"../../"
      data-using-base-href="false">

<div id="overlay-under-drawer"></div>

<header id="title">
  <button id="sidenav-left-toggle" type="button">&nbsp;</button>
  <ol class="breadcrumbs gt-separated dark hidden-xs">
    <li><a href="../../index.html">flutter_boost</a></li>
    <li><a href="../../page_visibility/page_visibility-library.html">page_visibility</a></li>
    <li><a href="../../page_visibility/GlobalPageVisibilityObserver-class.html">GlobalPageVisibilityObserver</a></li>
    <li class="se