public void setArchiveUri(CloudAccount account, Optional<String> archiveUri) {
        if (!account.isExclave(zone) || account.isUnspecified())
            throw new IllegalArgumentException("Cannot set archive URI for non-enclave account: " + account);
        setArchiveUri(au -> au.with(account, archiveUri));
    }
Set (or remove, if archiveURI is empty) archive URI to use for given account
node-repository/src/main/java/com/yahoo/vespa/hosted/provision/archive/ArchiveUriManager.java