import type { Synthesizer } from './synthesizer.js';
/**
 * Synthesizer for JavaScript `Date` objects.
 *
 * Dehydrated format:
 *   ["2024-01-01T00:00:00.000Z", { "s": "date" }]
 *
 * The date is stored as an ISO 8601 string (UTC) so it survives JSON
 * serialisation without any precision loss.
 */
export declare const DateSynthesizer: Synthesizer;