codec.cancel()
  }

  /**
   * Revoke this exchange's access to streams. This is necessary when a follow-up request is
   * required but the preceding exchange hasn't completed yet.
   */
  fun detachWithViolence() {
    codec.cancel()
    call.messageDone(this, requestDone = true, responseDone = true, e = null)
  }

  private fun trackFailure(e: IOException) {
    hasFailure = true

   */
  internal fun exitNetworkInterceptorExchange(closeExchange: Boolean) {
    this.withLock {
      check(expectMoreExchanges) { "released" }
    }

    if (closeExchange) {
      exchange?.detachWithViolence()
    }

    interceptorScopedExchange = null
  }

  fun retryAfterFailure(): Boolean {
    return exchange?.hasFailure == true &&
      exchangeFinder!!.routePlanner.hasNext(exchange?.connection)