Possible enumeration values:
| Name | Value | Description |
|---|---|---|
| Second |
1 |
按秒付费 |
| Hour |
2 |
按小时付费 |
| Day |
4 |
按日计费 |
| Month |
8 |
按月付费 |
| Quarter |
16 |
按季度付费 |
| Year |
32 |
按年付费 |
| Minute |
64 |