import { type Options, StreamEvent } from './types';
import type Poller from './poller';
import type { Emitter } from 'mitt';
export declare class Streamer {
    private eventBus;
    private configurations;
    private url;
    private apiKey;
    private standardHeaders;
    private fallbackPoller;
    private logDebug;
    private logError;
    private eventCallback;
    private maxRetries;
    private xhr;
    private closed;
    private readTimeoutCheckerId;
    private connectionOpened;
    private disconnectEventEmitted;
    private reconnectAttempts;
    private retriesExhausted;
    constructor(eventBus: Emitter, configurations: Options, url: string, apiKey: string, standardHeaders: Record<string, string>, fallbackPoller: Poller, logDebug: (...data: any[]) => void, logError: (...data: any[]) => void, eventCallback: (e: StreamEvent) => void, maxRetries: number);
    start(): void;
    close(): void;
    private fallBackToPolling;
    private stopFallBackPolling;
    private logDebugMessage;
    private logErrorMessage;
}