import type { ExpiryInput, ExpiryResult } from './types.js';
/**
 * Calculate product expiry date and remaining shelf life
 *
 * Supports two modes:
 * - calculateExpiry: Given production date + shelf life days, calculate expiry date
 * - calculateRemaining: Given production date + expiry date, calculate remaining days
 *
 * @param input - Expiry input parameters
 * @returns Expiry result with dates and remaining time
 */
export declare function expiry(input: ExpiryInput): ExpiryResult;
//# sourceMappingURL=expiry.d.ts.map