import _fetch, { RequestInit } from 'node-fetch';
export declare const nodeFetch: typeof _fetch;
export declare function fetch(url: string, config?: RequestInit): Promise<any>;
export declare function postFetch(url: string, data?: Record<string, any>): Promise<any>;
export declare function fetchStream(url: any, config?: Record<string, any>): Promise<_fetch.Response>;
export declare function putFetch(url: string, config?: RequestInit): Promise<boolean>;