diff --git a/packages/dynamite/dynamite/lib/dynamite.dart b/packages/dynamite/dynamite/lib/dynamite.dart
index c5397acb..ae668694 100644
--- a/packages/dynamite/dynamite/lib/dynamite.dart
+++ b/packages/dynamite/dynamite/lib/dynamite.dart
@@ -9,13 +9,7 @@ import 'package:dynamite/src/models/open_api.dart';
 import 'package:dynamite/src/models/parameter.dart' as spec_parameter;
 import 'package:dynamite/src/models/path_item.dart';
 import 'package:dynamite/src/models/schema.dart';
-import 'package:intersperse/intersperse.dart';
+import 'package:dynamite/src/type_result/type_result.dart';
 import 'package:path/path.dart' as p;
 
 part 'src/openapi_builder.dart';
-part 'src/type_result/base.dart';
-part 'src/type_result/enum.dart';
-part 'src/type_result/list.dart';
-part 'src/type_result/map.dart';
-part 'src/type_result/object.dart';
-part 'src/type_result/type_result.dart';
diff --git a/packages/dynamite/dynamite/lib/src/openapi_builder.dart b/packages/dynamite/dynamite/lib/src/openapi_builder.dart
index e0d79198..bd3b550d 100644
--- a/packages/dynamite/dynamite/lib/src/openapi_builder.dart
+++ b/packages/dynamite/dynamite/lib/src/openapi_builder.dart
@@ -1228,10 +1228,10 @@ class State {
   State(this.prefix);
 
   final String prefix;
-  final resolvedTypes = <String>[];
-  final registeredJsonObjects = <String>[];
+  final resolvedTypes = <String>{};
+  final registeredJsonObjects = <String>{};
   final output = <Spec>[];
-  final resolvedTypeCombinations = <TypeResult>[];
+  final resolvedTypeCombinations = <TypeResult>{};
 }
 
 TypeResult resolveObject(
diff --git a/packages/dynamite/dynamite/lib/src/type_result/base.dart b/packages/dynamite/dynamite/lib/src/type_result/base.dart
index a9e93996..08a006ba 100644
--- a/packages/dynamite/dynamite/lib/src/type_result/base.dart
+++ b/packages/dynamite/dynamite/lib/src/type_result/base.dart
@@ -1,5 +1,6 @@
-part of '../../dynamite.dart';
+part of 'type_result.dart';
 
+@immutable
 class TypeResultBase extends TypeResult {
   TypeResultBase(
     super.name, {
diff --git a/packages/dynamite/dynamite/lib/src/type_result/enum.dart b/packages/dynamite/dynamite/lib/src/type_result/enum.dart
index 54e59a70..7ef627a0 100644
--- a/packages/dynamite/dynamite/lib/src/type_result/enum.dart
+++ b/packages/dynamite/dynamite/lib/src/type_result/enum.dart
@@ -1,5 +1,6 @@
-part of '../../dynamite.dart';
+part of 'type_result.dart';
 
+@immutable
 class TypeResultEnum extends TypeResult {
   TypeResultEnum(
     super.name,
@@ -27,4 +28,15 @@ class TypeResultEnum extends TypeResult {
 
   @override
   String decode(final String object) => subType.decode(object);
+
+  @override
+  bool operator ==(final Object other) =>
+      other is TypeResultEnum &&
+      other.className == className &&
+      other.generics == generics &&
+      other.nullable == nullable &&
+      other.subType == subType;
+
+  @override
+  int get hashCode => className.hashCode + generics.hashCode + nullable.hashCode + subType.hashCode;
 }
diff --git a/packages/dynamite/dynamite/lib/src/type_result/list.dart b/packages/dynamite/dynamite/lib/src/type_result/list.dart
index db00cff9..2034436e 100644
--- a/packages/dynamite/dynamite/lib/src/type_result/list.dart
+++ b/packages/dynamite/dynamite/lib/src/type_result/list.dart
@@ -1,5 +1,6 @@
-part of '../../dynamite.dart';
+part of 'type_result.dart';
 
+@immutable
 class TypeResultList extends TypeResult {
   TypeResultList(
     super.name,
@@ -27,4 +28,15 @@ class TypeResultList extends TypeResult {
 
