));
        }

        doOnBind(node);
    }

    protected void doOnBind(ModelNodeInternal node) {
        // Do nothing by default
    }

    public void onUnbind(ModelNodeInternal node) {
        if (node == boundTo) {
            boundTo = null;
        }
    }

        }
    }

    private static void unbind(RuleBinder rule, ModelNodeInternal node) {
        rule.getSubjectBinding().onUnbind(node);
        for (ModelBinding binding : rule.getInputBindings()) {
            binding.onUnbind(node);
        }
    }

    /**
     * Returns the set of rules with the given target as their subject.
     */