* Returns true if there's more route plans to try.
   *
   * @param failedConnection an optional connection that was resulted in a failure. If the failure
   *     is recoverable, the connection's route may be recovered for the retry.
   */
  fun hasNext(failedConnection: RealConnection? = null): Boolean

  /**
   * Returns true if the host and port are unchanged from when this was created. This is used to

  override fun connectTlsEtc() = result

  override fun handleSuccess() = error("unexpected call")

  override fun cancel() = error("unexpected cancel")

  override fun retry() = error("unexpected retry")

            }

            try (SmbTreeHandle th = connectWrapException(loc)) {
                log.debug("Have new tree connection for retry");
            } catch (final SmbException e) {
                log.debug("Failed to connect tree on retry", e);
                last = e;
            }
        }

        if (last != null) {
            log.debug("All attempts have failed, last exception", last);

        // Should allow retries up to limit
        assertTrue(state.shouldRetry());

        state.incrementRetry(); // Retry 1
        assertTrue(state.shouldRetry());

        state.incrementRetry(); // Retry 2
        assertTrue(state.shouldRetry());

        state.incrementRetry(); // Retry 3
        assertFalse(state.shouldRetry()); // Max retries reached
    }

    @Test
    void testFailoverStateBackoff() {

    }

    /**
     * Sets the retry interval in milliseconds.
     *
     * @param retryInterval The retry interval.
     */
    public void setRetryInterval(final long retryInterval) {
        this.retryInterval = retryInterval;
    }

    /**
     * Sets the maximum retry count.
     *
     * @param maxRetryCount The maximum retry count.
     */

 *    we must send a `CONNECT` request, and handle authorization challenges from the proxy.
 *  * Optional [TLS handshake][connectTls].
 *
 * Each step may fail. If a retry is possible, a new instance is created with the next plan, which
 * will be configured differently.
 */
class ConnectPlan internal constructor(
  private val taskRunner: TaskRunner,

   * already had a healthy connection. It sets up a deferred connection by stalling the IPv6
   * connect, and it sets up a same-connection retry with [ErrorCode.REFUSED_STREAM].
   *
   * https://github.com/square/okhttp/pull/7190
   */
  @Test
  fun preferCallConnectionOverDeferredConnection() {

    cachedResponse: Response,
  ) = onEvent(CacheConditionalHit(System.nanoTime(), call))

  override fun retryDecision(
    call: Call,
    exception: IOException,
    retry: Boolean,
  ) = onEvent(RetryDecision(System.nanoTime(), call, exception, retry))

  override fun followUpDecision(
    call: Call,
    networkResponse: Response,
    nextRequest: Request?,

                            final Smb2IoctlResponse response = copy.getResponse();
                            if (!retry && response.isReceived() && !response.isError()
                                    && response.getStatus() == NtStatus.NT_STATUS_INVALID_PARAMETER) {
                                retry = true;
                                final SrvCopyChunkCopyResponse outputData = response.getOutputData(SrvCopyChunkCopyResponse.class);

    return result
  }

  private fun cancelInFlightConnects() {
    for (plan in tcpConnectsInFlight) {
      plan.cancel()
      val retry = plan.retry() ?: continue
      routePlanner.deferredPlans.addLast(retry)
    }
    tcpConnectsInFlight.clear()
  }