aspnetcore/tooling/Microsoft.VisualStudio.RazorExtension/project.json

{
  "frameworks": {
    "net46": {
      "dependencies": {
        "Microsoft.VisualStudio.ComponentModelHost": "15.0.26606",
        "Microsoft.VisualStudio.Shell.15.0": "15.0.26606",
        "Microsoft.VSSDK.BuildTools": "15.1.192"
      }
    }
  },
  "runtimes": {
    "win": { }
  }
}