// Initialize scheduler for dynamic threshold adjustment
        this.scheduler =
                dynamicThresholdEnabled ? Executors.newScheduledThreadPool(1, r -> new Thread(r, "SmbCircuitBreaker-" + name)) : null;

        // Start dynamic threshold adjustment if enabled
        if (dynamicThresholdEnabled) {
            startDynamicThresholdAdjustment();
        }

        SmbCircuitBreaker dynamicCircuitBreaker = new SmbCircuitBreaker("dynamic-test", 5, 2, 1000, 3, true, false, 100);

        try {
            // Test threshold adjustment
            int initialThreshold = dynamicCircuitBreaker.getCurrentFailureThreshold();
            assertEquals(5, initialThreshold, "Initial threshold should be 5");

            // Update threshold

        // has now been moved after index.
        return new MoveDesc<>(actualLastElement, changes.replaced);
      }
    }
    // Trickled element was after index to begin with, no adjustment needed.
    return changes;
  }

  private @Nullable MoveDesc<E> fillHole(int index, E toTrickle) {
    Heap heap = heapForIndex(index);
    // We consider elementData(index) a "hole", and we want to fill it

          delta = peerInitialWindowSize - previousPeerSettings.initialWindowSize.toLong()
          streamsToNotify =
            when {
              delta == 0L || streams.isEmpty() -> null // No adjustment is necessary.
              else -> streams.values.toTypedArray()
            }

          peerSettings = newPeerSettings

          settingsListenerQueue.execute("$connectionName onSettings") {