import { TKwikUIButtonApiCallTimer } from "./button-api-call.definitions";
import * as i0 from "@angular/core";
export declare class KwikUIButtonApiCallTimerService {
    private timerSource;
    timer$: import("rxjs").Observable<string>;
    private stopTimerSource;
    stopTimer$: import("rxjs").Observable<boolean>;
    private timerInterval;
    startTimer({ maxTime, timerChangeType, timerStep }: TKwikUIButtonApiCallTimer): void;
    stopTimer(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<KwikUIButtonApiCallTimerService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<KwikUIButtonApiCallTimerService>;
}