import { z } from 'zod';
/**
 * W3C DTCG duration value format
 * @see https://www.designtokens.org/tr/2025.10/format/#duration
 */
export declare const durationValue: z.ZodObject<{
    value: z.ZodNumber;
    unit: z.ZodEnum<{
        s: "s";
        ms: "ms";
    }>;
}, z.core.$strict>;