diff --git a/server.go b/server.go
index 2376bef..a2cc5a6 100644
--- a/server.go
+++ b/server.go
@@ -12,6 +12,7 @@ type ()
 
 type Server interface {
 	ListenAndServe(addr string) error
+	HandleClient(pattern string, o *clients.Options)
 }
 
 type server struct {