static AutoCloseable tempVerboseLock(S desc default str(lock), Lock lock) {
  if (lock == null) null;
  print("Locking " + desc + " in " + currentThread());
  lock(lock);
  print("Locked " + desc + " in " + currentThread());
  ret () -> {
    print("Unlocking " + desc + " in " + currentThread());
    unlock(lock);
  };
}