import { SignalMessage } from "../../shared/messageTypes";
import EventEmitter from "eventemitter3";
export interface SignalingClientOptions {
    baseUrl?: string;
    embeddedServer?: boolean;
    port?: number;
}
/**
 * Hybrid Signaling Client:
 * - Browser → uses /discover API
 * - Node.js → uses Bonjour mDNS
 * - Embedded mode → spins up its own LocalBeamServer
 * - Fallback → localhost:5000
 */
export declare class SignalingClient extends EventEmitter {
    private socket;
    private messageQueue;
    private isConnected;
    private clientId;
    private baseUrl?;
    private embeddedServer?;
    private port?;
    private serverInstance;
    constructor(clientId?: string, options?: SignalingClientOptions);
    connect(): Promise<void>;
    private initWebSocket;
    send(message: SignalMessage): void;
    close(): void;
}