this.userId = userId;
    }

    /**
     * Gets the creation timestamp.
     *
     * @return the creation timestamp
     */
    public LocalDateTime getCreatedAt() {
        return createdAt;
    }

    /**
     * Sets the creation timestamp.
     *
     * @param createdAt the creation timestamp
     */
    public void setCreatedAt(final LocalDateTime createdAt) {

        private final long timestamp;

        private final String level;

        private final String loggerName;

        private final String message;

        private final String throwable;

        /**
         * Constructs a new LogNotificationEvent.
         *
         * @param timestamp the event timestamp in milliseconds
         * @param level the log level name

     * @param path The path of the dictionary file.
     * @param timestamp The timestamp of the dictionary file.
     * @return A new dictionary file.
     */
    @Override
    protected DictionaryFile<? extends DictionaryItem> newDictionaryFile(final String id, final String path, final Date timestamp) {
        return new KuromojiFile(id, path, timestamp).manager(dictionaryManager);
    }

    protected String path;

    /** The timestamp when this dictionary file was created or last modified. */
    protected Date timestamp;

    /**
     * Creates a new DictionaryFile with the specified parameters.
     *
     * @param id the unique identifier for this dictionary file
     * @param path the file path of this dictionary
     * @param timestamp the timestamp of the dictionary file
     */

     * @param timestamp The last modified timestamp of the file.
     * @return A new {@link StemmerOverrideFile} associated with the dictionary manager.
     */
    @Override
    protected DictionaryFile<? extends DictionaryItem> newDictionaryFile(final String id, final String path, final Date timestamp) {
        return new StemmerOverrideFile(id, path, timestamp).manager(dictionaryManager);
    }

        if (enableConfigurationCacheForDocsTests.getOrElse(false)) {
            // If the CC is enabled for docs tests, use a static dummy timestamp (the Epoch) so that we get hits,
            // otherwise we'll use the current timestamp by default and miss
            val formatter = SimpleDateFormat("yyyyMMddHHmmssZ").apply {
                timeZone = TimeZone.getTimeZone("UTC")
            }

     * Creates a dictionary file for the given path and timestamp if it matches this creator's pattern.
     *
     * @param path the file path to create a dictionary file for
     * @param timestamp the timestamp of the dictionary file
     * @return a DictionaryFile instance if the path matches, null otherwise
     */
    public DictionaryFile<? extends DictionaryItem> create(final String path, final Date timestamp) {
        if (!isTarget(path)) {

    }

    @Test
    public void test_login_ecs() {
        activityHelper.useEcsFormat = true;
        activityHelper.login(OptionalThing.empty());
        assertEquals(

                    final Date timestamp =
                            new SimpleDateFormat(Constants.DATE_FORMAT_ISO_8601_EXTEND_UTC).parse(fileMap.get("@timestamp").toString());
                    for (final DictionaryCreator creator : creatorList) {
                        final DictionaryFile<? extends DictionaryItem> file = creator.create(path, timestamp);
                        if (file != null) {

    /**
     * Gets the message timestamp.
     *
     * @return the message timestamp
     */
    public LocalDateTime getTimestamp() {
        return timestamp;
    }

    /**
     * Sets the message timestamp.
     *
     * @param timestamp the message timestamp
     */
    public void setTimestamp(final LocalDateTime timestamp) {
        this.timestamp = timestamp;
    }

    /**