import React from 'react';
interface Props {
    className?: string | undefined;
    delay?: number;
    onError?: undefined | ((error: Error) => void);
    onScan: (data: string) => void;
    size?: string | number | undefined;
    style?: React.CSSProperties | undefined;
}
declare function Scan({ className, delay, onError, onScan, size, style }: Props): React.ReactElement<Props>;
export declare const QrScan: React.MemoExoticComponent<typeof Scan>;
export {};