rem: if(item === undefined){ item = null; } 
context: 	_getItemByIdentity: function(/* Object */ identity){		//	summary:		//		Internal function to look an item up by its identity map.		var item = null;		if(this._itemsByIdentity){			item = this._itemsByIdentity[identity];			if(item === undefined){				item = null;			}		}else{			this._arrayOfAllItems[identity];		}		return item; // Object	},
meta: 4497	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4497/614aeec8572b5c0712b1a76c91e2a5ed51de0aa9/ItemFileReadStore.js/clean/data/ItemFileReadStore.js