import type { UseScanOptions, UseScanReturn } from '../types/index';
/**
 * Hook that manages QR code scanning lifecycle.
 *
 * Uses html5-qrcode under the hood. The scanner renders into a DOM element
 * with id="qr-reader" — make sure this element exists in your component.
 */
export declare function useScan(options?: UseScanOptions): UseScanReturn;
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