import { EventEmitter } from 'events';
import { Logger } from '../utils/Logger';
export interface GsiServerOptions {
    port?: number;
    logger?: Logger | null;
}
/**
 * WebSocket server for broadcasting CS2 game state updates to connected clients.
 * Manages client connections and provides real-time game data streaming.
 */
export declare class GsiServer extends EventEmitter {
    private port;
    private clients;
    private logger;
    private wss;
    /**
     * Creates a new GsiServer instance.
     * @param {Object} options - Configuration options
     * @param {number} [options.port=4000] - WebSocket server port
     * @param {Logger} [options.logger] - Logger instance
     */
    constructor({ port, logger }?: GsiServerOptions);
    /**
     * Starts the WebSocket server and begins accepting connections.
     */
    start(): void;
    /**
     * Broadcasts a message to all connected clients.
     * @param {string} type - Message type identifier
     * @param {Object} payload - Message payload data
     */
    broadcast(type: string | symbol, payload: any): void;
    /**
     * Stops the WebSocket server and closes all connections.
     */
    stop(): void;
    /**
     * Returns the number of currently connected clients.
     * @returns Number of connected clients
     */
    getClientCount(): number;
    /**
     * Checks if the server is currently running.
     * @returns True if server is running
     */
    isRunning(): boolean;
}