import { Options } from "./types";
/**
 * Normalize the options for the ancesdir function.
 *
 * This takes the possible call signatures for ancesdir and returns a
 * normalized Options object.
 *
 * @param {string | Partial<Options>} fromOrOptions - The starting path or
 * options object.
 * @param {string} [marker] - The marker file to search for.
 * @returns {Options} The normalized options.
 */
export declare const normalizeOptions: (fromOrOptions?: string | Partial<Options>, marker?: string) => Options;