$(DotNetRestoreSources) $(RestoreSources); https://dotnet.myget.org/F/aspnet-2-0-2-october2017-patch/api/v3/index.json; https://dotnet.myget.org/F/aspnetcore-master/api/v3/index.json; https://dotnet.myget.org/F/aspnetcore-tools/api/v3/index.json; https://api.nuget.org/v3/index.json;