Extend Serializable in ClientToServerRpc interface (#8278).

diff --git a/src/com/vaadin/terminal/gwt/client/communication/ClientToServerRpc.java b/src/com/vaadin/terminal/gwt/client/communication/ClientToServerRpc.java
index 9064fdbe2f70e6c3f1df69da5ee6b2aae13db186..aeb66643d923c18ebc342323f0b3253e21b3d2da 100644 (file)
--- a/src/com/vaadin/terminal/gwt/client/communication/ClientToServerRpc.java
+++ b/src/com/vaadin/terminal/gwt/client/communication/ClientToServerRpc.java
@@ -4,6 +4,8 @@
 
 package com.vaadin.terminal.gwt.client.communication;
 
+import java.io.Serializable;
+
 import com.vaadin.terminal.gwt.client.ApplicationConnection;
 
 /**
@@ -16,7 +18,7 @@ import com.vaadin.terminal.gwt.client.ApplicationConnection;
  * 
  * @since 7.0
  */
-public interface ClientToServerRpc {
+public interface ClientToServerRpc extends Serializable {
     /**
      * Initialization support for client to server RPC interfaces.
      *