/**
 * Directory Utilities
 *
 * Common utilities for directory operations
 *
 * @requirement TASK-3.1 - Refactor to Eliminate Duplication
 */
/**
 * Ensure directory exists, creating parent directories if needed
 *
 * @param dirPath - Directory path
 * @throws Error if directory cannot be created
 */
export declare function ensureDirectory(dirPath: string): Promise<void>;
/**
 * Ensure parent directory exists for a file path
 *
 * @param filePath - File path
 * @throws Error if directory cannot be created
 */
export declare function ensureParentDirectory(filePath: string): Promise<void>;
/**
 * Check if directory exists
 *
 * @param dirPath - Directory path
 * @returns True if directory exists
 */
export declare function directoryExists(dirPath: string): Promise<boolean>;
/**
 * Get all subdirectories in a directory
 *
 * @param dirPath - Directory path
 * @returns Array of subdirectory paths
 */
export declare function getSubdirectories(dirPath: string): Promise<string[]>;
/**
 * Remove directory and all contents
 *
 * @param dirPath - Directory path
 * @throws Error if removal fails
 */
export declare function removeDirectory(dirPath: string): Promise<void>;
/**
 * Copy directory and all contents
 *
 * @param srcDir - Source directory
 * @param destDir - Destination directory
 * @throws Error if copy fails
 */
export declare function copyDirectory(srcDir: string, destDir: string): Promise<void>;