![]() | Adds a possible element to the invoking set variable. |
![]() | Adds a required element to the invoking set variable. |
![]() | This methods returns an indication of whether or not the given element is a possible member of the invoking set variable. |
![]() | Returns true if the given element is required by the invoking set variable and false if not. |
![]() | Removes a possible element from the invoking set variable. |
![]() | Removes a required element from the invoking set variable. |