updateConfigListenerMap.put("RelatedQuery", () -> Integer.toString(ComponentUtil.getRelatedQueryHelper().load()));
        updateConfigListenerMap.put("KeyMatch", () -> Integer.toString(ComponentUtil.getKeyMatchHelper().load()));
    }

    /**
     * Parses project properties from the given path.
     *
     * @param propPath The path to the project properties file.

	usersPrefix := strings.HasPrefix(event.keyPath, iamConfigUsersPrefix)
	groupsPrefix := strings.HasPrefix(event.keyPath, iamConfigGroupsPrefix)
	stsPrefix := strings.HasPrefix(event.keyPath, iamConfigSTSPrefix)
	svcPrefix := strings.HasPrefix(event.keyPath, iamConfigServiceAccountsPrefix)
	policyPrefix := strings.HasPrefix(event.keyPath, iamConfigPoliciesPrefix)

	}
	return err
}

func (ies *IAMEtcdStore) watch(ctx context.Context, keyPath string) <-chan iamWatchEvent {
	ch := make(chan iamWatchEvent)

	// go routine to read events from the etcd watch channel and send them
	// down `ch`
	go func() {
		for {
		outerLoop:
			watchCh := ies.client.Watch(ctx,
				keyPath, etcd.WithPrefix(), etcd.WithKeysOnly())

			for {
				select {
				case <-ctx.Done():

					<defaultUsername>${packaging.fess.user}</defaultUsername>
					<defaultGroupname>${packaging.fess.group}</defaultGroupname>
					<!--
					<keyname>${gpg.key}</keyname>
					<keypath>${gpg.keyring}</keypath>
					<keyPassphrase>
						<passphrase>${gpg.passphrase}</passphrase>
					</keyPassphrase>
					-->
					<mappings>
						<!-- app -->
						<mapping>

	}
	*d = doc
	return nil
}

// key options
type options struct {
	ttl int64 // expiry in seconds
}

type iamWatchEvent struct {
	isCreated bool // !isCreated implies a delete event.
	keyPath   string
}

// iamCache contains in-memory cache of IAM data.
type iamCache struct {
	updatedAt time.Time

	// map of policy names to policy definitions
	iamPolicyDocsMap map[string]PolicyDoc