export declare function QRCode(text: string, options?: Partial<QRCode.Options>): string;
export declare namespace QRCode {
    type Options = {
        format: 'png' | 'svg' | 'base64';
        margin: number;
        size: number;
        dark: string;
        light: string;
        ecLevel: 'L' | 'M' | 'Q' | 'H';
        centerImageUrl: `http://${string}` | `https://${string}`;
        centerImageSizeRatio: number;
        centerImageWidth: number;
        centerImageHeight: number;
        caption: string;
        captionFontFamily: string;
        captionFontSize: number;
    };
    const DefaultOptions: Partial<Options>;
}
export default QRCode;