@abc.abstractmethod<EOL><INDENT>def set_output_score(self, score):<DEDENT>
pass<EOL>
Sets the output score.

        :param score: the new output score
        :type score: ``decimal``
        :raise: ``InvalidArgument`` -- ``score`` is invalid
        :raise: ``NoAccess`` -- ``score`` cannot be modified

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