code: function buildSubNav(obj) {
      var longname = obj.longname;
      var members = find({
          kind: 'member',
          memberof: longname
      });
      var methods = find({
          kind: 'function',
          memberof: longname
      });
      var events = find({
          kind: 'event',
          memberof: longname
      });
      var typedef = find({
          kind: 'typedef',
          memberof: longname
      });
  
      var html = '<div class="hidden" id="' + obj.longname.replace(/"/g, '_') + '_sub">';
      html += buildSubNavMembers(members, 'Members');
      html += buildSubNavMembers(methods, 'Methods');
      html += buildSubNavMembers(events, 'Events');
      html += buildSubNavMembers(typedef, 'Typedef');
      html += '</div>';
  
      return html;
  }
docs: For lnb listing
  -- 'Classes'
  -- 'Namespaces'
  @param obj