*/
    protected byte[] gzipDecompress(final byte[] compressed) {
        try (final ByteArrayInputStream bis = new ByteArrayInputStream(compressed);
                final GZIPInputStream gzipIn = new GZIPInputStream(bis);
                final ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
            final byte[] buffer = new byte[1024];
            int len;

    }

    /**
     * Decodes a Base64 string to bytes.
     *
     * @param base64String the Base64 string to decode
     * @return the decoded bytes, or null if input is null
     */
    protected byte[] decodeBase64(String base64String) {
        if (base64String == null) {
            return null;
        }
        try {
            return BASE64_DECODER.decode(base64String);