add: this._contents = []; 
context: function ArrayEnumerator(aItems) {  this._index = 0;  if (aItems) {    for (var i = 0; i < aItems.length; ++i) {      if (!aItems[i])        aItems.splice(i, 1);          }  }  this._contents = aItems;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/c1c7015cc54fba70d74a14cb631b38f35c780ec0/nsMicrosummaryService.js/buggy/browser/components/microsummaries/src/nsMicrosummaryService.js