docs: function aboutSessionRestore_getWindows() {
      var windows = [ ];
      var tree = this.tabList.getNode();
  
      for (var ii = 0; ii < tree.view.rowCount; ii++) {
        if (tree.view.isContainer(ii)) {
          windows.push({
                        index: windows.length,
                        listIndex : ii,
                        open: tree.view.isContainerOpen(ii),
                        restore: tree.view.getCellValue(ii, tree.columns.getColumnAt(0)),
                        title: tree.view.getCellText(ii, tree.columns.getColumnAt(2))
                       });
        }
      }
  
      return windows;
    }