From 866a81985baa48e5ceb1eda9c3aa121c2a28674e Mon Sep 17 00:00:00 2001
From: Javier Godoy <11554739+javier-godoy@users.noreply.github.com>
Date: Wed, 3 Apr 2024 16:58:46 -0300
Subject: [PATCH] fix: make DemoHelperViewer serializable

Close #86
---
 .../com/flowingcode/vaadin/addons/demo/DemoHelperViewer.java   | 3 ++-
 .../flowingcode/vaadin/addons/demo/DialogDemoHelperViewer.java | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/flowingcode/vaadin/addons/demo/DemoHelperViewer.java b/src/main/java/com/flowingcode/vaadin/addons/demo/DemoHelperViewer.java
index 3ce98ac..3d0e733 100644
--- a/src/main/java/com/flowingcode/vaadin/addons/demo/DemoHelperViewer.java
+++ b/src/main/java/com/flowingcode/vaadin/addons/demo/DemoHelperViewer.java
@@ -20,13 +20,14 @@
 package com.flowingcode.vaadin.addons.demo;
 
 import com.vaadin.flow.component.Component;
+import java.io.Serializable;
 
 /**
  * Implementations of this interface can be used to display content rendered by
  * {@link DemoHelperRenderer}.
  *
  */
-public interface DemoHelperViewer {
+public interface DemoHelperViewer extends Serializable {
 
   /**
    * Shows help content.
diff --git a/src/main/java/com/flowingcode/vaadin/addons/demo/DialogDemoHelperViewer.java b/src/main/java/com/flowingcode/vaadin/addons/demo/DialogDemoHelperViewer.java
index 7528563..86e727d 100644
--- a/src/main/java/com/flowingcode/vaadin/addons/demo/DialogDemoHelperViewer.java
+++ b/src/main/java/com/flowingcode/vaadin/addons/demo/DialogDemoHelperViewer.java
@@ -27,6 +27,7 @@
  * {@link Dialog}.
  * 
  */
+@SuppressWarnings("serial")
 public class DialogDemoHelperViewer implements DemoHelperViewer {
 
   @Override