import AppRepository from './AppRepository.ts';
import KittenPackage from './lib/KittenPackage.ts';
export default class AutomaticUpdates {
    static instance: AutomaticUpdates;
    running: boolean;
    lastCheck: Date;
    kittenPackage: KittenPackage | undefined;
    appRepository: AppRepository | undefined;
    intervalId: ReturnType<typeof setInterval> | undefined;
    get interval(): number;
    set interval(intervalInMiliseconds: number);
    static getInstance(): AutomaticUpdates;
    start(): Promise<void>;
    requestRestart(): void;
    updateLastCheck(): void;
    checkForUpdates(): Promise<void>;
    get intervalInHours(): number;
    timeToNextCheck(): number;
    timeToNextCheckPretty(): string | number;
    stop(): void;
}