buffer.append(toId(model));
        Path pomPath = model.getPomFile();
        if (pomPath != null) {
            buffer.append(" (").append(pomPath).append(')');
        }
        return buffer.toString();
    }

    static String toPath(Model model) {
        String path = "";
        if (model != null) {
            Path pomPath = model.getPomFile();
            if (pomPath != null) {

                    return res.getProjectId();
                }

                @Nonnull
                @Override
                public Optional<Path> getPomFile() {
                    return Optional.ofNullable(res.getPomFile()).map(File::toPath);
                }

                @Nonnull
                @Override
                public Optional<Project> getProject() {

                    Model model = modelBuilder.buildRawModel(r.request);
                    res = new DefaultProjectBuildingResult(
                            model.getId(),
                            model.getPomFile() != null ? model.getPomFile().toFile() : null,
                            null);
                } catch (ModelBuilderException e) {
                    failure = true;
                    res = new DefaultProjectBuildingResult(

                Model model = findRawModel(from, gId, aId);
                if (model != null) {
                    context.modelByGA.put(new GAKey(gId, aId), new Holder(model));
                    context.modelByPath.put(model.getPomFile(), new Holder(model));
                }
                return model;
            }

            @Override
            public Model getRawModel(Path from, Path path) {

                Model model = modelPool.get(dependency.getGroupId(), dependency.getArtifactId(), newVersion);

                if (model != null) {
                    return new FileModelSource(model.getPomFile());
                }
            }

            return resolveModel(dependency.getGroupId(), dependency.getArtifactId(), newVersion);
        } catch (VersionRangeResolutionException e) {

        boolean modified = false;
        for (Dependency dep : model.getDependencies()) {
            if (dep.getVersion() == null) {
                Model depModel = context.getRawModel(model.getPomFile(), dep.getGroupId(), dep.getArtifactId());
                if (depModel != null) {
                    String v = depModel.getVersion();
                    if (v == null && depModel.getParent() != null) {

                                + " on class: ",
                        e);
            }
        }
        interpolatedModel = interpolatedModel.withPomFile(model.getPomFile());
        return interpolatedModel;
    }

    private ModelData readParent(
            Model childModel,
            ModelSource childSource,
            ModelBuilderRequest request,

     *         project (e.g. describes the metadata of some artifact from the repository).
     */
    @Deprecated
    public java.io.File getPomFile() {
        return (getDelegate().getPomFile() != null) ? getDelegate().getPomFile().toFile() : null;
    }

    @Deprecated
    public void setPomFile(java.io.File pomFile) {