*    * dns ([dnsStart], [dnsEnd])
 *    * connect ([connectStart], [connectEnd], [connectFailed])
 *      * secure connect ([secureConnectStart], [secureConnectEnd])
 *    * connection held ([connectionAcquired], [connectionReleased])
 *      * request ([requestFailed])
 *        * headers ([requestHeadersStart], [requestHeadersEnd])
 *        * body ([requestBodyStart], [requestBodyEnd])
 *      * response ([responseFailed])

          releaseConnectionNoEvents()
        }
      if (this.connection == null) {
        toClose?.closeQuietly()
        eventListener.connectionReleased(this, connection)
        connection.connectionListener.connectionReleased(connection, this)
        if (toClose != null) {
          connection.connectionListener.connectionClosed(connection)
        }
      } else {

response only if the response code is HTTP/1.1 304 Not Modified.
 
 - CallStart
 - **CacheConditionalHit**
 - ConnectionAcquired
 - ... Standard Events...
 - ResponseBodyEnd _(0 bytes)_
 - **CacheHit**
 - ConnectionReleased
 - CallEnd
 
## Cache directory

The cache directory must be exclusively owned by a single instance.

Deleting the cache when it is no longer needed can be done.  However this may delete the purpose of the cache

	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
	public fun dnsEnd (Lokhttp3/Call;Ljava/lang/String;Ljava/util/List;)V
	public fun dnsStart (Lokhttp3/Call;Ljava/lang/String;)V

    expectedEvents += "ResponseHeadersEnd"
    expectedEvents += "FollowUpDecision"
    expectedEvents += "ResponseBodyStart"
    expectedEvents += "ResponseBodyEnd"
    expectedEvents += "ConnectionReleased"
    expectedEvents += "CallEnd"
    assertThat(listener.recordedEventTypes()).isEqualTo(expectedEvents)

    // Confirm that the connection pool was not corrupted by making another call.
    makeSimpleCall()

      "RequestHeadersStart",
      "RequestHeadersEnd",
      "ResponseHeadersStart",
      "ResponseHeadersEnd",
      "FollowUpDecision",
      "ResponseBodyStart",
      "ResponseBodyEnd",
      "ConnectionReleased",
      "CallEnd",
    )
  }

  @Test
  fun sseReauths() {
    client =
      client
        .newBuilder()
        .authenticator { route, response ->
          response.request

  }

  data class ConnectionAcquired(
    override val timestampNs: Long,
    override val call: Call,
    val connection: Connection,
  ) : CallEvent()

  data class ConnectionReleased(
    override val timestampNs: Long,
    override val call: Call,
    val connection: Connection,
  ) : CallEvent() {

        "RequestHeadersEnd",
        "ResponseHeadersStart",
        "ResponseHeadersEnd",
        "FollowUpDecision",
        "ResponseBodyStart",
        "ResponseBodyEnd",
        "ConnectionReleased",
        "CallEnd",
      ),
      eventListener.recordedEventTypes(),
    )

    eventListener.clearAllEvents()

    client.newCall(request).execute().use { response ->

      "RequestBodyStart",
      "ResponseHeadersStart",
      "ResponseHeadersEnd",
      "FollowUpDecision",
      "ResponseBodyStart",
      "ResponseBodyEnd",
      "RequestBodyEnd",
      "ConnectionReleased",
      "CallEnd",
    )
  }

  @Test
  fun duplexWith100Continue() {
    enableProtocol(Protocol.HTTP_2)
    val body =
      MockSocketHandler()
        .receiveRequest("request body\n")

      check(toClose == null)
      return ReusePlan(candidate)
    }

    // The call's connection was released.
    toClose?.closeQuietly()
    connectionUser.connectionReleased(candidate)
    connectionUser.connectionConnectionReleased(candidate)
    if (toClose != null) {
      connectionUser.connectionConnectionClosed(candidate)
    } else if (noNewExchangesEvent) {