rem: this.caches = false; 
add: self.caches = false; 
context:   unloadCache: function() {    if (!this.caches){    	 return;    }        for (var i = 0; i < this.caches.length; i++) {      this.stopObserving.apply(this, this.caches[i]);      this.caches[i][0] = null;    }    this.caches = false;  },
meta: 2738	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2738/bc89c8879646997113eb650d33e2ea83ac01151f/event.js/clean/teeda/teeda-extension/src/test/resources/src/event.js