/**
 * UDSServer — Cross-platform IPC server (Unix Domain Socket / Named Pipe)
 *
 * Implements the IIPCServer interface for PTYIPCBridge.
 * Handles:
 * - net.createServer on UDS (macOS/Linux) or Named Pipe (Windows)
 * - Connection lifecycle (accept, track, close)
 * - Wire format decode/encode (length-prefixed MessagePack)
 * - Hello/welcome handshake (intercepted before routing)
 * - Heartbeat/heartbeat:ack (intercepted before routing)
 * - Namespace-based message routing to endpoint handlers
 * - Socket file cleanup (Unix only; named pipes auto-cleanup)
 *
 * Ported from p008-claude-on-the-go/packages/desktop IPCServiceImpl.
 */
import { EventEmitter } from 'events';
import type { IMessageBus } from './ipc-transport.js';
import type { IIPCServer } from './ipc-bridge.js';
export interface UDSServerConfig {
    socketPath: string;
    maxConnections?: number;
    connectionTimeout?: number;
}
/**
 * Handler for namespace-routed messages.
 */
export type NamespaceHandler = (connectionId: string, message: {
    namespace: string;
    type: string;
    payload: unknown;
}) => void;
export declare class UDSServer extends EventEmitter implements IIPCServer {
    private server;
    private connections;
    private config;
    private endpoints;
    private messageBus;
    constructor();
    getMessageBus(): IMessageBus | null;
    start(config: UDSServerConfig): void;
    stop(): void;
    isRunning(): boolean;
    dispose(): void;
    isNamedPipe(): boolean;
    getConnectionCount(): number;
    closeConnection(connectionId: string): void;
    /**
     * Register a namespace endpoint handler.
     * Returns an unsubscribe function.
     */
    registerEndpoint(namespace: string, handler: NamespaceHandler): () => void;
    /**
     * Send a namespaced message to a specific connection using MessagePack framing.
     */
    sendNamespaced(connectionId: string, namespace: string, type: string, payload?: unknown): boolean;
    private handleConnection;
    private handleData;
    private handleHello;
    private handleHeartbeat;
}
export declare function createUDSServer(): UDSServer;
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