e>treeitem</code> elements that are parent nodes, i.e., they contain a <code>ul</code> with the <code>group</code> role.</li>
                  <li>Indicates the parent node is closed, i.e., the descendant elements are <strong>not</strong> visible.</li>
                  <li>The visual indication of the collapsed state is synchronized by a CSS attribute selector.</li>
                </ul>
              </td>
            </tr>
            <tr data-test-id="treeitem-aria-expanded">
              <td></td>
  