.CallEvent.Canceled
import okhttp3.CallEvent.ConnectEnd
import okhttp3.CallEvent.ConnectStart
import okhttp3.CallEvent.ConnectionAcquired
import okhttp3.CallEvent.ConnectionReleased
import okhttp3.CallEvent.RequestFailed
import okhttp3.CallEvent.ResponseFailed

import okhttp3.CallEvent.ConnectionReleased
import okhttp3.CallEvent.DnsEnd
import okhttp3.CallEvent.DnsStart
import okhttp3.CallEvent.ProxySelectEnd
import okhttp3.CallEvent.ProxySelectStart
import okhttp3.CallEvent.RequestBodyEnd
import okhttp3.CallEvent.RequestBodyStart
import okhttp3.CallEvent.RequestFailed
import okhttp3.CallEvent.RequestHeadersEnd
import okhttp3.CallEvent.RequestHeadersStart
import okhttp3.CallEvent.ResponseBodyEnd

import okhttp3.CallEvent.CallEnd
import okhttp3.CallEvent.CallFailed
import okhttp3.CallEvent.CallStart
import okhttp3.CallEvent.ConnectStart
import okhttp3.CallEvent.ConnectionAcquired
import okhttp3.CallEvent.DnsEnd
import okhttp3.CallEvent.DnsStart
import okhttp3.CallEvent.RequestBodyEnd
import okhttp3.CallEvent.RequestBodyStart
import okhttp3.CallEvent.RequestHeadersEnd

import mockwebserver3.SocketPolicy.StallSocketAtStart
import mockwebserver3.junit5.internal.MockWebServerInstance
import okhttp3.CallEvent.CallEnd
import okhttp3.CallEvent.ConnectStart
import okhttp3.CallEvent.ConnectionAcquired
import okhttp3.CallEvent.ConnectionReleased
import okhttp3.CallEvent.ResponseFailed
import okhttp3.CertificatePinner.Companion.pin
import okhttp3.Credentials.basic
import okhttp3.Headers.Companion.headersOf