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class SealedClass1{public:    static SealedClass1* GetInstance()     {        return new SealedClass1();    }     static void DeleteInstance( SealedClass1* pInstance)    {        delete pInstance;    } private:    SealedClass1() {}    ~SealedClass1() {}};

template 
   
     class MakeSealed{    friend T; private:    MakeSealed() {}    ~MakeSealed() {}}; class SealedClass2 : virtual public MakeSealed
    
     {public:    SealedClass2() {}    ~SealedClass2() {}};
    
   

class Try : public SealedClass2{public:    Try() {}    ~Try() {}};