}

    @Override
    public void start(final RootGraphNode root) {
        rootAttributes = root.getMetadata().getAttributes();
        mayHaveVirtualPlatforms = root.getResolveOptimizations().mayHaveVirtualPlatforms();
    }

    @Override
    public void finish(final RootGraphNode root) {
        store.write(encoder -> {
            encoder.writeByte(ROOT);

    void declareVirtualPlatformInUse() {
        hasVirtualPlatforms = true;
    }

    public boolean mayHaveForcedPlatforms() {
        return hasForcedPlatforms;
    }


    public boolean mayHaveVirtualPlatforms() {
        return hasVirtualPlatforms;
    }