bdef settings

{
  "number_of_replicas" : 2,
  "index.mapper.dynamic": false,
  "analysis": {
    "filter": {
      "field_ngram_filter": {
        "type": "edgeNGram",
        "min_gram": 4,
        "max_gram": 16,
        "side": "front"
      }
    },
    "analyzer": {
      "field_default_analyzer": {
        "type": "custom",
        "tokenizer": "classic",
        "filter": [
          "lowercase",
          "asciifolding",
          "stop"
        ]
      },
      "field_shingle_analyzer": {
        "type": "custom",
        "tokenizer": "classic",
        "filter": [
          "lowercase",
          "asciifolding",
          "shingle",
          "stop"
        ]
      },
      "field_snowball_analyzer": {
        "type": "custom",
        "tokenizer": "classic",
        "filter": [
          "lowercase",
          "asciifolding",
          "snowball",
          "stop"
        ]
      },
      "field_ngram_analyzer": {
        "type": "custom",
        "tokenizer": "classic",
        "filter": [
          "stop",
          "lowercase",
          "asciifolding",
          "field_ngram_filter"
        ]
      }
    }
  }
}