if (blackboard.didRehydrate()) {  }
  public void setupSubscriptions() {     super.setupSubscriptions();     //Access to the SelectionKnob     knobSubscription = (IncrementalSubscription) getBlackboardService().subscribe(ActionSelectionKnob.pred);     //Listen for new CostBenefitEvaluations     costBenefitSubscription = (IncrementalSubscription ) getBlackboardService().subscribe(CostBenefitEvaluation.pred);     //Listen for Failed Actions     actionPatienceSubscription = ( IncrementalSubscription ) getBlackboardService().subscribe(ActionPatience.pred);     actionsWrapperSubscription = ( IncrementalSubscription ) getBlackboardService().subscribe( new UnaryPredicate() {        public boolean execute(Object o) {            if ( o instanceof ActionsWrapper) {                return true ;            }            return false ;        }     }) ;     //Unsure of use...     if (blackboard.didRehydrate()) { //reset to null so it gets established again after rehydration -- IS THIS RIGHT??         //this.testServlet = null;     }       }