fn serialize_request(&self, _request: Self::Request) -> String {

        Self::COMMAND.to_string()

    }

    fn parse_request(mut parts: RequestTokenizer<'_>) -> Result<Self::Request, RequestParserError> {

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

        Ok(())

    }

    fn parse_response(

        parts: ResponseAttributes<'_>,

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

        let parts: Vec<_> = parts.into_vec()?;

        let mut result = Vec::with_capacity(parts.len());

        for (key, value) in parts.into_iter() {

            if key != "command" {

                return Err(ResponseParserError::UnexpectedProperty(key));

            }

            result.push(expect_property_type!(Some(value), "key", Text).to_string());

        Ok(result)

    }