Necessary Maintenance #18998
Verify the aggregation criteria for data product MuCS::MuCSDTOffset
MuCS::MuCSDTOffset is written into art ROOT files as run data, but no aggregation rule is specified.
art provides a default one for
std::vector, which is to concatenate the vectors. It should be checked that this is actually the desired behaviour.
For more details, see issue #18997.