import { Application, Container, Sprite, Text } from 'pixi.js';
export default abstract class BaseDemo {
    private static BACKGROUND_URL;
    protected readonly app: Application;
    protected readonly _background: Sprite;
    protected readonly _resources: string[];
    protected _pixiResources: any;
    container: Container;
    appName: string;
    constructor(appName: string);
    init(): Promise<void>;
    destroy(): Promise<void>;
    protected abstract _onStart(): any;
    protected _loadResources(): Promise<void>;
    createText(string: string): Text;
    addChild(child: any): void;
    addListener(event: string, handler: any, context: any): void;
    removeChild(child: any): void;
    get stageWidth(): number;
    get stageHeight(): number;
}