11 #ifndef ROO_ABS_EFF_RES_MODEL    12 #define ROO_ABS_EFF_RES_MODEL    14 #include "RooArgSet.h"    29    virtual const RooAbsReal* 
efficiency() 
const = 0;
 virtual RooArgSet * observables() const =0
 
virtual ~RooAbsEffResModel()
 
virtual const RooAbsReal * efficiency() const =0