From 9799c4f5dca37d8dcd8ff92e9d5ed8b9cfc522af Mon Sep 17 00:00:00 2001
From: Ryunosuke O'Neil <roneil@fnal.gov>
Date: Fri, 8 May 2020 18:18:44 +0100
Subject: [PATCH] Required entries to allow CosmicTrackSeeds (and nested
 objects) to be stored in ROOT/art files

---
 RecoDataProducts/src/classes_def.xml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/RecoDataProducts/src/classes_def.xml b/RecoDataProducts/src/classes_def.xml
index 99a35a908e..44b1497bae 100644
--- a/RecoDataProducts/src/classes_def.xml
+++ b/RecoDataProducts/src/classes_def.xml
@@ -8,6 +8,13 @@
 
  <class name="std::vector<std::pair<unsigned int, unsigned int> >"/>
 <!--  ********* cosmics  ********* -->
+ <class name="TrackParams"/>
+ <class name="TrackCov"/>
+ <class name="TrackAxes"/>
+ <class name="TrackEquation"/>
+ <class name="TrackSeedDiag"/>
+ 
+ <class name="mu2e::CosmicTrack"/>
  <class name="mu2e::CosmicTrackSeed"/>
  <class name="mu2e::CosmicTrackSeedCollection"/>
  <class name="art::Ptr<mu2e::CosmicTrackSeed>"/>