fn parse_request(mut parts: std::str::SplitWhitespace<'_>) -> RequestParserResult<'_> {

        debug_assert!(parts.next().is_none());

        Ok((Request::Config, ""))

    }

    fn parse_response(

        parts: ResponseAttributes<'_>,

    ) -> Result<Self::Response, ResponseParserError> {

        let parts: HashMap<_, _> = parts.into();

        let music_directory = get_property!(parts, "music_directory", Text).to_string();

        let playlist_directory = get_property!(parts, "playlist_directory", Text).to_string();

        let pcre = get_and_parse_property!(parts, "pcre", Text);

        Ok(ConfigResponse {

            music_directory,

            playlist_directory,

            pcre,

        })

    }