import type { Signal } from "@angular/core";
import * as i0 from "@angular/core";
export declare class TimeSourceService {
    private readonly offsetSignal;
    readonly offset: Signal<number>;
    readonly offset$: import("rxjs").Observable<number>;
    now(): number;
    setOffset(ms: number): void;
    resetOffset(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<TimeSourceService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TimeSourceService>;
}