export declare const ANALYTICS_ANONYMOUS_ID_COOKIE_NAME = "an_aid";
export declare const ANALYTICS_ANONYMOUS_ID_COOKIE_MAX_AGE_SECONDS: number;
export declare const ANALYTICS_ANONYMOUS_ID_MAX_LENGTH = 128;
export declare function normalizeAnalyticsAnonymousId(value: unknown): string | undefined;
export declare function serializeAnalyticsAnonymousIdCookie(value: unknown): string | undefined;