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{
  "type": "object",
  "title": "Flag",
  "required": [
    "countryName",
    "iso2",
    "iso3",
    "flagImageUrl"
  ],
  "properties": {
    "iso2": {
      "type": "string",
      "description": "ISO 3166-1 alpha-2 code"
    },
    "iso3": {
      "type": "string",
      "description": "ISO 3166-1 alpha-3 code"
    },
    "region": {
      "type": [
        "string",
        "null"
      ],
      "description": "Continental region (e.g. Europe, Asia, Africa)"
    },
    "capital": {
      "type": [
        "string",
        "null"
      ],
      "description": "Capital city name"
    },
    "flagEmoji": {
      "type": [
        "string",
        "null"
      ],
      "description": "Unicode flag emoji"
    },
    "subregion": {
      "type": [
        "string",
        "null"
      ],
      "description": "Subregional classification (e.g. Northern Europe, Southeast Asia)"
    },
    "population": {
      "type": [
        "integer",
        "null"
      ],
      "description": "Country population"
    },
    "countryName": {
      "type": "string",
      "description": "Common country name"
    },
    "independent": {
      "type": [
        "boolean",
        "null"
      ],
      "description": "Whether the country is independent"
    },
    "flagImageUrl": {
      "type": "string",
      "description": "URL to flag image (320px wide) from flagcdn.com"
    }
  },
  "description": "A world flag with country metadata and flag image."
}