super(indexSettings, name, settings);

        final String suffixWordsPath = settings.get("suffix_words_path");

        if (suffixWordsPath != null) {
            final File suffixWordsFile = environment.configDir().resolve(suffixWordsPath).toFile();
            try (Reader reader = IOUtils.getDecodingReader(new FileInputStream(suffixWordsFile), StandardCharsets.UTF_8)) {
                suffixWords = WordlistLoader.getWordSet(reader);

                if (filePath == null) {
                    throw new IllegalArgumentException("synonyms_path is not found.");
                }

                final Path path = env.configDir().resolve(filePath);

                try {
                    final File file = path.toFile();
                    if (file.exists()) {
                        reloadableFile = file;
                    }

            final Settings settings) {
        super(indexSettings, name, settings);

        final String path = settings.get("keywords_path");
        if (path != null) {
            keywordPath = environment.configDir().resolve(path);
        } else {
            keywordPath = null;
        }

        reloadInterval = settings.getAsTime("reload_interval", TimeValue.timeValueMinutes(1)).getMillis();
    }

    @Override

            final Settings settings) {
        super(indexSettings, name, settings);

        final String path = settings.get("stopwords_path");
        if (path != null) {
            stopwordPath = environment.configDir().resolve(path);
        } else {
            stopwordPath = null;
        }

        ignoreCase = settings.getAsBoolean("ignore_case", false);