ModelBuildingRequest config) {
        final Map<String, String> cache = new HashMap<>();
        final StringSearchInterpolator interpolator = new StringSearchInterpolator();
        interpolator.setCacheAnswers(true);
        for (ValueSource vs : valueSources) {
            interpolator.addValueSource(vs);
        }
        for (InterpolationPostProcessor postProcessor : postProcessors) {

            getInterpolator().clearAnswers();
        }
    }

    protected Interpolator createInterpolator() {
        StringSearchInterpolator interpolator = new StringSearchInterpolator();
        interpolator.setCacheAnswers(true);

        return interpolator;
    }

    private static final class InterpolateObjectAction implements PrivilegedAction<ModelInterpolationException> {

        private final boolean debugEnabled;

                .noneMatch(Objects::nonNull)) {
            return profiles;
        }
        final Interpolator xform = new RegexBasedInterpolator();
        xform.setCacheAnswers(true);
        Stream.of(context.getUserProperties(), context.getSystemProperties())
                .map(MapBasedValueSource::new)
                .forEach(xform::addValueSource);