       <dt>Available Extensions</dt>
        <dd><ul class="comma-separated clazz-relationships">
          <li><a href="https://pub.dev/documentation/get/4.6.6/get/WidgetMarginX.html">WidgetMarginX</a></li>
          <li><a href="https://pub.dev/documentation/get/4.6.6/get/WidgetPaddingX.html">WidgetPaddingX</a></li>
          <li><a href="https://pub.dev/documentation/get/4.6.6/get/WidgetSliverBoxX.html">WidgetSliverBoxX</a></li>
        </ul></dd>

        


      </dl>
    </section>

    
  <section c