declare function _default({ modelUrl }?: {
    modelUrl?: string | undefined;
}): Promise<{
    qrScannerResources: {
        engine: Worker | {
            detect(image: ImageBitmapSource): Promise<{
                rawValue: string;
            }[]>;
        };
        canvas: HTMLCanvasElement;
    };
    noModel: boolean;
} | {
    qrModel: undefined;
}>;
export default _default;