}

        /**
         * Sets the namespace URI of the XML node.
         *
         * @param namespaceUri the namespace URI of the XML node
         * @return this builder instance
         */
        public Builder namespaceUri(String namespaceUri) {
            this.namespaceUri = namespaceUri;
            return this;
        }

        /**
         * Sets the namespace prefix of the XML node.

        // Fallback to namespace URI detection
        String namespaceUri = root.namespaceDeclaration(null);
        if (MAVEN_4_2_0_NAMESPACE.equals(namespaceUri)) {
            return MODEL_VERSION_4_2_0;
        } else if (MAVEN_4_1_0_NAMESPACE.equals(namespaceUri)) {
            return MODEL_VERSION_4_1_0;
        } else if (MAVEN_4_0_0_NAMESPACE.equals(namespaceUri)) {
            return MODEL_VERSION_4_0_0;
        }

        public boolean isSameNode(Node other) {
            return false;
        }

        @Override
        public String lookupPrefix(String namespaceURI) {
            return null;
        }

        @Override
        public boolean isDefaultNamespace(String namespaceURI) {
            return false;
        }

        @Override
        public String lookupNamespaceURI(String prefix) {
            return null;

            synchronized (this) {
                if (pluginDescriptorV4 == null) {
                    pluginDescriptorV4 = org.apache.maven.api.plugin.descriptor.PluginDescriptor.newBuilder()
                            .namespaceUri(null)
                            .modelEncoding(null)
                            .name(name)
                            .description(description)
                            .groupId(groupId)

t=ae(e);t&&t.tagName||(t={namespaceURI:rt,tagName:"template"});const n=h(e.tagName),o=h(t.tagName);return!!at[e.namespaceURI]&&(e.namespaceURI===nt?t.namespaceURI===ot?"svg"===n:t.namespaceURI===tt?"svg"===n&&("annotation-xml"===o||ct[o]):Boolean(yt[n]):e.namespaceURI===tt?t.namespaceURI===ot?"math"===n:t.namespaceURI===nt?"math"===n&&st[o]:Boolean(Et[n]):e.namespaceURI===ot?!(t.namespaceURI===nt&&!st[o])&&!(t.namespaceURI===tt&&!ct[o])&&!Et[n]&&(ut[n]||!yt[n]):!("application/xhtml+xml"!==mt||!at[e.namespaceURI]))...

            assertEquals(expectedNamespaceUri, root.namespaceURI());

            // Verify child elements namespace updated recursively
            Element dependencies = DomUtils.findChildElement(root, "dependencies");
            assertNotNull(dependencies);
            assertEquals(expectedNamespaceUri, dependencies.namespaceURI());

        assertEquals("http://maven.apache.org/POM/4.0.0", node.namespaceUri());
        assertEquals("m", node.prefix());
        assertEquals("configuration", node.name());
        assertEquals(1, node.children().size());
        XmlNode myConfig = node.children().get(0);
        assertEquals("http://fabric8.io/fabric8-maven-plugin", myConfig.namespaceUri());
        assertEquals("", myConfig.prefix());

            Document document = Document.of(pomXml);
            Element root = document.root();

            assertEquals(namespace, root.namespaceURI(), "POM should preserve the specified namespace");
        }

        @Test
        @DisplayName("should handle custom modelVersion values")
        void shouldHandleCustomModelVersionValues() {