pub fn default_rules() -> &'static DeterminatorRules {
        static DEFAULT_RULES: Lazy<DeterminatorRules> = Lazy::new(|| {
            DeterminatorRules::parse(DeterminatorRules::DEFAULT_RULES_TOML)
                .expect("default rules should parse")
        });

        &*DEFAULT_RULES
    }
Returns the default rules.

These rules are applied *after* any custom rules, so they can be overridden by custom rules.
tools/determinator/src/rules.rs