def register_for_new_objective_bank_ancestors(self, objective_bank_id=None):
pass<EOL>
Registers for notification if an ancestor is added to the
        specified objective bank in the objective bank hierarchy.
        objective_bank_receiver.new_objective_bank_ancestor() is invoked
        when the specified objective bank experiences an addition in
        ancestry.
        arg:    objectiveBankId (osid.id.Id): the Id of the objective
                bank to monitor
        raise:  NullArgument - objectiveBankId is null
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure
        compliance: mandatory - This method must be implemented.