@type t() :: %BeamLabCountries.Country{
  address_format: String.t() | nil,
  alpha2: String.t() | nil,
  alpha3: String.t() | nil,
  alt_currency: String.t() | nil,
  continent: String.t() | nil,
  country_code: String.t() | nil,
  currency: String.t() | nil,
  currency_code: String.t() | nil,
  dissolved_on: String.t() | nil,
  eea_member: boolean() | nil,
  eu_member: boolean() | nil,
  flag: String.t() | nil,
  gec: String.t() | nil,
  geo: map() | nil,
  international_prefix: String.t() | nil,
  ioc: String.t() | nil,
  language_locales: term(),
  languages_official: [String.t()] | nil,
  languages_spoken: [String.t()] | nil,
  name: String.t() | nil,
  national_destination_code_lengths: [integer()] | nil,
  national_number_lengths: [integer()] | nil,
  national_prefix: String.t() | nil,
  nationality: String.t() | nil,
  number: integer() | nil,
  postal_code: String.t() | nil,
  region: String.t() | nil,
  start_of_week: String.t() | nil,
  subdivision_type: String.t() | nil,
  subregion: String.t() | nil,
  un_locode: String.t() | nil,
  unofficial_names: [String.t()] | nil,
  vat_rates: map() | nil,
  world_region: String.t() | nil
}