@utilities.arguments_not_none<EOL><INDENT>def search_among_authorizations(self, authorization_ids):<DEDENT>
self._id_list = authorization_ids<EOL>
Execute this search among the given list of authorizations.

        arg:    authorization_ids (osid.id.IdList): list of
                authorizations
        raise:  NullArgument - ``authorization_ids`` is ``null``
        *compliance: mandatory -- This method must be implemented.*