import * as PIXI from 'pixi.js';
import type { RendererDestroyOptions, DestroyOptions } from 'pixi.js';
import { GameObject } from './GameObject';
import { Group } from './group';
export declare class Application extends PIXI.Application {
    root: Group;
    private updateTargets;
    private isUpdateTickerRegistered;
    private updateGameObjects;
    init(options?: Partial<PIXI.ApplicationOptions>): Promise<void>;
    registerUpdateTarget(target: GameObject): void;
    unregisterUpdateTarget(target: GameObject): void;
    private syncUpdateTicker;
    destroy(rendererDestroyOptions?: RendererDestroyOptions, options?: DestroyOptions): void;
}