export default class Timer {
    constructor(callback: any, interval: any);
    callback: any;
    interval: any;
    startTime: number;
    requestId: number;
    isRunning: boolean;
    count: number;
    lastElapsed: number;
    averageElapsed: number;
    start(): void;
    stop(): void;
    tick(): void;
}
export function getLocalDateFormat(): string;