diff --git a/src/Affection/MessageBus.hs b/src/Affection/MessageBus.hs
new file mode 100644
index 0000000..1966643
--- /dev/null
+++ b/src/Affection/MessageBus.hs
@@ -0,0 +1,4 @@
+module Affection.MessageBus where
+
+class MessageBus a where
+