Implementation
List<Country> countries = [
Country("Afghanistan", "AF", "+93", 9, 9),
Country("Albania", "AL", "+355", 9, 9),
Country("Algeria", "DZ", "+213", 9, 9),
Country("Andorra", "AD", "+376", 6, 6),
Country("Angola", "AO", "+244", 9, 9),
Country("Argentina", "AR", "+54", 10, 10),
Country("Armenia", "AM", "+374", 8, 8),
Country("Australia", "AU", "+61", 9, 9),
Country("Austria", "AT", "+43", 10, 10),
Country("Azerbaijan", "AZ", "+994", 9, 9),
Country("Bahamas", "BS", "+1-242", 10, 10),
Country("Bahrain", "BH", "+973", 8, 8),
Country("Bangladesh", "BD", "+880", 10, 10),
Country("Barbados", "BB", "+1-246", 10, 10),
Country("Belarus", "BY", "+375", 9, 9),
Country("Belgium", "BE", "+32", 9, 9),
Country("Belize", "BZ", "+501", 7, 7),
Country("Benin", "BJ", "+229", 8, 8),
Country("Bhutan", "BT", "+975", 8, 8),
Country("Bolivia", "BO", "+591", 8, 8),
Country("Bosnia and Herzegovina", "BA", "+387", 8, 8),
Country("Botswana", "BW", "+267", 7, 7),
Country("Brazil", "BR", "+55", 10, 11),
Country("Brunei", "BN", "+673", 7, 7),
Country("Bulgaria", "BG", "+359", 9, 9),
Country("Burkina Faso", "BF", "+226", 8, 8),
Country("Burundi", "BI", "+257", 8, 8),
Country("Cambodia", "KH", "+855", 8, 8),
Country("Cameroon", "CM", "+237", 9, 9),
Country("Canada", "CA", "+1", 10, 10),
Country("Cape Verde", "CV", "+238", 7, 7),
Country("Central African Republic", "CF", "+236", 8, 8),
Country("Chad", "TD", "+235", 8, 8),
Country("Chile", "CL", "+56", 9, 9),
Country("China", "CN", "+86", 11, 11),
Country("Colombia", "CO", "+57", 10, 10),
Country("Comoros", "KM", "+269", 7, 7),
Country("Congo (DRC)", "CD", "+243", 9, 9),
Country("Congo (Republic)", "CG", "+242", 9, 9),
Country("Costa Rica", "CR", "+506", 8, 8),
Country("Croatia", "HR", "+385", 9, 9),
Country("Cuba", "CU", "+53", 8, 8),
Country("Cyprus", "CY", "+357", 8, 8),
Country("Czech Republic", "CZ", "+420", 9, 9),
Country("Denmark", "DK", "+45", 8, 8),
Country("Djibouti", "DJ", "+253", 8, 8),
Country("Dominica", "DM", "+1-767", 10, 10),
Country("Dominican Republic", "DO", "+1-809", 10, 10),
Country("Ecuador", "EC", "+593", 9, 9),
Country("Egypt", "EG", "+20", 10, 10, startingDigits: ["1"]),
Country("El Salvador", "SV", "+503", 8, 8),
Country("Equatorial Guinea", "GQ", "+240", 9, 9),
Country("Eritrea", "ER", "+291", 7, 7),
Country("Estonia", "EE", "+372", 8, 8),
Country("Eswatini", "SZ", "+268", 8, 8),
Country("Ethiopia", "ET", "+251", 9, 9),
Country("Fiji", "FJ", "+679", 7, 7),
Country("Finland", "FI", "+358", 9, 9),
Country("France", "FR", "+33", 9, 9),
Country("Gabon", "GA", "+241", 8, 8),
Country("Gambia", "GM", "+220", 7, 7),
Country("Georgia", "GE", "+995", 9, 9),
Country("Germany", "DE", "+49", 10, 10),
