code: func WithNewFIFOs(root string, tty, stdin bool) ContainerIOOpts {
  	return func(c *ContainerIO) error {
  		fifos, err := newFifos(root, c.id, tty, stdin)
  		if err != nil {
  			return err
  		}
  		return WithFIFOs(fifos)(c)
  	}
  }
docs: // WithNewFIFOs creates new fifos for the container io.