/**
 * File Manager for handling image file operations
 * Provides functionality for saving images and managing directories
 */
import type { Result } from '../types/result';
import { FileOperationError } from '../utils/errors';
/**
 * Interface for file management operations
 */
export interface FileManager {
    saveImage(imageData: Buffer, outputPath: string, format?: string): Promise<Result<string, FileOperationError>>;
    ensureDirectoryExists(dirPath: string): Result<void, FileOperationError>;
    generateFileName(): string;
}
/**
 * Creates a file manager for image file operations
 * @returns FileManager implementation
 */
export declare function createFileManager(): FileManager;
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