}
        return source;
    }

    private String getModelId() {
        return ModelProblemUtils.toId(sourceModel);
    }

    public void setRootModel(Model rootModel) {
        this.rootModel = rootModel;
    }

    public Model getRootModel() {
        return rootModel;
    }

    public String getRootModelId() {

            final DefaultModelBuildingResult result,
            DefaultModelProblemCollector problems)
            throws ModelBuildingException {
        Model inputModel = request.getFileModel();
        problems.setRootModel(inputModel);

        // profile activation
        DefaultProfileActivationContext profileActivationContext = getProfileActivationContext(request);

        problems.setSource("(external profiles)");