import { Request, Response } from 'express';
/**
 * API endpoints for basic health/connectivity checks.
 */
export declare class PingApi {
    /**
     * No-op endpoint that just returns HTTP 200.
     *
     * @param _req - Express request object (unused)
     * @param res - Express response object
     */
    ping(_req: Request, res: Response): Promise<void>;
}
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