let cb = bind2(object, function(event) { object._timer = null; callback(retval); }); 
function(elt) { return elt.guid == listB[j].guid })) 
  let cb = bind2(object, function(event) {    object._timer = null;    callback(retval);  });
5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5459/58df792f30cecd92ee2b6fcd93dbd7661eadb029/BookmarksSyncService.js/clean/services/sync/BookmarksSyncService.js