return "registeredAddress";
        }

        @Override
        public String getLdapAttrMail() {
            return "mail";
        }

        @Override
        public String getLdapAttrGivenName() {
            return "givenName";
        }

        @Override
        public String getLdapAttrSurname() {
            return "sn";
        }

        @Override

            if (!result.isEmpty()) {
                setAttributeValue(result, fessConfig.getLdapAttrSurname(), o -> user.setSurname(o.toString()));
                setAttributeValue(result, fessConfig.getLdapAttrGivenName(), o -> user.setGivenName(o.toString()));
                setAttributeValue(result, fessConfig.getLdapAttrMail(), o -> user.setMail(o.toString()));

            return "registeredAddress";
        }

        @Override
        public String getLdapAttrMail() {
            return "mail";
        }

        @Override
        public String getLdapAttrGivenName() {
            return "givenName";
        }

        @Override
        public String getLdapAttrSurname() {
            return "sn";
        }

        @Override

     * The value is, e.g. givenName <br>
     * comment: LDAP attribute for given name.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getLdapAttrGivenName();

    /**
     * Get the value for the key 'ldap.attr.employeeNumber'. <br>
     * The value is, e.g. employeeNumber <br>
     * comment: LDAP attribute for employee number.