import { AxiosRequestConfig } from 'axios';
export interface AxiosRequestConfigWithUrl extends AxiosRequestConfig {
    url: string;
}
export declare let defaultConfig: AxiosRequestConfig;
export declare function download(url: string, directory?: string, file?: string | null): Promise<string>;
export declare function download(config: AxiosRequestConfigWithUrl, directory?: string, file?: string | null): Promise<string>;