export interface ITimer {
    delta: number;
    elapsed: number;
}
declare global {
    interface Window {
        timer: Timer;
    }
}
/**
 * 时序记录 获取运行时间和上一次运行的间隔时间
 */
export declare class Timer {
    autoStart: boolean;
    startTime: number;
    oldTime: number;
    running: boolean;
    timer: Performance | DateConstructor;
    _elapsedTime: number;
    _deltaTime: number;
    _time: ITimer;
    constructor(autoStart?: boolean);
    static get Instance(): Timer;
    get deltaElapsed(): ITimer;
    /**
     *
     */
    get elapsed(): number;
    get delta(): number;
    start(): void;
    stop(): void;
}