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

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