@Override
    public String toString() {
        return "KerberosShortNamer(principalToLocalRules = " + principalToLocalRules + ")";
    }
Get the translation of the principal name into an operating system
user name.
@return the short name
@throws IOException
clients/src/main/java/org/apache/kafka/common/security/kerberos/KerberosShortNamer.java