import type NodeFetch from "node-fetch";
import type { RequestInfo as NodeFetchRequestInfo, RequestInit as NodeFetchRequestInit } from "node-fetch";
type Fetch = typeof NodeFetch | typeof fetch;
export interface BackoffOptions {
    maxRetries: number;
    delay: number;
}
export declare const fetchWithBackoff: (input: RequestInfo & NodeFetchRequestInfo, init?: RequestInit & NodeFetchRequestInit, fetch?: Fetch, { delay, maxRetries }?: BackoffOptions) => Promise<Response | import("node-fetch").Response>;
export {};