import type { SceneControl } from '@anov/3d-core';
import type { GrowOption } from './type';
export declare class Grow {
    private objs;
    private option;
    private growStyle;
    private sceneControl;
    constructor(opt: GrowOption | undefined, sceneControl: SceneControl);
    in(callback: () => void): void;
    out(callback: () => void): void;
    init(opt: GrowOption): void;
}