import type { NullishString } from '@flex-development/tutils';
/**
 * @file Utility - changelogVersions
 * @module grease/utils/changelogVersions
 */
/**
 * Returns an array of package versions in reverse-order. Versions are pulled
 * from headings in `changelog`, a string representing a `CHANGELOG` file in
 * Markdown format. Headings are assumed to be level two or three. Links are
 * supported (e.g: `## x.x.x`, `### [x.x.x](url)`).
 *
 * @param {NullishString} [changelog] - `CHANGELOG` content
 * @return {string[]} Package versions pulled from headings
 */
declare const changelogVersions: (changelog?: NullishString) => string[];
export default changelogVersions;