True NuGet $(MSBuildThisFileDirectory)project.assets.json $(UserProfile)\.nuget\packages\ C:\Users\gr601_govvi\.nuget\packages\;C:\Program Files (x86)\Microsoft Visual Studio\Shared\NuGetPackages;C:\Program Files (x86)\Microsoft\Xamarin\NuGet\;C:\Program Files\dotnet\sdk\NuGetFallbackFolder PackageReference 5.9.1 $(MSBuildAllProjects);$(MSBuildThisFileFullPath) C:\Program Files\dotnet\sdk\NuGetFallbackFolder\newtonsoft.json\10.0.1