revents the user from interacting with the rest
of the app. Modal bottom sheets can be created and displayed with the
<a class="deprecated" href="../asuka/showModalBottomSheet.html">showModalBottomSheet</a> function.</p>
</section>


    
<section class="summary source-code" id="source">
  <h2><span>Implementation</span></h2>
  <pre class="language-dart"><code class="language-dart">@Deprecated(&#39;Use `Asuka.showBottomSheet` instead&#39;)
material.PersistentBottomSheetController&lt;T&gt; showBottomSheet&lt