import type { LocalUtilsHarLookupParams } from '../har';
/**
 * Creates a transformer for automatically adding the x-tests-duplicate-id header
 * to requests when searching in a HAR file.
 *
 * This allows distinguishing identical requests without changing test code.
 *
 * The header is NOT added to the first request (for backward compatibility with old HARs),
 * and is added starting from the second: 2, 3, 4...
 */
export declare function createDuplicateIdTransform(): (params: LocalUtilsHarLookupParams) => LocalUtilsHarLookupParams;