) : 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.CallEvent.ConnectionReleased
import okhttp3.CallEvent.DnsEnd
import okhttp3.CallEvent.DnsStart
import okhttp3.CallEvent.FollowUpDecision
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