rem: this._manager._idMap[descendant.renderId] = descendant; 
add: this._manager._removedIdMap[descendant.renderId] = descendant; 
context:     _removeDescendant: function(descendant) {        this._manager._idMap[descendant.renderId] = descendant;        if (!this._removedDescendantIds) {            this._removedDescendantIds = [];        }        this._removedDescendantIds.push(descendant.renderId);        for (var i = 0; i < descendant.children.length; ++i) {            this._removeDescendant(descendant.children[i]);        }    },
meta: 600	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/600/47c26ad11743ae39f42cdee4c0778da3524426b1/Application.js/clean/src/webcontainer/java/nextapp/echo/webcontainer/resource/js/Application.js