/** List of character mapping items loaded from the mapping file. */
    List<CharMappingItem> mappingItemList;

    /**
     * Constructs a new CharMappingFile instance.
     *
     * @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
     */

    List<StemmerOverrideItem> stemmerOverrideItemList;

    /**
     * Constructs a new stemmer override file.
     *
     * @param id        The unique identifier for this dictionary file.
     * @param path      The path to the dictionary file.
     * @param timestamp The last modified timestamp of the file.
     */

    public void setForceStop(final boolean b) {
        forceStop.set(b);
    }

    /**
     * Generates a document ID.
     *
     * @param map A map of data for the document.
     * @return A unique document ID.
     */
    public String generateDocId(final Map<String, Object> map) {
        return UUID.randomUUID().toString().replace("-", StringUtil.EMPTY);
    }

    /**