NuGet.config

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <packageSources>
    <clear />
    <!-- ensure only the sources defined below are used -->
    <add key="dotnet-eng" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json" protocolVersion="3" />
    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
    <add key="dotnet internal feed" value="https://dotnetfeed.blob.core.windows.net/dotnet-core/index.json" protocolVersion="3" />

     <!-- This is needed (currently) for the Xamarin.Android.Deploy.Installer dependency, getting the installer -->
     <!-- Android binary, to support delta APK install -->
     <add key="xamarin.android util" value="https://pkgs.dev.azure.com/xamarin/public/_packaging/Xamarin.Android/nuget/v3/index.json" />
  </packageSources>
  <config>
    <add key="globalPackagesFolder" value="packages" />
  </config>
</configuration>