Alle implementierten Schnittstellen:
ISubjectExtension, IALPSSIDComponent, IALPSModelElement, ICapsuleCallback, IGraphCallback, IParseablePASSProcessModelElement, IAbstractElement, IExtendingElement<ISubject>, IImplementingElement, IImplementingElementT<ISubject>, IPASSProcessModelElement, IInteractionDescribingComponent, ISubject, IContainableElement<IModelLayer>, IHasSimple2DVisualizationBox, IValueChangedObserver<IPASSProcessModelElement>, IValueChangedPublisher<IPASSProcessModelElement>
Bekannte direkte Unterklassen:
GuardExtension, MacroExtension

public class SubjectExtension extends Subject implements ISubjectExtension
From abstract pass ont: An actor extension is a standard or abstract subject that can/should only exist on layers that extend other layers. The idea of this subject is, that it extends another subject on an underlying layer