connection: Connection,
    route: Route,
    call: Call,
  ) {
    logEvent(ConnectionEvent.ConnectEnd(System.nanoTime(), connection, route, call))
  }

  override fun connectionClosed(connection: Connection) = logEvent(ConnectionEvent.ConnectionClosed(System.nanoTime(), connection))

  override fun connectionAcquired(
    connection: Connection,
    call: Call,
  ) {

          connection.noNewExchanges = true
          connectionUser.releaseConnectionNoEvents()
        }
      if (toClose != null) {
        toClose.closeQuietly()
        connectionListener.connectionClosed(connection)
      } else if (noNewExchangesEvent) {
        connectionListener.noNewExchanges(connection)
      }
    }
    return null
  }

  fun put(connection: RealConnection) {

    val route: Route,
    val call: Call,
  ) : ConnectionEvent() {
    override fun closes(event: ConnectionEvent): Boolean = event is ConnectStart && call == event.call && route == event.route
  }

  data class ConnectionClosed(
    override val timestampNs: Long,
    override val connection: Connection,
  ) : ConnectionEvent()

  data class ConnectionAcquired(
    override val timestampNs: Long,
    override val connection: Connection,

   */
  open fun connectEnd(
    connection: Connection,
    route: Route,
    call: Call,
  ) {}

  /**
   * Invoked when a connection is released as no longer required.
   */
  open fun connectionClosed(connection: Connection) {}

  /**
   * Invoked when a call is assigned a particular connection.
   */
  open fun connectionAcquired(
    connection: Connection,
    call: Call,
  ) {}

  /**

    connection.connectionListener.connectionReleased(connection, call)
  }

  override fun connectionConnectionClosed(connection: RealConnection) {
    connection.connectionListener.connectionClosed(connection)
  }

  override fun noNewExchanges(connection: RealConnection) {
    connection.connectionListener.noNewExchanges(connection)
  }

  override fun doExtensiveHealthChecks(): Boolean {

    assertThat(clientTestRule.recordedConnectionEventTypes()).containsExactly(
      "ConnectStart",
      "ConnectEnd",
      "ConnectionAcquired",
      "NoNewExchanges",
      "ConnectionReleased",
      "ConnectionClosed",
      "ConnectStart",
      "ConnectEnd",
      "ConnectionAcquired",
      "ConnectionReleased",
    )
  }

  @Test
  fun http2OneBadHostOneGoodNoRetryOnConnectionFailureFastFallback() {

    }
    assertThat(listener.recordedEventTypes()).containsExactly(
      "ConnectStart",
      "ConnectEnd",
      "ConnectionAcquired",
      "NoNewExchanges",
      "ConnectionReleased",
      "ConnectionClosed",
    )
  }

  @Throws(IOException::class)
  private fun assertSuccessfulEventOrder() {
    val call =
      client.newCall(
        Request.Builder()
          .url(server!!.url("/"))

        eventListener.connectionReleased(this, connection)
        connection.connectionListener.connectionReleased(connection, this)
        if (toClose != null) {
          connection.connectionListener.connectionClosed(connection)
        }
      } else {
        check(toClose == null) // If we still have a connection we shouldn't be closing any sockets.
      }
    }

    val result = timeoutExit(e)

	public fun connectFailed (Lokhttp3/Route;Lokhttp3/Call;Ljava/io/IOException;)V
	public fun connectStart (Lokhttp3/Route;Lokhttp3/Call;)V
	public fun connectionAcquired (Lokhttp3/Connection;Lokhttp3/Call;)V
	public fun connectionClosed (Lokhttp3/Connection;)V
	public fun connectionReleased (Lokhttp3/Connection;Lokhttp3/Call;)V
	public fun noNewExchanges (Lokhttp3/Connection;)V
}

public final class okhttp3/ConnectionListener$Companion {