if (leaseKey != null) {
        LeaseEntry entry = leaseManager.getLease(leaseKey);
        return entry != null && entry.hasHandleCache();
    }
    return false;
}
```

### 6.3 Transport Layer Integration
```java
// In SmbTransport.java
private void handleIncomingMessage(ServerMessageBlock2 msg) {
    if (msg instanceof Smb2LeaseBreakNotification) {

---
name: Feature request
about: Suggest an idea for this project
title: ''
labels: ''
assignees: ''

---

<%@page pageEncoding="UTF-8" contentType="text/html; charset=UTF-8"%>
<footer role="contentinfo">
	<div class="container text-center">
		<p class="text-muted">
			<la:message key="labels.footer.copyright" />
		</p>
	</div>

//// tab | Python 3.8+ alternative

```Python hl_lines="1  4"
{!> ../../docs_src/python_types/tutorial009b.py!}
```

////

#### Gebruik van `Union` of `Optional`

Als je een Python versie lager dan 3.10 gebruikt, is dit een tip vanuit mijn **subjectieve** standpunt:

* 🚨 Vermijd het gebruik van `Optional[EenType]`.
* Gebruik in plaats daarvan **`Union[EenType, None]`** ✨.

permissions: {}

jobs:
  check_pull_metadata:
    permissions:
      issues: write
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
      # Check that PRs have proper metadata: labels and milestone
      # https://github.com/gradle/issue-management-action/blob/main/src/pull-metadata.ts

	doneCh := make(chan error, 1)
	defer xioutil.SafeClose(doneCh)

	// Save rebalance.bin periodically.
	go func() {
		// Update rebalance.bin periodically once every 5-10s, chosen randomly
		// to avoid multiple pool leaders herding to update around the same
		// time.
		r := rand.New(rand.NewSource(time.Now().UnixNano()))
		randSleepFor := func() time.Duration {
			return 5*time.Second + time.Duration(float64(5*time.Second)*r.Float64())
		}

        assertEquals(32, derived3.length, "Derived key should have correct length");

        assertFalse(Arrays.equals(derived1, derived2), "Different labels should produce different keys");
        assertFalse(Arrays.equals(derived1, derived3), "Different contexts should produce different keys");
    }

    @Test
    public void testStoreNullKey() {

        Duration initial = MonotonicClock.elapsed();
        Thread.sleep(50); // Longer delay for more reliable measurement
        Duration later = MonotonicClock.elapsed();

        assertTrue(later.compareTo(initial) > 0, "Elapsed time should increase");
        assertTrue(
                later.minus(initial).toMillis() >= 45,
                "Elapsed time difference should be at least 45ms (accounting for some timing variance)");
    }

jobs:
  test_containers:
    permissions:
      checks: write # for actions/upload-artifact
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/master' || contains(github.event.pull_request.labels.*.name, 'containers')

    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Configure JDK
        uses: actions/setup-java@v5
        with:
          distribution: 'zulu'

pkg runtime/pprof, func ForLabels(context.Context, func(string, string) bool)
pkg runtime/pprof, func Label(context.Context, string) (string, bool)
pkg runtime/pprof, func Labels(...string) LabelSet
pkg runtime/pprof, func SetGoroutineLabels(context.Context)
pkg runtime/pprof, func WithLabels(context.Context, LabelSet) context.Context
pkg runtime/pprof, type LabelSet struct