throw error;
            }
        } finally {
            getInterpolator().clearAnswers();
        }
    }

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

        return interpolator;
    }

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

        }
        return map;
    }

    @Nonnull
    public static BasicInterpolator createInterpolator(Collection<Map<String, String>> properties) {
        StringSearchInterpolator interpolator = new StringSearchInterpolator();
        interpolator.addValueSource(new AbstractValueSource(false) {
            @Override
            public Object getValue(String expression) {

                model.getDelegate(), model.getProjectDirectoryPath(), request, problems));
        if (interpolatedModel.getParent() != null) {
            StringSearchInterpolator ssi = new StringSearchInterpolator();
            ssi.addValueSource(new MapBasedValueSource(request.getUserProperties()));

            ssi.addValueSource(new MapBasedValueSource(model.getProperties()));