}
    }

    /**
     * Reloads the character mapping items from the provided input stream.
     * Parses mapping rules in the format: input1,input2,... => output
     *
     * @param updater the mapping updater to use for writing changes, or null for read-only reload
     * @param in the input stream to read the mapping data from
     */

        }
    }

    /**
     * Reloads the stemmer override dictionary from an input stream.
     *
     * @param updater An optional updater to apply changes.
     * @param in      The input stream to read the dictionary from.
     * @throws DictionaryException if the input stream cannot be parsed.
     */
    protected void reload(final StemmerOverrideUpdater updater, final InputStream in) {