<PackageReference Include="Microsoft.Extensions.DependencyModel" Version="11.0.0" />

System.Diagnostics.CodeAnalysis.NotNullAttribute

sealed class NotNullAttribute : Attribute
namespace System.Collections.Generic { } namespace System.Diagnostics.CodeAnalysis { internal sealed class NotNullAttribute : Attribute { public NotNullAttribute(); } } namespace System.Diagnostics.CodeAnalysis { } namespace System.Diagnostics.CodeAnalysis { }