import { ethers } from 'ethers';
declare const BetterWebSocketProvider_base: new () => ethers.providers.WebSocketProvider;
export declare class BetterWebSocketProvider extends BetterWebSocketProvider_base {
    private providerUrl;
    private provider?;
    private events;
    private requests;
    private handler;
    constructor(providerUrl: string);
    private create;
}
export {};