@Override
public void addInstanceRules(RuleStore rs) {
super.addInstanceRules(rs);
rs.addRule(new ElementSelector("configuration"), new ConfigurationAction());
rs.addRule(new ElementSelector("configuration/appender-ref"), new AppenderRefAction());
rs.addRule(new ElementSelector("configuration/appender/sift"), new SiftAction());
rs.addRule(new ElementSelector("configuration/appender/sift/*"), new NOPAction());