случайно начал делать не в той ветке)

lib/data/dtos/bosses_dto.g.dart

@@ -0,0 +1,32 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'bosses_dto.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+BossesDto _$BossesDtoFromJson(Map<String, dynamic> json) => BossesDto(
+      data: (json['data'] as List<dynamic>?)
+          ?.map(
+              (e) => BossAttributesDataDto.fromJson(e as Map<String, dynamic>))
+          .toList(),
+    );
+
+BossesDataDto _$BossesDataDtoFromJson(Map<String, dynamic> json) =>
+    BossesDataDto(
+      id: json['id'] as String?,
+      type: json['type'] as String?,
+      attributes: json['attributes'] == null
+          ? null
+          : BossAttributesDataDto.fromJson(
+              json['attributes'] as Map<String, dynamic>),
+    );
+
+BossAttributesDataDto _$BossAttributesDataDtoFromJson(
+        Map<String, dynamic> json) =>
+    BossAttributesDataDto(
+      title: json['title'] as String?,
+      imageUrl: json['imageUrl'] as String?,
+      description: json['description'] as String?,
+    );