for (String nativeFile : nativeFiles) {
    InputStream inputStream = IOHelper.class.getResourceAsStream("/" + nativeFile);
    Path nativePath = dataDir.resolve(nativeFile);

    if (Files.notExists(nativePath)) {
        Files.createDirectories(nativePath.getParent());
        Files.copy(inputStream, nativePath);
    }
}