return this;
    }

    public void generate(DefaultVersionCatalog model) {
        writeHeader();
        writeMetadata();
        writeVersions(model);
        writeLibraries(model);
        writeBundles(model);
        writePlugins(model);
    }

    private void writeVersions(DefaultVersionCatalog model) {
        List<String> versions = model.getVersionAliases();
        if (versions.isEmpty()) {

                    .map(config::getDependencyData)
                    .map(LibrariesSourceGenerator::coordinatesDescriptorFor)
                    .collect(toList());
                writeBundle(path, coordinates, bundle.getContext(), true, deprecated);
            }
            for (String alias : aliases) {
                String childName = leafNodeForAlias(alias);