Support C# 11 again

Which doesn't have the 'ref readonly parameter' feature

Author: Yeah69

Main/CodeGeneration/DisposeUtility.cs

@@ -313,7 +313,7 @@ internal static class {{ClassName}}
             var awaitDisposalSourceReference = _referenceGenerator.Generate("awaitDisposalSource");
             code.AppendLine(
                 $$"""
-                  internal static void {{_releaseDisposeAsyncName}}(ref int {{disposedReference}}, ref readonly int {{resolutionCounterReference}}, {{_wellKnownTypes.TaskCompletionSourceOfInt.FullName()}} {{awaitDisposalSourceReference}})
+                  internal static void {{_releaseDisposeAsyncName}}(ref int {{disposedReference}}, ref int {{resolutionCounterReference}}, {{_wellKnownTypes.TaskCompletionSourceOfInt.FullName()}} {{awaitDisposalSourceReference}})
                   {
                       if ({{disposedReference}} == 0 || {{resolutionCounterReference}} > 0)
                           return;

MrMeeseeks.DIE.sln

@@ -26,6 +26,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TestInternalsVisibleToChild
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Test.NetStandard", "Test.NetStandard\Test.NetStandard.csproj", "{8DE05FB0-986F-402B-AE88-9B10D0EEA666}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Test.LowerLanguageVersion", "Test.LowerLanguageVersion\Test.LowerLanguageVersion.csproj", "{52CBDD79-E7C6-4511-8393-EA25758E51DF}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -60,6 +62,10 @@ Global
 		{8DE05FB0-986F-402B-AE88-9B10D0EEA666}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{8DE05FB0-986F-402B-AE88-9B10D0EEA666}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{8DE05FB0-986F-402B-AE88-9B10D0EEA666}.Release|Any CPU.Build.0 = Release|Any CPU
+		{52CBDD79-E7C6-4511-8393-EA25758E51DF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{52CBDD79-E7C6-4511-8393-EA25758E51DF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{52CBDD79-E7C6-4511-8393-EA25758E51DF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{52CBDD79-E7C6-4511-8393-EA25758E51DF}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Test.LowerLanguageVersion/AssemblyInfo.cs

@@ -0,0 +1,23 @@
+using MrMeeseeks.DIE.Configuration.Attributes;
+using MrMeeseeks.DIE.UserUtility;
+
+[assembly:ContainerInstanceAbstractionAggregation(typeof(IContainerInstance))]
+[assembly:TransientScopeInstanceAbstractionAggregation(typeof(ITransientScopeInstance))]
+[assembly:ScopeInstanceAbstractionAggregation(typeof(IScopeInstance))]
+[assembly:TransientScopeRootAbstractionAggregation(typeof(ITransientScopeRoot))]
+[assembly:ScopeRootAbstractionAggregation(typeof(IScopeRoot))]
+[assembly:TransientAbstractionAggregation(typeof(ITransient))]
+[assembly:SyncTransientAbstractionAggregation(typeof(ISyncTransient))]
+[assembly:AsyncTransientAbstractionAggregation(typeof(IAsyncTransient))]
+[assembly:DecoratorAbstractionAggregation(typeof(IDecorator<>))]
+[assembly:CompositeAbstractionAggregation(typeof(IComposite<>))]
+[assembly:Initializer(typeof(IInitializer), nameof(IInitializer.Initialize))]
+[assembly:Initializer(typeof(ITaskInitializer), nameof(ITaskInitializer.InitializeAsync))]
+[assembly:Initializer(typeof(IValueTaskInitializer), nameof(IValueTaskInitializer.InitializeAsync))]
+
+[assembly:InjectionKeyMapping(typeof(InjectionKeyAttribute))]
+[assembly:DecorationOrdinalMapping(typeof(DecorationOrdinalAttribute))]
+
+[assembly:AllImplementationsAggregation]
+
+[assembly:ErrorDescriptionInsteadOfBuildFailure]

Test.LowerLanguageVersion/Test.LowerLanguageVersion.csproj

@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net9.0</TargetFramework>
+        <Nullable>enable</Nullable>
+        <LangVersion>11</LangVersion>
+
+        <IsPackable>false</IsPackable>
+        <IsTestProject>true</IsTestProject>
+        <OutputType>Library</OutputType>
+
+        <RootNamespace>MrMeeseeks.DIE.Test.LowerLanguageVersion</RootNamespace>
+        <AssemblyName>MrMeeseeks.DIE.Test.LowerLanguageVersion</AssemblyName>
+        <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
+        <CompilerGeneratedFilesOutputPath>$(BaseIntermediateOutputPath)\GeneratedFiles</CompilerGeneratedFilesOutputPath>
+
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
+        <PackageReference Include="MrMeeseeks.DIE.UserUtility" Version="3.0.1" />
+        <PackageReference Include="xunit" Version="2.7.0" />
+    </ItemGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\Main\Main.csproj" OutputItemType="Analyzer" PrivateAssets="all"/>
+    </ItemGroup>
+
+</Project>

Test.LowerLanguageVersion/Vanilla.cs

@@ -0,0 +1,35 @@
+using MrMeeseeks.DIE.Configuration.Attributes;
+using MrMeeseeks.DIE.UserUtility;
+using Xunit;
+
+// ReSharper disable once CheckNamespace
+namespace MrMeeseeks.DIE.Test.NetStandard.Vanilla
+{
+    internal class Dependency {}
+
+    internal class Parent : IScopeRoot
+    {
+        internal Parent(
+            Dependency dependency)
+        {
+        
+        }
+    }
+
+    [CreateFunction(typeof(Parent), "Create")]
+    internal sealed partial class Container
+    {
+        [CustomScopeForRootTypes(typeof(Parent))]
+        private sealed partial class DIE_Scope_Parent{}
+    }
+
+    public class Tests
+    {
+        [Fact]
+        public void Test()
+        {
+            //using var container = Container.DIE_CreateContainer();
+            //var instance = container.Create();
+        }
+    }
+}