import type { InternalMiddleware } from '../types';
export declare function isMetadataEnabled(): boolean;
/**
 * Exposes the metadata of mounted widgets in a custom
 * `<meta name="instantsearch:widgets" />` tag. The metadata per widget is:
 * - applied parameters
 * - widget name
 * - connector name
 */
export declare function createMetadataMiddleware({ $$internal, }?: {
    $$internal?: boolean;
}): InternalMiddleware;