||This component adds or removes an attribute from a component.
||DoNothing is a test routine for SmartFlow systems.
||This component waits for events, counts them, and when a certain number have
arrived, terminates Attributes are documented in eventCounter.sf.
||An extension of Prim providing the Primitive SmartFrog Component with the
required event handling.
||A component used to send an event as part of a sequence of activities.
||This component waits for a event to arrive, deploys the appropriate event
handler and when this terminates, also terminate.
||This component sends an sfTerminate to the component referenced by its