-ember/handling-deprecations">
            <span class="link-text">
              Handling Deprecations
            </span>
          </a>
        </li>
              <li class="toc-item toc-link ">
          <a id="ember527031" class="ember-view" data-test-toc-link="Disabling Prototype Extensions" href="/v4.6.0/configuring-ember/disabling-prototype-extensions">
            <span class="link-text">
              Disabling Prototype Extensions
            </span>
          </a>
        </li>
              <l