* Other threads will try to use stale values if possible.
* If, on miss, the time since expiration is low, the assumption
* is that the key is hot and that a stampede is worth avoiding.
- * - tempTTL : when 'lockTSE' is set, this determines the TTL of the temp
- * key used to cache values while a key is tombstoned.
- * This avoids excessive regeneration of hot keys on delete() but
- * may result in stale values.
+ * - tempTTL : TTL of the temp key used to cache values while a key is tombstoned.
+ * This avoids excessive regeneration of hot keys on delete() but may
+ * result in stale values.
* @return mixed Value to use for the key
*/
final public function getWithSetCallback(