import { type UrlUserAttributes } from '../../../runtime/url-user-attributes.js';
import type { FunnelUserAnswers } from '../../../sdk/userAnswers.js';
import type { FunnelUserAttribution } from '../../../runtime/funnel-attribution.js';
import type { AppUser, AppUserInput } from './types.js';
export declare function syncUrlUserAttributes(input: {
    user: AppUserInput;
    attributes?: FunnelUserAnswers;
    urlAttributes?: UrlUserAttributes | null;
    attribution?: FunnelUserAttribution;
}): Promise<AppUser | null>;