return -1;
}
+//____________________________________________________________________
+TString AliTRDeventInfo::GetFiredTriggerClasses()
+{
+// copy of similar function from AliESDEvent
+ return (fRun&&fHeader)?fRun->GetFiredTriggerClasses(fHeader->GetTriggerMask()):"";
+}
+
//____________________________________________________________________
Int_t AliTRDeventInfo::GetMultiplicityBin(Int_t n)
{