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

<?xml version="1.0" encoding="utf-8"?>
<repositories>
  <repository path="..\XamarinConditionalXAML\XamarinConditionalXAML.Droid\packages.config" />
  <repository path="..\XamarinConditionalXAML\XamarinConditionalXAML.iOS\packages.config" />
  <repository path="..\XamarinConditionalXAML\XamarinConditionalXAML.WinPhone\packages.config" />
  <repository path="..\XamarinConditionalXAML\XamarinConditionalXAML\packages.config" />
</repositories>