public Result<Void> addPerm(AuthzTrans trans, RoleDAO.Data rd, PermDAO.Data perm) {
Result<Void> rv = dao().addPerm(trans,rd,perm);
public Result<Void> addPerm(AuthzTrans trans, RoleDAO.Data rd, PermDAO.Data perm) {
Result<Void> rv = dao().addPerm(trans,rd,perm);