1 files changed, 4 insertions, 1 deletions

diff --git a/src/unstable/json.h b/src/unstable/json.h
index 2ea62a2..100a3d1 100644
--- a/src/unstable/json.h
+++ b/src/unstable/json.h
@@ -10,6 +10,7 @@
 namespace Bu
 {
     class Stream;
+    class Formatter;
     typedef Bu::List<Bu::UtfString> UtfStringList;
 
     class Json
@@ -123,6 +124,8 @@ namespace Bu
             bool bBoolean;
         } uDat;
     };
-};
+
+    Bu::Formatter &operator<<( Bu::Formatter &f, const Bu::Json &j );
+}
 
 #endif