/// <reference types="node" />
import { EventEmitter } from "events";
interface ConnectionOptions {
    url: string;
    token: string;
}
export interface Message {
    event: string;
    data: any;
    channel?: string;
}
export declare enum State {
    INIT = "initialized",
    ERROR = "error",
    CLOSED = "closed",
    CONNECTING = "connecting",
    OPEN = "open"
}
export declare enum EmitterEvent {
    INIT = "initialized",
    ERROR = "error",
    CLOSED = "closed",
    CONNECTING = "connecting",
    OPEN = "open",
    MSG = "message"
}
export declare class Connection {
    state: State;
    url: string;
    token: string;
    emitter: EventEmitter;
    socket: WebSocket | undefined;
    constructor(options: ConnectionOptions);
    bind(event: string, callback?: any): Connection;
    unbind(event: string, callback?: any): Connection;
    connect(token: string): boolean;
    close(): boolean;
    changeState(state: State, params?: any): void;
    bindListeners(): void;
    unbindListeners(): void;
    onOpen(evt: Event): void;
    onError(error: Event): void;
    onClose(closeEvent: CloseEvent): void;
    onMessage(event: MessageEvent): void;
    send(event: string, data: any, channel?: string | undefined): void;
}
export {};