From f564e217ca1a8a2a56fc01d5a4118238b3a06b69 Mon Sep 17 00:00:00 2001
From: Matti Kortelainen <matti.kortelainen@cern.ch>
Date: Mon, 16 Mar 2026 04:00:28 -0500
Subject: [PATCH] Add class versions to MtdSim{LayerCluster,Trackster}

---
 SimDataFormats/CaloAnalysis/src/classes_def.xml | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/SimDataFormats/CaloAnalysis/src/classes_def.xml b/SimDataFormats/CaloAnalysis/src/classes_def.xml
index 148060d03c2c4..0ec9e2cd8eba1 100644
--- a/SimDataFormats/CaloAnalysis/src/classes_def.xml
+++ b/SimDataFormats/CaloAnalysis/src/classes_def.xml
@@ -50,7 +50,9 @@
   <class name="MtdSimClusterContainer"/>
 
 
-  <class name="MtdSimLayerCluster"/>
+  <class name="MtdSimLayerCluster" ClassVersion="3">
+    <version ClassVersion="3" checksum="2285442532"/>
+  </class>
   <class name="MtdSimLayerClusterCollection"/>
   <class name="edm::Wrapper<MtdSimLayerClusterCollection>"/>
   <class name="MtdSimLayerClusterRef"/>
@@ -58,7 +60,9 @@
   <class name="MtdSimLayerClusterRefProd"/>
   <class name="MtdSimLayerClusterContainer"/>
 
-  <class name="MtdSimTrackster"/>
+  <class name="MtdSimTrackster" ClassVersion="3">
+    <version ClassVersion="3" checksum="1833899382"/>
+  </class>
   <class name="MtdSimTracksterCollection"/>
   <class name="edm::Wrapper<MtdSimTracksterCollection>"/>
   <class name="MtdSimTracksterRef"/>