abled class="form-control typeahead" placeholder="Loading search...">
      </form>
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    <ol class="breadcrumbs gt-separated dark hidden-l" id="sidebar-nav">
      <li><a href="index.html">primary_secondary_progress_bar</a></li>
      <li><a href="dart-io/dart-io-library.html">dart:io</a></li>
      <li><a href="dart-io/WebSocketTransformer-class.html">WebSocketTransformer</a></li>
      <li class="self-crumb">WebSocketTransformer factory constructor</li>
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    <h5>WebSocketTr