e
        $('#nav-swap').hide();
      } else {
        chooseDefaultNav();
        if ($("#nav-tree").is(':visible')) {
          init_default_navtree("../../../");
        }
      }
      // scroll the selected page into view
      $(document).ready(function() {
        scrollIntoView("packages-nav");
        scrollIntoView("classes-nav");
        });
    </script>

     



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Summary:











  <a href="#p