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

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