Alle implementierten Schnittstellen:
IStatePlaceholder, IALPSSBDComponent, IALPSModelElement, ICapsuleCallback, IGraphCallback, IParseablePASSProcessModelElement, IImplementingElement, IImplementingElementT<IState>, IPASSProcessModelElement, IState, IMacroState, IStateReference, IBehaviorDescribingComponent, IContainableElement<ISubjectBehavior>, IHasSimple2DVisualizationBox, IValueChangedObserver<IPASSProcessModelElement>, IValueChangedPublisher<IPASSProcessModelElement>

public class StatePlaceholder extends State implements IStatePlaceholder