@abc.abstractmethod<EOL><INDENT>def search_among_objective_banks(self, objective_bank_ids):<DEDENT>
pass<EOL>
Execute this search among the given list of objective banks.

        :param objective_bank_ids: list of objective banks
        :type objective_bank_ids: ``osid.id.IdList``
        :raise: ``NullArgument`` -- ``objective bank_ids`` is ``null``

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