}

        if (!"extension".equals(dom.name())) {
            throw new IOException("Unexpected root element \"" + dom.name() + "\", expected \"extension\"");
        }

        extensionDescriptor.setExportedPackages(parseStrings(dom.child("exportedPackages")));

        extensionDescriptor.setExportedArtifacts(parseStrings(dom.child("exportedArtifacts")));

        return extensionDescriptor;
    }