From 73d0f4995fb2b1de10e3a5e7b4c0eca86fc7b783 Mon Sep 17 00:00:00 2001
From: Guy Sartorelli <guy.sartorelli@silverstripe.com>
Date: Thu, 11 Jan 2024 16:35:59 +1300
Subject: [PATCH] ENH Add generic types

---
 src/Extension/Engine/SiteTreePublishingEngine.php | 2 ++
 src/Extension/Publishable/PublishableSiteTree.php | 6 ++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Extension/Engine/SiteTreePublishingEngine.php b/src/Extension/Engine/SiteTreePublishingEngine.php
index 0b5891c9..7d792800 100644
--- a/src/Extension/Engine/SiteTreePublishingEngine.php
+++ b/src/Extension/Engine/SiteTreePublishingEngine.php
@@ -25,6 +25,8 @@
  * * action - name of the executed action: publish or unpublish
  *
  * @see PublishableSiteTree
+ *
+ * @extends DataExtension<SiteTree>
  */
 class SiteTreePublishingEngine extends SiteTreeExtension implements Resettable
 {
diff --git a/src/Extension/Publishable/PublishableSiteTree.php b/src/Extension/Publishable/PublishableSiteTree.php
index 4b1956e3..ba44dcf7 100644
--- a/src/Extension/Publishable/PublishableSiteTree.php
+++ b/src/Extension/Publishable/PublishableSiteTree.php
@@ -19,6 +19,8 @@
  * an extension via the config system ordering (inject your extension "before" the PublishableSiteTree).
  *
  * @see SiteTreePublishingEngine
+ *
+ * @extends DataExtension<SiteTree>
  */
 class PublishableSiteTree extends DataExtension implements StaticallyPublishable, StaticPublishingTrigger
 {
@@ -36,7 +38,7 @@ public function getMyVirtualPages()
     }
 
     /**
-     * @return array|SS_List
+     * @return iterable<SiteTree>
      */
     public function objectsToUpdate($context)
     {
@@ -92,7 +94,7 @@ public function objectsToUpdate($context)
     /**
      * This method controls which caches will be purged
      *
-     * @return array|SS_List
+     * @return iterable<SiteTree>
      */
     public function objectsToDelete($context)
     {