 <span class="link-text">
              Handling Metadata
            </span>
          </a>
        </li>
              <li class="toc-item toc-link ">
          <a id="ember202213" class="ember-view" data-test-toc-link="Customizing Adapters" href="/v3.4.0/models/customizing-adapters">
            <span class="link-text">
              Customizing Adapters
            </span>
          </a>
        </li>
              <li class="toc-item toc-link ">
          <a id="ember202214" class="ember-view" data-tes