import type { ActivityEvent } from "../models/activity-event";
import type { SessionTimeoutConfig } from "../models/session-timeout-config";
import * as i0 from "@angular/core";
export declare class ActivityDomService {
    private readonly destroyRef;
    private readonly zone;
    private readonly document;
    private readonly eventsSubject;
    readonly events$: import("rxjs").Observable<ActivityEvent>;
    private config;
    private readonly listenerCleanupByEvent;
    private destroyHookRegistered;
    private lastMouseEventAt;
    private lastKeyEventAt;
    updateConfig(config: SessionTimeoutConfig): void;
    private syncEventListeners;
    private ensureDestroyHook;
    private handleEvent;
    private cleanupListeners;
    static ɵfac: i0.ɵɵFactoryDeclaration<ActivityDomService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ActivityDomService>;
}