Overridden by subclasses to substitute a custom class for an NSXML class that the parser uses to create node instances.
- macOS 10.4+
Classobject identifying an NSXML class that is to be replaced by your custom class.
The substituted class.
For example, if you have a custom subclass of
NSXMLElement that you want to be used in place of
NSXMLElement, you would make the following override: