{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/Country",
  "title": "Country Code",
  "type": "string",
  "example": "US",
  "description": "Country code according to ISO 3166-1 alpha-2.",
  "minLength": 2,
  "maxLength": 2,
  "nullable": true
}