/**
 * Azure Computer Vision OCR Provider
 * Uses Azure Cognitive Services Computer Vision API for OCR
 */
import { IOCRProvider, OCRResult, OCRConfig } from './ocr-interfaces';
export declare class AzureVisionProvider implements IOCRProvider {
    readonly name = "azure-computer-vision";
    private client;
    private computerVision;
    private msRest;
    constructor(endpoint?: string, key?: string);
    /**
     * Check if Azure Computer Vision is available
     */
    isAvailable(): Promise<boolean>;
    /**
     * Extract text from image buffer
     */
    extractText(image: Buffer, config?: OCRConfig): Promise<OCRResult>;
    /**
     * Extract text from image file
     */
    extractTextFromFile(imagePath: string, config?: OCRConfig): Promise<OCRResult>;
    /**
     * Extract text from multiple images
     */
    extractTextFromImages(images: Buffer[], config?: OCRConfig): Promise<OCRResult[]>;
    /**
     * Ensure Azure Computer Vision is available
     */
    private ensureAvailable;
    /**
     * Convert Azure result to our format
     */
    private convertAzureResult;
    /**
     * Sleep helper for polling
     */
    private sleep;
}
//# sourceMappingURL=azure-vision-provider.d.ts.map