interface GracefulShutdownOptions {
    maxWaitSeconds?: number;
    checkIntervalMs?: number;
}
/**
 * Creates a Spiceflow middleware that tracks in-flight requests and prevents
 * the process from exiting while requests are being processed.
 *
 * @param options - Configuration options
 * @param options.maxWaitSeconds - Maximum time to wait for requests to complete (default: 300)
 * @param options.checkIntervalMs - Interval to check if requests are complete (default: 250)
 * @returns Spiceflow app that can be mounted with .use()
 */
export declare function preventProcessExitIfBusy(options?: GracefulShutdownOptions): any;
export {};
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