/**
 * Cross-platform path.join function that works in any JavaScript environment
 * Handles regular paths and file:// URLs from import.meta.url
 * @param segments - Path segments to join
 * @returns Joined path string
 */
export declare function join(...segments: string[]): string;
/**
 * Convert a file:// URL to a system path
 * @param fileUrl - A file:// URL (e.g., from import.meta.url)
 * @returns System path
 */
export declare function fileUrlToPath(fileUrl: string): string;
/**
 * Convert a system path to a file:// URL
 * @param path - System path
 * @returns file:// URL
 */
export declare function pathToFileUrl(path: string): string;
/**
 * Get the directory from a file URL or path
 * @param urlOrPath - File URL (like import.meta.url) or regular path
 * @returns Directory path
 */
export declare function dirname(urlOrPath: string): string;