@abc.abstractmethod<EOL><INDENT>def search_among_time_periods(self, time_period_ids):<DEDENT>
pass<EOL>
Execute this search among the given list of time periods.

        :param time_period_ids: list of time periods
        :type time_period_ids: ``osid.id.IdList``
        :raise: ``NullArgument`` -- ``time_period_ids`` is ``null``

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