* @param content the content to set
     * @return the updated or created element
     *
     */
    public static Element updateOrCreateChildElement(Element parent, String childName, String content) {
        PomEditor editor = new PomEditor(parent.document());
        return editor.updateOrCreateChildElement(parent, childName, content);
    }

            </project>
            """;

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

        // Test updating existing element
        Element updatedName = DomUtils.updateOrCreateChildElement(root, "name", "New Name");
        assertNotNull(updatedName, "Should return updated element");

        String xmlOutput = DomUtils.toXml(doc);