import { Debugger } from './utils/Debugger';
declare class Downloader extends Debugger {
    #private;
    private constructor();
    protected get debugName(): string;
    get version(): number;
    static getInstance(): Downloader;
    fetch(src: string, requestOptions?: RequestInit, retries?: number): Promise<Response>;
    download(src: string, requestOptions?: RequestInit, retries?: number): Promise<string>;
}
export type { Downloader };
export declare const getDownloader: () => Downloader;