
    [ofs.backend]
    pairtree = ofs.local.pairtreestore:OFS
    s3 = ofs.remote.botostore:S3OFS
    google = ofs.remote.botostore:GSOFS
    archive.org = ofs.remote.botostore:ArchiveOrgOFS
    reststore = ofs.remote.reststore:RESTOFS
    