{
  "properties": {
    "createdDateTime": {
      "type": "date",
      "format": "yyyy-MM-dd HH:mm:ss || yyyy-MM-dd"
    },
    "fileNumber": {
      "type": "integer"
    },
    "files": {
      "type": "nested",
      "properties": {
        "length": {
          "type": "long"
        },
        "path": {
          "type": "text"
        }
      }
    },
    "hash": {
      "type": "text",
      "index": false
    },
    "length": {
      "type": "long"
    },
    "name": {
      "type": "text",
      "analyzer": "ik_max_word",
      "search_analyzer": "ik_max_word"
    },
    "pieceLength": {
      "type": "integer"
    },
    "size": {
      "type": "long"
    }
  }
}