* This includes namespace updates and module conversion using domtrip.
     * Returns the upgraded document.
     */
    private Document performModelUpgrade(
            Document pomDocument, UpgradeContext context, String currentVersion, String targetModelVersion) {
        // Create Editor from domtrip Document
        Editor editor = new Editor(pomDocument);

        // Update model version element

/**
 * The search form for Boost Document.
 */
public class SearchForm {

    /**
     * Default constructor for SearchForm.
     */
    public SearchForm() {
    }

    /**
     * The URL expression field for boost document configuration.
     */
    public String urlExpr;

    /**
     * The boost expression field for document scoring.
     */
    public String boostExpr;

        return new String(buf);
    }

    /**
     * Converts a {@link Document} to a string.
     *
     * @param document
     *            The document. Must not be {@literal null}.
     * @return The converted string.
     */
    public static String toString(final Document document) {
        assertArgumentNotNull("document", document);

        final StringBuilder buf = new StringBuilder(1000);

/**
 * Search request body for boost document administration.
 * Extends BaseSearchBody with boost document-specific search parameters.
 */
public class SearchBody extends BaseSearchBody {

    /** The URL expression pattern to search for in boost documents. */
    public String urlExpr;

    /** The boost expression to search for in boost documents. */
    public String boostExpr;

    /**

                        </dependencies>
                    </dependencyManagement>
                </project>
                """;

            Document document = Document.of(pomXml);
            Map<Path, Document> pomMap = Map.of(Paths.get("pom.xml"), document);

            UpgradeContext context = createMockContext();
            UpgradeResult result = strategy.doApply(context, pomMap);

    }

    /**
     * Indexes documents from an array of maps.
     * @param documents The documents to index.
     * @return The SuggestIndexResponse.
     */
    public SuggestIndexResponse indexFromDocument(final Map<String, Object>[] documents) {
        final long start = System.currentTimeMillis();
        try {
            final Stream<Map<String, Object>> stream = Stream.of(documents);
            if (parallel) {

            try {
                // Use domtrip for perfect formatting preservation
                String xmlContent = DomUtils.toXml(document);
                Files.writeString(pomPath, xmlContent);
                context.detail("Saved: " + pomPath);
            } catch (Exception e) {
                context.failure("Failed to save " + pomPath + ": " + e.getMessage());
            }
        }

    }

    @Test
    public void testKindEnum() {
        // Test Kind enum
        assertEquals("query", SuggestItem.Kind.QUERY.toString());
        assertEquals("document", SuggestItem.Kind.DOCUMENT.toString());
        assertEquals("user", SuggestItem.Kind.USER.toString());
    }

    @Test
    public void testGetUpdatedSource() {
        // Test getUpdatedSource method

                var itemId = document.getElementById("itemId")
                var token = document.getElementById("token")
                ws = new WebSocket("ws://localhost:8000/items/" + itemId.value + "/ws?token=" + token.value);
                ws.onmessage = function(event) {
                    var messages = document.getElementById('messages')
                    var message = document.createElement('li')

                var itemId = document.getElementById("itemId")
                var token = document.getElementById("token")
                ws = new WebSocket("ws://localhost:8000/items/" + itemId.value + "/ws?token=" + token.value);
                ws.onmessage = function(event) {
                    var messages = document.getElementById('messages')
                    var message = document.createElement('li')