assertTrue(future.isDone());

    assertTrue(successLatch.await(200, MILLISECONDS));
    assertTrue(listenerLatch.await(200, MILLISECONDS));

    latch.countDown();

    exec.shutdown();
    exec.awaitTermination(100, MILLISECONDS);
  }

  /**
   * Tests that all listeners complete, even if they were added before or after the future was

   */
  @ForOverride
  protected abstract void doStart();

  /**
   * This method should be used to initiate service shutdown. The invocation of this method should
   * cause a call to {@link #notifyStopped()}, either during this method's run, or after it has
   * returned. If shutdown fails, the invocation should cause a call to {@link
   * #notifyFailed(Throwable)} instead.
   *

            }
        } catch (IOException e) {
            log.error("Failed to load persisted handles", e);
        }
    }
    
    public void shutdown() {
        scheduler.shutdown();
        persistHandles();  // Final persist before shutdown
    }
}
```

## 5. Handle Reconnection Logic

### 5.1 Automatic Reconnection Handler
```java
package jcifs.internal.smb2.persistent;

# 🔬 🎉: 🕴 - 🤫

🕐❔ 👆 💪 👆 🎉 🐕‍🦺 (`startup` & `shutdown`) 🏃 👆 💯, 👆 💪 ⚙️ `TestClient` ⏮️ `with` 📄:

# 이벤트 테스트: 시작 - 종료

테스트에서 이벤트 핸들러(`startup` 및 `shutdown`)를 실행해야 하는 경우, `with` 문과 함께 `TestClient`를 사용할 수 있습니다.

      queue.enqueue(countDownEvent(latch));
      assertEquals(0, counters.size());
      queue.dispatch();
      latch.await();
      assertEquals(multiset(listener, 4), counters);
    } finally {
      service.shutdown();
    }
  }

  public void testEnqueueAndDispatch_multithreaded_withThrowingRunnable()
      throws InterruptedException {
    Object listener = new Object();

      queue.enqueue(countDownEvent(latch));
      assertEquals(0, counters.size());
      queue.dispatch();
      latch.await();
      assertEquals(multiset(listener, 4), counters);
    } finally {
      service.shutdown();
    }
  }

  public void testEnqueueAndDispatch_multithreaded_withThrowingRunnable()
      throws InterruptedException {
    Object listener = new Object();

        } catch (Exception e) {
            log.warn("Error during witness client shutdown", e);
        }

        // Shutdown scheduler
        scheduler.shutdown();

        // Close RPC client
        if (rpcClient != null) {
            rpcClient.close();
        }
    }

    /**

        ) {
          response.close()
        }
      }
    repeat(10_000) {
      okhttp.newCall(Request.Builder().url(server.url("/")).build()).enqueue(callback)
    }
    okhttp.dispatcher.executorService.shutdown()
  }

    public String getProviderName() {
        return "TCP Fallback";
    }

    @Override
    public int getMaxMessageSize() {
        return 65536; // 64KB for TCP
    }

    @Override
    public void shutdown() {
        // Nothing to clean up for TCP
    }