import { HttpRequest } from '../../../../../types';
/**
 * Returns a canonical request.
 *
 * @param request `HttpRequest` from which to create the canonical request from.
 * @param uriEscapePath Whether to uri encode the path as part of canonical uri. It's used for S3 only where the
 *   pathname is already uri encoded, and the signing process is not expected to uri encode it again. Defaults to true.
 * @returns String created by by concatenating the following strings, separated by newline characters:
 * - HTTPMethod
 * - CanonicalUri
 * - CanonicalQueryString
 * - CanonicalHeaders
 * - SignedHeaders
 * - HashedPayload
 *
 * @internal
 */
export declare const getCanonicalRequest: ({ body, headers, method, url }: HttpRequest, uriEscapePath?: boolean) => string;