   @override
   TypeResultList get dartType => TypeResultList('List', subType, nullable: nullable);
+
+  @override
+  bool operator ==(final Object other) =>
+      other is TypeResultList &&
+      other.className == className &&
+      other.generics == generics &&
+      other.nullable == nullable &&
+      other.subType == subType;
+
+  @override
+  int get hashCode => className.hashCode + generics.hashCode + nullable.hashCode + subType.hashCode;
 }
diff --git a/packages/dynamite/dynamite/lib/src/type_result/map.dart b/packages/dynamite/dynamite/lib/src/type_result/map.dart
index 6e0efdcc..0050354d 100644
--- a/packages/dynamite/dynamite/lib/src/type_result/map.dart
+++ b/packages/dynamite/dynamite/lib/src/type_result/map.dart
@@ -1,5 +1,6 @@
-part of '../../dynamite.dart';
+part of 'type_result.dart';
 
+@immutable
 class TypeResultMap extends TypeResult {
   TypeResultMap(
     super.name,
@@ -14,4 +15,15 @@ class TypeResultMap extends TypeResult {
 
   @override
   TypeResultMap get dartType => TypeResultMap('Map', subType, nullable: nullable);
+
+  @override
+  bool operator ==(final Object other) =>
+      other is TypeResultMap &&
+      other.className == className &&
+      other.generics == generics &&
+      other.nullable == nullable &&
+      other.subType == subType;
+
+  @override
+  int get hashCode => className.hashCode + generics.hashCode + nullable.hashCode + subType.hashCode;
 }
diff --git a/packages/dynamite/dynamite/lib/src/type_result/object.dart b/packages/dynamite/dynamite/lib/src/type_result/object.dart
index c93c049c..b6f94bc3 100644
--- a/packages/dynamite/dynamite/lib/src/type_result/object.dart
+++ b/packages/dynamite/dynamite/lib/src/type_result/object.dart
@@ -1,7 +1,8 @@
-part of '../../dynamite.dart';
+part of 'type_result.dart';
 
 const _contentString = 'ContentString';
 
+@immutable
 class TypeResultObject extends TypeResult {
   TypeResultObject(
     super.className, {
diff --git a/packages/dynamite/dynamite/lib/src/type_result/type_result.dart b/packages/dynamite/dynamite/lib/src/type_result/type_result.dart
index 950fb70e..e295f758 100644
--- a/packages/dynamite/dynamite/lib/src/type_result/type_result.dart
+++ b/packages/dynamite/dynamite/lib/src/type_result/type_result.dart
@@ -1,5 +1,13 @@
-part of '../../dynamite.dart';
+import 'package:intersperse/intersperse.dart';
+import 'package:meta/meta.dart';
 
+part 'base.dart';
+part 'enum.dart';
+part 'list.dart';
+part 'map.dart';
+part 'object.dart';
+
+@immutable
 abstract class TypeResult {
   TypeResult(
     this.className, {
@@ -84,4 +92,11 @@ abstract class TypeResult {
   /// Native dart type equivalent
   // ignore: avoid_returning_this
   TypeResult get dartType => this;
+
+  @override
+  bool operator ==(final Object other) =>
+      other is TypeResult && other.className == className && other.generics == generics && other.nullable == nullable;
+
+  @override
+  int get hashCode => className.hashCode + generics.hashCode + nullable.hashCode;
 }
diff --git a/packages/dynamite/dynamite/pubspec.yaml b/packages/dynamite/dynamite/pubspec.yaml
index f8781950..0a134f6b 100644
--- a/packages/dynamite/dynamite/pubspec.yaml
+++ b/packages/dynamite/dynamite/pubspec.yaml
@@ -11,6 +11,7 @@ dependencies:
   dart_style: ^2.3.1
   intersperse: ^2.0.0
   json_annotation: ^4.8.1
+  meta: ^1.9.1
   path: ^1.8.3
 
 dev_dependencies:
diff --git a/packages/dynamite/dynamite/test/type_result_test.dart b/packages/dynamite/dynamite/test/type_result_test.dart
index 34ec95f4..903475f3 100644
--- a/packages/dynamite/dynamite/test/type_result_test.dart
+++ b/packages/dynamite/dynamite/test/type_result_test.dart
@@ -1,4 +1,4 @@
-import 'package:dynamite/dynamite.dart';
+import 'package:dynamite/src/type_result/type_result.dart';
 import 'package:test/test.dart';
 
