Function ClassLabelsToStrings

catboost/private/libs/labels/helpers.cpp:45–52

    }

    TVector<TString> ClassLabelsToStrings(TConstArrayRef<NJson::TJsonValue> classLabels) {
        TVector<TString> result;
        result.reserve(classLabels.size());
        for (const auto& classLabel : classLabels) {
            result.push_back(ClassLabelToString(classLabel));
        }
        return result;
    }

    void MaybeAddPhantomSecondClass(TVector<NJson::TJsonValue>* classLabels) {
        if (classLabels->empty()) {