export declare function clearContext({ context, pixelRatio, width, height, }: {
    context: CanvasRenderingContext2D | OffscreenCanvasRenderingContext2D;
    pixelRatio: number;
    width: number;
    height: number;
}): void;
export declare function debugContext(ctx: CanvasRenderingContext2D | OffscreenCanvasRenderingContext2D): void;