use ;
/// A line of command to be sent and executed by the server.
/// Denotes the exit status of a command.
///
/// An [`Ok`] indicates that the command exits with no error, with a payload of the command output.
/// An [`Err`] indicates that the command exits with error, or is not executed
/// (e.g. the command issuer does not have sufficient permission), with a payload of the formatted error message.
///
/// # Payload
/// The payload would be a string that might contain [ANSI Escape Color Codes](https://en.wikipedia.org/wiki/ANSI_escape_code).
/// Therefore, it is recommended to perform corresponding checks before printing the message.
pub type CommandStatus = ;