"language":   "turkish"
        },
        "turkish_override": {
          "type":       "stemmer_override",
          "rules_path": "${fess.dictionary.path}tr/stemmer_override.txt"
        },
        "vietnamese_stop": {
          "type":       "stop",
          "stopwords_path": "${fess.dictionary.path}vi/stopwords.txt"
        },
        "truncate10_filter" : {
          "type" : "truncate",
          "length" : 10