export interface OCRExtractOptions {
    language?: string;
    preserveLayout?: boolean;
}
export interface OCRExtractResult {
    text: string;
    confidence: number;
    words?: Array<{
        text: string;
        confidence: number;
        bbox: {
            x0: number;
            y0: number;
            x1: number;
            y1: number;
        };
    }>;
    metadata: {
        language: string;
        extractedAt: string;
    };
}
export interface OCRSearchResult {
    text: string;
    confidence: number;
    position: number;
    context: string;
    bbox?: {
        x0: number;
        y0: number;
        x1: number;
        y1: number;
    };
}
export declare class OCRParser {
    private worker;
    private currentLanguage;
    /**
     * Initialize the OCR worker
     */
    private getWorker;
    /**
     * Extract text from an image file using OCR
     */
    extractText(filePath: string, options?: OCRExtractOptions): Promise<OCRExtractResult>;
    /**
     * Extract text from multiple images
     */
    extractFromMultiple(filePaths: string[], options?: OCRExtractOptions): Promise<{
        results: OCRExtractResult[];
        combinedText: string;
    }>;
    /**
     * Search for text in an image
     */
    searchText(filePath: string, query: string, caseSensitive?: boolean, language?: string): Promise<OCRSearchResult[]>;
    /**
     * Get supported languages
     */
    getSupportedLanguages(): string[];
    /**
     * Terminate the worker to free resources
     */
    terminate(): Promise<void>;
}
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