/**
 * Heartbeat monitor with auto-reconnect via exponential backoff.
 */
import type { ElizaCloudClient } from "./bridge-client";
export interface ConnectionMonitorCallbacks {
    onDisconnect: () => void;
    onReconnect: () => void;
    onStatusChange?: (status: "connected" | "reconnecting" | "disconnected") => void;
}
export declare class ConnectionMonitor {
    private client;
    private agentId;
    private callbacks;
    private heartbeatIntervalMs;
    private maxFailures;
    private timer;
    private consecutiveFailures;
    private reconnecting;
    constructor(client: ElizaCloudClient, agentId: string, callbacks: ConnectionMonitorCallbacks, heartbeatIntervalMs?: number, maxFailures?: number);
    start(): void;
    stop(): void;
    isMonitoring(): boolean;
    private tick;
    private attemptReconnect;
}
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