rem: function() {return new XMLHttpRequest()} 
add: return this.inject([], function(array, value) { return array.include(value) ? array : array.concat([value]); }); 
context:       function() {return new XMLHttpRequest()}
meta: 2801	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2801/7e143d2df37946a5416f0f043869478087652eb6/prototype.js/clean/examples/testcases/prototype.js