/**
     * Get existing handle data for reconnection
     * @param path the file path
     * @return the file ID if available, null otherwise
     */
    public byte[] getExistingHandle(String path) {
        HandleInfo info = getHandleForReconnect(path);
        return info != null ? info.getFileId() : null;
    }

    /**
     * Store handle information after successful create
     * @param path the file path

        if (isInit.compareAndSet(false, true)) {
            init();
        }

        // start
        AccessTimeoutTarget accessTimeoutTarget = null;
        TimeoutTask accessTimeoutTask = null;
        if (accessTimeout != null) {
            accessTimeoutTarget = new AccessTimeoutTarget(Thread.currentThread());

    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {
            String msg = "The value should not be null: variableName=null value=" + value;
            throw new IllegalArgumentException(msg);
        }
        if (value == null) {
            String msg = "The value should not be null: variableName=" + variableName;
            throw new IllegalArgumentException(msg);
        }

    if (entry != null && entry.key == key) {
      return entry.value;
    }
    entry = cacheEntry2;
    if (entry != null && entry.key == key) {
      // Promote second cache entry to first so the access pattern
      // [K1, K2, K1, K3, K1, K4...] still hits the cache half the time.
      addToCache(entry);
      return entry.value;
    }
    return null;
  }

  @Override
  void clearCache() {
    super.clearCache();

        BadWordCQ cq = new BadWordCQ();
        if (queryLambda != null) {
            queryLambda.callback(cq);
        }
        FilterAggregationBuilder builder = regFilterA(name, cq.getQuery());
        if (opLambda != null) {
            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            BadWordCA ca = new BadWordCA();
            aggsLambda.callback(ca);

        CrawlingInfoCQ cq = new CrawlingInfoCQ();
        if (queryLambda != null) {
            queryLambda.callback(cq);
        }
        FilterAggregationBuilder builder = regFilterA(name, cq.getQuery());
        if (opLambda != null) {
            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            CrawlingInfoCA ca = new CrawlingInfoCA();
            aggsLambda.callback(ca);

        @DisplayName("Should handle null buffer in read operations")
        void testReadOperationsWithNullBuffer() {
            // Read operations return 0 when given null buffer - no exceptions thrown
            assertEquals(0, response.readSetupWireFormat(null, 0, 0));
            assertEquals(0, response.readParametersWireFormat(null, 0, 0));

            // readDataWireFormat will throw when accessing null buffer

    @BeforeEach
    void setUp() {
        handler = new Handler(null);
    }

    @Nested
    @DisplayName("Constructor Tests")
    class ConstructorTests {

        @Test
        @DisplayName("Should create handler with null context")
        void testConstructorWithNullContext() {
            // When
            Handler testHandler = new Handler(null);

            // Then
            assertNotNull(testHandler);

        if (type == int.class) {
            final Integer i = IntegerConversionUtil.toInteger(o);
            if (i != null) {
                return i;
            }
            return Integer.valueOf(0);
        } else if (type == double.class) {
            final Double d = DoubleConversionUtil.toDouble(o);
            if (d != null) {
                return d;
            }
            return Double.valueOf(0);

   */

  /**
   * Creates a new instance with {@code null} as its detail message and no cause.
   *
   * @deprecated Prefer {@linkplain ExecutionError(Error)} a constructor that accepts a cause: Users
   *     of this class typically expect for instances to have a non-null cause. At the moment, you
   *     can <i>usually</i> still preserve behavior by passing an explicit {@code null} cause. Note,