import { AxiosResponse } from 'axios';
interface SpdieyProxy {
    host: string;
    port: number;
    auth?: {
        username: string;
        password: string;
    };
}
export interface SpideyOptions {
    concurrency?: number;
    delay?: number;
    retries?: number;
    retryStatusCode?: number[];
    itemConcurrency?: number;
    outputFormat?: OutputFormat;
    outputFileName?: string;
    logLevel?: 'info' | 'debug' | 'error';
    proxy?: SpdieyProxy;
    proxyUrl?: string;
    continuous?: boolean;
    pipelines?: ISpideyPipeline[];
    [key: string]: any;
}
export interface RequestOptions {
    url: string;
    method?: string;
    headers?: any;
    body?: any;
    json?: boolean;
    timeout?: number;
    meta?: any;
    inline?: boolean;
    proxy?: SpdieyProxy;
    proxyUrl?: string;
    priority?: number;
}
export interface SpideyResponse extends AxiosResponse {
    $: any;
    xpath: any;
    meta?: any;
    url: string;
}
export interface SpideyPipeline<T = any> {
    start?(): void | Promise<void>;
    process(data: T): T | Promise<T>;
    complete?(): void | Promise<void>;
}
export interface SpideyStatistics {
    items: number;
    requests: number;
    retries: number;
    success: number;
    failed: number;
    startTime?: Date;
    endTime?: Date;
}
export declare type OutputFormat = 'json' | 'csv' | 'tsv' | 'txt';
export declare type SpideyResponseCallback = (response: SpideyResponse) => void;
export declare type ISpideyPipeline = new (options?: SpideyOptions) => SpideyPipeline;
export {};