import Character from './Character';
import Background from './Background';
import Boundaries from './Boundaries';
declare class Canvas {
    background: Background | null;
    mainCharacter: Character | null;
    boundaries: Boundaries;
    protected canvas: HTMLCanvasElement;
    protected context: CanvasRenderingContext2D | null;
    private _framerate;
    private refreshInterval;
    private refreshIntervalTime;
    private keyboardInteractions;
    constructor(width: number, height: number, boundaries?: Boundaries, framerate?: number);
    reset(): void;
    draw(): void;
    refresh(): void;
    get height(): number;
    get width(): number;
    set framerate(framerate: number);
    get framerate(): number;
}
export default Canvas;