export declare function getHomeDir(): string;
/**
 * Expand ~ to the user's home directory.
 */
export declare function expandTilde(p: string): string;
/**
 * Contract the home directory prefix back to ~.
 */
export declare function contractTilde(p: string): string;
/**
 * Resolve a target path (expand tilde, resolve relative).
 */
export declare function resolveTargetPath(p: string): string;
/**
 * Ensure a directory exists, creating it recursively if needed.
 */
export declare function ensureDir(dirPath: string): Promise<void>;
/**
 * Check if a file exists.
 */
export declare function fileExists(filePath: string): Promise<boolean>;
/**
 * Check if a path is a directory.
 * Returns false if path doesn't exist or is not a directory.
 */
export declare function isDirectory(filePath: string): Promise<boolean>;
export declare function isInsideDir(filePath: string, dir: string): boolean;