* comment: Whether LDAP role search for role is enabled.
     * @return The determination, true or false. (if not found, exception but basically no way)
     */
    boolean isLdapRoleSearchRoleEnabled();

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