    | __getitem__                             | None                |                                         
    | add                                     | None                |                                         
    | clear                                   | None                |                                         
x   | create                                  | None                |                                         
    | has                                     | None                |                                         
    | length                                  | None                | getLength                               
    | remove                                  | None                |                                         
    | type                                    | None                | getType                                 
