matchingRuleSet = new LinkedHashSet<AttributeValue>();
matchingRuleUseSet = new LinkedHashSet<AttributeValue>();
nameFormSet = new LinkedHashSet<AttributeValue>();
objectClassSet = new LinkedHashSet<AttributeValue>();
normalizationMatchingRule = new CaseIgnoreEqualityMatchingRule();
oldestModificationTime = System.currentTimeMillis();
youngestModificationTime = oldestModificationTime;
}