*
     * @return the list of sources
     */
    public List<ChatSource> getSources() {
        return sources;
    }

    /**
     * Sets the list of sources referenced in the message.
     *
     * @param sources the list of sources
     */
    public void setSources(final List<ChatSource> sources) {
        this.sources = sources;
    }

    /**

            }

            writeJsonResponse(response, HttpServletResponse.SC_OK,
                    createSuccessResponse(result.getSessionId(), result.getMessage().getContent(), result.getMessage().getSources()));

        } catch (final Exception e) {
            logger.warn("[RAG] Failed to process chat request. message={}", e.getMessage(), e);

        Parent parent = model.getParent();
        if (parent != null) {
            model = model.withParent(parent.withRelativePath(null));
        }
        var projectSources = project.getBuild().getDelegate().getSources();
        if (SourceQueries.usesModuleSourceHierarchy(projectSources)) {
            // Dependencies are dispatched by maven-jar-plugin in the POM generated for each module.

        message.addSource(source);

        assertEquals(1, message.getSources().size());
        assertEquals("Test Document", message.getSources().get(0).getTitle());
    }

    @Test
    public void test_addSourceWithNullSources() {
        final ChatMessage message = new ChatMessage();
        message.setSources(null);

        final ChatSource source = new ChatSource();

     * @return a string listing referenced document titles
     */
    protected String buildSourceTitlesContent(final ChatMessage msg, final int summaryMaxChars) {
        final List<ChatSource> sources = msg.getSources();
        if (sources == null || sources.isEmpty()) {
            return buildTruncatedContent(msg, summaryMaxChars);
        }
        final int maxSuffixLen = Math.max(0, summaryMaxChars / 4);

        // Manually set content to null via assistantMessage then add sources
        final ChatMessage nullMsg = ChatMessage.assistantMessage(null);
        for (int i = 0; i < msg.getSources().size(); i++) {
            nullMsg.addSource(msg.getSources().get(i));
        }
        final String result = chatClient.testBuildAssistantHistoryContent(nullMsg, "source_titles", 500, 500);
        // null content with sources => returns suffix only

    @Override
    public String getLocation() {
        StringBuilder buffer = new StringBuilder(256);

        if (!getSource().isEmpty()) {
            if (!buffer.isEmpty()) {
                buffer.append(", ");
            }
            buffer.append(getSource());
        }

        if (getLineNumber() > 0) {
            if (!buffer.isEmpty()) {
                buffer.append(", ");
            }

    @Override
    public String getLocation() {
        StringBuilder buffer = new StringBuilder(256);

        if (!getSource().isEmpty()) {
            if (!buffer.isEmpty()) {
                buffer.append(", ");
            }
            buffer.append(getSource());
        }

        if (getLineNumber() > 0) {
            if (!buffer.isEmpty()) {
                buffer.append(", ");
            }

            if (request.getPath().isPresent()) {
                Path path = request.getPath().get();
                res = builder.build(path.toFile(), req);
            } else if (request.getSource().isPresent()) {
                Source source = request.getSource().get();
                ModelSource2 modelSource = new SourceWrapper(source);
                res = builder.build(modelSource, req);
            } else {

                            md.getClassifier(),
                            edge.getArtifactUri(),
                            edge.getSource() == null
                                    ? ""
                                    : edge.getSource().getMd().toString(),
                            edge.isResolved(),
                            edge.getTarget() == null
                                    ? null