public object?GetNthMask(int index)
            {
                WorldspaceReference_FieldIndex enu = (WorldspaceReference_FieldIndex)index;

                switch (enu)
                {
                case WorldspaceReference_FieldIndex.Reference:
                    return(Reference);

                case WorldspaceReference_FieldIndex.Position:
                    return(Position);

                default:
                    throw new ArgumentException($"Index is out of range: {index}");
                }
            }
            public void SetNthMask(int index, object obj)
            {
                WorldspaceReference_FieldIndex enu = (WorldspaceReference_FieldIndex)index;

                switch (enu)
                {
                case WorldspaceReference_FieldIndex.Reference:
                    this.Reference = (Exception?)obj;
                    break;

                case WorldspaceReference_FieldIndex.Position:
                    this.Position = (Exception?)obj;
                    break;

                default:
                    throw new ArgumentException($"Index is out of range: {index}");
                }
            }