public void makeReferences(RuleBase rules) {
        for (Iterator<Condition> i = conditionIterator(); i.hasNext(); ) {
            Condition condition = i.next();
            condition.makeReferences(rules);
        }
    }
Returns an iterator of the immediate children of this condition
container-search/src/main/java/com/yahoo/prelude/semantics/rule/CompositeCondition.java