Possible enumeration values:
| Name | Value | Description |
|---|---|---|
| Refund |
0 |
退票操作 |
| Changed |
1 |
改签操作 |
| Rejectd |
2 |
出票驳回 |
| Payment |
3 |
额外付款 |
| Receive |
4 |
额外收款 |