n.setThreshold(0.8)
    }
    @Defaults void defaultsRule(Numbers n) {}
    @Mutate void mutateRule(Numbers n) {}
    @Finalize void finalizeRule(Numbers n) {}
    @Validate void validateRule(Numbers n) {}
}

class ClassHolder {
    static class InnerRules extends RuleSource {
         @Mutate void mutateRule(Numbers n) {}
    }
}

apply plugin: NumberRules
apply plugin: ClassHolder.InnerRules
"""