pub fn new(id: SongId, to: AbsouluteRelativeSongPosition) -> Self {

        Self { id, to }

    }

    fn into_request_enum(self) -> crate::Request {

        crate::Request::MoveId(self.id, self.to)

    }

    fn from_request_enum(request: crate::Request) -> Option<Self> {

        match request {

            crate::Request::MoveId(id, to) => Some(MoveIdRequest { id, to }),

            _ => None,

    }

    fn serialize(&self) -> String {

        format!("{} {} {}\n", Self::COMMAND, self.id, self.to)

    }

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

        let id = parts.next().ok_or(Self::missing_arguments_error(0))?;

        let id = id

            .parse()

            .map_err(|_| RequestParserError::SubtypeParserError {

                raw_input: id.to_string(),

            })?;

        let to = parts.next().ok_or(Self::missing_arguments_error(1))?;

        let to = to

            .parse()

            .map_err(|_| RequestParserError::SubtypeParserError {

                raw_input: to.to_string(),

            })?;

        Self::throw_if_too_many_arguments(parts)?;

        Ok(MoveIdRequest { id, to })

    }