dle, but that type isn't
available here. This is called by ChildViewConnection in
//topaz/public/dart/fuchsia_scenic_flutter/.</p>
<p>The SceneHost takes ownership of the provided ViewHolder token.</p>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="language-dart"><code class="language-dart">SceneHost(
  dynamic viewHolderToken,
  void Function() viewConnectedCallback,
  void Function() viewDisconnectedCallback,
  void Fu