declare class Timer {
    config: {
        easing: string;
        duration: number;
        onStart: (arg: any) => void;
        onRun: (arg: any) => void;
        onStop: (arg: any) => void;
        onEnd: (arg: any) => void;
    };
    isfinished: boolean;
    start: number;
    percent: number;
    easingFn: (x: number) => number;
    now: number;
    t: number;
    duration: number;
    progress: number;
    private _hasFinishedPercent;
    private _stop;
    private _raf;
    constructor(config: object);
    run(): void;
    private _run;
    stop(): void;
}
export default Timer;