Class::MethodMaker (3p) - Create generic methods for OO Perl
Class::MethodMaker::Engine (3p) - The parameter passing, method installation & non-data-structure methods of Class::MethodMaker.
Class::MethodMaker::OptExt (3p) - Constants for C::MM's option extension mechanism
Class::MethodMaker::V1Compat (3p) - V1 compatibility code for C::MM