/**
 * Flowtype definitions for index
 * Generated by Flowgen from a Typescript Definition
 * Flowgen v1.21.0
 * @flow
 */

import {
  type,
  AWSOptions as _AWSOptions,
  type,
  FetchHeaders,
  type,
  FetchOptions,
} from "./types.js";
export type AWSOptions = _AWSOptions;
declare type FetchOptionsWithHeaders = {|
  ...{|
    headers: FetchHeaders,
  |},
  ...$Diff<FetchOptions, { headers: any }>,
|};
/**
 * @private Create canonical headers
 *
 * <pre>
 * CanonicalHeaders =
 *  CanonicalHeadersEntry0 + CanonicalHeadersEntry1 + ... + CanonicalHeadersEntryN
 * CanonicalHeadersEntry =
 *  Lowercase(HeaderName) + ':' + Trimall(HeaderValue) + '\n'
 * </pre>
 */
declare var getCanonicalHeaders: (headers: FetchHeaders) => string;
/**
 * @private The list of headers that were included in the canonical headers
 * For HTTP/1.1 requests, the host header must be included as a signed header.
 * For HTTP/2 requests that include the :authority header instead of the host header,
 * you must include the :authority header as a signed header. If you include a date or
 * x-amz-date header, you must also include that header in the list of signed headers.
 */
declare var getSignedHeaders: (headers: FetchHeaders) => string;
/**
 * @private [object Object],[object Object],[object Object]
 */
declare var getCanonicalString: (
  resource: string,
  fetchOptions: FetchOptionsWithHeaders
) => Promise<string>;
declare var getRegionFromResource: (resource: string) => string;
declare var getCredentialScope: (x: {|
  dateString: string,
  region: string,
  service: string,
|}) => string;
/**
 * @private [object Object],[object Object]
 */
declare var getStringToSign: (x: {|
  algorithm: string,
  canonicalString: string,
  dateTimeString: string,
  scope: string,
|}) => Promise<string>;
/**
 * @private [object Object],[object Object]
 */
declare var getSigningKey: (x: {|
  dateString: string,
  region: string,
  secretAccessKey: string,
  service: string,
|}) => Promise<string | Uint8Array<ArrayBuffer>>;
declare var getSignature: (
  signingKey: string | Uint8Array,
  stringToSign: string
) => Promise<string>;
/**
 * @private [object Object],[object Object]
 */
declare var getAuthorizationHeader: (x: {|
  accessKeyId: string,
  algorithm: string,
  scope: string,
  signature: string,
  signedHeaders: string,
|}) => string;
declare var getHeadersWithAuthorization: (
  resource: string,
  fetchOptions: FetchOptions,
  x: AWSOptions
) => Promise<FetchHeaders>;
declare export {
  getAuthorizationHeader,
  getCanonicalHeaders,
  getCanonicalString,
  getCredentialScope,
  getHeadersWithAuthorization,
  getRegionFromResource,
  getSignature,
  getSignedHeaders,
  getSigningKey,
  getStringToSign,
};