		AddObserver (TObservers)
		CanObserve (TObservers)
		GetMultiCastObserver (TObservers)
		GetMultiCastObserverArray (TObservers)
		GetSingleCastObserver (TObservers)
		IsObserving (TObservers)
		RemoveObserver (TObservers)
		TryIsObserving (TObservers)