import type { MigrateConfig } from './types';
/**
 * Lookup open pull request from feature branch name.
 *
 * @param config Migration configuration
 * @param latestVersion Latest Nx version
 * @returns pull request number if found, otherwise `undefined`
 */
export declare const lookupPullRequest: (config: MigrateConfig, latestVersion: string) => Promise<number | undefined>;