+ private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(Rfc6020Mapping
+ .REFINE)
+ .add(Rfc6020Mapping.DEFAULT, 0, 1)
+ .add(Rfc6020Mapping.DESCRIPTION, 0, 1)
+ .add(Rfc6020Mapping.REFERENCE, 0, 1)
+ .add(Rfc6020Mapping.CONFIG, 0, 1)
+ .add(Rfc6020Mapping.MANDATORY, 0, 1)
+ .add(Rfc6020Mapping.PRESENCE, 0, 1)
+ .add(Rfc6020Mapping.MUST, 0, MAX)
+ .add(Rfc6020Mapping.MIN_ELEMENTS, 0, 1)
+ .add(Rfc6020Mapping.MAX_ELEMENTS, 0, 1)
+ .build();