import { HttpRequest } from '../../../../../types';
/**
 * Returns the hashed payload.
 *
 * @param body `body` (payload) from the request.
 * @returns String created using the payload in the body of the HTTP request as input to a hash function. This string
 * uses lowercase hexadecimal characters. If the payload is empty, return precalculated result of an empty hash.
 *
 * @internal
 */
export declare const getHashedPayload: (body: HttpRequest['body']) => string;