import type { Dirent } from "node:fs";
/**
 * Find all items in a directory that satisfies the given `matcher`.
 *
 * @param dirPath
 * @param matcher
 * @returns An array of matching items.
 */
export declare const filterDirContents: (dirPath: string, matcher: (dirent: Dirent) => boolean) => Promise<Dirent[]>;
/**
 * Check whether a file exists at the given path.
 *
 * @param filePath
 * @returns true if `filePath` points to a file, false otherwise.
 */
export declare const fileExists: (filePath: string) => Promise<boolean>;