public override void PostWalkSpontaneousTrigger(SpontaneousTriggerSyntax spontaneousTriggerSyntax) { 
			MethodsCalled["PostWalkSpontaneousTrigger"]=true;
		}
 public override void VisitSpontaneousTrigger(SpontaneousTriggerSyntax spontaneousTriggerSyntax) {
     var location = spontaneousTriggerSyntax.GetLocation();
     if(location != null) {
         var trigger = new SpontaneousTriggerSymbol(location, spontaneousTriggerSyntax);
         _triggers.Add(trigger);
     }            
 }
		// SpontaneousTriggerSyntax
		public override bool WalkSpontaneousTrigger(SpontaneousTriggerSyntax spontaneousTriggerSyntax) { 
			MethodsCalled["WalkSpontaneousTrigger"]=true;
			return true; 
		}