docs: @Override
      public List<User> findUsers() {
          List<User> userList;
          try {
              userList = createUsers(ldapDao.getDirectChildren(DnFactory.users()));
          } catch (NoSuchNodeException | MissingParentException e) {
              LOGGER.error("LDAP exception", e);
              throw new LdapRuntimeException(e);
          }
          return userList;
      }