export type FetchMock = {
    url?: string;
    urlPattern?: string;
    method?: string;
    body?: string | Record<string, unknown>;
    bodyPattern?: string;
    returnFile?: string;
    return?: unknown;
    status?: number;
    headers?: Record<string, string>;
};
export declare function installFetchMock(mocks: FetchMock[]): () => void;