class AWSJson {
  String syncToken = "";
  String createDate = "";
  List<AWSIP> prefixes = [];
  List<AWSIP> ipv6_prefixes = [];

  AWSJson._();
  factory AWSJson.parse(Map<String, dynamic> js) {
    AWSJson ajs = AWSJson._();

    ajs.syncToken = js['syncToken'] as String;
    ajs.createDate = js['createDate'] as String;

    List<dynamic> LPv4 = js['prefixes'] as List<dynamic>;
    for (var entry in LPv4) {
      ajs.prefixes.add(AWSIP.parse(entry as Map<String, dynamic>, ipv6: false));
    }

    List<dynamic> LPv6 = js['ipv6_prefixes'] as List<dynamic>;
    for (var entry in LPv6) {
      ajs.ipv6_prefixes
          .add(AWSIP.parse(entry as Map<String, dynamic>, ipv6: true));
    }

    return ajs;
  }
}

class AWSIP {
  String ip_prefix = "";
  String region = "";
  String service = "";
  String network_border_group = "";

  AWSIP._();

  factory AWSIP.parse(Map<String, dynamic> js, {required bool ipv6}) {
    AWSIP ip = AWSIP._();
    ip.ip_prefix = js["${ipv6 ? "ipv6_" : "ip_"}prefix"] as String;
    ip.region = js['region'] as String;
    ip.service = js['service'] as String;
    ip.network_border_group = js['network_border_group'] as String;

    return ip;
  }
}