optionalFieldValueList.add( new FieldValueHolder( "renewtill", renewtill ) );
sRealm = "srealm";
optionalFieldValueList.add( new FieldValueHolder( "sRealm", sRealm ) );
pName = new PrincipalName( "pname", PrincipalNameType.KRB_NT_PRINCIPAL );
optionalFieldValueList.add( new FieldValueHolder( "pName", pName ) );
sName = new PrincipalName( "sname", PrincipalNameType.KRB_NT_PRINCIPAL );
optionalFieldValueList.add( new FieldValueHolder( "sName", sName ) );
clientAddresses = new HostAddresses( new HostAddress[]
{ new HostAddress( InetAddress.getByName( "localhost" ) ) } );
optionalFieldValueList.add( new FieldValueHolder( "clientAddresses", clientAddresses ) );