rem: contains: function(key){ var entry = findEntry(key); return !(entry === null || entry instanceof NullKey); }, 
add: this.contains = function(key){ var entry = findEntry(key); return !(entry == null || entry instanceof NullKey); } 
context: 	contains: function(key){		var entry = findEntry(key);		return !(entry === null || entry instanceof NullKey);	},
meta: 2141	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2141/2d8887277df2088888a14194a6faee930f8157ca/log4js.js/clean/src/js/log4js.js