#pragma link C++ class AliGenThetaSlice+;
#pragma link C++ class AliGenParam+;
#pragma link C++ class AliGenCocktail+;
+#pragma link C++ class AliGenPairFlat+;
#pragma link C++ class AliGenMUONCocktail+;
#pragma link C++ class AliGenMUONCocktailpp+;
#pragma link C++ class AliGenEMCocktail+;