import { Tween } from './Tween.js';
type TweenableObject = Tween<any>;
export declare class Group {
    private _items;
    get length(): number;
    clear(): void;
    add(tween: TweenableObject): void;
    remove(tween: TweenableObject): void;
    update(): void;
    private _beginAnimation;
}
export {};