#pragma link C++ class AliGenGeVSimEventHeader+;
#pragma link C++ class AliGeVSimParticle+;
#pragma link C++ class AliGenBeamGas+;
-#pragma link C++ class AliGenBeamGasNew+;
#pragma link C++ class AliGenAfterBurnerFlow+;
#pragma link C++ class AliGenSlowNucleons+;
#pragma link C++ class AliSlowNucleonModel+;