/**
 * 条码识别模块
 * 支持 QR 码、条形码等多种格式
 */
/// <reference types="node" />
/// <reference types="node" />
import { PaddleOCROptions, BarcodeResult, BarcodeType } from "../typings";
import { OCRImageData as ImageData } from "../utils/image";
export declare class BarcodeRecognizer {
    private options;
    private model;
    private isInitialized;
    constructor(options: PaddleOCROptions);
    /**
     * 初始化条码识别模型
     */
    init(): Promise<void>;
    /**
     * 初始化 ONNX 模型
     */
    private initONNXModel;
    /**
     * 初始化 TensorFlow 模型
     */
    private initTensorflowModel;
    /**
     * 检测条码
     */
    detect(imageData: ImageData): Promise<BarcodeResult[]>;
    /**
     * 图像预处理
     */
    private preprocess;
    /**
     * 检测条码
     */
    private detectBarcodes;
    /**
     * 后处理结果
     */
    private postprocess;
    /**
     * 解析条码类型
     */
    private parseBarcodeType;
    /**
     * 生成条码
     */
    generate(data: string, type: BarcodeType, options?: {
        width?: number;
        height?: number;
        foreground?: string;
        background?: string;
    }): Promise<Buffer>;
    /**
     * 释放资源
     */
    dispose(): Promise<void>;
}
/**
 * 创建条码识别器
 */
export declare function createBarcodeRecognizer(options: PaddleOCROptions): BarcodeRecognizer;
export default BarcodeRecognizer;