import type { ConsentState } from './categories.js';
/**
 * Consent persistence in a cookie. Stored with a version so we can invalidate
 * old consents when the policy changes, and a timestamp (GDPR: consent must be
 * dated). Readable both client-side (banner) and server-side (script gating).
 */
export declare const CONSENT_COOKIE = "cookie-consent";
export declare const CONSENT_VERSION = 1;
export declare const CONSENT_MAX_AGE: number;
export declare function serializeConsent(state: ConsentState): string;
export declare function parseConsent(raw: string | undefined): ConsentState | null;