fn groupAwait(userdata: ?*anyopaque, type_erased: *Io.Group, initial_token: *anyopaque) Io.Cancelable!void
fn groupAwait(userdata: ?*anyopaque, type_erased: *Io.Group, initial_token: *anyopaque) Io.Cancelable!void { const k: *Kqueue = @ptrCast(@alignCast(userdata)); _ = k; _ = type_erased; _ = initial_token; @panic("TODO"); }