Creates a linear inheritance chain of S4 classes: the outermost extension
extends the next, which extends the next, down to the base MizerParams /
MizerSim class. Existing classes are checked for compatibility instead of
being redefined.
defineExtensionClasses(extensions)Invisibly, the named character vector of dispatch extensions.
Named character vector of extensions (full chain or dispatch subset). Non-dispatch entries are silently ignored.