pub fn set_device_info<'c, 'input, Conn>(
conn: &'c Conn,
device_spec: DeviceSpec,
first_btn: u8,
change: XIFeature,
btn_actions: &'input [Action],
leds: &'input [DeviceLedInfo],
) -> Result<VoidCookie<'c, Conn>, ConnectionError>where
Conn: RequestConnection + ?Sized,