import './scannerNativeTypes.js';
import type { ScannerEngine } from './selectEngine.js';
import { type BarcodeScannerFormatProfile } from './scannerFormats.js';
export type ScannerStatus = 'idle' | 'starting' | 'running' | 'denied' | 'error';
export declare const SCANNER_DISTANCE_ASSIST_DELAY_MS = 1500;
/** @deprecated Distance-zoom assist delay only — @zxing assist starts on frame 0 (v2.2). */
export declare const SCANNER_ZBAR_ZXING_ASSIST_DELAY_MS = 1500;
export declare const SCANNER_DISTANCE_ZOOM_DELAY_MS = 1500;
/** Minimum gap after a successful decode before another emit (G30 post-decode UX). */
export declare const SCANNER_POST_DECODE_COOLDOWN_MS = 600;
export interface UseBarcodeScannerMessages {
    permissionDenied: string;
    noCamera: string;
    starting: string;
    runningNative: string;
    runningZxing: string;
    error: string;
    scannerOff: string;
    zbarBootstrapFailed?: string;
    runningZbar?: string;
    /** Shown when `degradedMode === true` (ZBar unavailable, @zxing/native running). */
    runningDegraded?: string;
    insecureContext?: string;
    cameraInUse?: string;
    policyBlocked?: string;
}
export interface UseBarcodeScannerOptions {
    enabled: boolean;
    videoRef: React.RefObject<HTMLVideoElement | null>;
    onDecode: (rawValue: string) => void;
    messages: UseBarcodeScannerMessages;
    formatProfile?: BarcodeScannerFormatProfile;
    onBackgroundStop?: () => void;
    sessionKey?: number;
    preAcquiredStreamRef?: React.MutableRefObject<MediaStream | null>;
}
export interface UseBarcodeScannerReturn {
    status: ScannerStatus;
    engine: ScannerEngine | null;
    zxingAssistActive: boolean;
    /** True when ZBar WASM failed to boot and @zxing/native degraded path is active. */
    degradedMode: boolean;
    errorMessage: string | null;
}
/**
 * Live camera barcode/QR decode — multi-engine parallel (ZBar + native + @zxing).
 */
export declare function useBarcodeScanner(options: UseBarcodeScannerOptions): UseBarcodeScannerReturn;
//# sourceMappingURL=useBarcodeScanner.d.ts.map