presto-jdbc/src/main/java/io/prestosql/jdbc/ConnectionProperties.java/ConnectionProperties/KerberosServicePrincipalPattern
class ConnectionProperties:        public KerberosServicePrincipalPattern()
        {
            super("KerberosServicePrincipalPattern", Optional.of("${SERVICE}@${HOST}"), isKerberosEnabled(), ALLOWED, STRING_CONVERTER);
        }