Xamarin.Forms-Samples/Xamarin.Forms-Triggers/packages/repositories.config

<?xml version="1.0" encoding="utf-8"?>
<repositories>
  <repository path="..\Xamarin Triggers\Xamarin_Triggers.Android\packages.config" />
  <repository path="..\Xamarin Triggers\Xamarin_Triggers.iOS\packages.config" />
  <repository path="..\Xamarin Triggers\Xamarin_Triggers.WinPhone\packages.config" />
  <repository path="..\Xamarin Triggers\Xamarin_Triggers\packages.config" />
</repositories>