import { GatewayIdentifyData, GatewayDispatchEvents, GatewayDispatchPayload } from 'discord-api-types/v10';

type DispatchListener<T extends `${GatewayDispatchEvents}`> = (event: Extract<GatewayDispatchPayload, {
    t: T;
}>) => any;
declare function createClient(gatewayUrl: string, identity: GatewayIdentifyData): Client;
declare class Client {
    #private;
    static create: typeof createClient;
    socket: WebSocket;
    closed: boolean;
    constructor(gatewayUrl: string, identity: GatewayIdentifyData);
    addEventListener<T extends `${GatewayDispatchEvents}`>(event: T | 'ALL', callback: DispatchListener<T>): this;
    removeEventListener<T extends `${GatewayDispatchEvents}`>(event: T | 'ALL', callback: DispatchListener<T>): this;
    close(code?: number): void;
}

export { Client, createClient };