import { SatelliteError, SocketCloseReason } from '../util/index.js';
export type Data = string | Uint8Array;
export interface ConnectionOptions {
    url: string;
}
export declare const AUTH_EXPIRED_CLOSE_EVENT = "JWT-expired";
export declare const PROTOCOL_VSN: string;
export interface Socket {
    open(opts: ConnectionOptions): this;
    write(data: Data): this;
    closeAndRemoveListeners(): this;
    onMessage(cb: (data: Data) => void): void;
    onError(cb: (error: SatelliteError) => void): void;
    onClose(cb: (reason: SocketCloseReason) => void): void;
    onceConnect(cb: () => void): void;
    onceError(cb: (error: SatelliteError) => void): void;
    removeErrorListener(cb: (error: SatelliteError) => void): void;
}
export type SocketFactory = new (protocolVersion: string) => Socket;