ClosedUnrecorded

Allow adding hidden elements, but don't store them

Record elements, return whether this was allowed. By default, recording is allowed in regular but not in frozen states.

Run test pred unless ref was seen in an enclosing ifNotSeen operation

Does this state allow additions of elements to capture set variables?

Returns a string representation of the object.

The default representation is platform dependent.

Don't allow to unify result caps