class AliTPCseed;
class AliESDEvent;
class AliESDtrack;
+class AliESDfriendTrack;
class TCollection;
class TTreeSRedirector;
class TGraph;
TObjString fTriggerClass; // trigger class
AliESDEvent *fCurrentEvent; //! current event
AliESDtrack *fCurrentTrack; //! current esd track
+ AliESDfriendTrack *fCurrentFriendTrack; //! current friend track
AliTPCseed *fCurrentSeed; //! current seed
private:
Int_t fDebugLevel; // debug level