protected VRPOperator(VRPOperator original, Cloner cloner) : base(original, cloner) { }
protected VRPOperator(VRPOperator original, Cloner cloner) : base(original, cloner) { }
protected VRPOperator(VRPOperator original, Cloner cloner) : base(original, cloner) { }
protected VRPOperator(VRPOperator original, Cloner cloner) : base(original, cloner) { }