import GameObject from './GameObject.js';
/**
 * A non-rendering GameObject that can be used to group other objects together
 * within the scene hierarchy.
 */
export default class Group extends GameObject {
    /**
     * initialises a new instance of a Group.
     * @param tag A descriptive name for the group.
     * @param zIndex The rendering order (higher numbers are drawn on top).
     */
    constructor(tag?: string, zIndex?: number);
}