Action slot value IDs that are associated with the "add value/s" capability.
Default ['builtin_add', 'builtin_select']
Action slot value IDs that are associated with the "clear/empty value/s" capability.
Action slot value IDs that are associated with the "remove value" capability.
Default ['builtin_remove', 'builtin_delete', 'builtin_ignore']
Mapping of action slot values to the capability that this control supports.
Behavior: