True NuGet $(MSBuildThisFileDirectory)project.assets.json $(UserProfile)\.nuget\packages\ C:\Users\Administrator\.nuget\packages\;C:\Program Files (x86)\Microsoft Visual Studio\Shared\NuGetPackages;C:\Program Files\dotnet\sdk\NuGetFallbackFolder PackageReference 6.9.1 C:\Users\Administrator\.nuget\packages\xunit.analyzers\0.10.0 C:\Program Files\dotnet\sdk\NuGetFallbackFolder\microsoft.codeanalysis.analyzers\1.1.0 C:\Program Files\dotnet\sdk\NuGetFallbackFolder\microsoft.aspnetcore.razor.design\2.2.0