static Bool_t IsElectron(const AliESDtrack *track, ETRDPIDMethod method = kNN);
static Double_t GetSystematicError(const AliESDtrack *track, ETRDPIDMethod method = kNN);
static Bool_t IsElectron(const AliESDtrack *track, ETRDPIDMethod method = kNN);
static Double_t GetSystematicError(const AliESDtrack *track, ETRDPIDMethod method = kNN);