import type { RestFetchConstructorOptions, RestFetchRequestOptions } from '@vunk/core/shared/types';
export declare class RestFetch {
    baseURL: RestFetchConstructorOptions['baseURL'];
    setRequestInit: RestFetchConstructorOptions['setRequestInit'];
    presetRequestInit: RestFetchConstructorOptions['presetRequestInit'];
    responseThen: RestFetchConstructorOptions['responseThen'];
    requestThen: RestFetchConstructorOptions['requestThen'];
    timeout: RestFetchConstructorOptions['timeout'];
    ontimeout: RestFetchConstructorOptions['ontimeout'];
    protected caches: Record<string, Promise<Response>>;
    protected queues: Record<string, {
        promise: Promise<Response>;
        abortController: AbortController;
    }[]>;
    constructor(options: RestFetchConstructorOptions);
    response(options: RestFetchRequestOptions, requestInit?: RequestInit): Promise<any>;
    request(options: RestFetchRequestOptions, ...args: any[]): Promise<any>;
    download(downloadOpts: {
        url: string;
        fileName?: string;
        overwriteName?: boolean;
    }, options?: Partial<RestFetchRequestOptions>, requestInit?: RequestInit): Promise<void>;
    private initFetch;
}