Possible enumeration values:
| Name | Value | Description | 
|---|---|---|
| Equal | 
                     0  | 
                |
| NotEqual | 
                     1  | 
                |
| Greater | 
                     2  | 
                |
| GreaterOrEqual | 
                     3  | 
                |
| Less | 
                     4  | 
                |
| LessEqual | 
                     5  | 
                |
| Contains | 
                     6  |