#include "TrackingTools/GsfTracking/interface/GsfPropagatorWithMaterial.h"
#include "TrackingTools/GsfTools/interface/MultiTrajectoryStateAssembler.h"
#include "TrackingTools/GeomPropagators/interface/AnalyticalPropagator.h"
#include "TrackingTools/GeomPropagators/interface/PropagationDirectionFromPath.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Utilities/interface/Exception.h"