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

        let channel = parts.next().ok_or(RequestParserError::UnexpectedEOF)?;

        let message = parts.collect::<Vec<_>>().join(" ");

        debug_assert!(!message.is_empty());

        Ok((Request::SendMessage(channel.to_string(), message), ""))

    }

    fn parse_response(

        parts: ResponseAttributes<'_>,

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

        debug_assert!(parts.is_empty());

        Ok(())

    }