import { AxiosRequestConfig, AxiosResponse } from 'axios';
import { FinalParameters, SpiderSiteConfig, SpiderTask } from './spider';
export declare class RecoverableFetchError extends Error {
    constructor(m: string);
}
export declare class SkippableFetchError extends Error {
    constructor(m: string);
}
export interface RetryOpts {
    maxRetries?: number;
    requestTimeout?: number;
    recoverableHttpStatus?: number[];
    skippableHttpStatus?: number[];
    retryDelay?: number;
}
export declare type RetryOptsFinal = FinalParameters<RetryOpts>;
declare type OmittedAxiosRequestConfig = Omit<AxiosRequestConfig, 'url'>;
export interface AxiosRequestConfigExtended extends OmittedAxiosRequestConfig {
    url: string | string[];
}
export declare class HttpFetch {
    protected spider: SpiderTask;
    static readonly recoverableHttpStatuses: number[];
    static readonly skippableHttpStatuses: number[];
    constructor(spider: SpiderTask);
    protected isRecoverableError(err: any, retryOpts: RetryOptsFinal): boolean;
    protected isSkippableError(err: any, retryOpts: RetryOptsFinal): boolean;
    protected attemptFetch(requestOpts: AxiosRequestConfig, retryOpts: RetryOptsFinal): Promise<AxiosResponse<any>>;
    fetch(requestOpts: AxiosRequestConfigExtended, retryOpts: RetryOpts): Promise<AxiosResponse<any>>;
    static determineRetryOpts(siteConfig: SpiderSiteConfig): RetryOpts;
}
export {};
//# sourceMappingURL=http-fetch.d.ts.map