assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withNullMessage() {
        // Test with null message
        ResultOffsetExceededException exception = new ResultOffsetExceededException(null);

        assertNull(exception.getMessage());
        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);

public class Handler extends URLStreamHandler {

    public static final String PROTOCOL_TYPE = "test";

    @Override
    protected URLConnection openConnection(URL u) throws IOException {
        return null;
    }

     */
    ActionResponse getResponse(SsoResponseType responseType);

    /**
     * Performs logout for the specified user.
     * @param user The user to logout.
     * @return The logout URL or null if not applicable.
     */
    String logout(FessUserBean user);

        // Default constructor
    }

    /**
     * Creates an OptionalEntity from a nullable entity.
     *
     * @param <T> the type of the entity
     * @param entity the entity (can be null)
     * @return the OptionalEntity
     */
    public static <T> OptionalEntity<T> ofNullable(final T entity) {
        return OptionalEntity.ofNullable(entity, () -> {});
    }

    public boolean isPartialResults() {
        return partialResults;
    }

    /**
     * Gets the facet response containing aggregated facet information.
     *
     * @return The facet response, or null if no facets were requested
     */
    public FacetResponse getFacetResponse() {
        return facetResponse;
    }

    /**
     * Creates a new SearchResultBuilder for constructing SearchResult instances.

    //                                  --------------------
    /**
     * Set the value of hostname, used in parameter comment. <br>
     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param hostname The parameter value of hostname. (NotNull)
     */
    public void setHostname(String hostname) {
        registerVariable("hostname", hostname);
    }

            }
            final CorsHandlerFactory factory = ComponentUtil.getCorsHandlerFactory();
            final CorsHandler handler = factory.get(origin);
            if (handler != null) {
                handler.process(origin, request, response);

                if (OPTIONS.equals(httpRequest.getMethod())) {
                    final HttpServletResponse httpResponse = (HttpServletResponse) response;

        fields.put(key, value);
    }

    @Override
    public Map<String, Object> toSource() {
        final Map<String, Object> sourceMap = super.toSource();
        if (fields != null) {
            sourceMap.putAll(fields);
        }
        return sourceMap;
    }

    @Override
    protected void addFieldToSource(final Map<String, Object> sourceMap, final String field, final Object value) {

        message = constraintAnnotation.message();
        validateParameters();
    }

    @Override
    public boolean isValid(final CharSequence value, final ConstraintValidatorContext context) {
        if (value == null) {
            return true;
        }

        final HibernateConstraintValidatorContext hibernateContext = context.unwrap(HibernateConstraintValidatorContext.class);

    }

    @Test
    public void test_packageStructure() {
        final Package pkg = FessActionValidator.class.getPackage();
        assertNotNull(pkg, "Package should not be null");
        assertEquals("Should be in correct package", "org.codelibs.fess.validation", pkg.getName());
    }

    @Test
    public void test_isPublicClass() {