||Represents the objects at the perimeter of a graph being serialized, and
likewise represents the parameter names for parameterizing this same
subgraph when unserializing.
||Untamed: Used to specialize the SerializationStream so that, on checkpointing, a live
object may be replaced by a different object to be checkpointed as its
||Untamed: Used to specialize the
UnserializationStream for reviving from persistent state.
||Untamed: Enables one to make SturdyRefs for objects, even if one is in a distributed
||Untamed: A Retainer that also registers the payload in the SwissTable using the