Method GetGroupIds

catboost/libs/data/objects.h:319–321

        }

        TMaybeData<TConstArrayRef<TGroupId>> GetGroupIds() const { // [objectIdx]
            return CommonData.GroupIds.GetMaybeNumData();
        }

        TMaybeData<TConstArrayRef<TString>> GetStringGroupIds() const { // [objectIdx]
            return CommonData.GroupIds.GetMaybeStringData();