void testPrivateConstructor() throws Exception {
        // Verify constructor is private
        Constructor<Smb2Constants> constructor = Smb2Constants.class.getDeclaredConstructor();
        assertTrue(Modifier.isPrivate(constructor.getModifiers()), "Constructor should be private");

        // Force accessibility and create instance to achieve coverage
        constructor.setAccessible(true);

    @Test
    public void testPrivateConstructor() throws Exception {
        // Test that SuggestUtil has a private constructor to prevent instantiation
        Constructor<SuggestUtil> constructor = SuggestUtil.class.getDeclaredConstructor();
        assertTrue(Modifier.isPrivate(constructor.getModifiers()));

        // Make it accessible to test it throws no exception
        constructor.setAccessible(true);
        constructor.newInstance();

        // Verify that ThreadDumpUtil has a protected constructor (utility class pattern)
        try {
            Constructor<ThreadDumpUtil> constructor = ThreadDumpUtil.class.getDeclaredConstructor();
            assertTrue("Constructor should be protected", java.lang.reflect.Modifier.isProtected(constructor.getModifiers()));

            // Test that constructor is accessible when made accessible

        try {
            Class<?> cls = Class.forName("jcifs.smb.SmbEnumerationUtil$" + simpleName);
            Constructor<?> ctor = cls.getDeclaredConstructor(paramTypes);
            ctor.setAccessible(true);
            return ctor.newInstance(args);
        } catch (ClassNotFoundException | NoSuchMethodException | InstantiationException | IllegalAccessException

        if (Map.class.equals(dataClass)) {
            return dataMap;
        }

        try {
            final Object obj = dataClass.getDeclaredConstructor().newInstance();
            BeanUtil.copyMapToBean(dataMap, obj);
            return obj;
        } catch (final Exception e) {

    public void test_constructor_isPrivate() {
        // Verify that WebApiUtil has a private constructor (utility class pattern)
        try {
            Constructor<WebApiUtil> constructor = WebApiUtil.class.getDeclaredConstructor();
            assertTrue("Constructor should be private", java.lang.reflect.Modifier.isPrivate(constructor.getModifiers()));

            // Test that constructor is accessible when made accessible

            // When & Then - verify constructor is private by reflection
            assertDoesNotThrow(() -> {
                java.lang.reflect.Constructor<Strings> constructor = Strings.class.getDeclaredConstructor();
                assertTrue(java.lang.reflect.Modifier.isPrivate(constructor.getModifiers()), "Constructor should be private");
            }, "Should be able to access private constructor via reflection");
        }

        // Verify that KuromojiCSVUtil has a private constructor (utility class pattern)
        try {
            Constructor<KuromojiCSVUtil> constructor = KuromojiCSVUtil.class.getDeclaredConstructor();
            assertTrue("Constructor should be private", java.lang.reflect.Modifier.isPrivate(constructor.getModifiers()));

            // Test that constructor is accessible when made accessible

        if (Map.class.equals(dataClass)) {
            return dataMap;
        }

        try {
            final Object obj = dataClass.getDeclaredConstructor().newInstance();
            BeanUtil.copyMapToBean(dataMap, obj);
            return obj;
        } catch (final Exception e) {

      checkNotNull(o);
    }
  }

  public void testConstructor_ignored_shouldPass() throws Exception {
    new NullPointerTester()
        .ignore(FailOnOneOfTwoConstructors.class.getDeclaredConstructor(String.class))
        .testAllPublicConstructors(FailOnOneOfTwoConstructors.class);
  }

  public void testConstructor_shouldFail() throws Exception {
    try {