}
        dictionaryManager.addCreator(this);
    }

    @Override
    protected DictionaryFile<? extends DictionaryItem> newDictionaryFile(final String id, final String path, final Date timestamp) {
        return new ProtwordsFile(id, path, timestamp).manager(dictionaryManager);
    }

    /**
     * The username of the user who created this access token.
     * Maximum length is 1000 characters.
     */
    @Size(max = 1000)
    public String createdBy;

    /**
     * The timestamp when this access token was created.
     * Stored as a long value representing milliseconds since epoch.
     */
    @ValidateTypeFailure
    public Long createdTime;

    /**

            DateTimeFormatter outputFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
            Provider<String> dateTime = buildTimestamp.map(timestamp -> ZonedDateTime.parse(timestamp, inputFormatter).format(outputFormatter));

            replacementTokens.put("releaseDate", dateTime);
            replacementTokens.put("version", moduleIdentity.getVersion().map(GradleVersion::getVersion));

    "loggerName": {
      "type": "keyword"
    },
    "message": {
      "type": "text",
      "index": false
    },
    "throwable": {
      "type": "text",
      "index": false
    },
    "timestamp": {
      "type": "date",
      "format": "epoch_millis"
    }
  }

     * @param id the unique identifier for this mapping file
     * @param path the file path to the character mapping dictionary
     * @param timestamp the last modification timestamp of the file
     */
    public CharMappingFile(final String id, final String path, final Date timestamp) {
        super(id, path, timestamp);
    }

    /**
     * Returns the type identifier for this dictionary file.
     *

            final String timestamp = TIMESTAMP_FORMATTER.format(Instant.ofEpochMilli(event.getTimestamp()));
            String message = event.getMessage();
            if (message != null && message.length() > maxMessageLength) {
                message = message.substring(0, maxMessageLength) + "...";
            }
            sb.append('[')
                    .append(timestamp)
                    .append("] ")

        val milestoneSuffix = buildMilestoneNumber.map { "-milestone-$it" }
        val buildVersionQualifierSuffix = buildVersionQualifier.zip(buildTimestamp) { buildVersion, timestamp -> "-$buildVersion-$timestamp" }
        val buildTimestampSuffix = buildTimestamp.map { "-$it" }

        val specifiedSuffix = atMostOneOf(finalReleaseSuffix, rcSuffix, milestoneSuffix)
        val computedSuffix = specifiedSuffix

        // Default constructor
    }

    /** Logger instance for this class. */
    private static final Logger logger = LogManager.getLogger(CrawlerStatsHelper.class);

    /** Key used to store the begin timestamp in statistics objects. */
    private static final String BEGIN_KEY = "begin";

    /** Logger instance specifically for outputting crawler statistics. */
    protected Logger statsLogger = null;

            "content": doc.get("content", ""),
            "mimetype": doc.get("mimetype", "text/html"),
            "filetype": doc.get("filetype", "html"),
            "created": doc.get("@timestamp", ""),
            "timestamp": doc.get("@timestamp", ""),
            # Add custom fields as needed
        }

        outfile.write(json.dumps(fess_doc) + '\n')
```

**Step 3: Import to Fess**

Option A: Via Admin UI

        return buf;
    }

    /**
     * Appends a timestamp to the buffer.
     *
     * @param buf the string buffer to append to
     * @return the updated buffer
     */
    protected StringBuilder appendTimestamp(final StringBuilder buf) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        append(buf, "timestamp", () -> FessFunctions.formatDate(systemHelper.getCurrentTime()));