#include <iostream>
#include <fstream>
#include "QuickTrackAssociatorByHitsImpl.h"
#include "SimTracker/TrackerHitAssociation/interface/TrackerHitAssociator.h"
#include "DataFormats/SiPixelDetId/interface/PixelSubdetector.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "DataFormats/Math/interface/deltaR.h"
#include "SimTracker/TrackAssociation/interface/trackHitsToClusterRefs.h"