diff --git a/packages/dynamite/dynamite/lib/src/models/type_result/base.dart b/packages/dynamite/dynamite/lib/src/models/type_result/base.dart
index fe9df7f2..aa58e38c 100644
--- a/packages/dynamite/dynamite/lib/src/models/type_result/base.dart
+++ b/packages/dynamite/dynamite/lib/src/models/type_result/base.dart
@@ -21,37 +21,29 @@ class TypeResultBase extends TypeResult {
     final String object, {
     final bool onlyChildren = false,
     final String? mimeType,
-  }) =>
-      name == 'String' ? object : '$object.toString()';
-
-  @override
-  String deserialize(final String object, {final bool toBuilder = false}) => '($object as $nullableName)';
-
-  @override
-  String decode(final String object) {
-    switch (name) {
-      case 'String':
-        return '($object as String)';
-      case 'int':
-        return 'int.parse($object as String)';
-      case 'bool':
-        return "($object as String == 'true')";
-      case 'JsonObject':
-        return 'JsonObject($object)';
+  }) {
+    switch (mimeType) {
+      case null:
+      case 'application/json':
+      case 'application/x-www-form-urlencoded':
+        if (className == 'String') {
+          return object;
+        } else {
+          return '$object.toString()';
+        }
+      case 'application/octet-stream':
+        return 'utf8.encode($object) as Uint8List';
       default:
-        throw Exception('Can not decode "$name" from String');
+        throw Exception('Can not encode mime type "$mimeType"');
     }
   }
 
   @override
   TypeResultBase get dartType {
-    final String dartName;
-    switch (name) {
-      case 'JsonObject':
-        dartName = 'dynamic';
-      default:
-        dartName = name;
-    }
+    final dartName = switch (name) {
+      'JsonObject' => 'dynamic',
+      _ => name,
+    };
 
     return TypeResultBase(dartName, nullable: nullable);
   }
diff --git a/packages/dynamite/dynamite/lib/src/models/type_result/type_result.dart b/packages/dynamite/dynamite/lib/src/models/type_result/type_result.dart
index 7067ddfc..db2c66ef 100644
--- a/packages/dynamite/dynamite/lib/src/models/type_result/type_result.dart
+++ b/packages/dynamite/dynamite/lib/src/models/type_result/type_result.dart
@@ -8,7 +8,7 @@ part 'map.dart';
 part 'object.dart';
 
 @immutable
-abstract class TypeResult {
+sealed class TypeResult {
   TypeResult(
     this.className, {
     this.generics = const [],
diff --git a/packages/nextcloud/lib/src/api/core.openapi.dart b/packages/nextcloud/lib/src/api/core.openapi.dart
index 8b2086fd..85b655c8 100644
--- a/packages/nextcloud/lib/src/api/core.openapi.dart
+++ b/packages/nextcloud/lib/src/api/core.openapi.dart
@@ -1,5 +1,6 @@
 // ignore_for_file: camel_case_types
 // ignore_for_file: public_member_api_docs
+import 'dart:convert';
 import 'dart:typed_data';
 
 import 'package:built_collection/built_collection.dart';
@@ -2111,7 +2112,10 @@ class CoreWipeClient {
       body,
     );
     if (response.statusCode == 200 || response.statusCode == 404) {
-      return JsonObject(await response.body);
+      return _jsonSerializers.deserialize(
+        json.decode(await response.body),
+        specifiedType: const FullType(JsonObject),
+      )! as JsonObject;
     }
     throw await CoreApiException.fromResponse(response); // coverage:ignore-line
   }
@@ -2630,7 +2634,8 @@ class _$CoreAvatarAvatarGetAvatarDarkHeadersSerializer
       final value = iterator.current! as String;
       switch (key) {
         case 'x-nc-iscustomavatar':
-          result.xNcIscustomavatar = int.parse(value);
+          result.xNcIscustomavatar =
+              _jsonSerializers.deserialize(json.decode(value), specifiedType: const FullType(int))! as int;
       }
     }
 
@@ -2703,7 +2708,8 @@ class _$CoreAvatarAvatarGetAvatarHeadersSerializer implements StructuredSerializ
       final value = iterator.current! as String;
       switch (key) {
         case 'x-nc-iscustomavatar':
-          result.xNcIscustomavatar = int.parse(value);
+          result.xNcIscustomavatar =
+              _jsonSerializers.deserialize(json.decode(value), specifiedType: const FullType(int))! as int;
       }
     }
 
