import 'dart:convert'; // ignore_for_file: public_member_api_docs, sort_constructors_first class City { final String name; final int count; final String image; City({ required this.name, required this.count, required this.image, }); @override String toString() => 'City(name: $name, count: $count, image: $image)'; City copyWith({String? name, int? count, String? image}) { return City( name: name ?? this.name, count: count ?? this.count, image: image ?? this.image); } Map toMap() { return {'City': name, 'Count': count, "image": image}; } factory City.fromMap(Map map) { return City( name: map['City'] as String, count: map['Count'] as int, image: map['image']); } String toJson() => json.encode(toMap()); factory City.fromJson(String source) => City.fromMap(json.decode(source) as Map); }