2 files changed, 28 insertions, 0 deletions
diff --git a/lib/public/Comments/IComment.php b/lib/public/Comments/IComment.php
index 8465eaf49f4..44d294bb07c 100644
--- a/lib/public/Comments/IComment.php
+++ b/lib/public/Comments/IComment.php
@@ -299,4 +299,21 @@ interface IComment {
 	 * @since 24.0.0
 	 */
 	public function setReactions(?array $reactions): IComment;
+
+	/**
+	 * Set message expire date
+	 *
+	 * @param \DateTime|null $dateTime
+	 * @return IComment
+	 * @since 25.0.0
+	 */
+	public function setExpireDate(?\DateTime $dateTime): IComment;
+
+	/**
+	 * Get message expire date
+	 *
+	 * @return ?\DateTime
+	 * @since 25.0.0
+	 */
+	public function getExpireDate(): ?\DateTime;
 }
diff --git a/lib/public/Comments/ICommentsManager.php b/lib/public/Comments/ICommentsManager.php
index c34bd4718cc..814ca3e8f9c 100644
--- a/lib/public/Comments/ICommentsManager.php
+++ b/lib/public/Comments/ICommentsManager.php
@@ -482,4 +482,15 @@ interface ICommentsManager {
 	 * @since 21.0.0
 	 */
 	public function load(): void;
+
+	/**
+	 * Delete comments with field expire_date less than current date
+	 * Only will delete the message related with the object.
+	 *
+	 * @param string $objectType the object type (e.g. 'files')
+	 * @param string $objectId e.g. the file id
+	 * @return boolean true if at least one row was deleted
+	 * @since 25.0.0
+	 */
+	public function deleteMessageExpiredAtObject(string $objectType, string $objectId): bool;
 }