protected DTLZ4(DTLZ4 original, Cloner cloner) : base(original, cloner) { }
protected DTLZ4(DTLZ4 original, Cloner cloner) : base(original, cloner) { }
protected DTLZ4(DTLZ4 original, Cloner cloner) : base(original, cloner) { }
protected DTLZ4(DTLZ4 original, Cloner cloner) : base(original, cloner) { }