} else {
          return TF_SetStatus(status, TF_INVALID_ARGUMENT, "Not a directory!");
        }
      };
  GcsFileStat stat;
  MaybeAppendSlash(&dir);
  gcs_file->stat_cache->LookupOrCompute(dir, &stat, compute_func, status);
  if (TF_GetCode(status) != TF_OK && TF_GetCode(status) != TF_INVALID_ARGUMENT)
    return false;
  if (TF_GetCode(status) == TF_INVALID_ARGUMENT) {
    TF_SetStatus(status, TF_OK, "");
    return false;