lass="navButton" onclick="document.getElementById(&quot;playground-nav-submenu&quot;).classList.toggle(&quot;hidden&quot;);"><span class="navButtonContent"></span></span><a href="../playground/index.html"><span><span>playground</span></span></a>
  </div>
  <div class="sideMenuPart" id="playground-nav-submenu-0" pageid="playground::////PointingToDeclaration//-116616851">
   <div class="overview">
    <span class="navButton" onclick="document.getElementById(&quot;playground-nav-submenu-0&quot;).classList.togg