protected function _getLdapFieldsValidationRules() {
		$result = [];
		$ldapFields = $this->_modelConfigSync->getLdapFieldsInfo();
		if (empty($ldapFields)) {
			return $result;
		}

		$localFields = $this->getListLocalFields();
		if (empty($localFields)) {
			return $result;
		}

		foreach ($ldapFields as $ldapFieldName => $ldapFieldInfo) {
			if (!isset($ldapFieldInfo['rules']) || empty($ldapFieldInfo['rules'])) {
				continue;
			}

			if (!in_array($ldapFieldName, $localFields)) {
				continue;
			}

			$result[$ldapFieldName] = $ldapFieldInfo['rules'];
		}

		return $result;
	}