import type { Express } from 'express';
import type { RouteMetaData, RouteMetaDataMulti } from '../types';
/**
 * Parses an Express app and returns its routes with metadata. Auto-detects
 * Express 4 vs Express 5; works with both. For Express 5, requires that
 * `express-route-parser` was imported before any router was constructed
 * (the auto-installed instrumentation captures mount paths at that time).
 */
export declare function parseExpressApp(app: Express, options?: {
    multipleMetadata?: false;
}): RouteMetaData[];
export declare function parseExpressApp(app: Express, options: {
    multipleMetadata: true;
}): RouteMetaDataMulti[];
export { onlyForTesting } from './v4';