/// <reference types="node" />
import DEvent from "../../class/event";
import { Ddan } from "../../typings";
export default class DLoopFrame implements Ddan.ILoopFrame {
    _loopTimer: string | number | NodeJS.Timeout | undefined;
    _event: DEvent;
    started: boolean;
    interval: number;
    constructor(interval?: number);
    start(): this;
    stop(): this;
    restart(): this;
    on(cb: Ddan.Function): this;
    off(cb: Ddan.Function | undefined): this;
    _handleLoop(): void;
}