virtual Bool_t Next() {TRD_NOIMP(); return 0;} \r
//virtual Int_t NextChamber(AliTRDdigitsManager */*man*/) {TRD_NOIMP(); return 0;} \r
//virtual Int_t NextChamber(AliTRDdigitsManager */*man*/, UInt_t **/*trackletContainer*/=NULL) {TRD_NOIMP(); return 0;}\r
virtual Bool_t Next() {TRD_NOIMP(); return 0;} \r
//virtual Int_t NextChamber(AliTRDdigitsManager */*man*/) {TRD_NOIMP(); return 0;} \r
//virtual Int_t NextChamber(AliTRDdigitsManager */*man*/, UInt_t **/*trackletContainer*/=NULL) {TRD_NOIMP(); return 0;}\r