presto-plugin-toolkit/src/main/java/io/prestosql/plugin/base/authentication/KerberosAuthentication.java/KerberosAuthentication/createKerberosPrincipal
class KerberosAuthentication:    private static KerberosPrincipal createKerberosPrincipal(String principal)
    {
        try {
            return new KerberosPrincipal(getServerPrincipal(principal, InetAddress.getLocalHost().getCanonicalHostName()));
        }
        catch (IOException e) {
            throw new UncheckedIOException(e);
        }
    }