RegexBasedInterpolator interpolator = new RegexBasedInterpolator();
            try {
                interpolator.addValueSource(new EnvarBasedValueSource());
            } catch (IOException e) {
                // ignored
            }
            interpolator.addValueSource(new MapBasedValueSource(System.getProperties()));

            try {

            missing = true;
        } else {
            return false;
        }

        try {
            path = profileActivationFilePathInterpolator.interpolate(path, context);
        } catch (InterpolationException e) {
            problems.add(
                    BuilderProblem.Severity.ERROR,
                    ModelProblem.Version.BASE,