#include "RecoEgamma/EgammaIsolationAlgos/interface/PFBlockBasedIsolation.h"
#include "DataFormats/Math/interface/deltaR.h"
#include "DataFormats/ParticleFlowReco/interface/PFBlockFwd.h"
#include "DataFormats/ParticleFlowReco/interface/PFBlock.h"
#include "DataFormats/ParticleFlowReco/interface/PFCluster.h"
#include "DataFormats/ParticleFlowReco/interface/PFBlockElementCluster.h"
#include <cmath>