}
  return !stat.base.is_directory;
}

static bool BucketExists(GCSFile* gcs_file, const std::string& bucket,
                         TF_Status* status) {
  auto metadata =
      gcs_file->gcs_client.GetBucketMetadata(bucket, gcs::Fields(""));
  TF_SetStatusFromGCSStatus(metadata.status(), status);
  if (TF_GetCode(status) != TF_OK && TF_GetCode(status) != TF_NOT_FOUND)
    return false;
  if (TF_GetCode(status) == TF_NOT_FOUND) {