main function
void
main()
Implementation
void main() async {
List<MultiPointField> multiPointFields = [];
final jsonData = await File('./multipoint.json').readAsString().then((fileContents) => json.decode(fileContents));
for (var elem in jsonData) {
multiPointFields.add(MultiPointField.fromJson(Map<String, dynamic>.from(elem)));
}
print(multiPointFields);
}