Public Instance Methods : IuSstStartable

* clear
	"ACTION
		Ensure that the receiver is shutDown and then clear out its
		instance variables such that no dangling pointers to complex 
		objects remain.  #startUp cannot be sent to the receiver once 
		it has been cleared.

	NOTES
		Objects should be successfully cleared regardless of their 
		current state.  A consequence of this is that an object can be 
		cleared more than once with no ill-effects."
* shutDown
	"ACTION
		Stop the receiver.  In general this means stopping related 
		processes, releasing allocated resources and removing some 
		interobject links.  An object which has been #shutDown can 
		typically be restarted using #startUp though it may not restart 
		with exactly the same behaviour as before it was #shutDown.

	NOTES
		#startUp and #shutDown are matched pairs and should be 
		executed in an interleaved fashion."
* startUp
	"ACTION
		Start the receiver.  In general this means starting related
		processes, allocating resources and building interobject 
		links.  Once #startUp has completed the receiver is ready 
		to fulfill its prescribed role.  If an error occurs during startUp, 
		return the error.  Otherwise return self.

	RETURN VALUE
		self | <IuSstError>

	NOTES
		#startUp and #shutDown are matched pairs and should be 
		executed in an interleaved fashion."

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