Overridden by subclasses to substitute another object for itself during archiving.
- macOS 10.0–10.13Deprecated
The archiver creating an archive.
The object to substitute for the receiver during archiving.
Overridden by subclasses to substitute another object in place of the object that was decoded and subsequently received this message.
The class to substitute for the receiver's own class during archiving.
Overridden by subclasses to substitute a class other than its own during coding.
Class to substitute for the receiver in distribution encoding.
Returns the version number assigned to the class.