import 'package:json_annotation/json_annotation.dart'; part 'chain_asset.g.dart'; @JsonSerializable() class ChainAssetDTO { final String chain; final String tokenSymbol; const ChainAssetDTO({ required this.chain, required this.tokenSymbol, }); factory ChainAssetDTO.fromJson(Map json) => _$ChainAssetDTOFromJson(json); Map toJson() => _$ChainAssetDTOToJson(this); }