import '../matchers'; export declare function defineWindowProperty(propertyKey: string, propertyValue?: object): Window & typeof globalThis; export declare const headers: { json: { 'Content-Type': string; }; defaultLang: { 'Accept-Language': string; }; lang: (lang: string) => { 'Accept-Language': string; }; accessToken: (token: string) => { Authorization: string; }; jsonAndDefaultLang: { 'Accept-Language': string; 'Content-Type': string; }; }; export declare function expectIframeWithParams(iframeId: string, src: string): Promise; export declare const mockWindowCrypto: { getRandomValues: (_array: Uint8Array) => Uint8Array; randomUUID: () => string; subtle: { digest: (_algorithm: AlgorithmIdentifier, _data: ArrayBuffer) => Promise; }; };