Public Instance Methods : IuSstInvocationRequest

* handler
	"ACTION
		Answer the handler which is handling the receiver.  This method is 
		only valid for requests which have been received from a remote 
		space.  Otherwise nil will be returned.

	RETURN VALUE
		<IuSstInvocationHandler> | nil"
* infoAt: key
	"ACTION
		Return the value at @key in the receiver's info slots.  If no such
		value is found, return nil.

	PARAMETERS
		key : <IuSstComponentName>

	RETURN VALUE
		<Object> | nil"
* infoAt: key ifAbsentPut: absentHandler
	"ACTION
		Return the value at @key in the receiver's info slots.  If no such
		value is found, evaluate @absentHandler with no arguments
		and store the result at @key and return the result.

	PARAMETERS
		key : <IuSstComponentName>
		absentHandler : <Block>

	RETURN VALUE
		<Object>"
* infoAt: key put: value
	"ACTION
		Store @value in the @key info slot of the receiver.  If @value is 
		nil then @key, if it exists, is removed and will no longer be reserved.

	PARAMETERS
		key : <IuSstComponentName>
		value : <Object> | nil

	RETURN VALUE
		<Object>"
* infoIsReservedKey: key
	"ACTION
		Answer true if the info slot called @key has been reserved in the 
		receiver.

	PARAMETERS
		key : <IuSstComponentName>

	RETURN VALUE
		<Boolean>"
* infoReserveKey: key
	"ACTION
		Reserve the name @key in the receiver's info slot.  That is, make
		it such that the @key's value is not absent.

	PARAMETERS
		key : <IuSstComponentName>"
* isReply
	"ACTION
		Answer true if the receiver is a reply.

	RETURN VALUE
		<Boolean>"
* remoteHandler
	"ACTION
		Answer a remote handler which embodies the receiver's handler 
		and sender.  Note that this likely creates a new remote handler for 
		each call.  Answer nil if there is not enough information to build the 
		remote handler.  This method is only valid for requests which have 
		been received from a remote space.  Otherwise nil will be returned.

	RETURN VALUE
		<IuSstRemoteHandler> | nil"
* sender
	"ACTION
		Answer the endpoint from which the receiver was sent.   This method 
		is only valid for requests which have been received from a remote 
		space.  Otherwise nil will be returned.

	RETURN VALUE
		<IuSstEndpoint>"

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