True NuGet $(MSBuildThisFileDirectory)project.assets.json $(UserProfile)\.nuget\packages\ C:\Users\class_student\.nuget\packages\;C:\Program Files (x86)\Microsoft Visual Studio\Shared\NuGetPackages PackageReference 6.9.2 C:\Users\class_student\.nuget\packages\microsoft.extensions.apidescription.server\6.0.5