C#: Update generated .NET 9 Runtime models.

[michaelnebel]

In this PR we update the generated .NET 9 Runtime models.
There are two commits updating the models

• In the first commit the .NET 9 Runtime models are updated as is, without any changes to the model generator (as some manual models have been added and changes has been made to the data flow library, since the last .NET 9 model generation).
• In the second commit, we use the changes implemented on C#: Correct printing of returns via out/ref parameters in model generation. #19114 which leads to some model changes
  • Some changes to summaries are trivial in the sense that ReturnValue is changed to Argument[...] (as expected).
  • Some summaries have disappeared (for ref parameters), which is also expected, in case they were just created due to a use of a ref parameter. An example of this, is the summary of System.Buffers.ReadOnlySequence<T>.TryGet.

[github-actions]

⚠️ The head of this PR and the base branch were compared for differences in the framework coverage reports. The generated reports are available in the artifacts of this workflow run. The differences will be picked up by the nightly job after the PR gets merged.

Click to show differences in coverage

csharp

Generated file changes for csharp

• Changes to framework-coverage-csharp.rst:

-    System,"``System.*``, ``System``",47,12255,54,5
+    System,"``System.*``, ``System``",47,12111,54,5
-    Others,"``Amazon.Lambda.APIGatewayEvents``, ``Amazon.Lambda.Core``, ``Dapper``, ``ILCompiler``, ``ILLink.RoslynAnalyzer``, ``ILLink.Shared``, ``ILLink.Tasks``, ``Internal.IL``, ``Internal.Pgo``, ``Internal.TypeSystem``, ``Microsoft.ApplicationBlocks.Data``, ``Microsoft.AspNetCore.Components``, ``Microsoft.AspNetCore.Http``, ``Microsoft.AspNetCore.Mvc``, ``Microsoft.AspNetCore.WebUtilities``, ``Microsoft.CSharp``, ``Microsoft.Diagnostics.Tools.Pgo``, ``Microsoft.DotNet.Build.Tasks``, ``Microsoft.DotNet.PlatformAbstractions``, ``Microsoft.EntityFrameworkCore``, ``Microsoft.Extensions.Caching.Distributed``, ``Microsoft.Extensions.Caching.Memory``, ``Microsoft.Extensions.Configuration``, ``Microsoft.Extensions.DependencyInjection``, ``Microsoft.Extensions.DependencyModel``, ``Microsoft.Extensions.Diagnostics.Metrics``, ``Microsoft.Extensions.FileProviders``, ``Microsoft.Extensions.FileSystemGlobbing``, ``Microsoft.Extensions.Hosting``, ``Microsoft.Extensions.Http``, ``Microsoft.Extensions.Logging``, ``Microsoft.Extensions.Options``, ``Microsoft.Extensions.Primitives``, ``Microsoft.Interop``, ``Microsoft.JSInterop``, ``Microsoft.NET.Build.Tasks``, ``Microsoft.VisualBasic``, ``Microsoft.Win32``, ``Mono.Linker``, ``MySql.Data.MySqlClient``, ``Newtonsoft.Json``, ``SourceGenerators``, ``Windows.Security.Cryptography.Core``",60,2272,152,4
+    Others,"``Amazon.Lambda.APIGatewayEvents``, ``Amazon.Lambda.Core``, ``Dapper``, ``ILCompiler``, ``ILLink.RoslynAnalyzer``, ``ILLink.Shared``, ``ILLink.Tasks``, ``Internal.IL``, ``Internal.Pgo``, ``Internal.TypeSystem``, ``Microsoft.ApplicationBlocks.Data``, ``Microsoft.AspNetCore.Components``, ``Microsoft.AspNetCore.Http``, ``Microsoft.AspNetCore.Mvc``, ``Microsoft.AspNetCore.WebUtilities``, ``Microsoft.CSharp``, ``Microsoft.Diagnostics.Tools.Pgo``, ``Microsoft.DotNet.Build.Tasks``, ``Microsoft.DotNet.PlatformAbstractions``, ``Microsoft.EntityFrameworkCore``, ``Microsoft.Extensions.Caching.Distributed``, ``Microsoft.Extensions.Caching.Memory``, ``Microsoft.Extensions.Configuration``, ``Microsoft.Extensions.DependencyInjection``, ``Microsoft.Extensions.DependencyModel``, ``Microsoft.Extensions.Diagnostics.Metrics``, ``Microsoft.Extensions.FileProviders``, ``Microsoft.Extensions.FileSystemGlobbing``, ``Microsoft.Extensions.Hosting``, ``Microsoft.Extensions.Http``, ``Microsoft.Extensions.Logging``, ``Microsoft.Extensions.Options``, ``Microsoft.Extensions.Primitives``, ``Microsoft.Interop``, ``Microsoft.JSInterop``, ``Microsoft.NET.Build.Tasks``, ``Microsoft.VisualBasic``, ``Microsoft.Win32``, ``Mono.Linker``, ``MySql.Data.MySqlClient``, ``Newtonsoft.Json``, ``SourceGenerators``, ``Windows.Security.Cryptography.Core``",60,2252,152,4
-    Totals,,107,14534,400,9
+    Totals,,107,14370,400,9

• Changes to framework-coverage-csharp.csv:

- Internal.TypeSystem,,,345,,,,,,,,,,,,,,,,,,,205,140
+ Internal.TypeSystem,,,342,,,,,,,,,,,,,,,,,,,205,137
- Microsoft.Diagnostics.Tools.Pgo,,,23,,,,,,,,,,,,,,,,,,,,23
+ Microsoft.Diagnostics.Tools.Pgo,,,21,,,,,,,,,,,,,,,,,,,,21
- Microsoft.Extensions.Configuration,,3,123,,,,,,,,,,,,,3,,,,,,40,83
+ Microsoft.Extensions.Configuration,,3,118,,,,,,,,,,,,,3,,,,,,41,77
- Microsoft.Extensions.Primitives,,,76,,,,,,,,,,,,,,,,,,,67,9
+ Microsoft.Extensions.Primitives,,,75,,,,,,,,,,,,,,,,,,,68,7
- Microsoft.VisualBasic,,,13,,,,,,,,,,,,,,,,,,,1,12
+ Microsoft.VisualBasic,,,6,,,,,,,,,,,,,,,,,,,1,5
- Mono.Linker,,,280,,,,,,,,,,,,,,,,,,,129,151
+ Mono.Linker,,,278,,,,,,,,,,,,,,,,,,,130,148
- System,54,47,12255,,6,5,5,,,4,1,,33,2,,6,15,17,4,3,,5955,6300
+ System,54,47,12111,,6,5,5,,,4,1,,33,2,,6,15,17,4,3,,5993,6118

[michaelnebel]

DCA looks good!

[Copilot]

Pull Request Overview

This pull request updates the generated .NET 9 Runtime models and adds a corresponding change note.

• Updates the .NET 9 Runtime models without changes to the model generator
• Applies changes from a previous commit to adjust summaries for out/ref parameters

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