}

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

    @Override
    public TokenStream create(final TokenStream tokenStream) {
        if (keywordPath == null) {
            return tokenStream;
        }
        return new ReloadableKeywordMarkerFilter(tokenStream, keywordPath, reloadInterval);
    }

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

    @Override
    public TokenStream create(final TokenStream tokenStream) {
        if (stopwordPath == null) {
            return tokenStream;
        }
        return new ReloadableStopFilter(tokenStream, stopwordPath, ignoreCase, reloadInterval);
    }

                } catch (final Exception e) {
                    throw new IllegalArgumentException("Failed to read " + filePath, e);
                }

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

            } else {
                reader = Analysis.getReaderFromFile(env, settings, "synonyms_path");
            }
        } else {

     */
    public abstract int load();

    /**
     * Set the interval for reloading.
     * @param reloadInterval The interval for reloading.
     */
    public void setReloadInterval(final long reloadInterval) {
        this.reloadInterval = reloadInterval;
    }