final LlmChatResponse response = new LlmChatResponse();
        response.setContent("Test content");
        assertEquals("Test content", response.getContent());

        response.setContent("Updated content");
        assertEquals("Updated content", response.getContent());
    }

    @Test
    public void test_setFinishReason() {
        final LlmChatResponse response = new LlmChatResponse();

        assertEquals("Hello", message.getContent());
        assertNotNull(message.getTimestamp());
        assertNotNull(message.getSources());
    }

    @Test
    public void test_userMessage() {
        final ChatMessage message = ChatMessage.userMessage("Hello, World!");
        assertEquals(ChatMessage.ROLE_USER, message.getRole());
        assertEquals("Hello, World!", message.getContent());
        assertTrue(message.isUser());

        assertNull(message.getRole());
        assertNull(message.getContent());
    }

    @Test
    public void test_constructorWithRoleAndContent() {
        final LlmMessage message = new LlmMessage("system", "You are a helpful assistant.");
        assertEquals("system", message.getRole());
        assertEquals("You are a helpful assistant.", message.getContent());
    }

    @Test
    public void test_systemFactory() {

        final LlmChatRequest result = request.addMessage(message);

        assertSame(request, result);
        assertEquals(1, request.getMessages().size());
        assertEquals("Test message", request.getMessages().get(0).getContent());
    }

    @Test
    public void test_addSystemMessage() {
        final LlmChatRequest request = new LlmChatRequest();

        final LlmChatRequest result = request.addSystemMessage("System prompt");

                .param("size", ComponentUtil.getFessConfig().getPageDictionaryMaxFetchSize())
                .execute()) {
            final Map<String, Object> contentMap = response.getContent(OpenSearchCurl.jsonParser());
            @SuppressWarnings("unchecked")
            final List<Map<String, Object>> fileList = (List<Map<String, Object>>) contentMap.get("file");

     */
    public LlmChatResponse(final String content) {
        this.content = content;
    }

    /**
     * Gets the response content.
     *
     * @return the content
     */
    public String getContent() {
        return content;
    }

    /**
     * Sets the response content.
     *
     * @param content the content
     */
    public void setContent(final String content) {

     */
    public void setRole(final String role) {
        this.role = role;
    }

    /**
     * Gets the message content.
     *
     * @return the content
     */
    public String getContent() {
        return content;
    }

    /**
     * Sets the message content.
     *
     * @param content the content
     */
    public void setContent(final String content) {

                } else {
                    pair.getSecond().add(new Pair<>(Pattern.compile(regex), entity.getContent()));
                }
            } else {
                pair.getFirst().put(toLowerCase(entity.getTerm()), entity.getContent());
            }
        });
        this.relatedContentMap = relatedContentMap;
        return relatedContentMap.size();
    }

    //                                                                            Accessor
    //                                                                            ========
    public String getContent() {
        checkSpecifiedProperty("content");
        return convertEmptyToNull(content);
    }

    public void setContent(String value) {
        registerModifiedProperty("content");