ModelBuilderResult result = this.result;
        if (result.getModelIds().isEmpty()) {
            DefaultModelBuilderResult tmp = new DefaultModelBuilderResult();
            tmp.setEffectiveModel(result.getEffectiveModel());
            tmp.setProblems(getProblems());
            tmp.setActiveExternalProfiles(result.getActiveExternalProfiles());
            String id = getRootModelId();

        return this;
    }

    @Override
    public Model getEffectiveModel() {
        return effectiveModel;
    }

    public DefaultModelBuilderResult setEffectiveModel(Model model) {
        this.effectiveModel = model;
        return this;
    }

    @Override
    public List<String> getModelIds() {
        return modelIds;
    }

        resultModel = interpolateModel(resultModel, request, problems);

        // url normalization
        resultModel = modelUrlNormalizer.normalize(resultModel, request);

        result.setEffectiveModel(resultModel);

        // Now the fully interpolated model is available: reconfigure the resolver
        if (!resultModel.getRepositories().isEmpty()) {