#include "RecoVertex/GaussianSumVertexFit/interface/MultiRefittedTS.h"
#include "TrackingTools/TrajectoryState/interface/FreeTrajectoryState.h"
#include "TrackingTools/TrajectoryState/interface/TrajectoryStateOnSurface.h"
#include "TrackingTools/GsfTools/interface/BasicMultiTrajectoryState.h"
#include "RecoVertex/VertexPrimitives/interface/VertexException.h"
#include "TrackingTools/PatternTools/interface/TransverseImpactPointExtrapolator.h"
#include "TrackingTools/TransientTrack/interface/TransientTrackFromFTSFactory.h"
#include <cfloat>