@abc.abstractmethod<EOL><INDENT>def search_among_offset_events(self, offset_event_ids):<DEDENT>
pass<EOL>
Execute this search among the given list of offset events.

        :param offset_event_ids: list of offset events
        :type offset_event_ids: ``osid.id.IdList``
        :raise: ``NullArgument`` -- ``offset_event_ids`` is ``null``

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