import { Group } from 'three';
import { RenderComponent } from '..';
import { World } from '../../world';
import { GroupChildren, GroupJson } from './type';
declare const getGroupJson: (name?: string) => GroupJson;
declare const updateGroup: (json: GroupJson, group: GroupComponent, world: World, delay: number) => void;
declare class GroupComponent extends RenderComponent {
    json: GroupJson;
    object3D: Group;
    readonly children: GroupChildren[];
    constructor(json?: GroupJson);
    update(world: World, delay: number): void;
    add(com: GroupChildren): void;
    remove(com: GroupChildren): void;
    dispose(): void;
    find(id: string): GroupChildren | null;
    track(id: string): GroupChildren[] | null;
    traverse(cb: (sub: GroupChildren) => void): void;
}
export { getGroupJson, updateGroup, GroupComponent };