import { EventEmitter } from 'events';
/**
 * SmartAPI Order Status WebSocket client
 * Implementation based on Order Status WebSocket API documentation
 * Used for real-time order updates
 */
export declare class OrderStatusWebSocket extends EventEmitter {
    private jwtToken;
    private wsUrl;
    private ws;
    private connectionState;
    private reconnectAttempts;
    private maxReconnectAttempts;
    private reconnectInterval;
    private heartbeatInterval;
    private pingInterval;
    private debug;
    private isBrowser;
    private clientCode;
    /**
     * Initialize a new OrderStatusWebSocket client
     * @param jwtToken JWT token from login API (auth token)
     * @param debug Enable debug logging
     */
    constructor(jwtToken: string, debug?: boolean);
    /**
     * Log debug messages if debug mode is enabled
     * @param message Message to log
     * @param data Optional data to log
     */
    private log;
    /**
     * Connect to the Order Status WebSocket server
     */
    connect(): Promise<boolean>;
    /**
     * Attempt to reconnect to the WebSocket server
     */
    private attemptReconnect;
    /**
     * Set up ping/pong heartbeat to keep the connection alive
     * According to the documentation, clients should send a ping message every 10 seconds
     */
    private setupHeartbeat;
    /**
     * Clear the heartbeat interval
     */
    private clearHeartbeat;
    /**
     * Disconnect from the WebSocket server
     */
    disconnect(): void;
    /**
     * Check if the WebSocket is currently connected
     * @returns True if connected, false otherwise
     */
    isConnected(): boolean;
    /**
     * Get the client code received in the connection response
     * @returns Client code or empty string if not connected yet
     */
    getClientCode(): string;
    /**
     * Set the JWT token (useful if token gets refreshed)
     * @param jwtToken New JWT token
     */
    setJwtToken(jwtToken: string): void;
}