kryo.register(ArrayList.class, new CollectionSerializer<>());
        kryo.register(LinkedList.class, new CollectionSerializer<>());
        kryo.register(HashSet.class, new CollectionSerializer<>());
        kryo.register(LinkedHashSet.class, new CollectionSerializer<>());
        kryo.register(TreeSet.class, new CollectionSerializer<>());

        // Maps - with explicit serializers for safety

        final int threadCount = 10;
        final Thread[] threads = new Thread[threadCount];
        final boolean[] results = new boolean[threadCount];

        try (EmptyIterator sharedIterator = new EmptyIterator()) {
            // When
            for (int i = 0; i < threadCount; i++) {
                final int index = i;
                threads[i] = new Thread(() -> {
                    // Each thread performs multiple operations

    assertFalse(future.set(new Foo()));
    assertFalse(future.setException(new Exception("bar")));
    assertFalse(future.setFuture(SettableFuture.create()));
    // Check that the future has been set properly.
    assertFalse(future.isDone());
    assertFalse(future.isCancelled());
    assertThrows(TimeoutException.class, () -> future.get(0, MILLISECONDS));
    FooChild value = new FooChild();
    nested.set(value);

        NetworkInterfaceInfo localNic = new NetworkInterfaceInfo(localAddr, 1);
        NetworkInterfaceInfo remoteNic = new NetworkInterfaceInfo(remoteAddr, 445);

        // Mock transport doesn't have isConnected, but we can work around it

        ChannelInfo channel = new ChannelInfo("test-channel", mockTransport, localNic, remoteNic);

    }

    @BeforeEach
    @Override
    public void setUp() throws Exception {
        super.setUp();

        updateCheckManager = new DefaultUpdateCheckManager(
                new ConsoleLogger(Logger.LEVEL_DEBUG, "test"), new DefaultTrackingFileManager());
    }

    @Test
    void testArtifact() throws Exception {
        ArtifactRepository remoteRepository = remoteRepository();

  public final Entry<String, String>[] createArray(int length) {
    return (Entry<String, String>[]) new Entry<?, ?>[length];
  }

  @Override
  public final String[] createKeyArray(int length) {
    return new String[length];
  }

  @Override
  public final String[] createValueArray(int length) {
    return new String[length];
  }

  /** Returns the original element list, unchanged. */
  @Override

    public void test_write_noConfig() throws Exception {
        final FessConfig fessConfig = createFessConfigWithResponseHeaders("");
        FessActionAdjustmentProvider provider = new FessActionAdjustmentProvider(fessConfig);
        final Map<String, String> headerMap = new HashMap<>();
        provider.adjustActionResponseHeaders("text/plain", (k, v) -> headerMap.put(k, v));

        assertEquals(0, headerMap.size());
    }

    @Test

        // Write completely empty file
        try (java.io.FileWriter fw = new java.io.FileWriter(testFile)) {
            // Write nothing
        }

        // Create a new CharMappingFile instance to ensure clean state
        CharMappingFile emptyMappingFile = new CharMappingFile("empty_test", testFile.getAbsolutePath(), new Date());
        emptyMappingFile.manager(dictionaryManager);

    assertEquals(0, entry.getChildren().size());
}

@Test
public void testDirectoryLeaseManager() {
    CIFSContext context = new BaseContext(new PropertyConfiguration());
    LeaseManager baseManager = new LeaseManager(context);
    DirectoryLeaseManager dirManager = new DirectoryLeaseManager(context, baseManager);
    
    // Request directory lease
    Smb2LeaseKey key = dirManager.requestDirectoryLease(

        project.setScm(new Scm());
        project.getScm().setConnection("scm-connection");
        project.addDependency(dependency1);
        project.addDependency(dependency2);
        project.setBuild(new Build());

        // Build up an artifactMap
        project.addArtifact(new Artifact("g0", "a0", "v0", "e0", "c0"));
        project.addArtifact(new Artifact("g1", "a1", "v1", "e1", "c1"));