Invalid argument(s): `text/plain` is not one of the supported values: application/json, application/x-www-form-urlencoded, multipart/form-data

[catalunha]

Consider this OpenAPI file: https://mwapp.biblingo.org/swagger/v1/swagger.json
It generates this error:

catalunha@pop-os:~/apps/tests/swagger_retrofit_test$ dart run swagger_to_dart
Invalid argument(s): `text/plain` is not one of the supported values: application/json, application/x-www-form-urlencoded, multipart/form-data
#0      $enumDecode (package:json_annotation/src/enum_helpers.dart:83:5)
#1      _$OpenApiPathMethodResponseFromJson.<anonymous closure> (package:swagger_to_dart/src/schema/openapi/v3/open_api_paths.g.dart:103:28)
#2      MapBase.map (dart:collection/maps.dart:82:28)
#3      _$OpenApiPathMethodResponseFromJson (package:swagger_to_dart/src/schema/openapi/v3/open_api_paths.g.dart:102:60)
#4      new OpenApiPathMethodResponse.fromJson (package:swagger_to_dart/src/schema/openapi/v3/open_api_paths.dart:77:7)
#5      _$OpenApiPathMethodFromJson.<anonymous closure> (package:swagger_to_dart/src/schema/openapi/v3/open_api_paths.g.dart:31:42)
#6      MapBase.map (dart:collection/maps.dart:82:28)
#7      _$OpenApiPathMethodFromJson (package:swagger_to_dart/src/schema/openapi/v3/open_api_paths.g.dart:29:64)
#8      new OpenApiPathMethod.fromJson (package:swagger_to_dart/src/schema/openapi/v3/open_api_paths.dart:43:7)
#9      _$OpenApiFromJson.<anonymous closure>.<anonymous closure> (package:swagger_to_dart/src/schema/openapi/v3/open_api.g.dart:22:37)
#10     MapBase.map (dart:collection/maps.dart:82:28)
#11     _$OpenApiFromJson.<anonymous closure> (package:swagger_to_dart/src/schema/openapi/v3/open_api.g.dart:20:41)
#12     MapBase.map (dart:collection/maps.dart:82:28)
#13     _$OpenApiFromJson (package:swagger_to_dart/src/schema/openapi/v3/open_api.g.dart:17:56)
#14     new OpenApi.fromJson (package:swagger_to_dart/src/schema/openapi/v3/open_api.dart:28:7)
#15     GenerationContextBuilder._loadOpenApi (package:swagger_to_dart/src/config/generation_context.dart:186:20)
<asynchronous suspension>
#16     GenerationContextBuilder.build (package:swagger_to_dart/src/config/generation_context.dart:97:21)
<asynchronous suspension>
#17     main (file:///home/catalunha/.pub-cache/hosted/pub.dev/swagger_to_dart-3.4.0/bin/swagger_to_dart.dart:13:39)
<asynchronous suspension>