{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/CountryGroup",
  "title": "Country group",
  "required": [
    "Code",
    "CountryCodes",
    "EnglishName"
  ],
  "type": "object",
  "properties": {
    "Code": {
      "minLength": 1,
      "type": "string",
      "description": "Group code, e.g. `EU`, `SCHENGEN`, `NORDIC`..."
    },
    "EnglishName": {
      "minLength": 1,
      "type": "string",
      "description": "English name of the country group."
    },
    "CountryCodes": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Codes of countries included in the group, in ISO 3166-1 alpha-2 format."
    }
  },
  "additionalProperties": false,
  "x-schema-id": "CountryGroup"
}