  <p>
                  <button class="button--primary" onclick="detachTree()">Detach tree</button>
                </p>

                <p>
                  <button class="button--primary" onclick="removeTreeReference()">Remove tree reference</button>
                </p>

                <p>
                  <button class="button--primary" onclick="removeLeafReference()">Remove leaf reference</button>
                </p>
              </p>
            </details>
          </td>
        </tr>
        <