import { Input } from '../input';
import { Vector } from '../physics';
import { EngineOptions } from '../types';
import { Renderer } from './renderer';
/**
 * The main rendering engine that container canvas, context and all of the configuration
 */
export declare class Engine {
    canvas: HTMLCanvasElement;
    context: CanvasRenderingContext2D | null;
    renderer: Renderer;
    width: number;
    height: number;
    position: Vector;
    options: EngineOptions;
    input: Input;
    constructor(canvasElement?: HTMLCanvasElement | null, options?: EngineOptions);
    update: (engine: Engine, deltaTime: number) => void;
    start: (_engine: Engine) => void;
    resetEvent(): void;
}