toJson method Null safety
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = Map<String, dynamic>();
data["marginRight"] = marginRight;
data["marginTop"] = marginTop;
return data;
}
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = Map<String, dynamic>();
data["marginRight"] = marginRight;
data["marginTop"] = marginTop;
return data;
}