* The value is, e.g. true <br>
     * comment: Whether to sync password for LDAP admin.
     * @return The determination, true or false. (if not found, exception but basically no way)
     */
    boolean isLdapAdminSyncPassword();

    /**
     * Get the value for the key 'ldap.auth.validation'. <br>
     * The value is, e.g. true <br>
     * comment: Whether to validate LDAP authentication.