#include <algorithm>
#include <set>
#include <vector>
#include "tbb/task_arena.h"
#include "tbb/tbb.h"
#include "DataFormats/Math/interface/deltaR.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Utilities/interface/Exception.h"
#include "PatternRecognitionbyCLUE3D.h"
#include "TrackstersPCA.h"
#include "Geometry/CaloGeometry/interface/CaloGeometry.h"
#include "Geometry/Records/interface/CaloGeometryRecord.h"
#include "FWCore/Framework/interface/EventSetup.h"