final QueryThread q20 = new QueryThread(sem, name, 0x20, null, svr);
        q1x.setDaemon(true);
        q20.setDaemon(true);
        try {
            synchronized (sem) {
                q1x.start();
                q20.start();

                while (sem.count > 0 && q1x.ans == null && q20.ans == null) {
                    sem.wait();
                }

                Arguments.of(new byte[] { 0x0A, 0x0B }, new byte[] { 0x0A, 0x0B }, 100L, true),
                // fid based equality (null fileId, same fid and tree id)
                Arguments.of(null, null, 200L, true));
    }

    @ParameterizedTest(name = "equals/hashCode consistent for treeId={2}")
    @MethodSource("equalsHashParams")

    }

    /**
     * Test null safety in comparisons
     */
    public void test_nullSafety() {
        CrawlerStatus status = CrawlerStatus.INITIALIZING;
        CrawlerStatus nullStatus = null;

        // Enum == null should be false
        assertFalse(status == nullStatus);
        assertFalse(status.equals(nullStatus));

        // null == Enum should be false

    }

    // Test evaluate method with null parameter value
    public void test_evaluate_withNullParameterValue() {
        String template = "Value is: ${value}";
        Map<String, Object> paramMap = new HashMap<>();
        paramMap.put("value", null);

        Object result = scriptEngine.evaluate(template, paramMap);
        assertEquals("Value is: null", result);
    }

    public void test_add_nullDataStore() {
        try {
            dataStoreFactory.add("testName", null);
            fail("Should throw IllegalArgumentException");
        } catch (IllegalArgumentException e) {
            assertEquals("name or dataStore is null.", e.getMessage());
        }
    }

    // Test add method with both null parameters
    public void test_add_bothNull() {
        try {

  }

  @Override
  public @Nullable V get(@Nullable Object key) {
    int entry = findEntryByKey(key);
    return (entry == ABSENT) ? null : values[entry];
  }

  @Nullable K getInverse(@Nullable Object value) {
    int entry = findEntryByValue(value);
    return (entry == ABSENT) ? null : keys[entry];
  }

  @Override
  @CanIgnoreReturnValue

  /** Lazily initialized on first use. */
  private var messageDeflater: MessageDeflater? = null

  // Masks are only a concern for client writers.
  private val maskKey: ByteArray? = if (isClient) ByteArray(4) else null
  private val maskCursor: Buffer.UnsafeCursor? = if (isClient) Buffer.UnsafeCursor() else null

  /** Send a ping with the supplied [payload]. */
  @Throws(IOException::class)

     */
    protected void flush() {
        if (bulkRequestBuilder != null) {
            final BulkResponse response = bulkRequestBuilder.execute().actionGet(requestTimeout);
            if (response.hasFailures()) {
                logger.warn("Failed to update scores: {}", response.buildFailureMessage());
            }
            bulkRequestBuilder = null;
        }
    }

    /**

  public void testAddAllAtIndex_nullSupported() {
    List<E> containsNull = singletonList(null);
    assertTrue("addAll(n, containsNull) should return true", getList().addAll(0, containsNull));
    /*
     * We need (E) to force interpretation of null as the single element of a
     * varargs array, not the array itself
     */
    expectAdded(0, (E) null);
  }

  @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX)

    }

    // Test register with null factory throws exception
    public void test_register_nullFactory() {
        ComponentUtil.register(null, "scriptEngineFactory");

        try {
            testScriptEngine.register();
            fail("Should throw exception when factory is null");
        } catch (NullPointerException e) {
            // Expected exception
        }