messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY);
        final VaMessenger<FessMessages> parseErrorCode =
                messages -> messages.addErrorsInvalidQueryParseError(UserMessages.GLOBAL_PROPERTY_KEY);

        // Execute
        final InvalidQueryException unknownException = new InvalidQueryException(unknownErrorCode, message);

    public void test_differentMessageCodes() {
        // Setup - test with different message codes
        final String message = "Test message";
        final VaMessenger<FessMessages> loginErrorCode = messages -> messages.addErrorsSsoLoginError(UserMessages.GLOBAL_PROPERTY_KEY);
        final VaMessenger<FessMessages> logoutErrorCode = messages -> messages.addSuccessSsoLogout(UserMessages.GLOBAL_PROPERTY_KEY);

        // Execute

        // Verify error messages use field names without doc. prefix
        final FessMessages messages = new FessMessages();
        errorMessages.forEach(m -> m.message(messages));

        assertTrue(messages.hasMessageOf("doc.url"));
        assertTrue(messages.hasMessageOf("doc.title"));
        assertTrue(messages.hasMessageOf("doc.role"));
        assertTrue(messages.hasMessageOf("doc.boost"));
    }

        final List<ChatMessage> messages = session.getMessages();
        assertEquals(4, messages.size());
        assertEquals(ChatMessage.ROLE_USER, messages.get(0).getRole());
        assertEquals("User 2", messages.get(0).getContent());
        assertEquals(ChatMessage.ROLE_ASSISTANT, messages.get(1).getRole());
        assertEquals("Assistant 2", messages.get(1).getContent());

constraints.Range.message = {item} musi być w zakresie od {min} do {max}.
constraints.SafeHtml.message = {item} zawiera niebezpieczną zawartość HTML.
constraints.ScriptAssert.message = Wyrażenie skryptowe "{script}" nie jest prawdziwe.
constraints.URL.message = {item} nie jest prawidłowym adresem URL.
constraints.Required.message = {item} jest wymagane.
constraints.TypeInteger.message = {item} musi być liczbą.
constraints.TypeLong.message = {item} musi być liczbą.

     * @param validationMessagesLambda lambda function that adds validation messages
     * @return concatenated string of localized validation messages separated by spaces
     */
    protected String getMessage(final VaMessenger<FessMessages> validationMessagesLambda) {
        final FessMessages messages = new FessMessages();
        validationMessagesLambda.message(messages);

 * This validator provides validation functionality for Fess web actions with custom
 * message handling and runtime group validation.
 *
 * @param <MESSAGES> the type of user messages used by this validator
 */
public class FessActionValidator<MESSAGES extends UserMessages> extends ActionValidator<MESSAGES> {

    /**
     * Constructs a new FessActionValidator with the specified components.
     *

        final List<LlmMessage> messages = request.getMessages();
        // system + user = 2 messages
        assertEquals(2, messages.size());
        assertEquals("system", messages.get(0).getRole());
        assertEquals("user", messages.get(1).getRole());
        assertTrue(messages.get(1).getContent().contains("What is Fess?"));
        assertTrue(messages.get(1).getContent().contains("<user_input>"));
    }

     * @param content the message content
     */
    public LlmMessage(final String role, final String content) {
        this.role = role;
        this.content = content;
    }

    /**
     * Creates a system message with the specified content.
     *
     * @param content the message content
     * @return a new system message
     */
    public static LlmMessage system(final String content) {

constraints.Range.message = {item} deve estar entre {min} e {max}.
constraints.SafeHtml.message = {item} contém conteúdo HTML perigoso.
constraints.ScriptAssert.message = A expressão de script "{script}" não é verdadeira.
constraints.URL.message = {item} não é uma URL válida.
constraints.Required.message = {item} é obrigatório.
constraints.TypeInteger.message = {item} deve ser um número.
constraints.TypeLong.message = {item} deve ser um número.