Subclasses to substitute a new class for instances during keyed archiving.
Mac Catalyst 13.0+Beta
The object will be encoded as if it were a member of the class. This property is overridden by the encoder class and instance name to class encoding tables. If this property is nil, the result of this property is ignored.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.