import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export interface TimeSync {
    outOfSync: boolean;
    timeOutOfSyncInSec?: number;
    localDateTimeISO: string;
    serverDateTimeISO: string;
}
export declare class TimeSyncService {
    private readonly _injector;
    private readonly _appConfigService;
    private readonly _http;
    constructor();
    checkTimeSync(maxAllowedClockSkewInSec: number): Observable<TimeSync>;
    /**
     * Checks if the local time is out of sync with the server time.
     *
     * @param maxAllowedClockSkewInSec - The maximum allowed clock skew in seconds.
     * @returns An Observable that emits a boolean indicating whether the local time is out of sync.
     */
    isLocalTimeOutOfSync(maxAllowedClockSkewInSec: number): Observable<boolean>;
    private getServerTime;
    private getServerTimeUrl;
    static ɵfac: i0.ɵɵFactoryDeclaration<TimeSyncService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TimeSyncService>;
}