{
  "index": {
    "max_ngram_diff": 5,
    "max_shingle_diff": 3,
    "analysis": {
      "filter": {
        "esse_search_shingle": {
          "token_separator": "",
          "output_unigrams_if_no_shingles": "true",
          "output_unigrams": "false",
          "type": "shingle"
        },
        "esse_index_shingle": {
          "token_separator": "",
          "type": "shingle"
        },
        "esse_stemmer": {
          "type": "stemmer",
          "language": "English"
        }
      },
      "analyzer": {
        "esse_index": {
          "filter": [
            "lowercase",
            "asciifolding",
            "english_stop",
            "esse_index_shingle",
            "esse_stemmer"
          ],
          "char_filter": [
            "ampersand"
          ],
          "type": "custom",
          "tokenizer": "standard"
        },
        "esse_search": {
          "filter": [
            "lowercase",
            "asciifolding",
            "english_stop",
            "esse_search_shingle",
            "esse_stemmer"
          ],
          "char_filter": [
            "ampersand"
          ],
          "type": "custom",
          "tokenizer": "standard"
        }
      },
      "char_filter": {
        "ampersand": {
          "type": "mapping",
          "mappings": [
            "&=> and "
          ]
        }
      }
    }
  }
}