ncluding it in the tab sequence of the page.</li>
                  <li>All <code>treeitem</code> elements are focusable, but only one is included in the tab sequence.</li>
                </ul>
              </td>
            </tr>
            <tr data-test-id="treeitem-tabindex">
              <td></td>
              <th scope="row"><code>tabindex="0"</code></th>
              <td><code>li</code></td>
              <td>
                <ul>
                  <li>Includes the <code>treeitem</code> element 