From 53eea1257250ef518bef6e182e9d02974c6efeaf Mon Sep 17 00:00:00 2001
From: Ian Gulliver { name: "foo", readable_only_by: "XXXprofileXXX" }{ name: "foo", writable_only_by: "YYYprofileYYY" }{ name: "foo", readable_only_by: "XXXprofileXXX", writable_only_by: "YYYprofileYYY" }{ name: "foo", readable_only_by: "admin" }{ name: "foo", writable_only_by: "admin" }
admin is a magic value that
+only allows accounts marked as administrators in the AppEngine application to perform the action.
+