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  <div class="col-xs-6 col-sm-6 col-md-3 sidebar sidebar-offcanvas-right">
    <h5>HistoryBase</h5>
    <ol>
    
    
    
    
      <li class="section-title"><a href="polymer_app_layout/HistoryBase-class.html#constructors">Constructors</a></li>
      <li><a href="polymer_app_layout/HistoryBase/HistoryBase.html">HistoryBase</a></li>
    
    
      <li class="section-title"><a href="polymer_app_layout/HistoryBase-class.html#methods">Methods</a></li>
      <li><a href="polymer_app_layout/HistoryBase/