pub fn failingDirSetPermissions(userdata: ?*anyopaque, dir: Dir, permissions: Dir.Permissions) Dir.SetPermissionsError!void
pub fn failingDirSetPermissions(userdata: ?*anyopaque, dir: Dir, permissions: Dir.Permissions) Dir.SetPermissionsError!void { _ = userdata; _ = dir; _ = permissions; return error.FileNotFound; }