/**
 * Wraps `decodeURIComponent` and throws an HTTP 400 error if the decoding
 * fails.
 */
export declare const decodePath: (path: string) => string;
/**
 * Returns `true` if the path exists, `false` otherwise.
 */
export declare const pathExists: (targetPath: string) => Promise<boolean>;
/**
 * Calls `fs.stat` on `filePath` and returns the result. If `fs.stat` throws an
 * error with code `ENOENT`, `ENAMETOOLONG`, or `ENOTDIR`, it throws an HTTP 404
 * error. Otherwise, it throws an HTTP 500 error.
 */
export declare const stat: (filePath: string) => Promise<import("fs").Stats>;
/**
 * Returns `true` if any filename part of the path starts with a dot.
 */
export declare const pathIsHidden: (root: string, targetPath: string) => boolean;
export declare function getFileType(file: string, ext: string): string;
/**
 * Resolve `relativePath` against `root` path.
 */
export declare const resolvePath: (rootPath: string, relativePath: string) => string;
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