    | deltaType                               | None                |                                         
    | endTime                                 | None                |                                         
    | getTimes                                | None                |                                         
    | getValues                               | None                |                                         
    | numKeys                                 | None                |                                         
    | startTime                               | None                |                                         
    | type                                    | None                |                                         
