ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

Avoid unsealed attributes (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1813)

Abstract type 'ExternalServiceFactAttribute' should not have public constructors (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1012)

Remove the underscores from member name LeanCode.Test.Helpers.LongRunningFactTest.Long_running_test() (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1707)

Dereference of a possibly null reference.

Dereference of a possibly null reference.

In externally visible method 'void SuggestCommandsHaveValidators.Initialize(AnalysisContext context)', validate parameter 'context' is non-null before using it. If appropriate, throw an 'ArgumentNullException' when the argument is 'null'. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1062)

In externally visible method 'void CancellationTokensShouldFollowNamingConvention.Initialize(AnalysisContext context)', validate parameter 'context' is non-null before using it. If appropriate, throw an 'ArgumentNullException' when the argument is 'null'. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1062)

In externally visible method 'void Helpers.InsertNamespaceDirective(DocumentEditor editor, SyntaxNode root, string namespaceName)', validate parameter 'root' is non-null before using it. If appropriate, throw an 'ArgumentNullException' when the argument is 'null'. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1062)

In externally visible method 'void Helpers.InsertNamespaceDirective(DocumentEditor editor, SyntaxNode root, string namespaceName)', validate parameter 'editor' is non-null before using it. If appropriate, throw an 'ArgumentNullException' when the argument is 'null'. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1062)