/**
 * Common utilities
 * Helper functions used across the codebase
 */
/**
 * Ensure a directory exists
 * @param dirPath Directory path to ensure exists
 * @returns Promise that resolves when the directory exists
 */
declare function ensureDirectoryExists(dirPath: string): Promise<void>;
/**
 * Normalize a path to use forward slashes
 * @param filePath Path to normalize
 * @returns Normalized path
 */
declare function normalizePath(filePath: string): string;
/**
 * Format a file size in a human-readable format
 * @param bytes Size in bytes
 * @param decimals Number of decimal places
 * @returns Formatted size string
 */
declare function formatFileSize(bytes: number, decimals?: number): string;
/**
 * Check if a path is a subdirectory of another path
 * @param parent Parent directory path
 * @param child Child path to check
 * @returns True if child is a subdirectory of parent
 */
declare function isSubdirectory(parent: string, child: string): boolean;
/**
 * Safely copy a file from source to destination using streams
 * @param source Source file path
 * @param destination Destination file path
 * @param overwrite Whether to overwrite if destination exists
 * @returns Promise that resolves when the copy is complete
 */
declare function copyFileWithStreams(source: string, destination: string, overwrite?: boolean): Promise<void>;
/**
 * Calculate total size of files
 * @param filePaths Array of file paths
 * @returns Promise resolving to total size in bytes
 */
declare function calculateTotalSize(filePaths: string[]): Promise<number>;
/**
 * Check if a file exists and is accessible
 * @param filePath Path to check
 * @returns Promise resolving to boolean indicating if file exists and is accessible
 */
declare function fileExists(filePath: string): Promise<boolean>;
/**
 * Get file extension from path
 * @param filePath File path
 * @returns File extension (without the dot) or empty string if no extension
 */
declare function getFileExtension(filePath: string): string;

export { calculateTotalSize, copyFileWithStreams, ensureDirectoryExists, fileExists, formatFileSize, getFileExtension, isSubdirectory, normalizePath };