toc-item toc-link ">
          <a id="ember140588" class="ember-view" data-test-toc-link="Classes and Instances" href="/v2.14.0/object-model/classes-and-instances">
            <span class="link-text">
              Classes and Instances
            </span>
          </a>
        </li>
              <li class="toc-item toc-link ">
          <a id="ember140589" class="ember-view" data-test-toc-link="Reopening Classes and Instances" href="/v2.14.0/object-model/reopening-classes-and-instances">
            <sp