Country("Ghana", "GH", "+233", 9, 9),
Country("Greece", "GR", "+30", 10, 10),
Country("Grenada", "GD", "+1-473", 10, 10),
Country("Guatemala", "GT", "+502", 8, 8),
Country("Guinea", "GN", "+224", 9, 9),
Country("Guinea-Bissau", "GW", "+245", 7, 7),
Country("Guyana", "GY", "+592", 7, 7),
Country("Haiti", "HT", "+509", 8, 8),
Country("Honduras", "HN", "+504", 8, 8),
Country("Hungary", "HU", "+36", 9, 9),
Country("Iceland", "IS", "+354", 7, 7),
Country("India", "IN", "+91", 10, 10),
Country("Indonesia", "ID", "+62", 10, 10),
Country("Iran", "IR", "+98", 10, 10),
Country("Iraq", "IQ", "+964", 10, 10),
Country("Ireland", "IE", "+353", 9, 9),
Country("Italy", "IT", "+39", 9, 9),
Country("Jamaica", "JM", "+1-876", 10, 10),
Country("Japan", "JP", "+81", 10, 10),
Country("Jordan", "JO", "+962", 9, 9),
Country("Kazakhstan", "KZ", "+7", 10, 10),
Country("Kenya", "KE", "+254", 10, 10),
Country("Kiribati", "KI", "+686", 8, 8),
Country("Kuwait", "KW", "+965", 8, 8),
Country("Kyrgyzstan", "KG", "+996", 9, 9),
Country("Laos", "LA", "+856", 10, 10),
Country("Latvia", "LV", "+371", 8, 8),
Country("Lebanon", "LB", "+961", 8, 8),
Country("Lesotho", "LS", "+266", 8, 8),
Country("Liberia", "LR", "+231", 7, 7),
Country("Libya", "LY", "+218", 10, 10),
Country("Liechtenstein", "LI", "+423", 7, 7),
Country("Lithuania", "LT", "+370", 8, 8),
Country("Luxembourg", "LU", "+352", 9, 9),
Country("Madagascar", "MG", "+261", 9, 9),
Country("Malawi", "MW", "+265", 9, 9),
Country("Malaysia", "MY", "+60", 9, 9),
Country("Maldives", "MV", "+960", 7, 7),
Country("Mali", "ML", "+223", 8, 8),
Country("Malta", "MT", "+356", 8, 8),
Country("Marshall Islands", "MH", "+692", 7, 7),
Country("Mauritania", "MR", "+222", 8, 8),
Country("Mauritius", "MU", "+230", 8, 8),
Country("Mexico", "MX", "+52", 10, 10),
Country("Micronesia", "FM", "+691", 7, 7),
Country("Moldova", "MD", "+373", 8, 8),
Country("Monaco", "MC", "+377", 8, 8),
Country("Mongolia", "MN", "+976", 8, 8),
Country("Montenegro", "ME", "+382", 8, 8),
Country("Morocco", "MA", "+212", 9, 9),
Country("Mozambique", "MZ", "+258", 9, 9),
Country("Myanmar", "MM", "+95", 9, 9),
Country("Namibia", "NA", "+264", 9, 9),
Country("Nauru", "NR", "+674", 7, 7),
Country("Nepal", "NP", "+977", 10, 10),
Country("Netherlands", "NL", "+31", 9, 9),
Country("New Zealand", "NZ", "+64", 8, 8),
Country("Nicaragua", "NI", "+505", 8, 8),
Country("Niger", "NE", "+227", 8, 8),
Country("Nigeria", "NG", "+234", 10, 10),
Country("North Macedonia", "MK", "+389", 8, 8),
Country("Norway", "NO", "+47", 8, 8),
Country("Oman", "OM", "+968", 8, 8),
Country("Pakistan", "PK", "+92", 10, 10),
Country("Palau", "PW", "+680", 7, 7),
Country("Palestine", "PS", "+970", 9, 9),