@@ -3587,10 +3593,10 @@ class _$CoreNavigationEntry_OrderSerializer implements PrimitiveSerializer<CoreN
   }) {
     final result = CoreNavigationEntry_OrderBuilder()..data = JsonObject(data);
     try {
-      result._$int = data as int?;
+      result._$int = _jsonSerializers.deserialize(data, specifiedType: const FullType(int))! as int;
     } catch (_) {}
     try {
-      result._string = data as String?;
+      result._string = _jsonSerializers.deserialize(data, specifiedType: const FullType(String))! as String;
     } catch (_) {}
     assert([result._$int, result._string].where((final x) => x != null).isNotEmpty, 'Need oneOf for ${result._data}');
     return result.build();
@@ -3837,7 +3843,10 @@ class _$CoreOcmOcmDiscoveryHeadersSerializer implements StructuredSerializer<Cor
       final value = iterator.current! as String;
       switch (key) {
         case 'x-nextcloud-ocm-providers':
-          result.xNextcloudOcmProviders = (value == 'true');
+          result.xNextcloudOcmProviders = _jsonSerializers.deserialize(
+            json.decode(value),
+            specifiedType: const FullType(bool),
+          )! as bool;
       }
     }
 
@@ -7473,10 +7482,10 @@ class _$CoreUnifiedSearchSearchCursorSerializer implements PrimitiveSerializer<C
   }) {
     final result = CoreUnifiedSearchSearchCursorBuilder()..data = JsonObject(data);
     try {
-      result._$int = data as int?;
+      result._$int = _jsonSerializers.deserialize(data, specifiedType: const FullType(int))! as int;
     } catch (_) {}
     try {
-      result._string = data as String?;
+      result._string = _jsonSerializers.deserialize(data, specifiedType: const FullType(String))! as String;
     } catch (_) {}
     assert([result._$int, result._string].where((final x) => x != null).isNotEmpty, 'Need oneOf for ${result._data}');
     return result.build();
@@ -7569,10 +7578,10 @@ class _$CoreUnifiedSearchResult_CursorSerializer implements PrimitiveSerializer<
   }) {
     final result = CoreUnifiedSearchResult_CursorBuilder()..data = JsonObject(data);
     try {
-      result._$int = data as int?;
+      result._$int = _jsonSerializers.deserialize(data, specifiedType: const FullType(int))! as int;
     } catch (_) {}
     try {
-      result._string = data as String?;
+      result._string = _jsonSerializers.deserialize(data, specifiedType: const FullType(String))! as String;
     } catch (_) {}
     assert([result._$int, result._string].where((final x) => x != null).isNotEmpty, 'Need oneOf for ${result._data}');
     return result.build();
diff --git a/packages/nextcloud/lib/src/api/files_sharing.openapi.dart b/packages/nextcloud/lib/src/api/files_sharing.openapi.dart
index e1c07dfc..9368a709 100644
--- a/packages/nextcloud/lib/src/api/files_sharing.openapi.dart
+++ b/packages/nextcloud/lib/src/api/files_sharing.openapi.dart
@@ -1876,10 +1876,10 @@ class _$FilesSharingShareInfo_SizeSerializer implements PrimitiveSerializer<File
   }) {
     final result = FilesSharingShareInfo_SizeBuilder()..data = JsonObject(data);
     try {
-      result._$int = data as int?;
+      result._$int = _jsonSerializers.deserialize(data, specifiedType: const FullType(int))! as int;
     } catch (_) {}
     try {
-      result._$num = data as num?;
+      result._$num = _jsonSerializers.deserialize(data, specifiedType: const FullType(num))! as num;
     } catch (_) {}
     assert([result._$int, result._$num].where((final x) => x != null).isNotEmpty, 'Need oneOf for ${result._data}');
     return result.build();
@@ -1970,10 +1970,10 @@ class _$FilesSharingShare_ItemSizeSerializer implements PrimitiveSerializer<File
   }) {
     final result = FilesSharingShare_ItemSizeBuilder()..data = JsonObject(data);
     try {
-      result._$num = data as num?;
+      result._$num = _jsonSerializers.deserialize(data, specifiedType: const FullType(num))! as num;
     } catch (_) {}
     try {
-      result._$int = data as int?;
+      result._$int = _jsonSerializers.deserialize(data, specifiedType: const FullType(int))! as int;
     } catch (_) {}
     assert([result._$num, result._$int].where((final x) => x != null).isNotEmpty, 'Need oneOf for ${result._data}');
     return result.build();
@@ -2739,7 +2739,7 @@ class _$FilesSharingShareesapiSearchShareTypeSerializer
   }) {
