{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "AllCombinationResponse",
  "type": "object",
  "required": [
    "combination"
  ],
  "properties": {
    "combination": {
      "type": "array",
      "items": {
        "type": "string"
      }
    }
  }
}