XAMLator/SampleApp/XAMLator.SampleApp.Gtk/packages.config

<?xml version="1.0" encoding="utf-8"?>
<packages>
  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net47" />
  <package id="Xamarin.Forms" version="3.3.0.967583" targetFramework="net47" />
  <package id="Xamarin.Forms.Platform.GTK" version="3.0.0.446417" targetFramework="net47" />
</packages>