}

    private Model readModel(String version, String v) {
        String resource = "/org/apache/maven/model/pom-" + v + ".xml";
        URL url = getClass().getResource(resource);
        if (url == null) {
            throw new IllegalStateException("The super POM " + resource + " was not found"
                    + ", please verify the integrity of your Maven installation");
        }

        try {
            return provider.getSuperModel(version).getDelegate();
        } catch (IllegalStateException e) {
            throw new SuperPomProviderException("Could not retrieve super pom " + version, e);
        }
    }