*/
    public String interpolate(String path, ProfileActivationContext context) throws InterpolationException {
        if (path == null) {
            return null;
        }

        RegexBasedInterpolator interpolator = new RegexBasedInterpolator();

        Path basedir = context.getProjectDirectory();

        if (basedir != null) {
            interpolator.addValueSource(new AbstractValueSource(false) {
                @Override

    }

    private PersistedToolchains interpolate(
            PersistedToolchains toolchains, ToolchainsBuilderRequest request, List<BuilderProblem> problems) {

        RegexBasedInterpolator interpolator = new RegexBasedInterpolator();

        interpolator.addValueSource(new MapBasedValueSource(request.getSession().getUserProperties()));