fix lints on toJson

lib/src/open_api/index.freezed.dart

@@ -11297,6 +11297,10 @@ abstract class _SchemaMap extends Schema {
       throw _privateConstructorUsedError;
 }
 
+Security _$SecurityFromJson(Map<String, dynamic> json) {
+  return _Security.fromJson(json);
+}
+
 /// @nodoc
 mixin _$Security {
   /// Each name must correspond to a security scheme which is declared
@@ -11322,7 +11326,7 @@ mixin _$Security {
     required TResult orElse(),
   }) =>
       throw _privateConstructorUsedError;
-
+  Map<String, dynamic> toJson() => throw _privateConstructorUsedError;
   @JsonKey(ignore: true)
   $SecurityCopyWith<Security> get copyWith =>
       throw _privateConstructorUsedError;
@@ -11404,12 +11408,15 @@ class __$$SecurityImplCopyWithImpl<$Res>
 }
 
 /// @nodoc
-
+@JsonSerializable()
 class _$SecurityImpl extends _Security {
   const _$SecurityImpl({this.name, final List<String> scopes = const []})
       : _scopes = scopes,
         super._();
 
+  factory _$SecurityImpl.fromJson(Map<String, dynamic> json) =>
+      _$$SecurityImplFromJson(json);
+
   /// Each name must correspond to a security scheme which is declared
   /// in the [Components.securitySchemes] list
   @override
@@ -11441,6 +11448,7 @@ class _$SecurityImpl extends _Security {
             const DeepCollectionEquality().equals(other._scopes, _scopes));
   }
 
+  @JsonKey(ignore: true)
   @override
   int get hashCode => Object.hash(
       runtimeType, name, const DeepCollectionEquality().hash(_scopes));
@@ -11478,13 +11486,23 @@ class _$SecurityImpl extends _Security {
     }
     return orElse();
   }
+
+  @override
+  Map<String, dynamic> toJson() {
+    return _$$SecurityImplToJson(
+      this,
+    );
+  }
 }
 
 abstract class _Security extends Security {
   const factory _Security({final String? name, final List<String> scopes}) =
       _$SecurityImpl;
   const _Security._() : super._();
 
+  factory _Security.fromJson(Map<String, dynamic> json) =
+      _$SecurityImpl.fromJson;
+
   @override
 
   /// Each name must correspond to a security scheme which is declared
@@ -12953,6 +12971,10 @@ abstract class _ServerVariable implements ServerVariable {
       throw _privateConstructorUsedError;
 }
 
+OpenApi _$OpenApiFromJson(Map<String, dynamic> json) {
+  return _OpenApi.fromJson(json);
+}
+
 /// @nodoc
 mixin _$OpenApi {
   /// This string must be the version number of the
@@ -13026,7 +13048,7 @@ mixin _$OpenApi {
     required TResult orElse(),
   }) =>
       throw _privateConstructorUsedError;
-
+  Map<String, dynamic> toJson() => throw _privateConstructorUsedError;
   @JsonKey(ignore: true)
   $OpenApiCopyWith<OpenApi> get copyWith => throw _privateConstructorUsedError;
 }
@@ -13261,7 +13283,7 @@ class __$$OpenApiImplCopyWithImpl<$Res>
 }
 
 /// @nodoc
-
+@JsonSerializable()
 class _$OpenApiImpl extends _OpenApi {
   const _$OpenApiImpl(
       {@JsonKey(name: 'openapi') this.version = '3.0.3',
@@ -13283,6 +13305,9 @@ class _$OpenApiImpl extends _OpenApi {
         _extraSchemaMapping = extraSchemaMapping,
         super._();
 
+  factory _$OpenApiImpl.fromJson(Map<String, dynamic> json) =>
+      _$$OpenApiImplFromJson(json);
+
   /// This string must be the version number of the
   /// OpenAPI Specification that the OpenAPI document uses.
   /// This is not related to the API [Info.version] string.
@@ -13443,6 +13468,7 @@ class _$OpenApiImpl extends _OpenApi {
                 .equals(other._extraSchemaMapping, _extraSchemaMapping));
   }
 
+  @JsonKey(ignore: true)
   @override
   int get hashCode => Object.hash(
       runtimeType,
@@ -13491,6 +13517,13 @@ class _$OpenApiImpl extends _OpenApi {
     }
     return orElse();
   }
+
+  @override
+  Map<String, dynamic> toJson() {
+    return _$$OpenApiImplToJson(
+      this,
+    );
+  }
 }
 
 abstract class _OpenApi extends OpenApi {
@@ -13508,6 +13541,8 @@ abstract class _OpenApi extends OpenApi {
       final Map<String, List<String>> extraSchemaMapping}) = _$OpenApiImpl;
   const _OpenApi._() : super._();
 
+  factory _OpenApi.fromJson(Map<String, dynamic> json) = _$OpenApiImpl.fromJson;
+
   @override
 
   /// This string must be the version number of the

lib/src/open_api/security.dart

@@ -33,6 +33,7 @@ class Security with _$Security {
         }
       });
 
+  @override
   Map<String, dynamic> toJson() {
     if (name == null) {
       return {};

lib/src/open_api/spec.dart

@@ -235,6 +235,7 @@ class OpenApi with _$OpenApi {
   // ------------------------------------------
 
   /// Convert the [OpenApi] object to a JSON spec representation
+  @override
   Map<String, dynamic> toJson() {
     if (paths == null && components == null && webhooks == null) {
       throw Exception(