/// <reference types="node" />
import { Stream } from 'stream';
import { AxiosRequestConfig, BufferEncoding } from './common';
/**
 * Based on the URL corresponding to the resource transform to buffer
 */
export declare const fastGetBuffer: (url: string, configs?: AxiosRequestConfig) => Promise<Buffer>;
/**
 * Based on the URL corresponding to the resource transform to stream
 */
export declare const fastGetStream: (url: string, configs?: AxiosRequestConfig) => Promise<Stream>;
/**
 * Based on the URL corresponding to the resource transform to a string in the specified format
 */
export declare const fastGetString: (url: string, type?: BufferEncoding, configs?: AxiosRequestConfig) => Promise<string>;
/**
 * Based on the URL download file
 */
export declare const fastDownload: (url: string, path: string, configs?: AxiosRequestConfig, isStream?: boolean) => Promise<string>;