private void addConfigserver(Cursor cfgEntry, String hostname, WireguardKeyWithTimestamp keyWithTimestamp,
                                 List<String> ipAddresses) {
        cfgEntry.setString("hostname", hostname);
        NodesResponse.ipAddressesToSlime(ipAddresses, cfgEntry.setArray("ipAddresses"));
        toSlime(keyWithTimestamp, cfgEntry.setObject("wireguard"));
    }
A response containing the wireguard peer config for each configserver that has a public key.

@author gjoranv
node-repository/src/main/java/com/yahoo/vespa/hosted/provision/restapi/WireguardResponse.java