From 1abfcf43179d63fb645454561ac82fca4f2d8e6a Mon Sep 17 00:00:00 2001
From: Him188 <Him188@mamoe.net>
Date: Mon, 5 Jul 2021 15:00:11 +0800
Subject: [PATCH] Add `OfflineAnnouncement.serializer`

---
 .../kotlin/contact/announcement/OfflineAnnouncement.kt         | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mirai-core-api/src/commonMain/kotlin/contact/announcement/OfflineAnnouncement.kt b/mirai-core-api/src/commonMain/kotlin/contact/announcement/OfflineAnnouncement.kt
index b30769c66..17b758b9e 100644
--- a/mirai-core-api/src/commonMain/kotlin/contact/announcement/OfflineAnnouncement.kt
+++ b/mirai-core-api/src/commonMain/kotlin/contact/announcement/OfflineAnnouncement.kt
@@ -31,6 +31,9 @@ public sealed interface OfflineAnnouncement : Announcement {
     public companion object {
         public const val SERIAL_NAME: String = "OfflineAnnouncement"
 
+        @JvmStatic
+        public fun serializer(): KSerializer<OfflineAnnouncement> = Serializer
+
         /**
          * 创建 [OfflineAnnouncement]. 若 [announcement] 类型为 [OfflineAnnouncement] 则直接返回 [announcement].
          */