"type":       "keyword_marker",
          "keywords_path": "${fess.dictionary.path}en/protwords.txt"
        },
        "finnish_stop": {
          "type":       "stop",
          "stopwords_path": "${fess.dictionary.path}fi/stopwords.txt"
        },
        "finnish_keywords": {
          "type":       "keyword_marker",
          "keywords_path": "${fess.dictionary.path}fi/protwords.txt"
        },

        } else {
            keywordPath = null;
        }

        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);
    }