import type BarcodeReaderType from "dynamsoft-javascript-barcode";
import { type RefObject } from "react";
declare global {
    interface Window {
        BarcodeReader: typeof BarcodeReaderType;
    }
}
export declare function useScanner(rootRef: RefObject<HTMLElement | null>, canvasRef: RefObject<HTMLCanvasElement | null>, onRead: (barcode: string) => void): {
    devices: BarcodeReaderType.VideoDeviceInfo[];
    error: {
        message: string;
        icon: string;
    } | null;
    isLoading: boolean;
    setNextDevice: () => void;
};