import { Photo } from './unsplashTypes.js';
/**
 * Class for handling image metadata operations using ExifTool
 */
export declare class MetadataManager {
    private exiftool;
    private initialized;
    constructor();
    /**
     * Initialize ExifTool when needed
     */
    private ensureInitialized;
    /**
     * Close ExifTool process when done
     */
    close(): Promise<void>;
    /**
     * Add Unsplash attribution metadata to an image
     */
    addAttributionMetadata(filePath: string, photo: Photo): Promise<void>;
    /**
     * Extract attribution metadata from an image
     */
    extractAttributionMetadata(filePath: string): Promise<Record<string, any>>;
}