* The value is, e.g. 200 <br>
     * comment: Maximum length of file digest in documents.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCrawlerDocumentFileMaxDigestLength();

    /**
     * Get the value for the key 'crawler.document.file.max.digest.length' as {@link Integer}. <br>

                                    <label for="doc.digest" class="col-sm-3 text-sm-right col-form-label">digest</label>
                                    <div class="col-sm-9">
                                        <la:errors property="doc.digest"/>
                                        <la:text styleId="doc.digest" property="doc.digest" styleClass="form-control"/>
                                    </div>

                byte[] ntlmv2Hash = hmac.digest();
                hmac = Crypto.getHMACT64(ntlmv2Hash);
                hmac.update(chlng);
                hmac.update(this.clientChallenge);
                MessageDigest userKey = Crypto.getHMACT64(ntlmv2Hash);
                userKey.update(hmac.digest());
                userKey.digest(dest, offset, 16);
                break;
            default:

        return baos.toByteArray();
    }

    private byte[] calculateBindingHash(byte[] bindingInfo) throws IOException {
        try {
            MessageDigest digest = MessageDigest.getInstance("SHA-256");
            return digest.digest(bindingInfo);
        } catch (NoSuchAlgorithmException e) {
            throw new IOException("SHA-256 not available", e);
        }
    }

        this.fid = fid;
        this.offset = offset;
        this.remaining = remaining;
        this.b = b;
        this.off = off;
        dataLength = len;
        digest = null; /* otherwise recycled commands
                        * like writeandx will choke if session
                        * closes in between */
    }

    @Override
    int getBatchLimit(final byte command) {

        this.fid = fid;
        this.offset = (int) (offset & 0xFFFFFFFFL);
        this.remaining = remaining;
        this.b = b;
        this.off = off;
        this.count = len;
        this.digest = null; /*
                             * otherwise recycled commands
                             * like writeandx will choke if session
                             * closes in between
                             */
    }

      },
      "timestamp": {
        "type": "date",
        "format": "date_optional_time"
      },
      "expires": {
        "type": "date",
        "format": "date_optional_time"
      },
      "digest": {
        "type": "text",
        "index": false
      },
      "doc_id": {
        "type": "keyword"
      },
      "favorite_count": {
        "type": "long"
      },
      "filename": {

        dst[dstIndex++] = (byte) (byteCount & 0xFF);
        dst[dstIndex++] = (byte) (byteCount >> 8 & 0xFF);
        dstIndex += byteCount;

        length = dstIndex - start;

        if (digest != null) {
            digest.sign(dst, headerStart, length, this, response);
        }

        return length;
    }

    int decode(final byte[] buffer, int bufferIndex) {

      },
      "timestamp": {
        "type": "date",
        "format": "date_optional_time"
      },
      "expires": {
        "type": "date",
        "format": "date_optional_time"
      },
      "digest": {
        "type": "text",
        "index": false
      },
      "doc_id": {
        "type": "keyword"
      },
      "favorite_count": {
        "type": "long"
      },
      "filename": {

            public static final String DEFAULT_LANG = "default.lang";
            public static final String DEFAULT_CONTENT = "default.content";
            public static final String DEFAULT_DIGEST = "default.digest";
            // xapth.<field>=<value>
        }

        // config.*
        public static class Config {
            public static final String KEEP_ORIGINAL_BODY = "keep.original.body";