import { Engine } from "./Engine";
import { Scene } from "./Scene";
interface StateConfig {
    scene?: Scene;
}
/**
 * Base class
 */
export declare abstract class State {
    scene: Scene;
    constructor(_config?: StateConfig);
    getScene(): Scene;
    abstract onAwake(_engine: Engine, _params?: unknown): void;
    abstract onResize(_engine: Engine, _params?: unknown): void;
    onStep(_engine: Engine): void;
    abstract preload(_engine: Engine): Promise<void>;
    /**
     * Remember to delete objects in your override function here!
     * @param engine
     */
    onDestroy(_engine: Engine): void;
}
export {};