* This method provides a dummy implementation as Fess does not use DBFlute extensively.
     *
     * @return a new access context arranger
     */
    @Override
    protected AccessContextArranger newAccessContextArranger() { // for framework
        // fess does not use DBFlute, and this is unneeded so dummy
        return resource -> {

            // Simulate thumbnail generation
            try {
                if (!outputFile.exists()) {
                    outputFile.createNewFile();
                }
                // Write some dummy content to simulate actual thumbnail
                Files.write(outputFile.toPath(), ("thumbnail-" + thumbnailId).getBytes());
                return true;
            } catch (IOException e) {
                return false;