toJson method

Implementation

Map<String, dynamic> toJson() {
  final Map<String, dynamic> data = <String, dynamic>{};
  data['id'] = id;
  data['type'] = type;
  data['role'] = role;
  if (content != null) {
    data['content'] = content!.map((v) => v.toJson()).toList();
  }
  return data;
}