#include "RecoTracker/NuclearSeedGenerator/interface/NuclearInteractionFinder.h"
#include "TrackingTools/TrackFitters/interface/TrajectoryStateWithArbitraryError.h"
#include "TrackingTools/PatternTools/interface/TrajMeasLessEstim.h"
#include "Geometry/TrackerGeometryBuilder/interface/TrackerGeometry.h"
#include "FWCore/Utilities/interface/Exception.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "TrackingTools/KalmanUpdators/interface/Chi2MeasurementEstimatorBase.h"
#include "DataFormats/TrajectorySeed/interface/PropagationDirection.h"