validateStringNotEmpty("modelVersion", problems, Severity.ERROR, Version.V20, m.getModelVersion(), m);

        validateModelVersion(problems, m.getModelVersion(), m, VALID_MODEL_VERSIONS);

        String minVersion = new MavenModelVersion().getModelVersion(m);
        if (m.getModelVersion() != null && compareModelVersions(minVersion, m.getModelVersion()) > 0) {
            addViolation(
                    problems,

        problems.setRootModel(inputModel);

        ModelData resultData = new ModelData(request.getSource(), inputModel);
        String superModelVersion = inputModel.getModelVersion() != null ? inputModel.getModelVersion() : "4.0.0";
        if (!VALID_MODEL_VERSIONS.contains(superModelVersion)) {
            // Maven 3.x is always using 4.0.0 version to load the supermodel, so

    public void setModelVersion(String pomVersion) {
        getModel().setModelVersion(pomVersion);
    }

    public String getModelVersion() {
        return getModel().getModelVersion();
    }

    public String getId() {
        return getModel().getId();
    }

    public void setGroupId(String groupId) {
        getModel().setGroupId(groupId);
    }