def METHOD_NAME(r2_bucket_name: str, gs_bucket_name: str) -> None:
    """Creates a one-time transfer from Cloudflare R2 to Google Cloud Storage.
    Can be viewed from: https://console.cloud.google.com/transfer/cloud
    it will block until the transfer is complete.
    Args:
      r2_bucket_name: str; Name of the Cloudflare R2 Bucket
      gs_bucket_name: str; Name of the Google Cloud Storage Bucket
    """
    raise NotImplementedError('Moving data directly from R2 to clouds is '
                              'currently not supported. Please specify '
                              'a local source for the storage object.')