if (recursive) {
                File basedir = pomFile.getParentFile();
                List<File> moduleFiles = new ArrayList<>();
                for (String module : model.getModules()) {
                    if (module == null || module.isEmpty()) {
                        continue;
                    }

                    module = module.replace('\\', File.separatorChar).replace('/', File.separatorChar);

            ActivationFile file,
            String path,
            InterpolationException e,
            String locationKey) {
        problems.add(
                Severity.ERROR,
                ModelProblem.Version.BASE,
                "Failed to interpolate file location " + path + ": " + e.getMessage(),
                file.getLocation(locationKey),
                e);
    }

        }

        ActivationFile file = activation.getFile();

        String path;
        String location;

        if (file.getExists() != null && !file.getExists().isEmpty()) {
            path = file.getExists();
            location = "exists";
        } else if (file.getMissing() != null && !file.getMissing().isEmpty()) {
            path = file.getMissing();
            location = "missing";