pub fn add_mode_line<'c, 'input, Conn>(
conn: &'c Conn,
screen: u32,
dotclock: Dotclock,
hdisplay: u16,
hsyncstart: u16,
hsyncend: u16,
htotal: u16,
hskew: u16,
vdisplay: u16,
vsyncstart: u16,
vsyncend: u16,
vtotal: u16,
flags: ModeFlag,
after_dotclock: Dotclock,
after_hdisplay: u16,
after_hsyncstart: u16,
after_hsyncend: u16,
after_htotal: u16,
after_hskew: u16,
after_vdisplay: u16,
after_vsyncstart: u16,
after_vsyncend: u16,
after_vtotal: u16,
after_flags: ModeFlag,
private: &'input [u8]
) -> Result<VoidCookie<'c, Conn>, ConnectionError>