export interface ServiceCall {
    method: string;
    args: unknown[];
    result?: unknown;
    error?: unknown;
}
export interface FetchRoute {
    method?: string;
    url: string | ((url: string) => boolean);
    status?: number;
    json?: unknown;
    text?: string;
    error?: Error;
}
export declare function fakeService<T extends object>(stubs?: Partial<T>): T & {
    calls: ServiceCall[];
};
export declare function fakeFetch(routes: FetchRoute[]): typeof globalThis.fetch & {
    calls: Request[];
};