import { PipeTransform, NgZone, ChangeDetectorRef, OnDestroy } from '@angular/core';
import * as i0 from "@angular/core";
export declare class TimeAgoPipe implements PipeTransform, OnDestroy {
    private changeDetectorRef;
    private ngZone;
    private timer;
    constructor(changeDetectorRef: ChangeDetectorRef, ngZone: NgZone);
    transform(value: string): string;
    ngOnDestroy(): void;
    private removeTimer;
    private getSecondsUntilUpdate;
    static ɵfac: i0.ɵɵFactoryDeclaration<TimeAgoPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<TimeAgoPipe, "timeAgo">;
}