declare class BackgroundTimer { uniqueId: number; callbacks: { [key: string]: any; }; backgroundTimer: number | NodeJS.Timeout | null; backgroundListener: any; constructor(); start(delay?: number): any; stop(): any; runBackgroundTimer(callback: any, delay: any): void; backgroundClockMethod(callback: any, delay: any): void; stopBackgroundTimer(): void; setTimeout(callback: any, timeout: any): number; clearTimeout(timeoutId: any): void; setInterval(callback: any, timeout: any): number; clearInterval(intervalId: any): void; } declare const _default: BackgroundTimer; export default _default;