@Override public Void visit(BackwardLinkChainFromBackwardLinkRule rule, BackwardLink premise, ContextPremises premises, ClassInferenceProducer producer) { for (IndexedPropertyChain prop : rule .getForwardLinksByObjectProperty().keySet()) { for (IndexedContextRoot target : rule .getForwardLinksByObjectProperty().get(prop)) { target.accept(rootValidator_); } } return null; }