toJson method
Implementation
Map<String, dynamic> toJson() {
  final _resultData = <String, dynamic>{};
  final l$amount = amount;
  _resultData['amount'] = l$amount;
  final l$wallet = wallet;
  _resultData['wallet'] = l$wallet?.toJson();
  final l$$__typename = $__typename;
  _resultData['__typename'] = l$$__typename;
  return _resultData;
}