/// <reference types="react" />
import { DecodeHintType, Exception, Result } from "@zxing/library";
export interface UseZxingOptions {
    paused?: boolean;
    hints?: Map<DecodeHintType, any>;
    timeBetweenDecodingAttempts?: number;
    onDecodeResult?: (result: Result) => void;
    onDecodeError?: (error: Exception) => void;
    onError?: (error: unknown) => void;
}
export interface UseZxingOptionsWithConstraints extends UseZxingOptions {
    constraints?: MediaStreamConstraints;
}
export interface UseZxingOptionsWithDeviceId extends UseZxingOptions {
    deviceId: string;
}
export declare const useZxing: (options?: UseZxingOptionsWithConstraints | UseZxingOptionsWithDeviceId) => {
    ref: import("react").RefObject<HTMLVideoElement | null>;
    torch: {
        isOn: boolean;
        isAvailable: boolean | null;
        on: () => Promise<void>;
        off: () => Promise<void>;
    };
};