/**
 * Health check HTTP server.
 * Provides /health endpoint for container orchestration.
 */
import { type Server } from 'node:http';
/**
 * Health status response
 */
export interface HealthStatus {
    /** Overall status */
    status: 'healthy' | 'busy' | 'unhealthy';
    /** Uptime in milliseconds */
    uptime?: number;
    /** Last heartbeat timestamp */
    lastHeartbeat?: string;
    /** Currently executing job ID */
    currentJob?: string;
    /** Additional metadata */
    metadata?: Record<string, unknown>;
}
/**
 * Health server options
 */
export interface HealthServerOptions {
    /** Port to listen on */
    port: number;
    /** Host to bind to */
    host?: string;
    /** Function to get current health status */
    getStatus: () => HealthStatus;
}
/**
 * Health check HTTP server
 */
export interface HealthServer {
    /** Start listening */
    listen(): void;
    /** Stop the server */
    close(): void;
    /** Get the underlying HTTP server */
    getServer(): Server;
}
/**
 * Create a health check HTTP server
 */
export declare function createHealthServer(options: HealthServerOptions): HealthServer;
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