diff --git a/angel_serialize/.packages b/angel_serialize/.packages
index fe880de1..636ac1bf 100644
--- a/angel_serialize/.packages
+++ b/angel_serialize/.packages
@@ -1,2 +1,2 @@
-# Generated by pub on 2017-12-07 02:04:15.968150.
+# Generated by pub on 2018-02-28 16:04:20.895086.
 angel_serialize:lib/
diff --git a/angel_serialize/lib/angel_serialize.dart b/angel_serialize/lib/angel_serialize.dart
index 77824ef0..ead7ab28 100644
--- a/angel_serialize/lib/angel_serialize.dart
+++ b/angel_serialize/lib/angel_serialize.dart
@@ -1,6 +1,10 @@
 /// Excludes a field from being excluded.
 class Exclude {
-  const Exclude();
+  final bool canSerialize;
+
+  final bool canDeserialize;
+
+  const Exclude({this.canDeserialize: false, this.canSerialize: false});
 }
 
 const Exclude exclude = const Exclude();