predicate.getState().previous(),
                        node.getState()
                    ));
                }
                maybeFire();
            }
        });
        this.inputBindings = inputBindings(inputReferences, action.getDescriptor(), new Action<ModelBinding>() {
            @Override
            public void execute(ModelBinding modelBinding) {
                ModelNodeInternal node = modelBinding.getNode();

    }

    public void notifyFired(RuleBinder binder) {
        assert binder.isBound() : "RuleBinder must be in a bound state";
        for (ModelBinding inputBinding : binder.getInputBindings()) {
            ModelNodeInternal node = inputBinding.getNode();
            if (dependencies == null) {
                dependencies = new HashSet<>();
            }
            dependencies.add(node);