BOOT:
INSTALL_SIMPLE_READER(Class, roles);
INSTALL_SIMPLE_PREDICATE_WITH_KEY(Class, is_anon_class, anon_serial_id);
+ INSTALL_SIMPLE_READER(Class, is_immutable);
INSTALL_CLASS_HOLDER(Class, method_metaclass, "Mouse::Meta::Method");
INSTALL_CLASS_HOLDER(Class, attribute_metaclass, "Mouse::Meta::Attribute");