throws ModelInterpolationException {
        try {
            List<ValueSource> valueSources = createValueSources(model, projectDir, config);
            List<InterpolationPostProcessor> postProcessors = createPostProcessors(model, projectDir, config);

            return interpolateInternal(src, valueSources, postProcessors, debug);
        } finally {
            interpolator.clearAnswers();
        }
    }

            throws ModelInterpolationException {
        try {
            List<ValueSource> valueSources = createValueSources(model, projectDir, config);
            List<InterpolationPostProcessor> postProcessors = createPostProcessors(model, projectDir, config);

            InterpolateObjectAction action =
                    new InterpolateObjectAction(obj, valueSources, postProcessors, debugEnabled, this, getLogger());

            }
        });

        valueSources.add(modelValueSource2);

        return valueSources;
    }

    protected List<? extends InterpolationPostProcessor> createPostProcessors(
            final Model model, final File projectDir, final ModelBuildingRequest config) {
        List<InterpolationPostProcessor> processors = new ArrayList<>(2);
        if (projectDir != null) {

        List<? extends ValueSource> valueSources = createValueSources(model, projectDir, config, problems);
        List<? extends InterpolationPostProcessor> postProcessors = createPostProcessors(model, projectDir, config);

        InnerInterpolator innerInterpolator = createInterpolator(valueSources, postProcessors, problems);

        new InterpolateObjectAction(obj, innerInterpolator, problems).run();
    }

        List<? extends ValueSource> valueSources = createValueSources(model, projectDir, config, problems);
        List<? extends InterpolationPostProcessor> postProcessors = createPostProcessors(model, projectDir, config);

        InnerInterpolator innerInterpolator = createInterpolator(valueSources, postProcessors, problems);

        new ModelVisitor(innerInterpolator).visit(model);