/// <reference types="node" />
import { BodyInit, Response } from 'node-fetch';
import { ReadStream } from 'fs';
import { Instantiable, InstantiableConfig } from '../../Instantiable.abstract';
import { URL } from 'whatwg-url';
export declare class WebServiceConnector extends Instantiable {
    constructor(config: InstantiableConfig);
    post(url: string, payload: BodyInit, headers?: {
        [header: string]: string;
    }): Promise<Response>;
    get(url: string | URL, headers?: {
        [header: string]: string;
    }): Promise<Response>;
    put(url: string, payload: BodyInit, headers?: {
        [header: string]: string;
    }): Promise<Response>;
    delete(url: string, payload?: BodyInit, headers?: {
        [header: string]: string;
    }): Promise<Response>;
    downloadFile(url: string, destination?: string, index?: number, headers?: {
        [key: string]: string;
    }): Promise<string>;
    private getFileResponse;
    downloadUrl(url: string, headers?: any): Promise<string>;
    uploadMessage(url: string, data: string, encrypt?: boolean): Promise<any>;
    uploadFile(url: string, data: ReadStream, encrypt?: boolean): Promise<any>;
    fetchToken(url: string, grantToken: string, numberTries?: number): Promise<Response>;
    fetchCID(cid: string): Promise<string>;
    private static getIPFSAuthToken;
    private fetch;
    private _sleep;
}