List<Dependency> dependencies,
            String prefix,
            String prefix2,
            ModelBuildingRequest request) {
        Severity errOn30 = getSeverity(request, ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_3_0);
        Severity errOn31 = getSeverity(request, ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_3_1);

        Map<String, Dependency> index = new HashMap<>();

        return new DefaultTransformerContextBuilder(this);
    }

    @Override
    public ModelBuildingResult build(ModelBuildingRequest request) throws ModelBuildingException {
        return build(request, new LinkedHashSet<>());
    }

    protected ModelBuildingResult build(ModelBuildingRequest request, Collection<String> importIds)
            throws ModelBuildingException {
        // phase 1