import { type IAnimate, type ITimeline } from '@visactor/vrender-core';
import { EventEmitter } from '@visactor/vutils';
interface AnimateNode {
    animate: IAnimate;
    next: AnimateNode | null;
    prev: AnimateNode | null;
}
export declare class DefaultTimeline extends EventEmitter implements ITimeline {
    id: number;
    protected head: AnimateNode | null;
    protected tail: AnimateNode | null;
    protected animateMap: Map<IAnimate, AnimateNode>;
    protected _animateCount: number;
    protected paused: boolean;
    protected _playSpeed: number;
    protected _totalDuration: number;
    protected _startTime: number;
    protected _currentTime: number;
    protected _animationEndFlag: boolean;
    isGlobal?: boolean;
    get animateCount(): number;
    constructor();
    isRunning(): boolean;
    forEachAccessAnimate(cb: (animate: IAnimate, index: number) => void): void;
    addAnimate(animate: IAnimate): void;
    pause(): void;
    resume(): void;
    tick(delta: number): void;
    clear(): void;
    removeAnimate(animate: IAnimate, release?: boolean): void;
    protected recalculateTotalDuration(): void;
    getTotalDuration(): number;
    getPlaySpeed(): number;
    setPlaySpeed(speed: number): void;
    getPlayState(): 'playing' | 'paused' | 'stopped';
    setStartTime(time: number): void;
    getStartTime(): number;
    getCurrentTime(): number;
    setCurrentTime(time: number): void;
}
export declare const defaultTimeline: DefaultTimeline;
export {};