Editor editor = new Editor(document);
            Element root = editor.root();
            String version = root.path("build", "plugins", "plugin", "version")
                    .map(Element::textContentTrimmed)
                    .orElse(null);

            // The exact version depends on the plugin upgrades configuration
            assertNotNull(version, "Plugin should have a version");
        }

            Element root = document.root();
            Element modelVersionElement = root.child("modelVersion").orElse(null);
            assertEquals(targetVersion, modelVersionElement.textContentTrimmed());
        }

        @ParameterizedTest(name = "to target version {0}")
        @ValueSource(strings = {"4.1.0", "4.2.0"})
        @DisplayName("should add model version when missing")

        // Process each module
        List<Element> moduleElements = modulesElement.children(MODULE).toList();
        for (Element moduleElement : moduleElements) {
            String moduleName = moduleElement.textContentTrimmed();
            if (moduleName.isEmpty()) {
                continue;
            }

            Path moduleDirectory = baseDirectory.resolve(moduleName);

 * String version = parent.child("version")
 *     .map(Element::textContent)
 *     .orElse(null);
 *
 * // Get trimmed text content
 * String trimmedVersion = parent.child("version")
 *     .map(Element::textContentTrimmed)
 *     .orElse(null);
 *
 * // Set text content (fluent API)
 * element.textContent("4.0.0");
 * }</pre>
 *
 * <h2>When to Use DomUtils</h2>
 * <p>Use DomUtils methods when you need:
 * <ul>

        // First try to get from modelVersion element
        Element modelVersionElement = root.child(MODEL_VERSION).orElse(null);
        if (modelVersionElement != null) {
            String modelVersion = modelVersionElement.textContentTrimmed();
            if (!modelVersion.isEmpty()) {
                return modelVersion;
            }
        }

        // Fallback to namespace URI detection

        String currentVersion;
        boolean isProperty = false;
        String propertyName = null;

        if (versionElement != null) {
            currentVersion = versionElement.textContentTrimmed();
            // Check if version is a property reference
            if (currentVersion.startsWith("${") && currentVersion.endsWith("}")) {
                isProperty = true;

        if (parentDir == null) {
            return false;
        }

        // Get declared subprojects
        Set<String> declaredSubprojects = subprojectElements.stream()
                .map(Element::textContentTrimmed)
                .filter(name -> !name.isEmpty())
                .collect(Collectors.toSet());

        // Get list of actual direct child directories with pom.xml

                assertNotNull(modelVersionElement, "Model version should exist: " + description);
                assertEquals(
                        expectedModelVersion,
                        modelVersionElement.textContentTrimmed(),
                        "Model version should be correct: " + description);
            }
        }

        private static Stream<Arguments> provideUpgradeScenarios() {
            return Stream.of(