return "composite group, entry point: " + isReachableFromEntryPoint() + ", ordinal: " + ordinalGroup + ", groups: " + finalizerGroups;
    }

    @Nullable
    @Override
    public OrdinalGroup asOrdinal() {
        return ordinalGroup.asOrdinal();
    }

    @Override
    public NodeGroup withOrdinalGroup(OrdinalGroup newOrdinal) {
        return new CompositeNodeGroup(reachableFromEntryPoint, newOrdinal, finalizerGroups);
    }