  <li><a href="../dart-html/TimeoutHandler.html">TimeoutHandler</a></li>
      <li><a href="../dart-html/VoidCallback.html">VoidCallback</a></li>
    
    </ol>
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  <div id="dartdoc-main-content" class="col-xs-12 col-sm-9 col-md-8 main-content">
      <div><h1><span class="kind-typedef">CustomElementConstructor</span> typedef </h1></div>

    <section class="multi-line-signature">
        <div>
          <ol class="annotation-list">
            <li>@deprecated</li>
   