scope javaTokWithBrackets_cached.

static Map<S, LS> #cache = synchronizedMRUCache(100);

static synchronized L<S> javaTokWithBrackets_cached(S s) {
  LS tok = cache.get(s);
  if (tok == null) cache.put(s, tok = javaTokWithBrackets(s));
  ret tok;
}

end scope