System.HashID.ToGUID C# (CSharp) Метод

        public Guid ToGUID()
        {
            ulong a = first ^ second;
            ulong b = third ^ fourth;
            var arr = new byte[16];

            BitConverter.GetBytes(a).CopyTo(arr, 0);
            BitConverter.GetBytes(b).CopyTo(arr, 8);

            return new Guid(arr);
        }