Renamed the project to Umbraco.PublishedCache.NuCache - and move non NuCache related stuff to abstractions and infrastructure.

src/Umbraco.PublishedCache.NuCache/Snap/GenRef.cs

@@ -0,0 +1,13 @@
+namespace Umbraco.Web.PublishedCache.NuCache.Snap
+{
+    internal class GenRef
+    {
+        public GenRef(GenObj genObj)
+        {
+            GenObj = genObj;
+        }
+
+        public readonly GenObj GenObj;
+        public long Gen => GenObj.Gen;
+    }
+}