Country("Panama", "PA", "+507", 8, 8),
Country("Papua New Guinea", "PG", "+675", 8, 8),
Country("Paraguay", "PY", "+595", 9, 9),
Country("Peru", "PE", "+51", 9, 9),
Country("Philippines", "PH", "+63", 10, 10),
Country("Poland", "PL", "+48", 9, 9),
Country("Portugal", "PT", "+351", 9, 9),
Country("Qatar", "QA", "+974", 8, 8),
Country("Romania", "RO", "+40", 10, 10),
Country("Russia", "RU", "+7", 10, 10),
Country("Rwanda", "RW", "+250", 9, 9),
Country("Saint Kitts and Nevis", "KN", "+1-869", 10, 10),
Country("Saint Lucia", "LC", "+1-758", 10, 10),
Country("Saint Vincent and the Grenadines", "VC", "+1-784", 10, 10),
Country("Samoa", "WS", "+685", 7, 7),
Country("San Marino", "SM", "+378", 8, 8),
Country("Sao Tome and Principe", "ST", "+239", 7, 7),
Country("Saudi Arabia", "SA", "+966", 9, 9),
Country("Senegal", "SN", "+221", 9, 9),
Country("Serbia", "RS", "+381", 8, 8),
Country("Seychelles", "SC", "+248", 7, 7),
Country("Sierra Leone", "SL", "+232", 8, 8),
Country("Singapore", "SG", "+65", 8, 8),
Country("Slovakia", "SK", "+421", 9, 9),
Country("Slovenia", "SI", "+386", 8, 8),
Country("Solomon Islands", "SB", "+677", 7, 7),
Country("Somalia", "SO", "+252", 9, 9),
Country("South Africa", "ZA", "+27", 9, 9),
Country("South Korea", "KR", "+82", 10, 10),
Country("South Sudan", "SS", "+211", 9, 9),
Country("Spain", "ES", "+34", 9, 9),
Country("Sri Lanka", "LK", "+94", 9, 9),
Country("Sudan", "SD", "+249", 9, 9),
Country("Suriname", "SR", "+597", 6, 7),
Country("Sweden", "SE", "+46", 9, 9),
Country("Switzerland", "CH", "+41", 9, 9),
Country("Syria", "SY", "+963", 9, 9),
Country("Taiwan", "TW", "+886", 9, 9),
Country("Tajikistan", "TJ", "+992", 9, 9),
Country("Tanzania", "TZ", "+255", 9, 9),
Country("Thailand", "TH", "+66", 9, 9),
Country("Timor-Leste", "TL", "+670", 7, 7),
Country("Togo", "TG", "+228", 8, 8),
Country("Tonga", "TO", "+676", 5, 5),
Country("Trinidad and Tobago", "TT", "+1-868", 10, 10),
Country("Tunisia", "TN", "+216", 8, 8),
Country("Turkey", "TR", "+90", 10, 10),
Country("Turkmenistan", "TM", "+993", 8, 8),
Country("Tuvalu", "TV", "+688", 5, 5),
Country("Uganda", "UG", "+256", 9, 9),
Country("Ukraine", "UA", "+380", 9, 9),
Country("United Arab Emirates", "AE", "+971", 9, 9),
Country("United Kingdom", "GB", "+44", 10, 10),
Country("United States", "US", "+1", 10, 10),
Country("Uruguay", "UY", "+598", 8, 8),
Country("Uzbekistan", "UZ", "+998", 9, 9),
Country("Vanuatu", "VU", "+678", 7, 7),
Country("Vatican City", "VA", "+379", 10, 10),
Country("Venezuela", "VE", "+58", 10, 10),
Country("Vietnam", "VN", "+84", 9, 9),
Country("Yemen", "YE", "+967", 9, 9),
Country("Zambia", "ZM", "+260", 9, 9),
Country("Zimbabwe", "ZW", "+263", 9, 9),
];
