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AspNetCore.Http.Abstractions is deprecated

While working on some class library code in C#, I noticed deprecation warnings in Visual Studio for the following NuGet packages:

A look at the NuGet website confirmed this:

But what now? It looked like that no alternative was mentioned anywhere…

I first tried to just remove these 2 packages but now my library no longer compiled!?

In the end I was able to solve it by adding a framework reference to Microsoft.AspNetCore.app inside the csproj file of my class library:

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