src/main/java/org/jboss/util/timeout/TimeoutPriorityQueueImpl.java
private TimeoutExtImpl cleanupTimeoutExtImpl(TimeoutExtImpl timeout)
   {
      if (timeout != null)
         timeout.target = null;
      return null;
   }
private TimeoutExtImpl cleanupTimeoutExtImpl(TimeoutExtImpl timeout)
   {
      if (timeout != null)
         timeout.target = null;
      return null;
   }
Recursive cleanup of a TimeoutImpl

@return null