import type { Mastra } from '@mastra/core/mastra';
import type { Response } from 'express';
import type { MastraModuleOptions } from '../mastra.module.js';
import { ShutdownService } from '../services/shutdown.service.js';
/**
 * System controller for health checks and diagnostics.
 *
 * Routes are at the root level (not under the Mastra prefix) for compatibility
 * with Kubernetes, Docker, and container orchestration systems that typically
 * expect /health at root level.
 *
 * These routes are public (@Public) and skip rate limiting (@SkipThrottle).
 */
export declare class SystemController {
    private readonly mastra;
    private readonly options;
    private readonly shutdownService;
    constructor(mastra: Mastra, options: MastraModuleOptions, shutdownService: ShutdownService);
    /**
     * Health check endpoint.
     * Returns 200 if healthy, 503 if shutting down.
     */
    health(res: Response): {
        status: 'ok' | 'shutting_down';
        timestamp: string;
    };
    /**
     * Readiness check endpoint.
     * Returns 200 if ready to accept traffic, 503 if not.
     */
    ready(res: Response): {
        ready: boolean;
        activeRequests: number;
        timestamp: string;
    };
    /**
     * Version and info endpoint.
     */
    info(): {
        version: string;
        prefix: string;
        timestamp: string;
    };
}
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