docs: public User createUser(HsqlName name,
                             String password) {
  
          // This will throw an appropriate exception if grantee already exists,
          // regardless of whether the name is in any User, Role, etc. list.
          User user = granteeManager.addUser(name);
  
          user.setPassword(password);
  
          boolean success = userList.add(name.name, user);
  
          if (!success) {
              throw Error.error(ErrorCode.X_28503, name.statementName);
          }
  
          return user;
      }