add: if (!this._outputStream) return; 
context:   registryKeyCreated: function(keyPath) {    this._writeLine(PREFIX_CREATE_REGISTRY_KEY + keyPath + " []");  },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/77a545c6d7a63f393074d49d0850f3fedb0bc5fa/nsPostUpdateWin.js/clean/toolkit/mozapps/update/src/nsPostUpdateWin.js