double totalTimeMs = (end - start) / 1_000_000.0;

        System.out.printf("Overall Performance Test: completed in %.2f ms%n", totalTimeMs);

        // Should complete very quickly with all optimizations
        assertTrue(totalTimeMs < 100, "All operations should complete quickly with performance fixes");

        pool.close();
    }

    }

    return e
  }

  /**
   * Complete this call. This should be called once these properties are all false:
   * [requestBodyOpen], [responseBodyOpen], [socketSinkOpen], [socketSourceOpen], and
   * [expectMoreExchanges].
   *
   * This will release the connection if it is still held.
   *
   * It will also notify the listener that the call completed; either successfully or
   * unsuccessfully.
   *

              }
            }
          });
      executor.execute(
          new Runnable() {
            @Override
            public void run() {
              future.cancel(true);
              if (!future.isDone()) {
                errorMessage.set("Cancel call exited before future was complete.");
              }
            }
          });

  private TimeoutFuture(ListenableFuture<V> delegate) {
    this.delegateRef = Preconditions.checkNotNull(delegate);
  }

  /** A runnable that is called when the delegate or the timer completes. */
  private static final class Fire<V extends @Nullable Object> implements Runnable {
    @LazyInit @Nullable TimeoutFuture<V> timeoutFutureRef;

    Fire(TimeoutFuture<V> timeoutFuture) {

   * computation is {@linkplain java.util.concurrent.Future#isDone() complete} or, if the
   * computation is already complete, immediately.
   *
   * <p>The callback is run on {@code executor}. There is no guaranteed ordering of execution of
   * callbacks, but any callback added through this method is guaranteed to be called once the
   * computation is complete.
   *
   * <p>Example:
   *
   * {@snippet :

    // But they disappear when the edit completes.
    sink0.close()
    editor.commit()
    assertThat(readFileOrNull(getCleanFile("k1", 0))).isNull()
    assertThat(readFileOrNull(getDirtyFile("k1", 0))).isNull()
  }

  @Test
  fun `close with completed zombie write`() {
    val afterRemoveCleanFileContents = if (windows) "a" else null

   */
  private val tcpConnectsInFlight = CopyOnWriteArrayList<Plan>()

  /**
   * Results are posted here as they occur. The find job is done when either one plan completes
   * successfully or all plans fail.
   */
  private val connectResults = taskRunner.backend.decorate(LinkedBlockingDeque<ConnectResult>())

  override fun find(): RealConnection {

                        try {
                            startLatch.countDown();
                            holdLatch.await();
                            return "completed";
                        } catch (InterruptedException e) {
                            throw new RuntimeException(e);
                        }
                    });
                } catch (Exception e) {

  }

  public void testListeningDecorator_scheduleSuccess() throws Exception {
    CountDownLatch completed = new CountDownLatch(1);
    ScheduledThreadPoolExecutor delegate =
        new ScheduledThreadPoolExecutor(1) {
          @Override
          protected void afterExecute(Runnable r, Throwable t) {
            completed.countDown();
          }
        };

            urlQueueService.delete(sessionId);
            dataService.delete(sessionId);
            urlFilter.clear();
            if (logger.isInfoEnabled()) {
                logger.info("Completed crawler cleanup: sessionId={}", sessionId);
            }
        } catch (final Exception e) {
            logger.warn("Failed to cleanup crawler data: sessionId={}", sessionId, e);
        }
    }

    /**