     final result = FilesSharingShareesapiSearchShareTypeBuilder()..data = JsonObject(data);
     try {
-      result._$int = data as int?;
+      result._$int = _jsonSerializers.deserialize(data, specifiedType: const FullType(int))! as int;
     } catch (_) {}
     try {
       result._builtListInt = (_jsonSerializers.deserialize(
@@ -3540,7 +3540,7 @@ class _$FilesSharingShareesapiFindRecommendedShareTypeSerializer
   }) {
     final result = FilesSharingShareesapiFindRecommendedShareTypeBuilder()..data = JsonObject(data);
     try {
-      result._$int = data as int?;
+      result._$int = _jsonSerializers.deserialize(data, specifiedType: const FullType(int))! as int;
     } catch (_) {}
     try {
       result._builtListInt = (_jsonSerializers.deserialize(
diff --git a/packages/nextcloud/lib/src/api/provisioning_api.openapi.dart b/packages/nextcloud/lib/src/api/provisioning_api.openapi.dart
index bb60b0d7..04ac33f2 100644
--- a/packages/nextcloud/lib/src/api/provisioning_api.openapi.dart
+++ b/packages/nextcloud/lib/src/api/provisioning_api.openapi.dart
@@ -3190,10 +3190,10 @@ class _$ProvisioningApiGroupDetails_UsercountSerializer
   }) {
     final result = ProvisioningApiGroupDetails_UsercountBuilder()..data = JsonObject(data);
     try {
-      result._$bool = data as bool?;
+      result._$bool = _jsonSerializers.deserialize(data, specifiedType: const FullType(bool))! as bool;
     } catch (_) {}
     try {
-      result._$int = data as int?;
+      result._$int = _jsonSerializers.deserialize(data, specifiedType: const FullType(int))! as int;
     } catch (_) {}
     assert([result._$bool, result._$int].where((final x) => x != null).isNotEmpty, 'Need oneOf for ${result._data}');
     return result.build();
@@ -3250,10 +3250,10 @@ class _$ProvisioningApiGroupDetails_DisabledSerializer
   }) {
     final result = ProvisioningApiGroupDetails_DisabledBuilder()..data = JsonObject(data);
     try {
-      result._$bool = data as bool?;
+      result._$bool = _jsonSerializers.deserialize(data, specifiedType: const FullType(bool))! as bool;
     } catch (_) {}
     try {
-      result._$int = data as int?;
+      result._$int = _jsonSerializers.deserialize(data, specifiedType: const FullType(int))! as int;
     } catch (_) {}
     assert([result._$bool, result._$int].where((final x) => x != null).isNotEmpty, 'Need oneOf for ${result._data}');
     return result.build();
@@ -3600,13 +3600,13 @@ class _$ProvisioningApiUserDetailsQuota_QuotaSerializer
   }) {
     final result = ProvisioningApiUserDetailsQuota_QuotaBuilder()..data = JsonObject(data);
     try {
-      result._$num = data as num?;
+      result._$num = _jsonSerializers.deserialize(data, specifiedType: const FullType(num))! as num;
     } catch (_) {}
     try {
-      result._$int = data as int?;
+      result._$int = _jsonSerializers.deserialize(data, specifiedType: const FullType(int))! as int;
     } catch (_) {}
     try {
-      result._string = data as String?;
+      result._string = _jsonSerializers.deserialize(data, specifiedType: const FullType(String))! as String;
     } catch (_) {}
     assert(
       [result._$num, result._$int, result._string].where((final x) => x != null).isNotEmpty,
diff --git a/packages/nextcloud/lib/src/api/user_status.openapi.dart b/packages/nextcloud/lib/src/api/user_status.openapi.dart
index 96563011..904e89c5 100644
--- a/packages/nextcloud/lib/src/api/user_status.openapi.dart
+++ b/packages/nextcloud/lib/src/api/user_status.openapi.dart
@@ -766,7 +766,7 @@ class _$UserStatusClearAt_TimeSerializer implements PrimitiveSerializer<UserStat
   }) {
     final result = UserStatusClearAt_TimeBuilder()..data = JsonObject(data);
     try {
-      result._$int = data as int?;
+      result._$int = _jsonSerializers.deserialize(data, specifiedType: const FullType(int))! as int;
     } catch (_) {}
     try {
       result._clearAtTimeType = _jsonSerializers.deserialize(
@@ -1471,7 +1471,7 @@ class _$UserStatusUserStatusRevertStatusResponseApplicationJson_Ocs_DataSerializ
               .toBuilder();
     } catch (_) {}
     try {
-      result._jsonObject = data as JsonObject?;
+      result._jsonObject = _jsonSerializers.deserialize(data, specifiedType: const FullType(JsonObject))! as JsonObject;
     } catch (_) {}
     assert(
       [result._private, result._jsonObject].where((final x) => x != null).isNotEmpty,