@Override
    public String toString() {
        return "TrustedCertificate{" +
               "fingerprint='" + fingerprint + '\'' +
               ", expiry=" + expiry +
               '}';
    }
Contains the fingerprint and expiry of certificates in a hosts truststore.

@author mortent
node-repository/src/main/java/com/yahoo/vespa/hosted/provision/node/TrustStoreItem.java