Possible enumeration values:
| Name | Value | Description | 
|---|---|---|
| This | 
                     0  | 
                |
| Last | 
                     1  | 
                |
| Next | 
                     2  | 
                
Possible enumeration values:
| Name | Value | Description | 
|---|---|---|
| This | 
                     0  | 
                |
| Last | 
                     1  | 
                |
| Next | 
                     2  |