import { EventEmitter } from 'events';
import { AgentRegistry } from './AgentRegistry';
import { WebSocketServer } from './WebSocketServer';
import { RouterConfig } from '../types';
/**
 * Core routing engine for Inter-Agent Protocol (I.A.P.) messages
 * Handles message reception, agent selection, and error management
 */
export declare class Router extends EventEmitter {
    private wsServer;
    private agentRegistry;
    private config;
    private pendingTasks;
    private taskTimeouts;
    constructor(wsServer: WebSocketServer, agentRegistry: AgentRegistry, config: RouterConfig);
    /**
     * Setup event handlers for WebSocket server
     */
    private setupEventHandlers;
    /**
     * Handle incoming I.A.P. message
     */
    private handleMessage;
    /**
     * Handle agent handshake (registration)
     */
    private handleHandshake;
    /**
     * Handle task request from agent or external source
     */
    private handleTaskRequest;
    /**
     * Handle task response from agent
     */
    private handleTaskResponse;
    /**
     * Handle capability query
     */
    private handleCapabilityQuery;
    /**
     * Handle heartbeat message
     */
    private handleHeartbeat;
    /**
     * Handle error message from agent
     */
    private handleErrorMessage;
    /**
     * Select best agent for a task
     */
    private selectAgent;
    /**
     * Handle agent disconnection
     */
    private handleAgentDisconnection;
    /**
     * Handle task failure
     */
    private handleTaskFailure;
    /**
     * Retry a failed task
     */
    private retryTask;
    /**
     * Set timeout for a task
     */
    private setTaskTimeout;
    /**
     * Clear timeout for a task
     */
    private clearTaskTimeout;
    /**
     * Send error message to connection
     */
    private sendError;
    /**
     * Validate I.A.P. message structure
     */
    private validateMessage;
    /**
     * Generate unique message ID
     */
    private generateMessageId;
    /**
     * Get router statistics
     */
    getStats(): {
        pendingTasks: number;
        agentStats: {
            totalAgents: number;
            onlineAgents: number;
            offlineAgents: number;
            totalCapabilities: number;
            totalTasksInProgress: number;
            totalTasksCompleted: number;
            totalTasksFailed: number;
        };
        connectionStats: import("../types").ConnectionStats;
    };
    /**
     * Stop the router
     */
    stop(): void;
}
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