import { ReceiptScanResponse, OCRConfig, PreprocessingOptions } from './types';
/**
 * Main OCR Pipeline for receipt processing
 */
export declare class OCRPipeline {
    private imageEnhancer;
    private ocrEngine;
    private receiptParser;
    private config;
    constructor(config?: Partial<OCRConfig>);
    /**
     * Process a receipt image and extract structured data
     * @param imagePath Path to image file or Buffer
     * @param options Optional preprocessing options
     * @returns Extracted receipt data with raw OCR text
     */
    processReceipt(imagePath: string | Buffer, options?: Partial<PreprocessingOptions>): Promise<ReceiptScanResponse>;
    /**
     * Process multiple receipts in batch
     */
    processBatch(imagePaths: (string | Buffer)[], options?: Partial<PreprocessingOptions>): Promise<ReceiptScanResponse[]>;
    /**
     * Clean up resources
     */
    cleanup(): Promise<void>;
    /**
     * Get preprocessing options based on level
     */
    private getPreprocessingOptions;
}
/**
 * Convenience function to process a single receipt
 */
export declare function processReceipt(imagePath: string | Buffer, config?: Partial<OCRConfig>): Promise<ReceiptScanResponse>;
export * from './types';
export { logger } from './utils/logger';
export { DEFAULT_CONFIG } from './utils/config';
//# sourceMappingURL=index.d.ts.map