import { DnsRecordSetSource } from "../types/dns-record-events.mjs";
import { DnsZoneRecordClient } from "../types/dns-zone-record-client.mjs";
import { PublicIpState } from "../types/public-ip-events.mjs";
import { Disposable } from "../types/utility.mjs";
export declare class Route53AddressRecordUpdater implements Disposable {
    private readonly client;
    private readonly recordSource;
    private readonly logger;
    private pendingUpdate;
    private eventDuringUpdate;
    constructor(client: DnsZoneRecordClient, recordSource: DnsRecordSetSource);
    dispose: () => Promise<void>;
    /**
     * When the public IP changes, check if any host records have an out of date ip. If they do, start an update for each out of
     * date record and wait for the change to synchronize. The AWS service updates the records asynchronously.
     * @param event The event emitted when the public IP address has changed
     * @returns Resolve when the host records have been checked and updated if necessary. If there's an update in progress, set the
     * event to process later and resolve immediately. We may get multiple update events while a synchronization is in progress, we
     * only want to use the latest IP to make the public IP update independent of the host record update without queuing events that
     * won't be relevant anymore.
     */
    handlePublicIpUpdate: (event: PublicIpState) => Promise<void>;
    private updateRecordsIfOutdated;
}