 void main() {
diff --git a/packages/nextcloud/lib/src/nextcloud.openapi.dart b/packages/nextcloud/lib/src/nextcloud.openapi.dart
index 83bb5cd1..6635d88a 100644
--- a/packages/nextcloud/lib/src/nextcloud.openapi.dart
+++ b/packages/nextcloud/lib/src/nextcloud.openapi.dart
@@ -5182,20 +5182,14 @@ final Serializers serializers = (_$serializers.toBuilder()
       ..addBuilderFactory(const FullType(NextcloudCoreAutocompleteResult), NextcloudCoreAutocompleteResult.new)
       ..addBuilderFactory(const FullType(NextcloudNewsSupportedAPIVersions), NextcloudNewsSupportedAPIVersions.new)
       ..addBuilderFactory(const FullType(NextcloudNewsListFolders), NextcloudNewsListFolders.new)
-      ..addBuilderFactory(const FullType(NextcloudNewsListFolders), NextcloudNewsListFolders.new)
-      ..addBuilderFactory(const FullType(NextcloudNewsListFeeds), NextcloudNewsListFeeds.new)
       ..addBuilderFactory(const FullType(NextcloudNewsListFeeds), NextcloudNewsListFeeds.new)
       ..addBuilderFactory(const FullType(NextcloudNewsListArticles), NextcloudNewsListArticles.new)
-      ..addBuilderFactory(const FullType(NextcloudNewsListArticles), NextcloudNewsListArticles.new)
       ..addBuilderFactory(const FullType(NextcloudNotesNote), NextcloudNotesNote.new)
       ..addBuilderFactory(
         const FullType(BuiltList, [FullType(NextcloudNotesNote)]),
         ListBuilder<NextcloudNotesNote>.new,
       )
       ..addBuilderFactory(const FullType(NextcloudNotesNote), NextcloudNotesNote.new)
-      ..addBuilderFactory(const FullType(NextcloudNotesNote), NextcloudNotesNote.new)
-      ..addBuilderFactory(const FullType(NextcloudNotesNote), NextcloudNotesNote.new)
-      ..addBuilderFactory(const FullType(NextcloudNotesSettings), NextcloudNotesSettings.new)
       ..addBuilderFactory(const FullType(NextcloudNotesSettings), NextcloudNotesSettings.new)
       ..addBuilderFactory(
         const FullType(NextcloudNotificationsListNotifications),
@@ -5210,8 +5204,6 @@ final Serializers serializers = (_$serializers.toBuilder()
         const FullType(NextcloudNotificationsPushServerRegistration),
         NextcloudNotificationsPushServerRegistration.new,
       )
-      ..addBuilderFactory(const FullType(NextcloudEmptyOCS), NextcloudEmptyOCS.new)
-      ..addBuilderFactory(const FullType(NextcloudProvisioningApiUser), NextcloudProvisioningApiUser.new)
       ..addBuilderFactory(const FullType(NextcloudProvisioningApiUser), NextcloudProvisioningApiUser.new)
       ..addBuilderFactory(
         const FullType(NextcloudUnifiedPushProviderCheckResponse200ApplicationJson),
@@ -5263,9 +5255,6 @@ final Serializers serializers = (_$serializers.toBuilder()
       )
       ..addBuilderFactory(const FullType(NextcloudUserStatusGetPublicStatus), NextcloudUserStatusGetPublicStatus.new)
       ..addBuilderFactory(const FullType(NextcloudUserStatusGetStatus), NextcloudUserStatusGetStatus.new)
-      ..addBuilderFactory(const FullType(NextcloudUserStatusGetStatus), NextcloudUserStatusGetStatus.new)
-      ..addBuilderFactory(const FullType(NextcloudUserStatusGetStatus), NextcloudUserStatusGetStatus.new)
-      ..addBuilderFactory(const FullType(NextcloudUserStatusGetStatus), NextcloudUserStatusGetStatus.new)
       ..addBuilderFactory(
         const FullType(NextcloudUserStatusPredefinedStatuses),
         NextcloudUserStatusPredefinedStatuses.new,