/**
 * Cross-event recommendations — the buyer's read.
 *
 * The rail on an event page and the block on the checkout-success page both
 * come from here. The answer is already materialized and cached server-side, so
 * this is one indexed read; nothing on a buyer's path ever waits on a model.
 *
 * EVERY failure returns an empty list. A cross-sell rail is decoration on
 * somebody's event page — if it cannot load, the page renders without it and
 * nobody sees an error.
 */
/** Why a show is being recommended. Rendered to the buyer as the badge. */
export type RecommendationRule = 'performer' | 'genre' | 'weekday' | 'similar' | 'pin';
/** The surfaces a buyer can see. `email` is rendered server-side at send time. */
export type RecommendationSurface = 'event_page' | 'success';
export interface RecommendationCard {
    eventId: number;
    slot: number;
    rule: RecommendationRule;
    title: string;
    startsAt: string | null;
    timeZone: string;
    venueName: string;
    image?: string;
    url?: string;
    minPrice?: number;
}
/**
 * Fetches the recommendations for one event and surface.
 *
 * @param eventId - the event being viewed or bought
 * @param surface - which placement is asking
 * @param widgetKey - the embed key, when this render is inside a widget
 */
export declare function getRecommendations(eventId: number, surface?: RecommendationSurface, widgetKey?: string): Promise<RecommendationCard[]>;