rem: this._manager._idMap[child.renderId] = child; 
add: this._manager._removedIdMap[child.renderId] = child; 
context:     _removeChild: function(child) {        this._manager._idMap[child.renderId] = child;            if (this._addedChildIds) {            // Remove child from add list if found.            Core.Arrays.remove(this._addedChildIds, child.renderId);        }                if (this._updatedLayoutDataChildIds) {            // Remove child from updated layout data list if found.            Core.Arrays.remove(this._updatedLayoutDataChildIds, child.renderId);        }            if (!this._removedChildIds) {            this._removedChildIds = [];        }                this._removedChildIds.push(child.renderId);            for (var i = 0; i < child.children.length; ++i) {            this._removeDescendant(child.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