.html">Object</a></li>
          <li><a href="https://api.flutter.dev/flutter/foundation/DiagnosticableTree-class.html">DiagnosticableTree</a></li>
          <li><a href="https://api.flutter.dev/flutter/widgets/Widget-class.html">Widget</a></li>
          <li><a href="https://api.flutter.dev/flutter/widgets/StatelessWidget-class.html">StatelessWidget</a></li>
          <li>PhotoViewer</li>
        </ul></dd>





      </dl>
    </section>

    <section class="summary offset-anchor" id="constructors">
     