import { NgZone } from '@angular/core';
import * as i0 from "@angular/core";
export declare class IntervalService {
    private ngZone;
    interval: number;
    constructor(ngZone: NgZone);
    setInterval(callback: () => void, time: number): void;
    clearInterval(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<IntervalService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<IntervalService>;
}
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