/**
 * Class for channel related functions (joining, leaving, subscribing and sending messages)
 */
export declare class Channel {
    /**
     * @param {String} topic - topic to subscribe to
     * @param {Socket} socket - A Socket instance
     */
    constructor(topic: any, socket: any);
    /**
     * Join a channel, subscribe to all channels messages
     */
    join(): void;
    /**
     * Leave a channel, stop subscribing to channel messages
     */
    leave(): void;
    /**
     * Calls all message handlers with a matching subject
     */
    handleMessage(msg: any): void;
    /**
     * Subscribe to a channel subject
     * @param {String} subject - subject to listen for: `msg:new`
     * @param {function} callback - callback function when a new message arrives
     */
    on(subject: any, callback: any): void;
    /**
     * Send a new message to the channel
     * @param {String} subject - subject to send message to: `msg:new`
     * @param {Object} payload - payload object: `{message: 'hello'}`
     */
    push(subject: any, payload: any): void;
}
/**
 * Class for maintaining connection with server and maintaining channels list
 */
export declare class Socket {
    /**
     * @param {String} endpoint - Websocket endpont used in routes.cr file
     */
    constructor(endpoint: any);
    /**
     * Returns whether or not the last received ping has been past the threshold
     */
    _connectionIsStale(): boolean;
    /**
     * Tries to reconnect to the websocket server using a recursive timeout
     */
    _reconnect(): void;
    /**
     * Returns an incrementing timeout interval based around the number of reconnection retries
     */
    _reconnectInterval(): number;
    /**
     * Sets a recursive timeout to check if the connection is stale
     */
    _poll(): void;
    /**
     * Clear polling timeout and start polling
     */
    _startPolling(): void;
    /**
     * Sets `lastPing` to the curent time
     */
    _handlePing(): void;
    /**
     * Clears reconnect timeout, resets variables an starts polling
     */
    _reset(): void;
    /**
     * Connect the socket to the server, and binds to native ws functions
     * @param {Object} params - Optional parameters
     * @param {String} params.location - Hostname to connect to, defaults to `window.location.hostname`
     * @param {String} parmas.port - Port to connect to, defaults to `window.location.port`
     * @param {String} params.protocol - Protocol to use, either 'wss' or 'ws'
     */
    connect(params: any): Promise<unknown>;
    /**
     * Closes the socket connection permanently
     */
    disconnect(): void;
    /**
     * Adds a new channel to the socket channels list
     * @param {String} topic - Topic for the channel: `chat_room:123`
     */
    channel(topic: any): Channel;
    /**
     * Message handler for messages received
     * @param {MessageEvent} msg - Message received from ws
     */
    handleMessage(msg: any): void;
}
declare const _default: {
    Channel: typeof Channel;
    Socket: typeof Socket;
};
export default _default;