9#ifndef TRKGEOMETRY_MATERIALSTEPCOLLECTION_H
10#define TRKGEOMETRY_MATERIALSTEPCOLLECTION_H
macros to associate a CLID to a type
#define CLASS_DEF(NAME, CID, VERSION)
associate a clid and a version to a type eg
An STL vector of pointers that by default owns its pointed-to elements.
Ensure that the ATLAS eigen extensions are properly loaded.
DataVector< Trk::MaterialStep > MaterialStepCollection