pub fn rectangles<'c, 'input, Conn>(
conn: &'c Conn,
operation: SO,
destination_kind: SK,
ordering: ClipOrdering,
destination_window: Window,
x_offset: i16,
y_offset: i16,
rectangles: &'input [Rectangle],
) -> Result<VoidCookie<'c, Conn>, ConnectionError>where
Conn: RequestConnection + ?Sized,