"keywords_path": "${fess.dictionary.path}tr/protwords.txt"
        },
        "turkish_stemmer": {
          "type":       "stemmer",
          "language":   "turkish"
        },
        "turkish_override": {
          "type":       "stemmer_override",
          "rules_path": "${fess.dictionary.path}tr/stemmer_override.txt"
        },
        "vietnamese_stop": {
          "type":       "stop",