/// <reference types="node" />
import { EventEmitter } from 'events';
import { URL } from 'url';
import { RawResult } from '../models/response';
export declare class EventSourceListner<T> extends EventEmitter {
    private url;
    private request;
    private state;
    private reconnect;
    private lastId;
    private heartbeatTimout;
    private idleTimeout;
    constructor(url: string | URL, reconnect?: boolean);
    private heartbeat;
    private handleResponse;
    connect(): void;
    close(force?: boolean): void;
    on(event: 'heartbeat', listener: () => void): this;
    on(event: 'connected', listener: () => void): this;
    on(event: 'message', listener: (data: T & RawResult) => void): this;
    on(event: 'error', listener: (err: Error) => void): this;
    on(event: 'reconnecting', listener: () => void): this;
    on(event: 'closed', listener: () => void): this;
}