final Map<String, AnalysisProvider<TokenFilterFactory>> extra = new HashMap<>();
        extra.put("reloadable_kuromoji_baseform", KuromojiBaseFormFilterFactory::new);
        extra.put("reloadable_kuromoji_part_of_speech", KuromojiPartOfSpeechFilterFactory::new);
        extra.put("reloadable_kuromoji_readingform", KuromojiReadingFormFilterFactory::new);
        extra.put("reloadable_kuromoji_stemmer", KuromojiKatakanaStemmerFactory::new);

        ]
      }
    },
    "filter" : {
      "reading_form" : {
        "type" : "reloadable_kuromoji_readingform"
      },
      "pos_filter" : {
        "type" : "reloadable_kuromoji_part_of_speech",
        "stoptags" : [
          "その他",
          "その他-間投",
          "フィラー",
          "感動詞",
          "記号",
          "記号-アルファベット",
          "記号-一般",
          "記号-括弧開",