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

                switch (enu)
                {
                case FindMatchingRefNearAlias_FieldIndex.AliasIndex:
                    return(AliasIndex);

                case FindMatchingRefNearAlias_FieldIndex.Type:
                    return(Type);

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

                switch (enu)
                {
                case FindMatchingRefNearAlias_FieldIndex.AliasIndex:
                    this.AliasIndex = (Exception?)obj;
                    break;

                case FindMatchingRefNearAlias_FieldIndex.Type:
                    this.Type = (Exception?)obj;
                    break;

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