fastFallback = client.fastFallback,
          address = client.address(request.url),
          connectionUser = CallConnectionUser(this, connectionPool.connectionListener, chain),
          routeDatabase = client.routeDatabase,
        )
      this.exchangeFinder =
        when {
          client.fastFallback -> FastFallbackExchangeFinder(routePlanner, client.taskRunner)
          else -> SequentialExchangeFinder(routePlanner)

      val address = failedRoute.address
      address.proxySelector.connectFailed(
        address.url.toUri(),
        failedRoute.proxy.address(),
        failure,
      )
    }

    client.routeDatabase.failed(failedRoute)
  }

  /**
   * Track a failure using this connection. This may prevent both the connection and its route from
   * being used for future exchanges.
   */
  override fun trackFailure(

    version being used (HTTP/1.1, HTTP/2). The old name of this method was
    misleading; it was always used to configure redirects between `https://` and
    `http://` schemes.

 *  **RouteDatabase is no longer public API.** OkHttp continues to track which
    routes have failed but this is no exposed in the API.

 *  **ResponseSource is gone.** This enum exposed whether a response came from

HSPLokhttp3/internal/connection/ReusePlan;->handleSuccess()Lokhttp3/internal/connection/RealConnection;
HSPLokhttp3/internal/connection/ReusePlan;->isReady()Z
HSPLokhttp3/internal/connection/RouteDatabase;-><init>()V
HSPLokhttp3/internal/connection/RoutePlanner$ConnectResult;-><init>(Lokhttp3/internal/connection/RoutePlanner$Plan;Lokhttp3/internal/connection/RoutePlanner$Plan;Ljava/lang/Throwable;I)V