class DefaultSuperPomProvider implements SuperPomProvider {

    private final ModelProcessor modelProcessor;

    /**
     * The cached super POM, lazily created.
     */
    private static final Map<String, Model> SUPER_MODELS = new ConcurrentHashMap<>();

    @Inject
    public DefaultSuperPomProvider(ModelProcessor modelProcessor) {
        this.modelProcessor = modelProcessor;
    }

    @Override
    public Model getSuperModel(String version) {<FILL_FUNCTION_BODY>}
}

        return SUPER_MODELS.computeIfAbsent(Objects.requireNonNull(version), v -> {
            String resource = "/org/apache/maven/model/pom-" + v + ".xml";

            InputStream is = getClass().getResourceAsStream(resource);

            if (is == null) {
                throw new IllegalStateException("The super POM " + resource + " was not found"
                        + ", please verify the integrity of your Maven installation");
            }

            try {
                Map<String, Object> options = new HashMap<>(2);
                options.put("xml:" + version, "xml:" + version);

                String modelId = "org.apache.maven:maven-model-builder:" + version + "-"
                        + this.getClass().getPackage().getImplementationVersion() + ":super-pom";
                InputSource inputSource = new InputSource(
                        modelId, getClass().getResource(resource).toExternalForm());
                options.put(ModelProcessor.INPUT_SOURCE, new org.apache.maven.model.InputSource(inputSource));

                return modelProcessor.read(is, options);
            } catch (IOException e) {
                throw new IllegalStateException(
                        "The super POM " + resource + " is damaged"
                                + ", please verify the integrity of your Maven installation",
                        e);
            }
        });
    
<no_super_class>