}

            // Atomically get or create the AtomicLong for this host using Cache.get()
            // This ensures thread-safe, atomic get-or-create behavior
            // Initialize with 0 to mark uninitialized state
            final AtomicLong lastTime = lastTimes.get(host, () -> new AtomicLong(0));

            synchronized (lastTime) {
                final long lastValue = lastTime.get();

   */
  @WeakOuter
  private final class Heap {
    final Ordering<E> ordering;

    @SuppressWarnings("nullness:initialization.field.uninitialized")
    @Weak
    Heap otherHeap; // always initialized immediately after construction

    Heap(Ordering<E> ordering) {
      this.ordering = ordering;
    }

    int compareElements(int a, int b) {

    int hash = smearedHash(key);
    int mask = hashTableMask();
    int tableIndex = hash & mask;
    int next = CompactHashing.tableGet(requireTable(), tableIndex);
    if (next == UNSET) { // uninitialized bucket
      if (newSize > mask) {
        // Resize and add new entry
        mask = resizeTable(mask, CompactHashing.newCapacity(mask), hash, newEntryIndex);
      } else {

    int hash = smearedHash(object);
    int mask = hashTableMask();
    int tableIndex = hash & mask;
    int next = CompactHashing.tableGet(requireTable(), tableIndex);
    if (next == UNSET) { // uninitialized bucket
      if (newSize > mask) {
        // Resize and add new entry
        mask = resizeTable(mask, CompactHashing.newCapacity(mask), hash, newEntryIndex);
      } else {

    int hash = smearedHash(key);
    int mask = hashTableMask();
    int tableIndex = hash & mask;
    int next = CompactHashing.tableGet(requireTable(), tableIndex);
    if (next == UNSET) { // uninitialized bucket
      if (newSize > mask) {
        // Resize and add new entry
        mask = resizeTable(mask, CompactHashing.newCapacity(mask), hash, newEntryIndex);
      } else {

    set("a", "a1", "a2")
    val iterator = cache.snapshots()
    cache.close()
    assertThat(iterator.hasNext()).isFalse()
  }

  @Test
  fun isClosed_uninitializedCache() {
    // Create an uninitialized cache.
    cache =
      DiskLruCache(filesystem, cacheDir, appVersion, 2, Int.MAX_VALUE.toLong(), taskRunner).also {
        toClose.add(it)
      }
    assertThat(cache.isClosed()).isFalse()

        converter.init();
        assertTrue(testConverter.isInitialized());
    }

    @Test
    public void testInitMultipleTimes() throws IOException {
        // Test multiple initialization calls
        converter.init();
        assertTrue(testConverter.isInitialized());

        // Call init again
        converter.init();
        assertTrue(testConverter.isInitialized());
        assertEquals(2, testConverter.getInitCount());

  using `EndpointSlices` instead. ([#130564](https://github.com/kubernetes/kubernetes/pull/130564), [@danwinship](https://github.com/danwinship)) [SIG Apps and Network]
- Errors returned by apiserver from uninitialized cache will include last error from etcd ([#130899](https://github.com/kubernetes/kubernetes/pull/130899), [@serathius](https://github.com/serathius)) [SIG API Machinery and Testing]

     */
    public String getSettingsIndexName() {
        return settingsIndexName;
    }

    /**
     * Checks if the settings are initialized.
     * @return True if initialized, false otherwise.
     */
    public boolean isInitialized() {
        return initialized;
    }

    private Map<String, Object> defaultSettings() {
        final Map<String, Object> defaultSettings = new HashMap<>();

        return new DisniMemoryRegion(buffer, access, endpoint);
    }

    /**
     * Initialize DiSNI components if not already initialized
     *
     * @throws IOException if initialization fails
     */
    private void ensureInitialized() throws IOException {
        if (!initialized) {
            try {
                // In a real implementation, this would initialize DiSNI: