rem: return IniObjectSerializer.encode(this._closedWindows); 
add: return this._closedWindows; 
context:   get closedWindowData() {    return IniObjectSerializer.encode(this._closedWindows);  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/93f83a818e456b97e19eb13f096e8e4bd378ad9c/nsSessionStore.js/clean/browser/components/sessionstore/src/nsSessionStore.js