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C   returning an object copy
class MyObjectHolder {
public:
    std::vector<int> getMyObject() const {
        return myObject;
    }

private:
    std::vector<int> myObject;
};

const std::vector<int> myObject = myObjectHolder.getMyObject();
myObject.size();
int a = myObject.front();

const std::vector<int>& getMyObject() const {
    return myObject;
}

const std::vector<int>& myObject = myObjectHolder.getMyObject();