static SUBTYPE_REGEXES: OnceLock<Mutex<HashMap<Arc<str>, Regex>>> = OnceLock::new();

        static SUBTYPE_REGEXES: OnceLock<Mutex<HashMap<Box<str>, Regex>>> = OnceLock::new();

            .entry(Arc::from(quasimember.as_ref().to_lowercase()))

            .entry(Box::from(quasimember.as_ref().to_lowercase()))