in style/js/catalog/bloodhound.js [257:264]
set: function(key, val, ttl) {
if (_.isNumber(ttl)) {
ls.setItem(this._ttlKey(key), encode(now() + ttl));
} else {
ls.removeItem(this._ttlKey(key));
}
return ls.setItem(this._prefix(key), encode(val));
},