public static final String ANALYZER_SETTINGS_NORMALIZE_ANALYZER = "normalizeAnalyzer";
    public static final String ANALYZER_SETTINGS_CONTENTS_ANALYZER = "contentsAnalyzer";
    public static final String ANALYZER_SETTINGS_CONTENTS_READING_ANALYZER = "contentsReadingAnalyzer";

    private FieldNames() {
    }

    },
    "readingAnalyzer": {
      "type": "keyword"
    },
    "readingTermAnalyzer": {
      "type": "keyword"
    },
    "normalizeAnalyzer": {
      "type": "keyword"
    },
    "contentsAnalyzer": {
      "type": "keyword"
    },
    "contentsReadingAnalyzer": {
      "type": "keyword"
    }
  }