From ec93a42dba5efda48e9080041730edb7fe32aea5 Mon Sep 17 00:00:00 2001
From: tmadlener <thomas.madlener@desy.de>
Date: Wed, 13 Sep 2023 13:55:37 +0200
Subject: [PATCH] Restore original behavior to not break marlinwrapper

---
 .../include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.h          | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.h b/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.h
index e8192659..179772fa 100644
--- a/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.h
+++ b/k4EDM4hep2LcioConv/include/k4EDM4hep2LcioConv/k4EDM4hep2LcioConv.h
@@ -78,7 +78,10 @@ namespace edm4hep {
 namespace EDM4hep2LCIOConv {
 
   template<typename T1, typename T2>
-  using ObjectMapT = k4EDM4hep2LcioConv::MapT<T1, T2>;
+  using ObjectMapT = k4EDM4hep2LcioConv::VecMapT<T1, T2>;
+
+  template<typename T1, typename T2>
+  using vec_pair [[deprecated("Use a more descriptive alias")]] = ObjectMapT<T1, T2>;
 
   struct CollectionsPairVectors {
     ObjectMapT<lcio::TrackImpl*, edm4hep::Track> tracks {};