code: function aboutSessionRestore_getRestoreState(element) {
      var tree = this.tabList.getNode();
  
      return tree.view.getCellValue(element.listIndex, tree.columns.getColumnAt(0));
    }
docs: Returns the current restore state of the given element
  
  @param {object} element
  Element which restore state should be retrieved
  @returns True if the element should be restored
  @type {boolean}