@abc.abstractmethod<EOL><INDENT>def register_for_new_proficiencies_for_objective(self, objective_id):<DEDENT>
pass<EOL>
Register for notifications of new proficiencies.

        ``ProficiencyReceiver.newProficiencies()`` is invoked when a new
        ``Proficiency`` appears for the given objective in this
        objective bank.

        :param objective_id: the ``Id`` of a resource to monitor
        :type objective_id: ``osid.id.Id``
        :raise: ``NullArgument`` -- ``objective_id`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

        *compliance: mandatory -- This method must be implemented.*