persistence-elasticsearch/core/src/main/resources/META-INF/cxs/mappings/_default_.json

{
  "_default_": {
    "dynamic_templates": [
      {
        "all": {
          "match": "*",
          "match_mapping_type": "string",
          "mapping": {
            "type": "text",
            "analyzer": "folding",
            "fields": {
              "keyword": {
                "type": "keyword",
                "ignore_above": 256
              }
            }
          }
        }
      }
    ]
  }
}