import type { SinonStub } from 'sinon';
export declare const getOptions: () => Parameters<typeof window.fetch>[1];
export declare const install: () => void;
export declare const restore: () => void;
export declare const getMethod: () => string;
export declare const getBody: () => BodyInit | null;
export declare const getUrl: () => string | URL;
export declare const getRequestHeaders: () => HeadersInit;
export declare const respondWith: (data: BodyInit, options?: ResponseInit) => SinonStub<any[], any>;
export declare const wasCalled: () => boolean;
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